[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.1"]
[White "Adhiban, B.."]
[Black "Chandar Raju"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2648"]
[BlackElo "2042"]
[Annotator "TA"]
[PlyCount "249"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,249,13,29,34,29,20,31,16,27,25,23,14,30,27,40,16,23,2,28,2,61,9,4,0,14,6,105,105,105,105,105,103,108,95,125,115,121,70,79,81,73,75,79,62,59,58,95,62,100,49,70,60,64,59,58,49,63,67,77,41,49,49,66,65,85,51,58,56,56,56,59,64,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,90,85,85,96,92,92,92,85,85,85,85,85,85,0,82,0,85,85,108,85,148,145,343,343,335,331,322,322,280,280,271,263,500,485,435,452,604,579,1056,1051,1041,1034,1034,1034,908,814,1080,1008,1222,1209,1278,1204,1303,1707,1271,1271,1533,1280,29942,11548,29952,29953,29968,29969,29969,29969,29965,29967,29971,29972,29971,29964,29973,29974,29974,29975,29975,29976,29981,29982,29983,29983,29984,29985,29985,29971,29971,29967,29971,29970,29973,29975,29974,29972,29975,29976,29979,4137,29978,29975,29971,29976,29976,29977,29977,29978,29978,29977,29981,29977,29982,29980,29980,29981,29981,29982,29982,4137,29983,29984,29987,29986,29988,29987,29989,29990,29990,29990,29991,29990,29991,29992,29994,29993,29993,29994,29994,29995,29995,29996,29996,29995,29997,29998,29998,29999]} 1. d4 d5 {[%cal Bd7d5,Bd5c4][%mdl 32]} 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b5 8. a4 $1 {E05: Open Catalan: 5 Nf3 Be7.} Bb7 9. axb5 a6 10. bxa6 {White is slightly better.} Nxa6 11. Qxc4 Bd5 12. Qc3 c5 13. Be3 {[#]} cxd4 $146 ({Predecessor:} 13... Ne4 14. Qe1 Nb4 15. Nc3 Nc2 16. Rxa8 Qxa8 17. Qc1 Nxe3 18. Qxe3 Nxc3 19. bxc3 cxd4 20. cxd4 {½-½ (43) Giri,A (2772)-Nepomniachtchi,I (2782) Warsaw 2021}) 14. Bxd4 Rc8 15. Qe3 Nb4 16. Na3 Qd7 (16... Nc6 $1 $11) 17. Rac1 ({White should try} 17. Ne5 $1 $14 Qb7 18. Bxd5 Nfxd5 19. Qb3) 17... Qb7 $11 18. h3 Nd7 19. Rfd1 e5 (19... h6 $11) 20. Rxc8 $16 ({Don't go for} 20. Nxe5 $2 Rxc1 21. Rxc1 Bxg2 $19) 20... Rxc8 21. Bxe5 Nxe5 22. Qxe5 Bf6 23. Qf5 Bxb2 {[#]} 24. Nb5 $1 {[%mdl 512]} g6 {[#]} 25. Qg4 (25. Qb1 $1 $16 {Black must now prevent Nd6.} Qxb5 26. Qxb2) 25... Rc4 $14 26. Nd6 (26. Nfd4 {is interesting.} Bxd4 27. Nxd4 h5 28. Qg5 Bxg2 29. Nf5) 26... Rxg4 27. Nxb7 {Pair of Knights!} Rc4 28. Nd6 Rc6 29. Nb5 Rc2 30. e3 Kg7 31. Nbd4 ({Better is} 31. Nfd4 $16 Rc1 32. Rxc1 Bxc1 33. Bxd5 Nxd5 34. e4) 31... Rc8 32. Ne5 Ba2 33. g4 h6 34. h4 Re8 35. Nef3 {White is more active.} Rc8 36. h5 Rc5 37. hxg6 fxg6 38. Kh2 Kf6 39. Kg3 (39. Ne2 {looks sharper.} Rc2 40. Nf4 g5 41. Nh5+ Ke7 42. Nd4) 39... Rc1 40. Rxc1 Bxc1 41. Ne2 Ba3 42. Nc3 Bb2 43. Nxa2 Nxa2 $16 {[%mdl 4096] Endgame KBN-KBN} 44. Nd2 Nb4 45. Nc4 Bc3 46. Be4 Na6 47. Nb6 Bb2 48. Nd5+ Kg7 49. Ne7 Nc5 50. Bc2 ({But not} 50. Bxg6 Kf6 $15) 50... g5 51. Nf5+ Kh7 52. Kf3 Nd7 53. Ng3+ Kg7 54. Ke4 Kf6 55. Nh5+ Kg6 56. Kf3+ Kf7 57. Bb3+ Ke7 58. Bd1 Ke6 59. Bb3+ Ke7 $1 60. Bd1 Ke6 $1 61. Ng3 Ke5 62. Bc2 Nf6 (62... Ba3 $142) 63. Nf5 h5 $2 {This move loses the game for Black.} (63... Ne8 $16 {was necessary.} 64. Nxh6 Nd6) 64. gxh5 $18 g4+ 65. Kg3 Nxh5+ 66. Kxg4 Nf6+ 67. Kg5 Nh7+ 68. Kg6 Nf6 $2 (68... Nf8+ {keeps fighting.} 69. Kg5 Ne6+ 70. Kg4 Bc1) 69. f4+ Kd5 70. Ng3 {To avoid Ne4} Ng4 71. e4+ {[%cal Be3e4,Be4e5][%mdl 32]} Ke6 72. Bb3+ Ke7 73. Kg5 Nf2 74. e5 Nd3 75. Kf5 Bc1 76. Nh5 Nc5 77. Bc4 Na4 78. Nf6 Nb6 79. Bb3 Bd2 80. Ke4 Bc3 81. Ng4 {f5 is the strong threat.} Bb2 82. f5 {[%cal Bf4f5,Bf5f6][%mdl 32] Threatening mate with f6+.} Nd7 83. f6+ Kf8 84. Kf5 Nc5 85. Bc2 Nb7 86. e6 Nd6+ 87. Kg6 Nc8 88. Ne3 Ne7+ 89. fxe7+ Kxe7 90. Bb3 Ba3 91. Nf5+ Ke8 92. Kg7 Bb4 93. Ba4+ Kd8 94. Kf7 Bc5 95. e7+ Bxe7 96. Nxe7 Kc7 97. Ke6 Kb6 98. Nd5+ Kc5 99. Ke5 Kc4 100. Bc2 Kc5 101. Bd3 Kc6 102. Nf6 Kc5 103. Nd7+ Kb4 104. Kd4 Kb3 105. Nc5+ Kb2 106. Bc4 Ka3 107. Nb3 Kb4 108. Kd3 Ka3 109. Kc3 Ka2 110. Bd3 Ka3 111. Bb1 Ka4 112. Nd4 {White mates.} Ka3 113. Nb5+ Ka4 114. Kc4 Ka5 115. Kc5 Ka4 116. Bc2+ Ka5 117. Bb3 Ka6 118. Nd6 Ka7 119. Kc6 Ka6 120. Nb7 Ka7 121. Kc7 Ka8 122. Bc4 Ka7 123. Bb5 Ka8 124. Nd6 Ka7 125. Nc8+ {Weighted Error Value: White=0.12 (very precise) /Black=0.10 (very precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.2"]
[White "Srimanarayana, A.K.S."]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2029"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,104,5,0,20,0,15,0,0,0,0,0,0,0,0,-24,-12,-53,-52,-55,-59,-76,-67,-83,-65,-68,-64,-67,-73,-75,-70,-120,-83,-105,-101,-93,-89,-208,-198,-240,-250,-250,-263,-466,-500,-469,-481,-505,-505,-505,-505,-479,-470,-505,-505,-505,-505,-505,-502,-539,-539,-777,-761,-979,-867,-1207,-1207,-1699,-1600,-1735,-968,-2462,-2219,-5139,-577,-3207,-1972,-29975,-1576,-29976,-29975,-29981,-29982,-29982,-29981,-29982,-29983,-29985,-29986]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. O-O O-O 10. Be3 d6 {B44: Sicilian: Taimanov: 5 Nb5.} 11. h3 Be6 {The old main line.} 12. Rc1 {[#]} Nd7 $146 {The position is equal.} ({Predecessor:} 12... Bxc3 13. Rxc3 d5 14. Bg5 {½-½ (14) Vavrak,P (2472)-Lie,K (2556) Reykjavik 2008}) 13. a3 Bc5 14. Qe2 a5 15. Na4 Rb8 16. Nxc5 Nxc5 17. Bxc5 (17. f4 $11 {was preferrable.}) 17... dxc5 $15 18. Rc3 Qg5 19. Bb1 Rfd8 {[%cal Bf8d8,Bd8d4,Bd4d2,Bd2b2][%mdl 32] And now ...Rd2 would win.} 20. Re3 Rd4 {Black is much more active.} 21. b3 Qd8 22. a4 Rd2 {Black continues to play with concentration.} 23. Qf3 g6 24. Kh2 (24. Rc1 $15) 24... Qh4 25. Rd3 {[#]} Rb2 26. Kg1 Kg7 27. Rc1 {[#]} (27. Rc3 $17) 27... Qg5 $1 $19 28. Rcd1 (28. Rf1 {was necessary.}) 28... Qf4 29. Qxf4 exf4 30. e5 $2 (30. h4 {is a better defense.}) 30... Bf5 {[%cal Ob2b1] White must now prevent ...Rxb1!} 31. Rd6 Rxb1 32. Rxb1 Bxb1 33. Rxc6 Rxb3 34. Rxc5 {[%mdl 4096] Endgame KRB-KR} Bd3 35. Rc7 Bf5 36. Rc5 Rb4 37. Rxa5 Rxc4 38. Kf1 Bc2 39. Ke2 Rxa4 40. Rc5 Be4 41. f3 Bf5 42. Kf2 g5 {Threatens to win with ...Ra2+.} 43. Rb5 Be6 {aiming for ...Ra2+.} 44. Kg1 Kg6 45. Kh2 Kf5 {...h5 is the strong threat.} 46. Kg1 h5 47. Rb8 g4 (47... Ra1+ $142 48. Kh2 Ra2 49. Rh8 h4 50. Kg1 Kxe5 51. Rd8 Ra1+ 52. Kh2 Bc4 53. Rg8 Kf6 54. Rf8 Ke7 55. Rb8 Bf1 56. Kg1 Kf6 57. Rh8 Kf5 58. Rd8 Bc4+ 59. Kh2 Ke5 60. Rb8 Bf1 61. Kg1 Be2+ 62. Kh2 Ra2 63. Kg1 Bd3 64. Re8+ Kf5 65. Rc8 Ra1+ 66. Kh2 Bf1 67. Rc5+ Kg6 68. Kg1 Bc4+ 69. Kh2 Be2 70. Re5 Bf1 71. Kg1 Bc4+ 72. Kh2 f5 73. Rc5 Bf1 74. Kg1 Bd3+ 75. Kh2 Ra2 76. Kg1 g4 77. Rc6+ Kh5 78. hxg4+ fxg4 79. Rc5+ Kg6 80. Rc6+ Kg5 81. Rc5+ Bf5 82. fxg4 Kxg4 83. Rc7 h3 84. Rg7+ Kh4 85. Rg8 Bg4 86. gxh3 Bxh3 87. Rg7 f3 88. Rf7 Kg3 89. Rg7+ Bg4 90. Rxg4+ Kxg4 91. Kf1 Kg3 92. Ke1 Kg2 93. Kd1 f2 94. Kc1 f1=Q#) 48. hxg4+ hxg4 {Black mates.} 49. Rb1 gxf3 50. gxf3 Ra3 51. Rf1 Bd5 52. Kg2 {[#]} Rxf3 $1 {Weighted Error Value: White=0.60/Black=0.03 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.3"]
[White "Gupta, Abhijeet"]
[Black "Kumar, Gaurav"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2628"]
[BlackElo "2025"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,71,56,78,68,80,77,115,69,80,71,116,121,159,144,154,120,272,262,353,354,358,361,370,357,579,597,860,851,783,795,829,829,883,858,1189,1172,1250,1250,1234,1231,1211,1133,29990,29991,29992,29990,29990,29991,29991,29991,29991,29992,29992,29993,29993,29994,29994,29995,29995,29996]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 d6 7. e4 e5 8. h3 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Nbd7 9. Be3 {[#]} c5 $146 ({Predecessor:} 9... c6 10. Be2 Nc5 11. Nd2 cxd5 12. cxd5 O-O 13. g4 Qc8 14. Rc1 Ba6 15. Nf1 Bxe2 16. Qxe2 {½-½ (30) Malesevic,N (2260)-Penalver,O (2251) Sweden 2016}) 10. g4 ({Better is} 10. Bd3 $16) 10... h6 $14 11. Bd3 {[%cal Bf1d3,Bd3c2,Bc2a4][%mdl 32]} g5 (11... Bc8 $142) 12. Bc2 $16 Nf8 13. Ba4+ N6d7 14. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32] White is much more active.} h5 $2 {Black cannot hold the game after this.} (14... a6 $16) 15. gxh5 $18 Rxh5 16. Ng3 Rh7 17. Nf5 {[%cal Of3g5] [#] Hoping for Nxg5!} f6 18. h4 Ng6 $2 (18... a6 19. Ke2 g4) 19. Rg1 Nf4 20. Bxf4 exf4 21. hxg5 fxg5 22. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Kf8 23. e6 Bc8 24. Qc2 Ne5 25. Nxe5 dxe5 26. Nxe7 Qxe7 27. d6 Qb7 28. Qf5+ {White mates.} Kg8 29. Qxg5+ Rg7 30. Qd8+ ({Stronger than} 30. d7 Qe4+ 31. Kd2 Qd4+ 32. Kc2 Rxg5 $11) 30... Kh7 31. Bc2+ e4 32. Rh1+ Kg6 33. O-O-O Bxe6 34. Rdg1+ Kf7 35. Rxg7+ Kxg7 36. Qg5+ {Weighted Error Value: White=0.05 (flawless) /Black=0.73} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.4"]
[White "Nagarkatte Vedant"]
[Black "Karthikeyan, Murali"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2013"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,92,-2,-14,-6,-27,0,-17,-10,-7,0,-1,-2,-52,-53,-62,-8,-43,-14,-22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28,-41,-46,-50,-47,-53,-44,-42,-47,-39,-33,-26,-37,-27,-50,-38,-33,-44,-46,-49,-80,-85,-108,-101,-239,-219,-268,-268,-266,-275,-275,-265,-273,-256,-318,-315,-487,-475,-571,-547,-1477,-1407,-3079,-2350]} 1. e4 c5 2. Nf3 Nc6 3. d3 Nf6 4. g3 d6 5. Bg2 g6 6. O-O Bg7 7. c3 O-O 8. Re1 e5 9. Na3 {[%cal Bb1a3,Ba3c2,Bc2e3][%mdl 32] 9.a4 is becoming the main line.} h6 {A05: Réti Opening: 1 Nf3 Nf6.} 10. Nc2 Re8 11. h3 d5 {[#] The position is equal.} 12. exd5 $146 ({Predecessor:} 12. Nd2 Be6 13. c4 dxe4 14. dxe4 a6 15. Ne3 b5 16. Nd5 Nd4 17. b3 Nd7 18. Bb2 {½-½ (29) Schmitz,T (2310)-Cacciola,A (2122) Davos 2014}) 12... Nxd5 13. Ne3 $1 Nf6 14. Qc2 (14. Nc4 $11) 14... Be6 $15 15. Nd2 Qd7 {Black is more active.} (15... Qc7 $15) 16. Kh2 b6 17. Ne4 $1 Nd5 18. Qa4 $1 Rac8 19. Nxd5 Bxd5 20. c4 $1 Bxe4 21. Bxe4 Red8 22. Bd2 {To avoid Nb4} Ne7 23. Qxd7 Rxd7 24. Bc3 $1 Rcd8 25. Re2 f5 26. Bg2 Rxd3 {...e4 is the strong threat.} 27. Bxe5 Rd2 $1 28. Rae1 Rxe2 29. Rxe2 {[#] Hoping for Bxg7.} Bxe5 30. Rxe5 {[%mdl 4096] Endgame KRB-KRN} Kf7 {And now ...Rd2 would win.} 31. Re2 {Inhibits Rd2.} g5 32. Bf3 Kf6 33. Kg2 Rd4 34. b3 Rd3 35. Bb7 h5 36. Kh2 h4 37. gxh4 {This costs White the game.} (37. Kg2 $17 {was worth a try.}) 37... gxh4 $19 38. Bg2 Ng6 39. Bf1 Rd1 40. Bg2 Nf4 41. Rc2 Ke5 {Threatens to win with ...Kd4.} 42. Bf3 Rd3 43. Bg2 (43. Bb7 $142) 43... Kd4 {Black is clearly winning.} 44. Bf1 Rd1 45. Be2 Re1 46. Bf3 Kd3 {Weighted Error Value: White=0.46/Black=0.05 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.5"]
[White "Sethuraman, S.P."]
