[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.1"]
[White "Nitin, S.."]
[Black "Vignesh B"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2399"]
[BlackElo "2072"]
[Annotator "TA"]
[PlyCount "203"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,203,13,13,-19,-20,-24,0,-16,19,18,35,27,44,42,26,4,9,0,0,0,0,0,0,0,0,-23,26,31,62,49,52,50,55,57,70,68,66,67,70,64,75,68,89,83,91,88,88,78,116,109,100,93,139,113,128,119,135,143,231,138,164,91,181,163,119,64,255,97,109,62,214,145,144,61,246,0,139,61,343,343,343,142,343,58,67,0,332,100,97,88,182,160,153,154,151,143,143,80,85,80,212,209,194,194,194,140,411,159,177,133,198,198,252,259,600,382,377,278,573,566,569,548,547,471,428,200,200,142,147,0,198,198,398,220,298,298,397,370,427,348,428,405,411,415,479,415,477,470,768,395,372,0,521,488,563,516,781,760,1131,1131,885,885,737,727,727,723,3514,3313,1980,1990,1779,1779,1660,1608,1597,1435,1560,1431,29978,29979,29979,29980,29980,29981,29981,29982,29983,29982]} 1. g3 {[%emt 0:00:33]} Nf6 {[%emt 0:00:58]} 2. Bg2 {[%emt 0:00:19]} d5 {[%emt 0:00:21]} 3. Nf3 {[%emt 0:01:02]} g6 {[%emt 0:03:09]} 4. O-O {[%emt 0:04:50]} Bg7 {[%emt 0:00:06]} 5. d3 {[%emt 0:00:08]} O-O {[%emt 0:00:12]} 6. Nbd2 {[%emt 0:00:12]} c5 {[%emt 0:01:18]} 7. e4 {[%emt 0:00:10]} Nc6 {[%emt 0:01:36]} 8. Re1 {[%emt 0:02:31]} e5 {[%emt 0:00:38]} 9. exd5 {[%emt 0:00:39]} Nxd5 {[%emt 0:00:10]} 10. a3 {[%emt 0:01:22] A08: King's Indian Attack.} b6 {[%emt 0:06:23]} 11. Rb1 {[%emt 0:01:07] [#]} f6 $146 {[%emt 0:01:37]} ({Predecessor:} 11... Bb7 12. h4 Qd7 13. h5 Rae8 14. hxg6 hxg6 15. Ne4 Nc7 16. Nh4 Ne6 17. b4 cxb4 18. axb4 {1-0 (52) Pachow,J (2290)-Zieher,H (2230) Germany 1996}) 12. c4 {[%emt 0:10:26] aiming for Nxe5. The position is equal.} Nde7 {[%emt 0:04:02]} 13. b4 $1 {[%emt 0:00:50]} Bf5 {[%emt 0:11:10]} (13... Qxd3 14. b5 $14) 14. Ne4 {[%emt 0:03:34]} Bxe4 {[%emt 0:14:38]} 15. Rxe4 {[%emt 0:04:34]} Qd6 {[%emt 0:01:29]} 16. b5 {[%emt 0:03:26]} Nd8 {[%emt 0:14:30]} 17. Bb2 {[%emt 0:13:56]} Ne6 {[%emt 0:01:16]} 18. Qc2 {[%emt 0:02:10]} Rad8 {[%emt 0:03:35]} 19. Rd1 {[%emt 0:02:29]} Qc7 {[%emt 0:09:47]} 20. a4 {[%emt 0:04:44]} Rd6 {[%emt 0:00:35]} 21. Nh4 {[%emt 0:05:59]} Rfd8 {[%emt 0:03:16]} (21... Qd7 {should be considered.}) 22. f4 $11 {[%emt 0:05:57]} Nd4 {[%emt 0:04:21]} 23. Bxd4 {[%emt 0:00:34]} Rxd4 {[%emt 0:00:06]} 24. Rxd4 {[%emt 0:02:24]} Rxd4 {[%emt 0:03:21]} 25. fxe5 {[%emt 0:03:25]} fxe5 {[%emt 0:03:30]} (25... Qxe5 $2 26. Nf3 Qd6 27. Nxd4 Qxd4+ 28. Kh1 $18) 26. Be4 {[%emt 0:00:32]} Rd8 {[%emt 0:01:01]} 27. a5 {[%emt 0:03:21]} Qd6 {[%emt 0:05:07]} 28. axb6 {[%emt 0:03:51]} axb6 {[%emt 0:00:02]} 29. Rf1 {[%emt 0:00:21]} Rf8 {[%emt 0:00:29]} 30. Rxf8+ {[%emt 0:00:19]} Kxf8 {[%emt 0:00:28]} 31. Nf3 {[%emt 0:00:12]} Bf6 {[%emt 0:02:32]} 32. Qa4 {[%emt 0:00:13]} Nf5 {[%emt 0:00:39]} 33. Qa8+ {[%emt 0:01:05]} Kg7 {[%emt 0:00:03]} 34. Qb7+ {[%emt 0:00:45]} Ne7 {[%emt 0:01:47]} (34... Be7 $142) 35. Kf1 {[%emt 0:03:46]} h5 {[%emt 0:00:32]} 36. Ke2 {[%emt 0:00:57]} Qe6 {[%emt 0:02:59]} 37. Qc7 {[%emt 0:00:11]} Kh6 {[%emt 0:00:13]} (37... h4 $16 38. gxh4 Kh6) 38. Kf2 {[%emt 0:02:22]} (38. h4 $1 $18) 38... h4 {[%emt 0:00:59]} 39. gxh4 {[%emt 0:02:38]} (39. g4 $18 Bg5 40. h3 (40. Qxe5 Qxe5 41. Nxe5 Bf4 $16)) 39... Kg7 {[%emt 0:00:32]} (39... Kh5 $16) 40. Ke2 {[%emt 0:05:01]} Kh6 {[%emt 0:00:20]} 41. Kd2 {[%emt 0:01:15]} (41. h3 $16) 41... Kg7 $2 {[%emt 0:00:35]} (41... Kh5 $1 $14) 42. Kc2 $2 {[%emt 0:00:35]} (42. Ng5 $18 Qg4 43. Nf3) 42... Kh6 $16 {[%emt 0:00:34]} 43. Kb3 {[%emt 0:00:33]} (43. Qb8 $16) 43... Kg7 $2 {[%emt 0:00:25]} (43... Bg7 $14) 44. h3 {[%emt 0:01:49]} Kh6 {[%emt 0:00:34] Inhibits Ng5.} 45. Qb8 {[%emt 0:00:08]} ({White should play} 45. Nh2 $16) 45... Nc8 $2 {[%emt 0:00:33]} ({Black should try} 45... Bg7 $14) 46. Qc7 {[%emt 0:01:23]} (46. Qa8 $18) 46... Ne7 {[%emt 0:00:01]} 47. Ka3 {[%emt 0:00:47]} (47. Nh2 $16) 47... Nf5 $2 {[%emt 0:00:59][%mdl 8192]} (47... Bg7 $1 $14) 48. Qc6 $18 {[%emt 0:00:48]} Nd6 {[%emt 0:00:24]} 49. Ka4 {[%emt 0:00:46]} (49. Bd5 Qf5 50. Qxd6 Qf4 $18) (49. Kb3 $18 {has better winning chances.}) 49... Bd8 {[%emt 0:00:34]} (49... Qxh3 $16 50. Qxd6 Qf1) 50. Bd5 $2 {[%emt 0:00:42]} (50. Ng5 $1 $18 {[%cal Rg5e6]} Qe7 51. Qxd6 $3 {[%mdl 512]} Qxd6 52. Nf7+ Kh5 53. Nxd6) 50... Qf6 $14 {[%emt 0:00:01][%cal Oe5e4]} 51. Be4 $2 {[%emt 0:00:53][%mdl 8192]} (51. Nh2 $14 Qe7 52. Ng4+ Kg7 53. h5) 51... Qe6 $1 $18 {[%emt 0:00:47]} 52. Kb3 $2 {[%emt 0:01:02]} (52. Ng5 $1 $18 {[%cal Rg5e6]} Qe7 53. Qxd6 $3 {[%mdl 512]} Qxd6 54. Nf7+ Kh5 55. Nxd6) 52... Qf6 $16 {[%emt 0:00:22]} 53. Qd5 {[%emt 0:01:06]} Nf7 {[%emt 0:00:35]} (53... Kg7 $16) 54. Qd7 $18 {[%emt 0:00:09]} Qe7 {[%emt 0:00:47]} 55. Qc6 {[%emt 0:03:09][%csl Ge4][%cal Rc6g6] 0x0.0022fb2889cfdp-1022s more active pieces.} Qf6 {[%emt 0:01:02]} 56. Qe8 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 57. Bd5 {[%emt 0:00:00]} (57. Qd7 $142) 57... Nd6 $16 {[%emt 0:00:00]} 58. Qg8 $40 {[%emt 0:00:00][%mdl 128] White threatens Nh2 and mate. Black is in trouble.} Qf8 {[%emt 0:00:58]} (58... Nf5 $16 {was necessary.}) 59. Qxf8+ $18 {[%emt 0:00:22]} (59. Nxe5 $6 Qxg8 60. Bxg8 Nf5 $16) 59... Bxf8 {[%emt 0:00:01]} 60. Nxe5 {[%emt 0:00:01][%mdl 4096] Endgame KBN-KBN} Be7 {[%emt 0:00:25]} 61. Be4 {[%emt 0:00:42]} (61. Nd7 $18 Bd8 62. Be6) 61... Bf6 $2 {[%emt 0:01:04][%mdl 8192]} (61... Bd8 $16 62. Kc2 (62. Bxg6 Bf6 $16) 62... Bc7) 62. Nd7 $2 {[%emt 0:00:26]} (62. Ng4+ $18 Kg7 63. Nxf6 Kxf6 64. Kc2) 62... Bd8 $16 {[%emt 0:00:06]} 63. Nf8 {[%emt 0:00:36]} Bf6 {[%emt 0:00:49] [#]} (63... Kh5 $16 64. Nxg6 Bc7) 64. Kc2 $1 $18 {[%emt 0:00:35]} ({Stronger than} 64. Bxg6 Be7 65. Nd7 Kxg6 $11) (64. Nd7 Bd8 65. Bf3 Kg7) 64... Kh5 {[%emt 0:00:32]} (64... Kg7 $142) 65. Nxg6 {[%emt 0:00:20]} ({Much less strong is} 65. Nd7 $6 Bd8 66. Kc3 Bc7 $16) 65... Bxh4 $2 {[%emt 0:00:27]} (65... Bd8 66. Kd1 Bc7) 66. Nf4+ {[%emt 0:00:21]} Kh6 {[%emt 0:00:07]} 67. Kd1 {[%emt 0:00:30] Ke2 is the strong threat.} Bf6 $2 {[%emt 0:00:14]} (67... Nc8 {might work better.} 68. Ke2 Bf6) 68. Ke2 {[%emt 0:00:32]} Kg5 {[%emt 0:00:04]} 69. Kf3 {[%emt 0:00:42]} Kh4 {[%emt 0:00:09]} 70. Kg2 {[%emt 0:00:08]} Bd8 {[%emt 0:00:31]} 71. Ng6+ {[%emt 0:01:40]} (71. Ne6 $142 Be7 72. Nf4) 71... Kg5 {[%emt 0:00:03]} 72. Ne5 {[%emt 0:00:12]} Kf4 {[%emt 0:00:32]} 73. Ng6+ {[%emt 0:00:20]} (73. Nc6 $16 Bf6 74. Bg6) 73... Kg5 {[%emt 0:00:03]} 74. Nf8 {[%emt 0:01:02] Threatens to win with Ne6+.} Kh4 $2 {[%emt 0:01:18]} (74... Kf6 75. Kf3 Nf7) 75. Bd5 {[%emt 0:00:18]} (75. Kf3 $142 {Hoping for Ne6.} Bg5 76. Ng6+ Kh5 77. Nf4+ Kh6 78. Nd5) 75... Nf5 {[%emt 0:00:36]} 76. Be6 {[%emt 0:01:03]} Nd4 {[%emt 0:00:46] [#]} 77. Bg4 $1 {[%emt 0:00:30]} Bc7 {[%emt 0:00:49]} 78. Kf2 {[%emt 0:00:10]} Kg5 {[%emt 0:01:14]} 79. Ke3 {[%emt 0:00:07]} Kf6 {[%emt 0:00:38]} 80. Ke4 {[%emt 0:00:14]} Ke7 {[%emt 0:00:01]} 81. Nd7 {[%emt 0:00:37]} Kd6 {[%emt 0:00:14]} 82. Ne5 {[%emt 0:00:47] Strongly threatening h4.} Nb3 {[%emt 0:00:36]} (82... Ke7 $142 83. Ng6+ Kf7) 83. Nf3 {[%emt 0:00:36]} Bd8 {[%emt 0:00:05]} 84. Ne5 $2 {[%emt 0:00:25]} ({Better is} 84. h4 $18) 84... Bf6 $2 {[%emt 0:01:11][%mdl 8192]} (84... Bc7 $1 $11 85. Ng6 Bd8) 85. Ng6 {[%emt 0:00:07]} Nd2+ {[%emt 0:00:10]} 86. Kf5 {[%emt 0:00:06]} Bg7 {[%emt 0:00:01]} (86... Bc3 $142 87. Nf4 Nf1) 87. h4 {[%emt 0:00:35]} Nf1 {[%emt 0:00:04]} 88. Kg5 {[%emt 0:00:49]} Bc3 {[%emt 0:00:45]} 89. h5 {[%emt 0:00:21] And now h6 would win.} Bd2+ {[%emt 0:00:02]} 90. Kf6 {[%emt 0:00:12]} Ne3 {[%emt 0:00:22]} 91. Bh3 {[%emt 0:00:49] Black must now prevent Kg7.} Nc2 {[%emt 0:00:49]} 92. Kg7 {[%emt 0:00:14]} Ne1 {[%emt 0:00:06]} 93. Bf5 {[%emt 0:00:27]} Bc3+ {[%emt 0:00:52]} 94. Kh7 {[%emt 0:00:39]} Nf3 {[%emt 0:00:32]} 95. h6 {[%emt 0:00:27][%cal Bh5h6,Bh6h7][%mdl 32]} Bd2 {[%emt 0:00:05]} 96. Kg7 {[%emt 0:00:19]} Nd4 {[%emt 0:00:20]} 97. Bg4 {[%emt 0:00:14]} Ne6+ {[%emt 0:00:03]} 98. Bxe6 {[%emt 0:00:39] White mates.} Kxe6 {[%emt 0:00:02]} 99. h7 {[%emt 0:00:18]} Bc3+ {[%emt 0:00:04]} 100. Kg8 {[%emt 0:00:18]} Kf5 {[%emt 0:00:02]} 101. Ne7+ {[%emt 0:00:09]} Kg4 {[%emt 0:00:07]} 102. Nd5 {[%emt 0:00:06][%csl LRb6,LRc3] Weighted Error Value: White=0.41/Black=0.40} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.2"]
[White "Fedorov, Alexei"]
