[Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "1.1"] [White "Kinoshita, Kanako"] [Black "Yamada, Misaki"] [Result "1-0"] [ECO "B53"] [WhiteElo "1729"] [BlackElo "1479"] [Annotator "Tactical Analysis 6.1"] [PlyCount "110"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 11,110,13,30,-15,-17,-41,-24,-45,-46,-42,-38,-76,-73,-74,-72,-71,-52,-57,-24,-102,-66,-87,-88,-116,-104,-129,-12,-12,-16,-11,0,-5,-3,-6,0,-10,-10,-8,-8,-10,19,8,21,-24,11,-4,-1,-28,-1,-19,-10,-89,0,-8,-3,-100,-102,-96,-59,-103,5,7,6,-93,5,4,5,0,0,0,0,-3,0,0,231,-15,10,6,16,0,15,10,10,0,21,17,25,15,379,335,618,621,29986,665,629,598,29999,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 g6 7. Bd2 {B53: Sicilian: 2...d6: Lines with Qxd4.} (7. c4 $142) 7... Bg7 $11 8. c3 $146 ({Predecessor:} 8. Bc3 Nf6 9. a4 O-O 10. Nbd2 a6 11. Bxc6 Bxc6 12. Nd4 Bd7 13. O-O Qc7 14. Rfe1 Rac8 {0-1 Riha,J (2315)-Alexa,J (2365) CZE-chT B2 corr Czechia 2002}) 8... Nf6 9. Na3 {Black has an edge.} O-O 10. O-O a6 11. Ba4 (11. Bc4 $15) 11... Ne5 $17 12. Nxe5 Bxa4 13. Nf3 Bc6 14. Rfe1 Rc8 15. Bf4 (15. Nd4 $11 {remains equal.}) 15... b5 (15... Nd7 $17 16. Be3 Qa5) 16. Nd2 Nd7 17. Qe3 Nc5 18. Bh6 {[%tqu "En","","","","g7h6","",10]} Nd7 (18... Bxh6 $1 $17 19. Qxh6 f5 20. exf5 Rxf5) 19. Bxg7 $11 Kxg7 20. Nc2 Nf6 21. Rad1 Qc7 22. Nd4 Rcd8 23. Qg3 e6 24. Nxc6 (24. Qh4 {looks sharper.} h6 25. Nxc6 Qxc6 26. Qh3) 24... Qxc6 25. h3 Nd7 26. Nf3 Nc5 27. Nd2 (27. Nd4 $142 Qc7 28. f3) 27... Nd7 {[%CAl Bc5d7,Bd7f6,Bf6g4][%mdl 32]} 28. h4 Nf6 29. Re3 h5 30. Ree1 e5 31. Qd3 (31. Qf3 $11) 31... Qb6 (31... d5 $17) 32. Qf3 Ng4 (32... Qc6 {simplifies} 33. a3 Rd7 34. Nf1 Rfd8) {[%tqu "En","","","","e1e2","",10]} 33. Rf1 (33. Re2 $1 $11) 33... f5 $17 34. exf5 {[%tqu "En","","","","d6d5","",10]} Rxf5 ({Black should play} 34... d5 $1 $17 {aiming for ...e4.} 35. Qg3 gxf5) 35. Qe2 {Inhibits e4.} (35. Qg3 $15 {deserves consideration.}) {[%tqu "En","","","","d6d5","",10]} 35... Rdf8 (35... d5 $1 $17 36. Nf3 Qd6) 36. Ne4 $11 Rd8 37. Ng5 (37. Rd5 $11) 37... Re8 ({Black should try} 37... d5 $17 {Hoping for ...Rdf8.} 38. Nf3 Qf6) 38. Ne4 Rd8 39. b4 (39. Rd5 {simplifies} Nf6 40. Nxf6 Rxf6 41. Rfd1) 39... d5 40. Nc5 a5 41. a3 axb4 (41... Nf6 {simplifies} 42. a4 bxa4 43. Nxa4 Qd6) 42. axb4 {[%tqu "En","","","","e5e4","",10]} d4 $2 (42... e4 $1 $11) 43. c4 $2 (43. cxd4 $18 {Black must now prevent f3.} Re8 44. d5) 43... bxc4 (43... Qf6 $5 {[%CAl Rf6h4]} 44. f3 Ne3 45. cxb5 Kh7 $17) 44. Qxc4 {[#] Strongly threatening Ne6+.} Rf6 {Inhibits Ne6+.} 45. Ne4 Rf4 46. Ng5 {And now Ne6+ would win.} Rf6 {Prevents Ne6+.} 47. Ne4 (47. Rd2 {is more complex.} Rd7 48. Rc1 Qb8 49. f3) 47... Rf4 48. Nc5 (48. Ng5 {with more complications.} Rf6 49. Rd2 Rd7 50. Rc1) 48... Rf6 {Prevents Ne6+.} 49. Ra1 {[%tqu "En","","","","f6c6","",10]} Qd6 {[%mdl 8192]} (49... Rc6 $1 $11) 50. Ne4 Qc6 (50... Qd5 51. Qxd5 (51. Nxf6 $2 Qxc4 52. Nxg4 hxg4 $19) 51... Rxd5 52. Nxf6 Nxf6 53. Ra7+ Kh6) 51. Ra7+ $18 (51. Nxf6 $2 {loses.} Qxc4 52. Nxg4 hxg4 $19) 51... Kh6 {[%tqu "En","","","","e4g5","",10]} 52. Nxf6 (52. Ng5 $142 $1 Qd7 53. Rxd7 Rxd7 54. Qg8 Rff7 55. Nxf7+ Rxf7 56. Qxf7 e4 57. Rc1 Nf6 58. Qxf6 Kh7 59. Rc7+ Kh6 60. Qh8#) 52... Qxf6 53. Qc7 {[%csl Ga7][%CAl Rc7h7] [#]} Rf8 54. Qd7 $2 (54. Qh7# {mates}) 54... Qxh4 $11 {[%csl Gg4][%CAl Rh4h2]} 55. Qh7+ Kg5 {[%mdl 32768] Weighted Error Value: White=0.42/Black=0.63. Loses game: --- Black=2 Missed win: White=1 --- Mistake: White=7 Black=7 Inaccurate: White=2 Black=5 OK: White=8 Black=13 Best: White=2 Black=2 Strong: --- --- Brilliant: --- --- . Sensor Board Error (Ke4/e5)?} 1-0 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "1.2"] [White "Jie, Jingfel"] [Black "Sakai, Azumi"] [Result "0-1"] [ECO "C00"] [BlackElo "1774"] [Annotator "Tactical Analysis 6.1"] [PlyCount "94"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 9,93,-35,-35,-60,-51,-89,-76,-100,-88,-119,-81,-76,-69,-80,-43,-72,-32,-77,-72,-155,-156,-161,-167,-174,-166,-165,-159,-190,-199,-259,-251,-276,-265,-498,-261,-263,-256,-291,-265,-329,-339,-477,-478,-471,-423,-440,-449,-443,-342,-338,-309,-290,0,0,-2,-538,-529,-465,-442,-399,-361,-352,-341,-370,-290,-375,-375,-567,-545,-503,-339,-391,-321,-618,-282,-29989,-29990,-29993,-29994,-29994,-29995,-29995,-29996,-29997,-29998,-29999]} 1. e4 e6 2. d3 d5 3. Nc3 Nf6 4. Bd2 Be7 5. Nf3 c5 6. a3 {C00: French: Unusual White 2nd moves.