[Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.13"] [Round "2"] [White "Kovalev, Vladislav"] [Black "Praggnanandhaa R"] [Result "1/2-1/2"] [ECO "B31"] [WhiteElo "2687"] [BlackElo "2539"] [Annotator "TA"] [PlyCount "128"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,128,6,23,19,37,33,37,23,37,27,25,27,32,0,14,0,21,16,32,14,65,68,78,39,56,53,43,0,0,0,0,0,0,0,29,24,28,27,22,31,39,62,52,51,52,54,94,65,122,102,139,90,92,53,129,121,160,169,166,0,0,0,0,2,8,0,11,21,14,22,15,8,102,8,15,0,10,10,10,8,14,8,14,8,8,8,15,8,8,8,8,8,8,8,8,0,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d4 cxd4 (5... Bg7 6. dxc5 Qa5+ 7. Nbd2 Ba6 8. a3 Qxc5 9. c4 Nf6 10. b4 Qb6 11. O-O O-O 12. Bb2 d6 13. Qc2 {1-0 (35) Nepomniachtchi,I (2759)-Dubov,D (2703) Sochi 2018}) 6. Qxd4 {B31: Sicilian: 2...Nc6 3 Bb5 g6} f6 7. O-O d6 {LiveBook: 5 Games} 8. c4 {White has an edge.} c5 9. Qd3 Bg7 $146 ({Predecessor:} 9... Bh6 10. a3 Bxc1 11. Rxc1 Nh6 12. Nc3 Rb8 13. b4 cxb4 14. axb4 Rxb4 15. Rxa7 {1-0 (22) Tripp,G (1828)-Cowling,T (1658) ICCF email 2013}) 10. Nc3 Nh6 11. Nh4 Rb8 12. b3 O-O 13. Re1 Nf7 14. f4 f5 15. exf5 gxf5 16. Bb2 e6 (16... Bd4+ $11 17. Kh1 e6) 17. Nf3 Re8 18. Re3 Bb7 19. Rae1 Be4 20. Qd2 d5 $1 21. Na4 {[%cal Bc3a4,Ba4c5,Bc5d3][%mdl 32] [#] Black must now prevent Bxg7.} d4 22. Rxe4 fxe4 23. Rxe4 e5 24. Nxc5 Qc8 25. Nd3 $36 {[%cal Rf4e5][%mdl 2048] White is pushing.} Qf5 26. Qe2 {[%cal Rf4e5]} Nd6 27. Rxe5 $1 Bxe5 28. fxe5 Qe4 29. Kf2 a5 30. Nxd4 (30. Bxd4 {with more complications.} Qxe2+ 31. Kxe2 a4 32. Kd2 Ne4+ 33. Ke3) 30... Qxe2+ (30... a4 $14) 31. Nxe2 $16 Nf5 32. Nef4 Rec8 {and if ...a4 works, Black does fine.} 33. g4 Ne7 ({Black should play} 33... Ng7 $14) 34. Ba3 Rb7 35. Nc5 Rbc7 36. Nfe6 $2 ({Better is} 36. Nce6 $18) 36... Rc6 $11 37. Ke3 h6 {Threatens to win with ...Kf7.} 38. Kd4 Ng6 $1 39. Kd5 {Nd7 is the strong threat.} Kf7 {[#] Strongly threatening ...Ne7+.} 40. Nd8+ $1 Rxd8+ 41. Kxc6 {And now e6+ would win.} Nxe5+ {[%mdl 4096] Endgame KRN-KBN} 42. Kb5 Nxg4 (42... Rd2 $11) 43. Nb7 ({But not} 43. Kxa5 $6 Rd2 $11) (43. Bc1 $16) 43... Rd2 $1 {The position is equal.} 44. h3 Nf2 45. Bc1 Rxa2 46. Bxh6 Nxh3 47. Nxa5 Nf2 48. b4 Nd3 49. Nc6 Ke8 50. Be3 Kd7 51. Bb6 Nf4 52. Ba5 Kc8 53. Ne7+ Kd7 54. Nc6 Kc8 55. c5 Nd5 56. Ne5 Rh2 57. Kc6 Ne7+ 58. Kd6 Nf5+ 59. Kd5 Rh6 60. Nf7 Rf6 61. Ne5 Ne7+ 62. Kc4 Rf5 63. Nd3 Nc6 64. Bb6 Rh5 {Accuracy: White = 67%, Black = 55%.