Steinitz - Zukertort 1886

[Event "World Championship 01st"] [Site "USA"] [Date "1886.03.29"] [Round "20"] [White "Steinitz, Wilhelm"] [Black "Zukertort, Johannes Hermann"] [Result "1-0"] [ECO "C25"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "37"] [EventDate "1886.01.11"] [EventType "match"] [EventRounds "20"] [EventCountry "USA"] [SourceTitle "Steinitz"] [Source "ChessBase"] [SourceDate "2003.03.04"] [SourceVersion "1"] [SourceVersionDate "2003.03.04"] [SourceQuality "1"] {[%evp 9,37,-9,0,-20,0,0,0,-24,-12,-22,24,0,0,-9,-21,-34,126,117,292,265,264,281,318,343,594,580,1068,1017,29985,1906]} 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 {C25: Vienna Game: Alternatives to 2...Nf6} d5 5. exd5 Qh4+ 6. Ke2 $1 {[#] aiming for Nf3.} Qe7+ (6... Bg4+ 7. Nf3 O-O-O 8. dxc6 Bc5 9. cxb7+ Kb8 10. Nb5 Nf6 11. Kd3 Qh5 12. Kc3 Bxd4+ 13. Nbxd4 {1-0 (51) Steinitz,W-Zukertort,J London 1872}) 7. Kf2 $1 Qh4+ 8. g3 {The position is equal.} fxg3+ 9. Kg2 Nxd4 (9... Qxd4 $6 10. Qe2+ Nce7 11. Nb5 $16 (11. hxg3 Nf6 $11)) (9... Bd6 {was preferrable.} 10. Qe1+ {[%mdl 64] Double Attack} Qe7) 10. hxg3 $11 Qg4 {Threatens to win with ...Qxd1.} 11. Qe1+ Be7 $1 12. Bd3 Nf5 $146 (12... Kf8 $1 $15 {stays ahead.}) ({Predecessor:} 12... Kf8 13. Bf4 {1-0 (34) Steinitz,W-Martinez,D Philadelphia,PA 1883}) 13. Nf3 {Strongly threatening Nb5.} Bd7 $2 (13... Nd6 $16) 14. Bf4 $18 {Black must now prevent Ne5.} (14. Ne5 Qxg3+ 15. Qxg3 Nxg3 $16) 14... f6 15. Ne4 ({Much less strong is} 15. Bxc7 $6 Kf8 $18) 15... Ngh6 16. Bxh6 {Bf4 is the strong threat.} ({Less strong is} 16. Bxc7 O-O $14) 16... Nxh6 $2 {[#]} (16... O-O 17. Bf4 Rfe8) 17. Rxh6 $1 {[%mdl 512]} gxh6 18. Nxf6+ $1 {[%mdl 64] Double Attack, Discovered Attack} Kf7 19. Nxg4 {Accuracy: White = 89%, Black = 15%.} (19. Ne5+ $142 Kxf6 20. Nxg4+ Bxg4 21. Qe4 Rae8 22. Qxg4 Ba3 23. Qf4+ Kg7 24. Qd4+ Kg8 25. Rf1 {[%mdl 64] Decoy}) 1-0 [Event "Baden-Baden"] [Site "Baden-Baden"] [Date "1870.07.30"] [Round "13"] [White "Steinitz, Wilhelm"] [Black "Paulsen, Louis"] [Result "1-0"] [ECO "C25"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "71"] [EventDate "1870.07.18"] [EventType "tourn"] [EventRounds "18"] [EventCountry "GER"] [SourceTitle "CBM 060"] [Source "ChessBase"] [SourceDate "1997.09.29"] [SourceVersion "1"] [SourceVersionDate "1997.09.29"] [SourceQuality "1"] {[%evp 14,70,-11,-7,-7,-40,32,6,49,49,103,87,85,0,53,65,58,61,58,65,72,81,121,112,196,152,369,279,575,586,609,601,674,667,649,608,899,782,1918,1724,29991,29992,29992,3213,29991,2091,2056,977,29991,29992,29995,29992,29992,29993,29997,29998,29998,29999,29999]} 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 d6 6. Nf3 Bg4 7. Bxf4 O-O-O 8. Ke3 {LiveBook: 4 Games. C25: Vienna Game: Alternatives to 2...Nf6} Qh5 9. Be2 Qa5 ({Better is} 9... g5 $15 10. Nxg5 Nf6) 10. a3 $14 {aiming for b4.White is slightly better.} Bxf3 (10... Nf6 $11 {deserves consideration.}) 11. Kxf3 {Hoping for Kf2.} ({Reject} 11. gxf3 g5 $17) 11... Qh5+ (11... f5 $14) 12. Ke3 {[%CAl Bf3e3,Be3f2,Bf2g1][%mdl 32]} Qh4 13. b4 (13. d5 $16 Ne5 14. Qd4) 13... g5 ({Black should try} 13... f5 $11 14. g3 Qe7) 14. Bg3 $36 {[%mdl 2048] White has the initiative.} Qh6 {And now ...Bg7 would win.} 15. b5 $1 {[%CAl Rb5c6]} Nce7 16. Rf1 Nf6 17. Kf2 Ng6 18. Kg1 Qg7 (18... Nf4 $16) 19. Qd2 (19. a4 $18) 19... h6 $2 (19... Nf4 $16 20. Bxf4 gxf4 21. Rxf4 (21. Qxf4 Be7 $18) 21... Be7) 20. a4 Rg8 $2 {[#]} (20... Nf4 21. Bxf4 gxf4 22. Qxf4 Rg8) 21. b6 $1 $18 {[%mdl 512]} axb6 {[#]} 22. Rxf6 $1 {[%mdl 512]} Qxf6 23. Bg4+ Kb8 24. Nd5 Qg7 25. a5 f5 26. axb6 {White wants to mate with Ra8+!