[Black "Singh, Soram Rahul"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2619"]
[BlackElo "2006"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,12,15,12,35,26,40,40,41,37,43,31,49,23,61,35,68,43,141,115,106,119,102,107,167,185,178,184,175,176,179,172,186,162,195,191,216,221,212,215,223,234,241,245,244,229,251,264,260,260,280,279,313,299,483,460,636,628,581,515,591,558,1435,1401,795,779]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. Rc1 Bb7 8. cxd5 {D37: Queen's Gambit Declined: 5 Bf4.} exd5 9. Be2 c5 10. dxc5 {White is slightly better.} bxc5 11. O-O Nbd7 12. Ne5 Nb6 13. Bf3 {[#]} Ne4 $146 ({Predecessor:} 13... Rc8 14. Nb5 Qe8 15. Nc3 Bd6 16. Ng4 Qe6 17. Nxf6+ Qxf6 18. Bxd6 Qxd6 19. Nxd5 Nxd5 {½-½ (47) Goganov,A (2609)-Isajevsky,A (2403) Kazan 2015}) 14. Bxe4 dxe4 15. Qc2 $1 {White is more active.} f5 ({Better is} 15... Bf6 $14) 16. Qb3+ Bd5 17. Nxd5 Qxd5 18. Nc6 Qxb3 (18... Rf7 $16 19. Nxe7+ Rxe7) 19. Nxe7+ $18 ({Don't take} 19. axb3 $6 Bf6 $14) 19... Kf7 20. axb3 Kxe7 21. Rxc5 Rf7 22. h3 Ke8 23. Rd1 Rc8 24. b4 g6 25. g4 fxg4 26. hxg4 Rd7 27. Rdc1 Rcd8 28. Re5+ Kf7 29. Rxe4 Rd1+ 30. Rxd1 Rxd1+ {[%mdl 4096] Endgame KRB-KRN} 31. Kg2 Rd2 32. Be5 Rc2 33. g5 Nc4 $2 {[#]} (33... Rc4 {was called for.} 34. Kf3 a6) 34. Bf6 {White is clearly winning.} Nxb2 35. Re7+ Kf8 36. Kg3 Nd3 37. Rxa7 {[#] Black must now prevent b5.} Nxf2 38. Kf3 Nd3 39. b5 {Weighted Error Value: White=0.06 (flawless) /Black=0.34} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.6"]
[White "Ebenezer, Joseph"]
[Black "Puranik, Abhimanyu"]
[Result "0-1"]
[ECO "C59"]
[WhiteElo "2005"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,62,28,23,26,8,0,8,0,0,0,0,0,0,0,-50,-40,-48,-43,-59,-41,-172,-165,-166,-141,-145,-139,-147,-148,-139,-152,-445,-435,-410,-402,-347,-307,-725,-703,-29996,-29997,-29997,-180]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. d4 exd3 12. Nxd3 O-O {C59: Two Knights: 4 Ng5 d5 5 exd5 Na5 5 Bb5+ c6 6 dxc6 bxc6 7 Be2.} 13. Bf4 (13. O-O {is more complex.} Qc7 14. g3 Re8 15. Re1 Bf5 16. Nc3) 13... Bxf4 14. Nxf4 Qc7 {The position is equal.} 15. Qc1 g5 $1 16. Nd3 (16. Nh5 $2 Nxh5 17. Bxh5 Ba6 $19) 16... Re8 17. Nc3 Nd5 {aiming for ...Nxc3.} 18. Nxd5 (18. Kf1 $1 $11) 18... cxd5 $15 19. Kf1 {[#] Strongly threatening h4.} Ba6 $146 {[%mdl 2048] ...Rac8 is the strong threat. Black has good play.} (19... Qe7 20. Bf3 $14) ({Predecessor:} 19... Bf5 20. h4 Rac8 {0-1 (20) Visser,B (1408)-Richter,K (1475) LSS email 2010}) 20. h4 Rac8 $1 (20... Qe7 21. Bg4 $16) 21. c3 {[#]} (21. Qd1 $15) 21... Rxe2 $1 $19 {[%mdl 512]} 22. Kxe2 Bxd3+ (22... Qc4 23. Rh3 (23. Qe3 Qb5 $17) 23... Qe4+ 24. Kf1 Bxd3+ 25. Kg1 $14) 23. Kxd3 {And now b3 would win.} Qc4+ 24. Kd2 {Black must now prevent b3.} d4 $1 {[%mdl 1024] Black has strong compensation. Really sharp! Black is much more active.} 25. Rh3 {[#]} ({But not} 25. hxg5 $2 dxc3+ 26. Qxc3 Qd5+ 27. Ke3 Rxc3+ 28. bxc3 Qc5+ 29. Ke2 Qc4+ 30. Kd2 Qd5+ 31. Ke3 Qc5+ 32. Ke2 Qc4+ 33. Kd2 hxg5 $19) 25... Qd5 {[%csl LRc3,LRg2] Hoping for ...Nc4+.} (25... dxc3+ $2 26. Rxc3 Rd8+ 27. Ke1 Qxh4 28. Rh3 $18) 26. Rd3 $2 {[#] This costs White the game.} (26. b3 $17 dxc3+ 27. Ke2) 26... Nc4+ $1 27. Kc2 Qf5 28. Qe1 dxc3 29. bxc3 (29. g4 Qh7 30. Qe2 (30. Qxc3 $2 Nb6 $19) 30... cxb2 31. Rad1 Ne3+ 32. Kxb2 Qg7+ 33. Ka3 Nc2+ 34. Kb3 Rb8+ 35. Kc4) 29... Rb8 {( -> ...Rb2+)} 30. Rad1 Na3+ 31. Kc1 Rb1+ {Weighted Error Value: White=0.88/Black=0.03 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.7"]
[White "Gukesh D"]
[Black "Imtiaz, Islam Bora"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2614"]
[BlackElo "2004"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,37,40,35,23,20,37,35,39,27,4,59,42,36,50,154,150,146,147,148,136,299,297,576,308]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 e5 7. d5 Na6 8. Nf3 Nh5 9. g3 {E90: King's Indian: Classical: Early deviations and 6 h3.} f5 10. exf5 $1 gxf5 11. Nh4 {White is slightly better.} Nf6 {[%cal Of5f4]} 12. Bd3 f4 ({Black should play} 12... e4 $1 $11 13. Be2 Nd7) 13. gxf4 $14 exf4 14. Bd4 $36 {[%mdl 2048] [#] White has the initiative.} ({Of course not} 14. Bxf4 Nc5 15. Ng2 Qe8+ 16. Be3 Nfd7 $15) 14... Qe7+ $146 {[#]} (14... Nb4 $14) ({Predecessor:} 14... Nb4 15. Rg1 Nxd3+ 16. Qxd3 Nh5 17. Bxg7 Nxg7 18. Nf3 Bf5 19. Qd4 Qf6 {1-0 (59) Alonso Rosell,A (2537)-Pablo Marin,A (2383) Barcelona 2017}) 15. Kd2 $1 $16 {Black must now prevent Qf3. White is more active.} Nc5 16. Rg1 {Bf5 is the strong threat.} Nxd3 17. Kxd3 {aiming for Qf3. Really sharp!} f3 $2 (17... Bd7 $16 {keeps fighting.}) 18. Qe1 $18 ({Resist} 18. Qxf3 $6 Nd7 19. Rxg7+ Qxg7 20. Bxg7 Rxf3+ 21. Nxf3 Kxg7 22. Rg1+ Kf8 $18) 18... Qd8 {[#]} (18... Qxe1 19. Raxe1 Nh5) 19. Ne4 {Weighted Error Value: White=0.03 (flawless) /Black=0.54} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.8"]
[White "Joel Paul Ganta"]
[Black "Aravindh, Chithambaram VR."]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2004"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,30,57,46,41,40,50,40,43,0,0,0,17,-55,33,28,46,50,92,-145,83,89,70,65,87,44,42,38,34,0,0,-38,-27,-13,21,-130,-112,-275,-287,-272,-241,-886,-443,-1318,-1272,-29984,-29985,-29985,-29986,-29985,-5714]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3][%mdl 32]} Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 h5 6. h3 {B33: Sicilian: Pelikan and Sveshnikov Variations.} e5 7. Ndb5 d6 8. Bg5 {Hoping for Nd5. White is slightly better.} a6 {[#]} 9. Bxf6 $146 ({Predecessor:} 9. Na3 Be6 10. Nc4 Rc8 11. Ne3 Nd4 12. Bd3 Be7 13. O-O b5 14. Bxf6 Bxf6 15. a4 {1-0 (51) Spyropoulos,N (2425)-Arjun,K (2477) Chess.com INT 2020}) 9... gxf6 {[%cal Bg7f6,Bf6f5][%mdl 32]} 10. Na3 f5 11. Bd3 (11. exf5 $1 $11 Bxf5 12. Nd5) 11... b5 ({Better is} 11... fxe4 $15 12. Bxe4 Be6) 12. Nd5 $14 Be6 13. c3 $1 Rc8 (13... Bg7 $14) 14. Qf3 $2 (14. Nc2 $1 $16 {and life is bright.}) 14... Rh6 $2 (14... Bxd5 $17 {keeps the pressure on.} 15. exd5 e4 $1 16. Qxf5 exd3 17. dxc6 Qe7+ 18. Kf1 Qe2+ 19. Kg1 Rxc6) 15. exf5 $16 Bxd5 16. Qxd5 Ne7 17. Qe4 (17. Qb3 $16) 17... Bg7 18. Qh4 d5 19. Qg5 Kf8 20. O-O {[%cal Of5f6]} e4 21. Be2 Rf6 22. g4 $2 (22. Bxh5 Rxf5 23. Qg4 d4 $15) (22. Nc2 $11) 22... hxg4 23. hxg4 {[#] This move loses the game for White.} (23. Bxg4 $17 {was worth a try.} b4 24. cxb4) 23... Nxf5 $1 $19 {[%cal Of5g3][%mdl 512] And now ...Ng3! would win.} 24. Rad1 {[#]} (24. gxf5 $2 Rg6 $3 {[%mdl 512]} 25. Qxg6 fxg6 $19) 24... d4 $1 {[%cal Bd5d4,Bd4d3][%mdl 32] White must now prevent ...d3!} 25. Qh5 $2 ({Don't go for} 25. gxf5 $2 {[#]} Rg6 $3 {[%mdl 512]} 26. Qxg6 fxg6 $19) (25. Nc2 d3 26. Rfe1 (26. gxf5 $2 Rg6 $19)) (25. Rfe1 d3) 25... d3 26. g5 ({And not} 26. gxf5 Rh6 27. Qg4 Qc7) (26. Bxd3 $142 exd3 27. Rfe1) 26... Rg6 27. f4 exf3 {Black mates.} 28. Rxd3 Rxg5+ 29. Kf2 Qb6+ {Weighted Error Value: White=1.08/Black=0.50} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.9"]
[White "Aryan Chopra"]
[Black "Sumit, Grover"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2585"]
[BlackElo "2004"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,31,25,30,17,36,28,35,44,41,33,38,42,36,40,81,80,85,93,168,92,95,94,112,112,125,125,118,118,122,103,155,155,155,155,155,155,155,155,176,118,118,118,263,263,419,412,470,448,485,511,485,504,701,695,1212,1216,1232,1193,1154,1089,1141]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O Ne7 7. Nbd2 h6 {B12: Caro-Kann: Advance Variation.} 8. Nb3 Bh7 9. a4 Nf5 {White has an edge.} 10. a5 a6 11. c4 Be7 12. Bd2 O-O 13. Rc1 Nh4 (13... dxc4 $14 {feels stronger.} 14. Bxc4 c5) 14. Nxh4 $16 {Strongly threatening Nf3.} Bxh4 15. cxd5 {[#]} exd5 $146 (15... cxd5 $16 {was necessary.} 16. Bb4 Be7 17. Bxe7 Qxe7) ({Predecessor:} 15... cxd5 16. Bb4 Be7 17. Qd2 Nb8 18. Bxe7 Qxe7 19. Nc5 Nc6 20. b4 Rfc8 21. Rfe1 Bf5 {1-0 (40) Hillarp Persson,T (2618)-Hanninger,S (2167) Kungsor 2009}) 16. Bb4 ({Better is} 16. f4 $18) 16... Be7 17. Qd2 Re8 18. Bg4 Nf8 19. Bxe7 Qxe7 20. Nc5 Rab8 21. Rfe1 {White is much more active.} Ne6 (21... Qh4 $142 22. f3 Ne6) 22. Bxe6 fxe6 23. Re3 Rbc8 24. Rb3 Rc7 25. Rcc3 Qf7 {[#]} 26. Rb6 (26. Rg3 $1 $18) 26... Ree7 27. Rf3 Qg6 {This costs Black the game.} (27... Qh5 $16 {might work better.}) 28. h3 $18 Rf7 (28... h5 {is a better defense.} 29. Rg3 (29. Qf4 Qe8 $16) 29... Qf7) 29. Rxf7 Qxf7 {[#]} 30. Nxa6 $1 {[%mdl 512] White is clearly winning.} Re7 31. Nc5 Bg6 32. Qe3 Kh7 33. Qf3 {Prevents Be4. Black must now prevent Qxf7.} Qxf3 34. gxf3 Bf5 35. Rxb7 Re8 36. a6 Rh8 {Weighted Error Value: White=0.06 (flawless) /Black=0.29 (precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.10"]
[White "Choubey Saurabh"]
[Black "Lalith Babu M R"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1993"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,56,16,-12,20,24,23,6,0,-1,1,0,0,3,4,0,0,-28,-22,-24,-29,0,-18,-15,-9,-44,-37,-49,-28,-48,-68,-108,-107,-93,-103,-108,-108,-309,-302,-297,-289,-355,-364,-360,-343,-335,-341,-366,-357]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 d6 6. d3 Bf5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} 7. Bd2 {is the legacy move (7.0-0).} Qd7 {[#]} 8. h4 $146 ({Predecessor:} 8. h3 h6 9. e4 Be6 10. Rb1 Rb8 11. a3 a6 12. b4 cxb4 13. axb4 b5 14. cxb5 axb5 {1-0 (41) Moussard,J (2571)-Cheparinov,I (2699) Caleta 2018}) 8... Nf6 {The position is equal.} 9. a3 O-O 10. Rb1 Bg4 11. b4 Rac8 12. O-O Bh3 13. Ng5 Bxg2 14. Kxg2 d5 15. cxd5 Nxd5 16. Nxd5 Qxd5+ 17. Kg1 cxb4 18. axb4 Nd4 19. Be3 Nb5 20. Qb3 Qxb3 {Black is more active.} 21. Rxb3 Rc2 22. Re1 Bc3 $36 {[%mdl 2048] Black has strong initiative.} 23. Rc1 {Now White is beyond hope.} (23. Rd1 $17) 23... Rxc1+ $19 24. Bxc1 {[#]} Nd4 $1 {[%csl LRb3,LRe2]} 25. Rb1 (25. Ra3 Bxb4) 25... Nxe2+ 26. Kf1 Nxc1 27. Rxc1 Bxb4 28. Rc7 Rb8 {Weighted Error Value: White=0.24 (precise) /Black=0.02 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.11"]
[White "Sankalp Gupta"]
[Black "Parthasarathy R"]
[Result "1/2-1/2"]
[ECO "C76"]
[WhiteElo "2536"]
[BlackElo "1345"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,23,29,25,27,22,27,30,35,26,19,8,21,12,16,8,14,20,39,14,16,4,14,6,10,3,4,9,2,14,9,-79,-60,-89,-92,-103,-110,-114,-111,-102,-102,-122,-135,-123,-123,-216,-210,-253,-260,-258,-258,-232,-239,-237,-196,-274,-273,-324,-291,-343,-335,-307,-269,-237,-206,-490,-484,-453,-394,-374,-336,-307,0,-361]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 g6 7. d4 Bg7 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Be3 $1 {[%mdl 4] is more profitable than 10.f4 at the moment.} Nf6 11. Nd2 {C76: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 g6.} O-O 12. f3 {To avoid Ng4} Bxa4 13. Qxa4 {White has an edge.} Qd3 14. Rfe1 (14. Kf2 {is more complex.} Rfd8 15. Rfd1 Qb5 16. Qb3 b6 17. Nc4) 14... Rfd8 15. Rad1 {aiming for Nc4.} Qb5 16. Qc2 Nd7 {[#]} 17. b3 $146 ({Predecessor:} 17. c4 Qc6 18. Nb3 Qa4 19. c5 Nf8 20. Rc1 Ne6 21. c6 bxc6 22. Qxc6 Qxa2 23. Qc3 {½-½ (45) James,A (2069)-Swindells,J (2144) England 2014}) 17... Nc5 18. Nc4 b6 19. Rxd8+ Rxd8 20. Rd1 Rxd1+ 21. Qxd1 {Black must now prevent Qd8+.} Qd7 {Inhibits Qd8+.} 22. Qd5 Qxd5 23. exd5 $11 {[%mdl 4096] Endgame KBN-KBN} Nd7 $1 24. Kf2 f5 25. d6 {[#]} (25. Ke2 $11) 25... c5 $1 $17 26. b4 {[%cal Oc4b6]} Kf7 27. bxc5 bxc5 28. Bg5 Ke6 29. Be7 Bf6 30. Na5 Bxe7 31. dxe7 Kxe7 {KN-KN} 32. Nb7 (32. Ke3 $17) 32... c4 $19 33. Ke3 Ke6 34. Nd8+ Kd5 35. Nf7 Nf6 36. Ng5 Kc5 37. h4 (37. Ne6+ {might work better.} Kd6 38. Ng5) 37... Kd5 38. g3 Kd6 39. Nf7+ {[#]} Ke6 $1 40. Ng5+ Kd5 41. Ke2 e4 42. f4 $2 (42. fxe4+ Nxe4 43. Nxh7) 42... Kc5 43. Kd2 Kd6 44. Nf7+ Kd5 45. Ng5 Kd6 46. Nf7+ {[%mdl 32768] Weighted Error Value: White=0.26 (precise) /Black=0.15 (very precise) . An unexpected result.} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.12"]
[White "Sharsha Backer"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1991"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,82,12,26,29,41,38,33,21,21,30,18,17,22,17,10,5,4,-140,57,49,51,32,40,31,48,41,55,63,53,52,72,65,71,10,14,5,14,-30,-12,-20,-12,0,0,0,48,0,14,-108,-108,-114,-52,-76,-77,-135,-21,-127,-106,-565,-623,-579,-639,-637,-613,-1045,-870,-1183,-27,-1342,-828,-808,-768]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Bd2 a6 8. a3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Be7 9. Qc2 Re8 10. Bd3 {White is slightly better.} dxc4 11. Bxc4 Bd6 12. O-O h6 13. Rad1 Qe7 {[#]} 14. Rfe1 $146 ({Predecessor:} 14. Ne2 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Bb4 c5 18. Bxc5 Qc7 19. f4 Bxb2 20. Bd6 Qb6 21. Bc5 Qc7 22. Bd6 Qb6 23. Bc5 {½-½ (22) Hernando Rodrigo,J (2318)-Suarez Gomez,J (2429) Linares 2016}) 14... e5 $1 {And now ...e4 would win.} 15. d5 {[#]} (15. Nd5 $11 Nxd5 16. Bxd5) 15... Nb8 $2 (15... e4 $1 $17 16. dxc6 (16. Nxe4 Qxe4) 16... exf3 17. gxf3 Qe5) 16. e4 $36 {[%mdl 2048] White has the initiative.} Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6,Bg6f4][%mdl 32]} 17. h3 Nf8 18. Ne2 N6h7 19. Ng3 Qf6 {[%cal Oc8h3]} 20. Be2 Ng6 21. Nh2 Nf4 22. Bg4 g6 23. Qc3 ({Better is} 23. Ne2 $16) 23... h5 $11 24. Bxc8 Raxc8 25. Ngf1 (25. Ne2 $142) 25... c6 26. Bxf4 exf4 27. Qb3 Ng5 28. dxc6 {Threatens to win with h4.} Rxc6 (28... b5 $1 $11 {might be stronger.}) 29. Qxb7 (29. h4 $1 $14 {is more appropriate.} Nh7 30. Qxb7) 29... f3 {[%cal Of3g2] Hoping for ...fxg2!} 30. Nxf3 (30. e5 $1 $11 {remains equal.} Bxe5 31. h4) 30... Nxf3+ $17 31. gxf3 Be5 (31... Rc2 $17 {( -> ...Qg5+)} 32. Qd5 Qxf3 $1) 32. Qd7 Rec8 33. b4 (33. Kg2 $142) 33... Qxf3 (33... Kg7 $17 {...Qg5+ is the strong threat.} 34. Ne3 (34. Rd5 $2 R6c7 $19) 34... Qxf3) 34. Qd3 (34. Rd3 $11 Qf4 35. Rg3) 34... Qf6 {aiming for ...Rc3. Black is much more active.} 35. Qe3 {[%mdl 8192] [#]} (35. Re3 $17) 35... Rc3 $1 $19 {[%mdl 64] Skewer} 36. Rd3 Rxd3 37. Qxd3 Qg5+ 38. Kh1 Rc3 39. Qd7 Kg7 $2 ({Black should play} 39... Qf6 $19 40. Qe8+ Kh7 41. Qxe5 Qxe5) 40. a4 $2 {[%mdl 8192]} (40. Re3 $11) 40... Rc2 41. Qa7 Qf6 {Weighted Error Value: White=0.78/Black=0.47} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.13"]
[White "Visakh N R"]
[Black "Gurung, Rahul"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2522"]
[BlackElo "1978"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,71,23,22,32,30,46,34,43,23,25,20,19,8,0,0,12,13,9,32,29,29,24,16,56,51,63,53,71,73,98,66,237,237,238,231,286,295,285,284,272,281,281,274,307,284,332,264,268,275,367,369,512,496,505,380]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Qc2 a6 7. b3 Bd6 8. Bb2 O-O 9. Be2 Re8 10. O-O Qe7 {D45: Semi-Slav: 5 e3.} 11. Rad1 h6 {[#]} 12. Rfe1 $146 ({Predecessor:} 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qh4 Rb8 16. Ne5 c5 17. Bf3 Nh7 18. Qxe7 Bxe7 19. dxc5 Bxc5 {½-½ (62) Iliushkin,E (2304)-Grinberg,I (2165) Plovdiv 2013}) 12... Bb4 {White is slightly better.} 13. Qc1 Ne4 14. Nd2 Ndf6 15. Bf3 {[%cal Rf3e4]} Nxd2 16. Rxd2 b5 17. Rc2 bxc4 18. bxc4 Bd7 19. Rd1 Rab8 ({Don't play} 19... dxc4 20. Na4 $16) 20. Na4 {[%cal Oa4c5]} Rec8 21. c5 Rc7 22. Be2 Bc8 23. Nb6 Ra7 24. Bc3 {White is more active.} a5 {[#] A mistake that costs the game.} ({Black should try} 24... Bxc3 $14 25. Rxc3 e5) 25. Ba1 $1 $18 a4 26. Qb1 Ba5 {[#]} 27. Nxd5 {[%mdl 512]} exd5 28. Qxb8 Qd7 29. Qb1 Bc7 30. Bc3 Qe7 31. Rb2 Ng4 32. Bxg4 Bxg4 33. Re1 g6 34. e4 {Black must now prevent exd5.} Qg5 35. Bd2 Qh4 36. g3 {Weighted Error Value: White=0.07 (flawless) /Black=0.32} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "1.14"]
[White "Pattnayak Nilsu"]
[Black "Deepan Chakkravarthy J."]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1976"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,106,0,12,10,9,6,26,29,35,35,26,30,32,30,64,18,14,0,55,0,33,35,42,41,32,27,40,14,14,18,67,66,69,37,54,0,60,0,58,0,82,0,57,16,46,29,29,10,10,12,15,0,0,0,14,0,0,-39,0,-47,0,-54,-66,-66,-56,-77,-68,-463,-452,-468,-465,-470,-450,-764,-638,-951,-940,-1176,-1162,-1114,-1047,-29984,-29985,-29998,-29999]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nf3 g6 7. Be3 Bg7 8. Nc3 O-O 9. Be2 Nc6 10. O-O Bg4 11. b3 d5 12. c5 Nc8 13. Ne5 {B04: Alekhine's Defence: 4 Nf3.} Bxe2 {[#]} 14. Nxc6 $1 {[#]} Bxd1 $146 (14... bxc6 15. Nxe2) ({Predecessor:} 14... bxc6 15. Qxe2 e6 16. Rad1 Qa5 17. Qd2 Rb8 18. Ne2 Qxd2 19. Rxd2 Re8 20. f4 h5 {0-1 (58) Vazquez Maccarini,D (2142)-Boric,E (2216) Baku 2016}) 15. Nxd8 {White has an edge.} Bxb3 {...Bc4 is the strong threat.} 16. Nxb7 ({Reject} 16. axb3 Rxd8 17. Rfd1 e6 $15) 16... Bc4 17. Rfd1 e6 18. Na5 Ba6 19. Nc6 (19. a4 $14) 19... Bb7 $11 {This bishop pair is nice.} 20. Na5 (20. Nb4 $11 Ne7 21. Rab1) 20... Ba6 $1 $14 21. Nc6 ({White should try} 21. a4 $14) 21... Re8 (21... Bb7 $5 {[%cal Rb7c6]} 22. Ne5 Bxe5 23. dxe5 Ne7 $11) 22. Rab1 $36 {[%mdl 2048] White has good play.} Ne7 23. Nxe7+ Rxe7 24. Rb4 Bb7 25. Nb5 Bc6 {[#] aiming for ...Rb7.} 26. Nd6 {To avoid Rb7} Rd7 (26... e5 $11) 27. Rdb1 f6 28. Nb7 Rc8 29. Nd6 Ra8 30. Nb7 Rc8 $1 31. Nd6 (31. f4 $14) 31... Rf8 (31... Ra8 $1 $11) 32. Nb7 (32. R1b3 $16) 32... Rc7 (32... Rc8 $1 $11) 33. Na5 (33. g3 $14) 33... Ba8 34. Rb8 Rcc8 35. Rxc8 Rxc8 36. Kf1 e5 37. Ke2 Kf7 38. Kd3 Ke6 39. f3 Bf8 40. Rc1 Be7 41. Rc2 (41. c6 $11 {is more appropriate.}) 41... h5 (41... e4+ $15 42. Ke2 Bd8) 42. g3 (42. c6 $11) 42... Bd8 43. Bd2 g5 {[%cal Bg6g5,Bg5g4,Bg4f3][%mdl 32]} 44. Bb4 g4 45. Rf2 {[%mdl 8192] Loses the game.} (45. dxe5 $15 Rb8 46. c6 Rxb4 47. c7 Bxc7 48. Rxc7) 45... gxf3 $19 46. Ke3 e4 47. Rc2 f5 48. a3 (48. Nb3 $142 Bg5+ 49. Kf2) 48... Bc7 49. Rb2 h4 50. Be1 f4+ 51. gxf4 Kf5 {White must now prevent ...Rg8.} 52. h3 Rg8 53. Rb5 Rg2 {Weighted Error Value: White=0.73/Black=0.14 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.1"]
[White "Sai Agni Jeevitesh, J."]