[Black "Savchenko, Boris"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2529"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,20,0,24]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 1:32:19]} 5. Nc3 a6 {[%emt 0:00:00]} 6. Be3 {[%emt 0:00:00]} Ng4 {[%emt 0:00:00]} 7. Bc1 {[%emt 0:00:00] [#]} Nf6 $146 {[%emt 0:01:30]} ({Predecessor:} 7... Nc6 8. Be2 Qb6 9. Bxg4 Qxd4 10. Qe2 Ne5 11. Bxc8 Rxc8 12. O-O e6 13. Rd1 Qc4 14. Qxc4 Rxc4 15. a4 Be7 16. f3 g5 17. Be3 {1-0 (63) Dominguez Perez,L (2758)-Duda,J (2738) chess24.com INT 2021}) 8. Be3 Ng4 {[%emt 0:00:00]} 9. Bc1 {[%emt 0:00:00]} Nf6 {[%emt 0:01:00]} 10. Be3 {[%emt 0:00:00]} Ng4 {[%emt 0:00:00] Recently 10...Nbd7 got a lot of attention.} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.3"]
[White "Abdyjapar, Asyl"]
[Black "Tran, Tuan Minh"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2346"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,134,0,0,0,0,0,0,0,2,0,37,37,132,11,117,102,108,85,113,148,344,209,291,322,309,322,322,310,317,312,306,318,289,322,308,307,302,247,243,236,213,210,210,198,229,226,233,237,249,247,229,195,233,244,247,264,277,275,277,266,261,264,262,189,190,194,200,165,163,165,185,198,197,180,270,253,279,277,229,184,245,248,225,210,277,0,0,0,0,0,27,27,595,593,578,566,668,641,534,468,1556,1391,1231,1153,2359,1768,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980,5098,0,8,80,390,0,0,0,0,0,0]} 1. d4 {[%emt 0:10:10]} Nf6 {[%emt 0:01:41]} 2. Bf4 {[%emt 0:05:47]} c5 {[%emt 0:00:27]} 3. d5 {[%emt 0:00:16]} Qb6 {[%emt 0:00:31]} 4. Nc3 {[%emt 0:00:06]} g6 {[%emt 0:03:12]} 5. e4 {[%emt 0:00:07]} Nxe4 {[%emt 0:07:14]} 6. Nxe4 {[%emt 0:13:09] A45: Trompowsky Attack.} Qb4+ {[%emt 0:02:48]} 7. Qd2 {[%emt 0:03:05]} Qxe4+ {[%emt 0:00:06] [#]} 8. Ne2 $146 {[%emt 0:02:50]} ({Predecessor:} 8. Be2 Bg7 9. c3 d6 10. Nf3 Bf5 11. Rc1 Qa4 12. b3 Qa5 13. O-O O-O 14. Rfe1 {1-0 (52) Tisaj,D (2239)-Solmajer,L (2054) Portoroz 2020}) 8... Bg7 {[%emt 0:01:17]} 9. O-O-O {[%emt 0:00:24]} Na6 {[%emt 0:06:15]} 10. d6 {[%emt 0:04:34][%cal Bd5d6,Bd6e7][%mdl 32]} O-O {[%emt 0:28:11]} ({Black should play} 10... e6 $1 $14) 11. a3 {[%emt 0:09:03]} (11. Nc3 $16 Bxc3 12. bxc3) 11... b5 {[%emt 0:04:50]} (11... e6 $11 {keeps the balance.}) 12. Ng3 $36 {[%emt 0:07:12][%mdl 2048] White has strong initiative.} Qe6 {[%emt 0:05:16]} 13. dxe7 {[%emt 0:03:53]} Re8 {[%emt 0:03:03]} 14. Bxb5 {[%emt 0:02:35] Threatens to win with c3. White is more active.} c4 $2 {[%emt 0:06:48]} (14... Qb6 $16 {is a better defense.} 15. a4 (15. Qe2 Qf6 $17) 15... Rxe7) 15. Qd6 {[%emt 0:08:43] Rhe1 is the strong threat.} ({Stronger than} 15. Bxd7 c3 16. Bxe6 (16. bxc3 $2 Qa2 $19) 16... cxd2+ 17. Rxd2 Bxe6 $17) 15... c3 {[%emt 0:02:00][%cal Oe6a2] ( -> ...Qa2!)} 16. b3 {[%emt 0:00:44]} Rxe7 {[%emt 0:03:32]} 17. Bc4 {[%emt 0:00:34]} Qxd6 {[%emt 0:04:40]} 18. Bxd6 {[%emt 0:00:07]} ({Weaker is} 18. Rxd6 Nc7 $14) 18... Re6 {[%emt 0:00:15]} 19. Bxe6 {[%emt 0:01:08]} dxe6 {[%emt 0:00:42]} 20. f3 {[%emt 0:02:17]} Bb7 {[%emt 0:00:25]} 21. Rhe1 {[%emt 0:00:48]} Rc8 {[%emt 0:00:26]} 22. Be5 {[%emt 0:01:15]} Bh6+ {[%emt 0:03:54]} 23. Kb1 {[%emt 0:00:05] Strongly threatening Ne4.} Bd2 {[%emt 0:00:56]} 24. Re2 {[%emt 0:00:48] aiming for Ne4.} Nc5 {[%emt 0:00:05]} 25. Rexd2 {[%emt 0:00:54]} cxd2 {[%emt 0:00:05]} 26. Rxd2 {[%emt 0:00:04]} Bd5 {[%emt 0:03:32]} 27. Kb2 {[%emt 0:00:56]} Nd7 {[%emt 0:00:07]} 28. Bd4 {[%emt 0:00:17]} a6 {[%emt 0:00:02]} 29. c4 {[%emt 0:03:59]} Bc6 {[%emt 0:00:02]} 30. Ne2 {[%emt 0:00:22]} e5 {[%emt 0:00:39]} 31. Be3 {[%emt 0:00:49]} f5 {[%emt 0:00:24]} 32. Nc3 {[%emt 0:00:07]} Kf7 {[%emt 0:00:03]} 33. b4 {[%emt 0:00:19]} f4 {[%emt 0:01:53]} 34. Bf2 {[%emt 0:00:23]} Ke6 {[%emt 0:00:07]} 35. Kb3 {[%emt 0:01:49]} g5 {[%emt 0:00:11]} 36. b5 {[%emt 0:00:44]} axb5 {[%emt 0:01:19]} 37. cxb5 {[%emt 0:00:07]} Ba8 {[%emt 0:00:02]} 38. Ne4 {[%emt 0:04:20]} Bd5+ {[%emt 0:02:20]} 39. Kb2 {[%emt 0:00:48]} h6 {[%emt 0:03:18]} 40. a4 {[%emt 0:02:38]} g4 {[%emt 0:03:19]} 41. Rc2 {[%emt 0:01:33]} Ra8 {[%emt 0:00:45]} (41... Rc4 $142) 42. Ka3 $18 {[%emt 0:00:34]} gxf3 {[%emt 0:01:24]} 43. gxf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:11]} 44. Nd2 {[%emt 0:02:36]} Rg8 {[%emt 0:00:11]} (44... Rb8 $142 45. Be1 Ba8) 45. a5 {[%emt 0:02:14] Black must now prevent a6.} Rg2 {[%emt 0:00:12]} 46. Nb3 $1 {[%emt 0:00:40]} Bxf3 {[%emt 0:01:00] [#]} 47. b6 $2 {[%emt 0:00:17]} (47. Nc5+ $1 $18 Kf5 48. b6) 47... Nd7 $11 {[%emt 0:01:12]} (47... Rxh2 48. a6 Rh3 49. Nc5+ Kf5 50. Kb2 $18) 48. Kb4 {[%emt 0:01:25]} Rxh2 {[%emt 0:00:18]} 49. Rd2 {[%emt 0:01:15]} Bd5 {[%emt 0:01:19]} (49... Bb7 $5 {[%cal Rb7a6]}) 50. a6 {[%emt 0:01:02]} Rxf2 $2 {[%emt 0:01:17][%mdl 8192]} 51. Rxf2 $18 {[%emt 0:00:30] And now Nc5+ would win.} Nxb6 $11 {[%emt 0:00:07][%mdl 4096] Endgame KRN-KBN} 52. Rh2 {[%emt 0:00:37]} Na8 {[%emt 0:01:24]} 53. Rxh6+ {[%emt 0:00:07]} Kf5 {[%emt 0:00:06]} 54. Nd2 {[%emt 0:01:02]} Bg2 {[%emt 0:00:35]} (54... Nc7 $142 55. a7 e4 56. Rh5+ Ke6) 55. Rh8 $18 {[%emt 0:00:46]} Nc7 {[%emt 0:00:28]} 56. a7 {[%emt 0:00:12]} e4 {[%emt 0:01:32]} 57. Rf8+ {[%emt 0:01:14]} Kg4 {[%emt 0:00:25]} 58. Rg8+ {[%emt 0:01:38]} Kh3 {[%emt 0:00:01] [#]} 59. Rxg2 $1 {[%emt 0:00:38][%mdl 512]} Kxg2 {[%emt 0:00:08]} 60. Nxe4 {[%emt 0:00:03] KN-KN} Kf3 {[%emt 0:00:24] [#]} 61. Nf6 $1 {[%emt 0:00:02]} Ke3 {[%emt 0:00:42]} 62. Kc5 {[%emt 0:00:10]} f3 {[%emt 0:00:16]} 63. Nd5+ $2 {[%emt 0:01:15]} (63. Ng4+ $18 Kf4 64. Nh2) 63... Nxd5 $1 $11 {[%emt 0:00:46]} 64. a8=Q {[%emt 0:00:08]} f2 {[%emt 0:00:01]} 65. Qa6 $2 {[%emt 0:01:38]} ({And not} 65. Qxd5 f1=Q $11) ({White must play} 65. Qa3+ $18 Ke4 66. Qa4+ Kf3 67. Qd1+ Kg3 68. Kd4) 65... Nc3 {[%emt 0:00:42] The position is equal.} 66. Qf1 {[%emt 0:00:28] Hoping for Kc4.} Ne4+ {[%emt 0:00:01]} 67. Kd5 {[%emt 0:00:08]} Ng3 {[%emt 0:00:26] Weighted Error Value: White=0.18 (very precise) /Black=0.43} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.4"]
[White "Konguvel, Ponnuswamy"]
[Black "Aronyak Ghosh"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2331"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,88,47,46,27,38,31,25,12,11,10,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,8,3,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-13,-8,-15,-15,-15,-15,-20,-15,-15,-15,-29,-7,-7,0,-6,-6,-6,-6,-6,0,-6,0,-6,0]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:05:42]} 2. d4 {[%emt 0:00:19]} d5 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:12][%cal Bb1c3,Bc3e4,Be4g5][%mdl 32]} dxe4 {[%emt 0:00:33]} 4. Nxe4 {[%emt 0:00:06]} Nd7 {[%emt 0:00:35]} 5. Ng5 {[%emt 0:00:36]} Ngf6 {[%emt 0:00:37]} 6. Bd3 {[%emt 0:00:40]} e6 {[%emt 0:00:22]} 7. N1f3 {[%emt 0:01:06]} Bd6 {[%emt 0:00:17]} 8. Qe2 {[%emt 0:00:27]} h6 {[%emt 0:00:11]} 9. Ne4 {[%emt 0:00:20]} Nxe4 {[%emt 0:00:09]} 10. Qxe4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:08]} 11. Qe2 {[%emt 0:00:29]} Qb6 {[%emt 0:00:12]} 12. O-O {[%emt 0:10:29] B17: Caro-Kann: Modern Line (4...Nd7).} O-O {[%emt 0:00:08]} 13. c4 {[%emt 0:04:41] [#] Threatens to win with c5.} c5 {[%emt 0:03:02]} 14. Be3 {[%emt 0:12:06] White has an edge.} Qc7 {[%emt 0:09:59]} 15. dxc5 {[%emt 0:12:47]} Bxc5 {[%emt 0:00:09]} 16. Bd2 {[%emt 0:01:05] [#]} a5 $146 {[%emt 0:17:02]} ({Predecessor:} 16... Bd6 17. Bc3 Ng4 18. Nd4 Bxh2+ 19. Kh1 Bg1 20. Nf3 Bxf2 21. Ne5 Qc5 22. Qxg4 f5 {1-0 (41) Adla,D (2455)-Slipak,S (2405) Buenos Aires 1993}) 17. Bc3 {[%emt 0:01:48]} b6 {[%emt 0:02:36]} 18. Ne5 {[%emt 0:23:34]} Bb7 {[%emt 0:02:38]} 19. Rad1 {[%emt 0:00:48]} Rfd8 {[%emt 0:09:57]} 20. Bc2 {[%emt 0:02:36]} Bb4 {[%emt 0:03:48]} 21. Bd4 {[%emt 0:00:26]} Bc5 {[%emt 0:00:35]} 22. Bc3 {[%emt 0:00:04]} Rxd1 {[%emt 0:04:30]} 23. Rxd1 {[%emt 0:00:04]} Rd8 {[%emt 0:00:02]} 24. a3 {[%emt 0:01:25]} Rxd1+ {[%emt 0:01:45]} 25. Qxd1 {[%emt 0:00:11]} Ne4 {[%emt 0:01:49]} 26. Bxe4 {[%emt 0:01:41]} Bxe4 {[%emt 0:00:06]} 27. Qd7 {[%emt 0:00:20]} Qxd7 {[%emt 0:03:57]} 28. Nxd7 {[%emt 0:00:06]} a4 {[%emt 0:00:23]} 29. Nxc5 {[%emt 0:00:27]} bxc5 $11 {[%emt 0:00:05][%mdl 4096] Endgame KB-KB} 30. Be5 {[%emt 0:00:33]} Bd3 {[%emt 0:00:25]} 31. Bd6 {[%emt 0:00:05]} Bxc4 {[%emt 0:00:02]} 32. Bxc5 {[%emt 0:00:06]} g5 {[%emt 0:00:06]} 33. f3 {[%emt 0:01:38]} f6 {[%emt 0:00:26]} 34. Kf2 {[%emt 0:00:15]} Kf7 {[%emt 0:00:04]} 35. Ke3 {[%emt 0:00:04]} e5 {[%emt 0:00:04]} 36. g3 {[%emt 0:00:09]} Ke6 {[%emt 0:00:32]} 37. Bf8 {[%emt 0:03:09]} h5 {[%emt 0:00:34]} 38. h4 {[%emt 0:00:06]} Kf5 {[%emt 0:00:25]} 39. Be7 {[%emt 0:00:27] The position is equal.} Ke6 {[%emt 0:00:36]} 40. Bd8 {[%emt 0:00:05]} gxh4 {[%emt 0:00:07]} 41. gxh4 {[%emt 0:00:05]} Kf5 {[%emt 0:00:08]} 42. Be7 {[%emt 0:00:13]} Ke6 {[%emt 0:00:14]} 43. Bd8 {[%emt 0:00:05]} Kf5 {[%emt 0:00:02]} 44. Be7 {[%emt 0:00:04]} Ke6 {[%emt 0:00:02] Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.5"]
[White "Saravana, Krishnan P."]