} Nc6 7. Be2 (7. exd5 $15 exd5 8. h3) 7... d4 $146 ({Predecessor:} 7... b6 8. O-O Bb7 9. h3 d4 10. Nb1 Nd7 11. Bf4 Bf6 12. Nbd2 O-O 13. Re1 Nce5 14. Nxe5 Bxe5 15. Bxe5 Nxe5 {½-½ Parra Hidalgo,L (1694)-Blanco Rodriguez,R (1643) Las Tunas 28 de Enero-C 2019 (5.3)}) 8. Na2 {Black is better.} O-O 9. c4 dxc3 (9... a5 $142 10. Bf4 Nd7) 10. Nxc3 b6 11. O-O Ba6 (11... Qc7 $17) 12. Be3 Qd7 ({Black should play} 12... Ng4 $17) 13. Bf4 (13. Qa4 $15 {deserves consideration.} Bb7 14. Rfc1) 13... Rfd8 {[%CAl Ra6d3]} 14. Ne1 (14. Qa4 $142 Qb7 15. Nb5) 14... Nd4 {Black is more active.} 15. h3 Nxe2+ 16. Qxe2 Bxd3 17. Nxd3 Qxd3 18. Qe1 Qc2 19. Rb1 (19. Qb1 {was necessary.} Qb3 20. Rc1) 19... Rd3 $19 20. Bg3 Rad8 21. Nb5 $2 (21. a4 {was worth a try.}) {[%tqu "En","","","","d3g3","",10]} 21... Qa4 (21... Rxg3 $142 $1 {[%mdl 512]} 22. Rc1 (22. e5 Nh5) 22... Qa4 23. fxg3 Qxb5) 22. Nc3 Qb3 23. Qc1 Qc4 24. Qf4 Nh5 25. Qe5 (25. Qc7 $142 R3d7 26. Qe5) 25... Nxg3 26. fxg3 Bf6 27. Qc7 Qd4+ 28. Kh1 Qd7 29. Qf4 Bxc3 30. bxc3 Rxc3 $2 ({Better is} 30... Qe7 $19 31. Rbc1 e5) {[%tqu "En","","","","b1d1","",10]} 31. Rbd1 $1 $11 Qxd1 32. Rxd1 {[%mdl 8192] Now White is beyond hope.} (32. Qxf7+ $11 Kh8 33. Rxd1 Rxd1+ 34. Kh2) 32... Rxd1+ {[%mdl 4096] Endgame KQ-KRR} 33. Kh2 {[#] Intending Qb8+ and mate.} Rd8 {Prevents Qb8.} (33... Rxa3 $2 {is a self mate.} 34. Qb8+) 34. Qc7 {[%CAl Rc7d8]} Rf8 35. Qxa7 Rb3 36. a4 c4 37. Qa6 Rb4 {aiming for ...c3.} 38. a5 (38. Qa7 {is a better defense.}) 38... bxa5 39. Qxa5 Rfb8 40. g4 c3 {Hoping for ...Rc4.} 41. h4 $2 (41. Qc7) 41... c2 (41... Rc4 $142 {White must now prevent ...c2.} 42. Qa2 Rcc8) 42. Qa1 $2 {[#]} (42. Qc7 $19) 42... Rb1 {Black mates.} 43. Qe5 c1=Q 44. g5 Qg1+ 45. Kg3 R1b3+ 46. Kg4 Qxg2+ 47. Kh5 Qf3# {Weighted Error Value: White=0.78/Black=0.51. Loses game: White=1 --- Missed win: --- Black=1 Mistake: White=9 Black=5 Inaccurate: White=2 Black=1 OK: White=5 Black=12 Best: White=2 Black=2 Strong: White=1 --- Brilliant: --- ---} 0-1 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "2.1"] [White "Shibata, Misaki"] [Black "Kinoshita, Kanako"] [Result "1/2-1/2"] [ECO "D10"] [WhiteElo "1668"] [BlackElo "1729"] [Annotator "Tactical Analysis 6.1"] [PlyCount "51"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 14,51,56,53,46,44,59,58,72,43,76,34,85,-13,-14,-17,-16,-70,-47,-196,-192,-170,-13,-9,11,8,116,110,119,134,170,120,119,42,47,0,2,0,3,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. e3 Bg7 6. Bd3 O-O 7. O-O a6 8. Qc2 Nbd7 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 9. b3 {[%CAl Bb2b3,Bb3c4][%mdl 32]} dxc4 10. bxc4 (10. Bxc4 b5 11. Be2 c5 $11) 10... Qc7 $146 {White is slightly better.} ({Predecessor:} 10... Re8 11. a4 e5 12. Ba3 c5 13. d5 Qe7 14. e4 Nh5 15. g3 Rf8 16. Rfe1 a5 {½-½ Bewersdorff,O (2301)-Hacker,J (2242) BL2-Sued 1415 Germany 2014 (5.7)}) 11. Bb2 b5 12. a3 (12. Ne2 $16) 12... Bb7 (12... e5 $14) 13. Na2 (13. c5 $16) 13... bxc4 $11 14. Bxc4 c5 {Prevents Nb4.} 15. Be2 (15. Rac1 $11) 15... Rab8 16. Rac1 (16. Rab1 $15) 16... Be4 $19 17. Qd2 {[%CAl Oa2b4]} Qb7 {[#] Prevents Nb4.} ({Black should try} 17... Ng4 $19 {Strongly threatening ...Bxf3.} 18. g3 Qb7) 18. Ba1 $11 Rfd8 19. Qa5 Qd5 (19... cxd4 $11 20. Bxd4 Qd5 21. Qxa6 Bxf3 22. gxf3 Qg5+ 23. Kh1 e5) 20. Nc3 Qa8 21. dxc5 {[#] Threatens to win with Nxe4. White is more active.} Rdc8 (21... Bc6 $16) {[%tqu "En","","","","c3a4","",10]} 22. Nxe4 (22. Bxa6 $2 {is the wrong capture.