[Event "84th Tata Steel Masters 2022"] [Site "Wijk aan Zee"] [Date "2022.01.26"] [Round "10.1"] [White "Karjakin, Sergey"] [Black "Carlsen, Magnus"] [Result "1/2-1/2"] [WhiteElo "2743"] [BlackElo "2856"] [Annotator "TA"] [PlyCount "32"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Direct encounter+Number of black games"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 { C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 8. c3 Nxe5 {The position is equal. } 9. Rxe5 d6 10. Re1 O-O 11. d4 d5 12. Bf4 Bd6 13. Qf3 Nh4 14. Qg3 Nf5 15. Qf3 {[#]} Nh4 $146 ({Predecessor:} 15... Bxf4 16. Qxf4 Qd6 17. Qxd6 Nxd6 18. Bd3 Bd7 19. Nd2 Rfe8 20. f3 f6 21. Kf2 Kf7 22. Rxe8 Rxe8 23. Re1 {½-½ (36) Lu,S (2628)-Le,Q (2739) Ashkhabad 2017}) 16. Qg3 Nf5 {A rather calm draw. Weighted Error Value: White=0.04 (flawless) /Black=0.02 (flawless)} 1/2-1/2 [Event "84th Tata Steel Masters 2022"] [Site "Wijk aan Zee"] [Date "2022.01.26"] [Round "10.2"] [White "Giri, Anish"] [Black "Duda, Jan-Krzysztof"] [Result "1/2-1/2"] [WhiteElo "2772"] [BlackElo "2760"] [Annotator "TA"] [PlyCount "76"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Direct encounter+Number of black games"] 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. Nf3 c5 8. Bd3 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4).} Bd7 {is the legacy move (8...Nc6).} 9. Be4 Bc6 10. Qc2 {Black has an edge.} Bxe4 11. Qxe4 Nc6 12. Rb1 O-O-O 13. d4 $1 Qg6 14. Qxg6 hxg6 15. Be3 {[#]} f6 $146 ({ Predecessor:} 15... Be7 16. Ke2 Bf6 17. Rhd1 cxd4 18. cxd4 Rh5 19. d5 Ne5 20. dxe6 Rxd1 21. Rxd1 fxe6 22. Bxa7 Nxc4 {1-0 (55) Javakhadze,Z (2417)-Stukopin,A (2574) Dallas 2015}) 16. Ke2 g5 17. h3 Be7 18. dxc5 e5 {Inhibits Nd4.} 19. Rbd1 Na5 {Black has compensation.} 20. Nd2 Rd7 21. Rb1 f5 22. f3 Rhd8 {[#] ...f4 is the strong threat.} 23. Rb2 Rd3 24. Rc2 {The position is equal.} Bf6 25. g4 g6 26. gxf5 gxf5 27. Rg1 e4 28. Bxg5 Bxg5 29. Rxg5 e3 30. Nb3 Nxc4 {And now ... Na3 would win.} 31. f4 Na3 32. Rc1 Nb5 $1 ({But not} 32... Nc4 33. Rxf5 Nb2 34. c4 $18) 33. Nd4 $1 Rxc3 34. Rxc3 Nxc3+ 35. Kxe3 Nd1+ 36. Kd3 {[#] Black must now prevent Rg2.