[Black "Adhiban, B.."]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2316"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,64,0,0,0,0,0,0,0,0,12,14,16,-80,-72,-75,-76,-84,-81,-91,-89,-92,-78,-74,-74,-86,-75,-75,-75,-96,-85,-68,-43,-75,-37,-33,-13,-62,-46,-16,-29,-162,-156,-155,-161]} 1. d4 Nf6 2. Nf3 d6 3. Nbd2 Bf5 4. g3 h6 5. Bg2 d5 6. O-O c6 7. c4 e6 8. Re1 Nbd7 9. b3 Be7 10. Bb2 O-O 11. Ne5 a5 12. a3 Nxe5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} 13. dxe5 Ne4 14. Nxe4 dxe4 {The position is equal.} 15. e3 Qb6 16. Qc2 Rfd8 {[#]} 17. Bxe4 $146 (17. Bc3 $11) ({Predecessor:} 17. Bd4 c5 18. Bc3 a4 19. bxa4 Qa6 20. Bxe4 Qxc4 21. Bxf5 exf5 22. a5 Rd3 23. Rec1 {½-½ (55) Vijayalakshmi,S (2387)-Zubarev,A (2590) Borup 2012}) 17... Bxe4 $17 18. Qxe4 Qxb3 19. Reb1 Rd7 {Black is more active.} 20. a4 {[%cal Ob2a3]} Rad8 {Threatens to win with ...Rd1+.} 21. Kg2 {[%cal Ob2a3]} Qd3 {To avoid Ba3} (21... Bb4 {looks sharper.} 22. Ba3 Qc3 23. Rc1 f5 24. Qb1 Qxe5 25. Bxb4 axb4 26. Qxb4 Rd2) 22. Qxd3 Rxd3 23. Bd4 Bb4 {And now ...c5 would win.} 24. c5 Rd2 {Prevents Ra2.} 25. Rc1 Rd5 26. g4 h5 27. h3 hxg4 28. hxg4 Kh7 29. Kf3 (29. Kg3 $11) 29... Kg6 $15 30. Kg3 Rd3 31. f3 {[#]} (31. Kf4 $11 {and White stays safe.}) 31... f6 $1 $19 32. exf6 gxf6 {Weighted Error Value: White=0.26 (precise) /Black=0.06 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.2"]
[White "Erigaisi Arjun"]
[Black "Ayush Sharma"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2633"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,81,34,24,40,30,39,-18,23,-78,34,-51,65,49,49,51,50,50,50,43,47,35,40,41,100,89,170,162,160,164,160,133,256,240,471,472,446,445,543,589,621,647,541,194,710,694,648,548,661,643,641,647,628,608,1058,1033,1002,946,2049,1999,1867,1864,1833,1830,1760,1633,6177,6179,5389,5273,2775,2509,29997,29990]} 1. d4 Nf6 2. Bg5 c5 3. d5 Ne4 4. Bf4 Qb6 5. Bc1 g6 6. f3 Nd6 {A45: Trompowsky Attack.} 7. e4 Bg7 8. Nd2 ({Better is} 8. c3 $14) 8... O-O (8... e6 $142) 9. Bd3 {[#]} (9. a4 $11) 9... f5 (9... Qa5 $1 $17) 10. c4 {[#]} (10. c3 $14) 10... e5 $146 ({Much less strong is} 10... Bxb2 11. Rb1 Bxc1 12. Rxb6 Bxd2+ 13. Qxd2 $16) (10... Na6 $1 $15) ({Predecessor:} 10... fxe4 11. fxe4 Nf7 12. Ngf3 d6 13. O-O Nd7 14. Rb1 Nf6 15. Qe1 Bd7 16. Nb3 Ng4 {0-1 (53) Pankov,G (2384)-Vachier Lagrave,M (2684) Dagomys 2009}) 11. Ne2 f4 12. Nc3 Qd8 13. Qe2 Nf7 14. b3 d6 15. Bb2 Qh4+ 16. Kd1 g5 (16... Na6 $14) 17. Kc2 g4 (17... Na6 $16 {might work better.}) 18. Rag1 $18 Na6 19. a3 {Prevents Nb4+.} Ng5 20. Nb5 {[%cal Bc3b5,Bb5d6,Bd6f5][%mdl 32] Prevents Nc7.} Rf6 (20... gxf3 $16 {was worth a try.} 21. Nxf3 Nxf3 22. gxf3 Qf6) 21. g3 Qh5 (21... Qh6 22. gxf4 (22. fxg4 f3 $17) 22... Rxf4) 22. gxf4 Rxf4 23. Nxd6 gxf3 24. Qe3 {[%cal Oh2h4] h4! is the strong threat.} Bh3 25. Nf5 Bf6 {[#]} 26. Rg3 $2 (26. Qxf4 $3 {[%mdl 512]} exf4 27. Bxf6) 26... Bg2 $2 (26... Kf8 27. Bf1 Bxf5 28. exf5 Re8) 27. Rg1 {Threatens to win with h4.} Qxh2 28. Qf2 Kf8 {[#]} 29. Rxg5 {[%mdl 576] Deflection} Bxg5 30. Bxe5 Re8 31. Bd6+ Kf7 {[#]} 32. Nxf3 $1 {[%mdl 512]} Rxf3 {[#]} 33. Qxf3 $1 {[%mdl 576] Pin} Qxg1 (33... Bxf3+ 34. Bxh2) 34. Qh5+ {[%mdl 64] Skewer, Double Attack} Kf6 35. e5+ {[%mdl 64] Overworked Piece} Rxe5 36. Bxe5+ Kxe5 37. Qxg5 {White wants to mate with Qg3+.} Qf2+ 38. Kc3 {Threatening mate with Nd4+.} Qe1+ 39. Kb2 {Qe7+ would kill now.} Qf2+ 40. Bc2 {And now Ne3+ would win.} Bf3 41. Nh4+ {Weighted Error Value: White=0.37/Black=0.76} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.3"]
[White "Sharan, Rao"]
[Black "Gupta, Abhijeet"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2292"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,52,-18,-7,-13,-10,0,-3,-8,-20,-13,-20,0,-12,-20,-17,-5,-17,0,-6,-25,-19,0,0,0,0,0,-173,-182,-293,-329,-321,-318,-313,-303,-1613,-1434,-4978,-2966,-5477,-5373]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 c5 5. Be2 d5 6. d4 cxd4 7. Nxd4 O-O 8. O-O Re8 {D04: Colle System.} 9. c4 e5 10. Nf3 Nc6 {[%cal Od5d4] The position is equal.} 11. Na3 d4 12. exd4 exd4 13. Nb5 {[%cal Rf3d4]} ({Of course not} 13. Nxd4 Nxd4 14. Bxd4 {[#]} Rxe2 $1 {[%mdl 512]} 15. Qxe2 Qxd4 $17) 13... Nh5 14. Nfxd4 Nf4 $1 $36 {[%mdl 2048] Black has good play.} (14... Rxe2 $2 15. Qxe2 Nf4 16. Qe3 Bxd4 17. Nxd4 $18) 15. Bf3 Ne5 {Hoping for ...a6.} 16. Bc1 {[#]} Nh3+ $146 ({Predecessor:} 16... Nxf3+ 17. Qxf3 Ne2+ 18. Nxe2 Bxa1 19. Nbc3 Qa5 20. Bh6 Bxc3 21. Nxc3 Qf5 22. Qd1 Qe5 {½-½ (56) Sharan,R (2179)-Ali,M (2399) Sitges 2021}) 17. gxh3 {aiming for Bg2.} a6 18. Bg2 {Nc3 is the strong threat.} axb5 19. Nxb5 Qh4 20. a4 $2 (20. Nc7 $11 Bxh3 21. Nxa8 (21. Bxh3 $2 Qxh3 22. f3 Nc6 $19) 21... Bxg2 22. Kxg2 Rxa8 23. a4) 20... Bxh3 $19 21. Ra2 (21. Nd6 $142 Rad8 22. c5) 21... Rad8 22. Rd2 Bxg2 23. Kxg2 Nd3 24. f3 $2 {[#]} (24. Rxd3 Qe4+ 25. Qf3 Rxd3 26. Be3) 24... Be5 $1 {[%csl Ge5][%cal Rh4h2] Black is clearly winning.} 25. Kg1 (25. Kh1 Bf4) 25... Bf4 26. Nc3 Nxc1 {Weighted Error Value: White=1.06/Black=0.02 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.4"]
[White "Karthikeyan, Murali"]
[Black "Navalgund, Niranjan"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2622"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,113,22,14,26,16,14,27,31,31,41,45,40,37,50,22,43,28,39,22,45,29,29,30,29,35,53,38,38,30,37,8,39,39,39,0,0,0,9,9,31,31,31,0,0,4,39,0,0,0,31,31,31,31,31,31,31,31,36,14,16,16,32,32,50,48,49,43,43,42,39,41,129,24,107,107,107,27,27,27,27,27,27,27,67,27,27,27,86,81,74,81,87,68,66,64,152,145,251,238,235,185]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 {Threatens to win with axb5.} Bg4 {C84: Closed Ruy Lopez: Unusual White 6th moves.} 9. Be3 O-O 10. h3 {[#]} Bxf3 $146 {White has an edge.} ({Predecessor:} 10... Bd7 11. Nc3 Na5 12. Ba2 b4 13. Nd5 Nxd5 14. Bxd5 c6 15. Ba2 Rb8 16. Nd2 Be6 17. Bxe6 fxe6 {½-½ (33) Tomashevsky,E (2708)-Hansen,E (2606) Chess.com INT 2022}) 11. Qxf3 Nd4 12. Bxd4 exd4 13. Nd2 Nd7 14. Qg3 c6 15. Nf3 Qb6 16. Rfe1 Rae8 17. e5 dxe5 18. Nxe5 Nxe5 19. Qxe5 Qd8 {Strongly threatening ...Bb4.} 20. Qf4 Bf6 21. Rxe8 Rxe8 22. g4 h6 23. axb5 axb5 24. Kg2 (24. Ra6 $5 {[%cal Ra6c6]}) 24... Qd7 25. Qg3 Be5 26. Qf3 Bf6 27. Ra6 Rc8 28. Qe4 Qb7 29. Ra1 Qd7 30. Qf3 Re8 31. Ra6 Rc8 32. Qf5 Qxf5 33. gxf5 $14 {[%mdl 4096] Endgame KRB-KRB} Rc7 {To avoid Ra7} 34. Ra8+ Kh7 35. Rf8 g6 36. fxg6+ Kxg6 37. Kf3 c5 38. Bd5 c4 39. Rg8+ Bg7 $1 40. Rb8 Rc5 41. Rd8 f5 42. Rd6+ Kh7 (42... Bf6 $14) 43. b4 (43. Kf4 $16) 43... cxd3 44. cxd3 $16 (44. bxc5 $2 {too greedy.} dxc2 45. Be6 (45. Bg8+ $2 Kxg8 46. Ke2 c1=Q $19) 45... c1=Q $19) 44... Rc3 {[#]} 45. Be6 (45. Kf4 $1 $16) 45... Rxd3+ $11 46. Ke2 Ra3 $1 47. Bxf5+ Kg8 48. Rb6 Bf8 49. Be6+ Kg7 50. Rxb5 Ra4 {[#]} (50... Be7 $11 {keeps the balance.}) 51. Rb7+ $1 $16 Kf6 52. Bg8 {Hoping for Rf7+. White is more active.} Bd6 53. b5 Ra3 54. Rf7+ Kg5 (54... Ke5 $14) 55. Bh7 Ra2+ (55... Rb3 $16) 56. Kd3 $18 h5 57. Ke4 {Weighted Error Value: White=0.14 (very precise) /Black=0.19 (very precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.5"]
[White "Sangma, Rahul"]
[Black "Sethuraman, S.P."]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2286"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,7,7,2,8,0,13,0,0,-11,0,4,0,0,48,-22,-20,-19,-8,-15,-14,-18,0,0,0,28,38,-9,0,-16,-22,-8,-11,-125,-116,-97,-52,-67,-68,-84,-57,-268,-65,-152,-169,-151,-161,-372,-361,-666,-629,-681,-654,-29979,-29975,-29968,-29973,-29981,-29980]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 b6 5. Bb2 Bb7 6. Nc3 {A13: English Opening: 1...e6.} Nbd7 7. d4 Bd6 8. cxd5 {The position is equal.} exd5 9. Qc2 a6 10. g3 Qe7 11. Bg2 {[#]} O-O-O $146 (11... Ne4 $11 {should be considered.}) ({Predecessor:} 11... O-O 12. O-O Rfe8 13. Ne2 Rac8 14. Rad1 Ne4 15. Qb1 g5 16. Nc1 h5 17. Nd3 f6 {1-0 (44) Petrosyan,M (2581)-Haldorsen,B (2461) Manavgat 2018}) 12. O-O-O (12. a4 $14) 12... Kb8 $11 13. Kb1 $1 Rhe8 14. Rc1 $1 Ne4 15. Ne1 c5 16. Nd3 $1 g5 17. dxc5 bxc5 18. h4 (18. Rhd1 $14 {is superior.}) 18... h6 $1 19. hxg5 hxg5 20. Rcd1 f5 {[%cal Bf7f5,Bf5g4,Bg4g3][%mdl 32]} 21. g4 (21. Rh6 $11) 21... d4 $17 {Black is more active.} (21... fxg4 $6 22. Rh6 $15) 22. Na4 (22. Nxe4 fxe4 23. Nc1 d3 $19) 22... dxe3 ({Better is} 22... Ne5 $1 $17 {[%cal Re5d3] Hoping for ...Nxd3.} 23. Nxe5 (23. exd4 cxd4 24. Bxd4 Nxd3 $17) (23. gxf5 Nxd3 24. Rxd3 Nc3+ 25. Bxc3 Bxg2 $17) 23... Bxe5) 23. fxe3 $15 fxg4 24. Rh6 {[#]} g3 $1 25. Bh3 $2 {[#]} ({White should play} 25. a3 $1 $15) 25... Nf8 $2 ({Black should try} 25... Ndf6 $1 $19 {[%cal Rf6d5] Strongly threatening ...Nd5.} 26. Qe2 Rh8 27. Rxh8 Rxh8) 26. Rg1 (26. Bg2 $15) 26... g4 $36 {[%mdl 2048] White is under strong pressure.} 27. Bg2 Qg5 28. Rxd6 (28. Rgh1) 28... Rxd6 $19 29. Naxc5 $2 (29. Bc1) 29... Nxc5 30. Nxc5 {[#]} Qxe3 $1 31. Bxb7 {And now Rc1 would win.} (31. Rc1 Bxg2) 31... Qxg1+ {Black mates.} 32. Bc1 Rd1 33. Nxa6+ Ka7 {Weighted Error Value: White=0.58/Black=0.13 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.6"]
[White "Puranik, Abhimanyu"]
[Black "Jeet, Jain"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2618"]
[BlackElo "2279"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,10,10,17,10,0,0,0,0,0,0,0,0,5,39,30,30,4,31,33,33,33,36,0,36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,56,47,45,37,37,37,37,37,37,37,37,37,37,37,37,12,12,12,12,12,16,16,16,16,18,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O e6 6. c4 dxc4 7. Ne5 Bd7 8. Na3 {[%cal Bb1a3,Ba3c4,Bc4e5][%mdl 32]} cxd4 9. Naxc4 Be7 $1 {[%mdl 4] outshines the older 9...Bc5.} 10. Bf4 {E04: Open Catalan: 5 Nf3.} Rc8 11. Qb3 Nd5 12. Qxb7 Nxe5 13. Nxe5 {[#] Strongly threatening Rfc1.} Nxf4 14. gxf4 Rc7 15. Qe4 {[#]} f6 $146 (15... O-O {looks sharper.} 16. Rfc1 Bb5 17. Rxc7 Qxc7 18. a4 Ba6) ({Predecessor:} 15... Bc5 16. Rac1 Bb6 17. Nxd7 Rxd7 18. f5 O-O 19. fxe6 fxe6 20. Qxe6+ Kh8 21. Kh1 Rd6 22. Qe4 Rdf6 23. Rc6 Rxf2 24. Rxf2 Rxf2 25. Bh3 Rf8 26. Rc8 {½-½ (26) Sebenik,M (2504)-Drozdovskij,Y (2627) Rijeka 2010}) 16. Nxd7 Qxd7 17. Rac1 Rxc1 18. Rxc1 {[#] Threatens to win with Qa8+.} O-O {[%cal Bh8f8,Bf8c8,Bc8c1][%mdl 32]} 19. Rc6 Rc8 20. Rxe6 Rc1+ $1 21. Bf1 Kf7 22. f5 g6 $1 23. fxg6+ hxg6 24. Ra6 Qh3 {[%csl Gh3][%cal Rc1f1]} 25. Qd5+ Kg7 {[%csl Gh3][%cal Rc1f1]} 26. Qg2 Qh5 {Hoping for ...Qxe2.} 27. Re6 Kf7 28. Re4 f5 29. Rxd4 Qxe2 30. h4 Qe5 31. Rd7 a5 32. b3 Qe2 33. Rc7 Re1 34. Rc6 Qg4 (34... Qh5 $11) 35. Qxg4 $14 fxg4 {[%mdl 4096] Endgame KRB-KRB} 36. Rc4 Bxh4 37. Rxg4 Be7 38. Kg2 Ra1 39. Bc4+ Kf6 40. Re4 {[%cal Bg4e4,Be4e6,Be6c6,Bc6c8][%mdl 32] aiming for Re6+.} Bb4 41. Re6+ Kf5 42. Rc6 Rxa2 {The position is equal.} 43. Bd3+ Ke5 44. Bxg6 Be1 45. Bc2 Kd5 46. Rc8 Bb4 47. Bh7 Bc5 48. Bg8+ Kd6 49. Rf8 Rxf2+ 50. Rxf2 Bxf2 51. Kxf2 $11 {White threatens Ke3 and mate. KB-KP} Kc5 $1 52. Bh7 {Intending Ke3 and mate.} Kb4 53. Bc2 $1 {White wants to mate with Ke3.} Kc3 54. Bd1 Kd2 55. Bh5 {Be8 would kill now.} Kc2 56. Bf7 Kc3 57. Ke3 Kb4 58. Kd3 a4 59. bxa4 Kxa4 60. Kc2 {Weighted Error Value: White=0.03 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.7"]
[White "Ayushh Ravikumar"]
[Black "Gukesh D"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2269"]
[BlackElo "2614"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,23,33,27,16,24,38,24,36,38,34,0,0,0,0,-17,-29,-58,-22,-15,-20,-18,-20,-12,-15,-11,-15,-15,0,-15,-15,-15,-15,-60,-21,-25,-16,-18,-20,-23,-26,-44,-33,-85,-70,-110,-45,-40,-36,-187,-181,-182,-203,-200,-198,-150,-150,-1147,-1287,-1265,-1247,-1266,-1346,-1124,-1118,-1230,-1307,-1144,-1064,-1285,-1242,-12837,-12839,-12842,-12842,-12844,-12844,-12847,-12847,-12848,-12847,-12850,-27999,-27999,-27999]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 O-O 7. Rc1 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} h6 8. Bh4 c5 9. cxd5 {White is slightly better.} exd5 10. dxc5 Qa5 11. Bxf6 (11. Nd2 $5 {[%cal Ra2a3]}) 11... Nxf6 {[#]} 12. Bd3 $146 ({Predecessor:} 12. Qb3 Be6 13. Nd4 Ne4 14. c6 Bxc3+ 15. bxc3 bxc6 16. f3 Nc5 17. Qb4 Qb6 18. a4 {½-½ (46) Malmstroem,J-Vetter,U TSC corr 2002}) 12... Bxc3+ 13. bxc3 Qxa2 14. Nd4 Bd7 15. O-O Qa5 16. Nb3 Qc7 17. c4 $1 Ng4 {[%csl Gg4][%cal Rc7h2] [#]} 18. g3 dxc4 19. Bxc4 Ne5 20. Nd4 Nxc4 21. Rxc4 a5 22. Qc2 (22. Qd3 $11) 22... Rfc8 (22... b5 $5 {[%cal Rb5c4]} 23. cxb6 Qxb6 $15) 23. Rc1 Ra6 24. Qb3 a4 25. Qa3 Qe5 26. Rb1 Qd5 27. Rbc1 (27. Rc3 $1 $15) 27... Rf6 (27... Bh3 $6 28. f3 $11) 28. Qb2 {[#]} Re8 (28... Bh3 29. f3) ({Black should play} 28... b5 $1 $17 {[%cal Rb5c4]} 29. R4c2 Qe4) 29. R4c3 $15 h5 $40 {[%cal Oh5h4][%mdl 128] Black attacks.} 30. c6 $2 (30. h4 $1 $15) 30... Bxc6 $19 (30... bxc6 31. Rc5 Qe4 32. Qc2 $15) ({Weaker is} 30... Bh3 31. f3 bxc6 32. Rc5 $15) 31. Nxc6 Rxc6 ({Not} 31... bxc6 32. Rc4 $15) 32. Rxc6 bxc6 {[%mdl 4096] Endgame KQR-KQR} 33. Qb7 (33. Qa3 $19 Ra8 34. h4) 33... a3 $17 {[%cal Ba4a3,Ba3a2][%mdl 32] And now ...Rd8 would win.} 34. Qxc6 $2 {This move loses the game for White.} (34. Qa6 $17) 34... Qxc6 $19 35. Rxc6 $17 {KR-KR} Ra8 {White must now prevent ...a2.} ({Less strong is} 35... a2 36. Ra6 $16) 36. Rc1 a2 37. Ra1 f5 38. Kf1 Kf7 39. Ke2 Ke6 40. f3 Kd5 41. h3 Kc4 42. g4 hxg4 43. hxg4 fxg4 44. fxg4 Kc3 45. e4 Ra3 46. Rxa2 Rxa2+ 47. Ke3 Ra5 {Weighted Error Value: White=0.58/Black=0.05 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.8"]
[White "Aravindh, Chithambaram VR."]