} Bxf3 23. Na4 (23. gxf3 $2 Rxc5 $19) 23... Bxg2 $19) (22. Qxa6 $6 Nxc5 23. Qxa8 Rxa8 $14) (22. Na4 $1 $18) 22... Nxe4 $16 23. Bxg7 ({Reject} 23. Qxa6 $6 Bxa1 24. Rxa1 Rxc5 $14) ({Better is} 23. Bd4 $16) 23... Kxg7 $14 24. Qxa6 (24. Nd4 $14 Qd5 25. Bf3 (25. Qxa6 e5 $11)) 24... Qxa6 25. Bxa6 Rxc5 26. a4 {Weighted Error Value: White=0.42/Black=0.39. Loses game: --- --- Missed win: --- --- Mistake: White=7 Black=4 Inaccurate: White=1 Black=1 OK: White=4 Black=3 Best: --- Black=1 Strong: --- --- Brilliant: --- ---} 1/2-1/2 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "2.2"] [White "Sakai, Azumi"] [Black "Hasegawa, Emi"] [Result "1-0"] [ECO "D38"] [WhiteElo "1774"] [BlackElo "1681"] [Annotator "Tactical Analysis 6.1"] [PlyCount "129"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 10,129,23,-23,32,39,83,79,67,55,70,38,119,105,105,114,107,105,129,126,150,151,161,155,193,110,171,171,165,151,202,139,213,198,224,223,288,230,262,210,395,414,566,353,363,285,282,189,450,439,527,528,599,543,542,536,536,537,539,519,508,516,530,516,521,515,511,516,516,519,512,512,522,508,524,518,567,563,556,512,584,570,564,577,585,530,613,599,566,561,566,556,583,541,580,546,656,642,671,665,669,670,666,660,646,650,691,661,725,724,710,698,673,648,681,731,3338,3306,29983,29984,29986,29987]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. Ne5 (6. e3 $142) 6... Bxc3+ {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} ({Black should play} 6... Bd7 $11 7. Nxd7 Qxd7) 7. bxc3 $14 Bd7 (7... O-O $14 {feels stronger.}) {[%tqu "En","","","","e5d7","",10]} 8. Nxd7 $1 $16 {White is more active.} Qxd7 {White is better.} 9. Ba3 Ne4 10. Qc2 b6 $146 (10... Na5 $14) ({Predecessor:} 10... e5 11. f3 Ng5 12. h4 Ne6 13. e4 Ncxd4 14. cxd4 Nxd4 15. Qd1 dxe4 16. fxe4 O-O-O {1-0 Bruens,T (1763)-Olbrich,C Krefeld op 2023 (3)}) 11. e3 Nd6 12. cxd5 exd5 13. Bd3 h6 14. O-O O-O {[%tqu "En","","","","c3c4","",10]} 15. c4 $1 dxc4 16. Bxc4 Na5 (16... Ne7 $16) 17. Bd5 (17. Be2 $18) 17... c6 (17... Rac8 $16) 18. Bf3 $18 Rac8 19. Rac1 Rfd8 (19... b5 $16 20. Be2 Rfd8) 20. Qa4 Qe6 (20... Nac4 $16 {was worth a try.}) 21. Bb4 ({Stronger than} 21. Bxc6 Nxc6 22. Rxc6 Qxa2 $11) 21... Ndb7 22. h3 Qd7 23. Rfd1 Qe6 24. Qc2 {[#] Black must now prevent Bg4.} b5 $2 (24... Qe8 25. Qf5 Qe6 26. Qxe6 fxe6) 25. Bg4 {This pair of bishops is nice.} Qc4 26. Qxc4 Nxc4 27. Bxc8 Rxc8 28. d5 {[#] aiming for dxc6.} a5 $2 (28... c5) 29. Be7 cxd5 30. Rxd5 b4 31. Rd4 Nb6 32. Rxc8+ Nxc8 33. Rd7 Nxe7 34. Rxe7 {[%mdl 4096] Endgame KR-KN} Nd6 35. Rd7 Ne4 36. Rd5 a4 37. Rd4 {[%csl LRb4,LRe4]} Nc3 38. Rxb4 Nxa2 39. Rxa4 Nc3 40. Rc4 Nd5 41. e4 Nf4 42. e5 g5 43. Rc6 Kg7 44. Rc7 Kg6 45. f3 Ne6 46. Ra7 Nf4 47. Kh2 Nd3 48. Ra6+ Kg7 49. Ra5 Nf4 50. g3 Ne6 51. Kg2 h5 52. Ra4 Kg6 53. h4 Kf5 54. hxg5 Nxg5 55. Rh4 Kg6 56. f4 Ne6 57. Kf3 Nd4+ 58. Ke4 Nf5 59. Rh3 Nh6 60. Rh1 Ng4 {And now ...Nf2+ would win.} 61. Rf1 {Against Nf2+} f5+ 62. Kd4 Nh6 63. Ra1 {Threatening mate with Ra6+.} Ng8 64. Ra6+ Kf7 65. Kd5 {Weighted Error Value: White=0.29 (precise) /Black=0.50. Loses game: --- --- Missed win: --- --- Mistake: White=1 Black=8 Inaccurate: White=4 Black=1 OK: White=23 Black=9 Best: --- --- Strong: White=2 --- Brilliant: --- ---} 1-0 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "3.1"] [White "Takayasu, Melody"] [Black "Sakai, Azumi"] [Result "0-1"] [ECO "C00"] [WhiteElo "1690"] [BlackElo "1774"] [Annotator "Tactical Analysis 6.1"] [PlyCount "68"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 11,68,-37,1,0,3,0,83,79,116,87,91,63,64,71,66,7,18,16,54,18,67,-127,-130,-131,-45,-89,-83,-89,-73,-122,-101,-114,-117,-123,-100,-230,-231,-223,1,-164,-63,-57,-12,-12,64,-107,-110,-368,-336,-447,-214,-340,-183,-29989,-29990,-29992,-29993,-29997,-29998]} 1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Nge7 6. Na3 Nf5 (6... d4 $15) 7. Nc2 $11 {C00: French: Unusual White 2nd moves.} d4 8. Bd3 dxc3 (8... b6 $11) 9. dxc3 $16 {White is better.} Qb6 $146 (9... Bd7 $142) ({Predecessor:} 9... b6 10. O-O Bb7 11. Qe2 Be7 12. Rd1 Qc7 13. Bxf5 exf5 14. Ne3 Bc8 15. Nd5 Qb7 {½-½ Georgiev,K (2400)-Spiridonov,N (2480) Chalon sur Saone 1991 (3)}) 10. g4 Nfe7 11. Be4 Bd7 12. Ne3 {[#] Nc4 is the strong threat.} Na5 {Inhibits Nc4.} 13. Qe2 ({White should try} 13. O-O $14) 13... Bb5 14. Qc2 {[%CAl Oe1f2]} Bc6 (14... h5 $11 {feels stronger.}) 15. b3 (15. O-O $14 {might be stronger.}) 15... O-O-O (15... h5 $11) 16. Nc4 $2 (16. Ng5 $14 {keeps the upper hand.} Be8 17. Nxh7) 16... Nxc4 $17 17. bxc4 Qa5 (17... Qa6 $17 18. Qe2 f5 19. Bxc6 Qxc6) 18. Bxc6 (18. Ng5 $15 Bxe4 19. Nxe4) 18... Nxc6 19. O-O Be7 20. Be3 (20. f5 $142) 20... Qa6 21. Nd2 Rd7 22. Rab1 Rhd8 23. Rf2 (23. Rb5 $17 {was worth a try.