[Black "Deepan Chakkravarthy J."]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2269"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,99,12,25,25,33,20,38,20,33,6,27,0,0,-8,-13,-24,-18,-25,-21,-20,-17,-30,-4,-12,-17,-63,-12,-19,-8,-17,-14,-19,-14,-12,0,-37,0,0,0,0,0,0,4,12,7,0,0,0,0,0,54,35,47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:08:38]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:35]} 3. Bb5 {[%emt 0:03:36]} e6 {[%emt 0:00:06]} 4. O-O {[%emt 0:00:16]} Nge7 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:11]} 6. Nxd4 {[%emt 0:00:06]} Qb6 {[%emt 0:00:03] 6...Ng6 is the hot move.} 7. Nxc6 {[%emt 0:01:15] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} bxc6 {[%emt 0:05:37]} 8. Bd3 {[%emt 0:00:07]} Ng6 {[%emt 0:02:59]} 9. Nc3 {[%emt 0:00:15] [#] White is slightly better.} Bd6 $146 {[%emt 0:09:04]} ({Predecessor:} 9... Be7 10. Na4 Qc7 11. c4 c5 12. f4 Bb7 13. Nc3 O-O 14. Qh5 Qd6 15. Qe2 f5 {1-0 (47) Hou,Y (2658)-Muzychuk,M (2544) Chess.com INT 2020}) 10. Kh1 {[%emt 0:00:14]} e5 {[%emt 0:02:58]} (10... Nf4 {is interesting.} 11. Bc4 Be5 12. g3 Ng6) 11. Ne2 {[%emt 0:10:59]} O-O {[%emt 0:01:38]} 12. Ng3 {[%emt 0:03:52]} Bc5 {[%emt 0:01:04]} 13. Nf5 {[%emt 0:10:19]} d5 {[%emt 0:01:28]} 14. Qh5 {[%emt 0:03:53]} Re8 {[%emt 0:08:15]} (14... Bxf2 $2 15. Nxg7 Qd4 16. Nf5 Bxf5 17. exf5 $18 (17. Qxf5 Be3 $16)) 15. Be3 {[%emt 0:07:06]} Bxf5 {[%emt 0:17:10]} 16. Qxf5 {[%emt 0:03:43]} Re6 {[%emt 0:06:14]} 17. Bxc5 {[%emt 0:12:22]} Qxc5 {[%emt 0:00:09]} 18. g3 {[%emt 0:01:46]} (18. Qf3 $11) 18... Qb6 {[%emt 0:05:40]} (18... Rf6 $15 19. Qg4 Rxf2) 19. Qf3 $11 {[%emt 0:01:49]} Rd8 {[%emt 0:02:22]} 20. Qe3 {[%emt 0:02:12]} Qxe3 {[%emt 0:08:33]} 21. fxe3 {[%emt 0:00:05]} Ne7 {[%emt 0:00:05]} 22. Kg1 {[%emt 0:18:31]} h5 {[%emt 0:06:55]} 23. a4 {[%emt 0:06:05]} Rb8 {[%emt 0:02:37]} 24. b3 {[%emt 0:03:56]} g6 {[%emt 0:00:29]} 25. exd5 {[%emt 0:00:38]} cxd5 {[%emt 0:00:25][%cal Bc6d5,Bd5e4][%mdl 32]} 26. e4 {[%emt 0:00:11]} dxe4 {[%emt 0:06:57]} 27. Bc4 {[%emt 0:00:45]} Rc6 {[%emt 0:00:01]} 28. Bxf7+ {[%emt 0:00:54]} Kg7 {[%emt 0:00:03]} 29. Bc4 {[%emt 0:00:31] [#] Rf7+ is the strong threat.} Nf5 $1 {[%emt 0:00:11]} 30. Bd5 {[%emt 0:04:10][%csl LRc6,LRe4]} (30. Rad1 {looks sharper.} Ne3 31. Rd7+ Kh6 32. Rff7) 30... Rc5 {[%emt 0:02:00]} (30... Rxc2 $11 31. Bxe4 Re2) 31. Bxe4 $14 {[%emt 0:00:38]} Nd6 {[%emt 0:00:03]} 32. Rae1 {[%emt 0:03:09]} (32. Bg2 $14 {should be considered.}) 32... Nxe4 $11 {[%emt 0:00:33] The position is equal.} 33. Rxe4 {[%emt 0:00:05]} Rxc2 {[%emt 0:00:02]} 34. Rxe5 {[%emt 0:01:16]} Rxb3 {[%emt 0:00:04][%mdl 4096] [#] Endgame And now ...Rbb2 would win. KRR-KRR} 35. Re7+ {[%emt 0:00:34]} Kh6 {[%emt 0:00:06]} 36. Rf2 $1 {[%emt 0:00:06]} ({Much weaker is} 36. Rxa7 Rbb2 37. Rf3 Rg2+ 38. Kh1 Rxh2+ 39. Kg1 Rbg2+ 40. Kf1 Ra2 $17) 36... Rxf2 {[%emt 0:01:14]} 37. Kxf2 {[%emt 0:00:05] KR-KR} Rb2+ {[%emt 0:00:01]} 38. Kg1 {[%emt 0:00:40]} Ra2 {[%emt 0:00:35]} 39. Rxa7 {[%emt 0:00:18]} Kg5 {[%emt 0:00:13]} 40. Ra6 {[%emt 0:01:15]} h4 {[%emt 0:00:32]} 41. gxh4+ {[%emt 0:01:16]} Kxh4 {[%emt 0:00:02]} 42. a5 {[%emt 0:00:39]} Kh3 {[%emt 0:01:12]} 43. Ra8 {[%emt 0:00:37]} Rg2+ {[%emt 0:00:15]} 44. Kf1 {[%emt 0:00:05]} Ra2 {[%emt 0:00:03]} 45. Kg1 {[%emt 0:00:39]} Rg2+ {[%emt 0:00:04]} 46. Kf1 {[%emt 0:00:03] Threatening mate with Rh8+.} Ra2 {[%emt 0:00:03]} 47. a6 {[%emt 0:01:23] Strongly threatening a7.} Kxh2 {[%emt 0:00:40]} 48. a7 {[%emt 0:00:06] Rh8+ would kill now.} Kg3 {[%emt 0:00:03]} 49. Rg8 {[%emt 0:00:04]} Rxa7 {[%emt 0:00:04]} 50. Rxg6+ {[%emt 0:00:03] Weighted Error Value: White=0.07 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.6"]
[White "Ajay Karthikeyan"]
[Black "Baghdasaryan, Vahe"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2436"]
[BlackElo "2267"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,88,19,22,20,10,20,13,25,20,22,15,42,24,30,17,27,12,22,6,27,17,47,9,15,0,17,19,17,-7,107,94,115,28,27,29,26,24,29,29,30,0,0,0,25,19,20,18,65,63,68,39,124,58,91,86,143,145,143,135,149,154,292,289,285,270,294,296,291,273,276,280,345,105,133]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:02:47]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:03:34]} 3. Bb5 {[%emt 0:00:10]} d6 {[%emt 0:00:39]} 4. O-O {[%emt 0:00:19]} Bd7 {[%emt 0:00:45]} 5. Re1 {[%emt 0:00:05]} Nf6 {[%emt 0:00:31]} 6. c3 {[%emt 0:00:22]} a6 {[%emt 0:00:08]} 7. Bf1 {[%emt 0:00:06]} Bg4 {[%emt 0:00:07]} 8. h3 {[%emt 0:01:28]} Bxf3 {[%emt 0:04:54]} 9. Qxf3 {[%emt 0:00:12]} e6 {[%emt 0:00:12] The modern move. B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 10. d3 {[%emt 0:00:09]} Be7 {[%emt 0:01:16]} 11. Nd2 {[%emt 0:00:05]} O-O {[%emt 0:05:46] The position is equal.} 12. Qg3 {[%emt 0:00:20]} d5 {[%emt 0:01:02]} 13. e5 {[%emt 0:06:51]} Nd7 {[%emt 0:02:29]} 14. Nf3 {[%emt 0:00:16]} Kh8 {[%emt 0:00:11] [#]} 15. h4 $146 {[%emt 0:02:58]} ({Predecessor:} 15. Bd2 Qc7 16. a3 Rac8 17. d4 Na5 18. Rab1 Nc4 19. Bf4 cxd4 20. cxd4 Qb6 21. Bd3 {1-0 (48) Thompson,B (2324)-Cumming,D (2306) ICCF email 2016}) 15... b5 {[%emt 0:09:18]} 16. Qg4 {[%emt 0:16:26]} Rb8 {[%emt 0:07:37]} 17. g3 {[%emt 0:07:04]} d4 {[%emt 0:07:53]} 18. Qe4 {[%emt 0:07:35]} Qc7 {[%emt 0:03:59]} 19. Bg2 {[%emt 0:00:47][%cal Rc3d4]} dxc3 {[%emt 0:01:04]} 20. bxc3 {[%emt 0:00:04]} b4 {[%emt 0:01:44]} 21. Ng5 {[%emt 0:15:50]} Bxg5 {[%emt 0:04:04]} 22. Bxg5 {[%emt 0:00:04]} Rb6 {[%emt 0:14:17]} (22... Rfc8 $1 $11 {remains equal.}) 23. d4 $16 {[%emt 0:14:53]} c4 {[%emt 0:13:26]} 24. d5 {[%emt 0:04:39] White is more active.} (24. Rec1 $16) 24... exd5 $11 {[%emt 0:02:59]} 25. Qxd5 {[%emt 0:00:30] Strongly threatening Be3.} Ncxe5 {[%emt 0:00:30]} 26. Be7 {[%emt 0:00:30][%csl LRb4,LRf8] A strong pair of Bishops.} Re8 {[%emt 0:00:30]} 27. Bxb4 {[%emt 0:00:30] Black must now prevent Ba5.} Rbe6 {[%emt 0:00:30]} 28. Rf1 {[%emt 0:00:30]} Nd3 {[%emt 0:00:30]} 29. Ba5 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} (29... Qc8 $5 {[%cal Re6e5]} 30. Bh3 R6e7 $14) 30. Bxb6 {[%emt 0:00:30]} Rxb6 {[%emt 0:00:30]} 31. Rab1 {[%emt 0:00:30] Hoping for Rxb6.} Rxb1 {[%emt 0:00:30]} (31... Rd8 $11 {is more appropriate.} 32. Qa5 Rdb8) 32. Rxb1 $14 {[%emt 0:00:30] Threatens to win with Rb7.} Qa7 {[%emt 0:00:30]} 33. Qf3 {[%emt 0:00:30] aiming for Rb7.} f6 {[%emt 0:00:30] [#]} ({Black should play} 33... Qe7 $14) 34. Bf1 {[%emt 0:00:30]} (34. Qf5 $1 $16) 34... Ne5 {[%emt 0:00:30]} 35. Qd5 $40 {[%emt 0:00:30][%mdl 128] White has strong attack.} Ng4 {[%emt 0:00:30]} (35... Qc7 $142) 36. Qd4 $16 {[%emt 0:00:30]} Qxd4 {[%emt 0:00:30]} 37. cxd4 {[%emt 0:00:30][%mdl 4096] Endgame KRB-KRN} c3 {[%emt 0:00:30]} 38. Rc1 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} (38... g5 $16 39. hxg5 (39. Rxc3 gxh4 40. gxh4 Rd8 $16) (39. Bxa6 gxh4 40. gxh4 Rd8 $18) 39... fxg5 40. Rxc3 Rd8) 39. Bxa6 $18 {[%emt 0:00:30]} Rc7 {[%emt 0:00:30]} 40. Bd3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 41. a4 {[%emt 0:00:30][%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} f5 {[%emt 0:00:30]} 42. a5 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 43. a6 {[%emt 0:00:30]} Nd5 {[%emt 0:00:30] [#]} 44. Ra1 $2 {[%emt 0:00:30]} (44. Rb1 $1 $18 {[%cal Rb1b8]}) 44... Ra7 {[%emt 0:00:30] Weighted Error Value: White=0.19 (very precise) /Black=0.23 (precise)} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.7"]
[White "Jubin Jimmy"]
[Black "Srihari L R"]
[Result "0-1"]
[ECO "E36"]
[WhiteElo "2259"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,78,7,0,0,8,5,0,0,0,0,-17,-16,-164,0,0,0,0,0,-350,-318,-362,-354,-370,-379,-366,-350,-546,-544,-545,-420,-1181,-393,-386,-64,-51,0,-103,-102,-124,-80,-110,0,0,0,0,0,0,42,-180,-174,-430,-304,-1545,-893,-1406,-433,-728,-748,-1484,-685,-686,-657,-782,-779,-859,-846,-780,-777]} 1. d4 {[%emt 0:05:20]} Nf6 {[%emt 0:00:24]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:06]} Bb4 {[%emt 0:00:08]} 4. Qc2 {[%emt 0:00:05]} O-O {[%emt 0:00:08]} 5. a3 {[%emt 0:00:07]} Bxc3+ {[%emt 0:00:06]} 6. Qxc3 {[%emt 0:00:04]} d5 {[%emt 0:00:10]} 7. Bg5 {[%emt 0:00:04]} c5 {[%emt 0:00:40] E36: Nimzo-Indian: Classical: 4...d5 5 a3.} 8. dxc5 {[%emt 0:03:57] Threatening Bxf6.} d4 {[%emt 0:00:24]} 9. Qg3 {[%emt 0:00:11] 9.Qf3 is the modern continuation.} Nbd7 {[%emt 0:00:10] The position is equal.} 10. Nf3 {[%emt 0:07:35]} e5 $1 {[%emt 0:00:49]} 11. Nxe5 {[%emt 0:14:37]} Nxc5 {[%emt 0:00:47][%cal Oh7h6] [#]} 12. O-O-O $146 {[%emt 0:01:09]} (12. Qf3 $11) ({Predecessor:} 12. Nd3 Nce4 13. Bxf6 Nxf6 14. e3 Re8 15. O-O-O dxe3 16. fxe3 Bg4 17. Rd2 Qb6 18. Be2 Bxe2 19. Rxe2 {½-½ (75) Georgiev,K (2669)-Kosintseva,N (2552) Caleta 2011}) 12... Re8 $2 {[%emt 0:00:25]} (12... Bf5 $1 $19 13. b4 (13. Bh6 $2 Nh5 $19) 13... Nce4) 13. Qf4 $11 {[%emt 0:06:09]} (13. Bh6 $2 Nh5 14. Qg5 Qxg5+ 15. Bxg5 Rxe5 $19) 13... Qa5 {[%emt 0:29:52]} 14. Bxf6 {[%emt 0:03:56]} gxf6 {[%emt 0:03:51]} 15. Nf3 {[%emt 0:12:25][%mdl 8192]} (15. Qxf6 $2 Rxe5 $1 {[%mdl 512]} 16. g4 Nb3+ 17. Kc2 Re6 $19) (15. Nd3 $11) 15... Re4 $1 $19 {[%emt 0:03:36]} 16. Qxf6 {[%emt 0:10:10] [#]} Bf5 $1 {[%emt 0:02:39][%mdl 512]} 17. Rd3 {[%emt 0:07:59][%cal Oc1b1] Against Nb3+} (17. Ng5 $2 Nb3+ 18. Kb1 Rxe2+ 19. Qxf5 Qxf5+ $19) (17. Nd2 Re6) 17... Bg6 {[%emt 0:07:14] aiming for ...Rae8. Active counter play!