} Nb2+ 37. Kc3 Nd1+ 38. Kc4 Nb2+ {Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} 1/2-1/2 [Event "84th Tata Steel Masters 2022"] [Site "Wijk aan Zee"] [Date "2022.01.26"] [Round "10.3"] [White "Shankland, Sam"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [WhiteElo "2708"] [BlackElo "2767"] [Annotator "TA"] [PlyCount "58"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Direct encounter+Number of black games"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. a3 {E04: Open Catalan: 5 Nf3.} Bxd2+ 8. Nbxd2 b5 9. b3 c3 10. Nb1 Bb7 {[#] aiming for ...b4.} 11. Nxc3 b4 12. Na4 {[#]} Nbd7 $146 ({Predecessor:} 12... Na6 13. O-O O-O 14. Nb2 c5 15. axb4 axb4 16. Nc4 Qe7 17. e3 cxd4 18. Nxd4 Bxg2 19. Kxg2 {0-1 (53) Connolly,C (1904)-Lawrence,R (2181) ICCF email 2006}) 13. O-O O-O 14. Qc2 Be4 15. Qb2 Qb8 16. Rfc1 Qb7 17. Ne1 Bxg2 18. Nxg2 Rfe8 19. Nf4 bxa3 20. Rxa3 e5 21. dxe5 Rxe5 22. Nd3 Re7 23. Nc3 (23. Qc2 $14) 23... Ne5 $11 24. Nxe5 Rxe5 { The position is equal.} 25. Rca1 h5 26. Ra4 Qb6 27. Rc4 Rae8 28. Rd1 Qe6 29. Qc2 Qh3 {Weighted Error Value: White=0.08 (flawless) /Black=0.04 (flawless)} 1/2-1/2 [Event "84th Tata Steel Masters 2022"] [Site "Wijk aan Zee"] [Date "2022.01.26"] [Round "10.4"] [White "Vidit, Santosh Gujrathi"] [Black "Praggnanandhaa R"] [Result "0-1"] [WhiteElo "2727"] [BlackElo "2612"] [Annotator "RC"] [PlyCount "156"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Direct encounter+Number of black games"] [TimeControl "60"] 1. d4 {[%emt 0:01:07]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:47]} e6 {[%emt 0: 00:00]} 3. Nc3 {[%emt 0:00:35]} Bb4 {[%emt 0:00:09]} 4. Qc2 {[%emt 0:00:25]} O-O {[%emt 0:00:24]} 5. a3 {[%emt 0:00:52]} Bxc3+ {[%emt 0:00:08]} 6. Qxc3 { [%emt 0:00:06]} d5 {[%emt 0:00:08]} 7. Bg5 {[%emt 0:00:32]} c5 {[%emt 0:01:14]} 8. dxc5 {[%emt 0:00:16]} d4 {[%emt 0:00:12]} 9. Qf3 {[%emt 0:00:15]} Nbd7 { [%emt 0:01:44]} 10. e3 {[%emt 0:00:27]} h6 {[%emt 0:03:40]} 11. Bxf6 {[%emt 0: 00:00]} Nxf6 {[%emt 0:00:07]} 12. O-O-O {[%emt 0:00:50]} e5 {[%emt 0:00:15]} 13. Ne2 {[%emt 0:00:11]} d3 {[%emt 0:02:53]} 14. Nc3 {[%emt 0:00:18]} Bg4 { [%emt 0:00:35]} 15. Rxd3 {[%emt 0:00:08]} Qa5 {[%emt 0:03:01]} 16. Qg3 { [%emt 0:00:22]} Qxc5 {[%emt 0:01:49]} 17. Rd2 {[%emt 0:00:06]} Be6 {[%emt 0:00: 00]} 18. b4 {[%emt 0:01:51]} Qc8 {[%emt 0:05:10]} 19. Qxe5 {[%emt 0:05:04]} Bxc4 {[%emt 0:01:25]} 20. Kb2 {[%emt 0:00:59]} a5 {[%emt 0:07:49]} 21. b5 { [%emt 0:25:59]} Bxf1 {[%emt 0:06:30]} 22. Rxf1 {[%emt 0:00:03]} Qc4 {[%emt 0: 00:00]} 23. Rc1 {[%emt 0:08:25]} a4 {[%emt 0:01:03]} 24. Nb1 {[%emt 0:05:44]} Qb3+ {[%emt 0:04:22]} 