[Event "8th Altibox Norway Chess 2020"] [Site "Stavanger"] [Date "2020.10.08"] [Round "4"] [White "Carlsen, Magnus"] [Black "Caruana, Fabiano"] [Result "1-0"] [ECO "E32"] [WhiteElo "2863"] [BlackElo "2828"] [Annotator "Shahid"] [PlyCount "101"] [EventDate "2020.10.05"] [EventType "tourn"] [EventCountry "NOR"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,101,15,15,17,6,12,6,2,18,20,7,28,31,33,27,19,31,22,17,16,19,25,20,40, 20,23,16,14,16,28,25,24,15,41,24,26,19,26,22,47,47,55,43,52,43,47,44,63,51,125, 116,111,128,132,119,136,99,109,91,120,110,108,112,115,106,133,148,272,273,267, 269,265,263,256,270,297,237,306,275,276,270,278,274,273,250,272,247,400,387, 382,253]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Bg5 dxc4 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} 8. Qxc4 b6 9. Rd1 Ba6 { The position is equal.} 10. Qa4 h6 11. Bh4 Qd7 12. Qc2 Qc6 13. Qxc6 Nxc6 14. Bxf6 gxf6 15. e3 Bxf1 16. Kxf1 Na5 17. Nf3 {[#]} Nc4 $146 ({Predecessor:} 17... Rac8 18. Ke2 c5 19. dxc5 bxc5 20. Rd7 Nc4 21. Rc1 Nxb2 22. Rc2 Na4 23. Rxa7 Ra8 24. Rxa8 Rxa8 {1/2-1/2 (37) Wang,H (2763)-Radjabov,T (2765) chess.com INT 2020} ) 18. Rb1 c5 19. Ke2 Rfc8 20. Rhc1 Nd6 21. dxc5 bxc5 22. Rc2 Kf8 23. Nd2 c4 24. Rbc1 {[%CAl Rd2c4]} Rab8 25. Kf3 {[%CAl Rd2c4]} c3 (25... Rc5 26. b4 Rc6 27. Ne4 Nxe4 28. Kxe4 Rbc8) 26. bxc3 Rc5 27. c4 {[%CAl Bc3c4,Bc4c5][%mdl 32]} f5 28. Ke2 Ke7 29. Kd3 Kd7 30. Rc3 Rc6 $2 ({Black should play} 30... Ke7 $14) 31. c5 $16 Ne8 32. Nf3 Ra6 33. Ne5+ Ke7 34. Ke2 (34. Kc2) 34... Nf6 35. R1c2 Nd5 36. Rd3 Rc8 37. Rb3 Rc7 38. Rc4 Ra5 39. Nd3 e5 $2 (39... Kf6 $16 40. g4 fxg4) 40. Nxe5 $18 Raxc5 41. Rxc5 Rxc5 {[%mdl 4096] Endgame KRN-KRN} 42. Rb7+ Ke6 43. Nxf7 Ra5 44. Nd8+ Kd6 45. Rb3 {[#] Nb7+ is the strong threat.} Ra6 46. Nf7+ Kc5 47. Ne5 h5 48. Kd2 h4 49. Nd3+ Kc4 $2 {[#]} (49... Kc6 50. Ke2 Ra4 51. Ne5+ Kc5 ) 50. Kc2 Rd6 51. Nf4 {Accuracy: White = 90%, Black = 71%.} 1-0 [Event "8th Altibox Norway Chess 2020"] [Site "Stavanger"] [Date "2020.10.09"] [Round "4"] [White "Aronian, Levon"] [Black "Firouzja, Alireza"] [Result "0-1"] [ECO "B19"] [WhiteElo "2767"] [BlackElo "2728"] [Annotator "Shahid"] [PlyCount "92"] [EventDate "2020.10.05"] [EventType "tourn"] [EventCountry "NOR"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,92,21,10,26,0,8,10,12,-26,1,-13,50,64,37,-2,3,-51,-67,-100,0,0,41,35, 29,25,148,161,130,149,205,174,165,165,231,230,223,197,318,67,224,237,239,134, 101,114,1339,-751,0,-1213,0,0,31,23,35,39,88,87,99,-89,-69,-76,-75,-64,-81, -123,-106,-171,-9,-9,-14,-10,0,-150,-139]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Ngf6 11. O-O-O Be7 12. Nf1 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 12. Kb1 O-O 13. Ng5 Qa5 14. Bd2 Qd5 15. c4 Ne5 16. Qc2 Nxc4 17. Bc1 Rfe8 18. f4 Nd6 19. Nf3 {1/2-1/2 (43) Polgar,J (2722)-Vallejo Pons,F (2662) Benidorm 2003}) 12... Qa5 13. Kb1 Rd8 {The position is equal.