} 18. Kb1 {[%emt 0:10:00]} Qa4 {[%emt 0:05:28]} 19. Qg5 {[%emt 0:01:31]} (19. Nxd4 $142 Nxd3 20. exd3 Qd1+ 21. Ka2) 19... Rc8 $1 {[%emt 0:01:56]} 20. h4 {[%emt 0:03:24]} h5 {[%emt 0:00:29]} 21. Ne5 {[%emt 0:00:56]} (21. g4 $142 Rxg4 22. Qd2) 21... Nxd3 $2 {[%emt 0:00:22]} (21... Rxe5 22. Qxe5 Qxc4) 22. exd3 {[%emt 0:01:23] [#]} Re1+ {[%emt 0:01:14]} (22... Rxe5 $1 $19 {[%mdl 512]} 23. Qxe5 Re8 24. Qxd4 Re1+ 25. Ka2 Qc2) 23. Ka2 $15 {[%emt 0:00:02]} Kg7 {[%emt 0:05:15]} (23... Qa5 $15 24. f4 Rc6 $1 25. Nxc6 Qxg5 26. hxg5 bxc6) 24. Nf3 {[%emt 0:02:51]} (24. Nxg6 $11 {was the only way to keep the balance.} fxg6 25. Qd5) 24... Rd1 {[%emt 0:04:13] The board is on fire.} 25. Nxd4 {[%emt 0:03:15] Nf5+ is the strong threat.} Qd7 {[%emt 0:01:07] Inhibits Nf5+.} 26. Nb5 {[%emt 0:02:42]} Re8 {[%emt 0:00:30]} (26... f6 $17 27. Qg3 Re8) 27. Nc3 $11 {[%emt 0:00:30]} ({Don't go for} 27. Nxa7 $2 Ree1 28. Nb5 Ra1+ 29. Kb3 Rxf1 $19) 27... Rde1 {[%emt 0:00:30]} ({But not} 27... f6 28. Qf4 Rde1 29. Nd5 $11) 28. Nd5 {[%emt 0:00:30] Black must now prevent Qf6+.} Qf5 $36 {[%emt 0:00:30][%mdl 2048] Inhibits Qf6+. Threatens to win with ...Qxg5. White is under pressure.} 29. Qd2 {[%emt 0:00:30]} b5 {[%emt 0:00:30] Strongly threatening ...bxc4.} 30. Qc3+ {[%emt 0:00:30]} (30. Nc7 $1 $14 {is the one way to stay ahead.}) 30... Qe5 $19 {[%emt 0:00:30]} ({Not} 30... f6 31. g4 Qe5 32. gxh5 Qxc3 33. Nxc3 $17) 31. d4 $2 {[%emt 0:00:30]} (31. Nc7 {was worth a try.} Re7 32. Nxb5) 31... Qf5 {[%emt 0:00:30] ( -> ...Qb1+)} 32. Ne3 $2 {[%emt 0:00:30]} (32. Bd3 Qxd3 33. Rxe1 Rxe1 34. Qxe1 Qxc4+ 35. Ka1 Qxd5 36. Qe5+ Qxe5 37. dxe5) 32... Qb1+ {[%emt 0:00:30] Black is clearly winning.} 33. Kb3 {[%emt 0:00:30] [#]} bxc4+ {[%emt 0:00:30]} (33... R1xe3 $142 $1 {[%mdl 512]} 34. Qxe3 bxc4+ 35. Bxc4 Rxe3+ 36. fxe3 Qxh1) 34. Kb4 {[%emt 0:00:30]} (34. Ka4 $142 R8xe3 35. fxe3) 34... Rb8+ {[%emt 0:00:30][%cal Be8b8,Bb8b2,Bb2f2,Bf2f1][%mdl 96] Skewer} 35. Kc5 {[%emt 0:00:30] [#]} Qxb2 {[%emt 0:00:30]} 36. Qxb2 {[%emt 0:00:30]} Rxb2 {[%emt 0:00:30]} 37. Nxc4 {[%emt 0:00:30]} Rxf2 {[%emt 0:00:30]} 38. d5 {[%emt 0:00:30]} Rexf1 {[%emt 0:00:30]} 39. Rxf1 {[%emt 0:00:30]} Rxf1 {[%emt 0:00:30] Weighted Error Value: White=1.28/Black=0.59} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.8"]
[White "Stupak, Kirill"]
[Black "Pawar, Harshit"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2440"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,127,23,23,10,7,19,23,20,18,7,9,0,0,0,0,0,31,0,0,-25,-33,-43,-15,-37,-14,-42,-56,-67,-71,-70,-78,-83,-86,-92,-79,-88,0,0,0,-114,-89,-85,-75,-84,0,-117,-118,-113,-99,-91,-94,-100,-93,-72,-53,-47,-77,-84,-10,-10,-22,-24,-24,-44,6,0,22,13,40,-18,68,63,126,8,56,0,0,0,145,56,418,144,114,53,62,62,153,148,206,213,229,213,321,312,264,301,400,399,363,384,1166,1168,1100,1112,29994,576,599,531,463,237,542,560,972,961,953,931,837,759]} 1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 e5 5. dxe5 dxe5 6. Nf3 Nc6 {[%cal Oc5c4]} 7. O-O {B07: Pirc Defence: Miscellaneous Systems.} a6 8. a4 Be7 9. Qe2 {White has an edge.} Qc7 10. h3 O-O 11. Bg5 Nh5 12. Be3 Be6 13. Nbd2 Rad8 {[#]} 14. Rfd1 $146 ({Predecessor:} 14. Bc4 Bxc4 15. Nxc4 h6 16. a5 Nf4 17. Bxf4 exf4 18. Nb6 Bd6 19. Rfd1 Qe7 20. Nd2 {0-1 (42) Smirnov,P (2422)-Landa,K (2542) Tomsk 1999}) 14... Na5 15. Bc2 g6 16. Nh2 Rd7 (16... Kg7 {looks sharper.} 17. Nhf3 Rfe8 18. Ng5 Bxg5 19. Bxg5 Nf4) 17. Ng4 Rfd8 18. Nh6+ Kh8 19. Qf3 Nf4 20. Ng4 {[%cal Oh3h4]} f6 21. Nh2 Kg7 22. Nhf1 Nd3 23. b3 Nb2 (23... Nf4 $17) 24. Rdb1 $11 Nd3 25. h4 (25. Rd1 $1 $11) 25... h5 {White must now prevent ...Bg4.} 26. g3 Bg4 27. Qh1 {[#]} Be6 (27... Nf4 $1 $17 {Hoping for ...Ne2+.} 28. f3 (28. gxf4 exf4 29. Nc4 Nxc4 $17) 28... Nh3+ 29. Kh2 Be6) 28. f3 (28. Qf3 $11) 28... c4 29. b4 {Against Bc5} Nb3 30. Nxb3 cxb3 31. Bxb3 Bxb3 32. Rxb3 Qc4 33. Nd2 Qe6 {[%cal Od3f4]} 34. Qh2 {[#]} a5 (34... f5 $1 $17 {[%cal Of5f4] And now ...f4! would win.} 35. exf5 gxf5) 35. bxa5 Bc5 {Prevents Rb6.} 36. Bxc5 Nxc5 37. Rb2 Nd3 (37... Rd3 $15) 38. Rc2 Qc6 39. Nf1 $1 Nc5 40. Ne3 (40. Qe2 $14) 40... Rd3 (40... f5 $11) 41. Qf2 $14 Nb3 (41... Qc7 $14) 42. Re1 ({Only move:} 42. Rb1 $16 Nc5 43. Nd5) 42... Qxa4 (42... Rxc3 $11 {is more appropriate.} 43. Rxc3 Qxc3) 43. Ra2 ({White should play} 43. Nd5 $14) 43... Qc6 $11 44. Nd5 Qc4 (44... R8xd5 $11 45. exd5 Qxc3) 45. Qb6 (45. Rb1 $16) 45... Rf8 $2 {[%mdl 8192]} (45... Qc5+ $14 46. Kg2 Qxb6 47. axb6 Rd7) 46. Rf2 $2 (46. Qxb7+ $18 {and the rest is easy.} Rf7 47. Qb4 Qxb4 48. cxb4) 46... Rf7 $16 {[#]} 47. Qb4 {Prevents Qa4. White is more active.} (47. Kg2 $1 $16) 47... Qxb4 $14 48. cxb4 f5 {Black is now going downhill.} (48... Nd4 $14 49. Kg2 Rb3) 49. Re3 $36 {[%mdl 2048] Keeping Black busy.} fxe4 (49... Rxe3 $16 {keeps fighting.} 50. Nxe3 Nd4) 50. fxe4 $18 Rd1+ 51. Kg2 Rxf2+ (51... Rd2 $142 52. Rxd2 Nxd2) 52. Kxf2 {[%mdl 4096] Endgame KRN-KRN} Nd4 53. Rc3 {Threatens to win with Rc7+.} Rd2+ 54. Ke3 Rg2 55. Rc7+ Kh8 $2 (55... Kh6 56. Rxb7 Rxg3+ 57. Kd2 g5) 56. Rxb7 {White threatens Nf6 and mate.} Rxg3+ 57. Kd2 {Threatening mate with Nf6.} Ra3 58. Nc7 (58. Nf6 $142 Nf3+ 59. Kc1 Ng5 60. hxg5 Rc3+ 61. Kd2 Rc2+ 62. Kxc2 h4 63. Rh7#) 58... Nb3+ 59. Ke2 {aiming for a6.} Nd4+ 60. Kd1 Ra1+ $2 (60... g5 {is more resistant.}) 61. Kd2 {White is clearly winning.} Nb3+ 62. Kc2 Nxa5 63. Ra7 Ra2+ 64. Kb1 {[%emt 0:32:00] Weighted Error Value: White=0.46/Black=0.56} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.9"]
[White "Srijit Paul"]
[Black "Daakshin Arun"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2399"]
[BlackElo "2016"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,48,11,36,20,22,5,21,0,7,-19,-45,-63,0,-21,-23,-97,-97,-190,-116,-196,-143,-177,-178,-174,-172,-172,-171,-175,-173,-237,-231,-645,-612,-29987,-29988,-29988,-29989,-29997,-29998]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:00]} a6 {[%emt 0:00:03]} 6. h3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:30]} 7. g4 {[%emt 0:00:00] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} g6 {[%emt 0:00:20]} 8. Bg2 {[%emt 0:00:00]} Nxd4 {[%emt 0:01:32]} 9. Qxd4 {[%emt 0:00:00] The position is equal.} Bg7 $1 {[%emt 0:00:28]} 10. g5 {[%emt 0:00:00]} Nh5 {[%emt 0:00:58]} 11. Qd3 {[%emt 0:00:00]} Be6 {[%emt 0:05:12]} (11... Bd7 $15) 12. Bf3 {[%emt 0:00:00] [#]} Rc8 $146 {[%emt 0:03:57]} ({Predecessor:} 12... b5 13. Bxh5 gxh5 14. Be3 Bc4 15. Qd2 Rc8 16. Bd4 Bxd4 17. Qxd4 e5 18. Qd2 b4 {0-1 (42) Aharon,O (2118)-Schiendorfer,E (2240) Vung Tau 2008}) 13. Bd2 {[%emt 0:00:00]} (13. Nd5 $11 {remains equal.}) 13... Qb6 $1 $36 {[%emt 0:03:32][%mdl 2048] White is under strong pressure.} 14. Bxh5 {[%emt 0:00:00]} (14. Nd1 $17 {is a better defense.}) 14... gxh5 {[%emt 0:09:06]} (14... Qxb2 $19 15. Rb1 Rxc3 $1 16. Rxb2 Rxd3 17. cxd3 Bxb2) 15. Na4 {[%emt 0:00:00] [#]} (15. Rb1 $17 {was necessary.}) 15... Qc6 {[%emt 0:00:48]} (15... Qb5 $1 $19 {[%cal Rb5a4]} 16. Qxb5+ axb5) 16. Bc3 {[%emt 0:00:00]} Qxa4 {[%emt 0:06:07]} 17. Bxg7 {[%emt 0:00:00]} Rg8 {[%emt 0:00:29][%cal Bh8g8,Bg8g5,Bg5g2][%mdl 32]} 18. Bc3 {[%emt 0:00:00]} Rxg5 {[%emt 0:02:40]} 19. a3 {[%emt 0:00:00]} d5 {[%emt 0:07:28]} 20. f3 {[%emt 0:00:00]} (20. O-O-O {was worth a try.}) 20... Rg2 $19 {[%emt 0:07:49] ...d4 is the strong threat.} 21. O-O-O $2 {[%emt 0:00:00]} (21. Rd1) 21... d4 $1 {[%emt 0:01:28] Hoping for ...Rxc3.} 22. Bxd4 {[%emt 0:00:00]} Rcxc2+ {[%emt 0:00:07] Black mates.} 23. Kb1 {[%emt 0:00:00]} Bc4 {[%emt 0:00:27]} 24. Qe3 {[%emt 0:00:00] [#]} Rxb2+ $3 {[%emt 0:00:03][%mdl 512] Weighted Error Value: White=0.97/Black=0.10 (very precise)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.10"]
[White "Nguyen, Duc Hoa"]
[Black "Arpith S Bijoy"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2398"]
[BlackElo "1713"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,45,36,36,72,44,111,110,114,115,109,115,166,161,200,194,222,206,211,208,381,365,431,445,441,398,425,416]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:16]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:43]} 4. g3 {[%emt 0:00:16]} c5 {[%emt 0:00:25]} 5. cxd5 {[%emt 0:00:13]} exd5 {[%emt 0:00:23]} 6. Bg2 {[%emt 0:00:26]} Nc6 {[%emt 0:01:24]} 7. O-O {[%emt 0:00:33]} Be7 {[%emt 0:00:21]} 8. dxc5 {[%emt 0:03:34]} Bxc5 {[%emt 0:00:38]} 9. a3 {[%emt 0:00:46]} a5 {[%emt 0:02:09]} 10. Nc3 {[%emt 0:00:30]} O-O {[%emt 0:01:36]} 11. Bg5 {[%emt 0:00:50]} Be6 {[%emt 0:23:12] E06: Closed Catalan: Early deviations.} 12. Rc1 {[%emt 0:00:59] [#]} h6 $146 {[%emt 0:04:15]} ({Black should play} 12... Ba7 $14) ({Predecessor:} 12... Ba7 13. Nb5 h6 14. Nxa7 Rxa7 15. Be3 Ra8 16. Nd4 Nxd4 17. Qxd4 Rc8 18. Rxc8 Qxc8 19. Bxh6 {1-0 (29) Garcia Garcia,A (2247)-Zaichenko,D (2104) Chess.com INT 2021}) 13. Bxf6 $16 {[%emt 0:03:20]} Qxf6 {[%emt 0:00:36] White is better.} 14. Nxd5 {[%emt 0:00:26]} Bxd5 {[%emt 0:00:08]} 15. Qxd5 {[%emt 0:01:04]} Bb6 {[%emt 0:03:35] [#]} (15... b6 $16) 16. e3 $1 $18 {[%emt 0:00:53]} Ba7 {[%emt 0:31:28]} 17. Qb5 {[%emt 0:00:42]} Qe7 {[%emt 0:00:17]} 18. Nh4 {[%emt 0:03:23][%cal Bf3h4,Bh4f5,Bf5e3][%mdl 32]} Ne5 {[%emt 0:03:37]} 19. Rfd1 {[%emt 0:00:22]} ({Don't take} 19. Bxb7 $6 Rab8 $16) (19. Qxb7 $6 Qxb7 20. Bxb7 Rab8) 19... Ng4 $2 {[%emt 0:07:48] [#]} (19... g6 {was necessary.} 20. h3 (20. Bxb7 Rab8 $15) (20. Qxb7 Qxb7 21. Bxb7 Rab8 $18) 20... a4) 20. Nf5 {[%emt 0:00:33]} Qe5 {[%emt 0:05:11]} 21. Rd5 {[%emt 0:01:15]} Qe6 {[%emt 0:01:55]} 22. Bf3 {[%emt 0:05:13]} Nxe3 {[%emt 0:03:17]} 23. Nxe3 {[%emt 0:00:12] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.00 (flawless) /Black=0.46} ({Weaker is} 23. Re5 Nxf5 24. Rxe6 Nd4 $18) 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.11"]