25. Ka1 {[%emt 0:02:12]} Rac8 {[%emt 0:01:15]} 26. Rxc8 { [%emt 0:03:52]} Rxc8 {[%emt 0:00:03]} 27. Qf5 {[%emt 0:00:56]} Qc4 {[%emt 0:00: 00]} 28. Rd4 {[%emt 0:09:13]} Qc7 {[%emt 0:12:36]} 29. g3 {[%emt 0:06:18]} b6 { [%emt 0:12:23]} 30. Rxa4 {[%emt 0:14:12]} Nd7 {[%emt 0:01:23]} 31. Re4 { [%emt 0:01:44]} g6 {[%emt 0:02:31]} 32. Qf4 {[%emt 0:00:22]} Qc5 {[%emt 0:00: 00]} 33. Qxh6 {[%emt 0:07:07]} Qxb5 {[%emt 0:04:46]} 34. a4 {[%emt 0:04:55]} Qc6 {[%emt 0:06:07]} 35. Qf4 {[%emt 0:00:45]} Nc5 {[%emt 0:04:56]} 36. Rc4 { [%emt 0:00:07]} Rd8 {[%emt 0:06:21]} 37. Rc2 {[%emt 0:03:41]} Qh1 {[%emt 0:00: 00]} 38. Qb4 {[%emt 0:03:01]} Nxa4 {[%emt 0:00:48]} 39. Rd2 {[%emt 0:00:42]} Rc8 {[%emt 0:00:28]} 40. Qe7 {[%emt 0:02:58]} Qa8 {[%emt 0:00:40]} 41. Ra2 { [%emt 0:10:00]} b5 {[%emt 0:04:17]} 42. Qb4 {[%emt 0:09:38]} Qh1 {[%emt 0:00: 00]} 43. Ra3 {[%emt 0:09:45]} Qxh2 {[%emt 0:06:40]} 44. Qd2 {[%emt 0:00:13]} Qh5 {[%emt 0:09:16]} 45. f4 {[%emt 0:03:06]} Qf5 {[%emt 0:04:16]} 46. Qd3 { [%emt 0:02:18]} Qf6+ {[%emt 0:04:49]} 47. Qd4 {[%emt 0:00:06]} Qe7 {[%emt 0:00: 00]} 48. Rb3 {[%emt 0:06:03]} Ra8 {[%emt 0:03:58]} 49. Ra3 {[%emt 0:01:30]} Rd8 {[%emt 0:01:55]} 50. Qe5 {[%emt 0:00:12]} Qxe5+ {[%emt 0:04:00]} 51. fxe5 { [%emt 0:00:01]} Re8 {[%emt 0:00:33]} 52. Rb3 {[%emt 0:00:49]} Rxe5 {[%emt 0:00: 00]} 53. Na3 {[%emt 0:01:53]} Nc5 {[%emt 0:03:25]} 54. Rxb5 {[%emt 0:00:06]} Rxe3 {[%emt 0:00:05]} 55. Nc4 {[%emt 0:00:23]} Re1+ {[%emt 0:00:10]} 56. Kb2 { [%emt 0:00:20]} Ne4 {[%emt 0:00:18]} 57. g4 {[%emt 0:00:56]} Re2+ {[%emt 0:00: 00]} 58. Kc1 {[%emt 0:01:00]} Nf2 {[%emt 0:01:23]} 59. g5 {[%emt 0:00:17]} Kg7 {[%emt 0:00:45]} 60. Nd2 {[%emt 0:12:01]} Re8 {[%emt 0:02:03]} 61. Kb2 { [%emt 0:07:56]} Rc8 {[%emt 0:02:32]} 62. Rd5 {[%emt 0:02:18]} Nd1+ {[%emt 0:00: 00]} 63. Ka3 {[%emt 0:01:11]} Ne3 {[%emt 0:08:12]} 64. Rd3 {[%emt 0:00:39]} Nc4+ {[%emt 0:01:44]} 65. Kb4 {[%emt 0:01:12]} Nxd2 {[%emt 0:01:07]} 66. Rxd2 { [%emt 0:00:00]} Rc1 {[%emt 0:00:27]} 67. Ra2 {[%emt 0:04:41]} Kg8 {[%emt 0:00: 00]} 68. Ra8+ {[%emt 0:00:20]} Kh7 {[%emt 0:00:02]} 69. Ra2 {[%emt 0:00:35]} Kg7 {[%emt 0:00:03]} 70. Ra5 {[%emt 0:02:40]} Kf8 {[%emt 0:01:33]} 71. Ra7 { [%emt 0:00:31]} Ke8 {[%emt 0:00:39]} 72. Ra5 {[%emt 0:00:32]} Kd7 {[%emt 0:00: 00]} 73. Ra6 {[%emt 0:00:30]} Ke7 {[%emt 0:00:09]} 74. Ra2 {[%emt 0:00:29]} Ke6 {[%emt 0:01:58]} 75. Ra5 {[%emt 