} 1/2-1/2 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.15"] [Round "4"] [White "Kovalev, Vladislav"] [Black "Van Foreest, Lucas"] [Result "1-0"] [ECO "C67"] [WhiteElo "2687"] [BlackElo "2502"] [Annotator "TA"] [PlyCount "158"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,158,16,16,12,12,9,14,13,20,20,16,11,6,0,0,2,0,0,16,12,28,20,25,25,23,19,25,19,24,17,24,26,28,20,33,25,28,28,31,25,26,22,42,17,17,4,2,0,0,0,3,1,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,25,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,8,8,8,8,0,849,842,29959,29960,4570,1633,29968,29968,29976,29975,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980,29980,29981,29984]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 11. c3 Rxe1 12. Qxe1 Ne8 {LiveBook: 46 Games. The position is equal.} 13. d5 c6 14. Be3 cxd5 15. Qd2 Nc7 16. Na3 d6 17. Nc2 Bf5 18. Nb4 {[#]} Be4 $146 19. Rd1 Qe7 20. a3 h6 21. f3 Bf5 22. Qf2 b6 23. Nxd5 Nxd5 24. Rxd5 Be6 25. Rd2 Bb3 26. Bd4 Bxd4 27. Rxd4 d5 28. Qe2 Kf8 29. Kf2 Re8 30. Qxe7+ Kxe7 $11 {[%mdl 4096] Endgame KRB-KRB} 31. Bb5 {Threatens to win with Rb4.} Rc8 32. h4 f6 33. h5 Kd6 34. Rg4 Rc7 35. Ke3 Re7+ 36. Kd2 Kc5 37. Ba6 Ba2 38. a4 Bb3 39. Kd3 Bd1 {...Be2+ is the strong threat.} 40. Kd2 Bb3 41. Rf4 Re5 42. g4 Re8 43. Rd4 Re7 44. Rf4 Re8 45. Be2 Re7 46. Bd1 Bxd1 47. Kxd1 {KR-KR} Re8 48. Kd2 Re7 49. b4+ Kc6 50. Rd4 Re5 51. c4 dxc4 52. Rxc4+ Kd7 53. Rd4+ Kc6 54. Kd3 Rg5 55. Kc4 {And now b5+ would win.} a6 {[%cal Ba7a6,Ba6b5][%mdl 32]} 56. Rd8 b5+ 57. axb5+ axb5+ 58. Kd4 f5 59. f4 Rxg4 60. Ke5 Rh4 61. Rd6+ Kc7 62. Rg6 Rxh5 63. Rxg7+ Kc6 64. Rg6+ Kc7 65. Re6 Kb7 66. Kf6 Rh1 67. Kxf5 h5 68. Re5 Kc6 $2 {[%mdl 8192]} (68... Kb6 $11) 69. Ke6 $1 $18 h4 70. f5 h3 {[#]} 71. f6 $1 {[%cal Rf6f7]} Rf1 {[#]} 72. Re2 $1 {White mates.} Rf4 73. Rc2+ Kb6 74. f7 Rf3 75. Re2 Kc6 76. Ke7 Kd5 77. f8=Q Rxf8 78. Kxf8 Kc4 79. Re4+ Kd5 {Accuracy: White = 81%, Black = 68%.} 1-0 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.18"] [Round "6"] [White "Kovalev, Vladislav"] [Black "Saduakassova, Dinara"] [Result "1-0"] [ECO "C42"] [WhiteElo "2687"] [BlackElo "2472"] [Annotator "TA"] [PlyCount "137"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,137,12,18,5,33,9,12,0,33,16,23,0,22,-17,0,-1,0,-19,11,14,17,11,37,28,32,18,55,29,36,47,50,16,43,33,28,24,28,25,28,17,28,23,22,16,19,15,16,15,15,15,15,16,22,16,27,15,16,24,24,24,35,35,35,35,35,35,35,35,197,163,174,172,170,175,247,247,247,240,256,202,191,143,150,117,339,339,331,331,311,306,482,482,466,456,567,0,163,0,559,569,568,562,673,655,559,499,1783,1700,2843,2633,2415,2175,6041,5185,3270,2754,6029,5953,29976,29974]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. Nc3 