[White "Prasannaa.s"]
[Black "Harsh Suresh"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2164"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,113,44,93,41,67,22,29,0,0,0,0,0,0,0,9,-30,0,-32,0,0,0,-10,0,0,0,0,106,112,118,114,113,106,102,110,90,71,78,71,174,165,564,172,170,71,68,94,164,143,175,178,181,192,176,197,194,186,212,181,310,304,277,270,341,300,395,374,452,426,622,622,627,560,1341,1085,1112,1491,1578,1416,1300,1204,1006,933,1562,1093,1501,1375,29977,29978,29978,29979,29979,29980,29980,29981,29978,29981,29980,29981,29982,29984,29984,29983]} 1. e4 {[%emt 0:02:14]} g6 {[%emt 0:00:01]} 2. d4 {[%emt 0:00:26]} Bg7 {[%emt 0:00:02]} 3. c4 {[%emt 0:01:59]} d6 {[%emt 0:02:00]} 4. Nc3 {[%emt 0:00:06]} e5 {[%emt 0:08:44]} 5. dxe5 {[%emt 0:03:38]} dxe5 {[%emt 0:00:20]} 6. Qxd8+ {[%emt 0:00:12]} Kxd8 {[%emt 0:00:02]} 7. Nf3 {[%emt 0:01:31][%cal Bg1f3,Bf3d2,Bd2b3][%mdl 32]} c6 {[%emt 0:07:07]} (7... Nc6 $14 {might be stronger.}) 8. c5 {[%emt 0:05:59] A41: 1 d4 d6: Tartakower System and Modern Defence.} (8. b4 $16) 8... Nd7 {[%emt 0:09:59]} 9. Be3 {[%emt 0:01:19] [#]} f6 $146 {[%emt 0:05:12]} (9... Ke7 {feels hotter.} 10. Bc4 f6 11. g4 Nf8) ({Predecessor:} 9... Bh6 10. O-O-O Ke7 11. b4 Bxe3+ 12. fxe3 Ngf6 13. Bc4 Ne8 14. Rhf1 f6 15. Nd2 Nf8 {½-½ (26) Mukashev,A (2125)-Bogachkov,I (2324) Moscow 2009}) 10. Nd2 {[%emt 0:04:24] White has an edge.} Bh6 {[%emt 0:03:12]} 11. Nb3 {[%emt 0:01:45]} Bxe3 {[%emt 0:03:00]} 12. fxe3 {[%emt 0:00:02]} Nh6 {[%emt 0:00:11]} 13. Bc4 {[%emt 0:01:41]} Ke7 {[%emt 0:02:13]} 14. Ke2 {[%emt 0:01:23]} Nf8 {[%emt 0:11:45]} 15. h3 {[%emt 0:03:02]} b5 {[%emt 0:15:18]} (15... Ne6 {with more complications.} 16. Rhf1 b6 17. cxb6 axb6 18. a4 Nf7) 16. cxb6 {[%emt 0:01:43]} axb6 {[%emt 0:00:02]} 17. a4 {[%emt 0:00:09][%cal Ba2a4,Ba4a5,Ba5b6,Bb6b7][%mdl 32]} Nf7 {[%emt 0:00:06]} 18. Bxf7 {[%emt 0:03:13]} Kxf7 {[%emt 0:00:01]} 19. a5 {[%emt 0:00:39]} Be6 {[%emt 0:00:37] [#]} (19... bxa5 $11 20. Nxa5 (20. Rxa5 Rxa5 21. Nxa5 Ne6 $15) 20... Ne6) 20. axb6 $1 $16 {[%emt 0:02:55]} Rxa1 {[%emt 0:00:03]} 21. Rxa1 {[%emt 0:06:07]} (21. Nxa1 Nd7 $15) 21... Bxb3 {[%emt 0:16:58]} 22. Ra7+ {[%emt 0:00:50]} Nd7 {[%emt 0:00:29]} 23. Rxd7+ {[%emt 0:00:06][%mdl 4096] Endgame KRB-KRN} Ke6 {[%emt 0:00:01]} 24. Rg7 {[%emt 0:04:04] White is more active.} Rb8 {[%emt 0:04:12]} 25. b7 {[%emt 0:00:06]} h5 {[%emt 0:00:50]} (25... Bc4+ $16 26. Kf3 Ba6) 26. h4 $18 {[%emt 0:04:48]} g5 $2 {[%emt 0:03:01]} (26... Kd6 {is a better chance.} 27. Kf2 (27. Rxg6 Ke7 $14) 27... Ke6) 27. hxg5 $2 {[%emt 0:05:32]} (27. g4 Bc4+ 28. Kf2) 27... fxg5 {[%emt 0:00:03]} 28. Rg6+ {[%emt 0:01:09]} (28. g4 $18 {and White stays clearly on top.}) 28... Kf7 {[%emt 0:01:35]} 29. Rxg5 {[%emt 0:00:09] White leaves nothing to chance now.} Rxb7 {[%emt 0:00:13]} (29... Be6 $16) 30. Rxh5 {[%emt 0:01:20] Strongly threatening Rh7+.} (30. Rxe5 Be6 $16) 30... Bc4+ {[%emt 0:00:06]} 31. Kf3 {[%emt 0:01:28] Threatens to win with Rh7+.} Rxb2 {[%emt 0:00:39]} 32. Rxe5 {[%emt 0:00:03]} Rc2 {[%emt 0:00:14] [#]} 33. Na4 {[%emt 0:01:10]} Be2+ {[%emt 0:02:21] [#]} 34. Kg3 $1 {[%emt 0:01:10]} Kg7 {[%emt 0:00:21]} 35. Rg5+ {[%emt 0:01:00]} Kf7 {[%emt 0:01:15]} (35... Kf6 {was worth a try.} 36. Rf5+ Ke6 37. Nc5+ Ke7) 36. Rc5 {[%emt 0:00:39]} Rd2 {[%emt 0:00:02]} 37. Nc3 {[%emt 0:00:42] And now Rf5+ would win.} ({Don't play} 37. Rxc6 $6 Bf1 38. Kf4 Rxg2 $18) 37... Ba6 {[%emt 0:00:29]} 38. Kf3 {[%emt 0:00:57]} ({Don't do} 38. Rxc6 Bf1 39. Nd5 Bxg2 40. Rc7+ Kf8 $18) 38... Bb7 {[%emt 0:00:08]} 39. Ne2 {[%emt 0:00:46]} Ke6 {[%emt 0:00:07]} 40. e5 {[%emt 0:00:11]} Kd7 {[%emt 0:00:27]} (40... Kf7 $142 41. Nd4 Bc8 42. Nxc6 Bb7) 41. g4 {[%emt 0:01:29]} Kc7 {[%emt 0:00:07]} 42. Nd4 {[%emt 0:03:30]} Kb6 {[%emt 0:00:39] [#]} 43. e6 $1 {[%emt 0:01:10] Black must now prevent e7.} Kxc5 {[%emt 0:01:49]} (43... Rh2 44. e7) 44. e7 {[%emt 0:00:42]} ({Not} 44. Nb3+ Kd6 45. Nxd2 Kxe6 $16) 44... Kb6 {[%emt 0:00:06]} 45. e8=Q {[%emt 0:01:43] Qd8+ is the strong threat.} c5+ {[%emt 0:00:03]} 46. Kf4 {[%emt 0:00:37] Threatening mate with Qb5+.} cxd4 {[%emt 0:00:03] KQ-KRB} 47. Qd8+ {[%emt 0:00:10]} Kb5 {[%emt 0:01:25]} 48. exd4 {[%emt 0:00:32]} Bg2 {[%emt 0:00:51]} 49. Ke3 {[%emt 0:00:29]} Rd1 {[%emt 0:00:05]} 50. Qb8+ {[%emt 0:00:25] White mates.} Kc4 {[%emt 0:00:47]} 51. Qc7+ {[%emt 0:00:29]} Kb3 {[%emt 0:00:17]} 52. Qb6+ {[%emt 0:00:19]} Kc3 {[%emt 0:00:21]} 53. Qc5+ {[%emt 0:00:32]} Kb3 {[%emt 0:00:03]} 54. Qb5+ {[%emt 0:00:07]} Kc3 {[%emt 0:00:25]} 55. Qe2 {[%emt 0:01:09][%csl LRd1,LRg2]} Rxd4 {[%emt 0:00:32]} 56. Qxg2 {[%emt 0:00:34]} Rd3+ {[%emt 0:00:05]} 57. Ke4 {[%emt 0:00:07] Weighted Error Value: White=0.25 (precise) /Black=0.55} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.12"]
[White "Chaithanyaa, K G"]
[Black "Hari Madhavan N B"]
[Result "0-1"]
[ECO "B31"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,62,19,9,25,14,38,41,33,1,0,5,86,93,213,216,191,-192,-184,-168,-172,-227,-220,-255,-262,-262,-256,-236,-256,-344,-345,-339,-324,-383,-282,-518,-515,-510,-483,-507,-437,-664,-559]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:43]} g6 {[%emt 0:00:40]} 4. O-O {[%emt 0:01:14]} Bg7 {[%emt 0:00:06]} 5. Re1 {[%emt 0:00:14]} Nf6 {[%emt 0:00:38][%cal Bg8f6,Bf6d5,Bd5c7,Bc7e6][%mdl 32]} 6. e5 {[%emt 0:01:04]} Nd5 {[%emt 0:00:17]} 7. Nc3 {[%emt 1:30:28]} Nc7 {[%emt 0:00:36]} 8. Bxc6 {[%emt 0:00:06]} dxc6 {[%emt 0:00:03]} 9. Ne4 {[%emt 0:02:33]} Ne6 {[%emt 0:00:22]} 10. d3 {[%emt 0:01:12]} O-O {[%emt 0:00:30]} 11. Be3 {[%emt 0:01:48]} b6 {[%emt 0:00:16]} 12. Qd2 {[%emt 0:02:59]} Re8 {[%emt 0:01:35] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 13. a4 $1 {[%emt 0:11:23]} Nd4 {[%emt 0:04:52] [#]} 14. Bxd4 $146 {[%emt 0:10:24]} ({Predecessor:} 14. Nxd4 cxd4 15. Bf4 Bf5 16. Ng3 Qd7 17. b3 c5 18. Re2 Be6 19. Rae1 Bd5 20. Bh6 {½-½ (113) Jacobson,B (2491)-Klukin,K (2330) Lichess.org INT 2021}) 14... cxd4 {[%emt 0:00:50] White is slightly better.} 15. Qf4 {[%emt 0:00:37]} Qd5 {[%emt 0:16:40]} 16. a5 {[%emt 0:17:35] Strongly threatening axb6.} Bd7 {[%emt 0:19:41] [#]} (16... c5 $11) 17. Neg5 $1 $16 {[%emt 0:13:50] White is more active.} h6 {[%emt 0:00:55]} (17... Rf8 $16 {was necessary.}) 18. e6 $1 $18 {[%emt 0:06:23]} Bxe6 {[%emt 0:00:23]} 19. Rxe6 $4 {[%emt 0:00:56][%mdl 8192]} hxg5 $19 {[%emt 0:00:20]} 20. Nxg5 {[%emt 0:00:01]} f6 {[%emt 0:03:13]} (20... fxe6 $2 21. Qf7+ Kh8 22. Qxg6 $18) 21. Qe4 {[%emt 0:05:55]} (21. Qg4 {might work better.} Qxg5 22. Qxg5 fxg5 23. Rxg6) 21... Qxg5 {[%emt 0:01:01]} 22. Rxe7 {[%emt 0:00:44]} Rxe7 {[%emt 0:00:06]} 23. Qxe7 {[%emt 0:00:01]} bxa5 {[%emt 0:00:51]} 24. Qe6+ {[%emt 0:00:21]} Kh7 {[%emt 0:00:06]} 25. Qxc6 {[%emt 0:00:04]} Rb8 {[%emt 0:00:04]} 26. b3 {[%emt 0:00:45]} Rb5 {[%emt 0:00:23]} 27. h4 {[%emt 0:02:41]} Qd5 {[%emt 0:01:41]} 28. Qa6 {[%emt 0:02:01] [#]} (28. Qxd5 Rxd5 29. Ra4) 28... Rc5 {[%emt 0:00:17] Black is clearly winning.} 29. Qxa7 {[%emt 0:00:51]} Rxc2 {[%emt 0:00:06]} 30. Re1 {[%emt 0:02:01]} Qc5 {[%emt 0:00:55]} 31. Qa6 {[%emt 0:03:21]} (31. Qd7 $142 Rc1 32. Rxc1 Qxc1+ 33. Kh2) 31... Qf5 {[%emt 0:00:12] Weighted Error Value: White=0.57/Black=0.31} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.13"]
[White "Gusain, Himal"]
[Black "Daksh Goyal"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2396"]
[BlackElo "1795"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,99,0,-9,-13,0,0,0,-16,-6,-6,-7,-11,16,18,16,8,18,27,27,20,45,-29,-29,-47,0,-61,47,39,76,73,69,72,89,89,148,65,67,73,70,70,154,147,164,159,255,254,276,266,227,233,268,232,337,316,294,86,87,87,101,106,103,85,139,133,190,197,200,204,209,190,243,262,341,333,277,277,287,160,160,148,146,156,159,147,718,716,704,679,645,603,522,416]} 1. d4 {[%emt 0:05:11]} d5 {[%emt 0:01:23]} 2. Bf4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:41]} 3. Nc3 {[%emt 0:00:07]} e6 {[%emt 0:01:30]} 4. Nb5 {[%emt 0:00:27]} Na6 {[%emt 0:00:21]} 5. e3 {[%emt 0:00:09]} Be7 {[%emt 0:03:07]} 6. Nf3 {[%emt 0:00:48] D00: 1 d4 d5: Unusual lines.} Nh5 {[%emt 0:05:49]} 7. Be5 {[%emt 0:00:19]} f6 {[%emt 0:02:47] [#]} 8. g4 $146 {[%emt 0:00:40] The position is equal.} ({Predecessor:} 8. Bg3 O-O 9. c4 c5 10. Nc3 cxd4 11. Nxd4 Nxg3 12. hxg3 Nc7 13. Bd3 f5 14. g4 {1-0 (41) Niemann,H (2645)-Sadhwani,R (2616) Warsaw 2021}) 8... fxe5 {[%emt 0:02:02]} 9. Nxe5 {[%emt 0:00:05]} (9. gxh5 exd4 10. Nbxd4 c5 11. Bxa6 (11. Bb5+ Bd7 $17) 11... Qa5+ 12. Qd2 Qxa6 $17) 9... Nf6 {[%emt 0:16:46] And now ...Nd7 would win.} 10. g5 {[%emt 0:00:05]} Ne4 {[%emt 0:15:12] Threatens to win with ...0-0.} 11. Qh5+ {[%emt 0:00:06]} g6 {[%emt 0:06:42]} 12. Nxg6 {[%emt 0:00:10]} hxg6 {[%emt 0:00:19]} 13. Qxh8+ {[%emt 0:00:03]} Kd7 {[%emt 0:11:35]} 14. Qxd8+ {[%emt 0:06:17]} Kxd8 {[%emt 0:00:21]} 15. Bd3 {[%emt 0:00:07]} (15. h4 $14) 15... Nxg5 $11 {[%emt 0:05:09][%cal Oe6e5]} ({Don't play} 15... Bxg5 16. Bxe4 dxe4 17. Rg1 $16) 16. Bxg6 {[%emt 0:00:05]} e5 {[%emt 0:03:05]} (16... c6 $15 17. Nc3 e5 18. dxe5 Nf3+ 19. Ke2 Nxe5) 17. O-O-O {[%emt 0:01:23]} ({Better is} 17. dxe5 $11 Nf3+ 18. Ke2 Nxe5 19. Rag1) 17... e4 {[%emt 0:02:24]} ({Black should try} 17... c6 $15 18. Nc3 Nh3) 18. h4 $14 {[%emt 0:00:10]} Nh3 {[%emt 0:02:24]} 19. Rh2 {[%emt 0:03:30]} c6 {[%emt 0:04:47]} 20. Nc3 {[%emt 0:00:05]} Bd6 {[%emt 0:01:26]} 21. Rg2 {[%emt 0:00:06][%cal Og6f5] aiming for Bf5!