} cxb6 27. Nxb6 Ne7 28. exf5 (28. Qb4 $142 Qf6 29. Qc4 Nc6 30. Ra8+ Kc7 31. Nd5+ {[%mdl 64] Double Attack} Kd7 32. Nxf6+ Ke7 33. Bh5) 28... Qf7 29. f6 (29. Ra8+ $142 Kc7 30. Qa5 Nc6 31. Nd5+ {[%mdl 64] Discovered Attack} Kd7 32. Rxd8+ Nxd8 33. Qc7+ Ke8 {[#]} 34. Bh5 $1 {[%mdl 512]} Rg6 35. Bxg6 Qxg6 {[%mdl 64] Remove Defender} 36. fxg6 h5 37. Nf6#) 29... Nc6 30. c4 (30. d5 $142) 30... Na7 31. Qa2 {White mates.} Nb5 32. Nd5 Qxd5 33. cxd5 Nxd4 34. Qa7+ {[%mdl 64] Double Attack} Kc7 35. Rc1+ Nc6 36. Rxc6# {Accuracy: White = 58%, Black = 13%.} 1-0 [Event "Moscow International-03"] [Site "Moscow (Russia)"] [Date "1936.05.27"] [Round "10"] [White "Kan, Ilia Abramovich"] [Black "Capablanca, Jose Raul"] [Result "0-1"] [ECO "C25"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "113"] [EventDate "1936.05.14"] [EventType "tourn"] [EventRounds "18"] [EventCountry "URS"] [SourceTitle "CBM 063"] [Source "ChessBase"] [SourceDate "1998.03.26"] [SourceVersion "1"] [SourceVersionDate "1998.03.26"] [SourceQuality "1"] {[%evp 10,113,15,8,17,6,33,41,65,56,63,36,49,53,56,50,55,21,25,1,1,-10,-10,-7,-7,-7,-5,-14,1,-15,-1,-5,0,-19,-18,-18,-19,-27,-22,-36,-20,-22,-19,-34,-25,-30,-22,-42,-42,-48,-46,-49,-49,-49,-43,-49,-43,-43,-40,-45,-42,-42,-42,-59,-42,-52,-35,-31,-16,-16,0,-83,-27,-143,-124,-154,-147,-216,-212,-215,-201,-211,-172,-280,-280,-280,-280,-268,-174,-246,-222,-453,-431,-419,-365,-812,-767,-687,-621,-1117,-1076,-5148,-962,-3977,-1163,-11878]} 1. e4 e5 2. Nc3 Bc5 3. Nf3 d6 4. Na4 Bb6 5. Nxb6 axb6 6. d4 {LiveBook: 5 Games. C25: Vienna Game: Alternatives to 2...Nf6} exd4 7. Qxd4 Qf6 8. Bg5 {White is slightly better.} Qxd4 9. Nxd4 Bd7 $146 ({Predecessor:} 9... Na6 10. O-O-O f6 11. Bf4 Ne7 12. Bc4 Bd7 13. a3 Ng6 {1-0 (29) Perlis,J-Berger,J Vienna (Wiener SK) 1907}) 10. Bc4 Ne7 11. O-O Ng6 12. a3 O-O 13. Rad1 (13. Rfe1 {keeps more tension.} Ba4 14. Be3 Ne5 15. Be2 Nbc6 16. b3) 13... Nc6 14. Nxc6 bxc6 15. Bd2 Ra4 16. Bd3 $1 Ne5 17. Bc3 f6 18. f3 Re8 19. Rf2 Bc8 20. Bf1 Ba6 21. Bxa6 Rxa6 22. Bxe5 fxe5 $11 {[%mdl 4096] Endgame KRR-KRR} 23. Rd3 b5 24. Rfd2 c5 25. Kf2 Ra4 26. Ke3 Kf7 27. Rd1 Ke6 28. Kd2 Rb8 29. Rc3 g5 30. h3 h5 31. Rh1 Rd4+ 32. Ke2 Rg8 33. Rd3 Ra4 34. Rhd1 g4 35. hxg4 hxg4 36. Ke3 Rh8 37. Rb3 Rh2 38. Rd2 $1 Rd4 {...Rxd2 is the strong threat.} 39. Re2 $1 c6 40. Rc3 (40. fxg4 $11 {keeps the balance.} Rh4 41. Kf3) 40... g3 ({Black should try} 40... gxf3 $17 41. Kxf3 Rh7) 41. Rd3 {[#]} (41. f4 $1 $11 {was the only way to keep the balance.}) 41... Rh1 $1 $17 42. f4 Rf1 43. f5+ (43. fxe5 $17 Kxe5 44. Kd2) 43... Kf6 $19 44. c3 Rxd3+ 45. Kxd3 {[#] KR-KR} d5 $1 {Strongly threatening ...c4+.} 46. b3 (46. Rd2 $142) 46... c4+ 47. bxc4 bxc4+ ({But not} 47... dxc4+ 48. Ke3 $19) 48. Ke3 Ra1 49. Kf3 (49. exd5 $142 cxd5 50. Rd2 Kxf5 51. Rxd5 Re1+ 52. Kf3) 49... Rxa3 50. Kxg3 $2 (50. Kg4 {was necessary.}) 50... Rxc3+ 51. Kh4 {Now g4 and White clings on.} Rc1 {Threatens to win with ...d4.} 52. g4 $2 (52. Ra2 dxe4 53. Kg4) 52... Rh1+ {Black is clearly winning.} 53. Kg3 d4 {[%CAl Bd5d4,Bd4d3][%mdl 32]} 54. Ra2 d3 55. Kg2 Re1 (55... c3 $142 56. Kxh1 c2) 56. Kf2 Rxe4 {Hoping for ...c3.} 57. Kf3 {Accuracy: White = 27%, Black = 60%.} 0-1 [Event "Maehrisch Ostrau International Masters"] [Site "Maehrisch Ostrau"] [Date "1923.07.05"] [Round "4"] [White "Rubinstein, Akiba"] [Black "Hromadka, Karel"] [Result "1-0"] [ECO "C30"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "57"] [EventDate "1923.07.01"] [EventType "tourn"] [EventRounds "13"] [EventCountry "CSR"] [SourceTitle "HCL"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 17,57,-74,-47,-60,15,0,34,2,31,28,72,56,81,70,122,114,124,126,121,116,132,122,125,122,139,137,215,245,242,244,233,226,344,337,337,340,330,317,453,451,450,435]} 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 Qe7 {LiveBook: 4 Games} 10. fxe5 {C30: King's Gambit Declined} dxe5 ({Better is} 10... Nxc2+ $15 11. Kd1 Nh5) 11. Kd1 $11 (11. Qxg7 $2 Rg8 $19) 11... c6 12. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32] White is slightly better.} Rg8 $146 ({Predecessor:} 12... Nh5 13. Qg4 g6 14. Rf1 f6 15. Nb1 Rf8 16. Bh6 Ng7 17. Bxg7 Qxg7 {1-0 (34) Mieses,J-Leonhardt,P London 1905}) 13. Rf1 h6 (13... O-O-O $11 {is superior.}) 14. Ne2 $16 O-O-O 15. Nxd4 Bxd4 (15... exd4 $14 16. Bf4 Rd7) 16. c3 $1 {[%CAl Rc3d4]} Bb6 17. a5 Bc7 18. Be3 {[%CAl Bc1e3,Be3g1,Bg1c5,Bc5d6][%mdl 32]} Kb8 19. Kc2 Ka8 20. Rf3 Nd5 21. Bg1 Nf4 (21... Nf6 $16 {might work better.} 22. b4 Bb8) 22. Qf2 $18 {[%csl Gg1][%CAl Rf2a7]} Bb8 23. g3 Nxh3 24. Rxf7 $40 {[%mdl 128] White has strong attack.} Qd6 {[#]} (24... Qe8 {is a better defense.} 25. Qc5 (25. a6 b6 $16) 25... Nxg1) 25. Qb6 $3 {[%csl Gf7][%CAl Rb6b7][%mdl 512]} Rd7 {...Rxf7 is the strong threat.} ({And not} 25... axb6 26. axb6+ Ba7 27. Rxa7+ (27. Bc5 Qb8 $11) 27... Kb8 28. Rfxb7+ Kc8 {[#]} 29. Bc5 $1 {[%mdl 512]} Qd7 30. Rxd7 Rxd7 31. Be6) 26. Bc5 Rxf7 27. Bxd6 Rf2+ (27... Bxd6 {was called for.} 28. Bxf7 axb6) 28. Qxf2 Nxf2 29. Bc5 {Accuracy: White = 80%, Black = 25%.} 1-0 [Event "World Championship 11th"] [Site "Berlin"] [Date "1910.12.08"] [Round "11"] [White "Lasker, Emanuel"] [Black "Janowski, Dawid Markelowicz"] [Result "1-0"] [ECO "C30"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "59"] [EventDate "1910.11.08"] [EventType "match"] [EventRounds "11"] [EventCountry "GER"] [SourceTitle "Lasker-Biography"] [Source "ChessBase"] [SourceDate "2002.01.23"] [SourceVersion "2"] [SourceVersionDate "2003.03.04"] [SourceQuality "1"] {[%evp 9,59,-36,-42,-49,-41,-37,-16,-103,-25,-45,-10,-15,-15,-28,-28,-12,-12,-48,37,15,21,12,73,-2,0,0,30,-21,-14,-17,-36,-3,0,-72,-64,-63,-132,-91,-37,-45,-38,-54,-45,-89,101,110,1931,1626,2975,3635,29986,3937]} 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. d4 {C30: King's Gambit Declined} Bxf3 6. gxf3 Qh4+ 7. Ke2 Bb6 8. Na3 $146 {[#]} (8. a4 $11 a5 9. dxe5 (9. fxe5 dxe5 10. d5 f5 $11)) ({Predecessor:} 8. fxe5 dxe5 9. Be3 Ne7 10. Na3 Nbc6 11. Nc4 exd4 12. Bxd4 Bxd4 13. cxd4 {0-1 (34) Marco,G-Janowski,D Pretoria 1904}) 8... f5 (8... exd4 $1 $17 {aiming for ...Nc6.} 9. cxd4 Ne7) 9. Nc4 $11 ({But not} 9. exf5 exd4 10. Qe1 Qxe1+ 11. Kxe1 dxc3 $17) 9... fxe4 10. fxe5 dxe5 11. Nxe5 {Threatens to win with Qb3.} Nc6 12. Nxc6 bxc6 13. Bg2 Qh5 (13... Nf6 $15 14. Qe1 Qh5) 14. Be3 Qb5+ 15. Kf2 Ne7 (15... Qxb2+ $11 16. Qe2 Qxe2+ 17. Kxe2 exf3+ 18. Bxf3 Ne7) 16. fxe4 (16. Qb3 $16) 16... Qxb2+ 17. Qd2 O-O+ 18. Ke2 (18. Kg3 $142 Qa3 19. h3) 18... Qb5+ 19. Qd3 Qh5+ 20. Kd2 c5 21. Qc4+ (21. Qe2 $1 $11 Qe8 22. dxc5) 21... Kh8 $17 {Hoping for ...cxd4.} 22. dxc5 Ba5 23. Raf1 (23. Rhf1 $142) 23... Qg4 ({Black should play} 23... Nc6 $17 24. Kc2 Ne5 25. Rxf8+ Rxf8) 24. Rhg1 $15 {Bd4 is the strong threat.} Nf5 {And now ...Rfd8+ would win.} 25. Rxf5 Rxf5 {[%mdl 64] Pin} 26. Kc2 $1 Rb8 $2 {[#]} (26... Rd8 $17 {stays on course.}) 27. Bf1 $1 $16 Qh4 $2 {[%mdl 8192]} (27... Qf3 $16 28. exf5 Qxe3) 28. exf5 $18 {[%mdl 64] Discovered Attack} Qxh2+ 29. Rg2 Qe5 30. Bd4 {Accuracy: White = 48%, Black = 30%.} 1-0 [Event "London 'Immortal game'"] [Site "London"] [Date "1851.06.21"] [Round "?"] [White "Anderssen, Adolf"] [Black "Kieseritzky, Lionel Adalbert BF"] [Result "1-0"] [ECO "C33"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "45"] [EventDate "1851.06.21"] [EventType "game"] [EventRounds "1"] [EventCountry "ENG"] [SourceTitle "MainBase"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 9,44,-3,3,9,4,-8,40,-32,-51,-60,1,-41,-29,-46,104,103,98,103,89,91,112,113,136,118,460,319,214,-76,150,146,139,132,29997,29996,29998,29999,29999]} 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5 5. Bxb5 {C33: King's Gambit Accepted: 3 Nc3 and 3 Bc4} Nf6 ({Much weaker is} 5... Bc5 $6 6. d4 $16) 6. Nf3 $146 ({Predecessor:} 6. Nc3 Ng4 7. Nh3 Nc6 8. Nd5 Nd4 9. Nxc7+ Kd8 10. Nxa8 f3 11. d3 f6 12. Bc4 d5 13. Bxd5 Bd6 14. Qe1 fxg2+ 15. Kxg2 Qxh3+ 16. Kxh3 Ne3+ 17. Kh4 Nf3+ 18. Kh5 Bg4# {0-1 (18) Schulten,J-Kieseritzky,L Paris 1844}) 6... Qh6 7. d3 Nh5 (7... Ng4 $11 8. d4 Be7) 8. Nh4 (8. Rg1 $14) 8... Qg5 9. Nf5 c6 ({Black should try} 9... g6 $15 10. h4 Qf6) 10. g4 (10. Ba4 $1 $11 {is superior.