} 14. Bc1 Nc5 15. Qe2 Na4 (15... Nce4 $11) 16. c4 $1 $14 O-O 17. Qc2 c5 18. Bd2 $6 (18. d5 $11) (18. g4 cxd4 ( 18... Nxg4 19. d5) 19. g5) 18... Qa6 $15 19. b3 Nb6 (19... cxd4 $17 20. bxa4 Rc8) (19... b5 20. bxa4 bxc4) 20. Bc3 $11 cxd4 21. Nxd4 Nbd7 22. Ne3 Nc5 (22... Ne5 $11) 23. g4 $1 $16 Nfe4 24. Bb2 $1 Nd6 {[#]} (24... Qb6 $16 25. g5 h5) 25. g5 $1 {[%mdl 512]} h5 (25... hxg5 26. hxg5) 26. Qe2 Nce4 (26... g6 $142 27. Qc2 Kh7) 27. Rhg1 (27. Qxh5) 27... Qa5 28. Rd3 (28. Qxh5 Nd2+ 29. Ka1 N6e4 30. Rxd2 Qxd2 31. Nef5 $18) 28... Nc5 {[#]} (28... g6 {was necessary.} 29. a3 Qa6) 29. Rd2 $2 (29. Qxh5 Nxd3 30. Nc6 bxc6 31. Bxg7 f5 (31... Kxg7 32. Qh6+ Kg8 33. g6 $18) 32. Bf6 $18) 29... Nce4 $2 (29... Nde4 30. Rc2 Rd7) 30. Rc2 $1 $18 Rfe8 31. Qxh5 (31. g6 $18 fxg6 32. Nxe6 {[%mdl 64] Double Attack}) 31... Nd2+ $16 32. Kc1 N6e4 $2 {[%mdl 8192] [#]} (32... g6 $16 33. Qe2 N6e4) 33. c5 $4 { [%mdl 8192]} (33. Ndf5 $1 $18 {[%mdl 512]} exf5 34. g6 Nxb3+ 35. axb3) 33... g6 $2 (33... Qxa2 $19 {[%csl Gd2][%CAl Ra2b1]} 34. Rxd2 {[%mdl 64] Remove Defender } Nxd2) 34. Qh8+ $1 $11 {[%mdl 64] Decoy} Kxh8 35. Nc6+ $1 {[%mdl 64] Double Attack} Kg8 36. Nxa5 Nf3 37. Rd1 Nxc5 38. Rxd8 Rxd8 {[#]} 39. Bf6 $2 (39. Nxb7 $1 $16 {[%mdl 512]} Nd3+ (39... Nxb7 40. Rc7) 40. Kb1) 39... Bxf6 $17 40. gxf6 b6 {aiming for ...Nd3+.} 41. Nc6 Rd7 42. Rc4 Kh7 43. Kb2 (43. Ng4 $17) 43... Nd2 $2 ({Black should try} 43... Nd3+ $19 44. Ka1 Kh6) 44. Rd4 $11 Rxd4 45. Nxd4 Nde4 46. Ng4 {[#]} ({Better is} 46. Nc6 $1 $11) 46... Nd3+ $1 {Both players deserved the win here. Accuracy: White = 55%, Black = 48%.} 0-1 [Event "8th Altibox Norway Chess 2020"] [Site "Stavanger"] [Date "2020.10.08"] [Round "4"] [White "Aronian, Levon"] [Black "Firouzja, Alireza"] [Result "1/2-1/2"] [ECO "B19"] [WhiteElo "2767"] [BlackElo "2728"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.10.05"] [EventType "tourn"] [EventCountry "NOR"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,61,18,16,27,-3,18,15,16,16,16,12,21,18,13,14,17,17,18,10,12,11,13,11, 14,16,16,0,13,11,5,17,19,0,0,-14,0,0,0,-13,35,18,37,22]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Ngf6 11. O-O-O Be7 {[#] 11...Qb6 is more fashionable. B19: Classical Caro-Kann: 4...Bf5 main line.