0:00:05]} Rf1 {[%emt 0:00:36]} 76. Ra6+ { [%emt 0:00:44]} Ke5 {[%emt 0:00:10]} 77. Ra5+ {[%emt 0:00:40]} Kf4 {[%emt 0:00: 00]} 78. Kc3 {[%emt 0:00:21]} Kg4 {[%emt 0:00:08]} 0-1 [Event "84th Tata Steel Masters 2022"] [Site "Wijk aan Zee"] [Date "2022.01.26"] [Round "10.5"] [White "Caruana, Fabiano"] [Black "Rapport, Richard"] [Result "0-1"] [WhiteElo "2792"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "84"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Direct encounter+Number of black games"] 1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8 5. d4 cxd4 6. Qxd4 Nc6 7. Qf4 {is currently scoring better than 7.Qe4. A19: English Opening: Flohr-Mikenas System with 3...c5.} d6 8. Nf3 Nh6 {[#]} 9. exd6 $146 {The position is equal.} ({Predecessor:} 9. Bd2 dxe5 10. Nxe5 Bd6 11. Nxc6 Bxf4 12. Nxd8 Bxd2+ 13. Kxd2 Kxd8 14. Bd3 Ke7 15. Rhe1 {1-0 (84) Dubov,D (2710)-Pichot,A (2630) chess24.com INT 2021}) 9... Bxd6 10. Qg5 Qxg5 11. Bxg5 f5 12. O-O-O Bc5 {[#]} 13. Ne5 $1 { Strongly threatening Nxc6.} Nf7 14. Nxc6 bxc6 15. Be3 Bxe3+ 16. fxe3 Ke7 17. Be2 g5 18. Na4 h5 19. Nc5 h4 20. g4 Ne5 21. Rd4 ({White should play} 21. Rhg1 $11) 21... Nxg4 $15 22. Bxg4 e5 23. Rd2 {Black must now prevent Be2.} fxg4 24. Nd3 Rh6 25. Nxe5 Re6 26. Nxg4 Re4 27. Nf2 $1 Rxc4+ 28. Rc2 Rxc2+ 29. Kxc2 { Endgame KRB-KRN} Be6 30. Rg1 Rf8 (30... Rg8 $17) 31. Nd3 $11 g4 32. Nf4 { aiming for Ng6+.} Bf5+ 33. Kd2 Rd8+ 34. Ke2 (34. Kc3 $11) 34... Kf6 $15 35. b3 a5 36. Ke1 (36. Rc1 $17 {was called for.}) 36... Ke5 37. Ng2 Rh8 {...g3 is the strong threat.} ({Inferior is} 37... g3 38. Nxh4 gxh2 39. Rh1 $11) 38. Nf4 { This costs White the game.} (38. Kf2 $17 {was the only defense.}) 38... g3 $19 39. Rg2 $2 (39. Kd2) 39... Be4 40. Rd2 h3 41. a3 {[#]} Rd8 $3 {( -> ...Rxd2)} 42. Rb2 (42. Nxh3 Rxd2) 42... Bf3 {Weighted Error Value: White=0.88/Black=0.04 (flawless)} 0-1 [Event "84th Tata Steel Masters 2022"] [Site "Wijk aan Zee"] [Date "2022.01.26"] [Round "10.6"] [White "Esipenko, Andrey"] [Black "Van Foreest, Jorden"] [Result "1-0"] [WhiteElo "2714"] [BlackElo "2702"] [Annotator "TA"] [PlyCount "119"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Direct encounter+Number of black games"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 h6 6. Be3 Bb6 7. Nd5 d6 { C50: Hungarian Defence and Giuoco Pianissimo.} 8. h3 Bxe3 9. fxe3 {[#]} Na5 $146 {The position is equal.