}) 10... Nf6 11. Rg1 $1 {h4 is the strong threat.} cxb5 (11... h5 $1 $15 {keeps the upper hand.} 12. h4 Qg6) 12. h4 $36 {[%CAl Bh2h4,Bh4h5][%mdl 2080] Black is under strong pressure.} Qg6 {[#] And now ...h5 would win.} 13. h5 $1 {[%CAl Rh5g6]} Qg5 {Strongly threatening ...g6.} 14. Qf3 Ng8 ({Don't go for} 14... d5 $2 15. Bxf4 dxe4 16. dxe4 $18 (16. Bxg5 $2 {too greedy.} exf3 17. h6 Bxf5 $19)) 15. Bxf4 Qf6 16. Nc3 Bc5 $2 {[%mdl 8192]} (16... Qc6 $16 {is more resistant.}) 17. Nd5 Qxb2 18. Bd6 $2 (18. Re1 $18) 18... Bxg1 $2 {[#]} (18... Qxa1+ $17 19. Ke2 Qb2) 19. e5 $3 {[%mdl 512]} Qxa1+ {[#]} 20. Ke2 $1 Na6 $2 {[%mdl 8192]} (20... Ba6 $16 21. Nc7+ Kd8 22. Nxa6 Bb6 23. Qxa8 Qc3) 21. Nxg7+ {White mates.} Kd8 {[#]} 22. Qf6+ $1 {[%mdl 576] Overworked Piece, Deflection} Nxf6 23. Be7# {Accuracy: White = 47%, Black = 12%.} 1-0 [Event "URS-ch27"] [Site "Leningrad"] [Date "1960.??.??"] [Round "?"] [White "Spassky, Boris V"] [Black "Bronstein, David I"] [Result "1-0"] [ECO "C36"] [WhiteElo "2747"] [BlackElo "2740"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "45"] [EventDate "1960.??.??"] [EventType "tourn"] [EventRounds "19"] [EventCountry "URS"] [SourceTitle "URS-ch"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 9,45,-6,0,0,0,-5,-13,-11,38,42,41,40,36,31,37,43,35,23,50,54,82,1,227,217,183,213,338,324,310,289,283,228,742,691,811,775,29988,29989]} 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Bd6 5. Nc3 $146 {C36: King's Gambit Accepted: 3 Nf3 d5} ({Predecessor:} 5. d4 g5 6. Bb5+ c6 7. dxc6 bxc6 8. Bc4 g4 9. Qe2+ Kf8 10. Ne5 Qh4+ 11. Qf2 Qxf2+ 12. Kxf2 Bxe5 13. dxe5 {½-½ (48) Rahn,K-Pfeiffer,G Bad Oeynhausen 1941}) 5... Ne7 {[%CAl Bg8e7,Be7d5,Bd5e3][%mdl 32]} 6. d4 O-O 7. Bd3 Nd7 8. O-O {The position is equal.} h6 (8... Nf6 $11) 9. Ne4 $14 Nxd5 10. c4 $1 {[%CAl Bc2c4,Bc4c5][%mdl 32]} Ne3 11. Bxe3 $1 fxe3 12. c5 Be7 13. Bc2 $1 Re8 14. Qd3 {Nd6! is the strong threat.} e2 15. Nd6 (15. Rf2 $1 $16 {And now Nd6! would win.} Nf8 16. Ne5 (16. Qxe2 Bg4 $14) (16. Rxe2 Bf5 $14)) 15... Nf8 $2 {[#]} (15... exf1=R+ $11 {and Black has nothing to worry.} 16. Rxf1 Bxd6 17. Qh7+ Kf8 18. cxd6 cxd6 19. Qh8+ Ke7 20. Re1+ Ne5 21. Qxg7 {[%mdl 64] Pin} Rg8 22. Qxh6 Be6 23. dxe5 d5) 16. Nxf7 $1 $40 {[%mdl 128] Black is in trouble.} exf1=Q+ ({But not} 16... exf1=R+ $6 17. Rxf1 Qd5 {[#]} 18. Nxh6+ $1 {[%mdl 512]} gxh6 19. Bb3) 17. Rxf1 Bf5 (17... Qd5 $142 18. Bb3 Qh5 19. Nxh6+ Kh8 20. Nf7+ Kg8) 18. Qxf5 Qd7 {aiming for ...Qxf5.} 19. Qf4 Bf6 20. N3e5 Qe7 $2 (20... Bxe5 21. Nxe5 Rxe5 22. dxe5 a5 23. Bb3+ Kh8) 21. Bb3 Bxe5 22. Nxe5+ Kh7 23. Qe4+ {[%mdl 64] Double Attack Accuracy: White = 69%, Black = 38%.} 1-0 [Event "Casuals Morphy-Anderssen KingsGt"] [Site "Paris"] [Date "1858.12.29"] [Round "2"] [White "Morphy, Paul"] [Black "Anderssen, Adolf"] [Result "1-0"] [ECO "C39"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "45"] [EventDate "1858.12.29"] [EventType "game"] [EventRounds "6"] [EventCountry "FRA"] [SourceTitle "MainBase"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 14,45,-4,-4,-4,-12,-6,-91,-6,-6,-6,-6,-6,-5,0,-17,-12,0,-7,0,0,-5,0,0,105,82,257,101,456,446,436,414,430,409]} 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 {[%CAl Bg8f6,Bf6e4,Be4g3,Bg3h1][%mdl 32]} 6. Nxg4 Nxe4 7. d3 Ng3 8. Bxf4 {LiveBook: 3 Games} Nxh1 {C39: King's Gambit Accepted: 3 Nf3 g5 4 h4} 9. Qe2+ Qe7 {Hoping for ...f5.