[Black "Aaryan Varshney"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2611"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,117,35,39,8,37,27,18,27,61,55,65,87,85,86,76,79,81,91,79,83,89,85,158,166,144,83,88,74,87,58,86,79,132,124,147,149,158,155,171,171,171,171,162,156,338,210,250,164,161,0,236,128,126,127,131,106,124,98,310,318,351,332,675,664,668,662,652,648,695,689,643,618,714,710,910,689,910,937,1001,983,1347,1182,2565,5106,1462,1212,29989,29990,29990,29991,29991,29991,29989,29988,29993,29994,29998,29999]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. h3 O-O 9. Qc2 Re8 10. Nf3 h6 11. Bf4 Nf8 12. O-O-O {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Ne6 13. Be5 b5 14. Kb1 {The position is equal.} a5 15. g4 Ba6 16. Bxf6 Bxf6 17. h4 $1 {[%cal Og4g5]} b4 18. Na4 {And now Bxa6 would win.} Bxd3 19. Qxd3 g6 20. Rc1 Qd6 {[#]} 21. Nd2 $146 ({Predecessor:} 21. Rc2 Ra7 22. Rhc1 Rc8 23. h5 Kg7 24. hxg6 fxg6 25. Nd2 Rac7 26. Qa6 Qh2 27. Nb3 {1-0 (49) Roubalik,J (2307)-Uricar,J (2212) Czech Republic 2012}) 21... Nc7 (21... Nd8 $142) 22. Qc2 $16 Ra6 23. Nb3 ({White should play} 23. g5 hxg5 24. h5) 23... Nb5 24. h5 g5 25. Rhd1 Qe7 26. Qd3 Kg7 (26... Bg7 $142) 27. Rc2 Qd6 28. Rdc1 Rc8 29. Nd2 {[%cal Bb3d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32]} Kg8 30. Nf1 Bg7 {[#]} 31. Ng3 $1 Bf8 32. Nf5 Qf6 (32... Qe6 $16 33. f3 Re8) 33. f3 {[%cal Od3b5]} Rd8 34. Qf1 Re8 35. Qd3 (35. Qe2 $142) 35... Rd8 $1 $18 36. Qb3 ({Better is} 36. Nc5 $18 Rb6 37. Na4 Ra6) 36... Re8 {[#]} 37. Nc5 $1 $36 {[%mdl 2048] White is in control. Pair of Knights!} Ra7 38. Qa4 {[%cal Oc5d7] aiming for Nd7!} Rc8 39. Nd3 {[%cal Oa4b5] Hoping for Qxb5!} Rb7 (39... Rac7 $16 {was called for.}) 40. Qxa5 b3 41. axb3 Rcc7 $2 (41... Rbc7 42. Qa6 Qe6) 42. Qa8 Ra7 {[#]} 43. Rxc6 $1 {[%mdl 512]} Rxa8 44. Rxf6 {Active counter play!} Rca7 45. Rb6 Nc7 46. Kc2 Ne6 47. b4 Ra1 48. Nc5 Rxc1+ 49. Kxc1 Ra1+ 50. Kc2 Rf1 51. Rb8 Rxf3 52. Nd7 {b5 would kill now.} Rf2+ 53. Kb3 {Intending b5 and mate.} Rg2 54. b5 {White mates.} Rg1 55. b6 Rc1 56. b7 Rc7 57. Nxf8 Nxf8 {[#]} 58. Rxf8+ $1 Kxf8 (58... Kh7 59. Rh8+) 59. b8=Q+ {Weighted Error Value: White=0.20 (precise) /Black=0.34} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.9"]
[White "Mohamed Anees M"]
[Black "Aryan Chopra"]
[Result "0-1"]
[ECO "A64"]
[WhiteElo "2238"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,90,0,0,0,0,0,-3,-16,-15,-85,-108,-93,-81,-69,-87,-83,-77,-78,-77,-74,-64,-77,-84,-149,-148,-137,-77,-140,-22,-184,-196,-172,-42,-49,-61,-53,-30,-18,12,14,110,103,920,900,879,192,192,114,122,0,56,47,306,306,312,312,312,-8,-22,-1681,-1663,-1558,-1591,-1185,-1184,-1109,-1094]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 c5 7. d5 e6 8. O-O exd5 9. cxd5 Re8 10. Nd2 a6 11. a4 Nbd7 12. h3 Rb8 13. Nc4 Ne5 14. Nxe5 {A64: Modern Benoni: Fianchetto Variation: 9...Nbd7 10 Nd2 a6 11 a4 Re8.} Rxe5 15. e4 b5 16. axb5 {The position is equal.} axb5 {next ...b4 is good for Black.} 17. f4 (17. Qd3 $11 {keeps the balance.}) 17... Re8 $17 18. e5 dxe5 19. fxe5 Rxe5 20. Bf4 Nh5 $1 21. Bxe5 Bxe5 22. Qf3 f5 23. Ne2 $1 {[%cal Od5d6] [#]} Bxb2 $146 {A strong pair of Bishops.} ({Predecessor:} 23... Qd6 24. Ra5 b4 25. Rc1 Ba6 26. Rxa6 Qxa6 27. b3 Qd6 28. g4 fxg4 29. Qxg4 Re8 {0-1 (39) Bazeev,G (2339)-Levin,E (2508) St Petersburg 2013}) 24. Ra7 (24. d6 $142 Bxa1 25. Qd5+ Kg7 26. Rxa1) 24... Qb6 25. Re7 c4+ (25... Qd6 $142 26. Qe3 Bd7) 26. Kh1 (26. Qf2 $142 Qxf2+ 27. Kxf2) 26... Bf6 (26... Qd6 $17 27. Re8+ Kf7) 27. Re8+ (27. d6 $1 $11 Bxe7 28. Qd5+ Kg7 29. dxe7) 27... Kf7 $19 28. Re3 Qd6 (28... Ng7 $19 {...b4 is the strong threat.} 29. Nf4 Kg8) 29. g4 $15 Ng7 {Threatens to win with ...b4. Active counter play!} 30. Ng3 $1 b4 {White must now prevent ...b3.} 31. gxf5 gxf5 {Strongly threatening ...b3.} (31... Bxf5 $5 {[%cal Rb4b3]} 32. h4 Kg8 $11) 32. Nh5 Bd4 (32... b3 $1 $11) 33. Re4 $1 $16 Qg6 $2 {[%mdl 8192]} 34. Nxg7 $18 (34. Rxd4 Nxh5 35. Rb1 c3 $18) 34... Bxg7 35. Rxc4 $2 (35. Qf4 Qb6 36. Rxc4) 35... Be5 36. Rg4 ({White should try} 36. Re1 $1 $18 {[%cal Re1e5]} Bd6 37. Rec1) 36... Qf6 $16 {[#]} 37. Rc4 (37. d6 $1 $16 {Hoping for Qb3+.} Be6 38. Qc6) 37... b3 ({Black should play} 37... Qg6 $11) 38. Rc6 $14 ({Of course not} 38. Rxc8 Rxc8 39. Qxb3 (39. Qxf5 $2 Qxf5 40. Rxf5+ Bf6 $19) (39. Qh5+ $2 Qg6 $19) 39... Kg7 $11) 38... Bd6 $2 {[%mdl 8192]} ({Better is} 38... Qg5 $14) 39. Qh5+ $18 ({But not} 39. Rxc8 $2 Rxc8 40. Qxf5 Qxf5 41. Rxf5+ Ke7 $19) 39... Kg7 {And now ...b2 would win.} 40. Rg1 $1 {Threatening mate with Bf3+.} Bd7 {[#]} 41. Bf3+ $2 (41. Bf1+ $1 $18 Kh8 {[#]} 42. Rxd6 $1 {[%mdl 512]} Qxd6 43. Qf7) 41... Kh8 $11 {Really sharp!} 42. Rcc1 {[%mdl 8192]} (42. Rxd6 $11 Qxd6 43. Qh4) 42... Qb2 $19 {[%csl Gd6][%cal Rb2h2] Black is clearly winning.} 43. Be2 Qe5 {[%csl Gd6][%cal Re5h2]} 44. Rg2 {Prevents Qh2+.} b2 45. Rb1 Qe4 {Never resign too early!  Weighted Error Value: White=0.67/Black=0.42} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.10"]
[White "Lalith Babu M R"]
[Black "Bharat Kumar Reddy Poluri"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2563"]
[BlackElo "2263"]
[Annotator "ChessBase"]
[PlyCount "129"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:31:00]} e6 {[%emt 1:31:00]} 2. c4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 4. g3 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 5. Bg2 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 6. O-O {[%emt 0:00:30]} dxc4 {[%emt 0:00:30]} 7. Qc2 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 8. a4 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 9. Qxc4 {[%emt 0:00:30]} Bc6 {[%emt 0:00:30]} 10. Bg5 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 11. Nc3 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 12. Bxf6 {[%emt 0:00:30]} Nxf6 {[%emt 0:00:30]} 13. a5 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 14. Qd3 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 15. Bxf3 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 16. Qc4 {[%emt 0:00:30]} Qd6 {[%emt 0:00:30]} 17. e3 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 18. d5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:30]} 19. Nxd5 {[%emt 0:00:30]} Nxd5 {[%emt 0:00:30]} 20. Bxd5 {[%emt 0:00:30]} Rab8 {[%emt 0:00:30]} 21. Rfd1 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 22. axb6 {[%emt 0:00:30]} Qxb6 {[%emt 0:00:30]} 23. Rxa6 {[%emt 0:00:30]} Qxb2 {[%emt 0:00:30]} 24. Ra7 {[%emt 0:00:30]} Qb4 {[%emt 0:00:30]} 25. Qc7 {[%emt 0:00:30]} Bc5 {[%emt 0:00:30]} 26. Bxf7+ {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 27. Ra6 {[%emt 0:00:30]} Rb6 {[%emt 0:00:30]} 28. Rxb6 {[%emt 0:00:30]} Qxb6 {[%emt 0:00:30]} 29. Qxb6 {[%emt 0:00:30]} Bxb6 {[%emt 0:00:30]} 30. Rd7 {[%emt 0:00:30]} Bd8 {[%emt 0:00:30]} 31. h4 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 32. h5 {[%emt 0:00:30]} Bf6 {[%emt 0:00:30]} 33. Kf1 {[%emt 0:00:30]} Rd8 {[%emt 0:00:30]} 34. Rb7 {[%emt 0:00:30]} Rd2 {[%emt 0:00:30]} 35. Ke1 {[%emt 0:00:30]} Rc2 {[%emt 0:00:30]} 36. Bg6 {[%emt 0:00:30]} Ra2 {[%emt 0:00:30]} 37. Bb1 {[%emt 0:00:30]} Ra1 {[%emt 0:00:30]} 38. Ke2 {[%emt 0:00:30]} Kg8 {[%emt 0:00:30]} 39. Kf3 {[%emt 0:00:30]} Ra4 {[%emt 0:00:30]} 40. Bc2 {[%emt 0:00:30]} Ra8 {[%emt 0:00:30]} 41. Bb3+ {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 42. Ke4 {[%emt 0:00:30]} Rf8 {[%emt 0:00:30]} 43. Bf7 {[%emt 0:00:30]} Kg7 {[%emt 0:00:30]} 44. Bd5+ Kh8 {[%emt 0:00:30]} 45. g4 {[%emt 0:01:00]} Bg7 {[%emt 0:00:30]} 46. Bf7 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 47. Kf5 {[%emt 0:00:30]} Rd8 {[%emt 0:00:30]} 48. Ke6 {[%emt 0:00:30]} Rf8 {[%emt 0:00:30]} 49. Ke7 {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 50. Be6 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 51. Ra7 {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 52. Bd5 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 53. Ra8 {[%emt 0:00:30]} Rxa8 {[%emt 0:00:30]} 54. Bxa8 {[%emt 0:00:30]} Kg8 {[%emt 0:00:30]} 55. Bd5+ {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 56. Kf7 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 57. Be4+ {[%emt 0:00:30]} Kh8 58. Bc2 {[%emt 0:00:30]} e4 {[%emt 0:01:00]} 59. Bxe4 {[%emt 0:00:30]} Bc3 {[%emt 0:00:30]} 60. Bf5 {[%emt 0:00:30]} Be1 {[%emt 0:00:30]} 61. e4 {[%emt 0:00:30]} Bc3 {[%emt 0:00:30]} 62. Kg6 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 63. Be6 {[%emt 0:00:30]} Bf8 {[%emt 0:00:30]} 64. Bc4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 65. f3 {[%emt 0:00:30]} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.11"]
[White "Sengupta, Deep"]
[Black "Anadkat Kartavya"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2528"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,103,45,37,50,8,37,21,37,-8,20,0,0,-11,-11,-16,8,0,4,0,10,11,17,11,27,0,33,0,0,0,4,0,0,0,29,0,21,0,42,1,9,0,4,0,4,0,0,0,8,9,46,10,12,1,14,0,0,0,95,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 d6 4. c4 b6 5. Nc3 Bb7 6. e3 Nbd7 7. h3 g6 8. Be2 Bg7 9. Qc2 O-O 10. O-O Qe7 {E61: King's Indian: Early deviations for White, including Smyslov System.} 11. Bh2 (11. Rad1 $14) 11... e5 12. Rfd1 Rfe8 {[#]} 13. Nb5 $146 (13. dxe5 $14 Nxe5 14. Nxe5 dxe5 15. Bg3) ({Predecessor:} 13. Rac1 exd4 14. Nxd4 Nc5 15. Bf1 Nce4 16. Nxe4 Nxe4 17. Nb5 a6 18. Nd4 h5 19. Re1 {1-0 (87) Pham,L (2319)-Mikhalevski,V (2536) Berlin 2015}) 13... Rec8 14. Rac1 Ne4 15. dxe5 dxe5 16. Nd2 Nxd2 17. Rxd2 Nc5 18. Nc3 c6 19. Rcd1 {[#] Hoping for b4.} Rd8 20. a3 Ne6 21. Qa4 a6 22. Bf3 (22. Ne4 $5 {[%cal Ra4b3]}) 22... Rxd2 23. Rxd2 Rd8 24. Rxd8+ Qxd8 25. Qc2 {Inhibits Qd2.} f6 26. b4 Bf8 (26... Ng5 $5 {[%cal Rg5f3]}) 27. h4 Qd7 (27... a5 $11) 28. Bg3 (28. g4 $14 {deserves consideration.}) 28... a5 $11 29. Qb3 axb4 30. axb4 Kg7 31. Ne4 Be7 32. h5 b5 33. c5 Nc7 34. hxg6 (34. Ng5 {is interesting.} Bd8 35. Bg4 Qd5 36. Qxd5 cxd5 37. Ne6+) 34... hxg6 35. Qa3 Nd5 36. Nd2 Bc8 37. Qb2 Qc7 (37... Bd8 $11) 38. Ne4 (38. Bxd5 $16 cxd5 39. f4) 38... Be6 {The position is equal.} 39. Qa3 Qd7 40. Nc3 Nxc3 41. Qxc3 Bg4 42. Qc2 Bxf3 43. gxf3 Qd5 44. Kg2 Kf7 45. Qc3 Kg7 46. Qa3 Kf7 47. Qa8 e4 48. f4 Qd1 49. Qxc6 Qf3+ 50. Kg1 {[#] Threatens to win with Qd5+.} Qd1+ 51. Kg2 Qf3+ 52. Kg1 {Weighted Error Value: White=0.12 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.12"]
[White "Ravi, Thandalam Shanmugam"]
[Black "Visakh N R"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2236"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,131,4,10,0,13,8,51,58,58,6,10,-12,-8,-7,-8,-18,0,-18,0,0,0,0,0,0,0,0,0,-17,0,0,0,0,0,-12,0,0,0,0,12,0,0,-70,-70,-70,-58,-67,-66,-95,-95,-95,-95,-95,-95,-95,-95,-122,-95,-424,-410,-392,-391,-472,-575,-583,-572,-568,-459,-424,-425,-426,-416,-631,-624,-593,-445,-380,-426,-291,-26,-26,0,-620,-603,-447,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Be7 12. h3 h6 13. Bf4 {13.Bf4 is better than 13.Bh4. C47: Scotch Four Knights and Four Knights with 4 g3.} Nd7 14. Na4 Bf6 {[#]} (14... Nb6 $11 {might be stronger.} 15. Nxb6 axb6) 15. Rae1 $146 {White is slightly better.} ({Predecessor:} 15. c4 Ne5 16. Bxe5 Bxe5 17. Rac1 Be6 18. b3 Qd6 19. cxd5 cxd5 20. Nc5 Bd4 21. b4 {½-½ (59) Strange,M (2335)-Narciso Dublan,M (2551) Koge 2013}) 15... Nb6 16. Nc3 (16. Nc5 $1 $14) 16... Be6 $11 17. Be5 Bxe5 18. Rxe5 Nd7 19. Ree1 Nc5 20. b3 Re8 21. Ne2 Nxd3 22. Qxd3 Bd7 23. Nd4 Qa5 {[%csl LRa2,LRe1]} 24. Rxe8+ Rxe8 25. a4 Qb6 26. Nf3 Qb4 27. Rd1 Re4 28. Qd2 Qe7 29. Re1 c5 30. Rxe4 Qxe4 31. Qc3 Qe7 32. Qe5 (32. Ne1 $11) 32... Qxe5 $15 33. Nxe5 {[%mdl 4096] Endgame KB-KN} Bf5 34. c3 Bc2 35. Nd7 c4 ({Don't play} 35... Bxb3 $6 36. Nxc5 Ba2 37. f4 $11) 36. bxc4 Bxa4 37. Nc5 Bc6 38. cxd5 Bxd5 39. f3 f5 $1 40. f4 $2 {[%mdl 8192]} (40. Kf2 $17) 40... Kf7 $19 41. Kf2 Ke7 $1 42. g3 {[#]} Kd6 $1 43. Nd3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 44. Ke3 Bc4 45. Ne5 Kd5 46. Kd2 Bb5 47. h4 (47. Nf3 $142 Ke4 48. Ne5) 47... a4 48. Kc2 Be8 {White must now prevent ...Ke4.} 49. Kd3 Kc5 ({Stronger than} 49... a3 50. c4+ Kd6 51. Kc3 $17) 50. Kc2 {[#]} Bb5 $2 (50... Bh5 $1 $19 {[%cal Rh5e2] Black wants to play ...Be2.} 51. Kd2 a3) 51. Kb2 Kd5 {Hoping for ...Be8.} 52. Ka3 $2 {[%mdl 8192]} (52. Kc2 $11) 52... Be8 53. Kb4 g5 $2 ({Black should try} 53... Ke4 $19 54. c4 Kd4) 54. hxg5 $11 {The position is equal.} hxg5 55. c4+ Ke4 56. c5 gxf4 57. gxf4 Kxf4 58. Nc4 Bd7 59. Nd6 Bc6 60. Ka3 Ke5 {...f4 is the strong threat.} 61. Nxf5 Kxf5 62. Kb2 Ke4 63. Ka1 $1 Kd4 64. Kb2 Kd3 65. Ka1 Kc2 66. Ka2 {Weighted Error Value: White=0.33/Black=0.33} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.13"]
[White "Deepan Chakkravarthy J."]
