[Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.1"] [White "Chilukuri, Sai Varshith"] [Black "Mascas, Anisia-Teodora"] [Result "1-0"] [ECO "A40"] [WhiteElo "1943"] [BlackElo "1213"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "79"] [EventDate "2020.05.09"] {[%evp 13,78,61,132,113,130,52,84,24,153,70,113,42,156,156,210,159,397,373,403, 372,442,393,997,971,1001,966,1061,999,1021,954,1412,1060,1075,966,968,967,1001, 1001,1425,1429,2099,2014,1809,1430,2137,2319,5670,4538,5932,5871,29985,29987, 29992,29993,29992,29992,29992,29993,29995,29996,29997,29998,29998,29998,29998, 29999,29999]} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nf3 Nf6 5. Nc3 O-O 6. Be2 c5 7. O-O b6 {[%eval 132,22]} (7... cxd4 $14 {[%eval 61,23]} 8. Nxd4 Nc6) 8. d5 $16 { E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6... Bg4.} e6 9. dxe6 {[%eval 52,22]} (9. Bf4 $16 {[%eval 130,20]}) 9... Bxe6 10. Bf4 {[%eval 24,22]} ({White should try} 10. Bg5 $16 {[%eval 84,20]}) 10... Ne8 $146 {[%eval 153,19]} (10... Nc6 $11 {[%eval 24,22] keeps the balance.}) ({ Predecessor:} 10... Nc6 11. Bxd6 Re8 12. Bg3 Nd4 13. e5 Nh5 14. Nb5 Nxg3 15. hxg3 Nxe2+ 16. Qxe2 Qe7 {0-1 (71) Guo,Q (2396)-Wang,D (2191) Shenzhen 2017}) 11. Qc2 {[%eval 70,23]} (11. Qd2 $16 {[%eval 153,19]}) 11... Nc6 $14 12. Rad1 { [%eval 42,22]} (12. h3 $16 {[%eval 113,19]}) 12... Nd4 {[%eval 156,18]} ({ Black should play} 12... Bg4 $14 {[%eval 42,22]}) 13. Nxd4 $16 Bxd4 {[%eval 210,21]} (13... cxd4 $16 {[%eval 156,24]} 14. Nb5 Qf6) 14. Nb5 $36 {[%mdl 2048] White has strong initiative.} a6 $2 {[%eval 397,21]} (14... Bh8 $16 {[%eval 159,25] was called for.} 15. e5 (15. Nxd6 Qf6 $16) 15... Bf5) 15. Nxd4 $18 cxd4 16. Rxd4 Qf6 17. Qd2 Rd8 $2 {[%eval 997,19]} (17... b5 {[%eval 393,23]} 18. cxb5 axb5) 18. Bg5 {[%mdl 64] Skewer} Qe5 19. Bxd8 Nf6 20. Bxf6 Qxf6 21. Rxd6 Rb8 22. Rd1 Kg7 23. Qd4 Qxd4 24. R1xd4 b5 25. c5 Bxa2 26. Rd8 Rxd8 27. Rxd8 Be6 28. c6 Kf6 29. b4 Ke7 30. c7 f5 31. e5 Bd7 32. Bf3 {White mates.} Ke6 {[#]} 33. Bd5+ $1 Ke7 (33... Kxd5 34. c8=Q) 34. f4 h6 {[#]} 35. e6 $1 {[%mdl 64] Decoy, Promotion} Bxe6 36. Bxe6 Kxe6 37. c8=Q+ {[%mdl 64] Double Attack} Kf6 38. Qd7 { [%CAl Rd8f8]} g5 39. Rf8+ Kg6 40. Qf7# {Accuracy: White = 52%, Black = 21%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.2"] [White "Moroita, Vlad"] [Black "Dumitrescu, Daniel"] [Result "0-1"] [ECO "D11"] [WhiteElo "1194"] [BlackElo "1926"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "60"] [EventDate "2020.05.09"] {[%evp 9,60,45,105,58,107,23,82,25,111,45,68,53,113,113,183,156,216,141,192, 160,218,171,250,107,197,124,149,9,36,0,39,30,22,27,58,11,29,24,35,-6947,-6952, -29988,-29989,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29993,-29993, -29994]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Bf4 a6 5. e3 g6 {[%eval 105,20]} (5... Bg4 $14 {[%eval 45,22]}) 6. Nc3 {[%eval 58,21] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} (6. cxd5 $16 {[%eval 105,20]} cxd5 7. Bd3) 6... Bg7 $14 7. Bd3 {[%eval 23,21]} (7. h3 $16 {[%eval 107,18]}) 7... O-O { [%eval 82,19]} (7... dxc4 $11 {[%eval 23,21] keeps the balance.} 8. Bxc4 O-O) 8. O-O {[%eval 25,23]} ({Better is} 8. cxd5 $16 {[%eval 82,19]} Nxd5 9. Nxd5 Qxd5 10. O-O) 8... Bg4 {[%eval 111,21]} (8... dxc4 $11 {[%eval 25,23] remains equal.} 9. Bxc4 Nbd7) 9. h3 {[%eval 45,20]} ({White should play} 9. Rc1 $16 { [%eval 111,21]}) 9... Bxf3 10. Qxf3 Nbd7 {[%eval 113,19]} (10... e6 $14 { [%eval 53,20]}) 11. cxd5 $16 c5 {[%eval 183,20]} (11... cxd5 $16 {[%eval 113, 27]} 12. Nxd5 Nxd5) 12. dxc5 Nxc5 13. Rad1 $146 ({Predecessor:} 13. Rfd1 Nxd3 14. Rxd3 b5 15. Rad1 Ne8 16. Qg3 Nd6 17. Be5 Bxe5 18. Qxe5 Ra7 19. b3 {1-0 (39) Walker,G-Chapman,G London 2004}) 13... Qb6 {[%eval 192,20] [#]} (13... Nfd7 $16 {[%eval 141,22]}) 14. Qe2 $1 $18 Rfd8 {[%eval 218,22]} (14... Nfd7 $16 { [%eval 160,24] was necessary.} 15. Bb1 Rac8) 15. e4 Rac8 {[%eval 250,21]} ( 15... Nxd3 $142 {[%eval 171,22]} 16. Rxd3 Qb4) 16. Rd2 {[%eval 107,23]} (16. Bb1 $18 {[%eval 250,21] has better winning chances.}) 16... e6 {[%eval 197,18]} (16... Nh5 $16 {[%eval 107,23] might work better.} 17. Bg5 Bf6 18. Bxf6 Nf4) 17. dxe6 {[%eval 124,22]} (17. Bc4 $18 {[%eval 197,18]}) 17... Qxe6 $16 18. f3 {[%eval 9,28]} (18. Bc2 $16 {[%eval 149,22]}) 18... Nh5 $11 19. Bh2 $1 Nxd3 20. Rxd3 Rxd3 21. Qxd3 Qb6+ 22. Kh1 $1 Qxb2 23. Nd5 {Black must now prevent Ne7+.} Bf8 24. Rb1 $2 {[%eval -6947,20][%mdl 8192]} (24. Nc7 $14 {[%eval 35,26]}) 24... Rc1+ $19 25. Rxc1 Qxc1+ {Black mates.} 26. Bg1 Bc5 {[%csl Gc5][%CAl Rc1g1]} 27. Ne3 Bxe3 28. Qxe3 Ng3+ 29. Kh2 Nf1+ {[%mdl 64] [#] Double Attack} 30. Kh1 Nxe3 {Accuracy: White = 33%, Black = 55%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.3"] [White "Toktomushev, Teimur"] [Black "Gatej, Maria"] [Result "1-0"] [ECO "A60"] [WhiteElo "1828"] [BlackElo "1172"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "147"] [EventDate "2020.05.09"] {[%evp 22,147,75,30,76,46,69,-38,66,44,125,86,124,-46,124,-47,114,117,118,-52, -37,-65,-48,-57,9,0,61,51,75,36,102,-155,-52,-157,-134,-144,-111,-166,-116, -123,-106,-85,-83,-191,-16,-196,0,-9,0,0,0,0,101,32,509,400,552,288,392,391, 465,455,509,453,669,659,659,595,29988,533,533,196,173,176,204,180,195,165,170, 0,0,0,0,0,0,-9,0,-9,-9,-9,0,-9,0,0,9,9,9,9,9,9,0,0,0,0,9,9,9,9,29968,29964, 29980,29981,29981,29982,29982,29983,29987,29988,29988,29989,29989,29990,29990, 29991,29991,29992,29992,29993]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. g3 g6 7. Bg2 Bg7 8. Nf3 Bg4 9. O-O O-O 10. h3 Bxf3 11. Bxf3 a6 12. a4 b6 {[%eval 76,18] A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} (12... Nbd7 $11 {[%eval 30,22]}) 13. e4 Nbd7 14. Bg2 {[%eval -38,21]} (14. Bf4 $14 {[%eval 69,19]}) 14... Rb8 {[%eval 66,20]} (14... c4 $15 {[%eval -38,21]}) 15. Qe2 Ra8 $146 {[%eval 125,21]} (15... Qc8 $14 {[%eval 44,23]}) ({ Predecessor:} 15... Qc7 16. Qxa6 c4 17. Be3 Ne5 18. Nb5 Qe7 19. Nd4 Rfc8 20. Qb5 Rc5 21. Qb4 Nd3 {1-0 (36) Sharevich,A (2257)-Meza,A (2058) Bled 2002}) 16. f4 Re8 17. Qd3 $2 {[%eval -46,23]} ({White should play} 17. Ra3 $16 {[%eval 124,20]}) 17... Qc7 $2 {[%eval 124,23]} (17... c4 $1 $15 {[%eval -46,23] keeps the upper hand.} 18. Qxc4 Rc8) 18. Bd2 $2 {[%eval -47,23]} (18. Qc4 $1 $16 { [%eval 124,23]}) 18... Qb7 $2 {[%eval 114,19]} (18... c4 $15 {[%eval -47,23] stays ahead.} 19. Qc2 Nc5) 19. Rfe1 $16 Rab8 20. Re2 $2 {[%eval -52,21]} (20. Bf1 $16 {[%eval 118,22]}) 20... b5 $1 $15 21. axb5 axb5 22. Rae1 b4 {[%eval 9, 22]} ({Better is} 22... c4 $1 $15 {[%eval -57,24]} 23. Qf3 b4) 23. Nd1 $11 Nb6 {[%eval 61,21]} (23... Qc7 $11 {[%eval 0,24]}) 24. e5 $14 dxe5 25. fxe5 ({ Don't play} 25. Rxe5 Qd7 $15) 25... Nfxd5 {[%eval 102,22]} (25... c4 $14 { [%eval 36,24]} 26. Qf3 (26. exf6 cxd3 27. Rxe8+ Bf8 $17) 26... Nfxd5) 26. e6 $2 {[%eval -155,21][%mdl 8192]} (26. Ne3 $16 {[%eval 102,22]}) 26... fxe6 { [%eval -52,23]} (26... Rxe6 $1 $17 {[%eval -155,21] Hoping for ...c4.} 27. Rxe6 fxe6 28. Rxe6 Qd7) 27. Rxe6 {[%eval -157,24]} (27. Ne3 $1 $15 {[%eval -52,23]}) 27... Rxe6 $17 28. Rxe6 Qd7 29. Re1 Nf6 {[%eval -116,25]} (29... Bd4+ $19 { [%eval -166,22]} 30. Kh2 Nf6 31. Qb3+ Kg7) 30. Qb3+ Qf7 31. Qc2 Qc4 32. Qb1 { [%eval -191,20]} (32. Qxc4+ $17 {[%eval -83,23]} Nxc4 33. Bc1) 32... Nfd5 $2 { [%eval -16,24]} (32... Nh5 $19 {[%eval -191,20]} 33. g4 Nf4) 33. Ne3 $2 { [%eval -196,21]} (33. Kh2 $11 {[%eval -16,24] and White is okay.}) 33... Nxe3 $2 {[%eval -9,24]} (33... Qd4 $19 {[%eval -196,21]} 34. Bc1 Bh6) 34. Bxe3 $11 Bd4 35. Kh2 Bxe3 36. Rxe3 Qd4 {[%eval 101,26]} (36... Rf8 $11 {[%eval 0,31] remains equal.}) 37. Re7 {[%eval 32,27]} ({White should try} 37. Qa2+ $16 { [%eval 101,26]} c4 38. Re7) 37... Na4 $2 {[%eval 509,26][%mdl 8192]} (37... Rf8 $1 $14 {[%eval 32,27]}) 38. Qe1 {Intending Qe6+ and mate.} Qd6 39. Re8+ Rxe8 40. Qxe8+ {[%mdl 64] Double Attack} Qf8 41. Qxa4 Qf2 42. b3 Qc2 {[%eval 669,24] } (42... Qf7 $142 {[%eval 453,30]} 43. Qc6 Qe7 44. Qa8+ Kg7 45. Qa1+ Qf6 46. Qa7+ {[%mdl 64] Double Attack} Qf7 47. Qxc5 Qxb3 48. Qe5+ Kf8 49. Qc5+ Kg7 50. Qd4+ Kf8 51. Qd8+ Kg7 52. Qe7+ Kg8) 43. Qe8+ $18 Kg7 44. Qe7+ Kh6 45. Qh4+ { [%eval 533,24]} (45. Qf8+ $142 {[%eval 32744,37]} Kh5 46. Qf4 g5 47. Qf6 Qg6 48. Qe7 Qg8 49. g4+ Kh6 50. Be4) 45... Kg7 46. Qc4 $2 {[%eval 196,26]} (46. Qe7+ {[%eval 533,24]} Kg8 47. Qe8+ Kg7 48. Qe5+ Kg8 49. g4) 46... Qxc4 47. bxc4 {[%mdl 4096] Endgame KB-KP} Kf6 {And now ...Ke5 would win.} 48. Kg1 {Strongly threatening Kf2.} Ke5 49. Kf2 Kd4 {[#] White must now prevent ...b3.} 50. Ke2 $2 {[%eval 0,32]} (50. Bd5 $1 $18 {[%eval 170,31]}) 50... Kxc4 $11 51. Kd2 Kd4 52. Bf1 c4 53. h4 b3 54. Be2 c3+ 55. Kd1 Kc5 56. Bd3 Kb4 57. h5 gxh5 58. Bxh7 { KB-K3P} Ka3 {Threatens to win with ...Kb2.} 59. Kc1 Ka2 $132 {[%mdl 2048] ( -> ...b2+). Black has counterplay} 60. Bg8 Ka3 61. Bf7 Ka2 62. Bg8 c2 63. Bf7 Ka3 64. Bg6 (64. Bxh5 $2 b2+ 65. Kxc2 Ka2 $19) 64... Ka2 $2 {[%eval 32704,25][%mdl 8192] [#]} (64... Kb4 $11 {[%eval 9,26]} 65. Kb2 Kc5) 65. Bxc2 $1 {KB-KPP. White mates.} ({Not} 65. Bf7 Ka3 $11) 65... Ka3 66. Bg6 Ka2 67. Bf7 Ka3 68. Bxh5 {KB-KP} b2+ 69. Kb1 Kb3 70. g4 Kc3 71. g5 Kd4 72. g6 Ke5 73. g7 Kf6 74. g8=Q {Accuracy: White = 60%, Black = 50%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.4"] [White "Olinici, Ana-Theodosia"] [Black "Cojocaru, Filip"] [Result "0-1"] [ECO "C00"] [WhiteElo "1142"] [BlackElo "1812"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "64"] [EventDate "2020.05.09"] {[%evp 10,63,17,-38,22,-35,-3,-37,28,-37,-10,-50,-36,-90,-6,-105,137,-67,-31, -118,-64,-82,-8,-105,-92,-170,-109,-211,-141,-367,-366,-647,-604,-836,-811, -940,-928,-929,-911,-926,-772,-896,-898,-862,-884,-878,-884,-1231,-1225,-1206, -1196,-29997,-29998,-29998,-29999,-29999]} 1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Bf3 c5 6. Ne2 {[%eval -38,22]} (6. Be3 $11 {[%eval 17,22]}) 6... Nc6 {[%eval 22,22] C01: French: Exchange Variation.} (6... Be7 $15 {[%eval -38, 22]}) 7. Be3 {[%eval -35,22]} ({White should play} 7. c3 $11 {[%eval 22,22]}) 7... cxd4 $15 8. Nxd4 Ne5 {Black is slightly better.} 9. Be2 {[%eval -37,17]} ( 9. Nc3 $11 {[%eval 28,19]}) 9... Be7 (9... Nd5 {is more complex.} 10. Bc1 Bb4+ 11. c3 Bc5 12. O-O Ng6) 10. O-O O-O 11. Nc3 {[%eval -90,20]} (11. c4 $15 { [%eval -36,22]}) 11... a6 {[%eval -6,23]} (11... Qc7 $17 {[%eval -90,20]}) 12. a4 {[%eval -105,22]} (12. Nf3 $11 {[%eval -6,23]} Nxf3+ 13. Bxf3) 12... b6 $146 {[%eval 137,18]} (12... Qc7 $17 {[%eval -105,22] and life is bright.}) ({ Predecessor:} 12... Bd7 13. f4 Nc6 14. Nb3 Nb4 15. Bf3 Qc7 16. a5 Rac8 17. Bb6 Qb8 18. Qe2 Bd6 {1/2-1/2 (35) Varela la Madrid,T (2049)-Vidal Zamora,A (2430) Barcelona 2019}) 13. Qd2 $2 {[%eval -67,20]} (13. f4 $16 {[%eval 137,18]} Ng6 14. Bf3) 13... Bb7 14. Rad1 {[%eval -118,19]} (14. Nb3 $15 {[%eval -31,23]}) 14... Rc8 {[%eval -64,21]} (14... Qc8 $17 {[%eval -118,19]} 15. Nb3 Rd8) 15. Rfe1 Nc4 {[%eval -8,22]} (15... Bb4 $17 {[%eval -82,20]} 16. Bg5 Ned7) 16. Bxc4 {[%eval -105,18]} (16. Qc1 $1 $11 {[%eval -8,22] keeps the balance.} Nxe3 17. Qxe3) 16... Rxc4 $17 17. b3 {[%eval -170,20]} (17. Qe2 $17 {[%eval -92,21] was called for.} Qc7 18. Nf3) 17... Rc8 $36 {[%eval -109,22][%mdl 2048] White is under strong pressure.} ({Black should try} 17... Rc7 $19 {[%eval -170,20] aiming for ...Bb4.} 18. Nde2 Rd7) 18. Nde2 {[%eval -211,22]} (18. Na2 $17 { [%eval -109,22]}) 18... Qc7 $19 {[#] Threatens to win with ...Rfd8.} 19. Qc1 $2 {[%eval -367,21]} (19. Qd4 $17 {[%eval -141,22]}) 19... Bb4 {Strongly threatening ...Ng4.} 20. Bd2 $2 {[%eval -647,22]} (20. Rd3 {[%eval -366,25]} Ng4 21. Bf4) 20... Ng4 21. Bf4 Qc6 {[%csl Gb7][%CAl Rc6g2]} 22. f3 Qc5+ 23. Nd4 Bxc3 24. fxg4 Bxd4+ 25. Kh1 e5 26. Be3 Qxc2 27. Qxc2 Rxc2 28. Bd2 f5 29. gxf5 Rxf5 {( -> ...Rf2)} 30. Be3 Rxg2 {[%CAl Rg2g6] Black mates.} 31. h4 Re2+ { [%mdl 64] [#] Discovered Attack} 32. Kg1 Bxe3# {Accuracy: White = 16%, Black = 66%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.5"] [White "Basilio, Rodrigo"] [Black "Ciobanu, Alexia-Maria"] [Result "1-0"] [ECO "C04"] [WhiteElo "1776"] [BlackElo "1118"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "107"] [EventDate "2020.05.09"] {[%evp 9,106,99,167,120,272,165,213,175,234,136,190,125,180,93,150,93,137,70, 131,107,154,114,165,106,151,103,157,107,146,112,182,172,205,122,273,269,345, 337,347,277,316,274,503,499,818,800,824,807,1997,1985,1978,1975,909,908,897, 894,885,886,950,950,950,940,6805,6784,6329,6329,6786,6797,29959,5799,29981, 29982,29984,29985,29989,29987,29987,29988,29988,29989,29989,29990,29990,29991, 29991,29991,29991,29992,29991,29992,29992,29993,29994,29995,29995,29996,29997, 29998,29999]} 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Bd7 5. c3 Be7 {[%eval 167, 19]} (5... f5 $16 {[%eval 99,22]}) 6. Bd3 {[%eval 120,23] C04: French Tarrasch: 3...Nc6.} ({White should play} 6. b4 $18 {[%eval 167,19]}) 6... Bg5 $146 { [%eval 272,18]} (6... f5 $16 {[%eval 120,23]}) ({Predecessor:} 6... dxe4 7. Nxe4 f5 8. Ng3 Nf6 9. O-O h6 10. Re1 g5 11. Bc4 f4 12. Ne4 Nxe4 13. Rxe4 { 1-0 (30) Goncalves Costa,D-De Oliveira,M (1708) Natal 2015}) 7. e5 Bxd2+ { [%eval 213,19]} (7... f5 $142 {[%eval 165,23]} 8. Nxg5 Qxg5) 8. Bxd2 {White is clearly better.