} 12. Nf1 $146 ({Predecessor:} 12. Kb1 O-O 13. Ng5 Qa5 14. Bd2 Qd5 15. c4 Ne5 16. Qc2 Nxc4 17. Bc1 Rfe8 18. f4 Nd6 19. Nf3 { 1/2-1/2 (43) Polgar,J (2722)-Vallejo Pons,F (2662) Benidorm 2003}) 12... Ng4 13. Qe2 Qa5 {The position is equal.} 14. Kb1 Qb5 15. Rd3 Nb6 16. N3d2 Nf6 17. Ne3 Nfd5 18. Nxd5 Nxd5 19. Qe4 {[#] Black must now prevent c4.} Nxf4 20. Qxf4 Qd5 21. Nf3 O-O 22. Ne5 f6 23. Ng4 Bd6 24. Qc1 Rad8 25. Qd1 Bc7 26. Re1 Bb6 27. f3 Qf5 28. Re4 Rfe8 29. Qe2 Kh8 30. a3 Qd5 {next ...f5 is good for Black.} 31. Ne3 {An uneventful encounter. Accuracy: White = 94%, Black = 95%.} 1/2-1/2 [Event "8th Altibox Norway Chess 2020"] [Site "Stavanger"] [Date "2020.10.08"] [Round "4"] [White "Tari, Aryan"] [Black "Duda, Jan-Krzysztof"] [Result "1/2-1/2"] [ECO "B23"] [WhiteElo "2633"] [BlackElo "2757"] [Annotator "Shahid"] [PlyCount "67"] [EventDate "2020.10.05"] [EventType "tourn"] [EventCountry "NOR"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,67,0,0,0,0,0,-2,0,-30,18,0,0,20,34,0,0,0,0,0,41,16,10,8,43,49,47,42, 123,118,114,114,101,114,69,79,110,95,164,39,35,36,60,49,61,53,62,23,49,0,0,0,0, 0]} 1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bb5 Nd4 6. O-O Nxb5 7. Nxb5 d6 8. d3 a6 9. Nc3 b5 {B23: Closed Sicilian: Lines without g3.} 10. Qe1 Bb7 { 10...b4 is not played anymore.} 11. f5 Nf6 12. Qh4 Qd7 13. Bh6 Bxh6 14. Qxh6 { [#]} O-O-O $146 ({Predecessor:} 14... gxf5 15. Ng5 Rg8 16. Rxf5 Rg6 17. Qh3 O-O-O 18. Nxh7 Rdg8 19. Nxf6 Rxg2+ 20. Qxg2 Rxg2+ 21. Kxg2 Qxf5 {0-1 (42) McConnell,S (1895)-Antonio,V (2397) chess.com INT 2020}) 15. Ng5 Ng4 16. Qh3 $36 {[%mdl 2048] White is more active.} Ne5 17. Nd5 Kb8 (17... Bxd5 $5 18. exd5 h6 $11) 18. fxg6 Qxh3 19. gxh3 e6 (19... Bxd5 $5 20. exd5 Rdg8 21. Nxf7 Rxg6+ 22. Kh1 Nxf7 23. Rxf7 e6 $14) 20. Nf6 ({Reject} 20. Nxf7 Nxf7 21. g7 exd5 $15) (20. gxf7 exd5 21. Ne6 Rdf8 $1 $15 {[%mdl 512]}) 20... hxg6 21. Ng4 {Threatens to win with Nxe5.} Nxg4 (21... Rh5 $14 22. Nxf7 Nxf7 23. Rxf7 Rxh3) 22. hxg4 $16 Rh4 23. Nxf7 Rxg4+ 24. Kh1 Rd7 25. Rf6 c4 {[#]} 26. Raf1 $1 Rh4 {[#]} ( 26... Bc8 $16 {was worth a try.}) 27. Rxe6 (27. Kg2 $1 $18 Rh5 28. Kg3) 27... d5 $14 {[%CAl Rd5e4]} 28. Nd6 cxd3 29. cxd3 dxe4 30. dxe4 g5 31. Nxb7 Kxb7 32. b4 Rhh7 33. Rff6 Rd2 34. Rb6+ {Accuracy: White = 70%, Black = 68%.