[Black "Aradhya, Garg"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2520"]
[BlackElo "2236"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,95,18,6,23,-16,0,-5,-26,-21,-37,-93,-45,-54,-40,-51,-50,-68,-58,-97,-87,-87,-97,-93,-113,-126,-81,-114,-125,-112,-120,-121,-4,-4,-4,0,0,0,0,-5,0,0,0,0,0,0,0,-8,-8,-15,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,-20,-14,-25,-25,-25,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 dxe3 5. fxe3 cxb4 6. d4 g6 {A09: Réti Opening: 1 Nf3 d5 2 c4.} 7. Bd3 {[%mdl 1024] White has compensation.} Bg7 {[%cal Oe7e5]} 8. O-O Nh6 9. Nbd2 O-O {[%cal Oe7e5] [#]} 10. Rb1 $146 (10. a3 $15) ({Predecessor:} 10. Bb2 e5 11. Qb3 Ng4 12. Nxe5 Nxe5 13. dxe5 Nc6 14. Nf3 Qe7 15. a3 Nxe5 16. Bxe5 Bxe5 17. Nxe5 Qxe5 18. axb4 Qxe3+ {½-½ (68) Baramidze,D (2528)-Meister,P (2407) Bad Liebenzell 2010}) 10... a5 (10... e5 $1 $17 {[%cal Re5d4]} 11. d5 (11. Rxb4 exd4 12. Nb3 Qe7 $17) 11... a5) 11. Qe2 Nd7 12. a3 e5 13. axb4 axb4 14. Rxb4 {[#]} exd4 $1 15. exd4 {[#]} Re8 16. Qd1 {[#]} Nc5 {Prevents Ne4.} 17. Nb3 (17. dxc5 Qxd3) 17... Nxb3 (17... Nxd3 $142 18. Qxd3 Ra2) 18. Bxh6 Nxd4 ({And not} 18... Bxh6 19. Qxb3 Re3 20. c5 $15) 19. Bxg7 Kxg7 20. c5 Bg4 21. Rxd4 $11 {[#]} Qxd4+ 22. Nxd4 Bxd1 23. Rxd1 Re5 24. Nb3 Rd5 25. Be2 Rxd1+ 26. Bxd1 Kf6 27. Bf3 Ra7 28. Bd5 Ke5 29. Bxf7 b6 (29... b5 $5 30. Be8 Ra3 $11) 30. Bg8 Rg7 {Strongly threatening ...b5.} (30... b5 $5 31. Nd2 Kd4 $11) 31. Bc4 bxc5 32. Kf2 ({Of course not} 32. Nxc5 Rc7 33. Bg8 (33. Nd3+ $2 Kd4 $19) 33... Rxc5 34. Bxh7 Rc6 $17) 32... Ra7 33. Ke3 ({Don't blunder} 33. Nxc5 $2 Kd4 34. Be2 Kxc5 $19) 33... Ra2 34. Nd2 Ra8 35. h4 Kf5 36. Be2 Ra3+ 37. Kf2 Ra2 38. Ke3 Ra3+ 39. Kf2 Kf4 40. Bf3 Ra2 41. g3+ Ke5 42. Ke1 c4 43. Nxc4+ {The position is equal.} Kd4 44. Be2 Rxe2+ {[%mdl 64] Remove Defender} 45. Kxe2 {Threatening mate with Ne3.} Kxc4 46. Ke3 Kd5 47. Kf4 h6 48. h5 {Weighted Error Value: White=0.07 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.25"]
[Round "2.14"]
[White "Wagh Suyog"]
[Black "Iniyan, P."]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2232"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,10,6,0,8,6,12,17,0,0,0,34,0,0,0,88,88,94,77,106,75,126,114,116,120,139,131,181,178,166,165,435,399,430,412,381,375,367,340,399,414,750,515,775,743,787,783,1918,1067,1063,1043,1043,461,459,448,454,447,432,438,687,687,1451,1133,1072,1069,1026,1016,12839,5147]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 8. cxd5 exd5 9. Bg2 O-O 10. O-O Nbd7 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 11. a3 Re8 12. b4 c6 {[#] The position is equal.} 13. Re1 $146 ({Predecessor:} 13. Qa4 Bb7 14. Qc2 h6 15. e3 Bd6 16. Rfc1 Rc8 17. Nh4 Bf8 18. Be1 b5 19. Nf3 {½-½ (28) Even,R (2460)-Koentges,M (2394) GER email 2019}) 13... Bc4 14. Qb1 c5 15. dxc5 bxc5 16. e4 a5 (16... dxe4 $1 $11 {keeps the balance.} 17. Nxe4 Rc8) 17. bxa5 $1 $16 {Black is on the road to losing.} Rb8 18. Qc1 {Strongly threatening Nxd5.} d4 19. Na4 {[%cal Bc3a4,Ba4b2,Bb2c4,Bc4d2][%mdl 32]} Bb5 (19... Bb3 $142) 20. Nb2 $1 {White is more active.} Bc6 {[#]} 21. e5 Ne4 {[#]} 22. Nc4 {[%cal Oe5e6] And now e6! would win.} (22. Nxd4 cxd4 23. Bxe4 Bxe4 24. Rxe4 Nc5 $17) 22... f5 (22... Nxd2 $16 {is a better defense.} 23. Nfxd2 Qc7) 23. exf6 $18 Bxf6 24. Bf4 $36 {[%mdl 2048] White has strong initiative.} Rb3 (24... Rc8 {might work better.}) 25. Nfd2 Rc3 26. Qb2 Nxd2 27. Nxd2 Bxg2 28. Kxg2 g5 29. Bd6 {Black must now prevent Qb7.} d3 (29... Be5 $142 30. Qa2+ Kg7) 30. Qb7 {White is clearly winning.} Rxe1 (30... Rc2 $142) 31. Rxe1 Rxa3 32. a6 Bc3 33. Qd5+ Kh8 {[#]} 34. Qf7 $1 Nf6 {Prevents Re8+.} (34... Qa8+ 35. f3) 35. Re7 Qg8 {[#]} 36. a7 Qxf7 37. Rxf7 Bxd2 38. Bxc5 ({Stronger than} 38. Rxf6 Rxa7 39. Bxc5 Rd7 $15) 38... Ra2 (38... Rxa7 $142 39. Rxa7 Bc3) 39. Rxf6 Kg7 40. Bd4 {Intending Ra6+ and mate.} Kg8 41. Rc6 Kf7 42. Rc8 Bc1 43. Rxc1 {Weighted Error Value: White=0.15 (very precise) /Black=0.49} (43. Rc7+ $142 Ke6 44. Rxc1) 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.1"]
[White "Adhiban, B.."]
[Black "Koustav Chatterjee"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2648"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,145,26,0,0,0,0,-8,0,0,0,6,4,0,1,11,8,7,4,0,10,0,0,0,33,-9,0,0,0,0,0,-6,-2,-9,0,-12,11,14,20,3,2,10,14,11,29,29,53,52,53,52,53,43,50,26,27,26,26,26,26,20,20,20,20,20,20,9,12,12,21,5,11,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,0,5,0,11,16,14,14,16,11,12,4,9,0,12,12,14,12,14,14,15,12,23,23,42,42,42,8,8,0,18,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. d4 cxd4 {A13: English Opening: 1...e6.} 8. Nxd4 Bb4+ 9. Bc3 $1 Bd6 10. Nd2 O-O 11. Be2 Re8 12. O-O {[#]} Bc7 $146 ({Predecessor:} 12... Nxd4 13. Bxd4 Bf5 14. a3 a6 15. b4 Rc8 16. Qb3 h6 17. Rfc1 Ne4 18. Nxe4 dxe4 {1-0 (40) Nakamura,H (2736)-Gavrilescu,D (2470) Chess.com INT 2021}) 13. Rc1 Qd6 {[%csl Gc7][%cal Rd6h2]} 14. N2f3 {Strongly threatening Nb5.} a6 {To avoid Nb5} 15. Nxc6 bxc6 16. Bxf6 Qxf6 17. Qd4 {aiming for Qxf6.} Qh6 18. Bd3 (18. g3 $14 {should be considered.}) 18... a5 19. Qh4 Qxh4 20. Nxh4 {[%cal Bf3h4,Bh4f5,Bf5d4,Bd4b5,Bb5d6][%mdl 32]} Bb7 21. g3 Bd6 22. Nf5 Bf8 23. Nd4 Rec8 {[%cal Be8c8,Bc8c7,Bc7e7][%mdl 32]} (23... c5 $5 {[%cal Rc5d4]} 24. Nb5 Red8 $11) 24. Bf5 Rc7 25. Rfd1 {[%cal Od4b5]} a4 {[#]} 26. Nb5 $1 Re7 27. Nd6 axb3 28. axb3 Rd8 29. Nxb7 Rxb7 30. Rxc6 Rxb3 31. Rc7 Rb6 32. Rd7 Rd6 33. Rxd8 Rxd8 $11 {[%mdl 4096] Endgame [#] KRB-KRB} 34. Be4 $1 d4 35. exd4 Bc5 36. d5 g6 37. Kg2 Kg7 38. g4 Bd6 39. Ra1 Rb8 40. Ra2 h6 41. h4 Rb4 42. Bf3 Be7 43. h5 gxh5 44. gxh5 Rd4 45. Re2 Bd6 46. Rb2 Be7 47. Ra2 Bd6 48. Re2 Bc5 49. Be4 Bd6 50. Kf3 f5 51. Bb1 Rxd5 52. Re6 Bc5 53. Rg6+ Kh7 54. Ra6 Kg7 55. Rg6+ Kh7 56. Rc6 Bd6 57. Ba2 Rd4 58. Ke3 Re4+ 59. Kd3 Bf4 60. Rf6 Bg5 61. Rf7+ Kh8 62. Bd5 Rh4 {The position is equal.} 63. Bf3 Kg8 64. Ra7 Rh2 65. Ra2 Bh4 66. Bd5+ Kf8 67. Ra6 Bg5 68. f4 Bxf4 69. Rf6+ Ke7 70. Rxf5 Bg5 71. Bf3 Rh4 72. Ra5 Kf6 73. Ra6+ {Weighted Error Value: White=0.05 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.2"]
[White "Das, Sayantan"]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2459"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,122,58,50,56,66,58,54,31,65,50,43,-12,-11,-11,12,-22,-23,-29,-22,-25,-18,-23,-24,-26,-26,-34,-30,-45,-27,-40,-38,-31,-26,-94,-94,-100,-10,-6,0,0,0,0,0,0,0,0,0,0,-6,-5,-4,0,0,-37,-20,-35,-34,-65,-65,-51,-18,-65,-65,-65,-65,-218,-65,-322,-315,-472,-425,-2074,-65,-71,-8,-9,0,-4,-7,-5,-11,-10,0,-86,-72,-144,-145,-143,-147,-465,-454,-377,-365,-1526,-180,-728,-722,-1033,-961,-927,-908,-12835,-483,-12836,-10656,-12839,-12839,-12840,-12840,-12844,-12844,-29989,-1008,-29990,-29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. d4 exd4 6. e5 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann.} b5 $1 {[%mdl 4] is recently more successful than 6...Bc5.} 7. Bb3 Bb7 8. O-O {White is slightly better.} Na5 $1 9. Nxd4 c5 10. Bxg8 ({Better is} 10. Nxf5 $14 c4 11. Qg4 $1) 10... cxd4 $11 11. Bb3 {[#]} Qb6 $146 ({Predecessor:} 11... Nxb3 12. axb3 Qb6 13. c3 dxc3 14. Nxc3 Bc5 15. Qh5+ g6 16. Qh3 O-O 17. Bf4 Rf7 {1-0 (58) Ter Sahakyan,S (2617)-Mikaelyan,A (2476) Yerevan 2020}) 12. c3 Bc5 13. cxd4 Bxd4 {[%cal Ob6g6] ...Qg6! is the strong threat.} 14. Nd2 $1 Nxb3 $40 {[%mdl 128] White needs to defend precisely.} 15. Qxb3 Qe6 16. Re1 Rc8 17. Qxe6+ dxe6 18. Nb3 Bb6 {A strong pair of Bishops.} 19. Be3 Bxe3 20. Rxe3 Ke7 21. Nd4 {Prevents Rc2.} (21. h4 $11) 21... Rhd8 $17 22. Rd3 Rd5 (22... f4 $17 23. f3 Rd5) 23. f4 $1 $11 Rdc5 24. Rad1 Be4 25. R3d2 g5 26. Ne2 {And now Rd7+ would win.} Rd5 {Prevents Rd7+. Active counter play!} 27. fxg5 {Hoping for Nf4.} Rc2 28. Nd4 Rxd2 29. Rxd2 Rxe5 {[%mdl 4096] Endgame KRB-KRN} 30. Kf2 Rc5 31. Ne2 e5 32. g3 b4 33. Ke3 {[%cal Og3g4]} Bd5 34. Nc1 Kd6 ({Much weaker is} 34... Rxc1 35. Rxd5 Ke6 36. Ra5 $11) (34... Ke6 $5 {[%cal Rc5c1]} 35. Nb3 Rc4 $17) 35. Ne2 (35. Nd3 $1 $11 Rc4 36. b3) 35... a5 $15 36. b3 Ke6 37. Rb2 $2 {[#]} (37. h4 $15) 37... Bc6 $2 (37... Kf7 $1 $19 {Strongly threatening ...Kg6.} 38. Rd2 Kg6) 38. Rb1 $2 {[%mdl 8192]} (38. Rd2 $15) 38... Bb5 $19 {Threatens to win with ...Rc2.} 39. Rd1 (39. Rb2 $142 Rc7 40. Rd2) 39... Rc2 {[%csl LRa2,LRe2]} 40. Rd2 (40. Nc1 $142) 40... Rc8 $2 (40... Rxd2 $19 41. Kxd2 Kf7) 41. Kf2 $15 Ra8 (41... Be8 $17) 42. Rc2 $1 $11 a4 (42... Bd3 $5 {[%cal Rd3c2]} 43. Rc7 Bb1 $11) 43. bxa4 Rxa4 44. Nc1 {Prevents Bd3.} Ra3 45. Rb2 Bc4 46. Nb3 (46. Rxb4 $11 {remains equal.} Bxa2 47. Rh4) 46... e4 $17 {Black continues to play with concentration.} 47. Ke3 (47. h4 $142) 47... Ke5 48. h4 {[#]} Bf7 $1 49. Ke2 $2 {[%mdl 8192]} (49. Kf2 $17) 49... f4 $19 50. gxf4+ Kxf4 {White must now prevent ...Bc4+.} 51. Ke1 $2 (51. g6 Bxg6 52. Kd2) 51... Bh5 $2 (51... Bxb3 52. axb3 Ra1+ 53. Ke2 Rh1) 52. Nc5 $2 (52. Kf2) 52... Rc3 53. Ne6+ Ke3 {[%cal Rc3c1]} 54. Kf1 Bg4 55. Ng7 Rc1+ 56. Kg2 Kf4 57. Rxb4 Rc2+ 58. Kf1 Kf3 {[%cal Rc2c1]} 59. Kg1 e3 {( -> ...Rg2+)} 60. Rb3 Rc1+ 61. Kh2 Kf2 {Weighted Error Value: White=0.89/Black=0.33} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.3"]
[White "Gupta, Abhijeet"]
[Black "Shyaamnikhil P"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2628"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,33,34,22,65,56,51,37,47,45,38,16,64,59,75,47,115,111,108,96,138,104,221,198,220,220,261,247,244,248,319,351,483,513,534,537,713,705,851,600,725,708]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. Nf3 d6 5. a3 Bxd2+ 6. Qxd2 {A40: Unusual replies to 1 d4.} Nd7 (6... Qe7 $11 {was preferrable.}) 7. Nc3 $14 {[#]} Ne7 $146 ({Predecessor:} 7... Ngf6 8. g4 O-O 9. g5 Nh5 10. O-O-O f5 11. Qe3 Re8 12. h4 a4 13. Qd2 b6 {1-0 (42) Indjic,A (2539)-Sedlak,N (2554) Belgrade 2014}) 8. e3 {White is slightly better.} b6 9. Bd3 Bb7 10. O-O-O Qb8 (10... d5 $11 {is superior.}) 11. e4 e5 12. Nd5 (12. Qg5 $5 {[%cal Rg5g7]} Ng6 13. h4 $14) 12... Ng6 ({Better is} 12... Qd8 $14) 13. h4 $16 h5 14. Bc2 {White is much more active. Black has bad knights.} (14. dxe5 {feels hotter.} Ndxe5 15. Nxe5 Nxe5 16. Qg5 Bxd5 17. Qxg7 Ke7 18. exd5 Qg8 19. Qg5+) 14... Qd8 (14... c6 $142) 15. Ng5 Ngf8 (15... exd4 $16 16. Qxd4 O-O) 16. f4 $18 f6 17. Nf3 {Threatens to win with dxe5.} Ne6 18. dxe5 dxe5 19. fxe5 Nxe5 20. Qc3 Nxf3 21. Qxf3 {White is clearly winning.} c6 {[#]} 22. Qe3 $1 Nc5 (22... O-O 23. Nxb6) 23. Nf4 Qc7 24. e5 {And now exf6+ would win.} Qxe5 25. Qf3 {Weighted Error Value: White=0.23 (precise) /Black=0.40} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.4"]
[White "Laxman, R.R."]
[Black "Karthikeyan, Murali"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "2429"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,9,16,0,0,-4,18,9,29,21,28,19,27,20,62,64,63,8,8,9,24,24,41,31,49,27,60,29,172,42,41,39,50,37,42,33,50,37,37,0,38,0,39,0,55,0,40]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 O-O 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Be2 {D60: Queen's Gambit Declined: Classical: Unusual White 7th moves.} Nxc3 10. bxc3 c5 11. O-O e5 12. a4 b6 13. a5 {next axb6 is good for White.} Bb7 14. Qb3 Rab8 (14... cxd4 $11 15. cxd4 exd4) 15. axb6 $14 axb6 {[#]} 16. Qb5 $146 {White is more active.} (16. d5 $14) ({Predecessor:} 16. d5 e4 17. Nd2 Qe5 18. c4 f5 19. Ra7 Rf6 20. f4 exf3 21. Nxf3 Qe7 22. Qc3 {1-0 (35) Gavrilov,A (2456)-Chudinovskih,A (2258) Prague 2016}) 16... exd4 17. cxd4 cxd4 18. Nxd4 Ne5 19. Ra7 Qf6 (19... Qg5 $2 20. Rxb7 $1 {[%mdl 512]} (20. g3 Nf3+ 21. Bxf3 Qxb5 $14) 20... Rxb7 21. f4 $18) 20. Rc1 {Strongly threatening f4.} Be4 21. f3 (21. Rac7 {is more complex.} Rbe8 22. Bf1 Qg6 23. h3 Nf3+ 24. Nxf3 Bxf3 25. R7c4) 21... Ra8 {[#]} 22. Rxa8 (22. Rac7 $1 $18 Ra5 23. Qb4) 22... Bxa8 23. Rb1 Rb8 24. Bf1 h5 25. h3 h4 26. Rc1 {[%cal Oc1c5]} Rd8 27. Rb1 Rb8 $1 28. Rc1 {[%cal Oc1c5] Prevents Bc6.} Rd8 29. Rb1 Rb8 $1 30. Rc1 {[%cal Oc1c5]} Rd8 {Weighted Error Value: White=0.25 (precise) /Black=0.20 (precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.5"]
[White "Sethuraman, S.P."]