}) 23... Rd3 $19 24. Re2 Qa5 $2 (24... Na5 $19 25. Ne4 Qxc4) 25. Rb3 $2 (25. Ne4 $11 {and White stays safe.}) 25... f6 (25... Qa4 $19 {White must now prevent ...Na5.} 26. Rb2 Qxc2 27. Rxc2 b6) 26. exf6 $15 Bxf6 (26... gxf6 $15 27. Ne4 Qa4) 27. Ne4 $11 {[%tqu "En","","","","a5a4","",10]} b6 (27... Qa4 $1 $11) {[%tqu "En","","","","g4g5","",10]} 28. Nxf6 $2 (28. g5 $1 $14 {stays ahead.}) 28... gxf6 $17 29. Bc1 $2 {[%mdl 8192]} (29. Bd4 $17 Nxd4 30. cxd4 R3xd4 31. Rbe3) 29... Qa6 30. Rxe6 Na5 (30... Qxc4 $142 31. Re1 (31. Rxc6+ $2 {loses.} Kb7 $19) 31... Nd4 32. Qxd3 Qxd3 33. cxd4 Qxd4+ 34. Be3 Qa4) 31. Ra3 ({Wrong is} 31. Rb5 $2 Rd1+ 32. Kf2 Qb7 $19) (31. Rb1 $142) 31... Qxc4 (31... Rd1+ $142 32. Kf2 Qb7) 32. Rxa5 $2 {[#]} (32. Re1 $19) 32... Qxe6 {Black mates.} 33. Rxa7 Qxg4+ 34. Kf2 Qf3+ {Weighted Error Value: White=0.77/Black=0.52. Loses game: White=2 --- Missed win: --- Black=1 Mistake: White=9 Black=10 Inaccurate: White=2 --- OK: White=6 Black=6 Best: White=2 Black=2 Strong: --- --- Brilliant: --- ---} 0-1 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "3.2"] [White "Mitsuyama, Rikka"] [Black "Shibata, Misaki"] [Result "1/2-1/2"] [ECO "D56"] [WhiteElo "1408"] [BlackElo "1668"] [Annotator "Tactical Analysis 6.1"] [PlyCount "63"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 16,63,19,6,160,171,160,168,193,193,209,187,182,158,155,158,178,186,185,-14,-17,-24,-28,-30,-25,-229,-171,-464,-37,-35,-28,-44,-46,-56,-55,-156,-46,-56,-47,-134,0,-98,-61,-89,-73,-114,-57,-75,-71,-120]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. Nc3 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 Nd7 $2 {D56: Queen's Gambit Declined: Lasker Defence.} (9... Nxc3 $11 10. Qxc3 Nc6) 10. cxd5 $16 Nxc3 11. dxe6 $146 ({Of course not} 11. bxc3 $6 exd5 12. Rb1 Nf6 $11) ({Don't take} 11. Qxc3 $6 Nf6 $16) ({Predecessor:} 11. Qxc3 exd5 12. Qxc7 b6 13. Bd3 Qb4+ 14. Qc3 Qxc3+ 15. bxc3 Bb7 16. O-O Rac8 17. Rfc1 Nf6 18. Ne5 Ne4 19. Bxe4 dxe4 20. c4 {1-0 Costa,P (1974)-February,J (1825) Titled Tuesday intern op 7th April Chess.com INT blitz 2020 (8)}) 11... Qxe6 {[#] And now ...Nd5 would win. White is clearly better.} 12. Qxc3 c6 13. Bc4 {[%CAl Bf1c4,Bc4b3,Bb3c2][%mdl 32]} Qe7 14. Bb3 Nf6 15. O-O Be6 16. Bc2 Bd5 {[%tqu "En","","","","f3d2","",10]} 17. e4 $2 (17. Nd2 $1 $18) 17... Nxe4 $11 18. Qe3 Rfe8 19. Rfe1 Qb4 {Inhibits Nd2.} 20. Qf4 $2 (20. Ne5 $11 {and White is okay.} Ng5 21. Qc3 Qxc3 22. bxc3) 20... Nf6 {[#] Threatens to win with ...Bxf3.} 21. b3 $2 (21. Qd2 {was worth a try.} Rxe1+ 22. Rxe1 Qxd2 23. Nxd2) 21... Qb6 $2 (21... Bxf3 $19 22. Rxe8+ Rxe8 23. gxf3 Qc3) 22. Ne5 $15 Rad8 23. Red1 Be6 24. Rac1 Nd5 25. Qg3 (25. Qd2 $15) 25... Nf6 (25... Nb4 $17 26. Bb1 Rxd4) 26. Qf4 Nd5 27. Qg3 ({Better is} 27. Qd2 $15) 27... Nf6 (27... Nb4 $17 28. Bb1 Rxd4) {[%tqu "En","","","","g3f4","",10]} 28. Qh4 (28. Qf4 $1 $11 {keeps the balance.}) 28... Rd5 ({Black should play} 28... Qa5 $17 29. Bb1 Qb4) 29. Nc4 Qc7 30. Ne5 (30. Rd2 $142) 30... Qb6 (30... Qa5 $17 31. f4 c5) 31. Nc4 Qc7 32. Ne5 {Weighted Error Value: White=0.57/Black=0.57. Loses game: White=1 --- Missed win: White=1 Black=1 Mistake: White=6 Black=4 Inaccurate: White=1 --- OK: White=5 Black=5 Best: White=2 Black=1 Strong: --- --- Brilliant: --- ---} (32. Rd2 $142) 1/2-1/2 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "4.1"] [White "Sakai, Azumi"] [Black "Mitsuyama, Rikka"] [Result "1-0"] [ECO "D36"] [WhiteElo "1774"] [BlackElo "1408"] [Annotator "Tactical Analysis 6.1"] [PlyCount "76"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 24,76,20,7,35,35,36,39,36,25,39,32,60,41,66,64,61,44,80,56,154,53,46,49,45,21,37,-24,-19,-14,34,-6,44,46,87,48,72,64,70,54,61,46,54,46,53,44,66,30,132,136,221,194,206,193,256]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 O-O 8. Bd3 Nbd7 9. Nf3 Re8 10. O-O h6 11. Bh4 Ne4 12. Bxe7 Qxe7 13. b4 Qxb4 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} (13... Ndf6 $5 {[%CAl Re7b4]}) 14. Nxe4 dxe4 15. Bxe4 Qe7 {White is slightly better.