} ({Predecessor:} 9... O-O 10. O-O Na5 11. Nd2 Nxd5 12. Bxd5 c6 13. Bb3 Nxb3 14. Nxb3 Qg5 15. Qf3 Be6 {0-1 (43) Muniz,H (1279) -Faris,R (1720) Sao Paulo 2022}) 10. Nxf6+ Qxf6 11. Bb3 Nxb3 12. axb3 O-O 13. O-O Qe7 14. Qe1 f5 15. exf5 Rxf5 16. Qb4 c5 17. Qe4 Be6 18. Nh4 Rg5 19. Qf3 a6 20. e4 Rd8 21. Rf2 Kh7 22. Kh2 Qc7 23. Qe2 a5 24. Raf1 b5 25. Rf8 a4 26. bxa4 bxa4 27. c4 Qe7 ({Black should play} 27... Qb8 $14 28. R8f2 Qa7) 28. Qf3 $1 $16 Bg8 $2 (28... Re8 $16) 29. Rxd8 $18 Qxd8 30. Qf8 Qa5 31. Rf2 {Prevents Qd2.} ( 31. Qxd6 Qd2 $14) 31... Be6 $2 (31... a3) 32. Re2 $2 (32. g4 $1 $18 {is the precise move to win.}) 32... a3 $16 33. bxa3 Qxa3 34. Qxd6 Bxc4 35. dxc4 Qg3+ 36. Kh1 $1 Qxh4 37. Qxc5 {Endgame KQR-KQR} Qf4 {( -> ...Qf1+)} 38. Qe3 { Active counter play!} Qf1+ 39. Kh2 Rg6 40. c5 Rc6 41. Rc2 Qd1 42. Qf2 Qd3 43. Qf5+ Rg6 44. Rf2 {Rf3 is the strong threat.} Qc3 (44... Qg3+ $16 {is more resistant.} 45. Kg1 Qe3) 45. Rf3 $18 Qxc5 {[#]} 46. h4 $1 {White threatens h5 and mate.} h5 47. Rg3 Qd6 48. Rg5 (48. Qxh5+ Rh6 49. Qg5 Qf8 $16) 48... Qc6 49. g3 {Black must now prevent Kg2.} ({Weaker is} 49. Qxe5 Rxg5 50. Qxg5 (50. hxg5 Qc4 $16) 50... Qxe4 $16) 49... Qa6 $2 {[#]} (49... Qe6 50. Rxh5+ Kg8 51. Qxe5 Qa2+ 52. Kh3 Qe6+ 53. Kg2 Qa2+ 54. Kh3 Qe6+ 55. Kh2 Qxe5 56. Rxe5 Kf7 57. Rf5+ Kg8) 50. Kh3 $1 ({Less strong is} 50. Rxh5+ Kg8 51. Qf3 (51. Qxe5 Qe2+ 52. Kg1 Qe1+ 53. Kh2 Qe2+ 54. Kh3 Qf1+ 55. Kh2 Qe2+ $11) 51... Re6 $16) 50... Qc6 51. Rxh5+ Kg8 52. Qxe5 Rd6 53. Qc5 Qd7+ 54. Qf5 {Threatens to win with Qxd7.} Re6 ( 54... Qe6 $142 55. Kg4 g6) 55. Qd5 {White is clearly winning.} Qxd5 56. exd5 Re4 57. Rg5 Rd4 58. h5 {Strongly threatening h6.} Rd3 59. Kh4 (59. h6 $142 Rd1 60. Kg4 Rd4+ 61. Kf3) 59... Kf7 60. Rf5+ {[%emt 0:00:32] Weighted Error Value: White=0.12 (very precise) /Black=0.} 1-0 [Event "84th Tata Steel Masters 2022"] [Site "Wijk aan Zee"] [Date "2022.01.26"] [Round "10.7"] [White "Dubov, Daniil"] [Black "Grandelius, Nils"] [Result "0-1"] [WhiteElo "2720"] [BlackElo "2672"] [Annotator "TA"] [PlyCount "164"] [EventDate "2022.01.15"] [EventType "tourn"] [EventCountry "NED"] [Tiebreak "Direct encounter+Number of black games"] 1. Nf3 c5 2. e4 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. c3 Ngf6 6. Qe2 e6 {B50: Sicilian: 2...d6, Miscellaneous.