} Ke7 {[%emt 0:00:47]} (21... Nc7 $142) 22. Rf1 {[%emt 0:00:29]} (22. Bh5 $1 $16) 22... Be6 {[%emt 0:03:49]} 23. f4 {[%emt 0:00:30]} exf3 {[%emt 0:03:56]} 24. Rxf3 {[%emt 0:00:06] Strongly threatening Bd3.} Rf8 {[%emt 0:03:53]} ({Black should play} 24... Rh8 $14) 25. Bh5 {[%emt 0:03:36]} Rxf3 {[%emt 0:02:02]} 26. Bxf3 {[%emt 0:00:04]} Kf6 {[%emt 0:00:39]} (26... Nc7 $16 27. h5 Kf6) 27. Bg4 {[%emt 0:02:39]} Nc7 {[%emt 0:00:25]} 28. Nd1 {[%emt 0:02:51]} Bxg4 {[%emt 0:00:37]} 29. Rxg4 {[%emt 0:00:05]} Ne6 {[%emt 0:00:26]} 30. Kd2 $1 {[%emt 0:00:58]} Ng7 {[%emt 0:00:27] [#]} (30... b6 {was necessary.} 31. Ke2 c5) 31. Ke2 $1 $18 {[%emt 0:00:48]} Nf5 {[%emt 0:00:37]} 32. Nf2 $2 {[%emt 0:00:41]} (32. Kf3 $18) 32... Nxf2 $16 {[%emt 0:00:29]} 33. Kxf2 {[%emt 0:00:07]} Bf8 {[%emt 0:00:24]} 34. e4 {[%emt 0:01:06]} dxe4 {[%emt 0:00:35]} 35. Rxe4 {[%emt 0:00:06]} Bd6 {[%emt 0:00:26]} (35... Bh6 $142) 36. Kf3 {[%emt 0:02:09]} c5 {[%emt 0:00:35]} (36... Bf8 $16 37. c4 Bd6) 37. d5 $18 {[%emt 0:04:16]} Be5 {[%emt 0:00:29]} 38. c3 {[%emt 0:00:28]} b5 {[%emt 0:00:26]} 39. h5 {[%emt 0:00:53]} Nd6 {[%emt 0:00:36]} (39... a5 $142 40. Rg4 Bd6) 40. Rg4 {[%emt 0:00:11]} Nf7 {[%emt 0:00:31]} 41. Rg6+ {[%emt 0:03:28]} Kf5 {[%emt 0:00:28][%cal Oe5c3]} 42. Ra6 {[%emt 0:02:06]} Bb8 {[%emt 0:00:31]} 43. h6 {[%emt 0:00:33]} (43. Ke3 $18) 43... Bf4 $16 {[%emt 0:00:22]} 44. Rxa7 {[%emt 0:00:27]} Ne5+ {[%emt 0:00:38]} 45. Ke2 {[%emt 0:00:21] Black must now prevent h7.} Bxh6 {[%emt 0:00:10]} 46. Rb7 {[%emt 0:00:36]} Bf8 $2 {[%emt 0:00:46][%mdl 8192] Loses the game.} (46... Ke4 $16 47. Rxb5 (47. d6 Kd5 $16) 47... Kxd5) 47. Rxb5 $18 {[%emt 0:00:08] White is clearly winning.} Ke4 {[%emt 0:00:19]} 48. a4 {[%emt 0:00:17][%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32] Hoping for a5.} Kxd5 {[%emt 0:00:33] [#]} 49. a5 $1 {[%emt 0:00:10]} Nc6 {[%emt 0:01:14]} 50. a6 {Weighted Error Value: White=0.22 (precise) /Black=0.26 (precise)} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.14"]
[White "Rajesh, V A V"]
[Black "Mrithyunjay Mahadevan"]
[Result "1/2-1/2"]
[ECO "D83"]
[WhiteElo "2358"]
[BlackElo "1661"]
[Annotator "TA"]
[PlyCount "192"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,192,31,12,-41,37,35,23,39,17,31,27,30,87,80,82,64,62,74,64,22,21,32,14,25,14,0,0,0,7,0,40,36,37,27,35,35,28,22,27,17,42,27,44,0,13,0,0,-30,-16,-21,0,0,49,0,20,13,52,61,54,25,24,16,22,28,58,36,143,150,137,99,198,184,237,143,195,191,164,85,158,160,290,263,276,275,243,251,326,320,316,307,308,298,295,279,442,411,408,397,463,419,679,703,702,614,687,677,859,783,652,567,630,489,494,486,518,518,518,518,518,518,493,493,463,112,384,133,376,254,518,418,247,223,432,186,930,853,474,406,835,617,1021,1004,966,856,668,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:16]} g6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:04]} d5 {[%emt 0:00:06]} 4. Bf4 {[%emt 0:01:51]} Bg7 {[%emt 0:00:10]} 5. e3 {[%emt 0:00:52]} O-O {[%emt 0:00:14]} 6. Rc1 {[%emt 0:00:59]} c5 {[%emt 0:00:09]} 7. dxc5 {[%emt 0:00:19]} Be6 {[%emt 0:00:10]} 8. Nf3 {[%emt 0:02:20]} Nc6 {[%emt 0:00:11]} 9. Ne5 {[%emt 0:16:37] D83: Grünfeld: 4 Bf4 Bg7 5 e3 0-0.} ({White should try} 9. Be2 $11) 9... Qa5 {[%emt 0:09:01]} (9... Rc8 $15) 10. Nxc6 $14 {[%emt 0:05:02]} bxc6 {[%emt 0:00:15]} 11. Qa4 $1 {[%emt 0:00:28] White has an edge.} Qxc5 {[%emt 0:01:02][%cal Rd5c4]} 12. b4 {[%emt 0:00:24]} Qb6 {[%emt 0:00:52]} 13. c5 {[%emt 0:00:05]} Qb7 {[%emt 0:06:19]} (13... Qd8 $1 $11) 14. Ba6 $16 {[%emt 0:03:11]} Qd7 {[%emt 0:00:12]} 15. Be5 {[%emt 0:15:34] White is more active.} Ng4 {[%emt 0:06:14]} 16. Bxg7 {[%emt 0:00:50]} Kxg7 {[%emt 0:00:07] [#]} 17. Ne2 $146 {[%emt 0:13:08]} ({Predecessor:} 17. h3 Ne5 18. Rd1 Qc7 19. Ne2 Nc4 20. Qc2 Qe5 21. Nd4 Qg5 22. Nxe6+ fxe6 23. O-O {1-0 (32) Ortega,M (2463)-Paiva,D (2230) Tornelo INT 2021}) 17... Qc7 $1 {[%emt 0:01:48]} 18. h3 {[%emt 0:00:31]} Nf6 {[%emt 0:02:44]} 19. Nd4 {[%emt 0:03:44]} Bd7 {[%emt 0:00:15]} 20. O-O {[%emt 0:00:07]} e5 {[%emt 0:05:29]} 21. Nb3 {[%emt 0:01:43]} Rab8 {[%emt 0:04:33]} 22. a3 {[%emt 0:03:26]} Rfd8 {[%emt 0:05:55]} 23. Qa5 {[%emt 0:02:16]} Ne8 {[%emt 0:00:10]} 24. Rfd1 {[%emt 0:01:21]} Be6 {[%emt 0:12:13][%cal Od5d4]} 25. Qxc7 {[%emt 0:00:23]} Nxc7 {[%emt 0:00:12]} 26. Bf1 {[%emt 0:00:10]} Bd7 {[%emt 0:03:33]} 27. Na5 {[%emt 0:00:18]} Be8 {[%emt 0:00:28]} 28. Rb1 {[%emt 0:01:09][%cal Bc1b1,Bb1b3,Bb3d3,Bd3d2][%mdl 32]} g5 {[%emt 0:04:34]} 29. Rb3 {[%emt 0:00:12]} f5 {[%emt 0:00:46]} 30. Rdb1 {[%emt 0:02:26]} Kf6 {[%emt 0:01:07]} 31. Rd1 {[%emt 0:02:11]} (31. a4 $5 {[%cal Rb4b5]}) 31... h6 {[%emt 0:03:54]} 32. Rbd3 {[%emt 0:00:53]} Ke7 {[%emt 0:01:46]} 33. R3d2 {[%emt 0:00:08]} Rdc8 {[%emt 0:02:24]} (33... Kf6 $11) 34. Bd3 {[%emt 0:00:16]} (34. f3 $1 $14) 34... e4 {[%emt 0:00:26]} 35. Bf1 {[%emt 0:01:16]} Nb5 {[%emt 0:01:16]} 36. Bxb5 {[%emt 0:03:15]} Rxb5 {[%emt 0:00:08]} 37. Nb3 {[%emt 0:00:09] Threatening Nd4.} Bd7 {[%emt 0:01:36]} 38. Rf1 {[%emt 0:02:34]} Rbb8 {[%emt 0:01:54]} 39. f3 {[%emt 0:01:21]} Rf8 {[%emt 0:00:19]} 40. Rdf2 {[%emt 0:02:52]} Rf7 {[%emt 0:09:12]} (40... exf3 $14 41. Rxf3 Rf6) 41. fxe4 {[%emt 0:01:46]} dxe4 {[%emt 0:00:08]} 42. Na5 {[%emt 0:00:48]} Rbf8 {[%emt 0:00:50]} (42... Rd8 $16) 43. Rd2 $18 {[%emt 0:00:23]} f4 {[%emt 0:02:10]} (43... Rc8 {might work better.} 44. Rfd1 Rc7) 44. Rd4 {[%emt 0:00:28]} f3 {[%emt 0:02:09]} (44... fxe3 $16 {keeps fighting.} 45. Rxe4+ Kd8 46. Rxf7 Rxf7 47. Rxe3 Kc7) 45. Rxe4+ {[%emt 0:00:19]} Kd8 {[%emt 0:00:04]} 46. Rf2 {[%emt 0:03:47]} (46. g4 $18) 46... Kc7 {[%emt 0:00:39] [#] Prevents Nb7.} ({Better is} 46... fxg2 47. Rxf7 (47. Rxg2 Rf1+ 48. Kh2 R8f3 $11) 47... Rxf7 48. Kxg2 Re7 49. Nb7+ Ke8) 47. Nc4 $1 $16 {[%emt 0:02:16]} h5 {[%emt 0:04:35]} (47... fxg2 $16 48. Rxf7 Rxf7 49. Kxg2 Kd8) 48. Ne5 {[%emt 0:04:46][%csl LRf3,LRf7]} Re7 {[%emt 0:03:09]} 49. Nxd7 {[%emt 0:00:06]} (49. Rxf3 Bf5 $16) (49. gxf3 Bxh3 50. f4 Bf5 $16) 49... Rxd7 {[%emt 0:00:14]} 50. Rxf3 {[%emt 0:00:06]} ({Resist} 50. gxf3 a5 51. Kg2 (51. bxa5 Rf5 $16) 51... a4) 50... Rxf3 {[%emt 0:00:14]} 51. gxf3 $18 {[%emt 0:00:04][%mdl 4096] Endgame KR-KR} Rd3 {[%emt 0:00:06]} 52. a4 {[%emt 0:00:41]} h4 {[%emt 0:00:15]} 53. Re7+ {[%emt 0:01:05]} Kb8 {[%emt 0:00:04]} 54. Re5 {[%emt 0:00:43]} Rd1+ {[%emt 0:00:33]} (54... Kc8 {was necessary.} 55. Kf2 Rb3 56. Rxg5 Rxb4) 55. Kf2 {[%emt 0:00:11]} Rd2+ {[%emt 0:00:05]} 56. Kf1 {[%emt 0:00:08]} Rd1+ {[%emt 0:00:44]} 57. Ke2 {[%emt 0:00:57]} Rh1 {[%emt 0:00:25]} (57... Ra1 $142 58. a5 Kb7 59. Rxg5 Ra2+ 60. Kd3 Ka6) 58. Rxg5 {[%emt 0:00:13]} Rxh3 {[%emt 0:00:16]} 59. Rg8+ {[%emt 0:00:23]} Kb7 {[%emt 0:00:16]} 60. Rg7+ {[%emt 0:00:14]} Kb8 {[%emt 0:00:11]} 61. Rh7 {[%emt 0:01:35]} Rh2+ {[%emt 0:00:19]} 62. Kf1 {[%emt 0:00:58]} h3 {[%emt 0:00:15]} 63. b5 {[%emt 0:00:43]} cxb5 {[%emt 0:00:22]} 64. axb5 {[%emt 0:00:05]} Rc2 {[%emt 0:00:07]} 65. Rxh3 {[%emt 0:03:06]} Rxc5 {[%emt 0:00:04]} 66. Ke2 {[%emt 0:00:26]} Rxb5 {[%emt 0:00:06]} 67. Kd3 {[%emt 0:00:33]} a5 {[%emt 0:00:31]} 68. Kc4 {[%emt 0:01:11] Against Rb3} Rb4+ {[%emt 0:01:08]} 69. Kc3 $2 {[%emt 0:00:05]} (69. Kc5 $18 {and the rest is easy. e4 is the strong threat.} Rb3 70. f4) 69... Rb5 $2 {[%emt 0:00:15][%mdl 8192]} (69... Rb6 $16 {is a better defense.} 70. f4 a4) 70. Rh4 $2 {[%emt 0:00:29]} (70. f4 $18 a4 71. Kc4) 70... Kc7 $2 {[%emt 0:01:17]} (70... Re5 $16 {was called for.}) 71. Rd4 {[%emt 0:00:23] Black must now prevent e4.} Kc6 $2 {[%emt 0:00:26]} (71... Rf5 {was worth a try.} 72. f4 Kb7) 72. f4 {[%emt 0:00:22] Strongly threatening e4.} Rf5 {[%emt 0:00:46]} 73. Kc4 {[%emt 0:01:07] Hoping for Rd8.} Rc5+ $2 {[%emt 0:01:51]} (73... Rf7 74. Re4 Ra7) 74. Kb3 {[%emt 0:00:38]} (74. Kd3 $142 {And now Rc4 would win.} Rf5 75. Rd8) 74... Kb5 $2 {[%emt 0:00:05] Prevents Rc4.} (74... Rf5 75. Kc4 Rf8) 75. e4 {[%emt 0:00:52]} Rh5 {[%emt 0:00:04]} 76. f5 {[%emt 0:00:46]} ({Stronger than} 76. Rd5+ Rxd5 77. exd5 Kc5 $11) 76... Rh3+ {[%emt 0:01:36]} (76... a4+ $142 77. Kc3 a3) 77. Kc2 {[%emt 0:00:05]} Rf3 {[%emt 0:00:45] [#]} 78. Kd2 $1 {[%emt 0:00:43]} a4 {[%emt 0:00:17][%cal Ba5a4,Ba4a3][%mdl 32]} 79. Rd3 {[%emt 0:00:50]} Rf1 {[%emt 0:02:48]} 80. Kc3 $2 {[%emt 0:00:38]} ({Only move:} 80. Ke2 $18 Rf4 81. Ke3) 80... a3 $1 $11 {[%emt 0:02:43] ( -> ...a2). The position is equal.} 81. Kb3 {[%emt 0:00:33]} Re1 {[%emt 0:00:19]} 82. Rd5+ {[%emt 0:00:33]} Kc6 {[%emt 0:00:19]} 83. Re5 {[%emt 0:00:05]} Re3+ {[%emt 0:00:16]} 84. Ka2 {[%emt 0:00:03]} Kd6 {[%emt 0:00:30]} 85. Re6+ {[%emt 0:00:39]} Kd7 {[%emt 0:01:55]} 86. e5 {[%emt 0:00:21]} Rf3 {[%emt 0:00:30]} 87. Rd6+ {[%emt 0:00:36]} Ke8 {[%emt 0:00:10]} 88. f6 {[%emt 0:00:14]} Kf7 $1 {[%emt 0:00:48]} 89. Rd7+ {[%emt 0:01:12]} Ke8 {[%emt 0:00:15]} 90. Re7+ {[%emt 0:00:24]} Kf8 {[%emt 0:00:05]} 91. Rb7 {[%emt 0:00:55] aiming for Rb3.} Re3 {[%emt 0:00:20]} 92. Re7 {[%emt 0:00:21]} Rf3 {[%emt 0:00:10]} 93. Rc7 {[%emt 0:00:37]} Re3 {[%emt 0:00:00]} 94. Rc8+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 95. Rc7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} 96. Re7 {[%emt 0:00:41]} Rf3 {[%emt 0:01:33] Black escapes into a draw.  Weighted Error Value: White=0.14 (very precise) /Black=0.37} 1/2-1/2