} 16. Bh7+ Kh8 17. Bd3 Nf6 18. Ne5 Ng4 19. Nf3 Nf6 20. Rab1 Nd5 $146 (20... Be6 $14) ({Predecessor:} 20... Rb8 21. Rb2 Nd5 22. Ne5 Be6 23. Rfb1 Qc7 24. e4 Nf4 25. Bc4 Bxc4 26. Qxc4 f6 27. Nf7+ Kh7 28. e5 fxe5 29. Nxe5 {1-0 Vlk,M (2059)-Vojacek,Z (1989) CZE-chT2d 0607 Czech Republic 2006 (11)}) 21. Qb3 (21. Qb2 {looks sharper.} c5 22. dxc5 Qxc5 23. Rfc1) 21... Rb8 (21... a5 $14) 22. Bc4 (22. Ne5 $16) 22... Be6 $14 23. Ne5 Kg8 24. Rfe1 f6 {[%tqu "En","","","","e3e4","",10]} 25. Nf3 (25. e4 $1 $14 Nf4 26. Bxe6+ Nxe6 27. Nf3) 25... b5 $11 {[%tqu "En","","","","c4f1","",10]} 26. Bf1 Qf7 (26... b4 $11) 27. Qc2 (27. a3 $14 {feels stronger.}) 27... Rbc8 (27... a5 $11) 28. Bd3 $14 {[#] Hoping for Bh7+.} Ne7 (28... Qf8 $14 {should be considered.}) 29. Rb2 (29. a3 $16) 29... Qh5 30. Nd2 f5 {Inhibits Ne4.} 31. Be2 Qg5 32. Nf3 Qf6 33. Qc5 a6 34. Ne5 Red8 35. Qb6 (35. Bf3 $14) 35... Nd5 (35... c5 $11 {keeps the balance.}) 36. Qxa6 $16 {White has more active pieces. White is clearly better.} Bf7 (36... Nc3 $16) 37. Rc1 {[%CAl Rc1c6]} Be8 {[#] aiming for ...Ra8.} 38. Bf3 {And now Bxd5+ would win.} Qd6 {Weighted Error Value: White=0.19 (very precise) /Black=0.26 (precise) . Loses game: --- --- Missed win: --- --- Mistake: White=5 Black=8 Inaccurate: --- Black=1 OK: White=7 Black=8 Best: White=1 Black=1 Strong: --- --- Brilliant: --- ---} (38... Ne7 {keeps fighting.} 39. Qa5 Ng6) 1-0 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.29"] [Round "4.2"] [White "Kato, Ami"] [Black "Kinoshita, Kanako"] [Result "1-0"] [ECO "D02"] [WhiteElo "1706"] [BlackElo "1729"] [Annotator "Tactical Analysis 6.1"] [PlyCount "75"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 9,75,9,108,113,117,56,223,227,215,217,425,208,185,183,139,40,31,3,2,0,9,-31,69,75,74,89,85,46,138,74,135,122,232,225,232,90,110,110,114,112,127,123,115,111,134,111,271,243,372,344,559,569,568,560,560,498,489,472,533,486,557,523,537,490,660,663,686,683]} 1. d4 Nf6 2. Bf4 d5 3. Nf3 c5 4. e3 Qb6 5. Nc3 Bg4 (5... a6 $11) 6. Nb5 $16 {[#] And now Nc7+ would win. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} ({Don't do} 6. Bb5+ Nc6 $14) 6... Na6 {Prevents Nc7+.} 7. Be2 $146 {White is more active.} (7. dxc5 $16 Qxc5 8. c3) ({Predecessor:} 7. dxc5 Qxc5 8. a3 e6 9. b4 Qb6 10. Rc1 Be7 11. Qd4 Bxf3 12. Qxb6 axb6 13. gxf3 O-O {1-0 Grachev,B (2628)-Savchenko,B (2613) RUS-ch blitz Sochi 2016 (22.4)}) 7... Nh5 $2 (7... e6 $14) {[%tqu "En","","","","d4c5","",10]} 8. dxc5 $1 $18 {White is clearly better.} Qxc5 9. Be5 {Strongly threatening Bd4.} Rc8 $2 (9... Nf6 10. a3 Bxf3) 10. Nc3 (10. c3 $142 Qb6 11. Bd4) 10... Nf6 11. Bxf6 gxf6 12. Bxa6 ({Much less strong is} 12. Nxd5 $6 Nb4 $14) (12. Bb5+ $16 Kd8 13. h3 (13. Qxd5+ Qxd5 14. Nxd5 Rxc2 $14)) 12... bxa6 $14 13. Qd4 {Prevents e6.} Rg8 14. Qxc5 Rxc5 15. Nd4 (15. O-O-O $11 {might be stronger.}) 15... e6 (15... Bd7 $15) {[%tqu "En","","","","h2h3","",10]} 16. h3 $1 {[%CAl Bh2h3,Bh3h4,Bh4h5][%mdl 32]} Bh5 17. g4 Bg6 {[%tqu "En","","","","f2f4","",10]} 18. O-O-O ({White should try} 18. f4 $1 $16 {[%CAl Rf4f5]}) 18... Bh6 (18... Rc4 $14) 19. Kb1 (19. f4 $142) 19... Ke7 (19... Bg7 $142) 20. h4 $16 Rb8 {Inhibits f3.} (20... Rc4 $16) {[%tqu "En","","","","d4b3","",10]} 21. Nb3 $1 $18 {Pair of Knights!} Rc4 {[%tqu "En","","","","f2f3","",10]} 22. Rhg1 (22. f3 $1 $18 {and White stays clearly on top.}) 22... Bg7 23. h5 Be4 24. Nxe4 Rxe4 25. Nd4 $36 {[%mdl 2048] White has strong initiative.} Rb6 {Against Nc6+} 26. Rd3 Bh6 27. Rc3 {[#] Black must now prevent Rc7+.} Kd6 {Inhibits Rc7.} (27... Kd7 $16) 28. Rc8 Rb7 (28... Bg5 $142 29. Rh8 f5) 29. Rh8 Rxe3 $2 (29... Bf4 {might work better.} 30. c3 Bh2) 30. fxe3 {White is clearly winning.} Bxe3 31. Rd1 h6 32. Rc8 Ke5 33. Nb3 Bg5 34. Rc6 f5 35. gxf5 Kxf5 36. Rxa6 Be7 37. Rf1+ Kg5 38. Rxf7 {Weighted Error Value: White=0.31/Black=0.72. Loses game: --- Black=1 Missed win: --- --- Mistake: White=7 Black=8 Inaccurate: White=1 Black=1 OK: White=11 Black=8 Best: White=1 --- Strong: White=2 --- Brilliant: --- ---} 1-0 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.30"] [Round "5.1"] [White "Kakishima, Hinata"] [Black "Sakai, Azumi"] [Result "0-1"] [ECO "A26"] [WhiteElo "1567"] [BlackElo "1774"] [Annotator "Tactical Analysis 6.1"] [PlyCount "37"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 17,37,35,112,48,88,-73,-91,-147,-132,-196,-200,-191,-188,-225,-180,-380,-378,-339,0,-242,-246,-238]} 1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. Nf3 O-O 7. O-O e5 8. Rb1 Nc6 9. b4 Nh5 (9... a6 $14) 10. Ng5 {A26: English Opening vs King's Indian with ...Nc6 and d3.