[Black "Srijit Paul"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2619"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,120,22,32,18,18,16,43,41,57,58,64,41,49,56,54,63,53,50,118,89,93,90,99,100,99,17,28,15,22,18,12,22,7,0,10,10,15,10,10,15,6,8,10,10,10,15,24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,8,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. Nd2 Bg5 7. h4 Bh6 $1 {7...Bh6 is better than 7...Bxd2+.} 8. Nf1 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} (8. Qh5 {seems wilder.} g6 9. Qd1 Nf6 10. Nd5 Be6 11. c3) 8... Bxc1 9. Qxc1 Be6 {[#]} 10. Qg5 $146 {White is slightly better.} ({Predecessor:} 10. Nd5 Bxd5 11. Bxd5 Nge7 12. Ne3 Nxd5 13. Nxd5 O-O 14. g4 Ne7 15. Nxe7+ Qxe7 16. c4 a6 {½-½ (16) Blimke,D (2150)-Romaszko,S (2050) Brzeg Dolny 1996}) 10... Qf6 11. Ne3 h6 12. Qg3 {[#] Strongly threatening Ned5. White is more active.} Nge7 13. Ned5 Bxd5 14. exd5 Nd4 15. Ne4 Qf4 (15... Nxc2+ $2 16. Kd1 Qg6 17. Qxg6 fxg6 18. Kxc2 $18 (18. Bb5+ Kd8 $18)) ({Black should try} 15... Qg6 $1 $14) 16. Nxd6+ Kd7 {aiming for ...Qxg3.} 17. Qxf4 {The board is on fire.} exf4 18. Nxf7 Rhf8 {[#]} 19. d6 ({Not} 19. Ne5+ Kd6 20. O-O-O Kxe5 $17) (19. O-O-O $1 $16) 19... Nec6 $1 $11 ({But not} 19... Nxc2+ 20. Kd2 Nc6 21. Kxc2 $16) 20. O-O-O Rae8 $1 21. Rhe1 b5 $1 22. Bd5 {With the idea Kd2.} Nb4 {[%csl LRc2,LRd5]} 23. c3 Nxd5 {Pair of Knights!} 24. Ne5+ $1 Kxd6 25. cxd4 cxd4 26. Nf3 Rxe1 27. Rxe1 {[%mdl 4096] Endgame KRN-KRN} Nb4 {[%csl LRa2,LRd3]} 28. Kd2 Nc6 29. Re4 Kd5 30. h5 Rf5 {The position is equal.} 31. Nh4 Rxh5 32. Ng6 Rh2 {[%cal Of4f3] And now ...f3! would win.} 33. Nxf4+ Kc5 $1 34. Ne6+ Kd5 35. Nf4+ Kc5 $1 36. Ne6+ Kd5 37. Re2 g5 38. f4 gxf4 39. Nxf4+ Kc5 40. Re6 Rh1 41. Rf6 a5 42. Rf5+ Kb6 $1 43. a3 b4 44. a4 b3 45. Rb5+ Ka7 46. Rxb3 Nb4 47. Ne6 Rh2 48. Nf4 Rh4 49. Ne2 Rh2 50. g3 Rf2 51. Ra3 Rf3 52. g4 Rf2 53. Ra1 Rf3 54. Ra3 Rf2 55. Ra1 Rf3 56. Rh1 Rxd3+ 57. Kc1 Na2+ 58. Kc2 Nb4+ 59. Kc1 Na2+ 60. Kc2 Nb4+ {Weighted Error Value: White=0.06 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.6"]
[White "Gukesh D"]
[Black "Sammed Jaykumar, Shete"]
[Result "1-0"]
[ECO "E28"]
[WhiteElo "2614"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,91,-8,-46,0,-20,-16,-12,-4,-12,10,0,29,20,51,43,62,39,197,196,177,175,175,170,166,165,170,147,156,114,128,92,146,120,131,132,118,110,193,138,486,346,386,283,329,278,278,278,278,278,400,403,398,393,379,367,381,377,449,395,1066,1075,1072,1064,985,950,858,779,976,528,942,901,1813,1521,1729,1697,1736,1587,3605,3041]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 d6 7. Bd3 e5 8. Ne2 Re8 {E28: Nimzo-Indian: Sämisch: 5...0-0 6 e3.} (8... e4 $5 {[%cal Re4d3]} 9. Bc2 Nc6 $11) 9. O-O Nc6 10. f3 b6 {The position is equal.} 11. e4 h6 {To avoid Bg5} 12. Be3 Na5 13. Ng3 Ba6 14. Qe2 $1 {[#]} Qd7 $146 ({Predecessor:} 14... c5 15. d5 Qd7 16. Nf5 Rad8 17. Bxh6 gxh6 18. Qe3 Nh7 19. Qxh6 f6 20. f4 Kh8 {1-0 (39) Umetsubo,C (2365)-Franca,W (1985) Florianopolis 2014}) 15. Nf5 Kh7 $2 (15... Qd8 $14) 16. f4 $1 $18 {aiming for fxe5.} Ng8 17. fxe5 (17. Qg4 $6 f6 $14) 17... dxe5 {[#]} 18. Rf3 $1 {Strongly threatening Rg3.} (18. Qg4 $6 f6 $16) 18... Re6 {[#]} 19. Raf1 $1 Rf8 20. d5 Rg6 21. Nh4 {White is more active.} (21. h4 $142) 21... Rg4 $16 22. g3 {[%cal Bg2g3,Bg3h4,Bh4h5][%mdl 32]} c5 (22... Qe7 $142) 23. h3 Rxh4 24. gxh4 f6 25. Rg3 Qf7 (25... Rf7 $16 {was worth a try.} 26. Kh2 (26. Qh5 Bxc4 27. Bc1 Bxd3 $16) 26... Qe7) 26. Kh2 ({Better is} 26. Kh1 $18) 26... Ne7 $2 {[%mdl 8192]} (26... Qe7 $16 27. Rfg1 Rf7) 27. Rfg1 Rg8 28. h5 Nb7 29. a4 Nd6 30. a5 Qf8 31. Qa2 {Threatens to win with axb6.} Bc8 (31... Bb7 {was necessary.} 32. Qb2 Qd8) 32. axb6 $18 axb6 33. Qa7 Qd8 34. Rb1 f5 35. Qxb6 f4 36. Rg6 Nb7 {[#]} (36... Nxg6 37. hxg6+ (37. Bxc5 $2 Qh4 $19) 37... Kxg6 38. Qxd8 (38. Bxc5 Qh4 $14) 38... Rxd8) 37. Bxf4 $1 {White is clearly winning.} exf4 38. e5 {[%csl Gb6][%cal Rg6h6]} Bf5 39. Bxf5 ({Inferior is} 39. Qxb7 Bxd3 40. Rg4 Nf5 $17) 39... Nxf5 40. Qxb7 Qh4 41. d6 Qxh5 42. Rg4 {[%cal Bg6g4,Bg4f4,Bf4f2][%mdl 32]} Kh8 43. Qe4 Ne3 44. Rxf4 Qe2+ 45. Kg1 {Black must now prevent e6.} Qd2 46. Rf2 {Weighted Error Value: White=0.27 (precise) /Black=0.45} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.7"]
[White "Shahil Dey"]
[Black "Aravindh, Chithambaram VR."]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2400"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,125,32,18,19,22,16,9,29,29,45,35,61,59,68,55,75,25,31,34,38,25,35,0,0,0,0,0,0,0,39,43,40,55,46,48,54,14,37,47,38,0,0,0,0,0,0,-7,-2,-7,0,-2,-2,-9,-6,-9,-6,-96,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ned2 g6 {B17: Caro-Kann: Modern Line (4...Nd7).} 7. g3 Bg7 8. Bg2 O-O {The position is equal.} 9. O-O Nb6 {[#]} 10. b3 $146 ({Predecessor:} 10. Re1 Bg4 11. h3 Bxf3 12. Nxf3 e6 13. c3 Nbd5 14. Bd2 Qc7 15. b4 Rfd8 16. Qb3 {0-1 (44) Vaibhav,S (2521)-Burmakin,V (2593) Abu Dhabi 2014}) 10... Qc7 11. Bb2 c5 12. c4 cxd4 13. Bxd4 (13. Nxd4 $16 Qc5 14. N2f3) 13... Bf5 $11 14. Qe2 Rad8 15. Rfe1 (15. h3 {looks sharper.} Rfe8 16. g4 Bd7 17. Rfe1 Bc6 18. Rad1) 15... Rfe8 16. Qe5 (16. Bb2 {is interesting.} e5 17. Nf1 Nbd7 18. Ne3 Be4 19. Rad1) 16... Qxe5 17. Bxe5 (17. Rxe5 Ng4 18. Rxf5 gxf5 19. Bxg7 Kxg7 $17) 17... Nbd7 {[%cal Bb6d7,Bd7c5,Bc5d3][%mdl 32]} 18. Bd4 e5 19. Bc3 Nc5 {[#] And now ...e4 would win.} 20. Rxe5 (20. Nxe5 Ng4 21. f4 Nxe5 22. fxe5 Rd3 $17) (20. Bxe5 Nd3 21. Nf1 Be4 $17) 20... Rxe5 21. Bxe5 ({Of course not} 21. Nxe5 Ng4 22. Ndf3 {[#]} Nxf2 $1 $15) 21... Nd3 22. Bd4 b6 23. a3 g5 24. Rf1 h6 25. b4 Be6 26. Ba1 Ng4 27. Bxg7 Kxg7 28. h3 Nge5 29. Rb1 Bxc4 30. Nxe5 Nxe5 31. Nxc4 Nxc4 {[%mdl 4096] Endgame KRB-KRN} 32. a4 Rd4 33. Bf1 (33. a5 $11) 33... Nd6 (33... Nd2 $17 34. Rb2 Nxf1 35. Kxf1 Rd1+ 36. Ke2 Ra1) 34. a5 Kf6 35. axb6 axb6 36. b5 Ne4 37. Rc1 Nc5 38. Re1 Ne6 39. Rc1 Rd6 40. Rc8 Ke5 41. Bc4 Nd4 42. Re8+ Kf6 43. Kg2 Ne6 44. Rh8 Kg7 45. Rc8 Kf6 46. Rh8 Rd8 47. Rxd8 ({But not} 47. Rxh6+ Kg7 48. Rh5 Kg6 49. Bxe6 Kxh5 50. Bxf7+ Kh6 $15) 47... Nxd8 {KB-KN} 48. Kf3 Nb7 49. h4 Nd6 50. hxg5+ hxg5 51. Bd3 Ke5 52. Kg4 f6 53. Bf1 Ne4 54. f4+ gxf4 55. gxf4+ Kd4 56. Bg2 Nd6 57. Bc6 Ke3 58. Bd7 Ke4 59. Bc6+ $1 Kd4 60. Kh5 Ke3 61. Kg6 Kxf4 $2 {[%mdl 8192]} (61... f5 $11 62. Kg5 Kd4) 62. Kxf6 Nxb5 63. Bxb5 {[%mdl 32768] Weighted Error Value: White=0.07 (flawless) /Black=0.05 (flawless) . An unexpected result.} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.8"]
[White "Aryan Chopra"]
[Black "Anuj Shrivatri"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2585"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,2,7,6,9,12,14,0,20,12,8,9,9,15,15,11,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,20,10,10,16,14,53,142,129,175,172,185,162,296,270,267,59,36,11,275,270,414,405,429,160,446,432,893,891,845,879,893,885,820,801]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 {A28: English Opening: Four Knights Variation.} Bc5 7. b4 Bb6 8. Na4 {The position is equal.} Bg4 9. Be2 Bxf3 10. Bxf3 Bd4 11. Rb1 Nd7 {[#]} 12. O-O $146 ({Predecessor:} 12. Bd2 Nf8 13. Nc3 Ne6 14. O-O a5 15. Bg4 axb4 16. axb4 O-O 17. Kh1 Ne7 18. Ne2 {½-½ (46) Gelfand,B (2655)-Deac,B (2609) Skopje 2019}) 12... Nf8 13. b5 Nb8 14. Be3 {aiming for Bxd4.} Ne6 15. Bg4 Bxe3 16. fxe3 {[%cal Of1f7]} O-O 17. Nc3 {[%cal Ba4c3,Bc3d5,Bd5b6,Bb6c8,Bc8d6][%mdl 32]} Nd7 18. a4 a6 19. bxa6 bxa6 20. a5 Ndc5 21. Nd5 c6 22. Nb6 Ra7 23. Bf5 Qg5 {[#]} ({Black should play} 23... Qh4 $14) 24. Rf3 $1 $16 Nd8 (24... Qe7 $16) 25. Nc8 $18 Rc7 26. Nxd6 Nce6 (26... g6 {was worth a try.}) 27. Rg3 Qf6 {[#]} 28. Qh5 (28. c5 $1 $18) 28... g6 $14 29. Rf1 {[%cal Of5g6] Strongly threatening Bxg6!} Ng7 $2 {[%mdl 8192] Black cannot hold the game after this.} (29... Nf4 $1 $11 30. Qg4 (30. exf4 exf4 31. Rxf4 Qxd6 $11) 30... Qxd6 31. exf4 c5) 30. Qh6 $18 {[%cal Of5g6] Threatens to win with Bxg6!} Qxd6 (30... Nh5 $142 31. Rh3 (31. Bxg6 Qxf1+ 32. Kxf1 Nxg3+ 33. hxg3 fxg6+ 34. Kg1 c5 $18) 31... Qg7 32. Rxh5 gxh5 33. Qxh5 Nb7) 31. Rh3 {[%csl Gh3][%cal Rh6h7]} Re8 32. Qxh7+ $40 {[%mdl 128] White goes for the king.} Kf8 33. Bxg6 {White is clearly winning.} Ke7 (33... Nde6 $142 34. Qh4 Qd8) 34. Qxg7 {[%cal Rf1f7] Intending Rxf7+ and mate.} Qxg6 35. Qxg6 ({Weaker is} 35. Qxe5+ Kd7 36. Qd4+ Qd6 $16) 35... fxg6 36. Rh7+ Kd6 37. c5+ $1 {[%mdl 64] Deflection.  Weighted Error Value: White=0.12 (very precise) /Black=0.29 (precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.9"]
[White "Srihari L R"]
[Black "Lalith Babu M R"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2400"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,86,0,13,0,0,5,11,0,14,0,10,-2,26,19,25,25,20,15,15,0,11,0,0,0,0,0,0,0,0,0,0,0,28,0,41,23,30,9,8,22,12,12,12,12,12,17,18,24,24,0,293,285,320,94,106,99,135,86,86,54,59,62,54,54,49,42,19,16,70,31,31]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O O-O 8. Nc3 d6 9. Qc2 Nbd7 10. Rfe1 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Bxc3 11. Bxc3 Be4 12. Qc1 {The position is equal.} c6 13. b3 b5 {[#]} 14. c5 $146 ({Predecessor:} 14. Nd2 Bxg2 15. Kxg2 b4 16. Bb2 c5 17. a4 cxd4 18. Bxd4 e5 19. Bb2 Nc5 20. Qc2 {½-½ (48) Rodshtein,M (2626)-Bocharov,D (2569) Plovdiv 2008}) 14... Qe7 15. cxd6 Qxd6 16. Ne5 Bxg2 17. Kxg2 Rfc8 18. Qf4 a4 19. b4 Qe7 20. e4 {Prevents Nd5.} Nxe5 21. dxe5 Nd7 22. Red1 c5 23. Rd6 cxb4 24. Bxb4 Rc4 25. a3 (25. Rad1 $5 Nf8 26. R1d4 $14) 25... Nf8 (25... Nc5 $11) 26. Rad1 $14 Ng6 27. Qd2 {[#] Hoping for Rd8+.} h6 $1 28. Rd8+ Rxd8 29. Qxd8+ Qxd8 30. Rxd8+ $11 {[%mdl 4096] Endgame KRB-KRN} Kh7 31. f4 Rxe4 32. Kf3 Rc4 33. Rb8 (33. Rd7 $5 {[%cal Rd7f7]}) 33... f6 $2 {[%mdl 8192]} (33... Rc2 $11) 34. exf6 $18 {Black must now prevent Rb7.} ({Inferior is} 34. Rxb5 fxe5 35. fxe5 Rc2 $11) 34... gxf6 {[#]} 35. Rxb5 (35. Rb7+ $1 $18 {and the rest is easy.} Kg8 36. Rxb5) 35... f5 $16 36. Ra5 Kg8 37. h4 (37. Rxa4 $142 Rc7 38. Ra6) 37... h5 38. Ra8+ Kf7 39. Ra7+ Kg8 40. Rxa4 {Threatens to win with Ra5.} e5 {[%cal Re5f4]} 41. fxe5 Nxe5+ 42. Ke2 Re4+ ({Black should try} 42... f4 $11 43. Ra8+ Kh7) 43. Kf1 f4 $1 {Weighted Error Value: White=0.23 (precise) /Black=0.20 (precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.10"]
[White "Ritviz, Parab"]
[Black "Mitrabha, Guha"]
[Result "1/2-1/2"]
[ECO "C64"]
[WhiteElo "2349"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,157,38,26,40,44,31,45,29,28,29,33,42,0,7,0,18,8,5,17,7,-16,19,-47,17,-8,16,20,14,20,27,22,35,12,31,0,22,0,0,0,0,0,12,4,27,27,19,24,30,0,-2,-31,-31,-31,-31,-31,-31,-36,-16,-31,0,-44,-17,-22,-18,-33,-12,-20,0,1,19,0,0,0,3,0,0,0,0,0,0,-46,-46,-46,-54,-83,-33,-62,-25,-18,-18,-85,-72,-117,-38,-29,0,0,196,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,8,0,30,30,30,30,50,0,0,0,0,0,0,0,0,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. c3 Nge7 6. O-O Ng6 {C64: Ruy Lopez: Classical Defence (3...Bc5) except 4 0-0 Nf6.} 7. d4 Ba7 8. Bg5 f6 {White is slightly better.} 9. Be3 O-O 10. Nbd2 Kh8 11. Qe2 (11. Re1 $14) 11... d6 {[#]} 12. Rad1 $146 ({Predecessor:} 12. Rfd1 exd4 13. cxd4 Nce7 14. Bc2 c6 15. Nf1 d5 16. exd5 Nxd5 17. Bxg6 hxg6 18. Nh4 {1-0 (36) Aleksandrov,D (2199)-Petrov,N (2562) Novorossiysk 2021}) 12... Bd7 {[%cal Oc6d4]} 13. Bb3 Qe8 14. Rfe1 Nd8 15. d5 Nf7 16. Nf1 (16. g3 $11) 16... Nh6 (16... Nf4 $15 17. Bxf4 exf4) 17. Bc2 Ng4 18. Bxa7 Rxa7 19. g3 Nh6 20. Ne3 Ra8 21. c4 a5 22. Nf5 Nf7 23. N3h4 Nxh4 24. Nxh4 Ng5 25. Kh1 g6 26. Qe3 Qb8 27. f4 Nf7 28. Rd2 Qa7 (28... a4 {is interesting.} 29. f5 gxf5 30. Nxf5 Bxf5 31. exf5 Rg8) 29. Qxa7 (29. Qf3 {keeps more tension.} Qc5 30. Bd3 Rae8 31. f5 Ng5 32. Qf1) 29... Rxa7 30. a4 Kg7 31. b3 Raa8 32. Rf2 Rae8 33. Kg2 Re7 34. Ref1 Ree8 35. Nf3 (35. Re1 $11 {should be considered.}) 35... Nh6 36. h3 Nf7 37. Bb1 h6 (37... Rh8 {feels hotter.} 38. fxe5 fxe5 39. Nd2 Rhf8 40. h4 b6) 38. Bc2 exf4 39. gxf4 g5 40. Nd4 gxf4 41. Rxf4 Ng5 42. Rh1 Re7 43. h4 Nf7 {[%cal Bg5f7,Bf7e5,Be5g6,Bg6h4][%mdl 32]} 44. Rhf1 Ne5 45. Ne2 (45. Kf2 $11) 45... Ng6 $15 46. R4f2 Nxh4+ 47. Kh2 Re5 (47... h5 $17) 48. Nf4 $1 Rg5 49. Bd1 {Prevents h5.} Kh8 50. Nh5 (50. Bh5 $11 {remains equal.}) 50... f5 $17 51. Ng3 {[#]} ({Better is} 51. exf5 Nxf5 52. Nf4) 51... Re8 (51... Rfg8 $1 $17 52. Nxf5 Bxf5 53. exf5 Ng2) 52. exf5 $15 {f6 is the strong threat.} Re3 (52... Re5 $5 {[%cal Rh4f5]}) 53. Rf4 Ng2 $2 54. Rg4 $2 (54. R4f3 $18) 54... Ne1 $11 55. Rxg5 hxg5 56. Nh5 {[#] Strongly threatening f6.} ({Much weaker is} 56. f6 Kg8 $15) 56... Be8 57. Nf6 Nd3 58. Rf3 Rxf3 59. Bxf3 {[%mdl 4096] Endgame KBN-KBN} Bf7 60. Ne4 Kg7 61. Nxg5 Kf6 {[%csl LRf5,LRg5]} 62. Ne6 Kxf5 63. Nxc7 Nc5 64. Bd1 Ke5 65. Bc2 Bh5 66. Kg2 Be2 67. Kf2 Bd3 $1 68. Bd1 Bb1 69. Ne6 (69. Ke3 $14) 69... Nxe6 {The position is equal.} 70. dxe6 Kxe6 {KB-KB} 71. Ke3 Ke5 72. Kd2 Kd4 73. Kc1 Bg6 {aiming for ...Kc3.} 74. Kb2 Be4 75. Bg4 Kd3 76. Be6 Bf3 77. Bf7 Kd4 78. Bg8 Kc5 79. Kc3 {Weighted Error Value: White=0.17 (very precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.11"]
[White "Harshad S"]
[Black "Harsha Bharathakoti"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2328"]
[BlackElo "2499"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,114,45,30,14,36,-12,2,-12,-7,-6,-16,-9,0,-40,-33,-51,-39,-92,-79,-193,-208,-202,-197,-189,-175,-186,-132,-156,-145,-132,-118,-111,-87,-85,-89,-87,-87,-89,-79,-254,-192,-208,-135,-138,-103,-94,-103,-100,-97,-94,-91,-106,-102,-113,-106,-110,-109,-107,-96,-152,-151,-152,-158,-168,-133,-133,-137,-139,-125,-164,-170,-201,-202,-303,-202,-202,-203,-378,-264,-456,-451,-748,-711,-943,-940,-886,-843,-1189,-1070,-2679,-1997,-2555,-2148,-1923,-1588,-5587,-4956,-29976,-29977,-29984,-29985]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Bb7 7. O-O Nc6 8. Nxc6 Bxc6 9. Qe2 {B43: Sicilian: Kan Variation: 5 Nc3.} Bc5 10. Kh1 (10. Be3 $14 {was preferrable.} Bxe3 11. Qxe3 (11. fxe3 Qg5 $11)) 10... Ne7 $11 11. f4 {[#] The position is equal.} b4 $146 ({Predecessor:} 11... O-O 12. f5 f6 13. Qg4 e5 14. Rf3 Kh8 15. Rh3 Rf7 16. a4 d5 {1-0 (16) Borisek,J (2541)-Kurmann,O (2451) Porto Carras 2011}) 12. Nd1 O-O {[%cal Bh8f8,Bf8e8,Be8e4][%mdl 32]} 13. Be3 Qb6 14. f5 exf5 {...Bxe3 is the strong threat.} 15. exf5 Nd5 16. Bd2 (16. Bxc5 $15 Qxc5 17. a3) 16... Nf6 17. Bg5 (17. Qe1 $17) 17... Rfe8 $19 18. Qd2 Ne4 {To avoid Nf2} 19. Bxe4 Rxe4 (19... Bxe4 20. f6 $17) 20. Nf2 {[#] To avoid Rg4} Bxf2 (20... Rd4 $1 $19 {[%cal Rd4d2]} 21. Qe2 h6) 21. Rxf2 f6 $36 {[%mdl 2048] Black is on the roll.} 22. Bf4 Rae8 {Hoping for ...Rd4.} 23. Raf1 Qb5 24. Bd6 a5 25. h3 Re2 26. Qd1 Qc4 {aiming for ...R8e3. Black is more active.} 27. a3 $2 (27. Kg1 $17) 27... bxa3 28. Bxa3 Qe4 {[%cal Oe4g2]} 29. c3 {[#]} Qxg2+ $1 {[%mdl 512]} 30. Rxg2 $17 Rxg2 31. Qxd7 Bxd7 32. Kxg2 {[%mdl 4096] Endgame KRB-KRB} Re5 33. Bd6 Rd5 34. Bf4 Bxf5 35. h4 Kf7 36. Ra1 Bd7 37. Kf3 (37. b3 $142) 37... a4 38. Ke3 g5 39. Bg3 Kg6 40. c4 Rc5 41. Kd4 Rf5 42. hxg5 fxg5 43. c5 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 44. Be5 (44. Re1 $142) 44... Rf2 {And now ...h4 would win.} 45. Ke3 Rc2 46. Bc3 $2 (46. Rd1 Be6 47. Rf1) 46... h4 47. Kd3 $2 (47. Rd1 Be6 48. Rd2) 47... Rg2 $19 48. Re1 (48. Be5 $142 h3 49. Rd1) 48... h3 49. Rh1 g4 50. Be5 {Prevents h2.} Kf5 51. Bd6 Rxb2 52. Kd4 a3 53. Rf1+ Kg6 {White must now prevent ...a2.} 54. c6 Rd2+ 55. Ke5 Bxc6 {Threatens to win with ...h2.} 56. Bxa3 h2 57. Rf6+ Kg7 {Weighted Error Value: White=0.81/Black=0.18 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.12"]
[White "Swapnil, S. Dhopade"]
[Black "Utsab Chatterjee"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2495"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,88,32,25,29,54,36,47,34,47,38,68,69,225,197,198,-234,-275,-258,-270,-258,-248,-257,-259,-285,-268,-261,-196,-174,-183,-183,-187,-198,-202,-219,-213,-208,-212,-222,-201,-227,-231,-285,-290,-283,-258,-251,-260,-297,-290,-272,-244,-219,-219,-416,-410,-492,-479,-540,-397,-527,-513,-587,-581,-652,-641,-648,-634,-626,-594,-835,-777]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3 Nc6 9. Qc2 Qa5 10. Rd1 Be7 11. Be2 {D37: Queen's Gambit Declined: 5 Bf4.} Rd8 12. O-O dxc4 13. Bxc4 {White is slightly better.} a6 {Prevents Nb5.} 14. Rxd8+ {[#]} Bxd8 $146 ({Predecessor:} 14... Qxd8 15. Rd1 Qe8 16. Ne4 b5 17. Bd3 h6 18. Nd6 Bxd6 19. Bxd6 Bb7 20. h3 Rc8 21. Qe2 {1-0 (44) Baskin,R (2390)-Poliannikov,D (2227) Chess.com INT 2020}) 15. Rd1 Qh5 $2 {[#]} (15... Be7 $14) 16. Ne5 $1 {[%mdl 512]} Be7 {[#]} 17. Na4 $4 {[%mdl 8192]} Nxe5 $19 {White is now going downhill.} 18. Be2 Qg6 19. Qc7 {[#]} Bd7 $1 20. Bxe5 Bxa4 21. Qxb7 Re8 22. Rc1 Qe4 23. Qxe4 Nxe4 24. Bxa6 Nc5 {[%cal Be4c5,Bc5b3,Bb3d2][%mdl 32]} 25. Be2 Rd8 26. h3 f6 27. Bc3 Nb3 28. Re1 Bc5 29. Bc4 Kf7 30. f3 Nd2 31. Ba2 Bb3 32. Bxb3 Nxb3 33. Kf1 Rd3 34. e4 Nd4 35. Rc1 e5 36. b4 $2 {[#]} (36. h4 {might work better.}) 36... Nb5 $1 {[%csl LRa3,LRc3]} 37. Bb2 (37. bxc5 Rxc3) 37... Be3 38. Rc2 Nxa3 39. Ke2 {And now Rc7+ would win.} Rb3 {Black is clearly winning.} ({Worse is} 39... Nxc2 40. Kxd3 Ne1+ 41. Kxe3 $15) 40. Rc7+ Kg6 41. Bc3 {[#]} Nb5 $1 {[%csl LRc3,LRc7]} 42. Rc4 Nxc3+ 43. Kxe3 Nd5+ 44. Kf2 Rb2+ {Weighted Error Value: White=0.57/Black=0.14 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.13"]
[White "Ratnakaran, K.."]