} ({But not} 8. Kxd2 $6 f6 $16) ({Don't do} 8. Qxd2 $6 Nge7 $16) 8... Nge7 {[%eval 234,19]} (8... f5 {[%eval 175,23] was necessary.} 9. Ng5 Qe7) 9. Nh4 {[%eval 136,24]} (9. O-O $18 {[%eval 234,19]}) 9... Ng6 $16 10. Nxg6 { [%eval 125,21]} (10. Nf3 $18 {[%eval 190,17]}) 10... hxg6 11. g3 {[%eval 93,22] } ({White should try} 11. b4 $18 {[%eval 180,19]}) 11... Qe7 12. Qg4 {[%eval 93,22]} ({Better is} 12. O-O {[%eval 150,18]}) 12... O-O-O 13. O-O-O {[%eval 70,23]} (13. h4 $16 {[%eval 137,20]}) 13... Rh5 {[%eval 131,21]} (13... Rdg8 $14 {[%eval 70,23]}) 14. h4 Rdh8 {[%eval 154,21]} (14... Rhh8 $142 {[%eval 107, 25]}) 15. Bg5 Qe8 {[%eval 165,21]} (15... Qf8 $16 {[%eval 114,24]} 16. Qf4 Rg8) 16. Qf4 {[%eval 106,24]} (16. Qe2 $18 {[%eval 165,21]}) 16... Rf8 17. g4 { [%eval 103,23]} (17. Rde1 $142 {[%eval 151,20]}) 17... Rhh8 18. h5 {[%eval 107, 26]} (18. b3 $142 {[%eval 157,20]}) 18... gxh5 19. gxh5 f6 {[%eval 182,19]} ( 19... Ne7 $16 {[%eval 112,26] keeps fighting.}) 20. exf6 $18 gxf6 {[#] Hoping for ...e5.} 21. Bh6 $36 {[%mdl 2048] Black is under strong pressure.} ({Not} 21. Bxf6 Qf7 $17) 21... Rfg8 $2 {[%eval 273,17]} (21... e5 $16 {[%eval 122,22]} 22. Qd2 Rfg8) 22. Qxf6 Qe7 23. Qxe7 Nxe7 24. Be3 Nf5 25. h6 Nxe3 $2 {[%eval 503,20]} (25... Be8 {[%eval 274,26]} 26. Bf4 Bg6) 26. fxe3 Rg3 {[%eval 818,22]} (26... e5 $142 {[%eval 499,26]} 27. h7 Re8) 27. h7 Kd8 28. Rdg1 Rf3 29. Rg8+ { [%mdl 64] [#] Double Attack} Rf8 30. Rxf8+ Rxf8 31. h8=Q Rxh8 32. Rxh8+ { [%mdl 4096] Endgame} Ke7 33. Rh7+ Kd6 34. e4 dxe4 35. Bxe4 Bc6 36. Bxc6 Kxc6 { KR-KP} 37. Kd2 Kd6 38. Ke3 Kc6 39. Ke4 Kd6 40. c4 {White mates.} b6 41. b4 c5 42. bxc5+ bxc5 43. Rxa7 cxd4 44. Kxd4 e5+ 45. Ke4 Kc5 46. Kxe5 Kxc4 {KR-K} 47. Rb7 Kc5 48. a4 Kc6 49. Rb1 Kc5 50. a5 Kc6 51. a6 Kc5 52. a7 Kc6 53. a8=Q+ Kc5 54. Qc8# {Accuracy: White = 36%, Black = 38%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.6"] [White "Bhandari, Arjun Neel"] [Black "Arsh, Shah"] [Result "0-1"] [ECO "C50"] [WhiteElo "1111"] [BlackElo "1751"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "90"] [EventDate "2020.05.09"] {[%evp 15,90,0,26,-171,-153,-142,-125,-204,-119,-163,-66,-284,-144,-198,-194, -271,-242,-615,-353,-360,-337,-412,-282,-328,-288,-301,-148,-243,-242,-245, -239,-251,-250,-288,-232,-247,-216,-276,-114,-121,-121,-123,-106,-115,-114, -144,-147,-618,-569,-494,-480,-647,-536,-534,-530,-527,-527,-527,-498,-449, -448,-698,-744,-1324,-1347,-1324,-554,-1632,-1629,-29977,-29978,-29977,-29979, -29981,-29982,-29983,-29984]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. O-O d6 6. d3 Bg4 7. h3 Bh5 8. Bg5 h6 9. Bh4 $2 {[%eval -171,20] [#] C50: Hungarian Defence and Giuoco Pianissimo.} (9. Bxf6 $11 {[%eval 26,24] and White is okay.} Qxf6 10. Nd5) 9... g5 $1 $19 {[%CAl Rg5h4]} 10. Bg3 {[#]} Nd4 $1 11. Kh2 $146 { [%eval -204,19]} (11. Na4 $17 {[%eval -125,23]}) ({Predecessor:} 11. Nb5 Nxf3+ 12. gxf3 Qd7 13. Kh2 d5 14. exd5 Nxd5 15. Bxe5 f6 16. Bg3 Qf5 17. Bxd5 Qxd5 18. Nxc7+ {1-0 (18) Henzelmann,M (843)-Scheerer,A (1050) Heusenstamm 2019}) 11... Bxf3 {[%eval -119,22]} (11... a6 $19 {[%eval -204,19]} 12. a4 c6) 12. gxf3 $17 Nh5 {[%eval -66,23]} (12... Qd7 $19 {[%eval -163,21]} 13. a3 Bb6) 13. Kg2 $2 { [%eval -284,21]} (13. b4 $15 {[%eval -66,23]} Bxb4 14. Nd5) 13... Rf8 {[%eval -144,23]} (13... Nf4+ $19 {[%eval -284,21]} 14. Kh2 c6) 14. Ne2 {[%eval -198, 18]} (14. Nb5 $17 {[%eval -144,23] was worth a try.}) 14... Nf4+ $19 15. Nxf4 { [%eval -271,20]} (15. Bxf4 $142 {[%eval -194,25]} gxf4 16. Nxd4 Bxd4 17. Kh2) 15... gxf4 16. Bh2 $2 {[%eval -615,21]} (16. c3 {[%eval -242,21]} Nc6 17. d4) 16... Rg8+ 17. Kh1 Qh4 ({Don't go for} 17... Qg5 $2 18. Rg1 $18) 18. Rg1 O-O-O 19. Bxf7 Rxg1+ 20. Qxg1 Nxf3 {[%eval -148,28]} (20... Kb8 $19 {[%eval -301,21]} 21. Qg2 Nxc2) 21. Be6+ {[%eval -243,23]} (21. Qg2 $17 {[%eval -148,28] is a better defense.} Nxh2 22. Kxh2) 21... Kb8 22. Qg2 Nxh2 ({Don't do} 22... Qxf2 23. Qxf2 Bxf2 24. Kg2 $17) 23. Kxh2 Bxf2 24. Rf1 Bg3+ 25. Kh1 Rf8 26. Qf3 Rf6 { [%eval -114,25]} (26... h5 $19 {[%eval -276,21] has better winning chances.} 27. c3 c6) 27. Qg4 $17 Qxg4 28. Bxg4 {[%mdl 4096] Endgame KRB-KRB} c6 29. Kg2 Rg6 30. Kf3 Bh4 31. Rg1 $2 {[%eval -618,21][%mdl 8192] [#]} (31. Ke2 $17 { [%eval -147,27]}) 31... h5 $1 $19 {[%CAl Rh5g4][%mdl 512]} 32. Rg2 (32. Bxh5 Rxg1) 32... hxg4+ 33. Rxg4 Rxg4 34. Kxg4 {KB-KP} Bg3 35. h4 {[#]} Bxh4 $1 36. Kxh4 {KP-KP} Kc7 37. Kg4 Kd7 38. Kh4 {[%eval -698,23]} (38. Kf3 $142 {[%eval -448,27]} Ke6 39. Kg4) 38... d5 39. Kg4 dxe4 40. dxe4 Kd6 41. b4 c5 42. c3 cxb4 {Black mates.} 43. cxb4 Kc6 44. a4 {[#]} a5 $1 {[%mdl 576] Deflection} 45. bxa5 Kc5 {Accuracy: White = 29%, Black = 59%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.7"] [White "Pal, Rohan"] [Black "Seremet, Gabriel"] [Result "1-0"] [ECO "B54"] [WhiteElo "1712"] [BlackElo "1108"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "49"] [EventDate "2020.05.09"] {[%evp 17,48,56,137,62,117,107,203,175,284,200,214,151,189,180,217,101,347,290, 399,350,410,221,306,234,300,275,285,238,440,58,685,671,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Be3 e6 7. f3 Be7 8. Qd2 Bd7 9. O-O-O Nc6 {[%eval 137,18]} ({Black should try} 9... h5 $1 $14 {[%eval 56,20]}) 10. Kb1 { [%eval 62,20] B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} (10. g4 $16 {[%eval 137,18]}) 10... O-O {[%eval 117,19]} (10... h5 $14 {[%eval 62,20]}) 11. g4 h6 {[%eval 203,17]} (11... b5 $16 {[%eval 107,23]}) 12. h4 $18 {White is clearly better.} Nh7 {[%eval 284,17]} (12... Nxd4 $142 { [%eval 175,22]} 13. Qxd4 (13. Bxd4 b5 $16) 13... Bc6) 13. Qh2 $146 ({ Predecessor:} 13. Be2 Bxh4 14. Bxh6 Nxd4 15. Bxg7 Kxg7 16. Qxd4+ Kg8 17. Qxd6 Bc6 18. Qh2 Qe7 19. Qxh4 Qxh4 20. Rxh4 {1-0 (42) Manotas,S (1935)-Rada,D Barranquilla 1999}) 13... b5 14. Nxc6 Bxc6 15. g5 h5 16. Bf4 {[%eval 101,22]} ( 16. e5 $18 {[%eval 217,18]}) 16... d5 $2 {[%eval 347,21]} (16... Re8 $16 { [%eval 101,22] might work better.}) 17. Bh3 g6 18. Be5 b4 19. Ne2 {[%eval 221, 23]} (19. exd5 $142 {[%eval 410,21]} exd5 20. Bc7) 19... Qb6 20. Bd4 Bc5 21. Qe5 {[%csl Gd4][%CAl Re5h8]} Bxd4 22. Nxd4 $40 {[%mdl 128] White is out for blood.} ({And not} 22. Rxd4 Rfe8 $11) 22... dxe4 $2 {[%eval 440,19] [#]} (22... Be8 {[%eval 238,23] was necessary.} 23. exd5 exd5) 23. fxe4 $2 {[%eval 58,21]} ({Better is} 23. Nxe6 $1 $18 {[%eval 440,19][%mdl 512]} fxe6 24. Bxe6+ Rf7 25. Bxf7+ Kxf7 26. fxe4) 23... Qb7 $2 {[%eval 685,18][%mdl 8192] [#]} (23... Bd7 $14 {[%eval 58,21]}) 24. Nxe6 $1 {[%csl Ge6][%CAl Re5g7][%mdl 512]} Rfe8 (24... fxe6 25. Bxe6+) 25. Qg7# {Accuracy: White = 51%, Black = 17%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.8"] [White "Nicu, Iulia-Gabriela"] [Black "Jaiveer, Mahendru"] [Result "0-1"] [ECO "D35"] [WhiteElo "1102"] [BlackElo "1695"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "98"] [EventDate "2020.05.09"] {[%evp 15,97,22,78,-24,20,-40,0,-41,3,-92,-71,-168,-134,-148,-137,-250,-221, -280,-165,-268,-237,-259,-234,-275,-228,-277,-213,-384,-202,-252,-201,-386, -380,-397,-388,-394,-377,-386,-382,-470,-295,-346,-337,-359,-346,-369,-264, -268,-89,-87,-85,-450,-445,-529,-457,-485,-451,-475,-475,-477,-448,-487,-396, -394,-393,-480,-400,-456,-396,-430,-410,-518,-485,-927,-898,-762,-812,-981, -984,-29974,-29975,-29975,-29959,-29999]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Be7 5. Nf3 O-O 6. e3 b6 7. Be2 Bb7 8. O-O c5 {[%eval 78,21]} (8... dxc4 $11 { [%eval 22,23] keeps the balance.} 9. Bxc4 Nbd7) 9. a3 {[%eval -24,21] D37: Queen's Gambit Declined: 5 Bf4.} (9. dxc5 $16 {[%eval 78,21]} bxc5 10. Rc1) 9... cxd4 {[%eval 20,24]} (9... Nbd7 $142 {[%eval -24,21]}) 10. exd4 {[%eval -40,19]} (10. Nxd4 $11 {[%eval 20,24]} dxc4 11. Ndb5 (11. Bxc4 Nbd7 $11)) 10... dxc4 11. Bxc4 {The position is equal.} Nc6 $146 {[%eval 3,23]} (11... Nd5 $1 $15 {[%eval -41,22] was preferrable.} 12. Nxd5 Bxd5) ({Predecessor:} 11... Nd5 12. Bxd5 Bxd5 13. Rc1 Nc6 14. Nxd5 Qxd5 15. Qa4 b5 16. Qd1 Rfd8 17. Be3 Na5 { 0-1 (47) Nagy,C-Vojnovic,M Sombor 2008}) 12. d5 {[%eval -92,21]} (12. Re1 $11 { [%eval 3,23]}) 12... Na5 $17 13. d6 {[%eval -168,23]} (13. Ba2 $17 {[%eval -71, 29]} Nxd5 14. Nxd5 Bxd5 15. Bxd5 Qxd5 16. Qxd5 exd5 17. Rfe1) 13... Nxc4 $19 14. dxe7 Qxe7 15. b3 {[%eval -250,21]} (15. Qe2 $17 {[%eval -137,23]} Qc5 16. Rac1) 15... Rfd8 16. Qe2 Nd6 {[%eval -165,23]} (16... Nxa3 $142 {[%eval -280, 21]} 17. Be5 Ng4) 17. Bg5 {[%eval -268,26]} (17. Rfd1 {[%eval -165,23] might work better.}) 17... h6 18. Bh4 Nf5 19. Bxf6 Qxf6 ({Don't play} 19... gxf6 20. Ne4 $17) 20. Ne4 Qe7 21. Rfd1 $2 {[%eval -384,20]} (21. Rfc1 {[%eval -213,24]}) 21... Rac8 {[%eval -202,24]} (21... Rxd1+ $142 {[%eval -384,20]} 22. Rxd1 Qxa3) 22. b4 Qc7 23. a4 $2 {[%eval -386,22]} (23. Ng3 {[%eval -201,26] was worth a try.}) 23... Qc6 24. Re1 Nd4 25. Nxd4 Rxd4 {[%mdl 64] Double Attack} 26. f3 Rxb4 27. a5 Rc4 28. a6 Ba8 29. Red1 Rc2 30. Qe3 f5 31. Nd6 {[#]} Qc5 $2 { [%eval -89,25]} (31... Rf8 $1 $19 {[%eval -268,25] is more deadly.} 32. Ra2 Qc5 33. Qxc5 Rxc5) 32. Qxc5 $17 R8xc5 33. Re1 $2 {[%eval -450,20][%mdl 8192]} (33. Nb7 $17 {[%eval -85,26] nothing else works.} Rc8 34. Nd6) 33... Bd5 $19 34. Nb7 Rc7 35. Nd6 R2c5 36. Reb1 Rd7 37. Nb5 Bc4 38. Nc3 {[#]} Bxa6 $1 {[%mdl 512]} 39. Rxa6 Rxc3 {[%mdl 4096] Endgame KRR-KRR} 40. Rba1 Rcc7 41. Kf2 Kf7 42. Ke3 Kf6 43. Kf4 e5+ 44. Ke3 {[%eval -927,23]} (44. Kg3 $142 {[%eval -485,22]}) 44... f4+ 45. Ke2 Rc2+ 46. Kf1 Rdd2 47. Rxa7 Rf2+ {Black mates.} 48. Ke1 Rxg2 { [%CAl Rg2g1]} 49. R7a6 Rg1# {Accuracy: White = 31%, Black = 61%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.9"] [White "Medhansh, Saxena"] [Black "Popescu-Vava, Luca-Delian"] [Result "1-0"] [ECO "C55"] [WhiteElo "1657"] [BlackElo "1067"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "131"] [EventDate "2020.05.09"] {[%evp 10,130,92,18,90,20,100,10,64,-18,69,6,123,55,99,60,101,30,75,35,91,30, 41,46,92,0,0,0,15,0,54,0,24,18,56,0,79,51,55,31,46,14,72,66,74,50,193,157,144, 90,255,250,343,206,326,322,310,308,376,377,376,336,391,373,1600,1507,1885,1433, 15259,7243,7387,7490,7696,7696,7722,7592,29981,29982,29986,29987,29987,29988, 29988,29988,29987,29988,29990,29991,29991,29992,29992,29993,29993,29993,29993, 29994,29994,29994,29994,29995,29995,29994,29994,29995,29995,29994,29994,29995, 29995,29995,29996,29996,29996,29996,29996,29997,29997,29997,29997,29998,29998, 29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. d4 exd4 5. Nxd4 Nf6 6. Nc3 { [%eval 18,21]} (6. Nxc6 $16 {[%eval 92,20]} bxc6 7. e5) 6... d6 {[%eval 90,20] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} (6... Bb4 $11 { [%eval 18,21] keeps the balance.}) 7. O-O {[%eval 20,21]} (7. Nxc6 $16 { [%eval 90,20]} bxc6 8. O-O) 7... Be7 $11 8. f3 {[%eval 10,20]} (8. Nde2 $16 { [%eval 100,18]}) 8... O-O {The position is equal.} 9. Be3 {[%eval -18,23]} (9. a4 $14 {[%eval 64,20]}) 9... Nxd4 {[%eval 69,19]} (9... Ne5 $11 {[%eval -18,23] } 10. Be2 c5) 10. Qxd4 {[%eval 6,21]} (10. Bxd4 $14 {[%eval 69,19]} c6 11. Qe1) 10... c5 $146 {[%eval 123,19]} (10... c6 $11 {[%eval 6,21]}) ({Predecessor:} 10... a6 11. Rad1 Nh7 12. Nd5 b5 13. Be2 c5 14. Nxe7+ Qxe7 15. Qxd6 c4 16. Qxe7 {1-0 (16) Vicol,D (2218)-Ruiz,A Dos Hermanas 2004}) 11. Qd2 {[%eval 55,24]} ( 11. Qd3 $16 {[%eval 123,19]}) 11... a6 {[%eval 99,21]} (11... Qc7 $14 {[%eval 55,24] was preferrable.}) 12. a4 $16 Be6 13. Nd5 {[%eval 30,25]} (13. b3 $16 { [%eval 101,19]}) 13... Bxd5 {[%eval 75,22]} (13... Nxd5 $11 {[%eval 30,25]} 14. Bxd5 Bxd5 15. Qxd5 Qb6) 14. Bxd5 Qc7 {[%eval 91,20]} (14... Nxd5 $14 {[%eval 35,21]} 15. Qxd5 Qb6) 15. Bf4 {[%eval 30,25]} (15. Bc4 $16 {[%eval 91,20]}) 15... Nxd5 $11 16. Qxd5 Qc6 {[%eval 92,21]} (16... Rad8 $14 {[%eval 46,23]}) 17. Qh5 {[%eval 15,21]} ({White should play} 17. Rfd1 $16 {[%eval 92,21]}) 17... Bf6 18. c3 Rfe8 19. Rfd1 Rad8 {[%eval 54,18]} ({Better is} 19... Be5 $11 {[%eval 0,24]} 20. Qg4 Qb6) 20. Rd5 {[%eval 0,26]} (20. Qd5 $14 {[%eval 54,18]} ) 20... Qb6 21. Rd2 c4+ 22. Kh1 {[%eval 0,25]} (22. Kf1 $14 {[%eval 56,24]}) 22... Qc5 {[%eval 79,22]} (22... d5 $11 {[%eval 0,25]} 23. exd5 Qa5) 23. Qxc5 ( 23. Rd5 {looks sharper.} Qb6 24. Rd2 Qc5 25. Qd5 b5 26. Rdd1) 23... dxc5 24. Rad1 Rxd2 25. Rxd2 Rd8 {[%eval 72,26]} (25... b5 $11 {[%eval 14,25] remains equal.}) 26. Rxd8+ Bxd8 $16 {[%mdl 4096] Endgame KB-KB} 27. Bd6 Bb6 {[%eval 193,26]} (27... h5 $14 {[%eval 50,33]}) 28. Kg1 g6 29. Kf2 {[%eval 90,29]} ({ White should try} 29. g4 {[%eval 144,24]}) 29... Kg7 $2 {[%eval 255,22] [#]} ( 29... f6 $16 {[%eval 90,29] was necessary.}) 30. e5 $1 $18 f6 31. Ke3 fxe5 { [%eval 326,25]} (31... Kf7 $142 {[%eval 206,29]} 32. exf6 Kxf6) 32. Ke4 (32. Bxe5+ Kf7 $16) 32... Kf6 33. Kd5 (33. Bxe5+ Ke6 $16) 33... Kf5 34. Bxe5 h5 35. Bd6 g5 36. Bxc5 Bxc5 $2 {[%eval 1600,23] [#]} (36... Bc7 {[%eval 373,26]} 37. Bd6 (37. Kxc4 Bxh2 38. Kd3 g4 $16) 37... Bd8 38. Kxc4 a5) 37. Kxc5 {KP-KP} g4 38. fxg4+ Kxg4 39. Kxc4 {[%eval 7243,25]} (39. Kb6 $142 {[%eval 15259,31]} Kf5 40. Kxb7) 39... Kf4 40. Kd4 b6 41. b4 Kf5 42. c4 Ke6 43. c5 {White mates.