} (10. b5 $16) 10... e4 $146 (10... Kh8 $14) ({Predecessor:} 10... Nf6 11. b5 Ne7 12. f4 exf4 13. Bxf4 h6 14. Nh3 Ng4 15. Bd2 Kh7 16. Qc1 c6 17. e3 Bd7 18. d4 Rb8 19. Nf2 Nf6 20. Nd3 b6 21. a4 {½-½ Sesselmann,M (1710)-Helsper,D (1581) Landesliga U20 Nord 1718 Bayern 2017 (6.1)}) 11. dxe4 $2 {[#]} Bxc3 $17 12. exf5 ({Better is} 12. b5 Na5 13. exf5 Bxf5 14. Qd5+ Kg7 15. e4) 12... Bxf5 ({Don't take} 12... Rxf5 13. Ne4 $14) 13. Rb3 (13. e4 $17 {was called for.} Bd7 14. b5) 13... Bf6 $19 ({Not} 13... Bxb4 14. Bd5+ Kg7 15. Bxc6 bxc6 16. Rxb4 $14) 14. Bd5+ Kg7 15. h4 Nd4 16. Rd3 {[#]} (16. e4 Bd7 17. Rd3) 16... Bxd3 17. Qxd3 Re8 $2 (17... Qe7 $19 18. Be3 c6 19. Bxd4 cxd5 20. cxd5 Kg8) {[%tqu "En","","","","g5f7","",10]} 18. e3 (18. Nf7 $1 $11 Qe7 19. Bh6+ Kg8 20. Nd8+ Kh8 21. Nf7+ Kg8 22. Nd8+ Kh8 23. Nf7+ Kg8) 18... c6 19. Bg2 {Weighted Error Value: White=1.06/Black=0.81. Loses game: White=1 --- Missed win: --- Black=1 Mistake: White=4 Black=1 Inaccurate: --- --- OK: White=2 Black=2 Best: --- Black=2 Strong: --- --- Brilliant: --- ---} 0-1 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.30"] [Round "5.2"] [White "Hasegawa, Emi"] [Black "Kato, Ami"] [Result "0-1"] [ECO "E81"] [WhiteElo "1681"] [BlackElo "1706"] [Annotator "Tactical Analysis 6.1"] [PlyCount "94"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 16,94,31,-1,62,28,21,-17,-9,-9,-20,-13,0,13,56,20,91,-14,94,96,92,0,16,4,37,33,47,-56,-49,-140,-114,-185,-19,-160,-145,-159,-101,-103,-102,-117,-94,-117,-91,-155,-157,-260,-258,-236,-176,-265,-162,-167,-46,-257,-249,-351,-355,-3783,-839,-825,-822,-777,-749,-669,-593,-578,-582,-575,-529,-29977,-29980,-29979,-29978,-29976,-29977,-29977,-29978,-29976,-29975,-29968,-780]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 c5 8. d5 a6 9. a4 Rb8 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} (9... Qa5 $11) 10. Nge2 Ne5 {[%tqu "En","","","","e2g3","",10]} 11. Nc1 (11. Ng3 $142 $1) 11... e6 {The position is equal.} {[%tqu "En","","","","f1e2","",10]} 12. Be2 $1 exd5 13. cxd5 Ne8 $146 ({Predecessor:} 13... Bd7 14. a5 b5 15. axb6 Bb5 16. Nxb5 axb5 17. b4 c4 18. Ra5 Rxb6 19. Bxb6 Qxb6 {½-½ Bali,J (2281)-Biro,D (2198) HUN-chT2 Maroczy 0607 Hungary 2006 (1)}) 14. O-O Nc7 (14... f5 $11 {should be considered.}) 15. Bh6 (15. Nb3 $14) 15... b5 (15... Bxh6 $11 {keeps the balance.} 16. Qxh6 f5) {[%tqu "En","","","","h6g7","",10]} 16. axb5 (16. Bxg7 $1 $16 Kxg7 17. axb5 axb5 18. Nd3) {[%tqu "En","","","","g7h6","",10]} 16... axb5 (16... Bxh6 $1 $11 {remains equal.} 17. Qxh6 Nxb5) 17. Bxg7 $16 Kxg7 18. b3 (18. f4 $16 Nd7 19. Nb3) 18... b4 19. Na4 Nb5 20. Bxb5 Rxb5 21. Qb2 (21. Nb2 $14) 21... Kg8 $15 22. Rd1 (22. f4 $15 Ng4 23. Nd3) 22... Qg5 23. Kh1 (23. Rf1 $17 {was necessary.} Qe7 24. Ne2) 23... Qh5 $2 {[#]} ({Better is} 23... f5 $19 {Strongly threatening ...fxe4.} 24. Nd3 Nxd3 25. Rxd3 fxe4 26. fxe4 Ra5) 24. Qf2 (24. Nd3 $11 Nxd3 25. Rxd3) 24... f5 $40 {[%mdl 128] Black wants a kill.} 25. exf5 Qxf5 (25... Bxf5 $142 26. Ne2 Qg5) 26. Nb2 Rb8 {Black is more active.} 27. Ncd3 Nxd3 28. Rxd3 Bb7 29. Rad1 (29. h3 $142) {[%tqu "En","","","","b7a6","",10]} 29... Ba6 $1 30. Nc4 (30. R3d2 $17) 30... Bxc4 $19 31. bxc4 Ra8 {[%CAl Of5d3]} 32. Qb2 (32. Re3 {was worth a try.}) 32... Ra7 33. Qe2 Rf6 ({Black should play} 33... Qf4 $19 34. Re3 {[%tqu "En","","","","a7a2","",10]} Ra2 $1 35. Qxa2 Qxe3) 34. g4 $2 {Now White is beyond hope.} (34. h3 $15) {[%tqu "En","","","","f5f4","",10]} 34... Qf4 $1 35. Qe8+ (35. Re3 {is a better defense.}) 35... Kg7 {Hoping for ...Ra2.} ({Not} 35... Rf8 $2 36. Qe4 $19) 36. Qb5 $2 (36. Qe2 Qxc4 37. Kg1) 36... Re7 (36... Ra2 $142 37. Qd7+ Rf7 38. R1d2 Rxd2 39. Rxd2 Qxd2 40. Qe8 Qd1+ 41. Qe1 Qxe1+ 42. Kg2 Qe2+ 43. Kg3 Rxf3+ 44. Kh4 Qxh2+ 45. Kg5 h6#) 37. R1d2 Re3 38. Rxe3 Qxe3 {[%mdl 4096] Endgame KQR-KQR} 39. Rg2 Qxf3 40. Qd7+ Rf7 41. Qxd6 Qe3 {[#] Inhibits Qe5+. ( -> ...Rf1+)} 42. Qg3 Rf1+ {Black mates.