[Black "Aditya Mittal"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2316"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,120,21,16,8,-3,0,0,0,0,0,0,3,-1,7,10,4,0,54,46,46,33,68,19,29,0,17,31,25,-7,0,0,0,-7,24,34,33,15,6,9,6,13,18,0,12,0,0,0,0,0,0,0,-1,-1,-1,-21,0,0,13,15,14,14,14,0,0,0,2,0,25,25,26,25,25,26,48,10,10,3,10,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nc6 5. Bd3 e5 6. Bc2 d5 {Nowadays more popular than 6...Be7. B50: Sicilian: 2...d6, Miscellaneous.} 7. d3 {is the legacy move (7.exd5).} h6 {[#]} 8. O-O $146 ({Predecessor:} 8. Nbd2 Bd6 9. Nf1 d4 10. g4 h5 11. g5 Nh7 12. Ng3 g6 13. a3 Bd7 14. Bd2 {0-1 (30) Aguinaga,M (2235)-Shirov,A (2652) Rio Grande 2021}) 8... Bd6 {The position is equal.} 9. Re1 O-O 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Bc7 11. Nf1 b5 12. Ng3 d4 13. a4 dxc3 ({Black should try} 13... b4 $11) 14. axb5 $14 cxb2 15. Bxb2 Nd4 16. Nxd4 (16. Bb3 $14) 16... exd4 $11 17. Ba3 Nd7 (17... Bxg3 $5 18. fxg3 Qc7 $11) 18. Rf1 {[%cal Be1f1,Bf1f5,Bf5c5][%mdl 32]} Rb8 19. Rb1 Bxg3 20. fxg3 Qa5 {[%csl LRa3,LRb5]} 21. Ra1 {[%cal Oa3c5] [#] Black must now prevent Bxc5!} Qxb5 22. Rf5 Qb7 23. Ba4 ({Much worse is} 23. Bxc5 Nxc5 24. Rxc5 Be6 $11) (23. Bc1 {feels hotter.} Qc6 24. Ba4 Qe6 25. Kh2 Rb6 26. Ba3) 23... Nb6 24. Rxc5 {Black should prevent Ra5.} Nxa4 25. Qxa4 {Threatening Rd5.} Rd8 {Inhibits Rd5.} 26. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Be6 27. Qa5 Qb3 28. Qd2 Rbc8 29. g5 Rxc5 30. Bxc5 Qc3 31. Qxc3 dxc3 {[%mdl 4096] Endgame KRB-KRB} 32. d4 hxg5 (32... c2 {keeps more tension.} 33. Kf2 hxg5 34. d5 Bd7 35. Be7 Rc8) 33. Rc1 f5 34. exf5 Bxf5 35. Rxc3 a5 36. Rg3 g4 37. hxg4 Be4 38. Re3 Bd5 39. Bb6 {[%csl LRa5,LRd8]} Rb8 40. Bxa5 Rb2 41. g3 Rb3 42. Bc3 Kf7 43. Kf2 Kf6 44. Re5 Rxc3 45. Rxd5 {[#] Threatens to win with Rf5+. KR-KR} Rd3 46. Rf5+ Ke6 47. Rf4 Kd5 48. Rf7 Rxd4 49. Rxg7 $2 {[%mdl 8192]} (49. Rf5+ $11 Ke6 50. Rf4) 49... Ke5 {Mate.} 50. Rg6 Ra4 51. Kg2 Ra1 52. Rb6 Rc1 53. Rh6 Ra1 54. Rh1 Ra2+ 55. Kh3 Kf6 56. Rb1 Kg5 57. Rb8 Kg6 58. Rb6+ Kg5 59. Rb5+ Kg6 60. g5 Kh5 {[%mdl 32768] Weighted Error Value: White=0.23 (precise) /Black=0.06 (flawless) . An unexpected result.} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "3.14"]
[White "Jain Kashish Manoj"]
[Black "Aronyak Ghosh"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2162"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,60,30,33,37,25,68,10,103,95,90,97,86,81,104,108,110,104,112,102,120,127,108,104,156,73,308,55,62,52,59,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 $1 {8...Bd7 scores better than 8...h6.} 9. f3 Be7 10. Kb1 Qc7 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 11. Be3 Ne5 (11... h5 $11 {should be considered.}) 12. f4 ({White should play} 12. a3 $14) 12... Nc4 (12... Nc6 $11) 13. Bxc4 $16 Qxc4 {[#]} 14. e5 $1 Nd5 15. Nxd5 exd5 16. g4 ({Reject} 16. b3 $6 Qc7 $11) 16... dxe5 17. fxe5 {[#]} Be6 $146 ({Predecessor:} 17... Bc5 18. Qf2 Bxd4 19. Bxd4 O-O 20. Rhg1 Rac8 21. h4 Qc6 22. h5 Qe6 23. Rh1 Rc6 {1-0 (46) Supi,L (2530)-Cori Quispe,K (2444) Rio Branco 2017}) 18. Nf5 Qxg4 19. Nxe7 {White is more active.} Kxe7 20. Rhg1 Qe4 {[#]} 21. Rdf1 (21. Bd4 $142 $1) 21... Rhc8 $2 (21... Rac8 $16) 22. Bd4 $2 (22. Rxg7 $18 {Hoping for Qf2.} Qc4 23. Rf3 (23. Qf2 d4 $18)) 22... Kd7 $1 $14 {[%cal Be7d7,Bd7e8,Be8f8,Bf8g8][%mdl 32]} ({Weaker is} 22... Rc4 23. Rf4 Rxd4 24. Qxd4 Qxd4 25. Rxd4 $16) 23. Rxg7 Rc4 24. Rfxf7+ (24. Bc3 $14) 24... Bxf7 $11 {The position is equal.} 25. Rxf7+ Ke8 26. Rf8+ {[%mdl 64] Decoy} Kxf8 27. Qh6+ $1 Kg8 28. Qe6+ Kf8 {[%cal Re4e1]} 29. Qf6+ Kg8 {[%cal Re4e1]} 30. Qe6+ Kf8 {Weighted Error Value: White=0.30/Black=0.28 (precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.1"]
[White "Erigaisi Arjun"]
[Black "Ravi, Teja S."]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2633"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,29,61,48,44,25,66,73,76,83,64,71,75,84,191,116,83,96,87,91,467,450,627,604,620,610,790,740,777,310,332,350,718,706,748,662,639,648,615,390,380,367,347,284,395,306,309,312,304,318,348,356,757,748,724,686,719,716,831,831,836,796,1606,1541,1310,1173,12823,12825,12831,12831,12831,12829,12831,12830,12833,12829,1762,741]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 Qb6 5. Ne2 Bg4 {[#]} 6. h5 $146 {B12: Caro-Kann: Advance Variation.} ({Predecessor:} 6. Nbc3 h6 7. f3 Bd7 8. Be3 e6 9. Qd2 c5 10. dxc5 Bxc5 11. Bxc5 Qxc5 12. Nd4 Nc6 13. Nxc6 Bxc6 {½-½ (48) Potapov,P (2483)-Michalik,P (2540) Pardubice 2016}) 6... h6 7. Rh4 Bd7 (7... Bf5 $11) 8. c4 $14 {White is slightly better.} e6 9. Nbc3 {Active counter play!} dxc4 10. Ng3 $1 Qd8 11. Rf4 b5 {[#]} (11... Ne7 $16) 12. Nge4 (12. a4 $1 $18) 12... f5 $16 13. exf6 Nxf6 14. Qf3 {[%cal Rf4f6] Hoping for Rxf6.} Na6 $2 {[%mdl 8192] This move loses the game for Black.} (14... Be7 $16) 15. Rxf6 $18 (15. Nxf6+ gxf6 16. Rxf6 Nb4 $15) 15... gxf6 16. Nxf6+ {Pair of Knights!} Ke7 {[#]} 17. Bf4 $1 {[%cal Bc1f4,Bf4e5,Be5g7,Bg7h8,Bh8f6][%mdl 32]} Be8 (17... Qc8 18. Be5) 18. Be5 Bg7 19. Nfd5+ $2 cxd5 20. Bxg7 Qa5 $2 (20... Bxh5 21. Qxh5 Rh7) 21. Bxh8 b4 22. Bf6+ Kd7 23. Nd1 b3+ 24. Qc3 Nb4 {White must now prevent ...Nc2+.} 25. Ne3 Bxh5 26. a3 ({Less strong is} 26. g4 Bxg4 27. Kd2 h5 $16) 26... Rb8 27. Rc1 {To avoid Nc2+} Nc2+ 28. Kd2 $1 (28. Nxc2 Qxc3+ 29. bxc3 Bg6 $16) 28... Qxc3+ 29. Kxc3 {Chess con chili.} Rf8 {And now ...Nxe3 would win.} 30. Be5 ({Not} 30. Nxc2 Rxf6 31. Ne3 Rxf2 $16) 30... Nxa3 (30... Nxe3 31. fxe3 Bg4) 31. bxa3 {White is clearly winning.} Rxf2 {[#]} 32. Nxc4 $1 dxc4 (32... Rxf1 33. Nb6+) 33. Bxc4 b2 34. Rb1 Rxg2 35. Rxb2 Rxb2 36. Kxb2 Bf3 37. Kc3 h5 38. Bg3 Ke7 39. Kd2 Kd7 40. Bb5+ Kc8 41. Ke3 Bg4 42. Bc6 Bf5 43. Bf3 {Weighted Error Value: White=0.37/Black=0.64} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.2"]
[White "Harsha Bharathakoti"]
[Black "Gupta, Abhijeet"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2499"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,61,10,7,9,0,0,8,0,12,8,22,21,51,42,52,61,58,62,98,87,124,97,146,154,147,134,131,122,112,113,125,75,91,73,91,85,83,86,110,111,114,0,0,0,108,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. h3 O-O 9. Be2 b6 10. Be3 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Bb7 11. Qd3 e6 12. O-O {[#] The position is equal.} Qc7 $146 ({Predecessor:} 12... Nd7 13. Bg5 Qc7 14. Qe3 Rae8 15. Rad1 Qc6 16. Bd3 Qa4 17. Bh6 f5 18. Bxg7 Kxg7 {½-½ (40) Sakaev,K (2596)-Hansen,E (2606) Moscow 2019}) 13. Rac1 Rd8 14. Bg5 Rd7 15. Qe3 $1 Nc6 16. Rfd1 Re8 17. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} a6 18. a4 {[%cal Oh4h5]} Na5 19. h5 f6 (19... Qc6 $142) 20. Bf4 $16 Qc6 21. hxg6 hxg6 22. e5 g5 {And now ...cxd4 would win.} (22... Qxa4 $2 23. exf6 Bxf6 24. Ne5 cxd4 25. cxd4 $18) 23. Bg3 g4 24. exf6 Bxf6 {[#]} (24... gxf3 $2 25. Bxf3 Qc8 26. fxg7 $18) 25. Qf4 {[%csl LRf6,LRg4]} Rf8 (25... gxf3 $2 26. Bxf3 Qc8 27. Bxb7 (27. Qxf6 Qd8 $18) 27... Rxb7 28. Qxf6 $18) 26. Qxg4+ Rg7 27. Qh5 Rh7 28. Qg6+ Rg7 29. Qh5 {White is more active.} Rh7 $1 30. Qg6+ Rg7 31. Qh5 {Weighted Error Value: White=0.11 (very precise) /Black=0.09 (flawless)} ({Better is} 31. Qh6 $16) 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.3"]
[White "Utsab Chatterjee"]
[Black "Gukesh D"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2321"]
[BlackElo "2614"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,80,-9,0,0,12,-19,-7,0,30,24,30,9,15,0,0,0,18,0,0,0,0,0,0,-66,-50,-44,-56,-27,-42,-42,0,0,-15,-25,0,-71,8,-10,0,-42,-14,-45,0,0,0,0,171,0,112,102,117,-779,-782,-734,-712,-1876,-1727,-29979,-29980,-29975,-5302]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. a4 Bd7 {[%cal Bc8d7,Bd7c6,Bc6e4,Be4g6,Bg6h5][%mdl 32]} 12. b3 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Qc7 $1 13. Bb2 Bd6 14. h3 {The position is equal.} O-O-O 15. Qe2 Rhe8 {[#]} 16. Nf3 $146 ({Predecessor:} 16. Rfd1 h6 17. Kh1 e5 18. Nf3 Bc6 19. Rd2 e4 20. Nd4 e3 21. fxe3 Ne4 22. Qg4+ {0-1 (39) Lushnikov,E (2015)-Vavulin,M (2149) Moscow 2010}) 16... Bc6 17. Ne5 {[%cal Oc4b5]} Be4 18. Nf3 {Hoping for Bxf6.} e5 19. Rfd1 Kb8 20. Bc3 h6 21. Bb2 Rd7 22. Nd2 (22. Qe3 $11) 22... Bg6 $1 $15 {Black is more active.} (22... Bxc2 $2 23. Rdc1 $18) 23. Nf1 Bh5 $1 24. g4 Bg6 25. Ne3 Bc5 (25... h5 $5 {[%cal Rh5g4]}) 26. Rxd7 Qxd7 27. Rd1 Qc6 28. Kh2 (28. Bd5 $11 {keeps the balance.} Nxd5 29. Nxd5) 28... Ka7 (28... Be4 $17 {And now ...Bf3 would win.} 29. Kg3 (29. Bxf7 Rf8 $15) 29... Bg6) 29. Nd5 (29. Bd5 $5 Nxd5 30. Nxd5 $11) 29... Be4 {[%cal Re4d5]} 30. Nxf6 (30. Bb5 $11 {is superior.} axb5 31. axb5) 30... gxf6 (30... Bf3 31. Bd5 $1 Bxe2 32. Bxc6 Bxd1 33. Bxe8 $14) 31. Kg3 {[%cal Oc4b5] Inhibits Bf3.} ({Avoid the trap} 31. Bxf7 $2 Re7 32. b4 Bf3 $1 $17) 31... f5 (31... Bh1 $15 {deserves consideration.} 32. f3 e4 $1 33. Rxh1 exf3) 32. f3 $11 f4+ $1 33. Kg2 f5 (33... Bg6 $11 {and Black is okay.}) 34. Bc3 $2 (34. fxe4 $18 fxe4 35. Kh1) 34... Re7 (34... Qg6 $1 $11 35. fxe4 fxe4) 35. Be1 $36 {[%mdl 2048] White is really pushing.} Rg7 36. Rd2 $2 {[%mdl 8192] [#] Loses the game.} (36. fxe4 $16 fxe4 37. Kh2) 36... h5 $1 $19 {...hxg4 is the strong threat.} 37. fxe4 hxg4 {White must now prevent ...f3+.} 38. hxg4 fxe4 39. Bd5 f3+ 40. Kg3 {[#]} Rxg4+ $1 {[%mdl 576] Decoy.  Weighted Error Value: White=0.75/Black=0.25 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.4"]
[White "Anustoop Biswas"]
[Black "Aryan Chopra"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2126"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,54,-1,10,-13,-19,-19,-20,-17,-14,-15,-21,-28,-9,-30,-35,-60,-62,-55,-49,-49,-52,-57,-41,-39,-27,-30,-11,-74,-70,-92,-91,-80,-80,-83,-88,-157,-116,-138,-121,-133,-130,-1146,-1116,-1069,-1038]} 1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. d3 {B23: Closed Sicilian: Lines without g3.} Nc6 8. h3 e6 {[#]} 9. Be3 $146 {The position is equal.} ({Predecessor:} 9. g4 Nge7 10. Be3 Nd4 11. Bxd4 Bxd4 12. Nxd4 cxd4 13. Ne2 Qa4 14. b3 Qb4+ 15. Qd2 Qxd2+ 16. Kxd2 {½-½ (47) Balabanov,V-Bidkova,V Kiev 2004}) 9... Nge7 10. O-O O-O 11. Qe1 b6 12. Rb1 d5 {Hoping for ...d4.} 13. Bd2 Nd4 14. Nxd4 cxd4 15. Ne2 dxe4 16. dxe4 Qa4 17. c3 Nc6 18. cxd4 Nxd4 (18... Rfd8 {looks sharper.} 19. Be3 Nxd4 20. Nc3 Qc4 21. Rc1 Nc6) 19. Nxd4 (19. Nc3 $1 $11 {remains equal.} Qa6 20. e5) 19... Bxd4+ $17 20. Kh1 Qxa2 21. f5 exf5 22. exf5 Rfe8 $36 {[%cal Bf8e8,Be8e2,Be2g2,Bg2f2][%mdl 2080] Keeping White busy.} ({Don't take} 22... Bxb2 23. Bb4 Bd4 24. Bxf8 Rxf8 25. Qe4 $16) 23. Qh4 (23. Qd1 $142) 23... Qd5 (23... Bxb2 $142 24. Bg5 Be5) 24. Bg5 Re2 {[%csl Ge2][%cal Rd5g2]} 25. Rf3 Rae8 {And now ...R8e4 would win. Black is much more active.} 26. Rd1 $2 {[%mdl 8192] [#]} (26. fxg6 $17 hxg6 27. Bf6 Bxf6 28. Qxf6) 26... Rxg2 $3 $19 {[%mdl 512]} 27. Qf4 Rf2 {Weighted Error Value: White=0.50/Black=0.06 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.5"]
[White "Srijit Paul"]
[Black "Adhiban, B.."]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2419"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,28,21,25,52,-4,-2,0,-9,-88,-96,-140,-115,-708,-661]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. a4 {[#] Strongly threatening axb5.} Bg4 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 10. d5 (10. h3 $14 Bxf3 11. Qxf3) 10... Ne7 $1 $11 11. Re1 O-O 12. Qd3 (12. h3 $11 Bd7 13. Qd3) 12... Nd7 $17 {Threatens to win with ...Nc5.} 13. Nbd2 {[#]} (13. Be3 $142) 13... f5 $146 {And now ...Nc5 would win.} ({Predecessor:} 13... Nc5 14. Qc2 Ng6 15. h3 Bd7 16. a5 Ba7 17. Nf1 f5 18. Ng3 fxe4 19. Nxe4 Bf5 {0-1 (33) Perez Vazquez,D-Leon Romero,I (1806) Havana 2018}) 14. Ng5 $2 {[%mdl 8192] [#]} ({Much weaker is} 14. axb5 Nc5 15. Qc2 Bxf3 16. Nxf3 fxe4 17. Rxe4 Nxe4 18. Qxe4 axb5 $19) (14. Qb1 $17) 14... Bxf2+ $1 {[%mdl 512] White got outplayed after the opening.  Weighted Error Value: White=1.24/Black=0.11 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.6"]
[White "Karthikeyan, Murali"]
[Black "Vignesh N R"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2622"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,64,20,11,12,25,20,10,39,13,40,16,40,51,49,39,45,38,39,34,43,37,41,41,41,33,33,8,14,0,0,0,0,0,0,0,0,0,0,0,0,-9,-2,-16,-15,-17,-8,-22,-9,-12,-8,-29,0,-39,-34,-36,0]} 1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. c4 O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. Be2 c5 8. cxd5 exd5 {The position is equal.} 9. O-O Nc6 10. Nc3 {[#]} Bg4 $146 ({Predecessor:} 10... c4 11. Rc1 Rb8 12. b3 b5 13. bxc4 bxc4 14. Nd2 Re8 15. e4 Nxd4 16. exd5 Nxe2+ 17. Nxe2 Qxd5 {½-½ (33) Orian,N (1658)-Reprun,N (1968) Jerusalem 2021}) 11. dxc5 Qxc5 12. Nd4 Bxe2 13. Ncxe2 Rac8 14. Rc1 Qb6 15. Rc2 Nxd4 16. Nxd4 Rc7 17. Ne2 Rfc8 18. Rd2 g6 19. Nc3 Rc4 20. h3 Kg7 21. Qe2 d4 22. exd4 Rxd4 23. Rxd4 Qxd4 24. Rd1 {[%cal Bf1d1,Bd1d2,Bd2e2][%mdl 32]} Qc5 25. a4 a6 26. Qf3 Rc6 {[%cal Bc8c6,Bc6b6,Bb6b4][%mdl 32]} 27. g3 h5 28. Kg2 Rb6 29. Rd2 Rb4 30. Re2 Qb6 31. Nd5 Nxd5 32. Qxd5 Qc6 {Weighted Error Value: White=0.08 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.7"]