} 1/2-1/2 [Event "8th Altibox Norway Chess 2020"] [Site "Stavanger"] [Date "2020.10.09"] [Round "4"] [White "Tari, Aryan"] [Black "Duda, Jan-Krzysztof"] [Result "1-0"] [ECO "B51"] [WhiteElo "2633"] [BlackElo "2757"] [Annotator "Shahid"] [PlyCount "129"] [EventDate "2020.10.05"] [EventType "tourn"] [EventCountry "NOR"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,129,16,31,26,30,26,30,31,31,31,37,37,35,27,31,0,18,16,16,16,20,9,18,0, 13,7,15,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,41,56,56,48,41,21,27,12,12,0,2,0,45,6,6, 6,10,-35,-29,-152,-168,-157,-18,-158,-27,-18,0,0,0,-8,0,-8,-8,-10,-11,-114, -121,-254,-195,-181,-161,-161,-107,-189,32,31,39,39,70,96,96,90,204,203,309, 304,459,459,654,668,660,667,813,782,1192,271,29989,523,29990,454,523,408,12807, 12799,1485,1378,29995,29996,29996,182]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 g6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Bg7 7. c3 Ne5 8. Nxe5 {White has an edge.} dxe5 {[#]} 9. Bc4 $146 ({ Predecessor:} 9. Bc2 e6 10. a4 b6 11. d3 Ne7 12. Na3 Nc6 13. Nc4 Bb7 14. Be3 Rb8 15. Qe2 {1-0 (37) Hernandez Sanchez,J (2263)-Vargas Arteaga,A (2364) Cartagena 2019}) 9... Nf6 10. a4 b6 11. d3 O-O 12. h3 e6 13. Nd2 Bb7 14. Nf3 Qc7 15. Be3 Rfd8 16. Qc1 Ne8 17. Bh6 Bh8 18. Qg5 Bc6 19. Qh4 b5 20. axb5 axb5 21. Rxa8 Rxa8 22. Bb3 Bf6 23. Bg5 Bg7 24. Bh6 Bf6 25. Qg3 b4 $6 (25... Bb7) 26. cxb4 Qb8 27. Bd2 cxb4 28. h4 Ng7 29. Ng5 Qd6 30. Qf3 Nh5 31. g3 Bb5 32. Rc1 ( 32. g4 {is interesting.} Bxg5 33. Bxg5 Nf4 34. Rd1 h6 35. Bf6) 32... Qxd3 33. Qxd3 Bxd3 34. Bxb4 h6 35. Nxf7 (35. Rc3 $11) 35... Kxf7 $17 36. Rc7+ Kg8 (36... Ke8 $19 37. Bxe6 Bxe4 38. Bf7+ Kd8) 37. Bxe6+ $11 Kh8 38. Bd5 Rb8 39. Bc3 Rb6 40. b4 g5 41. hxg5 hxg5 42. Kg2 g4 43. Bd2 (43. f3 $11) 43... Be2 $17 44. Rf7 ( 44. Bc4 $17 Bf3+ 45. Kf1) 44... Ra6 {[#] aiming for ...Ra1.} 45. Bc3 Ra3 46. Rc7 Ng7 (46... Bf3+ $19 47. Kh2 Bg7) 47. Rc6 (47. Rc5 $17) 47... Nh5 $2 (47... Ne8 $19 48. Kh2 Kg7) 48. Bf7 $14 Bf3+ 49. Kf1 Kg7 50. Bxh5 Rb3 {[#]} 51. Ke1 $1 Bxe4 (51... Rb1+ $16 52. Kd2 Rd1+ 53. Kc2 Rf1) 52. Rc7+ $18 Kh6 (52... Kf8 { was worth a try.} 53. Bxg4 Be7 54. Bxe5 Bxb4+ 55. Ke2 Bd3+ 56. Kf3 Ra3) 53. Bxg4 Bg5 (53... Ra3 {is a better defense.} 54. Rc5 Kg6 55. Bxe5 Be7) 54. Bxe5 Rb1+ (54... Rxb4 $142 55. f3 Kg6 56. Rg7+ Kh6) 55. Ke2 Rxb4 56. f4 Bd8 57. Rc8 Bb6 58. f5 $2 (58. Rh8+ Kg6 59. Bh5+ Kf5 60. Re8) 58... Kg5 $2 (58... Bd4 $18) 59. Rg8+ Kh6 60. Rg6+ (60. Bf6 $142 Rb2+ 61. Bxb2 Bd5 62. Rg6+ {[%mdl 64] Double Attack} Kh7 63. Rxb6 Kg8 64. Bf6 Ba2 65. Bh5) 60... Kh7 61. Rd6 { And now Rd7+ would win.} Bc5 (61... Bb1 $142 62. Rd7+ Kg8) 62. Rd7+ Kg8 63. f6 Ra4 64. Be6+ Kh8 65. f7+ {Accuracy: White = 72%, Black = 59%.} 1-0