} b5 44. axb5 axb5 45. g3 Kd7 46. h3 Ke6 47. g4 h4 48. g5 Kf5 49. c6 Ke6 50. g6 Ke7 51. g7 Kf7 52. c7 Kxg7 53. c8=Q Kf6 54. Qd8+ Kf5 55. Qxh4 Ke6 56. Qh5 Kd6 57. Qxb5 Ke6 58. h4 Kf6 59. h5 Kg7 60. Qg5+ Kf7 61. h6 Ke6 62. h7 Kd6 63. Qd5+ Kc7 64. h8=Q {[%csl Gd5][%CAl Rh8d8]} Kb6 65. Qb8+ Ka6 66. Qa5# {Accuracy: White = 49%, Black = 36%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.10"] [White "Tzontas, Konstantinos"] [Black "Banh, Gia Huy"] [Result "0-1"] [ECO "B08"] [WhiteElo "1064"] [BlackElo "1633"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "72"] [EventDate "2020.05.09"] {[%evp 10,71,87,-43,77,23,69,28,87,43,125,35,58,38,107,10,79,-19,44,0,0,0,39,1, 56,-26,53,0,90,31,92,0,59,-26,64,19,88,1,90,0,98,0,0,-16,-9,-15,-2,-16,-10,-13, -10,-141,-125,-134,0,0,0,0,0,-1185,-1173,-29998,-29999,-29999]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 O-O 6. Bc4 {[%eval -43,21]} (6. h3 $16 { [%eval 87,17]}) 6... Nc6 {[%eval 77,22] B08: Pirc Defence: Classical System.} ( 6... Nxe4 $1 $15 {[%eval -43,21] stays ahead.} 7. Nxe4 d5) 7. d5 $16 Nb8 { [%eval 69,17]} (7... Na5 $11 {[%eval 23,21]} 8. Be2 c6) 8. h3 {[%eval 28,22]} ( 8. O-O $14 {[%eval 69,17]}) 8... Re8 $146 {[%eval 87,19]} (8... c6 $11 { [%eval 28,22]}) ({Predecessor:} 8... a6 9. a4 e6 10. dxe6 Bxe6 11. Bxe6 fxe6 12. e5 dxe5 13. Qxd8 Rxd8 14. Ng5 Rd6 {1-0 (53) Svidler,P (2737)-Zubov,A (2597) St Petersburg 2018}) 9. O-O e6 {[%eval 125,20]} (9... c6 $14 {[%eval 43,21]}) 10. dxe6 {[%eval 35,18]} (10. Ng5 $16 {[%eval 125,20]}) 10... Bxe6 $14 11. Bxe6 Rxe6 {[%eval 107,18]} (11... fxe6 $14 {[%eval 38,23]} 12. e5 dxe5) 12. Qd3 { [%eval 10,23]} (12. e5 $1 $16 {[%eval 107,18][%CAl Re5f6]} Nfd7 13. exd6) 12... Nc6 $11 13. a3 {[%eval -19,22]} (13. Bg5 $16 {[%eval 79,20]}) 13... Qd7 { [%eval 44,21]} (13... Nd7 $11 {[%eval -19,22]}) 14. Rad1 {[%eval 0,24]} (14. Rae1 $14 {[%eval 44,21] should be considered.}) 14... Rae8 {[%CAl Rf6e4]} 15. Nd2 $1 Ne5 16. Qe2 Nc6 {[%eval 56,20]} (16... b6 $11 {[%eval 1,22]}) 17. f3 { [%eval -26,21]} (17. Qb5 $14 {[%eval 56,20]}) 17... Qc8 {[%eval 53,18]} (17... Nh5 $11 {[%eval -26,21]} 18. Rfe1 Bxc3 19. bxc3 f5) 18. Nc4 {[%eval 0,21]} (18. Qf2 $14 {[%eval 53,18]}) 18... Ne5 {[%eval 90,20]} (18... a6 $11 {[%eval 0,21] keeps the balance.}) 19. Nxe5 $16 ({Not} 19. Bxa7 b6 $17) 19... Rxe5 20. Bf4 ({ Weaker is} 20. Bxa7 b6 $17) 20... R5e6 $1 21. Qd2 {[%eval -26,21]} (21. Qc4 $14 {[%eval 59,20]}) 21... Nh5 {[%eval 64,19]} (21... c6 $11 {[%eval -26,21]}) 22. Bh2 {[%eval 19,22]} (22. Bh6 $14 {[%eval 64,19] might be stronger.}) 22... h6 { [%eval 88,18]} (22... a6 $11 {[%eval 19,22]}) 23. Rfe1 {[%eval 1,22]} ({ White should play} 23. g4 $16 {[%eval 88,18]} Nf6 24. Bf4) 23... Kh7 {[%eval 90,21]} (23... f5 $11 {[%eval 1,22]}) 24. b3 {[%eval 0,22]} ({Better is} 24. g4 $16 {[%eval 90,21]}) 24... Nf6 {[%eval 98,20]} (24... f5 $11 {[%eval 0,22]}) 25. Nd5 {[%eval 0,25]} (25. a4 $16 {[%eval 98,20]}) 25... Nxd5 $11 26. exd5 Rxe1+ 27. Rxe1 Rxe1+ 28. Qxe1 Qf5 29. Qe4 Qf6 30. a4 {[%eval -141,22]} (30. Kh1 $11 {[%eval -10,28] remains equal.}) 30... Qa1+ $17 31. Kf2 f5 {[%eval 0,26]} ( 31... Qd1 $17 {[%eval -134,23] ...Bd4+ is the strong threat.} 32. Bf4 f5) 32. Qc4 c5 $36 {[%mdl 2048] [#] White must now prevent ...Bd4+. Black has the initiative.} 33. dxc6 Qd1 $1 {aiming for ...Bd4+.} 34. Qd3 $2 {[%eval -1185,25] [%mdl 8192]} (34. Bf4 $11 {[%eval 0,31]} Bd4+ 35. Be3 Qd2+ 36. Kf1 Qd1+ 37. Kf2 Qd2+ 38. Kf1 Qxe3 39. Qf7+ {[%mdl 64] Double Attack} Kh8 40. Qf8+ {[%mdl 64] Double Attack} Kh7 41. Qf7+ {[%mdl 64] Double Attack} Bg7 42. cxb7) 34... Bd4+ $19 35. Kg3 Qe1+ 36. Kf4 Qe5# {Accuracy: White = 28%, Black = 47%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.11"] [White "Iuga, Ioan-Alexandru"] [Black "Echimescu, Otilia-Elena"] [Result "1-0"] [ECO "B01"] [WhiteElo "1613"] [BlackElo "1061"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "123"] [EventDate "2020.05.09"] {[%evp 12,122,72,-35,107,-22,46,41,64,33,225,211,257,211,273,184,246,192,210, 188,209,197,315,104,250,233,263,213,234,197,250,207,297,265,425,321,345,127, 163,123,165,66,110,76,104,87,122,84,101,88,97,65,90,37,80,35,64,16,766,758, 1205,1380,1089,1089,1489,1462,2242,1709,2217,1887,29975,29978,29979,29980, 29982,6171,29983,29983,29983,29984,29984,29985,29986,29987,29987,29988,29988, 29989,29989,29990,29993,29991,29994,29993,29996,29997,29997,29996,29996,29997, 29997,29996,29997,29997,29997,29997,29997,29998,29998,29998,29998,29999,29999] } 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 c6 6. Bd2 Qc7 7. Qe2 { [%eval -35,20]} (7. a4 $16 {[%eval 72,18]}) 7... Bf5 {[%eval 107,16] B01: Scandinavian Defence.} (7... b5 $15 {[%eval -35,20]} 8. Bb3 e6) 8. f3 {[%eval -22,18]} (8. Ne4 $16 {[%eval 107,16]}) 8... e6 {[%eval 46,17]} (8... h5 $11 { [%eval -22,18]}) 9. g4 $14 Bg6 {White is slightly better.} 10. f4 {[#] f5 is the strong threat.} h6 $146 {[%eval 225,18]} (10... Be7 $1 $14 {[%eval 33,20]}) ({Predecessor:} 10... Be7 11. h3 Nbd7 12. Nf3 O-O-O 13. O-O-O Bd6 14. Qe3 Kb8 15. Rde1 Rc8 16. Ng5 Nd5 17. Bxd5 cxd5 {1-0 (44) Mastalos,I (1525)-Bordei,R (1219) Baile Felix 2017}) 11. f5 $18 Bh7 12. fxe6 fxe6 13. Qxe6+ Qe7 {[%eval 246,20]} (13... Kd8 $142 {[%eval 184,22]}) 14. O-O-O {aiming for Qc8+.} Qxe6 15. Bxe6 Nbd7 16. Re1 Be7 {[%eval 315,19]} (16... O-O-O $142 {[%eval 197,21]} 17. h4 Bg8 18. Bxg8 Rxg8) 17. Bxd7+ $2 {[%eval 104,21]} (17. Nf3 $18 {[%eval 315,19] is more deadly.}) 17... Nxd7 {[%eval 250,19]} (17... Kxd7 $16 {[%eval 104,21]} 18. Nf3 Rae8) 18. g5 hxg5 19. Bxg5 Nf6 20. Nf3 Rc8 {[%eval 250,18]} ( 20... Rg8 $142 {[%eval 197,22]} 21. h4 Kd7 22. Ne5+ Kd6 23. Nc4+ Kd7 24. Ne5+ Kd6 25. Nf7+ Kd7 26. Ne5+) 21. Re2 Rc7 {[%eval 297,22]} (21... Kd8 $142 { [%eval 207,20]} 22. Rg1 Bc5) 22. Rhe1 Rf8 $2 {[%eval 425,19]} (22... Kd8 { [%eval 265,24]} 23. Nd4 Ng8) 23. Nd4 Rf7 24. Bxf6 $2 {[%eval 127,24]} (24. Ne6 $18 {[%eval 345,19] and White stays clearly on top.} Rd7 25. Nc5) 24... gxf6 $16 25. Ne4 {Threatens to win with Nd6+.} Rd7 26. Nb3 {[%eval 66,22]} ({ White should play} 26. Ne6 $18 {[%eval 165,20]}) 26... b6 {[%eval 110,19]} ( 26... Bxe4 $14 {[%eval 66,22]} 27. Rxe4 Rd5) 27. Rf2 Bxe4 28. Rxe4 f5 29. Re5 Rd5 30. Rxd5 cxd5 {[%mdl 4096] Endgame KRB-KRN} 31. Rf3 Bd6 32. h4 {[%eval 37, 26]} (32. Nd4 $16 {[%eval 90,22]}) 32... f4 $14 33. Nd4 {[%eval 35,26]} (33. Kd1 $16 {[%eval 80,22]}) 33... Bc5 34. Nb5 {[%eval 16,24]} (34. Ne6 $14 { [%eval 64,24]}) 34... Be3+ $2 {[%eval 766,21][%mdl 8192] [#]} (34... Kd7 $11 { [%eval 16,24]}) 35. Rxe3+ $1 $18 {[%mdl 512]} fxe3 {KR-KN} 36. Nd6+ {[%mdl 64] Double Attack} Ke7 37. Nxf7 Kxf7 {KP-KP} 38. Kd1 Kg6 39. Ke2 Kh5 40. Kxe3 Kxh4 41. Kd4 Kg3 42. Kxd5 Kf2 43. Kc4 {[%eval 6171,26]} (43. Ke5 $142 {[%eval 32732, 27]} Ke2 44. d4 Ke3 45. d5 Kd2 46. d6 Kc1 47. d7 Kd2 48. d8=Q+ Kc1 49. Qg5+ Kb1 50. Kd4) 43... Ke2 44. d4 {White mates.} Kd2 45. Kb3 Ke3 46. d5 a5 47. d6 b5 48. d7 a4+ 49. Kb4 Kd2 50. Kxb5 Kxc2 51. Kxa4 Kxb2 52. a3 Ka2 53. d8=Q Kb2 54. Kb4 Kc2 55. a4 Kb2 56. a5 Ka2 57. a6 Kb2 58. a7 Ka2 59. a8=Q+ Kb2 60. Qf3 Ka2 61. Qd2+ Kb1 62. Qh1# {Accuracy: White = 52%, Black = 46%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.12"] [White "Paraipan, Estera-Violeta"] [Black "Yash, Jyoti Bir"] [Result "0-1"] [ECO "B23"] [WhiteElo "1040"] [BlackElo "1592"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "60"] [EventDate "2020.05.09"] {[%evp 14,59,-8,-78,-17,-100,-41,-88,-41,-163,-63,-96,-50,-78,-42,-111,-38,-99, -50,-145,-53,-116,-2,-33,-5,-96,-90,-421,-418,-423,-412,-739,-736,-854,-661, -794,-759,-750,-752,-747,-731,-759,-730,-734,-740,-973,-839,-29999]} 1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 e6 7. Nf3 Be7 8. Bd3 { [%eval -78,18]} (8. e5 $11 {[%eval -8,20] keeps the balance.} dxe5 9. Qxd8+ (9. Nxe5 Qc7 $11) 9... Bxd8 10. Nxe5) 8... Nbd7 {[%eval -17,21] B95: Sicilian Najdorf: 6 Bg5 e6, unusual White 7th moves.} (8... Nc6 $17 {[%eval -78,18]}) 9. Qd2 {[%eval -100,19]} (9. a4 $11 {[%eval -17,21]}) 9... b5 {[%eval -41,22]} ( 9... h6 $17 {[%eval -100,19] ...b5 is the strong threat.} 10. Bh4 O-O) 10. a3 { [%eval -88,19]} (10. O-O $15 {[%eval -41,22]}) 10... Bb7 {[%eval -41,23]} ( 10... O-O $17 {[%eval -88,19]}) 11. Bxf6 $146 {[%eval -163,17]} (11. O-O $15 { [%eval -41,23]}) ({Predecessor:} 11. Qe3 O-O 12. Qd2 h6 13. Bxf6 Nxf6 14. h3 Qc7 15. g4 d5 16. e5 d4 17. Ne2 Bxf3 {1-0 (36) Sculac,Z (1658)-Cigrovski,J (1727) Zagreb 2013}) 11... Nxf6 {[%eval -63,22]} (11... Bxf6 $19 {[%eval -163, 17]} 12. O-O O-O) 12. Qe2 Qc7 {[%eval -50,23]} (12... Nd7 $17 {[%eval -96,18]}) 13. O-O O-O 14. Rfe1 {[%eval -111,20]} (14. Nb1 $15 {[%eval -42,23]}) 14... Rac8 {[%eval -38,23]} ({Black should play} 14... Rfc8 $17 {[%eval -111,20]}) 15. Rac1 {[%eval -99,20]} (15. Nb1 $15 {[%eval -38,23]}) 15... Rfd8 {[%eval -50,22]} (15... Qb6 $17 {[%eval -99,20]}) 16. Nd1 {[%eval -145,19]} (16. Nb1 $15 {[%eval -50,22]}) 16... Qb8 {[%eval -53,19]} (16... Nd7 $17 {[%eval -145, 19]} 17. c4 Qb6) 17. Nd2 {[%eval -116,19]} (17. c3 $15 {[%eval -53,19]}) 17... e5 {[%eval -2,21]} ({Black should try} 17... Nd7 $17 {[%eval -116,19]} 18. Ne3 Qc7) 18. Ne3 $11 g6 19. Qf3 {[%eval -96,17]} (19. c4 $11 {[%eval -5,19]}) 19... d5 $17 20. Ng4 $2 {[%eval -421,21][%mdl 8192]} (20. exd5 $17 {[%eval -90,22]} Nxd5 21. Nxd5 Bxd5 22. Qg3) 20... Nxg4 $19 21. Qxg4 dxe4 22. Bxe4 {[%eval -739, 20]} (22. Nxe4 $142 {[%eval -412,23]} f5 23. Qh3) 22... Rxd2 23. Bd3 Qc7 { [#] Hoping for ...Rxd3!} 24. Qg3 Bc5 25. Re2 Rxe2 26. Bxe2 Bd6 27. Qh4 Qc6 { [%csl Gb7][%CAl Rc6g2]} 28. Bf3 e4 29. Bg4 {[#]} e3 $1 30. fxe3 Qxg2# { Accuracy: White = 20%, Black = 35%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.13"] [White "Jaivardhan, Raj"] [Black "Rosu, Alexia-Maria"] [Result "1-0"] [ECO "B07"] [WhiteElo "1590"] [BlackElo "1027"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "109"] [EventDate "2020.05.09"] {[%evp 10,108,163,149,227,141,171,130,144,123,162,101,167,84,161,-74,-47,-111, -53,-97,-53,-81,145,144,144,126,161,143,161,141,190,158,167,102,206,186,257, 215,196,202,274,258,316,269,334,306,359,284,304,274,436,280,507,500,612,606, 691,605,538,297,845,840,850,831,845,845,837,833,830,838,886,875,895,868,1751, 1757,7506,6137,1997,1789,6717,6717,29975,29973,29964,7877,7387,7397,29976, 29977,29989,29990,29990,29991,29992,29993,29993,29994,29996,29997,29999]} 1. e4 e5 2. d4 d6 3. Nf3 Nc6 4. Bb5 a6 5. Bxc6+ bxc6 6. dxe5 Be7 {[%eval 227,18] C68: Ruy Lopez: Exchange Variation, sidelines.} (6... Ne7 $16 {[%eval 149,19]} 7. exd6 cxd6) 7. exd6 cxd6 8. Nc3 {[%eval 130,20]} (8. c4 $18 {[%eval 171,17]}) 8... Nf6 $16 {White is better.} 9. O-O O-O 10. Bg5 $146 {[%eval 101,21]} (10. Re1 $18 {[%eval 162,19]}) ({Predecessor:} 10. h3 h6 11. e5 Ne8 12. exd6 Nxd6 13. Bf4 a5 14. Re1 Re8 15. Bxd6 Bxd6 16. Rxe8+ Qxe8 17. Qxd6 {1-0 (39) Shelepneva,D (1645)-Mokrousova,Y Saratov 2014}) 10... Bb7 {[%eval 167,17]} ( 10... h6 $16 {[%eval 101,21]}) 11. Qe2 {[%eval 84,21]} (11. Re1 $18 {[%eval 167,17]}) 11... a5 {[%eval 161,19]} (11... Re8 $16 {[%eval 84,21] is a better defense.}) 12. Rad1 $2 {[%eval -74,19]} (12. Nd4 $18 {[%eval 161,19]}) 12... Ba6 $17 13. Qd2 {[%eval -111,22]} ({White should play} 13. Qe1 $15 {[%eval -47, 21]}) 13... Bxf1 14. Kxf1 Re8 {[%eval -53,22]} (14... h6 $17 {[%eval -97,18]} 15. Be3 Qc7) 15. Nd4 $15 {[#]} Nd7 $2 {[%eval 145,17]} (15... Qc8 $1 $17 { [%eval -81,22] and life is bright.}) 16. Bxe7 $16 Qxe7 17. Nxc6 Qf6 18. Qxd6 Qxd6 19. Rxd6 Ne5 {[%eval 190,25]} (19... Re6 $16 {[%eval 141,26]} 20. Nb5 (20. Rxd7 Rxc6 21. Rb7 Rc4 $16) 20... Rxd6 21. Nxd6 Ra6) 20. Nxe5 $18 Rxe5 {[%mdl 4096] Endgame KRR-KRN} 21. f3 {[%eval 102,25]} (21. Rd5 $18 {[%eval 167,22]} Rae8 22. f3) 21... Re6 {[%eval 206,21]} (21... Rb8 $16 {[%eval 102,25]}) 22. Rd5 g6 {[%eval 257,21]} (22... Rh6 {[%eval 186,27] might work better.} 23. h3 Rc6) 23. Na4 Rc8 {[#]} 24. c3 $1 ({Inferior is} 24. Rxa5 Rxc2 25. Rc5 Rd2 $11) 24... Ra8 25. b3 Kf8 26. c4 f6 27. Nc3 Re5 28. Rd7 Re7 29. Rd6 Kg7 {[%eval 436, 21]} (29... f5 {[%eval 274,23] was called for.} 30. exf5 gxf5) 30. c5 Rae8 $2 { [%eval 507,21]} (30... Rc7 {[%eval 280,23]} 31. Na4 Rb8) 31. Nd5 Rf7 32. c6 Ra8 33. c7 Rc8 34. Rd8 Rf8 $2 {[%eval 845,23]} (34... Rfxc7 {[%eval 297,27]} 35. Nxc7 Rxc7) 35. Rxc8 Rxc8 {KR-KN} 36. Ke2 Kf7 37. Kd3 Ke6 38. Kc4 Kd6 39. Kb5 f5 40. Kb6 fxe4 41. fxe4 Kd7 42. Kb7 Re8 43. c8=Q+ {[%mdl 64] Decoy} Rxc8 44. Nb6+ {[%mdl 64] Double Attack} Kd8 45. Nxc8 {KN-K3P} h5 46. e5 Kd7 47. Nb6+ Ke6 48. Nc4 Kd5 49. Kc7 {White mates.