} 43. Rg1 Qe4+ 44. Qg2 Qxg2+ (44... Qxc4 45. Rxf1 b3 46. Qf3 Kh6 47. Qe3+ Kg7 48. Qe7+ Kh6 49. g5+ Kh5 50. Qxh7+ Kxg5 51. Rg1+ Kf6 52. Qxg6+ Ke5 53. Re1+) 45. Kxg2 Rxg1+ 46. Kxg1 b3 47. d6 Kf7 {Weighted Error Value: White=0.73/Black=0.45. Loses game: White=1 --- Missed win: --- Black=1 Mistake: White=13 Black=6 Inaccurate: White=2 Black=3 OK: White=5 Black=7 Best: White=1 Black=2 Strong: White=1 Black=1 Brilliant: --- ---} (47... Kf6 $142 48. Kf2 b2 49. h4 Ke6 50. h5 b1=Q 51. g5 gxh5 52. d7 Kxd7 53. Kf3 Kd6 54. Kg2 Qf5 55. Kg3 Ke5 56. g6 hxg6 57. Kh2 Kf4 58. Kg2 Qc2+ 59. Kg1 Kg3 60. Kh1 Qh2#) 0-1 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.30"] [Round "6.1"] [White "Sakai, Azumi"] [Black "Shibata, Misaki"] [Result "1-0"] [ECO "E10"] [WhiteElo "1774"] [BlackElo "1668"] [Annotator "Tactical Analysis 6.1"] [PlyCount "67"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 9,67,31,75,18,19,4,0,1,43,0,8,3,7,8,12,-47,5,-71,19,-81,-79,-91,-85,-89,-41,-68,-74,-106,-93,-98,-102,-112,-97,-106,-103,-121,-91,-98,-60,-177,-83,-94,0,0,0,0,0,-62,11,11,185,172,525,531,533,528,532,539,574,565]} 1. d4 Nf6 2. c4 e6 3. Nf3 h6 4. a3 d5 5. Nc3 Bd6 (5... c5 $14 {feels stronger.}) 6. e3 {E10: Blumenfeld Gambit.} (6. c5 $16 Be7 7. Bf4) 6... b6 $11 7. cxd5 $146 ({Predecessor:} 7. b4 a5 8. Rb1 axb4 9. axb4 dxc4 10. Bxc4 Bb7 11. O-O O-O 12. Bd3 Qe7 13. b5 {½-½ Fedoseev,V (2741)-Nihal,S (2628) Wch Rapid Almaty 2022 (4)}) 7... exd5 8. Bd3 {The position is equal.} Bb7 (8... O-O $11 {is more appropriate.}) 9. Qc2 (9. Nh4 $14 {is superior.}) 9... O-O 10. Nb5 c5 {[%CAl Bc7c5,Bc5c4][%mdl 32]} 11. Nxd6 Qxd6 12. Bd2 (12. b3 $11) 12... Ba6 (12... c4 $15 13. Be2 Nc6) 13. O-O (13. Bxa6 $11 Nxa6 14. O-O) 13... Re8 (13... Bxd3 $17 14. Qxd3 Nc6) 14. Rac1 (14. Bxa6 $11 Nxa6 15. Rac1) 14... Bxd3 $17 15. Qxd3 {[%tqu "En","","","","c5c4","",10]} c4 16. Qc2 Nbd7 (16... b5 $17) 17. Bb4 Qe6 18. Qa4 a5 19. Bc3 Ne4 {[%CAl Ob6b5]} 20. Qb5 Nd6 21. Qa4 b5 22. Qc2 Nb6 23. Ne5 Nb7 (23... Na4 $17) 24. e4 ({Better is} 24. Rfe1 $15) 24... dxe4 (24... f6 $19 25. exd5 Nxd5) 25. Qxe4 Nd5 (25... Nd6 $17 26. Qf3 f6) 26. Qf3 $11 Red8 27. Rfe1 {[%CAl Oe5c4,Bf1e1,Be1e5,Be5d5][%mdl 32]} Qf6 {Strongly threatening ...Qxf3.} 28. Qxf6 (28. Qe4 $11) 28... Nxf6 (28... gxf6 $15 29. Ng4 h5 30. Nh6+ Kf8) 29. Nc6 $36 {[%CAl Be5c6,Bc6e7,Be7d5,Bd5c7][%mdl 2080] Black is under pressure.} Rd7 {[#] Black cannot hold the game after this.} (29... Rd6 $11 30. Ne7+ Kf8) 30. Re5 $18 Nd5 $2 (30... b4 {is a better chance.}) {[%tqu "En","","","","e5d5","",10]} 31. Rxd5 $1 {[%mdl 512] White is clearly winning.} Rxd5 32. Ne7+ Kf8 33. Nxd5 Rb8 34. Nc7 {Weighted Error Value: White=0.31/Black=0.50. Loses game: --- Black=1 Missed win: --- --- Mistake: White=6 Black=9 Inaccurate: White=2 --- OK: White=11 Black=5 Best: White=2 Black=1 Strong: --- --- Brilliant: White=1 ---} 1-0 [Event "Japan Women's Chess Championship 2023"] [Site "Chess.com"] [Date "2023.07.30"] [Round "6.2"] [White "Kato, Ami"] [Black "Takayasu, Melody"] [Result "0-1"] [ECO "B08"] [WhiteElo "1706"] [BlackElo "1690"] [Annotator "Tactical Analysis 6.1"] [PlyCount "158"] [EventDate "2023.??.??"] [TimeControl "2700+30"] {[%evp 10,158,45,47,142,109,106,92,120,96,111,99,142,149,142,93,91,82,146,147,153,155,184,173,180,175,184,143,144,155,177,104,100,92,130,110,129,16,147,72,369,139,120,-84,582,587,606,600,589,296,299,221,223,0,0,-376,-375,-350,213,-285,60,35,316,299,331,351,433,432,396,346,346,302,361,172,201,39,460,489,470,254,241,251,481,438,379,124,414,414,409,396,376,323,397,32,41,78,79,81,63,83,582,581,651,561,616,616,616,515,482,-494,-47,-520,-514,-9605,-5724,-1716,-713,-706,-710,-705,-705,-706,-691,-1178,-867,-29980,-29981,-29983,-29984,-29984,-29983,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29990,-29991,-29994,-29991,-29991,-29992,-29995,-29993]} 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Qd2 b6 {6...c5 gains popularity. B08: Pirc Defence: Classical System.} (6... c5 $14 7. d5 Nbd7) 7. O-O-O Bb7 8. Bd3 c5 {White is better.