} 10. Nf6+ $1 Kd8 {[#]Black is better.} 11. Bxc7+ $1 {[%mdl 576] Decoy} Kxc7 12. Nd5+ {[%mdl 64] Double Attack} Kd8 13. Nxe7 Bxe7 14. Qg4 ({Of course not} 14. Qe5 Re8 $17) 14... d6 $1 15. Qf4 $1 Rg8 {White must now prevent ...Be6.} 16. Qxf7 Bxh4+ 17. Kd2 $132 {[%mdl 2048] White is not holding back} Re8 18. Na3 {And now Qh5 would win.} Na6 (18... Bg5+ $11 19. Kc3 Bd7) 19. Qh5 Bf6 $2 {[#]} (19... Be7 $16 {was worth a try.}) 20. Qxh1 $2 (20. Re1 $1 $18 {[%CAl Re1e8]} Rxe1 21. Kxe1) 20... Bxb2 $2 {[%mdl 8192]} (20... Bg5+ $16 {is more resistant.} 21. Kc3 Be6) 21. Qh4+ $18 Kd7 22. Rb1 Bxa3 23. Qa4+ {[%mdl 64] Double Attack Accuracy: White = 37%, Black = 34%.} 1-0 [Event "Breslau"] [Site "Breslau"] [Date "1863.??.??"] [Round "?"] [White "Rosanes, Jacob"] [Black "Anderssen, Adolf"] [Result "0-1"] [ECO "C39"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "46"] [EventDate "1862.??.??"] [EventType "game"] [EventRounds "1"] [EventCountry "GER"] [SourceTitle "CBM 059"] [Source "ChessBase"] [SourceDate "1997.08.01"] [SourceVersion "1"] [SourceVersionDate "1997.08.01"] [SourceQuality "1"] {[%evp 15,45,-69,-67,-91,-119,-95,-132,-89,-96,-133,-88,-95,-96,-92,0,-225,-226,-232,-218,-220,-150,-658,-294,-250,-248,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 {ChessBase} e5 2. f4 exf4 3. Nf3 g5 {[%CAl Bg7g5,Bg5g4][%mdl 32]} 4. h4 g4 5. Ne5 Nf6 {[%CAl Bg8f6,Bf6h5,Bh5g3][%mdl 32]} 6. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 {LiveBook: 35 Games} 9. Bb5+ {C39: King's Gambit Accepted: 3 Nf3 g5 4 h4} c6 10. dxc6 bxc6 $146 ({Predecessor:} 10... O-O 11. cxb7 Bxb7 12. Qxg4+ Ng7 13. Bxf4 Qb6 14. Nc3 Bxe5 15. Bxe5 f6 16. Bg3 Na6 {1-0 (47) Harrwitz,D-Morphy,P Paris Café de la Régence 1858 EXT 2007 [ChessBase]}) 11. Nxc6 {Black is clearly better.} Nxc6 12. Bxc6+ Kf8 ({Black should try} 12... Bd7 13. Bxd7+ (13. Bxa8 Ng3 $17) 13... Qxd7) 13. Bxa8 $17 Ng3 $1 {aiming for ...Qe7+.} 14. Rh2 {Hoping for Nc3.} Bf5 ({Black should play} 14... Qe7+ $17 15. Kf2 Ne2 16. Qxe2 g3+ {[%mdl 64] Double Attack} 17. Kf1 Qxe2+ 18. Kxe2 Ba6+ 19. c4 Bxc4+ 20. Ke1 gxh2) 15. Bd5 $2 {[#]} (15. Bf3 $1 $11 {and White has nothing to worry.} Qe7+ 16. Kf2 (16. Be2 $2 Kg7 $19) 16... Ne4+ 17. Kf1 Ng3+ 18. Kf2 Ne4+ 19. Kg1 gxf3 20. Qxf3) 15... Kg7 $1 $19 {[%mdl 1024] ...Re8+ is the strong threat. Black has strong compensation.} 16. Nc3 Re8+ 17. Kf2 {Black must now prevent a3.} Qb6 18. Na4 $2 ({Wrong is} 18. Kg1 $2 Be5 $19) (18. a4 $17 Be5 19. Nb5) 18... Qa6 (18... Qb4 $142 19. c3 (19. Nc3 $2 Be5 $19) 19... Qxa4) 19. Nc3 {[#]} Be5 $1 {( -> ...Qf1+!)} 20. a4 $2 {[#]} (20. Ne4 $19 Qb5 21. c4 Nxe4+ 22. Kg1) 20... Qf1+ $1 {[%mdl 512] Black mates.} 21. Qxf1 Bxd4+ 22. Be3 Rxe3 {[%CAl Re3e8]} 23. Kg1 Re1# {[%mdl 64] Pin} 0-1 [Event "Strasbourg"] [Site "Strasbourg"] [Date "1919.??.??"] [Round "?"] [White "Suren, J."] [Black "Muffang, Andre"] [Result "0-1"] [ECO "C39"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "42"] [EventDate "1919.??.??"] [EventType "game"] [EventCountry "FRA"] [SourceTitle "EXT 2016"] [Source "ChessBase"] [SourceDate "2015.10.08"] [SourceVersion "1"] [SourceVersionDate "2015.10.08"] [SourceQuality "1"] {[%evp 15,41,-75,-49,-193,-195,-197,-196,-196,-193,-183,-183,-169,-173,-170,-127,-222,-97,-106,0,-581,-564,-329,-287,-29997,-29998,-29998,-29999,-29999]} 1. e4 {Kasparov,G} e5 2. f4 exf4 3. Nf3 g5 {[%CAl Bg7g5,Bg5g4][%mdl 32]} 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 {LiveBook: 35 Games} 9. Bb5+ {C39: King's Gambit Accepted: 3 Nf3 g5 4 h4} ({Better is} 9. Nc3 $15) 9... c6 $1 $19 {[%CAl Rc6b5]} 10. dxc6 bxc6 11. Nxc6 {Black is clearly better.