} a4 50. Kd7 axb3 51. axb3 g5 52. e6 g4 53. e7 h4 54. e8=Q {[%csl Gc4][%CAl Re8e5]} g3 55. Qe5# {Accuracy: White = 55%, Black = 20%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.14"] [White "Popa, Eduard-Gabriel"] [Black "Ulian, Andrei-Octavian"] [Result "0-1"] [ECO "D31"] [WhiteElo "1026"] [BlackElo "1589"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "120"] [EventDate "2020.05.09"] {[%evp 9,119,-28,-7,-44,-21,-98,0,-100,19,-74,-46,-84,3,-90,-51,-170,-162,-440, -419,-462,-415,-557,-511,-662,-610,-1137,-535,-810,-596,-602,-576,-616,-602, -605,-576,-663,-596,-812,-597,-591,-569,-610,-600,-573,-515,-1042,-1033,-1042, -996,-972,-574,-578,-529,-650,-559,-755,-751,-747,-734,-1256,-1256,-1154,-1148, -29972,-29973,-29969,-29970,-29973,-29974,-7382,-6665,-29976,-29976,-29976, -29977,-29967,-29971,-7768,-7258,-29985,-29984,-29986,-29987,-29987,-29984, -29989,-29988,-29988,-29986,-29986,-29987,-29988,-29989,-29989,-29990,-29990, -29991,-29991,-29992,-29993,-29994,-29995,-29996,-29996,-29996,-29998,-29997, -29997,-29998,-29998,-29999,-29999]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. e4 dxe4 5. Nxe4 Nf6 6. Nxf6+ {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Bxf6 7. Nf3 {[%eval -98,18] [#]} (7. Be3 $11 {[%eval -21,21]}) 7... O-O { [%eval 0,22]} (7... c5 $1 $17 {[%eval -98,18]}) 8. Bf4 $146 {[%eval -100,19]} ( 8. Bd3 $11 {[%eval 0,22]}) ({Predecessor:} 8. Bd3 c5 9. dxc5 Qc7 10. O-O Nd7 11. Rb1 Nxc5 12. Bc2 a5 13. Qe2 b6 14. Ng5 Bxg5 15. Bxg5 {1/2-1/2 (40) Padilla Mendez,V (1843)-Mamani Beltran,D (1894) Tenerife 2019}) 8... b6 {[%eval 19,22]} ({Black should try} 8... c5 $17 {[%eval -100,19][%CAl Rc5d4]} 9. Bd3 cxd4) 9. Be2 {[%eval -74,22]} (9. Bd3 $11 {[%eval 19,22]}) 9... Bb7 10. O-O {[#]} Nd7 { [%eval 3,24]} ({Better is} 10... Nc6 $1 $17 {[%eval -84,19][%CAl Rc6d4]} 11. Be3 Qd6) 11. b3 {[%eval -90,20]} (11. Ne5 $11 {[%eval 3,24] remains equal.}) 11... c5 $17 {Hoping for ...cxd4.} 12. Rc1 {[%eval -170,19]} (12. Bd6 $15 { [%eval -51,26]}) 12... cxd4 $19 {[%mdl 64] Overworked Piece} 13. Nxd4 $2 { [%eval -440,21]} (13. Bd6 {[%eval -162,22]}) 13... e5 14. Bxe5 Nxe5 15. f4 Ng6 16. Nb5 Qe7 17. f5 Ne5 {[%eval -535,22]} (17... Qe3+ $142 {[%eval -1137,22]} 18. Kh1 Rad8) 18. Qe1 a6 19. Nc3 Rad8 20. Rd1 Qc5+ 21. Kh1 Rxd1 22. Qxd1 Rd8 23. Qc2 Qe3 {...Rd2 is the strong threat.} 24. Nd5 Bxd5 25. cxd5 Rxd5 {White must now prevent ...Rd2.} 26. Bxa6 h6 27. Bc4 {[%eval -1042,22]} (27. Qf2 $142 {[%eval -515,23]} Qxf2 28. Rxf2) 27... Rd2 28. Qc1 Ng4 {( -> ...Qe5!)} 29. Qe1 Qxe1 30. Rxe1 Ne5 31. Kg1 Rxa2 32. Rb1 Nxc4 33. bxc4 {[%mdl 4096] Endgame KRB-KR} Bd4+ 34. Kf1 Rf2+ {[%mdl 64] Double Attack} 35. Ke1 Rxg2 36. Rd1 Rg1+ 37. Ke2 Rxd1 38. Kxd1 {KB-K3P} Kf8 39. Kd2 Bg1 40. h3 Ke7 41. Kd3 Kf6 42. Ke4 Bc5 43. Kf4 g5+ 44. Kg4 Ke5 {Black mates.} 45. Kh5 Kxf5 46. Kxh6 {KB-KPP} f6 47. Kh5 Kf4 48. Kg6 Bd4 49. Kf7 Kg3 50. Ke6 Kxh3 {KB-KP} 51. Kd5 Bc5 52. Ke6 g4 53. Kf5 g3 54. Kf4 g2 55. Kf3 g1=Q {[%csl Gh3][%CAl Rg1g4]} 56. Ke2 Qf2+ 57. Kd1 Bb4 {[%csl Gb4][%CAl Rf2d2]} 58. Kc1 Bc3 59. c5 Qb2+ 60. Kd1 Qd2# { Accuracy: White = 19%, Black = 58%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.15"] [White "Shevchuk, Yuriy"] [Black "Muntean, Ana-Maria"] [Result "1-0"] [ECO "B07"] [WhiteElo "1584"] [BlackElo "1015"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "65"] [EventDate "2020.05.09"] {[%evp 9,64,96,153,57,116,17,87,-14,129,-1,145,13,153,2,398,371,498,488,879, 851,1037,844,878,838,876,838,1040,955,1071,1060,1233,1135,1093,1048,1091,1075, 29996,1862,29996,2404,29994,29995,29996,29995,29995,29996,29996,29996,29996, 29996,29996,29997,29997,29998,29998,29996,29999]} 1. d4 d6 2. e4 Nf6 3. Bd3 Bd7 4. c3 e6 5. Nf3 Be7 $146 {[%eval 153,21]} (5... c5 $142 {[%eval 96,22]}) ({ Predecessor:} 5... h6 6. O-O Be7 7. Na3 O-O 8. Bb1 Nc6 9. Qc2 e5 10. d5 Nb8 11. h3 a6 {1-0 (46) Kelires,A (1761)-Theofylou,A (2007) Cyprus 2011}) 6. Bg5 { [%eval 57,22] B07: Pirc Defence: Miscellaneous Systems.} (6. c4 $16 {[%eval 153,21]}) 6... h6 {[%eval 116,19]} (6... c5 $14 {[%eval 57,22]}) 7. Bh4 { [%eval 17,24]} (7. Bf4 $16 {[%eval 116,19]}) 7... Nc6 {[%eval 87,20]} (7... O-O $11 {[%eval 17,24] remains equal.}) 8. Qe2 {[%eval -14,22]} ({Better is} 8. O-O $16 {[%eval 87,20]}) 8... a6 {[%eval 129,21]} (8... Nh5 $11 {[%eval -14,22]} 9. Bxe7 Qxe7) 9. O-O {[%eval -1,26]} (9. Bxf6 $1 $16 {[%eval 129,21]} Bxf6 10. e5) 9... O-O {[%eval 145,19]} (9... Nh5 $11 {[%eval -1,26]} 10. Bxe7 Qxe7) 10. Nbd2 {[%eval 13,25]} ({White should play} 10. Bxf6 $16 {[%eval 145,19]} Bxf6 11. e5) 10... Re8 {[%eval 153,22]} (10... Nh5 $11 {[%eval 13,25] keeps the balance.} 11. Bxe7 Qxe7) 11. Rfd1 $2 {[%eval 2,26]} (11. Bxf6 $16 {[%eval 153,22]} gxf6 12. Qe3) 11... Bf8 $2 {[%eval 398,20][%mdl 8192]} (11... Nh5 $11 {[%eval 2,26] and Black is okay.} 12. Bxe7 Qxe7) 12. e5 $18 dxe5 13. dxe5 Nd5 {[%eval 879,20] } (13... Be7 $142 {[%eval 488,26]} 14. exf6 Bxf6 15. Bxf6 Qxf6) 14. Bxd8 Nf4 15. Qf1 Raxd8 16. g3 Nd5 17. Ne4 f6 18. c4 Ndb4 19. exf6 Bc8 20. a3 Nxd3 21. Rxd3 Rxd3 22. Qxd3 {Intending Neg5! and mate.} b5 {[#]} 23. cxb5 {[%eval 1862, 21]} (23. Neg5 $142 $1 {[%eval 32760,22]} hxg5 24. Nxg5 Bd6 25. Qh7+ {[%mdl 64] Double Attack} Kf8 26. Qxg7#) 23... axb5 {[#]} 24. Qxb5 {[%eval 2404,23]} (24. Neg5 $142 $1 {[%eval 32760,21]} hxg5 25. Nxg5 Bd6 26. Qh7+ {[%mdl 64] Double Attack} Kf8 27. Qxg7#) 24... Na7 25. Qxe8 {White mates.} Bb7 26. f7+ Kh7 27. Qxf8 Bxe4 28. Qg8+ Kg6 29. Nh4+ Kf6 30. f8=Q+ {[%mdl 64] Double Attack} Ke5 31. Qgxg7+ Kd5 32. Rd1+ Kc4 33. Qb4# {Accuracy: White = 17%, Black = 0%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.16"] [White "Dolana, Bogdan-Constantin"] [Black "Taran, Sebastian"] [Result "0-1"] [ECO "C00"] [BlackElo "1561"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "84"] [EventDate "2020.05.09"] {[%evp 11,83,50,156,50,75,1,145,78,218,79,278,204,284,79,120,-25,16,-80,-20, -125,27,-13,13,-79,-13,-158,0,-61,-31,-34,-22,-129,-105,-180,54,32,106,-1107, -1080,-1238,-1238,-29993,-1725,-29984,-29984,-29982,-29976,-29992,-29993, -29993,-29994,-29995,-29995,-29995,-29995,-29995,-29995,-29996,-29997,-29997, -29997,-29997,-29997,-29997,-29997,-29997,-29997,-29997,-29998,-29998,-29998, -29998,-29999,-29999]} 1. d4 e6 2. e4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3 Be7 6. Nf3 Nc6 {[%eval 156,20]} (6... Nxe4 $14 {[%eval 50,22]} 7. Bxe4 Nd7) 7. Be3 { [%eval 50,22] C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} ( 7. c3 $16 {[%eval 156,20]}) 7... Nd5 $146 ({Predecessor:} 7... b6 8. c3 Bb7 9. Qd2 Qd5 10. Nxf6+ Bxf6 11. b3 Qh5 12. h3 Ne7 13. Be2 Qd5 {1-0 (42) Jafet Junior,C (1585)-De Oliveira,F (1383) Sao Paulo 2020}) 8. O-O {[%eval 1,21]} (8. Bc1 $16 {[%eval 75,19]}) 8... h6 {[%eval 145,19]} (8... f5 $11 {[%eval 1,21]}) 9. Re1 {[%eval 78,23]} (9. Bd2 $142 {[%eval 145,19]}) 9... Bd7 {[%eval 218,20]} (9... Nxe3 $16 {[%eval 78,23]} 10. Rxe3 a6) 10. c4 {[%eval 79,19]} (10. Bd2 $18 {[%eval 218,20]}) 10... Nf6 $2 {[%eval 278,20]} (10... Nxe3 $16 {[%eval 79,19]} 11. Rxe3 O-O) 11. a3 a5 12. a4 $2 {[%eval 79,21]} (12. Nc3 $18 {[%eval 284,17] and White stays clearly on top.}) 12... Nb4 {[%eval 120,23]} ({Better is} 12... O-O {[%eval 79,21]}) 13. Qb3 {[%eval -25,22]} (13. Nxf6+ $16 {[%eval 120,23]} Bxf6 14. Be4) 13... Bc6 $11 14. Nfd2 {[%eval -80,19]} (14. Ned2 $11 {[%eval 16, 21]}) 14... O-O $17 15. f3 {[%eval -125,17] [#]} (15. Red1 $1 $11 {[%eval -20, 21]}) 15... Nxd3 $2 {[%eval 27,22]} (15... Nh5 $1 $17 {[%eval -125,17] Hoping for ...f5.} 16. g4 {[#]} Nf4 $1 {[%mdl 512]}) 16. Qxd3 $11 Bb4 17. Rf1 { [%eval -79,21]} (17. Nf2 $11 {[%eval 13,21] remains equal.}) 17... Qe7 { [%eval -13,22]} (17... b6 $17 {[%eval -79,21]}) 18. g4 {[%eval -158,18]} (18. Nf2 $11 {[%eval -13,22] keeps the balance.}) 18... Bxd2 {[%eval -61,19]} ({ Black should try} 18... Nh7 $17 {[%eval -158,18]} 19. Nb3 b6) 19. Bxd2 $15 Bxe4 20. fxe4 Nxg4 21. Qh3 {[%eval -129,20]} (21. Qe2 $11 {[%eval -22,22]} Nf6 22. Ra3) 21... f5 $17 22. Rae1 {[%eval -180,20]} (22. exf5 $17 {[%eval -105,22]} exf5 23. Rae1) 22... Qf6 $2 {[%eval 54,21]} (22... Rad8 $19 {[%eval -180,20]} 23. Bc3 Qg5) 23. e5 $1 $14 {[%CAl Re5f6]} Qd8 {[%eval 106,22]} (23... Qe7 $14 { [%eval 32,24]}) 24. Qh5 $2 {[%eval -1107,21][%mdl 8192]} (24. Qd3 $16 {[%eval 106,22]}) 24... Qxd4+ $19 {[%mdl 64] Double Attack} 25. Kg2 Qxd2+ 26. Kg3 Qd3+ {[%eval -1725,23]} (26... Rad8 $142 {[%eval -32753,33]} 27. Re3 Qxe3+ {[%mdl 64] Double Attack} 28. Rf3 Qg1+ 29. Kh4 Rd4 30. Qxf5 Qxh2+ {[%mdl 64] Double Attack} 31. Rh3 Nf6+ 32. Qg4 Rxg4#) 27. Rf3 Qd2 {Black mates.} 28. Rh1 f4+ 29. Kxg4 Qg2+ {[%mdl 64] Double Attack} 30. Rg3 fxg3 31. hxg3 Qf3+ 32. Kh4 Qxh1+ 33. Kg4 Qf3+ 34. Kh3 Qxh5+ 35. Kg2 Qe2+ 36. Kh3 Qf1+ 37. Kh4 g5+ 38. Kh5 Qh3+ 39. Kg6 Qf5+ {[%mdl 64] Double Attack} 40. Kh5 g4+ 41. Kxh6 Rf7 {[%csl Gf5,Gg8] [%CAl Rf7h7]} 42. c5 Rh7# {Accuracy: White = 20%, Black = 33%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.17"] [White "Mahi, Amit Doshi"] [Black "Meca, Rares-Stefan"] [Result "1-0"] [ECO "D13"] [WhiteElo "1502"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "67"] [EventDate "2020.05.09"] {[%evp 15,66,-29,111,68,186,156,170,167,325,291,413,284,277,193,350,299,425, 420,414,403,873,844,990,975,978,944,945,907,988,956,29987,29988,6745,1717,2075, 2029,29984,29985,29985,29986,29986,29987,29991,29990,29990,29991,29993,29994, 29994,29995,29998,29999,29999]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bb5 Be7 {[%eval 111,19]} (8... Nd7 $11 {[%eval -29,23] remains equal.}) 9. Ne5 $16 {D14: Slav Defence: Exchange variation with ...Bf5.} Rc8 {[%eval 186,21]} (9... O-O $14 {[%eval 68,22]}) 10. Nxc6 bxc6 11. Ba6 {White is clearly better.} Qb6 $2 {[%eval 325,19]} (11... Rb8 {[%eval 167,25]}) 12. Bxc8 $18 Qxb2 {[%eval 413,21]} (12... O-O $142 {[%eval 291,20]} 13. Bxe6 Bxe6) 13. O-O $146 ({Predecessor:} 13. Qc1 Qb6 14. O-O O-O 15. e4 Nxe4 16. Nxe4 Qxd4 17. Ng3 Rxc8 18. Nxf5 exf5 19. Qe3 Qxe3 20. Bxe3 {1-0 (27) Ugalde Garcia,R (2174)-Arias,R (2173) San Jose 2005}) 13... Qxc3 14. Rc1 { [%CAl Ba1c1,Bc1c6,Bc6a6][%mdl 32]} Qa5 $2 {[%eval 350,19]} (14... Qa3 {[%eval 193,24] keeps fighting.} 15. Qb3 (15. Rxc6 Bd3 $16) 15... Bd3) 15. Rxc6 Qxa2 { [%eval 425,23]} (15... O-O {[%eval 299,23] was worth a try.} 16. Ba6 Nd7) 16. Ra6 Qc4 17. Rxa7 {[#] Ba6 is the strong threat.} Qxc8 {[%eval 873,21]} (17... O-O $142 {[%eval 403,27]} 18. Ba6 (18. Rxe7 Rxc8 19. f3 Bd3 $18) 18... Qb4) 18. Qa4+ Nd7 19. Ra8 Qxa8 20. Qxa8+ Bd8 21. Bc7 {[%csl Gc7][%CAl Ra8d8]} Ke7 22. Qa3+ Ke8 23. Bxd8 Kxd8 24. Qa8+ {[%eval 1717,23]} (24. Qd6 $142 {[%eval 6745, 23]} Ke8 25. Ra1) 24... Ke7 25. Qxh8 Kf6 26. Qd8+ {[%mdl 64] [#] Double Attack. White mates.} Kg6 27. Qxd7 e5 28. Qd6+ Be6 29. dxe5 Kf5 30. f3 f6 31. g4+ Kg6 32. Qxe6 d4 33. Qe8+ Kh6 34. Qh5# {Accuracy: White = 74%, Black = 16%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.18"] [White "Ghetu, Matei-Adrian"] [Black "Cazan, Mircea-Andrei"] [Result "0-1"] [ECO "B22"] [BlackElo "1494"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "52"] [EventDate "2020.05.09"] {[%evp 9,52,-120,-63,-117,-100,-111,-87,-116,-95,-111,-74,-111,-103,-106,-109, -126,-107,-424,-424,-466,-442,-443,-413,-450,-417,-439,-398,-541,-522,-542, -519,-762,-758,-890,-783,-868,-870,-1162,-1088,-29991,-29992,-29995,-29996, -29998,-29999]} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. e5 Bg4 5. d4 cxd4 {[%eval -63, 22]} ({Better is} 5... Bxf3 $17 {[%eval -120,19]} 6. Qxf3 cxd4) 6. cxd4 { [%eval -117,21] B22: Sicilian: 2 c3.} (6. Nbd2 $15 {[%eval -63,22]}) 6... Bxf3 $17 7. gxf3 Qb6 8. Be3 {Black is better.} Qxb2 9. Nd2 {Rb1 is the strong threat.} e6 $146 {Strongly threatening ...Bb4.} ({Predecessor:} 9... Nxd4 10. Qa4+ Nc6 11. Rb1 Qxe5 12. Rxb7 Rc8 13. f4 Qa1+ 14. Ke2 e6 15. Bg2 Qc3 {0-1 (21) Kuzmicheva,S (1692)-Valiullin,A (1874) Ufa 2010}) 10. Rb1 Qxa2 11. Rxb7 { [#] Black must now prevent Qc1.} Bb4 $1 12. Bb5 Nge7 13. Bg5 $2 {[%eval -424, 22][%mdl 8192]} (13. Rc7 $17 {[%eval -107,26] is more resistant.} O-O 14. Bxc6) 13... O-O $19 14. Be3 Rab8 15. Bxc6 Nxc6 16. Rxb8 Rxb8 17. O-O Bxd2 18. Bxd2 Nxd4 19. Be3 Nf5 20. Bg5 h6 21. Bd2 Rb2 22. Bc3 Rc2 23. Ba1 Qc4 24. Qb1 Nh4 { Black mates.} 25. Qd1 {[#]} Qf4 $1 {[%mdl 512]} 26. Qd3 Qg5+ {Accuracy: White = 32%, Black = 100%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.19"] [White "Aarav, Lakhani"] [Black "Dragan, Vlad-Nicolae"] [Result "1-0"] [ECO "C42"] [WhiteElo "1491"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "35"] [EventDate "2020.05.09"] {[%evp 9,34,-111,-50,-131,-11,-72,16,-65,0,-44,-13,-187,151,143,238,215,241, 215,1681,1251,1383,757,754,742,29992,29984,29999]} 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. O-O d5 5. Bb3 Nc6 6. d3 {[%eval -131,20] C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} (6. Qe1 $1 $15 {[%eval -50,23]}) 6... Nf6 { [%eval -11,24]} (6... Nc5 $17 {[%eval -131,20] Threatening ...f6.} 7. Re1 f6) 7. Re1 $146 ({Predecessor:} 7. Nxe5 Nxe5 8. Re1 Be7 9. Rxe5 O-O 10. Re1 Bg4 11. f3 Be6 12. Nc3 c6 13. Bg5 {0-1 (65) Mesfin,L-Olape,B (2273) Abuja 2003}) 7... Bd6 {[%eval 16,23]} (7... Be7 $17 {[%eval -72,20]}) 8. Bg5 {The position is equal.} O-O {[%eval 0,25] [#]} ({Black should play} 8... Be6 $15 {[%eval -65, 20]}) 9. Nc3 {[%eval -44,22]} (9. Bxd5 $1 $11 {[%eval 0,25][%mdl 512]} Bb4 ( 9... Nxd5 10. Bxd8) 10. c3 Qxd5 11. cxb4) 9... Bb4 $1 $15 10. Bxf6 $2 {[%eval -187,23]} (10. Nxe5 $11 {[%eval -13,25] and White stays safe.} Nxe5 11. Rxe5) 10... Qxf6 $2 {[%eval 151,19]} (10... gxf6 $19 {[%eval -187,23]} 11. d4 Kh8) 11. Nxd5 $16 {[%mdl 64] Double Attack} Qd8 {[%eval 238,19]} (11... Qd6 $16 { [%eval 143,26]}) 12. Nxb4 $18 Nxb4 13. Nxe5 ({Don't take} 13. Rxe5 $6 Nc6 $16) 13... Re8 $2 {[%eval 1681,23]} (13... Nd5 {[%eval 215,26]} 14. d4 c6) 14. Bxf7+ {[%mdl 64] [#] Double Attack} Kh8 15. Bxe8 Qxe8 16. Qf3 {Intending Ng6+! and mate.