} 7. d4 cxd4 8. cxd4 d5 {The position is equal. } 9. e5 Bb4+ 10. Bd2 Bxd2+ 11. Nbxd2 Ng8 {[#]} 12. O-O-O $146 ({Predecessor:} 12. O-O Ne7 13. Rac1 O-O 14. Qb5 Nb6 15. Rc3 Nc6 16. a3 Rc8 17. Rfc1 h6 18. h3 {1-0 (72) Riazantsev,A (2634)-Matlakov,M (2674) Warsaw 2021}) 12... Ne7 13. Kb1 Nc6 14. h4 Qb6 15. Qe3 Rc8 16. h5 h6 17. g4 Qb5 18. Rc1 O-O 19. a3 {Inhibits Nb4.} Ne7 $1 20. Nh4 Nb6 21. Ka2 (21. f4 $11 {remains equal.}) 21... Nc4 $17 ( 21... Na4 22. b3 $11) 22. Qb3 Qa6 23. Nhf3 ({White should play} 23. Qd3) 23... Rc6 (23... Rc7 $142 $1 24. Qd3 Rfc8) 24. Qd3 (24. Qb4 $142 Re8 25. Nb3) 24... Qb5 ({Black should try} 24... Rfc8 $17 25. Nb3 Rb6) 25. Qb3 $1 $15 Qa6 (25... Qxb3+ $142 26. Nxb3 f6) 26. Qd3 $1 $17 Rfc8 $40 {Black goes for the king.} 27. Rc3 Nxd2 (27... b5 $19 {White must now prevent ...b4.} 28. Rg1 b4) 28. Qxd2 ( 28. Qxa6 $17 {might work better.} bxa6 29. Rxc6 Nxc6 30. Nxd2) 28... Rxc3 $19 29. bxc3 Qc4+ 30. Kb2 Qb5+ 31. Ka2 Qc4+ 32. Kb2 $1 Rc6 33. Qc2 Rb6+ 34. Kc1 Ra6 35. Kb2 (35. Qb2 $142) 35... Rb6+ (35... Nc6 $19 {Strongly threatening ...Rb6+. } 36. g5 Qb5+ 37. Ka2 Qc4+ 38. Kb2 Qb5+ 39. Ka2 Na5) 36. Kc1 $17 Qb3 (36... Nc6 $142 {Hoping for ... Qa6.} 37. Kd2 Na5) 37. Qxb3 Rxb3 {Endgame KRN-KRN} 38. Kc2 Rxa3 39. Kb2 {Prevents Ra2+.} Ra4 40. Nd2 Nc6 41. Nb3 b5 42. Rc1 Na5 43. Nd2 ( 43. Nxa5 $15 Rxa5 44. f4) 43... b4 44. cxb4 (44. c4 $17) 44... Rxb4+ $19 45. Kc3 Nc6 46. Kd3 Nxd4 ({Not} 46... Rxd4+ 47. Ke3 $11) 47. Rc8+ Kh7 48. Rc7 a5 49. Rxf7 Nc6 50. f4 a4 $1 51. Rc7 Rb6 52. Rc8 a3 53. Ra8 Nb4+ (53... a2 $1 $19 {Threatens to win with ...Nb4+.} 54. Kc3 Rb4) 54. Kc3 $17 Na6 55. Nb3 a2 { aiming for ...Rxb3+!} 56. Na1 Rb1 57. Nc2 (57. Rxa6 $17 Rxa1 58. Kc2) 57... a1=Q+ 58. Nxa1 Rxa1 $19 {KRN-KR} 59. f5 exf5 60. gxf5 Rc1+ 61. Kd2 Rf1 { ...Nc5 is the strong threat.} 62. f6 Nc5 63. Ra7 {[#]} Kg8 $1 64. Rxg7+ Kf8 65. Rc7 Ne6 66. Rb7 Ng5 ({Inferior is} 66... Rf5 67. Rb8+ Kf7 68. Rb7+ Kg8 69. Rb8+ Kh7 70. Rb7+ Kh8 71. Rb8+ Kh7 72. Rb7+ Kh8 73. Rb8+ Kh7 $11) 67. Ke3 Rf5 $2 ({ Better is} 67... Re1+ $19 68. Kf4 d4) 68. Rb8+ $15 Kf7 69. Rb7+ Kf8 (69... Ke8 $5 70. Re7+ Kf8 $15) 70. Rb8+ Kf7 71. Rb7+ Ke8 72. Re7+ Kf8 73. Kd4 Nf7 $1 74. Kxd5 Rxh5 75. Ke4 {Inhibits Rf5.} Rg5 76. Kf4 $2 {[#]} (76. Re6 $15) 76... Nh8 $1 $19 77. Ke4 Ng6 78. Rh7 Rxe5+ 79. Kd4 h5 80. Rg7 Rg5 81. Rh7 Ne5 {( -> ... Nf7)} 82. Rg7 Nf7 {Weighted Error Value: White=0.22 (precise) / Black=0.24 (precise)} 0-1