} Nxc6 12. Bxc6+ Kf8 $1 13. Bxa8 Ng3 $1 {aiming for ...Qe7+.} 14. Kf2 $146 ({Predecessor:} 14. Rh2 Bf5 15. Bd5 Kg7 16. Nc3 Re8+ 17. Kf2 Qb6 18. Na4 Qa6 19. Nc3 Be5 20. a4 Qf1+ 21. Qxf1 Bxd4+ 22. Be3 Rxe3 23. Kg1 Re1# {0-1 (23) Rosanes,J-Anderssen,A Breslau 1863 CBM 059 [Kasparov,G]}) 14... Bf5 (14... Ba6 $1 $19 15. Nc3 (15. Qxg4 $2 Nxh1+ 16. Kg1 Rg8 $19) 15... Nxh1+ 16. Qxh1 Qxa8) 15. Bd5 (15. Nc3 $17 Nxh1+ 16. Qxh1 g3+ 17. Ke1 Qxa8 18. Qf1 Qe8+ 19. Qe2) 15... Kg7 (15... Qf6 $19 {has better winning chances.} 16. c3 Nxh1+ 17. Qxh1 Bd3) 16. Nc3 $17 {Rh2 is the strong threat.} Re8 (16... Nxh1+ $17 17. Qxh1 Re8) 17. Bc6 $2 {[%mdl 8192]} (17. Rh2 $1 $11 {and White stays safe.} Ne4+ 18. Kf1 Nxc3 19. bxc3) 17... Nxh1+ $19 18. Qxh1 Bc5 19. Bxf4 $2 (19. dxc5 {gets mated.} Qd4+ 20. Be3 Qxe3+ 21. Kf1 {[#]} g3 $1 {[%mdl 512]} 22. Qg1 Bd3+ $1 {[%mdl 512]} 23. cxd3 Qxd3+ 24. Ne2 Qxe2#) (19. Ne2 $19 g3+ 20. Kf3 Rxe2 {[%mdl 64] Remove Defender} 21. Kxe2 Qxd4 22. Bd2 Bg4+ 23. Bf3 Qf2+ 24. Kd1 Bxf3+ 25. Kc1 (25. gxf3 $2 g2 $19) 25... Bxg2 26. Qe1 Qxe1+ 27. Bxe1) 19... Qxd4+ {[%mdl 64] Double Attack. Black mates.} 20. Kg3 Qf2+ {[%mdl 64] Double Attack} 21. Kh2 Qxh4# 0-1 [Event "Rubinstein Memorial 37th"] [Site "Polanica Zdroj"] [Date "2000.08.21"] [Round "5"] [White "Fedorov, Alexei"] [Black "Shirov, Alexei"] [Result "0-1"] [ECO "C39"] [WhiteElo "2646"] [BlackElo "2746"] [PlyCount "46"] [EventDate "2000.08.17"] [EventType "tourn"] [EventRounds "9"] [EventCountry "POL"] [EventCategory "17"] [SourceTitle "CBM 079"] [Source "ChessBase"] [SourceDate "2000.11.21"] [SourceVersion "1"] [SourceVersionDate "2000.11.21"] [SourceQuality "1"] 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d6 6. Nxg4 Nf6 7. Nf2 Rg8 8. d4 Bh6 9. Nc3 Nc6 10. Nd5 Nxd5 11. exd5 Qe7+ 12. Be2 Nb4 13. c4 Bf5 14. Qa4+ Kf8 15. Qxb4 Re8 16. Qd2 Rxg2 17. Kf1 Rg3 18. Qd1 Be4 19. Rh2 f5 20. Nxe4 fxe4 21. Bg4 e3 22. Bf3 Qg7 23. Rh1 Rg2 0-1 [Event "Opéra Hous: Morphy-Duke of Brunswick"] [Site "Paris"] [Date "1858.11.02"] [Round "?"] [White "Morphy, Paul"] [Black "Duke Brunswick/Count Isouar, Karl"] [Result "1-0"] [ECO "C41"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "33"] [EventDate "1858.??.??"] [EventType "tourn"] [EventRounds "30"] [EventCountry "FRA"] [SourceTitle "EXT 2017"] [Source "ChessBase"] [SourceDate "2016.10.25"] [SourceVersion "1"] [SourceVersionDate "2016.10.25"] [SourceQuality "1"] {[%evp 13,32,148,157,121,118,120,214,212,661,660,652,654,667,663,850,820,1450,1432,29998,29999,29999]} 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Bxf3 5. Qxf3 dxe5 6. Bc4 Nf6 7. Qb3 Qe7 8. Nc3 {C41: Philidor Defence} c6 {[#]} 9. Bg5 $1 b5 {[#]} (9... Na6 $16) 10. Nxb5 $1 $18 {[%mdl 512] White is clearly better.} cxb5 $2 (10... Qb4+ 11. Nc3 Qxb3 12. axb3 a5) 11. Bxb5+ Nbd7 {next ...Qb4+ is good for Black.} 12. O-O-O Rd8 {[#]} 13. Rxd7 $1 {[%mdl 576] Clearance} Rxd7 14. Rd1 {[%mdl 64] Pin} Qe6 15. Bxd7+ Nxd7 {[#]} 16. Qb8+ $1 {[%mdl 576] Back Rank} Nxb8 17. Rd8# 1-0 [Event "Wch U20 prel-B"] [Site "The Hague"] [Date "1961.08.14"] [Round "3"] [White "Hort, Vlastimil"] [Black "Pfleger, Helmut"] [Result "1/2-1/2"] [ECO "C41"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "38"] [EventDate "1961.08.12"] [EventType "tourn"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] {[%evp 10,38,44,50,50,57,67,72,67,50,57,58,79,83,74,76,77,78,80,65,88,50,43,39,46,47,47,41,54,27,92]} 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O Be7 6. c3 {LiveBook: 4 Games. Black must now prevent Qb3.} b5 {C41: Philidor Defence} 7. Bd3 Ngf6 8. a4 bxa4 {White is better.} 9. Rxa4 $146 ({Predecessor:} 9. Qxa4 Qc7 10. Nbd2 O-O 11. Re1 Nb6 12. Qa5 Be6 13. dxe5 dxe5 14. Qxe5 {1-0 (27) McCormick,E-Hobson,A Baltimore,MD 1948}) 9... O-O 10. Nbd2 c5 {[#]} 11. dxe5 $1 dxe5 12. Nc4 Qc7 13. Qc2 Bb7 14. Ra2 $36 {[%mdl 2048] White is pushing.