Nxc3 7. dxc3 Qxe2+ 8. Bxe2 Nc6 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 9. Be3 Be7 10. O-O-O O-O {LiveBook: 3 Games. The position is equal.} 11. Rde1 $146 ({Predecessor:} 11. Rhe1 Bf6 12. Nd2 Re8 13. Bf3 Ne5 14. Bf4 Kf8 15. Bd5 c6 16. Bb3 {0-1 (66) Kramnik,V (2800)-Caruana,F (2784) Berlin 2018}) 11... Bf6 12. h4 Bg4 13. Bg5 Bd8 14. Kd2 h6 {Strongly threatening ...Bxf3.} 15. Be3 Bf6 16. h5 a6 17. Nh2 Be6 18. b3 d5 19. Nf3 Rad8 20. Nd4 Nxd4 21. cxd4 Be7 22. Rhg1 Bf5 23. c3 Rfe8 24. g4 Be4 25. a4 Kf8 26. f3 Bh7 27. Bd3 Bxd3 28. Kxd3 Bd6 29. Ref1 Re6 30. Bd2 Rde8 31. Rg2 c6 32. f4 f5 33. gxf5 Rf6 $1 34. Rfg1 Re7 35. Rg6 {Threatens to win with Rxf6+.} Ref7 $1 36. Ke2 Be7 37. Rxf6 Rxf6 $11 {[%mdl 4096] Endgame KRB-KRB} 38. Kf3 Rxf5 39. Kg4 Rf7 40. Re1 Bf6 41. Bc1 Rd7 42. Ba3+ Kf7 $1 43. Kf5 Rd8 $2 ({Black should try} 43... Bd8 $14) 44. Re6 $1 $18 Bh4 45. Bd6 Rd7 46. Be5 Be7 (46... Bf2 $142 47. b4 Bh4) 47. Rg6 Bf8 48. Kg4 Ke8 49. f5 Rf7 50. f6 gxf6 51. Bxf6 Kd7 $2 (51... a5 $16 52. c4 Kd7 53. cxd5 cxd5) 52. a5 $1 Ke8 53. Kf5 Kd7 54. c4 $1 dxc4 (54... c5 {was called for.}) 55. bxc4 {[%cal Bb3c4,Bc4c5][%mdl 32]} Kd6 56. Ke4 Kd7 57. Kf5 $2 (57. c5 Rh7 58. Ke5) 57... Kd6 $1 {[#]} 58. Ke4 $2 (58. Kg4 $1) 58... Kd7 59. c5 Rh7 60. Kf5 Rf7 {[#]} 61. Ke5 $1 Rh7 62. Rg8 Ke8 (62... Rf7 $142 63. Rh8 Ke8) 63. Ke6 Rf7 64. Rh8 Rc7 65. Kf5 Rd7 66. Kg6 Rf7 67. Rg8 Rd7 68. Be5 Rd5 69. Kf6 {Precision: White = 77%, Black = 42%.} 1-0 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.22"] [Round "9"] [White "Kovalev, Vladislav"] [Black "L'Ami, Erwin"] [Result "1/2-1/2"] [ECO "C01"] [WhiteElo "2687"] [BlackElo "2643"] [Annotator "TA"] [PlyCount "80"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,80,8,5,0,0,0,0,-7,0,0,0,0,0,0,0,0,7,0,8,5,15,11,1,1,27,19,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6 {C01: French: Exchange Variation} 7. Ng5 (7. c4 dxc4 8. Bxc4 Qe7 9. O-O O-O 10. Nc3 Re8 11. Bg5 h6 12. Bh4 Nbd7 13. Rfe1 Qf8 14. Bxe6 Rxe6 {0-1 (58) Carlsen,M (2832)-Grischuk,A (2750) chess.com INT 2017}) 7... Qe7 8. Nxe6 fxe6 {LiveBook: 6 Games} 9. Nd2 Nc6 10. Nf3 O-O 11. O-O e5 12. dxe5 Nxe5 13. Nxe5 {[#]} Qxe5 $146 ({Predecessor:} 13... Bxe5 14. Bf4 {0-1 (54) Kurmann,O (2451)-Bogner,S (2605) Lenzerheide 2018}) 14. Qxe5 Bxe5 15. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} c6 16. Bd2 Ng4 17. g3 Bc7 18. Be2 Nf6 19. c4 Bb6 20. cxd5 Rae8 {The position is equal.} 21. Rae1 {[#] Threatens to win with dxc6.} Ne4 22. Be3 Bxe3 23. fxe3 {Black must now prevent dxc6.} cxd5 24. Rc1 Nf6 25. Rc3 Re5 26. Bf3 g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 27. Rd1 g4 28. Bg2 Kg7 29. Rd4 Rf7 30. Ra4 b6 31. Rf4 Rfe7 32. Kf2 Rh5 33. Kg1 Rhe5 34. Kf2 Rh5 35. Rc6 Rf7 36. Kg1 Re5 37. Kf2 Rh5 38. Kg1 Re5 39. Rc3 Rfe7 40. Kf2 Rh5 {Precision: White = 79%, Black = 80%.} 1/2-1/2 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.25"] [Round "11"] [White "Kovalev, Vladislav"] [Black "Maghsoodloo, Parham"] [Result "1-0"] [ECO "B01"] [WhiteElo "2687"] [BlackElo "2679"] [Annotator "TA"] [PlyCount "135"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,134,22,41,20,45,0,14,-14,-6,-17,0,0,0,0,0,-3,0,-9,-10,-23,0,0,0,0,0,0,0,0,0,0,0,0,4,-12,28,-7,-4,-6,0,0,0,0,58,0,0,0,0,0,4,5,6,14,8,0,0,0,0,0,0,0,0,0,0,0,33,33,56,37,258,272,252,248,192,193,295,295,237,295,229,295,281,295,295,294,295,24,24,0,291,288,295,290,276,0,233,0,264,258,488,477,425,383,477,383,29992,29993,29993,29993,29994,29995,29995,29996,29996,29997,29997,29998,29998,29999,29999]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 g6 6. Bc4 {B01: Scandinavian Defence} (6. Be2 Bg7 7. O-O O-O 8. h3 Nc6 9. Be3 b6 10. Qd2 Bb7 11. Rad1 e6 12. Bh6 Ne7 13. Bxg7 Kxg7 {½-½ (23) Giri,A (2783)-Nakamura,H (2746) St Petersburg 2018}) 6... Bg7 7. O-O O-O 8. h3 a6 9. a4 Nc6 {[%cal Bb8c6,Bc6e7,Be7d5,Bd5f4][%mdl 32] LiveBook: 4 Games} 10. Re1 b6 11. b3 $146 {White wants to play Ba3.} ({Predecessor:} 11. Bg5 Bb7 12. Bb3 h6 13. Bh4 {1-0 (44) Warmerdam,M (2350)-Admiraal,M (2441) chess.com INT 2017}) 11... e6 12. Be3 Bb7 13. Qe2 Ne7 14. Rad1 Qd6 15. Bg5 Ned5 16. Bd2 Nf4 17. Bxf4 $1 Qxf4 18. d5 exd5 19. Nxd5 Nxd5 20. Bxd5 c6 21. Qe7 Rab8 $1 22. Bc4 b5 23. Bf1 c5 24. Qd6 Qf5 $132 {[%mdl 2048] Black has counterplay} 25. Bd3 Qc8 26. Be4 bxa4 {Threatening ...a3.} 27. bxa4 a5 28. Bxb7 Rxb7 29. Ne5 c4 (29... Re8 $11) 30. Nd7 (30. Nc6 $14) 30... Rd8 $11 31. Nf6+ Bxf6 $1 32. Qxf6 Rbd7 33. Rxd7 Qxd7 {[%mdl 4096] Endgame KQR-KQR} 34. Re4 Rc8 35. Re7 Qd1+ $1 36. Kh2 Rf8 37. Qc3 Qd6+ 38. Qe5 Qb4 39. c3 Qxa4 40. f4 Qa3 41. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} h6 42. h5 $1 {[%cal Rh5g6]} g5 $2 (42... gxh5 $14 43. Qf6 Kh7) 43. fxg5 $18 Qc1 44. gxh6 (44. Qxa5 Qf4+ 45. g3 Qf2+ 46. Kh3 Qf1+ 47. Kh4 Qh1+ 48. Kg4 f5+ 49. gxf6 Qd1+ 50. Kh4 Qh1+ 51. Kg4 Qd1+ 52. Kh4 Qh1+ 53. Kg4 $11) 44... Qxh6 45. Ra7 f5 (45... f6 $142 46. Qf5 Kh8 47. Rxa5 Qe3) 46. Qd5+ Kh8 {[#]} 47. Qd4+ $1 ({Don't do} 47. Rxa5 $6 Qxh5+ 48. Kg1 Qh4 $16) 47... Kg8 48. Qxc4+ Kh8 49. Qd4+ ({Not} 49. Rxa5 Qxh5+ 50. Kg1 Qd1+ 51. Kh2 Qh5+ 52. Kg1 Qd1+ 53. Kh2 Qh5+ $14) 49... Kg8 50. Kg1 Re8 {If Black can now play ...Qc1+ this consolidates a bit.} 51. Qd5+ $2 ({White must play} 51. Rxa5 $18 Qxh5 52. Qd3) 51... Kh8 $1 $11 {( -> ...Re1+)} 52. Qd4+ $2 {[%mdl 8192]} (52. Qd3 $11 Qc1+ 53. Kh2) 52... Kg8 $18 53. Rxa5 Qxh5 54. Qd5+ Kh8 55. Qd4+ Kg8 {intending ...Re1+.} 56. Qd5+ Kh8 $1 57. Qxf5 Qd1+ $2 {[#]} (57... Qxf5 58. Rxf5 Rc8) 58. Kh2 $1 ({Stronger than} 58. Qf1 Re1 $11) 58... Qd6+ 59. g3 {Threatening mate with Qh5+.} Qd2+ 60. Kh3 {Intending Qf6+ and mate.} Qxc3 $2 (60... Qh6+ $18 61. Qh5 Qxh5+ 62. Rxh5+ Kg7) 61. Qh5+ {White mates.} Kg7 62. Rg5+ Kf6 63. Rf5+ Ke6 64. Qf7+ Kd6 65. Rd5+ Kc6 66. Qd7+ Kb6 67. Rb5+ Ka6 68. Qb7# {Precision: White = 61%, Black = 48%.} 1-0 [Event "81st Tata Steel Challengers 2019"] [Site "Wijk aan Zee"] [Date "2019.01.27"] [Round "13"] [White "Kovalev, Vladislav"] [Black "Kuipers, Stefan"] [Result "1-0"] [ECO "C07"] [WhiteElo "2687"] [BlackElo "2470"] [Annotator "TA"] [PlyCount "47"] [EventDate "2019.01.12"] [EventType "tourn"] [EventCountry "NED"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,47,12,8,1,14,14,14,10,18,5,18,8,20,12,10,9,9,0,9,9,9,9,8,0,9,17,9,12,45,43,29985,29986,29988,29987]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Qc7 9. Qe2 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Ne7 10. O-O Ng6 11. Nf3 {The position is equal.} Bd6 12. Re1 (12. c4 dxe4 13. Bxe4 O-O 14. Rd1 Rad8 15. h3 c5 16. b3 Bc6 {0-1 (40) Nepomniachtchi,I (2763)-Vitiugov,N (2719) St Petersburg 2018}) 12... Nf4 13. Bxf4 Bxf4 14. g3 Bd6 $1 15. exd5 cxd5 16. Rac1 {[%cal Ba1c1,Bc1c4,Bc4d4][%mdl 32] [#] Strongly threatening c4.} Rd8 $146 ({Predecessor:} 16... Qb6) 17. c4 dxc4 $1 18. Rxc4 Qb6 19. Ne5 Bxe5 20. Qxe5 O-O $1 21. a3 $40 {[%mdl 128] Black needs to defend precisely.} Rc8 22. Rd4 Bc6 $2 {[%mdl 8192] [#]} (22... Qc7 $14) 23. Bxh7+ $1 {[%mdl 512]} Kxh7 24. Rg4 {Accuracy: White = 97%, Black = 32%.} 1-0