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.15"]
[White "John Veny Akkarakaran"]
[Black "Ravichandran, Siddharth"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1855"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,90,56,49,8,25,12,36,19,31,-21,-2,-27,-6,-41,-25,-47,-30,-86,-87,-95,-91,-81,-67,-50,-50,-62,-51,-248,-263,-263,-259,-257,-264,-262,-260,-260,-257,-418,-418,-418,-416,-549,-544,-704,-698,-29952,-29957,-29953,-29954,-29945,-12798,-6921,-6329,-6364,-6381,-29970,-29971,-29973,-29973,-29979,-29980,-29980,-29981,-29982,-29983,-29983,-29983,-29982,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:06:05]} 2. Nf3 {[%emt 0:00:03]} d6 {[%emt 0:00:44]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:07]} 6. Be2 {[%emt 0:00:07]} g6 {[%emt 0:01:10]} 7. Be3 {[%emt 0:07:41]} Bg7 {[%emt 0:08:26]} 8. Qd2 {[%emt 0:00:19]} Nbd7 {[%emt 0:05:43]} 9. h4 {[%emt 0:09:41] B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} h5 {[%emt 0:00:40]} (9... b5 {is more complex.} 10. h5 b4 11. Nd5 Nxe4 12. Qxb4 Rb8) 10. f3 {[%emt 0:07:34]} Ne5 {[%emt 0:18:19]} 11. Bg5 {[%emt 0:09:58] White is slightly better.} Bd7 {[%emt 0:06:11] [#]} 12. Nd5 $146 {[%emt 0:22:12]} (12. O-O-O $14) ({Predecessor:} 12. O-O-O b5 13. Nb3 Be6 14. Kb1 Rc8 15. Nd5 Bxd5 16. exd5 Nc4 17. Bxc4 bxc4 18. Bxf6 Bxf6 {0-1 (27) Johansen,J (2029)-Thjomoe,H (1735) Bornholm 2008}) 12... Nxd5 $11 {[%emt 0:04:49]} 13. exd5 {[%emt 0:00:02]} Rc8 {[%emt 0:01:19]} 14. Be3 {[%emt 0:06:39]} Qc7 {[%emt 0:05:35]} 15. c3 {[%emt 0:01:22]} b5 {[%emt 0:11:13]} 16. Rc1 {[%emt 0:08:15]} (16. O-O $11) 16... Nc4 $17 {[%emt 0:05:10]} 17. Bxc4 {[%emt 0:00:10]} Qxc4 {[%emt 0:00:07]} 18. Nb3 {[%emt 0:02:29][%cal Bd4b3,Bb3a5,Ba5c4][%mdl 32]} a5 {[%emt 0:01:07]} 19. Nxa5 {[%emt 0:05:55]} Qxa2 {[%emt 0:00:20]} 20. b4 {[%emt 0:01:05]} Qa3 {[%emt 0:04:47][%cal Rg7c3]} 21. c4 {[%emt 0:02:29] [#] This move loses the game for White.} (21. O-O $15) 21... bxc4 $1 $19 {[%emt 0:00:16]} 22. Nxc4 {[%emt 0:01:26]} Qb3 {[%emt 0:08:25]} 23. Bd4 {[%emt 0:03:01]} Bxd4 {[%emt 0:00:26]} 24. Qxd4 {[%emt 0:00:14][%cal Rd4h8]} Qxb4+ {[%emt 0:00:24]} 25. Kf2 {[%emt 0:00:57][%cal Rd4h8]} O-O {[%emt 0:00:08]} 26. Qc3 $2 {[%emt 0:05:54]} (26. Ke3) 26... Qxc3 {[%emt 0:03:15]} 27. Rxc3 {[%emt 0:00:01]} Rc5 {[%emt 0:00:09] aiming for ...Rfc8.} 28. Rhc1 {[%emt 0:00:36] [#]} Rfc8 $1 {[%emt 0:00:09]} 29. Ke3 {[%emt 0:00:05]} Bb5 {[%emt 0:03:25]} 30. Kd4 {[%emt 0:00:02]} Rxc4+ {[%emt 0:00:16]} 31. Rxc4 {[%emt 0:00:01]} Rxc4+ {[%emt 0:00:07]} 32. Rxc4 {[%emt 0:00:01]} Bxc4 {[%emt 0:00:06]} 33. Kxc4 {[%emt 0:00:02][%mdl 4096] Endgame KP-KP} Kg7 {[%emt 0:00:13] And now ...Kf6 would win.} 34. Kd4 {[%emt 0:00:04]} Kf6 {[%emt 0:01:37] Hoping for ...g5.} 35. Ke4 {[%emt 0:00:31]} g5 {[%emt 0:00:28] Black mates.} 36. hxg5+ {[%emt 0:00:51]} Kxg5 {[%emt 0:00:06]} 37. g3 {[%emt 0:00:00]} f5+ {[%emt 0:01:44]} 38. Ke3 {[%emt 0:00:08]} f4+ {[%emt 0:00:18]} 39. gxf4+ {[%emt 0:00:22] K3P-K3P} Kf5 {[%emt 0:00:06]} 40. Kf2 {[%emt 0:00:16]} Kxf4 {[%emt 0:00:05]} 41. Kg2 {[%emt 0:00:12]} h4 {[%emt 0:00:27]} 42. Kh3 {[%emt 0:00:04]} Kxf3 {[%emt 0:00:05]} 43. Kxh4 {[%emt 0:00:02]} Ke4 {[%emt 0:00:06]} 44. Kg4 {[%emt 0:00:06]} Kxd5 {[%emt 0:00:04]} 45. Kf5 {[%emt 0:00:03]} e5 {[%emt 0:00:08] Weighted Error Value: White=0.63/Black=0.02 (flawless)} 0-1

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.16"]
[White "Karthikeyan, P.."]
[Black "Gandhi, Aakash"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2361"]
[BlackElo "1698"]
[Annotator "TA"]
[PlyCount "175"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,175,0,0,-24,-14,-50,6,-22,32,32,41,5,7,-26,44,50,45,34,35,11,21,26,17,15,20,18,16,8,8,15,44,41,62,58,77,76,108,60,134,137,138,134,354,100,104,94,107,83,102,32,232,232,232,232,232,232,232,232,231,214,253,246,253,253,253,253,253,253,253,253,349,304,308,253,260,260,253,200,200,200,213,45,370,183,183,183,183,145,145,145,145,0,145,145,183,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,0,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,145,0,145,145,145,145,410,410,410,410,410,410,410,410,12445,8459,12796,7254,7140,6543]} 1. e4 {[%emt 0:02:42]} e6 {[%emt 0:00:32]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:22]} 3. e5 {[%emt 0:00:05]} c5 {[%emt 0:00:24]} 4. c3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:20]} 5. Nf3 {[%emt 0:00:04]} Qb6 {[%emt 0:00:53]} 6. Bd3 {[%emt 0:00:18]} cxd4 {[%emt 0:00:42]} 7. O-O $1 {[%emt 0:00:15][%mdl 4] is recently more successful than 7.cxd4. C02: French: Advance Variation.} Bd7 {[%emt 0:00:44]} 8. Re1 {[%emt 0:00:33]} Nh6 {[%emt 0:02:00]} (8... Rc8 $15) 9. a3 {[%emt 0:08:17] The position is equal.} a6 {[%emt 0:06:37]} (9... Rc8 $11) 10. b4 $14 {[%emt 0:02:22] [#]} Be7 $146 {[%emt 0:01:52]} ({Predecessor:} 10... Rc8 11. Bd2 Be7 12. Ra2 O-O 13. cxd4 Nf5 14. Bc3 Na7 15. a4 Rxc3 16. Nxc3 Bxb4 17. Bxf5 Bxc3 18. Bxh7+ Kxh7 {1-0 (30) Hector,J (2539)-Ask,J (2159) Malmo 2012}) 11. h3 {[%emt 0:08:15]} Rc8 {[%emt 0:01:19]} 12. cxd4 {[%emt 0:07:07]} Nf5 {[%emt 0:04:18]} (12... Nxd4 $11 13. Be3 Nxf3+ 14. Qxf3 Qd8) 13. Bxf5 {[%emt 0:06:35]} exf5 {[%emt 0:00:33]} 14. Nc3 {[%emt 0:04:26]} Be6 {[%emt 0:05:01][%cal Oc6e5]} 15. Ne2 {[%emt 0:05:05]} O-O {[%emt 0:03:22]} 16. Bg5 {[%emt 0:02:40]} Bxg5 {[%emt 0:02:41]} 17. Nxg5 {[%emt 0:00:03]} h6 {[%emt 0:00:17]} 18. Nf3 {[%emt 0:00:26]} a5 {[%emt 0:00:07]} 19. Rb1 {[%emt 0:01:14]} axb4 {[%emt 0:00:11]} 20. axb4 {[%emt 0:00:57]} Na7 {[%emt 0:00:10]} 21. b5 {[%emt 0:01:57]} Rc7 {[%emt 0:07:22]} 22. Qd3 {[%emt 0:12:14]} Rfc8 {[%emt 0:01:48]} 23. Nh4 {[%emt 0:00:06]} g6 {[%emt 0:02:52]} 24. Nf3 {[%emt 0:01:40]} ({Better is} 24. g3 $16) 24... Bd7 {[%emt 0:01:36]} (24... Rc2 $14) 25. Nf4 $16 {[%emt 0:03:10]} Be6 {[%emt 0:00:11]} 26. Qa3 {[%emt 0:03:07][%cal Of4g6] Strongly threatening Nxg6!} Rd7 $2 {[%emt 0:04:18]} (26... Rd8 $16 27. Rec1 Rxc1+ 28. Rxc1 (28. Qxc1 Kg7 $16) 28... Nc8) 27. Nd3 $2 {[%emt 0:00:48]} (27. Ra1 $18) 27... Rc4 {[%emt 0:01:12]} 28. Nc5 $36 {[%emt 0:01:46][%mdl 2048] White has strong initiative.} Rc7 {[%emt 0:00:14]} 29. Qe3 {[%emt 0:09:47]} Kg7 {[%emt 0:02:44]} 30. Nd2 {[%emt 0:01:10] 0x0.00176315182ddp-1022s more active pieces.} (30. Rb2 $16) 30... R4xc5 $2 {[%emt 0:04:32]} (30... Rc2 $14) 31. dxc5 $18 {[%emt 0:01:00]} Rxc5 {[%emt 0:00:07]} 32. Nb3 $1 {[%emt 0:03:46]} Rxb5 {[%emt 0:00:38]} 33. Qxb6 {[%emt 0:00:10]} Rxb6 {[%emt 0:00:12]} 34. Nd4 {[%emt 0:02:19]} Rxb1 {[%emt 0:01:57]} 35. Rxb1 {[%emt 0:00:02][%mdl 4096] Endgame KRN-KBN} Bc8 {[%emt 0:00:15]} 36. Rc1 {[%emt 0:00:17]} Nc6 {[%emt 0:00:42]} 37. Nxc6 {[%emt 0:04:01]} bxc6 {[%emt 0:00:10]} 38. Rxc6 {[%emt 0:00:03] KR-KB} Be6 {[%emt 0:00:17]} 39. f4 {[%emt 0:01:11]} Kf8 {[%emt 0:02:39]} 40. Kf2 {[%emt 0:00:55]} Ke7 {[%emt 0:01:02]} 41. Rc7+ {[%emt 0:00:51]} Kf8 {[%emt 0:00:17]} 42. Ra7 {[%emt 0:02:11]} Kg7 {[%emt 0:00:14]} 43. Ra8 {[%emt 0:00:54]} g5 {[%emt 0:00:43]} 44. fxg5 {[%emt 0:02:07]} hxg5 {[%emt 0:00:19]} 45. g3 {[%emt 0:00:10][%cal Bg2g3,Bg3f4][%mdl 32]} Kh6 {[%emt 0:02:38]} 46. h4 $2 {[%emt 0:00:47]} (46. Rg8 $18) 46... d4 $2 {[%emt 0:04:00][%mdl 8192]} ({Black should try} 46... f4 $1 $14) 47. Rd8 {[%emt 0:00:16]} (47. Rg8 $142) 47... f4 {[%emt 0:00:08] [#]} 48. gxf4 {[%emt 0:04:03]} ({Inferior is} 48. Rxd4 fxg3+ 49. Kxg3 Kg6 $11) 48... gxh4 {[%emt 0:00:27]} 49. Kf3 {[%emt 0:00:10]} Kg6 {[%emt 0:00:09]} 50. Rg8+ {[%emt 0:00:31]} Kh7 {[%emt 0:00:07]} 51. Rd8 {[%emt 0:01:16]} Kg6 {[%emt 0:00:18]} 52. Rxd4 {[%emt 0:00:57]} Kf5 {[%emt 0:00:17]} 53. Rd2 {[%emt 0:00:29]} f6 {[%emt 0:00:12]} 54. exf6 {[%emt 0:00:20]} Kxf6 {[%emt 0:00:09]} 55. Re2 {[%emt 0:00:32]} h3 {[%emt 0:00:20]} 56. Kg3 {[%emt 0:00:17]} Bf5 {[%emt 0:00:05]} 57. Re5 {[%emt 0:00:40]} Kg6 {[%emt 0:00:24]} 58. Ra5 {[%emt 0:00:27]} Kf6 {[%emt 0:00:27]} 59. Ra8 {[%emt 0:00:12]} Kf7 {[%emt 0:00:53]} 60. Rh8 {[%emt 0:00:16]} Kg7 {[%emt 0:00:15]} 61. Rh5 {[%emt 0:00:39]} Kg6 {[%emt 0:00:37]} 62. Rg5+ {[%emt 0:00:37]} Kf6 {[%emt 0:00:11]} 63. Rh5 {[%emt 0:00:33]} Kg6 $1 {[%emt 0:00:11] [#]} 64. Rh4 $1 {[%emt 0:00:13]} Kg7 {[%emt 0:00:25]} 65. Kf3 {[%emt 0:00:12]} Kf6 {[%emt 0:00:18]} 66. Ke3 {[%emt 0:00:04]} Bd7 {[%emt 0:00:12]} 67. Rh6+ {[%emt 0:00:48]} Kg7 {[%emt 0:00:11]} 68. Rd6 {[%emt 0:00:23]} Bg4 {[%emt 0:00:19] ...h2 is the strong threat.} 69. Kf2 {[%emt 0:01:29]} ({Don't take} 69. Rd2 Bf5 70. Kf2 Kf6 71. Rd6+ Be6) 69... Kf7 {[%emt 0:00:18]} 70. Kg3 {[%emt 0:00:31]} Bf5 {[%emt 0:00:43]} 71. Rb6 {[%emt 0:00:05]} Be6 {[%emt 0:00:26]} 72. Rb8 {[%emt 0:01:01]} Kf6 {[%emt 0:00:19]} 73. Rb2 {[%emt 0:00:11]} Kg6 {[%emt 0:00:19]} 74. Kf3 {[%emt 0:01:06]} Bd5+ {[%emt 0:00:14]} 75. Kg4 {[%emt 0:00:04]} Be6+ {[%emt 0:00:14]} 76. Kg3 {[%emt 0:00:15]} Kf6 {[%emt 0:00:10]} 77. Rb8 {[%emt 0:01:07]} Kf7 {[%emt 0:00:35]} 78. Rh8 {[%emt 0:00:36] Rh6 would kill now.} Kg7 {[%emt 0:00:12] Prevents Rh6.} 79. Rh4 {[%emt 0:00:21]} (79. Ra8 $16) 79... Kg6 {[%emt 0:00:21]} (79... Bf5 $1 $11 {remains equal.} 80. Rh5 Kg6) 80. Kf3 $16 {[%emt 0:00:06]} Bd5+ {[%emt 0:00:19]} 81. Ke3 {[%emt 0:00:08]} Bg2 $2 {[%emt 0:00:25][%mdl 8192]} (81... Be6 $16 {is a better defense.} 82. Kf3 Kg7) 82. Kf2 $18 {[%emt 0:00:20]} Kf5 {[%emt 0:00:12]} 83. Kg3 {[%emt 0:00:01]} Bf1 {[%emt 0:00:42]} 84. Rh5+ {[%emt 0:00:05]} Kg6 {[%emt 0:00:10]} 85. Rh8 {[%emt 0:00:26][%cal Of4f5] Threatening mate with f5+!} Kg7 {[%emt 0:00:30]} (85... Kf5 $142 86. Rf8+ Kg6 87. f5+ Kg7) 86. Rh4 {[%emt 0:00:08] White threatens Kg4 and mate. White is clearly winning.} Kg6 {[%emt 0:00:07]} 87. Kg4 {[%emt 0:00:03] Intending f5+ and mate.} Kf6 {[%emt 0:00:26]} 88. Rh6+ {[%emt 0:00:09] Weighted Error Value: White=0.28 (precise) /Black=0.33} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.17"]