} Nxc2 17. Nf7+ {[%mdl 64] Discovered Attack} Kg8 18. Rxe8# {Accuracy: White = 51%, Black = 17%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.20"] [White "Ionescu, Erika-Maria"] [Black "Dima, Ioan-Radu"] [Result "0-1"] [ECO "B21"] [BlackElo "1486"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "76"] [EventDate "2020.05.09"] {[%evp 9,75,-23,43,-46,138,-90,5,-80,150,106,176,86,232,151,225,111,183,10,50, -111,-28,-125,-90,-92,-78,-120,-100,-124,-76,-166,6,-23,58,-146,-110,-307,-216, -370,-183,-257,-169,-333,-249,-396,-405,-487,-505,-734,-235,-750,-726,-703, -456,-452,-422,-536,-407,-2360,-830,-29984,-29985,-29985,-836,-865,-850,-1150, -862,-29999]} 1. d4 c5 2. e4 cxd4 3. Qxd4 Nc6 4. Qd2 g6 5. Bc4 Bg7 {[%eval 43, 22]} (5... Nf6 $11 {[%eval -23,22]}) 6. Nc3 {[%eval -46,23] B21: Sicilian: 2 f4 and Morra Gambit.} (6. Nf3 $14 {[%eval 43,22]}) 6... e6 $146 {[%eval 138,21] } (6... Nf6 $15 {[%eval -46,23]}) ({Predecessor:} 6... d6 7. Nf3 Nf6 8. h3 O-O 9. Qe2 Bd7 10. Bg5 h6 11. Be3 Qa5 12. O-O Rac8 {0-1 (34) Bustelo,T (2180) -Izquierdo,D (2283) Montevideo 2000}) 7. Qd3 $2 {[%eval -90,20]} (7. Nb5 $1 $16 {[%eval 138,21]}) 7... Nge7 {[%eval 5,22]} (7... Ne5 $17 {[%eval -90,20]} 8. Qe2 Ne7) 8. Bf4 {[%eval -80,22]} (8. Nf3 $11 {[%eval 5,22]}) 8... e5 $2 { [%eval 150,16]} (8... d5 $1 $17 {[%eval -80,22][%CAl Rd5c4] and life is bright. } 9. Bb3 (9. exd5 Nxd5 10. Bxd5 exd5 $15) 9... d4) 9. Bg5 {[%eval 106,22]} (9. Be3 $142 {[%eval 150,16]}) 9... O-O $16 10. O-O-O {[%eval 86,21]} (10. Qd2 $18 {[%eval 176,21] and White stays clearly on top.}) 10... Kh8 {[%eval 232,20]} ( 10... h6 $16 {[%eval 86,21]}) 11. Kb1 f6 {[%eval 225,19]} (11... Na5 $16 { [%eval 151,24]} 12. h4 f6) 12. Bh4 {[%eval 111,24]} (12. Be3 $18 {[%eval 225, 19] is more deadly.}) 12... a6 {[%eval 183,22]} (12... Rb8 $16 {[%eval 111,24]} ) 13. Bg3 $2 {[%eval 10,23]} (13. Bb3 $18 {[%eval 183,22]}) 13... b5 $11 14. Bd5 $2 {[%eval -111,22] [#]} (14. Bb3 $14 {[%eval 50,21] is the one way to stay ahead.}) 14... Bb7 {[%eval -28,23]} ({Black should try} 14... Nb4 $1 $17 { [%eval -111,22][%CAl Rb4d3]} 15. Qd2 Nbxd5 16. Nxd5 Bb7) 15. f4 {[%eval -125, 21]} (15. Bb3 $1 $11 {[%eval -28,23] remains equal.}) 15... Nb4 16. Qd2 Nbxd5 17. Nxd5 Nxd5 18. exd5 d6 {[%eval -76,22]} (18... Rc8 $142 {[%eval -124,20]} 19. Ne2 Rc5) 19. Nf3 {[%eval -166,21]} (19. Bf2 $17 {[%eval -76,22] was necessary.}) 19... e4 $2 {[%eval 6,22]} (19... Rc8 $19 {[%eval -166,21]} 20. Bf2 Qc7) 20. Nd4 {Threatening Ne6.} Bxd5 21. Rhe1 $2 {[%eval -146,19]} (21. h4 $1 $14 {[%eval 58,24] stays ahead.}) 21... f5 $17 22. Re2 $2 {[%eval -307,20]} (22. Ne2 $17 {[%eval -110,24]} Bf7 23. Bf2) 22... Qf6 23. Bf2 $2 {[%eval -370, 19]} (23. Qa5 {[%eval -216,22]}) 23... Bg8 {[%eval -183,22]} (23... a5 $142 { [%eval -370,19]} 24. g4 fxg4) 24. g3 {[%eval -257,21]} (24. Qa5 {[%eval -183, 22] is a better defense.}) 24... Rac8 25. h4 $2 {[%eval -333,23]} (25. b3 { [%eval -169,24] was worth a try.}) 25... h5 (25... Qf7 26. Nb3 $17) 26. Ree1 { [%eval -396,22] [#]} (26. Qa5 $142 {[%eval -249,20]}) 26... a5 $1 $19 {[%mdl 512]} 27. Qxa5 Ra8 28. Qxb5 Rxa2 $2 $40 {[%eval -235,24][%mdl 128] Black attacks with force.} (28... Rfb8 {[%eval -734,21]} 29. Qxb8 Rxb8) 29. Qb4 $2 { [%eval -750,21]} (29. c3 {[%eval -235,24]}) 29... Rfa8 {[%csl Ga8][%CAl Ra2a1]} 30. Kc1 R2a4 31. Qb7 R8a7 32. Qc6 R4a5 33. Nb5 {[%eval -2360,22]} (33. Be3 $142 {[%eval -407,24]} Qf7 34. Qxd6) 33... R7a6 {[%eval -830,25]} (33... Qxb2+ $142 {[%eval -2360,22]} 34. Kd2 Qb4+ 35. Ke2 Bc4+ {[%mdl 64] Double Attack} 36. Rd3 Bxb5 {[%mdl 64] Pin} 37. Qc8+ Kh7 38. Qxf5 gxf5 39. Kf1 exd3 40. cxd3 {[#]} Ra2 $1 {[%mdl 512]} 41. Re3 Qd2 42. Rf3 Qe2+ 43. Kg1 Qxf3 44. Kh2 Rxf2+ 45. Kh3 Qh1#) 34. Qb7 Qxb2+ {[%mdl 64] Double Attack} 35. Kd2 Qxb5 {[%eval -836,23]} ( 35... Qb4+ $142 {[%eval -32737,23]} 36. Ke2 Qc4+ {[%mdl 64] Double Attack} 37. Rd3 Rxb5 38. Qb6 Raxb6 39. Kf1 exd3 40. Kg2 Qxc2 41. g4 Rb2 42. Rf1 Qe2 43. gxf5 Qg4+ 44. Kh2 Bd5 45. fxg6 Qg2#) 36. Qxb5 Rxb5 37. Kc1 Bc3 {[%CAl Ra6a1]} 38. Re3 Ra1# {Accuracy: White = 11%, Black = 31%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.21"] [White "Korniychuk, Igor"] [Black "Stanciu, Rares-Stefan"] [Result "1-0"] [ECO "D02"] [WhiteElo "1426"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "63"] [EventDate "2020.05.09"] {[%evp 9,62,-45,50,0,104,-6,47,7,50,-8,30,-25,425,401,445,388,391,372,492,388, 403,377,411,375,872,867,884,853,2500,2900,29994,29984,2973,2303,2266,2173, 29988,29989,29990,29991,29991,29992,29993,29993,29993,29994,29994,29994,29994, 29994,29995,29996,29998,29999,29999]} 1. d4 d5 2. Nf3 Nc6 3. e3 Nf6 4. Bd3 Bg4 5. O-O {[#]} e6 {[%eval 50,19]} (5... e5 $1 $15 {[%eval -45,23][%mdl 512]} 6. Be2 (6. dxe5 Nxe5) 6... Bd6) 6. Nbd2 {[%eval 0,22] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} ({White should play} 6. Be2 $14 {[%eval 50,19]}) 6... Bb4 {[%eval 104,21]} (6... Nb4 $11 {[%eval 0,22] keeps the balance.}) 7. Be2 $146 {[%eval -6,21]} (7. c3 $16 {[%eval 104,21]} Be7 8. e4) ({Predecessor:} 7. c3 O-O 8. cxb4 Nxb4 9. Qb3 Nxd3 10. Qxd3 Bf5 11. Qc3 c6 12. b3 Be4 13. Nxe4 dxe4 14. Ne5 Nd5 15. Qc2 Nb4 16. Qxe4 f5 17. Qf3 Nc2 18. Rb1 Qf6 19. Nd7 {1-0 (19) Rodriguez Garcia,J-Negrin Rodriguez,S Tenerife 2018}) 7... Bxd2 {[%eval 47,21]} ({Better is} 7... O-O $11 {[%eval -6,21]}) 8. Bxd2 {White is slightly better.} O-O {[%eval 50,22]} (8... Ne4 $11 {[%eval 7, 24] deserves consideration.}) 9. Ne5 {[%eval -8,25]} (9. c4 $14 {[%eval 50,22]} ) 9... Nxe5 $11 10. dxe5 Nd7 $2 {[%eval 425,20][%mdl 8192]} (10... Bxe2 $11 { [%eval -25,23] and Black is okay.} 11. Qxe2 Ne4) 11. Bxg4 $18 Nxe5 12. f4 Nxg4 13. Qxg4 Qe8 14. Bc3 {[%csl Gc3][%CAl Rg4g7]} f6 15. Rf3 Rf7 16. Rh3 Kf8 $2 { [%eval 872,21]} (16... Rd8 {[%eval 375,24]} 17. Qh4 h6) 17. Rxh7 {Intending Bb4+ and mate.} Ke7 18. Rxg7 Qf8 19. Bb4+ {[%mdl 64] [#] Skewer} Ke8 20. Bxf8 Kxf8 21. Rxf7+ Kxf7 22. Qh5+ Kf8 23. Qh8+ {[%mdl 64] Double Attack. White mates.} Kf7 24. Qxa8 {[%mdl 64] Double Attack} Ke7 25. Qxb7 Kd8 26. Qb8+ Kd7 27. Rd1 Kd6 28. e4 f5 29. e5+ Kd7 30. Rd3 Kc6 31. Rc3+ Kd7 32. Rxc7# {Accuracy: White = 26%, Black = 34%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.22"] [White "Tramindan, Costel-Horatiu"] [Black "Tzontas, Athanasios"] [Result "0-1"] [ECO "C47"] [BlackElo "1406"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "54"] [EventDate "2020.05.09"] {[%evp 10,53,9,-321,-286,-476,-408,-449,-423,-497,-475,-509,-459,-529,-238, -538,-529,-519,-489,-543,-523,-550,-535,-1206,-1186,-1278,-1226,-1725,-1743, -1706,-1485,-1724,-1481,-29998,-29987,-2435,-1798,-1988,-1756,-29990,-29991, -29993,-29994,-29998,-29999,-29999]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd2 $2 {[%eval -321,17][%mdl 8192]} (6. Nxc6 $1 $11 {[%eval 9,21] and White is okay.} bxc6 7. Bd3) 6... Nxd4 $19 {C47: Scotch Four Knights and Four Knights with 4 g3.} 7. Bd3 $2 {[%eval -476,20]} (7. e5 {[%eval -286,21] was worth a try.} Ng8 8. a3) 7... d6 8. O-O O-O {Black is clearly winning.} 9. h3 $146 ({Predecessor:} 9. a3 Ba5 10. Kh1 Re8 11. f3 Qd7 12. Nd5 Nxd5 13. exd5 Bb6 14. c3 Nf5 15. Be4 {1/2-1/2 (30) Fridich,V (924)-Linart,L (869) LSS email 2013}) 9... Re8 10. Re1 Bd7 11. Bg5 h6 {[%eval -238,21]} (11... Bxc3 $142 { [%eval -529,22]} 12. bxc3 Ne6) 12. Bh4 $2 {[%eval -538,22]} (12. Bxf6 {[%eval -238,21]} Qxf6 13. Nd5 Nf3+ 14. Qxf3 Qxf3 15. gxf3 Bxe1 16. Rxe1) 12... Bxc3 13. bxc3 Ne6 14. e5 dxe5 15. Rxe5 Nf4 16. Bc4 Rxe5 17. Bg3 Re4 18. Bb3 Ne2+ 19. Kh2 Nxg3 20. Kxg3 Bc6 21. Qf3 Rg4+ {[%mdl 64] [#] Discovered Attack} 22. hxg4 Bxf3 23. gxf3 Qd6+ 24. f4 Ne4+ {Black mates.} 25. Kg2 Qxf4 {[%mdl 64] [#] Double Attack} 26. Rd1 Qxf2+ 27. Kh3 Qg3# {Accuracy: White = 5%, Black = 51%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.23"] [White "Garbowska, Maja"] [Black "Bhandari, Agastya"] [Result "1-0"] [ECO "B45"] [WhiteElo "1405"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "81"] [EventDate "2020.05.09"] {[%evp 18,81,4,-86,-36,-104,-25,-266,-205,-230,-67,-142,0,-39,0,-61,0,0,0,-9, 16,0,43,-9,42,-9,12,-29,-20,-33,70,-60,0,-90,-9,-21,841,132,257,249,407,225, 849,849,1180,1178,867,791,29986,1885,1409,336,1373,803,29979,29980,29980,29981, 29981,29982,29982,29983,29983,29984,8097,769]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Nxc6 bxc6 8. Bd3 d5 9. exd5 exd5 10. Bd2 { [%eval -86,22]} (10. Bd4 $11 {[%eval 4,21]}) 10... O-O $17 {B45: Sicilian Four Knights.} 11. O-O Re8 {[%eval -25,23]} (11... Bd6 $17 {[%eval -104,21]}) 12. f4 $146 {[%eval -266,21]} (12. Re1 $11 {[%eval -25,23] and White has nothing to worry.}) ({Predecessor:} 12. Ne2 Bd6 13. Bf4 Bg4 14. Bg3 Bxg3 15. hxg3 Qb6 16. Rb1 c5 17. c4 dxc4 18. Bxc4 {1/2-1/2 (49) Meusel,R (1898)-Villing,D (2187) St Leon Rot 2011}) 12... Bg4 {Black has a decisive advantage.} 13. Qc1 d4 $2 { [%eval -67,24]} (13... c5 $19 {[%eval -230,19]} 14. Bb5 Bd7) 14. Ne4 {[%eval -142,21]} (14. Nd1 $15 {[%eval -67,24]} Bxd2 15. Qxd2) 14... Bxd2 {[%eval -39, 23]} (14... Nxe4 $17 {[%eval -142,21]} 15. Bxb4 Rb8) 15. Nxf6+ $15 Qxf6 16. Qxd2 Bf5 {[%eval -9,25]} (16... Re3 $15 {[%eval -61,19]}) 17. Bxf5 $11 Qxf5 18. Qxd4 Qxc2 19. Rac1 Qg6 {[%eval 43,20]} (19... Qf5 $11 {[%eval 0,27]}) 20. Qd7 { [%eval -9,26]} (20. f5 $14 {[%eval 43,20]} Qg5 21. Rc2 (21. Rxc6 Re2 $11)) 20... Rec8 {[%eval 42,21]} (20... Qf6 $11 {[%eval -9,26]}) 21. Rfe1 {[%eval -9, 24]} (21. b3 $14 {[%eval 42,21]}) 21... Qf6 22. f5 {[%eval -29,23]} (22. Rxc6 { [%eval 12,27] feels stronger.} Qxc6 23. Re8+ Rxe8 24. Qxc6) 22... Qxb2 23. Rxc6 Qb8 {[%eval 70,24]} ({Black should try} 23... Rd8 $15 {[%eval -33,24]} 24. Qe7 Qxa2) 24. Ra6 {[%eval -60,22]} ({White should play} 24. Qxc8+ $14 {[%eval 70, 24]} Qxc8 25. Rxc8+ Rxc8 26. Re7) 24... Rd8 {[%eval 0,27]} (24... Qb4 $15 { [%eval -60,22]} 25. Rd1 Re8) 25. Qe7 {[%eval -90,23] [#]} (25. Qa4 $11 { [%eval 0,27] remains equal.}) 25... h6 {[%eval -9,27]} (25... Qb5 $1 $17 { [%eval -90,23][%CAl Rb5a6]} 26. Ra3 h6) 26. f6 gxf6 $2 {[%eval 841,24][%mdl 8192]} (26... Qb5 $11 {[%eval -21,25]} 27. Qe2 Rd3) 27. Qxf6 $2 {[%eval 132,24] } (27. Rxf6 $18 {[%eval 841,24] is the precise move to win.} Rf8 28. Rxh6) 27... Re8 {[%eval 257,23]} (27... Qb4 $16 {[%eval 132,24]} 28. Qf2 Rd2 29. Qg3+ (29. Rxa7 Rxf2 30. Rxa8+ Kh7 $14) 29... Kh7) 28. Rf1 $18 Qc7 $2 {[%eval 407,23] } (28... Qb7 {[%eval 249,27]} 29. Qxh6 Qe7) 29. Rc6 $40 {[%eval 225,27][%mdl 128] White attacks with force.} (29. Kh1 $142 {[%eval 407,23]} Qe7 30. Qf4) 29... Qb7 $2 {[%eval 849,22]} (29... Qe7 {[%eval 225,27]} 30. Qxh6 Qe5) 30. Qxh6 Re2 31. Qg5+ Kf8 32. Rcf6 Re7 33. h4 {[%eval 1885,25]} (33. Rg6 $142 { [%eval 32740,26]} Qb6+ 34. Rxb6 axb6 35. Qf6 Rc7 36. Qh8+ Ke7 37. Qe5+ Kd8 38. Qd5+ Rd7 39. Qxa8+ Ke7 40. Re1+ Kd6 41. Rd1+ Ke7 42. Qa3+ Ke8 43. Qa4) 33... Qe4 34. h5 $2 {[%eval 336,24]} (34. Qh5 {[%eval 1409,21][%CAl Rh5h8]} Qd4+ 35. Kh1) 34... Qd4+ $2 {[%eval 1373,18]} (34... Qe3+ {[%eval 336,24]} 35. Qxe3 Rxe3 36. Rxf7+ Kg8) 35. Kh1 {[#] h6 is the strong threat.} Ke8 36. Qg8+ Kd7 37. Qxa8 Qh4+ 38. Kg1 Qd4+ 39. R6f2 Re2 40. Qb7+ Ke8 41. Qxf7+ {Accuracy: White = 40%, Black = 15%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.24"] [White "Cernea, Albert-Gabriel"] [Black "Giugiuc, Andrei-Calin"] [Result "0-1"] [ECO "B18"] [BlackElo "1395"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "92"] [EventDate "2020.05.09"] {[%evp 15,92,29,93,17,77,-9,80,-18,18,-14,-5,-13,10,-19,14,-29,6,-12,0,-25,35, -19,51,-77,-54,-309,0,0,70,-45,-28,-56,-27,-442,-420,-433,-401,-474,-404,-522, -367,-372,-362,-369,-346,-410,-385,-501,-374,-725,-725,-716,-730,-730,-698, -778,-768,-782,-776,-762,-625,-887,-800,-918,-835,-890,-624,-796,-801,-811, -796,-804,-811,-809,-818,-796,-778,-991,-991]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 Ngf6 {[%eval 93,19]} (8... e6 $11 {[%eval 29,22] remains equal.}) 9. c4 {[%eval 17,22] B18: Classical Caro-Kann: 4...Bf5 sidelines.} ({White should play} 9. Bf4 $16 {[%eval 93,19]}) 9... e6 $11 10. Bg5 {[%eval -9,24]} (10. O-O $16 {[%eval 77,18]}) 10... Qb6 $146 {[%eval 80,17]} (10... Bb4+ $11 {[%eval -9,24] keeps the balance.} 11. Bd2 Nc5) ({Predecessor:} 10... Qa5+ 11. Bd2 Qc7 12. O-O Be7 13. Rfe1 O-O 14. Bg5 Rfe8 15. Bxf6 Bxf6 16. Nh5 Rad8 17. Nxf6+ Nxf6 18. Re5 b6 19. Rg5 Qf4 20. Rd1 Qd6 21. Ne5 c5 {1/2-1/2 (38) Moran Canseco,J-Quemada Sisniega,J Valladolid 1994 }) 11. b3 {[%eval -18,24]} ({Better is} 11. O-O $16 {[%eval 80,17]}) 11... Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 O-O 14. O-O Rad8 15. Qf4 {[%eval -29,21]} (15. Rfe1 { [%eval 14,25] is superior.}) 15... c5 16. Rfd1 cxd4 17. Rxd4 Qa5 {[%eval 35,24] } (17... Nb8 $11 {[%eval -25,28]}) 18. h3 {[%eval -19,27]} (18. Qd2 $14 { [%eval 35,24]} Qxd2 19. Rxd2) 18... e5 {[%eval 51,28]} (18... Nb8 $11 {[%eval -19,27]}) 19. Qg5 {[%eval -77,24]} (19. Qf5 $1 $14 {[%eval 51,28] stays ahead.