} Rfd8 15. Bg5 Nb6 $1 16. Re1 h6 17. Bh4 Nxc4 18. Bxc4 Nh5 19. Rea1 Nf4 (19... a6 $11 {keeps the balance.}) 1/2-1/2 [Event "St Petersburg International Final"] [Site "St Petersburg"] [Date "1914.05.22"] [Round "10"] [White "Lasker, Emanuel"] [Black "Marshall, Frank James"] [Result "1-0"] [ECO "C42"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "57"] [EventDate "1914.05.11"] [EventType "tourn"] [EventRounds "10"] [EventCountry "RUS"] [SourceTitle "CBM 062"] [Source "ChessBase"] [SourceDate "1998.01.31"] [SourceVersion "1"] [SourceVersionDate "1998.01.31"] [SourceQuality "1"] {[%evp 15,57,25,34,37,32,14,9,2,20,-11,13,7,7,14,54,58,92,77,76,88,247,236,236,256,256,251,664,605,859,815,1034,1020,2139,2101,1995,1621,2482,2357,29987,29985,29994,29995,29997,29997]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Be6 8. Nc3 Nbd7 9. O-O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} h6 10. Bh4 g5 11. Bg3 {The position is equal.} Nh5 12. d4 Nxg3 13. hxg3 {next d5 is good for White.} g4 14. Nh4 {aiming for d5.} d5 15. Qb5 O-O-O 16. Qa5 a6 {[#]} 17. Bxa6 $1 {[%mdl 512]} bxa6 $2 (17... c6 $16) 18. Qxa6+ $18 Kb8 {...Qd6 is the strong threat.} 19. Nb5 {[%mdl 1024] Threatening mate with Qa7+. White has strong compensation.} Nb6 {[#]} 20. Rd3 $1 $40 {[%mdl 128] Black is in trouble.} Qg5+ $2 (20... Rd7) 21. Kb1 {Intending Qa7+ and mate.} Bd6 22. Rb3 Rhe8 23. a4 {[%CAl Ba2a4,Ba4a5,Ba5b6][%mdl 32]} Bf5 24. Na7 {[%CAl Ra7c6]} Bd7 25. a5 Qd2 26. axb6 Re1+ 27. Ka2 {White mates.} c6 {[#]} 28. Nb5 $1 {[%mdl 576] Clearance} cxb5 29. Qa7+ {Accuracy: White = 82%, Black = 19%.} 1-0 [Event "World Championship 02nd"] [Site "Havana"] [Date "1889.01.27"] [Round "5"] [White "Chigorin, Mikhail"] [Black "Steinitz, Wilhelm"] [Result "0-1"] [ECO "C52"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "52"] [EventDate "1889.01.20"] [EventType "match"] [EventRounds "17"] [EventCountry "CUB"] [SourceTitle "Steinitz"] [Source "ChessBase"] [SourceDate "2003.03.04"] [SourceVersion "1"] [SourceVersionDate "2003.03.04"] [SourceQuality "1"] {[%evp 12,52,48,52,89,41,41,31,51,-6,5,7,-9,-100,11,6,12,14,0,13,7,-4,0,1,1,-383,-388,-366,-374,-440,-368,-452,-391,-474,-468,-776,-763,-799,-689,-1105,-1080,-1191,-1177]} 1. e4 {ChessBase} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 {[%CAl Bb4a5,Ba5b6,Bb6c5][%mdl 32]} 6. O-O Qf6 7. d4 {[%mdl 1024] White has compensation.} Nge7 $146 {[#] C52: Evans Gambit Accepted: 5 c3 Ba5} ({Predecessor:} 7... Bb6 8. Re1 h6 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. Kh1 Ne7 12. f4 Qc5 13. Qb3 Rf8 14. e5 Qc6 15. Ba3 {1-0 (24) Judd,M-Harding,H Detroit,MI 1870 EXT 2015 [ChessBase]}) 8. Bg5 (8. d5 $1 $16) 8... Qd6 $1 $14 9. Qb3 O-O $1 {White is slightly better.} 10. Rd1 (10. d5 $14) 10... Bb6 11. dxe5 Qg6 12. Qa3 (12. Nbd2 $11) 12... Re8 ({Black should try} 12... Nxe5 $1 $17 13. Nxe5 Qxg5) 13. Nbd2 $11 d6 14. exd6 cxd6 15. Bf4 Bc5 ({Don't play} 15... Bh3 $6 16. Ng5 $16) 16. Qc1 Bg4 17. Bg3 Rad8 $36 {[%mdl 2048] Black fights for an advantage.} 18. h3 $2 {[%mdl 8192] [#]} (18. Rb1 $11) 18... Bxf3 $1 $19 19. Nxf3 Qxg3 20. Kh1 Qg6 21. Rd3 Qf6 22. Qd2 Ng6 {Black is clearly winning.} 23. Ng5 (23. g3 $142) 23... Nce5 24. Rf3 Nxf3 25. Bxf7+ Qxf7 26. gxf3 Qc4 {Accuracy: White = 22%, Black = 36%.