} 9. Bh6 cxd4 10. Nxd4 Nc6 (10... Bxh6 $142 11. Qxh6 Nbd7) {[%tqu "En","","","","d4c6","",10]} 11. Nxc6 $1 $16 Bxc6 12. Bxg7 $146 ({Better is} 12. f3) ({Predecessor:} 12. h4 e6 13. h5 Qe7 14. f3 Rfd8 15. g4 Bh8 16. Qg5 Rd7 17. Qh4 Ne8 18. hxg6 fxg6 {1-0 Elgersma,S (2148)-Van der Werf,M (2412) Leiden Noteboom Memorial 79th 2019 (6)}) 12... Kxg7 13. f3 {Against b5} a5 (13... h5 $142) 14. h4 {[%CAl Oh4h5]} h5 15. g4 {[%CAl Bg2g4,Bg4g5][%mdl 32]} Rh8 {[%tqu "En","","","","g4g5","",10]} 16. g5 $1 Nd7 17. f4 Rf8 (17... Nc5 18. Bc4 $16) 18. Rhg1 ({White should play} 18. a4 $18) 18... a4 19. a3 (19. Bb5 $6 Bxb5 20. Nxb5 a3 $16) 19... Qb8 20. Ne2 (20. Rge1 $18) 20... Qb7 {[%CAl Od7c5]} 21. Ng3 {[%CAl Oe4e5]} Rac8 (21... Nc5 $142) 22. Qe3 Nc5 23. e5 (23. Kb1 $16) 23... d5 (23... dxe5 $11 {remains equal.} 24. Qxe5+ Kg8) {[%tqu "En","","","","e5e6","",10]} 24. f5 (24. e6 $142 $1) 24... e6 $2 {[%mdl 8192]} (24... d4 $16 25. Qf4 (25. Qxd4 e6 $16) 25... Bd5) {[%tqu "En","","","","g3h5","",10]} 25. f6+ $2 (25. Nxh5+ $1 $18 {[%mdl 512] is the precise move to win.} gxh5 (25... Kh8 26. fxg6) 26. f6+ Kg8 27. g6 Nb3+ 28. cxb3 fxg6 29. Rxg6+ Kf7 30. Rg7+ Ke8 31. Rxb7 Bxb7+ 32. Kb1) 25... Kg8 {[%CAl Od5d4] [#] ...d4! is the strong threat.} 26. Nxh5 $2 b5 $2 {[%mdl 8192]} (26... gxh5 $2 27. g6 Nxd3+ 28. Rxd3 $18) (26... d4 $17 {keeps the pressure on.} 27. Qe1 gxh5) 27. Qxc5 $18 d4 {[%tqu "En","","","","c5b4","",10]} 28. Qb4 $1 Bf3 (28... Be4 29. Nf4) 29. Rdf1 Bxh5 30. Qxb5 (30. Bxb5 Qd5 $14) 30... Qa7 31. Be2 $2 (31. Rf4 $18) 31... Rc5 {[%tqu "En","","","","b5a6","",10]} 32. Qd3 {[%mdl 8192]} (32. Qa6 $1 $11 Qc7 33. Kb1 Rxc2 34. Rc1 (34. Qxa4 $2 Rxe2 35. Qxd4 Rb8 $19) 34... Bxe2 35. Qxe2 (35. Rxc2 $2 Qxc2+ 36. Kxc2 Bxa6 $19) 35... Rxe2 36. Rxc7) 32... Bxe2 $19 33. Qxe2 {[#] Strongly threatening h5.} Qc7 $4 {[%mdl 8192]} (33... Qb6 $19 {and life is good for Black.} 34. Rg4 Rfc8) {[%tqu "En","","","","h4h5","",10]} 34. Rf2 $4 {[%mdl 8192]} (34. h5 $1 $18 {[%CAl Rh5g6] was the only winning move.} Rc8 35. Rf2 Qxe5 36. Qxe5 Rxe5 37. hxg6 fxg6 38. Rg4) 34... Rxe5 $2 ({Black should try} 34... Rb8 $19 35. Qa6 Qxe5) 35. Qd3 $36 {[%mdl 2048] And now h5 would win. White has good play.} (35. Qg4 {simplifies} Qb6 36. Rd2 Rd8 37. Rgd1) {[%tqu "En","","","","c7b6","",10]} 35... Rf5 $2 {[%mdl 8192] Against h5} (35... Qb6 $1 $14 36. Rd1 Rd5) 36. Rxf5 $18 (36. Qxd4 Rd8 37. Qe3 (37. Qxa4 $2 Rxf2 38. Kb1 Rf4 $19) 37... Re5 $16) 36... exf5 37. Qxd4 {[%mdl 4096] Endgame KQR-KQR} Ra8 38. Re1 Qc6 39. Qb4 Rc8 {[%csl Gc8][%CAl Rc6c2]} 40. Qd2 f4 41. c3 (41. Qxf4 $2 Qxc2#) (41. Kb1 $142) 41... f3 42. Qf2 $2 (42. h5 $18 {Hoping for hxg6.} gxh5 43. g6) 42... Qc4 $2 {[%mdl 8192]} (42... Qd5 $14) 43. Qxf3 Qxh4 44. Rh1 (44. Qe3 Rb8 45. Qd2 Kh7 $18) (44. Re5 $142) 44... Qxg5+ 45. Kb1 Qf5+ (45... Re8 {was worth a try.} 46. Qf2 Qd5) 46. Qxf5 gxf5 {KR-KR} 47. Rg1+ $2 (47. Rh4 $18 {has better winning chances.}) 47... Kf8 $2 {[%mdl 8192]} (47... Kh7 $16 {is a better defense.}) 48. Rf1 Rc5 49. Rf4 Ra5 50. Kc2 Kg8 51. Kd3 $2 (51. Rf2 $18 Kh7 52. Rg2) {[%tqu "En","","","","g8h7","",10]} 51... Kh7 $1 $14 52. Kd4 (52. c4 $14) 52... Kg6 $16 53. c4 Kxf6 54. c5 {Threatens to win with Kd5.} Kg5 $2 {[%mdl 8192]} (54... Rb5 $16 {is tougher.}) 55. Rf2 $18 Kg4 56. Rc2 Kg3 57. c6 Ra8 58. Ke5 f4 {aiming for ...f3.} 59. Ke4 {[%mdl 8192]} (59. c7 $18 {is the narrow road to win.} Rc8 60. Kd6) 59... Re8+ $2 (59... f3 $19 60. Rc5 Re8+ 61. Kd4 f2) 60. Kd4 $2 {[%mdl 8192]} (60. Kd5 $15) 60... f3 $19 61. Kd5 (61. Rc5 $142 f2 62. Rf5) 61... f2 62. Rc1 {Inhibits f1Q.} Re1 (62... Kg2 $142 63. Kd6 Re1) 63. Rc3+ Kg2 64. c7 Re8 (64... f1=R 65. c8=Q (65. c8=B $2 {loses.} Rf3 $19) 65... Re6 66. Rc2+ Kg1 67. Qc5+ Kh1 68. Qc7 Rf5+ 69. Kd4) 65. Rc2 Kg1 66. Rc1+ f1=Q (66... f1=B $2 67. c8=Q (67. c8=B Kf2 $11) 67... Rxc8 68. Rxc8 $18) 67. Rxf1+ Kxf1 {KR-K3P. Black mates.} 68. Kd6 f5 69. Kd7 Rh8 70. c8=Q Rxc8 71. Kxc8 {KPP-KPP} f4 72. Kb7 Ke2 73. Kb6 Kd3 74. Kb5 f3 75. Kxa4 f2 76. Ka5 f1=Q 77. b4 Qe1 78. Kb5 Qe5+ 79. Ka6 Kc4 {Black used his chance. Weighted Error Value: White=1.06/Black=0.93. Loses game: White=2 Black=6 Missed win: White=6 Black=3 Mistake: White=10 Black=5 Inaccurate: --- Black=1 OK: White=16 Black=12 Best: White=3 Black=8 Strong: White=1 Black=1 Brilliant: --- ---} 0-1