} ) 19... h6 $17 20. Qf5 $2 {[%eval -309,22][%mdl 8192] [#]} (20. Qd2 $15 { [%eval -54,24]} Qc5 21. Rd6) 20... Qc3 $2 {[%eval 0,26]} (20... g6 $19 { [%eval -309,22]} 21. Rg4 Nxg4 22. Qxg4 Rfe8) 21. Rdd1 $11 g6 {[%eval 70,25]} ( 21... Rfe8 $11 {[%eval 0,26]}) 22. Qd3 {[%eval -45,26]} (22. Qb1 $1 $14 { [%eval 70,25]}) 22... Qxd3 $15 23. Rxd3 e4 $36 {[%mdl 2112] [#] Double Attack. Black has good play.} 24. Re3 $2 {[%eval -442,23][%mdl 8192]} (24. Nxe4 $1 $11 {[%eval -27,26] and White stays safe.} Nxe4 25. Rad1) 24... exf3 $19 25. Rxf3 Kg7 26. Ne2 Ne5 27. Rg3 Rd3 28. Rxd3 Nxd3 29. Rd1 Ne5 30. f4 Nc6 31. h4 Rd8 32. Rf1 $2 {[%eval -725,20]} (32. Rxd8 {[%eval -374,24]} Nxd8 33. Kf2) 32... Rd2 { Black is clearly winning.} 33. Nc3 Rc2 34. Nb5 Rxa2 35. Nd6 b6 36. f5 Rd2 37. Nb5 Nd4 38. Nxa7 Nxf5 39. Nc8 Rb2 40. Nxb6 Rxb3 41. c5 Rc3 42. Na4 Rc4 43. Nb2 Rxc5 44. Nd3 Rc3 45. Ne5 Nxh4 46. g4 Re3 {[%mdl 64] Decoy. Accuracy: White = 16%, Black = 50%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.25"] [White "Petculescu, Diana-Silvana"] [Black "Dincov, Gabriel"] [Result "1-0"] [ECO "C44"] [WhiteElo "1393"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "67"] [EventDate "2020.05.09"] {[%evp 9,66,19,216,175,207,109,588,582,633,604,604,594,631,578,821,809,837,611, 1323,596,1318,1287,1728,1447,1235,1030,1062,1062,1105,1090,2297,2165,6379,6569, 29994,29995,29995,29996,29996,29997,29997,29997,29997,29997,29997,29997,29997, 29997,29997,29997,29997,29995,29999,29997,29997,29998,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 g6 5. Nxd4 Bb4+ $146 {[%eval 216,18]} (5... Bg7 $11 {[%eval 19,23] and Black is okay.} 6. Nxc6 bxc6) ({Predecessor:} 5... Bg7 6. Nxc6 bxc6 7. O-O Ne7 8. Nc3 O-O 9. Bg5 d6 10. Qd2 Be6 11. Bb3 Qd7 12. Rfe1 Rfe8 13. Ba4 f6 14. Be3 Nc8 15. Qd3 Nb6 16. Bb3 c5 17. Bxe6+ Qxe6 {1/2-1/2 (41) Ganguly,S (2615)-Mamedyarov,S (2757) Doha 2014}) 6. c3 $18 {C45: Scotch Game.} Bc5 7. Be3 {[%eval 109,19]} (7. O-O $18 {[%eval 207,17]}) 7... Nh6 $2 {[%eval 588,22][%mdl 8192]} (7... Ne5 $16 {[%eval 109,19] is a better chance.}) 8. Nxc6 {White is clearly winning.} dxc6 9. Qxd8+ Kxd8 10. Bxc5 Re8 11. Nd2 f5 12. Be3 Ng4 13. O-O-O b5 14. Bf7 {[#] Strongly threatening Bg5+.} Re7 15. Bg5 Be6 16. Bxe6 Nxf2 17. Bxe7+ Kxe7 18. exf5 gxf5 19. Bxf5 Rh8 20. Rde1+ Kf6 21. Rhf1 Nd3+ 22. Bxd3+ {[%mdl 64] [#] Discovered Attack. White mates.} Kg7 23. Re7+ { [%mdl 64] Double Attack} Kh6 24. Rf6+ Kg5 25. Rf5+ Kg6 26. Rf8+ Kh6 27. Rxh8 Kg5 28. Rg8+ Kf6 29. Rxh7 Ke5 30. Re7+ Kf4 31. Rf8+ Kg5 32. Rg7+ Kh6 33. Rg3 { [%CAl Rf8h8]} Kh5 34. Rh8# {Accuracy: White = 49%, Black = 13%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.26"] [White "Dumitreasa, David-Stefan"] [Black "Teerthala, Abhinav"] [Result "0-1"] [ECO "B00"] [BlackElo "1387"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "76"] [EventDate "2020.05.09"] {[%evp 9,76,120,174,103,156,107,139,44,89,18,80,26,74,26,70,19,97,33,81,47,116, 90,171,50,103,70,121,40,117,0,60,-156,92,-480,-453,-562,-504,-516,-487,-612, -615,-728,-725,-781,-781,-781,-781,-781,-778,-777,-763,-800,-788,-800,-800, -844,-835,-866,-854,-874,-875,-870,-869,-1368,-884,-910,-909,-6094,-6094]} 1. e4 b5 2. Nf3 c5 3. Bxb5 a6 4. Bc4 d6 $146 ({Predecessor:} 4... Ra7 5. Ng5 Rb7 6. Bxf7# {1-0 (7) Georgescu,A (1001)-Zamfirescu,D (1001) Calimanesti 2018}) 5. Nc3 e6 6. d3 {[%eval 103,23] B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} (6. d4 $18 {[%eval 174,18]}) 6... Nf6 $16 7. Bg5 {[%eval 107,22]} (7. O-O $142 {[%eval 156,19]}) 7... Be7 8. Bxf6 {[%eval 44,20]} (8. O-O $16 { [%eval 139,23]}) 8... Bxf6 $14 9. Qd2 {[%eval 18,23]} (9. O-O $16 {[%eval 89, 20]}) 9... Nc6 {[%eval 80,21]} (9... O-O $11 {[%eval 18,23]}) 10. O-O $16 O-O 11. h3 {[%eval 26,24]} ({White should try} 11. Bb3 $16 {[%eval 74,20]}) 11... Bb7 {[%eval 70,20]} (11... Qc7 $11 {[%eval 26,24]}) 12. Rab1 {[%eval 19,22]} ( 12. Nh2 $14 {[%eval 70,20]}) 12... h6 {[%eval 97,20]} (12... Qc7 $11 {[%eval 19,22]}) 13. Ne2 {[%eval 33,24]} (13. Nh2 $16 {[%eval 97,20]}) 13... Qc7 $14 14. Ng3 Na5 {[%eval 116,19]} ({Better is} 14... Nd4 $14 {[%eval 47,24]}) 15. Nh5 $16 Be7 {[%eval 171,17]} (15... Bd8 $16 {[%eval 90,25] is a better defense. }) 16. Bb3 {[%eval 50,23]} (16. Qc3 $18 {[%eval 171,17][%csl Gh5][%CAl Rc3g7]} e5 17. Bd5) 16... Nxb3 {[%eval 103,21]} (16... Kh7 $14 {[%eval 50,23]}) 17. axb3 Rfe8 {[%eval 121,21]} (17... f5 $14 {[%eval 70,25]}) 18. Qe3 {[%eval 40, 22]} ({White should play} 18. Ra1 $16 {[%eval 121,21]}) 18... Bf8 {[%eval 117, 22]} (18... a5 $14 {[%eval 40,22]}) 19. d4 {[%eval 0,25]} (19. Ra1 $16 { [%eval 117,22]}) 19... cxd4 {[%eval 60,22]} (19... a5 $11 {[%eval 0,25]}) 20. Qxd4 $2 {[%eval -156,18]} (20. Nxd4 $14 {[%eval 60,22] was the only good move.} Be7 21. Rfd1) 20... Qa5 $2 {[%eval 92,22] [#]} (20... Qxc2 $17 {[%eval -156,18] } 21. Nd2 Rec8) 21. c3 $2 {[%eval -480,19][%mdl 8192]} (21. Ng3 $1 $16 { [%eval 92,22] is necessary to keep the advantage.}) 21... Qxh5 $19 {Black is clearly winning.} 22. Qb4 Qb5 23. Qxb5 axb5 24. Ra1 Bxe4 25. Rxa8 Rxa8 26. Re1 Bxf3 27. gxf3 {[%mdl 4096] Endgame KRB-KR} Ra2 28. Re2 d5 29. Kf1 Bc5 30. Ke1 Ra1+ 31. Kd2 Rh1 32. b4 Bb6 33. h4 Kf8 34. h5 Ke7 35. Re5 Bxf2 36. Ke2 Bb6 37. Kd3 Kd6 38. Re3 Bxe3 {Accuracy: White = 15%, Black = 44%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.27"] [White "Popescu, Alexandru-Mihai"] [Black "Kulish, Sofiia"] [Result "1-0"] [ECO "C41"] [WhiteElo "1360"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "69"] [EventDate "2020.05.09"] {[%evp 9,68,18,68,41,88,-30,100,-16,51,19,763,719,728,737,627,119,152,121,162, 125,180,101,193,168,196,181,202,168,220,170,208,186,245,184,227,166,711,677, 681,698,757,638,818,827,781,510,546,457,545,455,525,510,812,786,1119,1119, 29991,29992,29992,29993,29999]} 1. e4 e5 2. Nf3 d6 3. Bc4 g6 4. Nc3 Bg7 5. d3 Ne7 {[%eval 68,20]} (5... Nf6 $11 {[%eval 18,21]}) 6. Be3 {C41: Philidor Defence.} O-O 7. O-O {[%eval -30,22]} (7. d4 $16 {[%eval 88,20]}) 7... b6 $146 {[%eval 100,20]} (7... Nbc6 $11 {[%eval -30,22] remains equal.}) ({Predecessor: } 7... Bd7 8. h3 Qc8 9. Nd5 Nxd5 10. Bxd5 c6 11. Bb3 Kh8 12. d4 f5 13. exf5 Rxf5 14. dxe5 dxe5 {1-0 (37) Dolgiy,A-Kis,M Ukraine 2010}) 8. Nd5 {[%eval -16, 20]} ({White should try} 8. Qd2 $16 {[%eval 100,20]}) 8... Bb7 {[%eval 51,19]} (8... Nxd5 $1 $11 {[%eval -16,20]} 9. Bxd5 c6) 9. Bg5 $14 f6 $2 {[%eval 763,22] [%mdl 8192]} (9... Bxd5 $11 {[%eval 19,22]} 10. Bxd5 (10. exd5 h6 $11) 10... c6 ) 10. Bxf6 $18 Bxf6 11. Nxf6+ {[%mdl 64] Discovered Attack (Double check)} Kh8 {[#]} 12. Nd5 $2 {[%eval 119,26]} (12. Nxh7 $1 $18 {[%eval 627,18][%mdl 512] is the precise move to win.} Rxf3 (12... Kxh7 13. Ng5+) 13. Qxf3 Kxh7 14. Qf7+ Kh6 15. f4) 12... Nxd5 $16 13. Bxd5 ({Don't do} 13. exd5 $6 c6 $14) 13... Bxd5 {[%eval 162,21]} (13... c6 $16 {[%eval 121,25]}) 14. exd5 $18 Nd7 15. Re1 { [%eval 101,22]} (15. Qe2 $18 {[%eval 180,20]}) 15... Nf6 {[%eval 193,25]} ( 15... g5 $16 {[%eval 101,22] was worth a try.}) 16. c4 Qd7 17. Ng5 c6 18. dxc6 Qxc6 19. b3 Nh5 20. d4 Rae8 {[%eval 245,22]} (20... h6 $142 {[%eval 186,25]}) 21. d5 Qd7 22. Ne6 Rf5 $2 {[%eval 711,20]} (22... Rf7 {[%eval 166,25]} 23. a4 Qe7) 23. g4 $1 {[%csl LRf5,LRh5][%mdl 64] Double Attack} Rf6 24. gxh5 Qf7 25. Qe2 Rg8 26. h6 g5 27. Qe3 Qh5 28. Qe2 Qh4 29. Qe3 Rxh6 30. Qg3 Qh5 {[%eval 812, 21] [#]} (30... Rf6 $142 {[%eval 510,23]} 31. Rac1 Qh5) 31. Rxe5 $1 Rhg6 (31... dxe5 32. Qxe5+) 32. Rf5 {White threatens Qc3+ and mate.} Qh4 33. Qc3+ {White mates.} R6g7 34. Nxg7 Rxg7 35. Rf8# {Accuracy: White = 40%, Black = 39%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.28"] [White "Nyktari, Anna Maria"] [Black "Santimbrean, Mihnea-Nicolae"] [Result "0-1"] [ECO "D30"] [BlackElo "1336"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "70"] [EventDate "2020.05.09"] {[%evp 20,69,87,64,112,88,122,51,128,19,145,56,135,62,84,75,139,38,66,58,208, 187,195,180,195,201,189,189,266,266,372,258,266,160,187,-432,-436,-433,-436, -436,-262,-433,-423,-428,-429,-419,-393,-407,-107,-7568,-7566,-29999]} 1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. g3 c6 5. Qc2 Nbd7 6. Bg2 Bd6 7. O-O O-O 8. Nbd2 h6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Nf6 {[%eval 112,20] E01: Catalan: Early deviations. } (11... e5 $14 {[%eval 64,23]}) 12. Qe2 $16 c5 13. Rd1 {[%eval 51,22]} (13. dxc5 $16 {[%eval 122,21]} Bxc5 14. b3) 13... Qc7 {[%eval 128,21]} (13... cxd4 $1 $14 {[%eval 51,22]} 14. Nxd4 (14. Rxd4 e5 $11) 14... Qe7) 14. b3 $146 { [%eval 19,23]} ({White should play} 14. dxc5 $16 {[%eval 128,21]} Bxc5 15. Bf4) ({Predecessor:} 14. dxc5 Bxc5 15. Bf4 Qb6 16. Ne5 g5 17. Bd2 Bd4 18. Nf3 e5 19. Nxd4 exd4 20. Qd3 {1/2-1/2 (47) Freisler,P (2285)-Sorokina,T (2127) Teplice 2015}) 14... Rd8 {[%eval 145,20]} (14... cxd4 $11 {[%eval 19,23]} 15. Nxd4 a6) 15. Bb2 {[%eval 56,24]} (15. dxc5 $1 $16 {[%eval 145,20]} Qxc5 16. Bf4) 15... Bd7 {[%eval 135,19] [#]} (15... cxd4 $14 {[%eval 56,24]} 16. Bxd4 (16. Nxd4 Bd7 $14) (16. Rxd4 e5 $14) 16... Bd7) 16. Ne5 {[%eval 62,22]} ({White should try} 16. d5 $1 $16 {[%eval 135,19]}) 16... cxd4 $14 17. Bxd4 Be7 {[%eval 139,17]} ( 17... Rac8 $142 {[%eval 75,20]}) 18. Nxd7 {[%eval 38,24]} ({Better is} 18. Qf3 $16 {[%eval 139,17]}) 18... Rxd7 19. Be5 Rxd1+ {[%eval 208,26]} (19... Qa5 $14 {[%eval 58,27]}) 20. Rxd1 $18 Qb6 21. Qf3 $36 {[%mdl 2048] White has strong initiative.} Rd8 22. Rxd8+ Qxd8 23. Qxb7 Qd1+ {[%eval 266,25]} (23... Bc5 $142 {[%eval 189,26]}) 24. Bf1 Nd7 25. Bf4 Bc5 26. Qc8+ Kh7 {[#] aiming for ...Qf3.} 27. Qe8 $4 {[%eval -432,26][%mdl 8192]} (27. Qc6 $1 $18 {[%eval 187,23]}) 27... Qf3 $19 {[%csl Gf3][%CAl Rc5f2]} 28. Be3 Bxe3 29. fxe3 Qxe3+ 30. Kh1 $2 { [%eval -433,29]} (30. Kg2 {[%eval -262,28] was the only defense.} Qe4+ 31. Kf2) 30... Qf3+ 31. Kg1 Ne5 32. Qd8 Qe3+ 33. Kh1 Qf2 $2 {[%eval -107,26]} (33... Qe4+ $19 {[%eval -407,28]} 34. Kg1 Nf3+ 35. Kf2 Nd4) 34. Bd3+ $2 {[%eval -7568, 24][%mdl 8192]} (34. Qd1 $17 {[%eval -107,26]}) 34... g6 {( -> ...Nf3)} 35. Be4 Qf1# {Accuracy: White = 29%, Black = 40%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.29"] [White "Wandor, Adam"] [Black "Nyktaris, Minas"] [Result "1-0"] [ECO "A28"] [WhiteElo "1326"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "81"] [EventDate "2020.05.09"] {[%evp 10,81,31,-4,73,0,22,17,42,14,350,29,68,13,39,0,67,0,75,0,54,-8,269,260, 269,261,294,256,788,805,841,840,979,949,1170,1157,1096,979,1325,865,934,934, 919,917,918,914,969,969,966,916,986,987,2042,2042,1623,1614,1517,1161,5923, 5885,6340,6056,7487,7550,29977,29978,29982,29982,29978,29978,29988,29989,29986, 29986]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d5 5. d4 exd4 6. exd4 Bb4 { [%eval 73,17] [#] C01: French: Exchange Variation.} (6... Be7 $11 {[%eval -4, 20]}) 7. Be2 {[%eval 0,21]} (7. Bd3 $1 $16 {[%eval 73,17]}) 7... Ne4 8. Qc2 Bf5 $1 {White must now prevent ...dxc4.The position is equal.} 9. Bd3 $1 {aiming for 0-0.} Qf6 $146 {[%eval 350,19][%mdl 8192] [#]} (9... Nxc3 $11 {[%eval 14, 24]} 10. bxc3 Bxd3 11. Qxd3 dxc4 12. Qe2+ (12. Qxc4 Bd6 $14) 12... Be7) ({ Predecessor:} 9... Nxc3 10. bxc3 Bxd3 11. Qxd3 dxc4 12. Qxc4 Bd6 13. O-O O-O 14. Re1 Ne7 15. Re4 c6 {0-1 (30) Szczesiak,Z-Stec,F Poland 1996}) 10. Be3 $2 { [%eval 29,23]} ({Weaker is} 10. cxd5 Nxc3 11. dxc6 Bxd3 $11) (10. O-O $1 $18 { [%eval 350,19]} Bxc3 11. bxc3) 10... Nxc3 11. bxc3 Bxd3 12. Qxd3 dxc4 $1 13. Qxc4 Bd6 $1 14. O-O O-O 15. h3 {[%eval -8,22]} (15. Qb3 $14 {[%eval 54,21]}) 15... Rfd8 $2 {[%eval 269,18][%mdl 8192]} (15... a6 $11 {[%eval -8,22] and Black is okay.}) 16. Bg5 $18 {[%mdl 64] Skewer} Qf5 17. Bxd8 Rxd8 18. Rad1 { [%CAl Ba1d1,Bd1e1,Be1e8][%mdl 32]} b5 $2 {[%eval 788,19]} (18... a6 {[%eval 256,23]} 19. Rfe1 h6) 19. Qxc6 Rb8 20. Rfe1 Qc8 21. Re2 Kf8 22. Rde1 g6 23. Ne5 Ra8 24. Qd7 Qxd7 25. Nxd7+ Kg7 26. Re8 Rxe8 27. Rxe8 f5 28. Ra8 Kf7 29. Rxa7 Ke7 30. Nc5 Kd8 31. Nb7+ Kd7 32. Nxd6 Kxd6 {[%mdl 4096] Endgame KR-KP} 33. Kf1 g5 34. Ke2 h5 35. Kf3 Kc6 36. g4 hxg4+ 37. hxg4 {White mates.} f4 38. Ke4 Kb6 39. Ra3 c5 40. dxc5+ Kxc5 41. Kf5 {Accuracy: White = 47%, Black = 35%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.30"] [White "Papadopoulou, Roza Niki"] [Black "Paulet, Elena-Cristiana"] [Result "0-1"] [ECO "B10"] [BlackElo "1308"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "130"] [EventDate "2020.05.09"] {[%evp 9,129,-34,26,-25,0,-58,-24,-65,11,-38,17,-42,30,-78,13,-142,24,-92,-47, -87,-40,-135,-93,-230,-102,-136,-81,-98,-87,-138,-60,-123,-70,-120,-67,-105, -104,-134,-124,-132,-100,-188,-120,-176,-162,-184,-148,-206,-159,-186,-146, -154,-154,-234,-161,-339,-139,-177,-152,-313,-310,-324,-303,-685,-660,-660, -383,-670,-687,-671,-663,-638,-650,-1630,-1629,-6452,-6276,-29979,-29980, -29980,-29981,-29982,-29983,-29982,-29984,-29984,-29985,-29985,-29986,-29986, -29987,-29987,-29988,-29988,-29987,-29990,-29991,-29991,-29992,-29992,-29993, -29994,-29994,-29994,-29993,-29994,-29995,-29995,-29991,-29991,-29992,-29992, -29993,-29995,-29995,-29996,-29997,-29997,-29997,-29998,-29999,-29999]} 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Nc3 Nf6 5. Bb5+ Nc6 {[%eval 26,21]} (5... Bd7 $15 {[%eval -34,22]}) 6. O-O {[%eval -25,22] B10: Caro-Kann: 2 d3 and 2 c4.