[White "Aaryan Varshney"]
[Black "Ashvath Mittal"]
[Result "1-0"]
[ECO "D66"]
[WhiteElo "2308"]
[BlackElo "1419"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 29,87,9,11,9,7,20,14,14,97,97,120,120,120,120,112,113,123,123,123,120,171,82,182,92,149,149,149,139,131,124,269,77,86,87,87,67,67,66,97,100,91,68,67,67,68,58,53,64,53,59,53,65,476,440,619,618,912,888,1099,1053]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:02]} 2. c4 {[%emt 0:00:40]} e6 {[%emt 0:00:26]} 3. Nf3 {[%emt 0:00:05]} d5 {[%emt 0:00:03]} 4. Bg5 {[%emt 0:01:00]} Be7 {[%emt 0:01:02]} 5. Nc3 {[%emt 0:00:17]} O-O {[%emt 0:00:20]} 6. e3 {[%emt 0:00:12]} c6 {[%emt 0:01:28]} 7. Bd3 {[%emt 0:00:15]} dxc4 {[%emt 0:00:34]} 8. Bxc4 {[%emt 0:00:10]} b5 {[%emt 0:00:41]} 9. Bd3 {[%emt 0:00:09]} Nbd7 {[%emt 0:01:10]} 10. O-O {[%emt 0:00:14]} a6 {[%emt 0:01:03]} 11. a4 {[%emt 0:00:16]} Bb7 {[%emt 0:05:09]} 12. Rc1 {[%emt 0:00:17]} h6 {[%emt 0:00:28]} 13. Bh4 {[%emt 0:00:24]} b4 {[%emt 1:24:34]} 14. Bxf6 {[%emt 0:00:18]} Nxf6 {[%emt 0:00:00]} 15. Ne4 {[%emt 0:00:07]} Nd7 $1 {[%emt 0:00:00]} 16. Qe2 {[%emt 0:01:34] D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3).} Qa5 {[%emt 0:00:00]} 17. Nfd2 {[%emt 0:01:48]} c5 {[%emt 0:00:00]} 18. dxc5 {[%emt 0:03:02][%cal Bd4c5,Bc5c6][%mdl 32] [#] aiming for c6. The position is equal.} Bxe4 $146 {[%emt 0:00:00]} (18... Bd5 $1 $11) ({Predecessor:} 18... Bd5 19. Nc4 Qxa4 20. Ra1 Qc6 21. Na5 Qc7 22. Rfc1 f5 23. Nd2 Nxc5 24. Nab3 Qb6 25. Nxc5 Bxc5 26. Bxa6 {½-½ (41) Beliavsky,A (2618)-Sveshnikov,E (2541) Bled 1999}) 19. Bxe4 $16 {[%emt 0:01:00] Black must now prevent Nb3.} Rac8 {[%emt 0:00:00]} 20. c6 {[%emt 0:08:11]} Nc5 {[%emt 0:00:00]} 21. Nc4 $36 {[%emt 0:01:12][%mdl 2048] Keeping Black busy.} Qc7 {[%emt 0:00:00]} 22. Bf3 {[%emt 0:00:49]} Nxa4 {[%emt 0:00:00]} 23. Ra1 {[%emt 0:01:13]} Nc5 {[%emt 0:00:00]} 24. Na5 {[%emt 0:00:32]} e5 {[%emt 0:00:00]} (24... Qb6 $16 {was necessary.} 25. Nb7 Ra8) 25. Qc4 {[%emt 0:19:56]} (25. Bd5 $1 $18 {has better winning chances.}) 25... Rb8 {[%emt 0:00:00]} (25... e4 $16 {keeps fighting.} 26. Bxe4 Nxe4 27. Qxe4 Bf6) 26. Nb3 {[%emt 0:15:28]} (26. Rfd1 $18) 26... Nxb3 {[%emt 0:00:00]} ({Better is} 26... e4 27. Bxe4 (27. Nxc5 Qxc6 28. Rxa6 Qxc5 $16) 27... Nxe4) 27. Qxb3 {[%emt 0:00:18]} a5 {[%emt 0:00:00]} 28. Rfd1 {[%emt 0:00:37] Strongly threatening Rd7.} Rfd8 {[%emt 0:00:00] Inhibits Rd7.} 29. Bd5 {[%emt 0:00:47]} Bc5 {[%emt 0:00:00] [#]} (29... Kf8 $16 {is a better defense.} 30. Qc4 (30. Bxf7 Rxd1+ 31. Rxd1 Qxc6 $16) 30... Rbc8) 30. Qc4 $2 {[%emt 0:06:37]} (30. Bxf7+ $1 $18 {[%mdl 512] is the precise move to win.} Kh8 31. Qe6) 30... Bb6 {[%emt 0:00:00]} 31. Rd3 {[%emt 0:00:27]} Qe7 {[%emt 0:00:00]} 32. g3 {[%emt 0:02:49]} Kf8 {[%emt 0:00:00]} 33. b3 {[%emt 0:05:36]} Rbc8 {[%emt 0:00:00]} 34. Rad1 {[%emt 0:00:47][%cal Ba1d1,Bd1d3,Bd3d5][%mdl 32]} Bc7 {[%emt 0:00:00]} 35. Qg4 {[%emt 0:08:18]} g6 {[%emt 0:00:05]} 36. Kg2 {[%emt 0:08:10] White is much more active.} h5 {[%emt 0:01:02]} 37. Qc4 {[%emt 0:00:33]} f5 {[%emt 0:01:56]} 38. Be6 {[%emt 0:02:02]} Rxd3 {[%emt 0:00:15]} 39. Rxd3 {[%emt 0:00:01]} Rd8 {[%emt 0:00:28] ...Rxd3 is the strong threat.} 40. Bd7 {[%emt 0:00:40]} e4 $2 {[%emt 0:01:41][%mdl 8192]} (40... Kg7 $14) 41. Rd5 $18 {[%emt 0:00:41] White is clearly winning.} h4 {[%emt 0:01:30]} (41... a4 $142 42. bxa4 Kg7) 42. Qd4 {[%emt 0:00:36][%cal Od7e6] Hoping for Be6!} Qg7 {[%emt 0:01:08]} 43. Qa7 {[%emt 0:01:17]} h3+ {[%emt 0:00:59]} 44. Kxh3 {[%emt 0:00:16] Weighted Error Value: White=0.16 (very precise) /Black=0.50} 1-0

[Event "13th Chennai Open 2022"]
[Site "Chennai"]
[Date "2022.06.23"]
[Round "7.18"]
[White "Priyankara, Chamil"]
[Black "Hirthickkesh PR"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1938"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2022.06.19"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,118,-2,-6,-1,4,-12,0,-45,12,8,4,16,9,0,14,1,49,7,26,0,11,5,5,5,15,12,37,8,24,24,22,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,5,0,0,0,-6,-162,-133,-111,-104,-245,-222,-281,-281,-343,-181,-178,0,-416,-416,-453,-446,-452,-424,-419,-434,-410,-416,-402,-387,-493,-81,-66,-71,-127,-127,-280,-280,-485,-482,-487,-467,-460,-420,-841,-837,-795,-786,-660,-736,-565,-244,-1565,-1201,-29978,-29980,-29982,-29983,-29981,-29982,-29987,-29988,-29988,-29989,-29989,-29986]} 1. d4 {[%emt 0:00:28]} Nf6 {[%emt 0:00:10]} 2. Bf4 {[%emt 0:00:24]} g6 {[%emt 0:00:18]} 3. Nc3 {[%emt 0:00:24]} d5 {[%emt 0:00:17]} 4. e3 {[%emt 0:00:08]} c6 {[%emt 0:00:07]} 5. h4 {[%emt 0:00:37]} Bg7 {[%emt 0:04:05]} 6. Be2 {[%emt 0:00:58][%cal Bf1e2,Be2d1,Bd1a4][%mdl 32] A45: Trompowsky Attack.} h6 {[%emt 0:06:27]} 7. g4 {[%emt 0:15:06] [#]} Qa5 $146 {[%emt 0:05:49]} ({Predecessor:} 7... Nbd7 8. a4 a5 9. Nh3 Qb6 10. Ra3 Ne4 11. Rb3 Qd8 12. Nxe4 dxe4 13. Bg3 e5 {1-0 (36) Bortnyk,O (2598)-Vastrukhin,O (2401) Chess.com INT 2020}) 8. Rb1 {[%emt 0:08:29] The position is equal.} Ne4 {[%emt 0:12:09]} (8... c5 $15) 9. b4 $11 {[%emt 0:00:08]} Nxc3 {[%emt 0:00:38]} 10. bxa5 {[%emt 0:00:02]} Nxd1 {[%emt 0:00:05]} 11. Bxd1 {[%emt 0:05:04]} Nd7 {[%emt 0:03:25]} 12. Nf3 {[%emt 0:00:33] Inhibits e5.} f6 {[%emt 0:04:26]} (12... b6 $11) 13. h5 {[%emt 0:08:43]} g5 {[%emt 0:00:04]} 14. Bh2 {[%emt 0:03:05][%cal Oc2c4]} e5 {[%emt 0:01:27]} 15. c3 {[%emt 0:00:01]} b6 {[%emt 0:07:14]} 16. Ba4 {[%emt 0:02:52]} b5 {[%emt 0:04:20]} 17. Bc2 {[%emt 0:00:02]} O-O {[%emt 0:12:32]} 18. Bf5 {[%emt 0:06:43]} Re8 {[%emt 0:01:48]} 19. O-O {[%emt 0:09:02]} Nf8 {[%emt 0:02:24]} 20. Rb2 {[%emt 0:01:18]} Bxf5 {[%emt 0:02:21]} 21. gxf5 {[%emt 0:03:15]} Nd7 {[%emt 0:02:11][%cal Bf8d7,Bd7c5,Bc5a4,Ba4c3][%mdl 32]} 22. Rd1 {[%emt 0:09:16]} a6 {[%emt 0:07:39]} 23. Ne1 {[%emt 0:00:49][%cal Bf3e1,Be1d3,Bd3b4,Bb4d5][%mdl 32]} Bf8 {[%emt 0:07:01]} 24. Nd3 {[%emt 0:03:08]} c5 {[%emt 0:03:45]} 25. dxc5 {[%emt 0:01:22]} Rac8 {[%emt 0:01:06]} 26. Nb4 {[%emt 0:00:53][%csl LRa6,LRd5]} Nxc5 {[%emt 0:00:05] aiming for ...Na4.} 27. Nxd5 {[%emt 0:00:31]} Kf7 {[%emt 0:01:18]} 28. f3 {[%emt 0:01:28]} Na4 {[%emt 0:00:54][%csl LRb2,LRc3]} 29. Rc2 {[%emt 0:00:11]} Red8 {[%emt 0:00:07][%cal Oa4c3] next ...Nxc3! is good for Black.} 30. e4 $2 {[%emt 0:06:01] [#]} (30. c4 $11 {and White is okay.}) 30... Nxc3 $1 $19 {[%emt 0:00:38][%mdl 512]} 31. Rxc3 {[%emt 0:01:09]} Rxd5 $1 {[%emt 0:00:09][%mdl 64] Remove Defender} 32. Rxd5 {[%emt 0:05:39]} (32. Rxc8 $17 Rxd1+ 33. Kg2) 32... Rxc3 {[%emt 0:00:07][%mdl 4096] Endgame KRB-KRB} 33. Rd7+ {[%emt 0:00:01]} Ke8 {[%emt 0:00:46]} 34. Rb7 {[%emt 0:01:09]} Ra3 {[%emt 0:01:17]} ({Worse is} 34... Rxf3 35. Rb8+ Kf7 36. Rb7+ Kg8 37. Rb8 $17) (34... Bc5+ $142 35. Kh1 Rc1+ 36. Kg2 Rc2+ 37. Kh3 Rxa2 38. Rb8+ Kd7) 35. Bg3 {[%emt 0:01:01]} Bc5+ $2 {[%emt 0:03:15]} ({Weaker is} 35... Rxf3 36. Bf2 $11) ({And not} 35... Rxa5 36. Rb8+ Kf7 37. Rb7+ Kg8 38. Bf2 $15) (35... Rxa2 $19 36. Rb8+ Kf7 37. Rb7+ Kg8) 36. Kg2 $2 {[%emt 0:00:18][%mdl 8192]} (36. Bf2 $11 Bd4 37. Bxd4 exd4 38. Rb6) 36... Rxa2+ {[%emt 0:00:05]} 37. Kh3 {[%emt 0:00:01]} Rxa5 {[%emt 0:00:21]} 38. Be1 {[%emt 0:01:25] Prevents b4.} Ra4 {[%emt 0:01:35]} 39. Rb8+ {[%emt 0:00:24]} Kf7 {[%emt 0:00:20]} 40. Rb7+ {[%emt 0:00:02]} Be7 {[%emt 0:01:07]} 41. Bf2 {[%emt 0:00:07]} Rc4 {[%emt 0:00:09] Inhibits Bc5.} 42. Ra7 {[%emt 0:00:01]} Rc6 {[%emt 0:00:13] Inhibits Bb6.} (42... b4 $19 {and Black stays clearly on top. Hoping for ...b3.} 43. Be1 a5 44. Rxa5 Rc1) 43. Be1 $17 {[%emt 0:00:03] Bb4 is the strong threat.} Ke8 {[%emt 0:01:58]} 44. Ba5 {[%emt 0:00:01] Black continues to play with concentration.} (44. Ra8+ $142 Kd7 45. Ba5) 44... Rc8 {[%emt 0:01:19]} 45. Rxa6 $2 {[%emt 0:00:18] [#]} (45. Kg3 $17) 45... Rb8 $1 $19 {[%emt 0:00:03] Threatens to win with ...b4.} 46. Re6 $2 {[%emt 0:02:21]} (46. Bd2) 46... Kf7 {[%emt 0:00:11]} 47. Bc3 {[%emt 0:01:25]} b4 {[%emt 0:00:05]} 48. Bb2 {[%emt 0:00:02]} Rc8 {[%emt 0:00:15] Prevents Rc6. And now ...Rc2 would win.} 49. Rb6 {[%emt 0:00:04]} (49. Kg4 $142) 49... Rc2 {[%emt 0:00:21]} 50. Ba1 {[%emt 0:00:02]} Ra2 {[%emt 0:00:12]} 51. Bxe5 {[%emt 0:00:08]} fxe5 {[%emt 0:00:01]} 52. Rxh6 {[%emt 0:00:05] KRB-KR} g4+ {[%emt 0:05:51]} (52... b3 $142 {White must now prevent ...Ra4.} 53. Rh7+ Kf6 54. Rh6+ Kg7 55. Rg6+ Kh7) 53. Kxg4 $2 {[%emt 0:04:46]} (53. fxg4 Ra3+ 54. Kg2) 53... Bf6 {[%emt 0:00:54]} 54. Rh7+ {[%emt 0:00:15] [#]} Bg7 $1 {[%emt 0:00:30] Black mates.} 55. h6 {[%emt 0:00:38]} Rg2+ {[%emt 0:00:02]} 56. Kh3 {[%emt 0:00:08]} Kg8 {[%emt 0:00:02]} 57. Rh8+ {[%emt 0:04:11]} Kxh8 {[%emt 0:00:10]} 58. Kxg2 {[%emt 0:00:02]} Bxh6 {[%emt 0:00:01]} 59. Kf1 {[%emt 0:00:05]} b3 {[%emt 0:00:05][%mdl 32768] Weighted Error Value: White=0.68/Black=0.26 (precise) . Loss on time!?} 1-0