} 0-1 [Event "Berlin 'Evergreen'"] [Site "Berlin"] [Date "1852.??.??"] [Round "?"] [White "Anderssen, Adolf"] [Black "Dufresne, Jean"] [Result "1-0"] [ECO "C52"] [Annotator "Tactical Analysis 2.10 (10s)"] [PlyCount "47"] [EventDate "1852.??.??"] [EventType "game"] [EventRounds "1"] [EventCountry "GER"] [SourceTitle "CBM 059"] [Source "ChessBase"] [SourceDate "1997.08.01"] [SourceVersion "1"] [SourceVersionDate "1997.08.01"] [SourceQuality "1"] {[%evp 17,46,12,12,0,0,-59,58,72,64,55,51,20,99,125,485,488,538,22,23,36,72,0,277,280,29996,29997,29997,29998,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O d3 8. Qb3 Qf6 9. e5 {C52: Evans Gambit Accepted: 5 c3 Ba5} Qg6 {LiveBook: 10 Games} 10. Re1 Nge7 11. Ba3 {[#]} (11. Qd1 $11 d5 12. exd6) 11... b5 ({Black should try} 11... d5 $1 $15 12. exd6 (12. Bxd5 Nxd5) 12... cxd6) 12. Qxb5 $14 Rb8 13. Qa4 $1 Bb6 14. Nbd2 Bb7 (14... O-O $1 $11 {remains equal.}) 15. Ne4 $16 Qf5 $2 {[%mdl 8192]} (15... d2 $16 {is tougher.} 16. Nexd2 O-O) 16. Bxd3 $18 {Nf6+! is the strong threat.} Qh5 17. Nf6+ $2 (17. Rad1 $18 {aiming for Ng3.} Ba8 18. Ng3) 17... gxf6 $11 18. exf6 {[%CAl Ra3e7]} Rg8 {[#]} 19. Rad1 (19. Be4 $1 $16) 19... Qxf3 $4 {[%mdl 8192]} (19... Qh3 $11 {and Black is okay.} 20. Bf1 Qf5) 20. Rxe7+ $18 Nxe7 $2 {[#]} (20... Kd8 $18 21. Rxd7+ Kc8 22. Rd8+ {[%mdl 64] Decoy} Kxd8 23. Bf5+ {[%mdl 64] [#] Discovered Attack} Qxd1+ $1 {[%mdl 576] Remove Defender} 24. Qxd1+ Nd4) 21. Qxd7+ $1 {[%mdl 512] White mates.} Kxd7 22. Bf5+ $1 {[%mdl 64] Discovered Attack} Ke8 23. Bd7+ Kf8 24. Bxe7# {Accuracy: White = 13%, Black = 21%.} 1-0 [Event "Zuerich Chess Challenge m 6th"] [Site "Zuerich"] [Date "2017.04.12"] [Round "1"] [White "Skvortsov, Oleg"] [Black "Anand, Viswanathan"] [Result "0-1"] [ECO "C54"] [BlackElo "2786"] [Annotator "Tactical Analysis 2.10 (12s)"] [PlyCount "50"] [EventDate "2017.04.12"] [EventType "match"] [EventRounds "1"] [EventCountry "SUI"] [SourceTitle "CBM 179"] [Source "ChessBase"] [SourceDate "2017.07.12"] [SourceVersion "1"] [SourceVersionDate "2017.07.12"] [SourceQuality "1"] {[%evp 15,50,-36,-46,-29,-48,-41,19,19,24,22,17,15,15,15,15,15,15,15,17,20,24,22,18,-179,-98,-98,-82,-633,-621,-767,-749,-749,-735,-29996,0,-29997,-29998]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. b4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Bb6 7. e5 d5 8. exf6 dxc4 {LiveBook: 4 Games} 9. Qe2+ Be6 $1 10. b5 $1 Nb4 (10... Na5 $1 $15 11. fxg7 Rg8) 11. fxg7 $11 Rg8 12. cxb4 Qf6 $1 13. O-O Qxg7 {[%csl Gg8][%CAl Rg7g2]} 14. g3 {Threatens to win with a4.} O-O-O {Hoping for ...Bd5.} 15. a4 $1 {[%CAl Ra4a5]} d3 16. Qb2 {aiming for Qxg7.} Qxg3+ 17. hxg3 Rxg3+ 18. Kh2 $1 Rxf3 19. Bg5 $2 {[#]} (19. Qg7 $11 {and White stays safe.} Bd4 20. Qg2 (20. Qxh7 $2 Bxa1 21. Nd2 Be5+ 22. Kg2 Rf4 $19) 20... Rh3+ 21. Qxh3 (21. Kg1 Bxa1 22. Bf4 Rh4 $17) 21... Bxh3 22. Kxh3 Bxa1 23. Bd2) 19... Bd4 $1 $19 {[%CAl Rd4b2][%mdl 1024] Black has strong compensation.} 20. Qd2 {[#]} Rg8 $1 $40 {[%mdl 128] Black attacks with force.} 21. Ra3 $2 {[%mdl 8192]} (21. Rg1 $17) 21... h6 22. Rg1 Rh3+ 23. Kg2 Rxg5+ 24. Kf1 Rxg1+ 25. Kxg1 {Strongly threatening Qf4.} Bd5 {Accuracy: White = 84%, Black = 83%.} 0-1 [Event "W-ch5 corr6568"] [Site "ICCF corr"] [Date "1965.??.??"] [Round "?"] [White "Estrin, Yakov Borisovich"] [Black "Berliner, Hans Jack"] [Result "0-1"] [ECO "C57"] [PlyCount "84"] [EventDate "1965.??.??"] [EventType "tourn (corr)"] [EventRounds "16"] [SourceTitle "Corr Nr. 1"] [Source "ChessBase"] [SourceDate "1997.09.01"] [SourceVersion "2"] [SourceVersionDate "2000.04.19"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nd4 7. c3 Nxd5 8. Ne4 Qh4 9. Ng3 Bg4 10. f3 e4 11. cxd4 Bd6 12. Bxb5+ Kd8 13. O-O exf3 14. Rxf3 Rb8 15. Be2 Bxf3 16. Bxf3 Qxd4+ 17. Kh1 Bxg3 18. hxg3 Rb6 19. d3 Ne3 20. Bxe3 Qxe3 21. Bg4 h5 22. Bh3 g5 23. Nd2 g4 24. Nc4 Qxg3 25. Nxb6 gxh3 26. Qf3 hxg2+ 27. Qxg2 Qxg2+ 28. Kxg2 cxb6 29. Rf1 Ke7 30. Re1+ Kd6 31. Rf1 Rc8 32. Rxf7 Rc7 33. Rf2 Ke5 34. a4 Kd4 35. a5 Kxd3 36. Rf3+ Kc2 37. b4 b5 38. a6 Rc4 39. Rf7 Rxb4 40. Rb7 Rg4+ 41. Kf3 b4 42. Rxa7 b3 0-1