} (6. Ne5 $142 {[%eval 26,21]}) 6... Bg4 7. d3 {[%eval -58,22]} (7. h3 $11 {[%eval 0, 23]} Bxf3 8. Qxf3) 7... e6 $15 8. h3 {[%eval -65,20]} (8. Bf4 $11 {[%eval -24, 23]}) 8... Bxf3 {[%eval 11,25]} (8... Bh5 $15 {[%eval -65,20]}) 9. Qxf3 $11 Be7 {[%eval 17,23]} (9... Bd6 $15 {[%eval -38,20]}) 10. Ne2 O-O {[%eval 30,23]} ( 10... a6 $15 {[%eval -42,21]} 11. Bxc6+ bxc6) 11. c4 $146 {[%eval -78,19]} (11. Ba4 $11 {[%eval 30,23]}) ({Predecessor:} 11. Bf4 a6 12. Ba4 b5 13. Bb3 Qd7 14. c3 Na5 15. Bc2 b4 16. cxb4 Bxb4 17. Be5 {1-0 (45) Horvath,R (2026)-Zechner,A (1847) Austria 2018}) 11... Rc8 {[%eval 13,23]} (11... Ne5 $17 {[%eval -78,19]} 12. Qe3 Qc7) 12. Qg3 $2 {[%eval -142,18]} (12. Bxc6 $11 {[%eval 13,23]} bxc6 13. b3) 12... Kh8 $2 {[%eval 24,22]} (12... Bd6 $17 {[%eval -142,18]} 13. Qe3 Nb4) 13. cxd5 {[%eval -92,19]} (13. Bxc6 $1 $11 {[%eval 24,22]} bxc6 14. b3) 13... Nxd5 {[%eval -47,21]} (13... Qxd5 $17 {[%eval -92,19]} 14. Nc3 Qf5) 14. d4 Qb6 {[%eval -40,21]} (14... a6 $17 {[%eval -87,19]} 15. Bxc6 Rxc6) 15. Bd3 { [%eval -135,21]} (15. Bxc6 $1 $15 {[%eval -40,21]} Rxc6 16. Qf3) 15... Nxd4 $17 16. Qe5 {[%eval -230,21]} (16. Nxd4 $17 {[%eval -93,21]} Qxd4 17. Rb1) 16... Nxe2+ {[%eval -102,19]} (16... Nc6 $19 {[%eval -230,21] has better winning chances.} 17. Qe4 Nf6) 17. Qxe2 Nf6 {[%eval -81,25]} (17... h6 $142 {[%eval -136,19]} 18. b3 Rfd8) 18. Be3 Bc5 19. Bg5 {[%eval -138,20]} ({Better is} 19. Bf4 {[%eval -87,24]}) 19... Be7 {[%eval -60,23]} ({Black should try} 19... Bd4 $17 {[%eval -138,20]} 20. Rac1 (20. Bxf6 Bxf6 21. Be4 Bd4 $17) 20... h6) 20. Qf3 {[%eval -123,20]} (20. Rac1 $15 {[%eval -60,23]}) 20... Qc6 {[%eval -70,25] } (20... Nd5 $17 {[%eval -123,20]} 21. Bxe7 Nxe7) 21. Qe2 {[%eval -120,21]} ({ White should play} 21. Qxc6 $15 {[%eval -70,25]} Rxc6 22. Rfc1) 21... Nd5 { [%eval -67,23]} (21... Qd5 $17 {[%eval -120,21]} 22. Bh4 Rfd8) 22. Qh5 { [%csl Gd3][%CAl Rh5h7] [#]} g6 23. Qh6 Bxg5 24. Qxg5 Qd6 25. Rae1 {[%eval -188, 23]} (25. Rad1 $17 {[%eval -100,25] might work better.}) 25... Qf4 {[%eval -120,25]} (25... Kg7 $19 {[%eval -188,23]} 26. Be4 Rfd8) 26. Qe5+ {[%eval -176, 21]} (26. h4 $17 {[%eval -120,25]}) 26... Qxe5 $19 27. Rxe5 Rfd8 28. Rfe1 { [%eval -206,22]} (28. Be4 $17 {[%eval -148,23] keeps fighting.}) 28... Nb4 29. Bb1 Nd3 30. Bxd3 Rxd3 $17 {[%mdl 4096] Endgame KRR-KRR} 31. Ra5 {[%eval -234, 24]} (31. R5e3 $17 {[%eval -154,26]} Rd7 32. R1e2) 31... a6 32. Kf1 $2 { [%eval -339,24]} (32. Re2 {[%eval -161,25]}) 32... Rcd8 {[%eval -139,25]} ( 32... Rc2 $19 {[%eval -339,24] is more deadly. aiming for ...Rdd2.} 33. Rae5 Rxb2) 33. Rae5 Rd2 34. b3 $2 {[%eval -313,23]} (34. R5e2 $17 {[%eval -152,29]}) 34... Rxa2 $19 35. R5e2 Rxe2 36. Rxe2 $2 {[%eval -685,20] KR-KR} (36. Kxe2 { [%eval -303,26]} Kg7 37. Rc1) 36... Rd1+ 37. Re1 Rxe1+ 38. Kxe1 {KP-KP} Kg7 39. Ke2 Kf6 40. Ke3 Ke5 41. Kf3 Kd4 42. Ke2 Kc3 43. f4 Kxb3 {Black mates.} 44. Ke3 a5 45. Ke4 a4 46. Ke5 a3 47. Kf6 a2 48. Kxf7 a1=Q 49. Kxe6 Qe1+ 50. Kf6 Qh4+ 51. Ke5 Qe7+ 52. Kd5 Kc3 53. h4 b5 54. g4 b4 55. f5 gxf5 56. gxf5 Qxh4 57. Ke5 b3 58. f6 {[#]} Qxf6+ $1 {[%mdl 64] Promotion} 59. Kxf6 {KP-KP} b2 60. Kg7 b1=Q 61. Kh8 Qg1 62. Kxh7 Kd4 63. Kh8 Ke5 64. Kh7 Kf6 {[%csl Gf6][%CAl Rg1g7]} 65. Kh6 Qg6# {Accuracy: White = 28%, Black = 43%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.31"] [White "Tarchanidis, Nikolaos Christos"] [Black "Platschek, Luca"] [Result "1-0"] [ECO "A31"] [WhiteElo "1262"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "77"] [EventDate "2020.05.09"] {[%evp 9,77,17,130,67,123,49,118,40,102,-9,74,-4,60,-12,50,-43,109,79,110,59, 170,87,121,66,193,99,317,196,209,14,24,-15,18,-13,48,2,207,62,112,-362,-342, -356,-349,-356,-352,-435,0,-491,-479,-622,-612,-612,244,197,763,773,784,787, 825,805,874,887,913,850,929,897,925,932,1458,1453]} 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 d6 5. Bg2 Bf5 {[%eval 130,19] [#]} (5... Be7 $11 {[%eval 17,22]}) 6. O-O {[%eval 67,23] A22: English Opening: 1...e5 2 Nc3 Nf6.} (6. d4 $1 $16 { [%eval 130,19]}) 6... Be7 {[%eval 123,16]} (6... h6 $14 {[%eval 67,23]}) 7. d3 {[%eval 49,21]} (7. d4 $16 {[%eval 123,16]}) 7... Qc7 {[%eval 118,18]} (7... Nfd7 $14 {[%eval 49,21]}) 8. Bd2 $146 {[%eval 40,23]} (8. e4 $16 {[%eval 118, 18]} Be6 9. b3) ({Predecessor:} 8. Rb1 a5 9. a3 O-O 10. h3 Bd7 11. e4 Na6 12. Be3 Qc8 13. Kh2 h6 14. Na4 {1-0 (35) Torre Mayo,J-Cuenya de la Iglesia,C Valladolid 1981}) 8... O-O {[%eval 102,20]} (8... Nfd7 $14 {[%eval 40,23]}) 9. Qc2 {[%eval -9,22]} (9. Nh4 $16 {[%eval 102,20]} Be6 10. e4) 9... Nbd7 { [%eval 74,19]} (9... a5 $11 {[%eval -9,22]}) 10. Rfc1 {[%eval -4,23]} (10. e4 $16 {[%eval 74,19]} Bg6 11. Nh4) 10... Rfe8 {[%eval 60,20]} (10... Rfc8 $11 { [%eval -4,23]}) 11. Rab1 {[%eval -12,23]} ({White should play} 11. Nh4 $14 { [%eval 60,20]} Be6 12. a3) 11... Rac8 {[%eval 50,20]} ({Black should try} 11... Nf8 $11 {[%eval -12,23]}) 12. b4 {[%eval -43,21]} (12. Nd1 $14 {[%eval 50,20]}) 12... b5 $2 {[%eval 109,20]} (12... d5 $15 {[%eval -43,21]}) 13. cxb5 cxb5 14. Qb2 {[%eval 59,25]} (14. Qb3 $16 {[%eval 110,21]}) 14... a6 {[%eval 170,22]} ( 14... Qb8 $14 {[%eval 59,25]}) 15. Nxb5 {[%eval 87,23]} (15. Qa3 $18 {[%eval 170,22]}) 15... Qb6 16. Nc3 {[%eval 66,22]} (16. Na3 $16 {[%eval 121,23]}) 16... Rb8 {[%eval 193,19]} (16... d5 $1 $14 {[%eval 66,22]}) 17. a3 {[%eval 99, 21]} (17. e4 $18 {[%eval 193,19]} Be6 18. Be3) 17... Nc5 $2 {[%eval 317,20]} ( 17... d5 $16 {[%eval 99,21]}) 18. Qa1 Ne6 {[%CAl Bc5e6,Be6d4,Bd4e2][%mdl 32]} 19. Nh4 $2 {[%eval 14,23]} ({Better is} 19. a4 $18 {[%eval 209,21]}) 19... Ng4 $11 {White must now prevent ...Bxh4.} 20. Rf1 Bxh4 $1 21. gxh4 Rbc8 {[%eval 48, 20]} (21... Qd8 $11 {[%eval -13,22]} 22. h3 Nf6) 22. Nd5 {[%eval 2,21]} (22. h3 $14 {[%eval 48,20] deserves consideration.} Nf6 23. e4) 22... Qd4 $2 {[%eval 207,23]} (22... Qd8 $1 $11 {[%eval 2,21]}) 23. Qxd4 {[%eval 62,21]} (23. Rbc1 $18 {[%eval 207,23]} Qxa1 24. Rxc8 (24. Rxa1 Nd4 $11) 24... Rxc8 25. Rxa1) 23... Nxd4 $14 {[#]} 24. Nc3 $2 {[%eval -362,20][%mdl 8192] [#]} (24. e4 $1 $16 {[%eval 112,25][%CAl Re4f5] and life is bright.} Be6 25. Ne3) 24... Rxc3 $1 $19 {[%mdl 576] Remove Defender, Decoy} 25. Bxc3 Nxe2+ {[%mdl 64] Double Attack} 26. Kh1 Nxc3 27. Rb3 Bxd3 $2 {[%eval 0,24]} (27... Ne2 $19 {[%eval -435,22] Hoping for ...Rc8.} 28. Bb7 Nd4) 28. Re1 $2 {[%eval -491,21][%mdl 8192]} (28. Rxc3 $11 {[%eval 0,24] and White stays safe.} Bxf1 29. Bxf1) 28... Ne2 { [%CAl Rg4f2]} 29. Bf1 Be4+ 30. f3 Bxf3+ $4 {[%eval 244,23][%mdl 8192]} (30... Nd4 $19 {[%eval -612,23] and life is good for Black.} 31. Rc3 Bxf3+ 32. Bg2 Be2 ) 31. Rxf3 $18 Nf4 $2 {[%eval 763,19] [#]} (31... Nd4 {[%eval 197,20]} 32. Rc3 Nf6) 32. Rxf4 $1 {[%mdl 576] Pin. White is clearly winning.} Nf6 (32... exf4 33. Rxe8#) 33. Rf2 Ng4 34. Rd2 Rd8 35. Bxa6 g6 36. Bc4 Ra8 37. Ra1 Ne3 38. Bd5 Nf5 39. Bxa8 {Accuracy: White = 20%, Black = 21%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.32"] [White "Raduinea, Cristina-Alexandra"] [Black "Datcu, Adrian-Iulian"] [Result "0-1"] [ECO "D00"] [BlackElo "1258"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "170"] [EventDate "2020.05.09"] {[%evp 9,169,-11,41,-28,113,50,72,9,67,-39,6,-81,20,-57,-50,-101,20,-9,303, -186,0,-349,-346,-342,-56,-59,235,93,161,0,49,0,244,250,267,-347,-341,-361, -350,-722,-237,-298,-173,-220,-176,-288,-79,-103,-84,-96,-72,-124,-115,-148, -76,-161,-9,-37,-30,-88,-9,-108,35,-71,0,-73,0,-55,0,-143,0,-145,46,-18,0,-62, 35,0,185,122,146,60,52,0,0,0,67,65,242,211,424,397,389,-886,-746,-863,-821, -29991,-973,-29996,-29992,-29998,-916,-29993,-29993,-29993,-29994,-29996,-761, -29997,-760,-1446,-1436,-1625,-1471,-2405,-2561,-7030,-3306,-29982,-29983, -29981,-29984,-7273,-7001,-29984,-29985,-29986,-29987,-29987,-29988,-29988, -29987,-29988,-29989,-29992,-29988,-29990,-29990,-29990,-29991,-29991,-29992, -29992,-29993,-29993,-29994,-29995,-29994,-29994,-29995,-29995,-29996,-29996, -29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. d4 d5 2. Nc3 Bf5 3. Bf4 c6 4. f3 Nf6 5. Qd2 e6 {[%eval 41,17]} (5... Bg6 $11 {[%eval -11,23]}) 6. O-O-O {[%eval -28,23] D00: 1 d4 d5: Unusual lines.} (6. g4 $14 {[%eval 41, 17]} Bg6 7. h4) 6... Bd6 {[%eval 113,20]} (6... Bg6 $11 {[%eval -28,23]}) 7. Bxd6 $146 {[%eval 50,21]} (7. g4 $16 {[%eval 113,20]}) ({Predecessor:} 7. g4 Bg6 8. h4 h5 9. g5 Ng8 10. Nh3 Ne7 11. e4 O-O 12. a3 b5 13. Qh2 Bxf4+ 14. Nxf4 {0-1 (27) Sliwicki,D (2045)-Walaszczyk,W (2155) Szczyrk 2014}) 7... Qxd6 $14 8. e3 {[%eval 9,23]} (8. Kb1 $16 {[%eval 72,20]}) 8... Nbd7 {[%eval 67,20]} (8... h5 $11 {[%eval 9,23]}) 9. Bd3 {[%eval -39,24]} (9. g4 $14 {[%eval 67,20]} Bg6 10. h4) 9... Bxd3 $15 10. Qxd3 {[%eval -81,21]} (10. cxd3 $11 {[%eval 6,22]} O-O 11. Kb1) 10... Rb8 {[%eval 20,21]} (10... Nb6 $17 {[%eval -81,21]}) 11. Nge2 {[%eval -57,19]} (11. e4 $11 {[%eval 20,21]}) 11... b5 12. e4 {Black should prevent e5.} dxe4 {[%eval 20,20]} ({Black should play} 12... Qc7 $1 $17 {[%eval -101,20]}) 13. fxe4 {And now e5 would win.} Qc7 $2 {[%eval 303,21] [%mdl 8192]} (13... e5 $11 {[%eval -9,22]}) 14. d5 $4 {[%eval -186,23][%mdl 8192]} (14. e5 $18 {[%eval 303,21]}) 14... b4 $2 {[%eval 0,23]} (14... Nc5 $19 {[%eval -186,23]} 15. Qe3 Qb6) 15. d6 $2 {[%eval -349,21][%mdl 8192]} (15. dxe6 $11 {[%eval 0,23] and White has nothing to worry.} Ne5 16. Qg3) 15... Qa5 $19 16. Nb1 Qg5+ $2 {[%eval -56,21]} ({Less strong is} 16... Qxa2 17. Nd4 $17) ( 16... O-O $19 {[%eval -342,19]} 17. Nd4 Ne5) 17. Nd2 $15 Rg8 $2 {[%eval 235,19] [%mdl 8192]} (17... Ne5 $1 $15 {[%eval -59,23]} 18. Qg3 Qxg3 19. Nxg3 Nfg4) 18. Rhg1 {[%eval 93,23]} (18. Rhf1 $18 {[%eval 235,19] has better winning chances.} ) 18... Nc5 $16 19. Qc4 {[%eval 49,23]} (19. Qd4 $18 {[%eval 161,19]}) 19... Nfxe4 $1 $14 20. Nd4 $1 {White wants to play d7+.} Nxd2 $2 {[%eval 244,22]} ( 20... Nxd6 $11 {[%eval 0,23] and Black stays safe.} 21. Qe2 Qd5) 21. Rxd2 $18 Qd5 {[#]} 22. Qxd5 $4 {[%eval -347,19][%mdl 8192]} (22. d7+ $1 $18 {[%eval 267, 24][%mdl 512] is the narrow road to win.} Nxd7 23. Qxc6 Qxc6 24. Nxc6) 22... cxd5 $19 23. Nc6 Rb6 24. Nxa7 $2 {[%eval -722,19]} (24. Nd4 {[%eval -350,25]}) 24... Rxd6 $2 {[%eval -237,23]} (24... Kd7 {[%eval -722,19]} 25. Rd4 Rb7) 25. Nb5 Rd7 {[%eval -173,25]} (25... Rb6 $142 {[%eval -298,17]} 26. c4 Ke7) 26. Re1 {[%eval -220,21]} (26. Rd4 $142 {[%eval -173,25]}) 26... Ke7 27. Nd4 {[%eval -288,21]} (27. Rd4 {[%eval -176,23] is a better defense.}) 27... g6 $2 { [%eval -79,21]} (27... Rb7 $19 {[%eval -288,21] and Black stays clearly on top. } 28. Kb1 Ra8) 28. Nc6+ $17 Kd6 29. Nxb4 Rb7 30. Nd3 {[%eval -124,21]} (30. a3 $142 {[%eval -72,26]}) 30... Ne4 31. Rdd1 Rgb8 {[%eval -76,25] [#]} (31... f5 $142 {[%eval -148,22]} 32. c3 Rc8) 32. Rf1 {[%eval -161,22]} (32. Rxe4 $1 $17 { [%eval -76,25][%mdl 512] was called for.} dxe4 33. Nb4+ Kc7 34. Na6+ Kc6 35. Nxb8+ Rxb8 36. b3) 32... Nc5 $2 {[%eval -9,23]} (32... f5 $19 {[%eval -161,22]} 33. c3 Rc8) 33. Nxc5 $11 Kxc5 {[%mdl 4096] Endgame KRR-KRR} 34. b3 Ra8 { [%eval -9,23]} (34... f5 $17 {[%eval -88,23]}) 35. a4 {[%eval -108,22]} (35. Kb2 $11 {[%eval -9,23] keeps the balance.}) 35... Raa7 {[%eval 35,25]} (35... f5 $1 $17 {[%eval -108,22]}) 36. h4 {[%eval -71,20]} (36. Rde1 $14 {[%eval 35, 25] keeps the upper hand.}) 36... Rb4 {[%eval 0,26]} (36... f5 $17 {[%eval -71, 20]}) 37. g3 {[%eval -73,20]} (37. Rf6 $1 $11 {[%eval 0,26]}) 37... Rg4 { [%eval 0,29]} (37... f5 $17 {[%eval -73,20]}) 38. Rf3 {[%eval -55,21]} (38. Rd3 $11 {[%eval 0,29]}) 38... f5 {[%eval 0,24]} (38... Rb7 $15 {[%eval -55,21]}) 39. Rdd3 {[%eval -143,20]} (39. Re3 $11 {[%eval 0,24]}) 39... Kd6 {[%eval 0,25] } (39... e5 $17 {[%eval -143,20]} 40. Rd1 e4 41. Rc3+ Kd6) 40. Kb2 {[%eval -145,21]} (40. Rf4 $11 {[%eval 0,25] remains equal.}) 40... Rb4 $2 {[%eval 46, 23]} (40... e5 $17 {[%eval -145,21] aiming for ...e4.} 41. Rd1 e4) 41. Ka3 { [%eval -18,21]} (41. c4 $1 $14 {[%eval 46,23]}) 41... Re4 42. c3 {[%eval -62, 20]} (42. Rf1 $11 {[%eval 0,25]}) 42... Ke7 {[%eval 35,25]} ({Better is} 42... e5 $15 {[%eval -62,20]}) 43. b4 $14 Rc4 $2 {[%eval 185,22]} (43... h6 $11 { [%eval 0,27]}) 44. a5 {[%eval 122,26]} (44. Rd4 $18 {[%eval 185,22]}) 44... Kd6 {[#]} 45. Ka4 {[%eval 60,25]} (45. Rf4 $1 $16 {[%eval 146,21][%CAl Rf4c4] Hoping for Rxc4.} Re4 46. Rxe4 fxe4 47. Rd1) 45... e5 {White must now prevent . ..e4.} 46. Rd1 {[%eval 0,27]} ({White should try} 46. Rf1 $1 $14 {[%eval 52,24] }) 46... e4 $11 47. Re3 Rac7 {[%eval 67,21]} (47... Ra8 $11 {[%eval 0,27]}) 48. a6 $1 $14 Rc8 $2 {[%eval 242,21] [#]} ({Avoid the trap} 48... Rxc3 $2 49. Rxc3 Rxc3 50. a7 $18) (48... h6 $14 {[%eval 65,26]}) 49. Ka5 $1 $18 Ra8 $2 {[%eval 424,23]} (49... Rxc3 50. Rxc3 Rxc3 51. Kb6) (49... h6 {[%eval 211,25]} 50. b5 R4c7) 50. b5 Rc5 51. Kb6 $4 {[%eval -886,24][%mdl 8192]} (51. Rd4 $18 {[%eval 389,24]}) 51... Rb8+ $19 52. Ka7 Rbxb5 53. Ka8 Ra5 {[%eval -973,23]} (53... Kc7 $142 {[%eval -32749,31]} 54. Rxe4 dxe4 55. c4 Rxc4 56. g4 Ra5 57. Rd6 Kxd6 58. Kb7 Rb4+ 59. Ka7 fxg4 60. h5 gxh5 61. Ka8 Rxa6#) 54. a7 Rc7 55. Kb8 Raxa7 { [%eval -916,20]} (55... Rb5+ $142 {[%eval -32763,41]} 56. Ka8 Rc8#) 56. c4 Rcb7+ 57. Kc8 Rg7 {[%CAl Rg7g8]} 58. Kb8 Ra5 {[%eval -761,23]} (58... Rab7+ $142 {[%eval -32759,57]} 59. Ka8 Kc7 60. Rxd5 Rg8+ 61. Rd8 Rxd8#) 59. cxd5 Rxd5 {[%eval -760,24]} (59... Rg8+ $142 {[%eval -32761,62]} 60. Kb7 Raa8 61. Rh1 Rgb8#) 60. Rxd5+ Kxd5 {KR-KR} 61. Rb3 Kc4 62. Rb1 e3 63. Kc8 Kd3 {[%eval -3306, 25]} (63... e2 $142 {[%eval -7030,24]} 64. Ra1 Re7) 64. Kd8 e2 65. Ke8 Ra7 66. Kd8 Ra2 67. Ke8 Kd2 {Black mates.} 68. Kf7 e1=Q 69. Rxe1 Kxe1 {KR-KPP} 70. Kg7 Ra7+ 71. Kh6 Kf2 72. g4 Ra4 73. Kxh7 Rxg4 74. Kh6 Rxh4+ 75. Kxg6 {KR-K} f4 76. Kg5 Kg3 77. Kf5 f3 78. Kg5 Rg4+ 79. Kf5 f2 80. Ke5 f1=Q 81. Ke6 Re4+ 82. Kd5 Qd3+ 83. Kc6 Rc4+ 84. Kb5 Qb3+ 85. Ka5 Ra4# {Accuracy: White = 22%, Black = 30%.} 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.33"] [White "Strajan, Andrei-Mihai"] [Black "Sarba, Marisa-Alexandra"] [Result "1-0"] [ECO "A40"] [WhiteElo "1255"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "95"] [EventDate "2020.05.09"] {[%evp 10,94,114,49,82,34,92,1,44,12,45,-40,85,-10,52,43,82,60,82,0,124,38,179, 90,481,441,686,637,666,566,765,663,665,660,651,647,906,901,898,887,935,951, 1150,1138,1083,433,456,437,429,423,451,272,284,264,314,268,723,386,606,445,429, 424,382,119,377,340,874,684,885,860,29995,29996,29996,29995,29996,29994,29994, 29994,29995,29995,29995,29996,29996,29997,29997,29998,29999]} 1. d4 e5 2. d5 d6 3. c4 Nf6 4. Nc3 c6 5. e4 Be7 6. Be2 {[%eval 49,24]} (6. Bd3 $16 {[%eval 114, 18]}) 6... O-O {A53: Old Indian Defence without Nf3.} 7. Nf3 Na6 {[%eval 92,21] } (7... Bg4 $14 {[%eval 34,22]}) 8. Bd2 $146 {[%eval 1,23]} (8. O-O $16 { [%eval 92,21]}) ({Predecessor:} 8. O-O Bd7 9. b3 Nc5 10. Nd2 a5 11. Re1 Qb8 12. Ba3 Qa7 13. Rc1 Rab8 14. h3 {1-0 (38) Postny,E (2616)-Tratar,M (2463) Lienz 2007}) 8... Nc5 {[%eval 44,21]} (8... Bg4 $11 {[%eval 1,23]}) 9. Qc2 Bg4 10. O-O {[%eval -40,25]} (10. b4 $14 {[%eval 45,21]} Ncd7 11. h3) 10... h6 { [%eval 85,21]} (10... cxd5 $15 {[%eval -40,25] keeps the upper hand.} 11. exd5 Qc8) 11. Rfe1 {[%eval -10,22]} (11. h3 $16 {[%eval 85,21]} Bh5 12. b4) 11... a6 {[%eval 52,19]} ({Black should play} 11... cxd5 $11 {[%eval -10,22]} 12. cxd5 Rc8) 12. h3 Bh5 13. b4 Ncd7 14. a4 {[%eval 0,23]} (14. dxc6 $16 {[%eval 82,19]} bxc6 15. Rab1) 14... Nb6 {[%eval 124,22]} (14... cxd5 $11 {[%eval 0,23] keeps the balance.} 15. Nxd5 (15. exd5 Bxf3 16. Bxf3 Rc8 $11) 15... Nxd5 16. cxd5 ( 16. exd5 Bg6 $11) 16... Bg6) 15. a5 {[%eval 38,23]} (15. g4 $16 {[%eval 124,22] } Bg6 16. dxc6 bxc6 17. a5) 15... Nbd7 {[%eval 179,20] [#]} (15... Bxf3 $1 $14 {[%eval 38,23]} 16. gxf3 Nbd7) 16. Be3 {[%eval 90,24]} (16. dxc6 $1 $18 { [%eval 179,20]} bxc6 17. Nh4) 16... b6 $2 {[%eval 481,20][%mdl 8192]} (16... cxd5 $16 {[%eval 90,24] is tougher.} 17. exd5 Rc8) 17. dxc6 $18 Nb8 {[%eval 686,20]} (17... bxa5 $142 {[%eval 441,23]} 18. Rxa5 Nb8) 18. Bxb6 Qc8 19. c7 Nc6 20. Nd5 Nxd5 21. cxd5 Na7 22. Rac1 Qb7 23. Bxa7 Qxa7 24. Qc6 Rfc8 25. Qd7 Kf8 26. Rc6 Qb7 27. Rb6 {[%eval 433,21]} (27. Rec1 $142 {[%eval 1083,21]} Ra7 { [#]} 28. Nh4 $1 {[%mdl 576] Promotion}) 27... Qxc7 28. Qxc7 Rxc7 29. Bxa6 Bd8 30. b5 Bxf3 31. gxf3 ({Not} 31. Rxd6 Ke7 $16) 31... Rc3 32. Rxd6 Rxf3 $2 { [%eval 723,23]} (32... Ke7 {[%eval 268,28]}) 33. Kg2 Ra3 {[%eval 606,24]} ( 33... Rb3 $142 {[%eval 386,25]} 34. Ra1 Ke7) 34. Bb7 Bxa5 35. Bxa8 Bxe1 { [%mdl 4096] Endgame KRB-KRB} 36. Ra6 $2 {[%eval 119,29]} (36. Bc6 $18 {[%eval 382,21] is more deadly.}) 36... Rb3 $2 {[%eval 377,24][%mdl 8192]} (36... Bb4 $16 {[%eval 119,29] is a better defense.}) 37. b6 {Threatens to win with d6.} Ke8 $2 {[%eval 874,22]} (37... Bb4 {[%eval 340,27]} 38. Bc6 Bd6) 38. b7 Kd8 39. Rc6 Rc3 40. b8=Q+ {[%mdl 64] Double Attack. White mates.} Ke7 41. Qb4+ Kd7 42. Rxc3 Bxc3 43. Qxc3 Ke7 44. Qxe5+ Kf8 45. d6 Kg8 46. d7 Kh7 47. d8=Q Kg6 48. Qf5# {Accuracy: White = 38%, Black = 17%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.34"] [White "Shaurya, Naithani"] [Black "Eisler, Darius"] [Result "1-0"] [ECO "B48"] [BlackElo "1250"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "93"] [EventDate "2020.05.09"] {[%evp 17,92,0,93,-35,25,-17,50,-63,-10,-185,-5,-216,-149,-273,-96,-120,-80, -144,-71,-97,-22,-157,-39,-28,20,2,134,39,65,52,112,8,54,43,48,10,180,30,231, 125,218,-98,-54,-110,101,63,238,230,272,0,123,0,459,420,6376,6366,1702,1223, 1223,1223,1223,1223,1213,1195,1174,1164,1156,1136,29994,29995,29997,29997, 29997,29998,29998,29999,29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. a3 Be7 9. O-O O-O {[%eval 93,19]} (9... d5 $11 {[%eval 0,23]}) 10. Re1 {[%eval -35,23] B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} (10. f4 $16 {[%eval 93,19]}) 10... d6 {[%eval 25,20]} ( 10... Rd8 $15 {[%eval -35,23]}) 11. h3 {[%eval -17,23]} (11. Qd2 $142 {[%eval 25,20]}) 11... b5 {[%eval 50,22]} (11... Rd8 $11 {[%eval -17,23]}) 12. Bf3 $146 {[%eval -63,21]} (12. Nxc6 $14 {[%eval 50,22]} Qxc6 13. Bf3) ({Predecessor:} 12. Qd2 Bb7 13. Bf3 Rac8 14. Rab1 Rfd8 15. Re2 d5 16. exd5 Nxd5 17. Nxd5 exd5 18. c3 {0-1 (63) Desai,A-Tin,J Chiangmai 2013}) 12... Bb7 {[%eval -10,21]} ( 12... Ne5 $15 {[%eval -63,21]}) 13. Rc1 $2 {[%eval -185,18]} (13. Nxc6 $11 { [%eval -10,21]} Bxc6 14. Bf4) 13... Rac8 $2 {[%eval -5,21]} (13... Ne5 $19 { [%eval -185,18]} 14. Ra1 Rac8) 14. Re2 $2 {[%eval -216,20]} (14. Nxc6 $11 { [%eval -5,21]} Bxc6 15. Bf4) 14... Ne5 15. Bf4 {[%eval -273,20]} (15. Re1 $17 { [%eval -149,23]}) 15... Nxf3+ $2 {[%eval -96,21]} (15... Nc4 $19 {[%eval -273, 20] and Black stays clearly on top.} 16. b3 Nb2) 16. Nxf3 $17 Rfd8 17. Qe1 { [%eval -144,20]} ({White should play} 17. Re3 {[%eval -80,22]}) 17... Qd7 { [%eval -71,23]} (17... Nd7 $142 {[%eval -144,20]} 18. Rd1 Nb6) 18. Rd1 Qe8 { [%eval -22,25]} (18... h6 $17 {[%eval -97,21]}) 19. Re3 {[%eval -157,19]} (19. Bg5 $11 {[%eval -22,25] keeps the balance.}) 19... d5 {[%eval -39,23]} (19... a5 $1 $17 {[%eval -157,19]} 20. Bg5 b4 21. axb4 axb4) 20. e5 $15 Nd7 {[%eval 20,19]} (20... Ne4 {[%eval -28,23] was preferrable.}) 21. Nd4 $11 Bc5 {[%eval 134,21]} (21... Kh8 $11 {[%eval 2,25]}) 22. Rg3 {[%eval 39,24]} ({Better is} 22. Bg5 $16 {[%eval 134,21]}) 22... Bxd4 23. Rxd4 Rc4 {[%eval 112,23]} ({ Black should try} 23... Rc7 $14 {[%eval 52,24]}) 24. Qd1 {[%eval 8,23]} (24. Bh6 $16 {[%eval 112,23]} Rxd4 25. Rxg7+ Kh8 26. Rg3) 24... Nf8 {[%eval 54,23]} (24... Kh8 $11 {[%eval 8,23]}) 25. Bg5 ({Reject} 25. Rxc4 dxc4 26. Qg4 Ng6 $15) 25... Rdc8 26. h4 Qc6 $2 {[%eval 180,21]} (26... Rxd4 $1 $11 {[%eval 10,25]} 27. Qxd4 h5) 27. Rxc4 {[%eval 30,24]} (27. h5 $1 $18 {[%eval 180,21]}) 27... dxc4 $2 {[%eval 231,21]} (27... Qxc4 $11 {[%eval 30,24] and Black has nothing to worry.} 28. h5 Nd7) 28. Qg4 {[%eval 125,24]} (28. h5 $18 {[%eval 231,21]}) 28... Ng6 {[%eval 218,26]} (28... Qc5 $16 {[%eval 125,24]}) 29. Bf6 $2 { [%eval -98,22]} (29. Be3 $18 {[%eval 218,26]}) 29... gxf6 $17 30. exf6 { [%eval -110,27]} (30. h5 $15 {[%eval -54,25]}) 30... Kh8 $2 {[%eval 101,23]} ( 30... Qd6 $1 $17 {[%eval -110,27]} 31. h5 {[%mdl 64] Pin} Rc5) 31. h5 $16 Rg8 $2 {[%eval 238,23]} (31... Kg8 $14 {[%eval 63,26]}) 32. hxg6 $18 Rxg6 {[#]} 33. Qh4 $2 {[%eval 0,26]} (33. Qf4 $1 $18 {[%eval 272,23] Intending Rxg6 and mate.} e5 34. Qxe5) 33... Kg8 {[%eval 123,21]} (33... e5 $1 $11 {[%eval 0,26]}) 34. Ne2 $40 {[%eval 0,24][%mdl 128] White is up to no good.} (34. Qf4 $16 {[%eval 123,21]}) 34... Qe4 $2 {[%eval 459,21][%mdl 8192] [#]} (34... e5 $1 $11 { [%eval 0,24]}) 35. Nf4 $1 {[%CAl Rf4g6]} Rxg3 {[%eval 6376,26]} (35... Qe1+ $142 {[%eval 420,27]} 36. Kh2 Qe5 37. Nxg6 fxg6 38. f7+ {[%mdl 64] Deflection, Decoy} Kxf7 39. Qxh7+ {[%mdl 64] Double Attack} Qg7) 36. Qxg3+ Kf8 37. Qg7+ Ke8 38. Qg8+ Kd7 39. Qxf7+ Kd6 40. Qg8 Kd7 41. f7 Qxf4 42. f8=Q Qc1+ 43. Kh2 { White mates.} Qf1 44. Qff7+ {[%mdl 64] Double Attack} Kc6 45. Qxe6+ Kc5 46. Qg5+ Kd4 47. Qee3# {Accuracy: White = 31%, Black = 21%.} 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.35"] [White "Burja-Udrea, Razvan-Andrei"] [Black "Stanescu, David-Stefan"] [Result "1-0"] [ECO "B33"] [WhiteElo "1246"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "77"] [EventDate "2020.05.09"] {[%evp 18,76,66,35,92,0,44,-14,55,7,55,-30,1335,1328,1384,1330,1500,1454,1501, 1325,1442,1413,1615,1614,1763,1752,2136,1574,1585,1576,1959,1950,1932,1923, 2033,2023,2131,2107,2203,2194,2588,2634,2547,2368,29986,29988,29987,29988, 29994,29995,29995,29995,29995,29996,29996,29995,29995,29996,29996,29997,29999] } 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nf6 8. O-O O-O 9. Qd2 Nxd4 10. Bxd4 ({Reject} 10. Qxd4 Ng4 $15) 10... Qa5 {[%eval 92, 18] B73: Sicilian Dragon: Classical System without 9 Nb3.} (10... Bd7 $14 { [%eval 35,21]}) 11. Be3 {[%eval 0,24]} ({White should play} 11. Rad1 $16 { [%eval 92,18]}) 11... Bg4 {[%eval 44,20]} (11... Bd7 $11 {[%eval 0,24] deserves consideration.}) 12. f3 {[%eval -14,20]} (12. Bd3 $14 {[%eval 44,20]}) 12... Bd7 {[%eval 55,20]} (12... Be6 $11 {[%eval -14,20]}) 13. Bd3 $146 { [%eval 7,22]} (13. Bc4 $14 {[%eval 55,20]}) ({Predecessor:} 13. Rad1 Rfc8 14. Bd4 Rc7 15. Nd5 Qxd2 16. Rxd2 Nxd5 17. Bxg7 Ne3 18. Bd4 Nxf1 19. Kxf1 f6 20. Kf2 b5 21. c3 Kf7 22. Ke3 e5 {0-1 (21) Blednov,S (2483)-Pilavov,G (2605) Cherkessk 2014}) 13... Rfc8 {[%eval 55,18]} (13... Be6 $11 {[%eval 7,22] was preferrable.}) 14. Ne2 {[%eval -30,22]} ({White should try} 14. h3 $14 { [%eval 55,18]}) 14... h5 $2 {[%eval 1335,17][%mdl 8192]} (14... Qxd2 $11 { [%eval -30,22]} 15. Bxd2 Bc6) 15. Qxa5 $18 b6 16. Qd2 d5 17. exd5 Nxd5 18. c3 e6 19. Bd4 Bf8 20. Be4 Bc6 21. Qg5 Rd8 22. Bxd5 Rxd5 23. Qf6 {[%csl Gd4][%CAl Rf6h8]} e5 24. Qxc6 {[%mdl 64] [#] Double Attack} Rad8 25. Be3 Bg7 26. Qa4 Rd3 27. Rad1 b5 28. Qc2 R3d7 29. Rxd7 Rxd7 30. Rd1 Rc7 31. Qd3 {White mates.} Rc8 32. Qxb5 Rb8 33. Qxb8+ {[%mdl 64] [#] Double Attack} Kh7 34. Rd8 g5 35. Qb7 Kg6 36. Rd6+ f6 37. Qe4+ Kh6 38. h4 {[%csl Ge3][%CAl Rh4g5]} a5 39. hxg5# 1-0 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.36"] [White "Tanush, Vadugu"] [Black "Vasudeva, Varun"] [Result "0-1"] [ECO "B20"] [BlackElo "1244"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "52"] [EventDate "2020.05.09"] {[%evp 9,51,-19,36,-85,-25,-46,-8,-110,-60,-410,-368,-469,-453,-570,-580,-685, -611,-664,-631,-1140,-1126,-1328,-1274,-1644,-1600,-1695,-1700,-1734,-1709, -1815,-1783,-1820,-1812,-1854,-1838,-1818,-1805,-1800,-1767,-1846,-1769,-1732, -1737,-29999]} 1. e4 c5 2. Bc4 e6 3. Nf3 a6 4. O-O b5 5. Be2 Bb7 {[%eval 36,21] } (5... Nc6 $11 {[%eval -19,21]}) 6. Nc3 {[%eval -85,21] [#] B40: Sicilian: 2.. .e6, Unusual lines.} (6. a4 $14 {[%eval 36,21] stays ahead.}) 6... b4 {[%eval -25,24]} ({Black should play} 6... Nc6 $1 $17 {[%eval -85,21]}) 7. Na4 $11 Bxe4 8. d3 {[%eval -110,20]} (8. a3 $1 $11 {[%eval -8,21]}) 8... Bc6 $17 9. Bg5 $146 {[%eval -410,20][%mdl 8192]} (9. c4 $1 $15 {[%eval -60,21]}) ({Predecessor:} 9. b3 d6 10. Bb2 Nf6 11. c3 a5 12. cxb4 axb4 13. h3 Be7 14. a3 bxa3 15. Rxa3 { 0-1 (53) Hojeije,M-Filgueiras,N (1935) Registro 2016}) 9... f6 $19 10. Bh4 Bxa4 11. Qd2 Nh6 12. Kh1 Be7 13. b3 Bc6 14. Ng5 fxg5 15. Bh5+ g6 16. Bf3 Bxf3 17. gxf3 gxh4 18. Rg1 Nf5 19. Rg2 h3 20. Rg4 Qc7 21. Rag1 Qc6 22. Re4 d5 23. Reg4 d4 24. Re4 Nd6 25. Qh6 Nxe4 {[%CAl Re4f2] [#]} 26. Qg7 Nxf2# 0-1 [Event "International Online Chess Festival - F"] [Site "www.chess.com"] [Date "2020.05.09"] [Round "1.37"] [White "Pandelescu, Maria-Catalina"] [Black "Vintu, Antonia-Maria"] [Result "1-0"] [ECO "C70"] [WhiteElo "1242"] [Annotator "Tactical Analysis 3.0 (10s)"] [PlyCount "47"] [EventDate "2020.05.09"] {[%evp 13,46,125,199,-23,0,-36,127,83,175,127,220,132,164,130,459,-81,484,171, 1087,1060,2147,2099,2976,2976,29993,2139,29993,29985,29993,29994,29994,29995, 29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. O-O d5 7. exd5 Nxd5 {[#]} 8. Bxd5 $2 {[%eval -23,23] C78: Ruy Lopez: Archangelsk and Möller Defences.} (8. d4 $1 $18 {[%eval 199,20]}) 8... Qxd5 $11 9. Nc3 Qc5 $146 {[%eval 127,22]} (9... Qd7 $15 {[%eval -36,23] stays ahead.}) ({ Predecessor:} 9... Qd8 10. h3 Bd6 11. d4 exd4 12. Ne2 Bc5 13. b3 O-O 14. Bb2 Qe7 15. Nexd4 Nxd4 16. Bxd4 {1-0 (50) Bachmann,B (1229)-Buerkle,A (1317) Marburg 2006}) 10. Re1 $16 {And now d4 would win.White is better.} Bd6 { [%eval 175,20]} (10... Be6 $16 {[%eval 83,23]}) 11. d4 $1 $18 {[%CAl Rd4c5]} Qb6 {[%eval 220,19]} (11... Qa7 $16 {[%eval 127,22]}) 12. dxe5 Bc5 13. Ne4 { Black must now prevent Qd5.} Bg4 $2 {[%eval 459,21][%mdl 8192]} (13... O-O $16 {[%eval 130,23] is more resistant.}) 14. Qd3 $2 {[%eval -81,21]} (14. Qd5 $18 { [%eval 459,21]}) 14... Bxf3 $4 {[%eval 484,21][%mdl 8192] [#]} (14... Rd8 $17 { [%eval -81,21]} 15. Qf1 Bxf3 16. gxf3 O-O) 15. Qxf3 $2 $40 {[%eval 171,21] [%mdl 128] White goes for the king.} ({And not} 15. gxf3 Rd8 $11) (15. Nf6+ $1 {[%eval 484,21][%mdl 512]} Ke7 (15... gxf6 16. exf6+) 16. Qxf3) 15... Nxe5 $2 { [%eval 1087,19]} (15... O-O {[%eval 171,21]}) 16. Nxc5 {[%mdl 64] Discovered Attack} Qxc5 17. Qxa8+ {[%mdl 64] Double Attack} Kd7 18. Qxh8 Ng4 19. Be3 { [%eval 2139,17]} (19. Qe8+ $142 {[%eval 32754,20]} Kd6 20. Bf4+ Ne5 21. Rad1+ Qd5 22. Qxe5+ {[%mdl 64] Double Attack, Pin} Kc5 23. Qxc7+ Qc6 24. Bd6+ Kc4 25. Qxc6#) 19... Qxc2 20. Qxg7 {White mates.} Kd6 21. Qxg4 h5 22. Rad1+ Ke5 23. Bg5+ Qe4 24. Qxe4# {Accuracy: White = 27%, Black = 7%.} 1-0