[White "Koustav Chatterjee"]
[Black "Sethuraman, S.P."]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2466"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,12,9,14,6,0,0,0,0,0,0,0,0,-10,-5,-14,0,-14,-2,-17,-19,-18,-18,-24,-15,-16,-10,-24,-22,-26,-20,-27,-16,-44,-8,-58,-58,-60,-44,-25,0,-8,-9,-24,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,13,0,15,0,27,18,22,2,28,0,6,0,35,0,10,3,47,0,24,0,0,0,33,-9,70,64,159,124,160,139,206,185,291,276,249,148,860,843,1512,194,198,168,221]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 a6 5. b3 b6 6. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4.} Bb7 7. Be2 Nbd7 8. O-O {The position is equal.} Bd6 9. d4 O-O 10. Qc2 Qe7 11. Rad1 Rfe8 12. Rfe1 Rac8 {[#]} 13. cxd5 $146 ({Predecessor:} 13. Qb1 h6 14. Bf1 Bb4 15. cxd5 exd5 16. Qa1 Bd6 17. Ne2 Ne4 18. Ng3 Qe6 19. Qb1 {1-0 (44) Urazayev,A (2429)-Smirnov,P (2544) Europe Echecs INT 2021}) 13... exd5 14. Bd3 Ne4 15. Qe2 Ra8 16. Rc1 f5 17. Nd2 Qf7 18. f3 Nxd2 19. Qxd2 Qh5 20. f4 Re7 (20... Bb4 {feels hotter.} 21. Qe2) 21. Ne2 {Strongly threatening Ng3.} Qf7 22. Ng3 ({White should play} 22. Kh1 $1 $11) 22... g6 $15 23. h3 Rae8 24. Nf1 {[%cal Bg3f1,Bf1h2,Bh2f3,Bf3e5][%mdl 32]} Re6 25. Nh2 Qe7 {[%cal Od6f4] Threatens to win with ...Bxf4!} 26. Kf2 $1 Qh4+ 27. Kg1 Qe7 {[%cal Od6f4]} 28. Kf2 $1 Nf6 {[%cal Og6g5]} 29. Nf3 Ne4+ 30. Bxe4 fxe4 ({Don't play} 30... Rxe4 31. Ng5 $14) 31. Ne5 Rf6 32. Kg1 a5 33. Qe2 Ra8 34. a4 Ba6 35. Qg4 Bc8 36. Qg5 {Ng4 is the strong threat.} Re6 37. Qg3 Rf6 38. Qg5 {And now Ng4 would win.} Re6 39. Qg3 Kh8 40. Rc2 Ba6 41. Rec1 {[%cal Of4f5]} Rf8 42. Bc3 Ba3 43. Bb2 Bd6 44. Bc3 Bd3 45. Rd2 Bxe5 (45... Ba6 $11) 46. dxe5 (46. fxe5 $14 Rc6 47. Kh2) 46... c5 47. Kh2 Qd7 48. Qf2 Kg8 49. Rg1 (49. g4 $14) 49... Ree8 (49... Re7 $11) 50. g4 $14 Rd8 ({Better is} 50... Qc7 $14) 51. Bb2 d4 52. f5 $1 Qd5 (52... Rfe8 $16 {was worth a try.}) 53. Qg3 $1 $18 Rfe8 (53... Qxb3 $2 54. e6 Qb4 55. Rdg2 Qxa4 56. e7 $18) (53... Rd7 $142 54. e6 Ra7 55. exd4 cxd4) 54. e6 Qd6 55. Rf2 (55. exd4 $1 $18 {aiming for Qxd6.} cxd4 56. Rc1) 55... dxe3 $2 {[%mdl 8192] [#] This move loses the game for Black.} (55... Qxg3+ $16 56. Rxg3 Ba6) 56. Be5 $1 Qd5 {[#]} (56... exf2 57. Bxd6) 57. Rfg2 $2 (57. fxg6 $1 hxg6 58. Rf7) 57... e2 {[%cal Oe4e3]} 58. Qf4 {[%mdl 1024] White has strong compensation.} Re7 {Weighted Error Value: White=0.18 (very precise) /Black=0.17 (very precise)} (58... Ra8 {keeps fighting.}) 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.8"]
[White "Puranik, Abhimanyu"]
[Black "Laxman, R.R."]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2618"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,18,20,10,7,6,6,2,4,12,23,0,6,7,45,4,64,60,60,75,83,88,88,88,91,94,101,67,74,70,91,94,97,70,75,70,74,34,31,30,42,31,26,19,26,0,0,0,0,0,0,0,0,0,35,22,55,24,66,38,100,14,15,16,22,0,0,0,0,0,0,0,0,0,0,-27,-20,-76,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Nd7 7. Nc4 O-O 8. O-O Re8 9. Bd2 Bd6 {has lost popularity (9...f6).} 10. Bc3 c5 11. a4 b6 {[#]} 12. b3 $146 (12. g3 $14) ({Predecessor:} 12. g3 f6 13. Nh4 Nb8 14. f4 Nc6 15. Qh5 Be6 16. fxe5 Bf7 17. Qg4 Bxe5 18. Nf5 {1-0 (67) Alekseenko,K (2539)-Sakaev,K (2594) St Petersburg 2015}) 12... a5 (12... f6 $11) 13. g3 $14 Bb7 14. Nh4 g6 {Prevents Nf5.} 15. Qd2 Be7 {[#]} 16. Ng2 {White is more active.} Bf6 17. Rae1 Qe7 18. Qc1 Bg7 19. f4 exf4 20. Bxg7 Kxg7 21. Rxf4 f6 22. Ref1 Rf8 23. Nh4 Ne5 24. Nxe5 Qxe5 25. Nf3 Qe7 26. Qa1 Rae8 27. h4 {[%cal Oh4h5]} (27. g4 {feels hotter.} h6 28. Nh4 Bc8 29. h3 Qd6 30. Kh1) 27... Kg8 28. Qc1 Qd7 29. g4 c4 30. bxc4 Qxa4 31. Nh2 Qc6 32. Qa3 Qd7 33. Qa1 (33. g5 $5 {[%cal Rg5f6]}) 33... Qd6 (33... Qe7 $1 $11) 34. Kg2 $1 {[%cal Rf4f6]} Qe5 (34... Bc8 $14) 35. Qxe5 (35. Rxf6 $16 {White wants to mate with Qxe5.} Rxf6 36. Qxe5 Rxe5 37. Rxf6) 35... fxe5 $11 36. Rxf8+ Rxf8 $16 {[%mdl 4096] Endgame KRB-KRN} 37. Ra1 {[%cal Oc4c5]} Bc6 38. Nf3 Re8 39. c5 a4 40. cxb6 cxb6 41. Kf2 b5 42. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} Bd7 43. g5 {[#]} (43. Rg1 $1 $11 {keeps the balance.}) 43... Bg4 (43... Kf7 $1 $17) 44. Nd2 $11 {The position is equal.} Rc8 45. c4 Bd7 46. Rb1 a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 47. cxb5 a2 {Threatens to win with ...Rc2.} 48. Ra1 Rc2 ({Resist} 48... Bxb5 49. Rxa2 Bxd3 50. Ra5 $16) 49. Ke3 {And now b6 would win.} Bxb5 {Hoping for ...Kf7.} 50. Nf3 Ba4 51. Nxe5 Bb3 {White must now prevent ...Rb2.} 52. Nf3 {Weighted Error Value: White=0.11 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.9"]
[White "Aravindh, Chithambaram VR."]
[Black "Gusain, Himal"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2611"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,16,25,0,24,9,10,8,1,16,40,45,53,26,27,29,21,21,24,17,27,7,13,0,31,23,37,33,48,27,25,7,2,-6,-15,-11,-12,-15,-10,-20,0,-5,-15,-12,-12,-12,-13,-12,-11,-16,-14,-20,-31]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. a3 {D37: Queen's Gambit Declined: 5 Bf4.} Nbd7 7. Nb5 Ne8 8. e3 a6 9. Nc3 Nef6 10. c5 Ne4 11. Nxe4 dxe4 12. Ne5 Nxe5 13. Bxe5 Bd7 14. Bc4 Bc6 {[#]} 15. Qg4 $146 {[%csl Ge5][%cal Rg4g7] [#]} ({Predecessor:} 15. Qb3 Qd7 16. h4 Rae8 17. Qc3 Bd5 18. Rc1 c6 19. Be2 f6 20. Bf4 Bd8 21. Bh5 g6 22. Bg4 Bc7 23. g3 {0-1 (69) Kozak,M (2230)-Friml,A (2170) Czech Republic 2005}) 15... Bf6 16. Bf4 Rc8 (16... Qe7 $5 {[%cal Re6e5]}) 17. O-O Bd5 (17... Qe7 {with more complications.} 18. b4 Rcd8 19. Rad1 Ba4 20. Rb1 Bc6) 18. Rfc1 Re8 19. Bxd5 Qxd5 20. c6 b6 {The position is equal.} 21. b4 h5 22. Qe2 g5 23. Be5 Bxe5 24. dxe5 h4 25. Qxa6 Qxe5 26. a4 Ra8 27. Qc4 Red8 28. a5 bxa5 29. bxa5 Rxa5 30. Rxa5 Qxa5 {Weighted Error Value: White=0.08 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.10"]
[White "Lalith Babu M R"]
[Black "Shahil Dey"]
[Result "1-0"]
[ECO "D61"]
[WhiteElo "2563"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,105,11,0,3,0,10,0,37,42,29,33,75,81,51,60,72,67,75,88,76,60,67,75,82,77,76,78,109,106,116,109,113,110,109,109,124,122,133,120,119,116,118,118,131,129,133,133,135,137,193,179,196,191,186,183,177,152,159,155,159,158,183,170,172,162,170,160,258,270,262,245,290,264,425,412,359,320,493,484,29984,29985,29985,29984,29986,29985,29988,203,29989,29990,29994,29995]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Be7 6. e3 h6 7. Bf4 O-O 8. Qc2 Nbd7 9. h3 c5 {[#] D61: Queen's Gambit Declined: Classical: 7 Qc2.} 10. dxc5 $146 ({Predecessor:} 10. cxd5 cxd4 11. exd4 Nxd5 12. Nxd5 exd5 13. Bd3 Bb4+ 14. Kf1 Nf6 15. g4 Ne4 16. a3 Ba5 17. Ne5 {0-1 (57) Vicente Torrecillas,F (2177)-Gil Lopez,P (2006) Totana 2003}) 10... Nxc5 11. Be2 Bd6 {The position is equal.} 12. Bxd6 Qxd6 13. Rd1 {[%cal Ba1d1,Bd1d5,Bd5d4][%mdl 32]} Nce4 {[#]} (13... b6 $14 {might be stronger.}) 14. Nxe4 $1 $16 Nxe4 15. cxd5 Qb4+ 16. Kf1 exd5 17. Rxd5 Nf6 18. Rd4 Qb6 19. Bc4 {White is more active.} Be6 20. Bxe6 Qxe6 21. Qb3 Qa6+ 22. Kg1 Rad8 23. Kh2 Rxd4 24. Nxd4 Ne4 25. Qc2 Qd6+ 26. g3 Re8 27. Rd1 Qd5 28. a3 Rd8 29. h4 Nf6 30. Rc1 {[%cal Bd1c1,Bc1c5,Bc5d5][%mdl 32]} a6 31. Kg1 Ne4 32. Qc7 Rd6 (32... Rd7 $16 {is a better defense.} 33. Qc4 Qxc4 34. Rxc4 g6) 33. f3 $18 Nf6 34. Rc5 Rd7 35. Qb8+ ({Resist} 35. Rxd5 Rxc7 36. Rd8+ Kh7) 35... Rd8 36. Rxd5 Rxb8 {[%mdl 4096] Endgame KRN-KRN} 37. Rc5 Rd8 38. Kf2 Rd7 39. Ke2 g6 40. g4 Nd5 41. Nc2 f5 (41... Kg7 $16 42. Ne1 Nc7) 42. gxf5 gxf5 43. f4 Kf7 44. Kf3 {And now Nd4 would win.} Kf6 $2 {[#]} (44... b6 {was worth a try.} 45. Rc6 Rc7 46. Rxc7+ Nxc7) 45. Nd4 Ne7 46. Re5 {Strongly threatening Re6+.} Kg6 (46... h5 {was necessary.} 47. Re6+ Kf7) 47. Re6+ Kh5 (47... Kh7 $18 48. h5 a5) 48. Ne2 Ng8 49. Ng3+ Kxh4 50. Nxf5+ Kh5 51. Ng3+ Kh4 52. Rg6 h5 53. Rxg8 {Black got outplayed after the opening.  Weighted Error Value: White=0.03 (flawless) /Black=0.38} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.11"]
[White "Sengupta, Deep"]
[Black "Srihari L R"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2528"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,39,33,47,-16,-10,-16,0,-23,-22,-16,-16,-27,-11,-22,-19,-20,-17,-19,0,-22,-22,-25,-26,-29,-14,-19,-21,-21,0,0,0,0,22,0,0,0,26,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-14]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 Nf6 5. Nd2 cxd4 6. exd4 g6 7. Ngf3 $1 {7.Ngf3 scores better than 7.Bd3.} Bg7 8. Bd3 Nh5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 9. Bg3 (9. Be3 $14) 9... O-O 10. O-O Bg4 11. Qb3 Nxg3 12. hxg3 Rb8 13. a4 Qd6 14. Rfe1 {[#]} h5 $146 ({Predecessor:} 14... Rfe8 15. Qa3 Qc7 16. a5 e5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Bb5 Red8 20. Qb4 h5 {½-½ (59) Tsomaia,S (1859)-Jorgensen,J (2257) Opatija 2013}) 15. Qa3 Qxa3 16. Rxa3 Bxf3 17. Nxf3 e6 18. a5 Rfc8 19. Bb5 Ne7 20. Nh2 {[%cal Bf3h2,Bh2g4,Bg4e3,Be3c2,Bc2a1,Ba1b3,Bb3d2][%mdl 32]} Nf5 21. g4 Nd6 22. Bd3 hxg4 23. Nxg4 Kf8 {[%cal Bg8f8,Bf8e7,Be7d7][%mdl 32]} 24. g3 Ke7 25. Kg2 Rc7 26. Ra2 Rh8 {The position is equal.} 27. Ne3 {[#] Strongly threatening Nxd5+.} Kd7 28. Nc2 Bf8 29. Na1 a6 30. Nb3 Ne8 31. Nd2 Nd6 32. Nf3 Bg7 33. Ra4 Bf6 34. Nd2 Be7 35. Nb3 Ne8 {[%cal Bd6e8,Be8f6,Bf6e4][%mdl 32]} 36. Bc2 {[%cal Bd3c2,Bc2d1,Bd1f3,Bf3e2][%mdl 32]} Nf6 37. Bd1 Ne4 38. Bf3 Ng5 {[%cal Oh8h2] [#] And now ...Rh2+! would win.} 39. Be2 Ne4 40. Raa1 Bd6 41. Bf3 Ng5 {[%cal Oh8h2]} 42. Bd1 Ne4 43. Bf3 {An interesting draw.  Weighted Error Value: White=0.07 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.12"]
[White "Deepan Chakkravarthy J."]
[Black "Sidhant, Mohapatra"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2520"]
[BlackElo "2359"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,116,39,0,31,0,7,8,-1,0,38,16,50,58,51,33,124,68,68,70,61,70,85,92,88,43,95,17,68,34,38,48,60,66,65,66,68,72,100,112,96,101,101,25,25,24,24,33,37,15,15,12,18,9,9,9,9,10,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 Bd6 9. O-O O-O 10. Qc2 Bb7 11. Rd1 Qc7 12. Bd2 (12. e4 $5 {[%cal Re4e5]} e5 13. g3 $11) 12... e5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} 13. Rac1 {[%cal Oc3b5] And now Nxb5! would win.} a6 14. dxe5 Nxe5 15. Ng5 {[%cal Oc3d5] [#]} Ng6 $146 ({Predecessor:} 15... c5 16. Nce4 Nxe4 17. Nxe4 Bxe4 18. Qxe4 Rfe8 19. Qf5 Rad8 20. Be1 c4 21. h3 g6 {1-0 (60) Becsenescu,I-Herrera,A (2297) ICCF email 2010}) 16. Nce4 Nxe4 17. Nxe4 Bxh2+ 18. Kh1 {Hoping for f4.} c5 {[#]} (18... Be5 $14) 19. Qxc5 $1 Qb8 $14 {[#]} 20. Qh5 $1 {Strongly threatening Nc5. Active counter play!} Be5 (20... Bxe4 21. Qxh2) 21. Nc5 ({Much worse is} 21. Ng5 h6 22. Nf3 Bxb2 $17) 21... Bc8 22. b3 Ra7 23. Bf3 (23. Ba5 $16) 23... a5 (23... b4 $1 $14) 24. Nd3 (24. b4 $16) 24... Bf6 ({Black should try} 24... b4 $1 $11) 25. Rc5 Bd7 26. Bc3 Qb6 27. Bxf6 Qxf6 28. Ne5 Nxe5 29. Qxe5 a4 30. Qxf6 gxf6 31. b4 a3 32. Bd5 ({Better is} 32. Rd3 $16) 32... Rc8 $1 $11 33. Rdc1 Rxc5 34. bxc5 {[%mdl 4096] Endgame KRB-KRB} Rc7 35. e4 {[%cal Og2g4]} Kf8 $1 {The position is equal.} 36. Kh2 f5 37. f3 fxe4 38. fxe4 (38. Bxe4 $2 Be6 39. Bb1 b4 $17) 38... Ke7 39. Kg3 f5 40. Kf4 fxe4 41. Kxe4 Be6 42. Ke5 Bxd5 43. Kxd5 {c6 is the strong threat. KR-KR} Kd8 $1 44. Rc3 b4 45. Rb3 Rg7 46. g3 Kc7 47. Kc4 Kc6 {( -> ...Rg4+)} 48. Kxb4 Rg4+ 49. Ka5 Kxc5 50. Rc3+ Kd6 51. Rxa3 h5 52. Rc3 h4 53. gxh4 Rxh4 54. Kb5 Kd7 55. a4 Rh8 $1 56. a5 Rc8 $1 57. Rh3 Kc7 58. Rh7+ Kb8 $1 {Weighted Error Value: White=0.13 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.13"]
[White "Mitrabha, Guha"]
[Black "Ratnakaran, K.."]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2510"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,0,24,20,24,21,30,22,20,4,10,0,22,15,97,77,91,90,90,77,108,99,106,99,168,127,171,157,163,167,196,199,200,206,206,99,189,181,251,272,338,323,357,334,418,349,334,351,341,343,328,324,438,304,293,302,334,324,327,0,302,289,291,285,332,227,236,195,219,172,185,181,218,218,219,237,535,529,521,513,2863,2396,2664,2393,2056,2052,4670,2664,2110,1583,2629,2119]} 1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. c4 Be7 5. dxc5 Bxc5 6. a3 {[#] E10: Blumenfeld Gambit.} a5 $146 ({Predecessor:} 6... O-O 7. Be2 b6 8. O-O Bb7 9. Nc3 d5 10. b4 Be7 11. Bb2 a5 12. Qb3 axb4 13. axb4 {0-1 (62) Brody,M-Rejfir,J The Hague 1928}) 7. b3 O-O 8. Bb2 {White has an edge.} b6 9. Nbd2 {[%cal Bb1d2,Bd2e4,Be4c3,Bc3b5][%mdl 32]} Bb7 10. Qc2 Nc6 11. Ng5 {aiming for Bxf6.} e5 {[#]} (11... Re8 $1 $11) 12. Bd3 $1 $16 {[%cal Rd3h7]} h6 13. Nge4 Nxe4 14. Nxe4 Be7 15. Nc3 Rc8 16. O-O {White is more active.} Re8 (16... Bc5 $16) 17. Rad1 (17. Be4 $18) 17... Bf8 (17... Nb8 $16 18. Rd2 Bc5) 18. Be4 Ba8 19. Nb5 Re6 20. Rd2 Qh4 {[%cal Oa5a4]} 21. g3 Qg4 22. Bg2 (22. Bf5 $18 Qf3 23. Be4) 22... a4 (22... e4 $16 {keeps fighting.}) 23. b4 $36 {[%mdl 2048] White has strong initiative.} (23. Rxd7 axb3 24. Qxb3 Na5 $11) (23. bxa4 Na5 $16) 23... h5 (23... Nxb4 $142 24. axb4 Bxg2 25. Kxg2 Rxc4) 24. h3 (24. Rxd7 $6 Nb8 25. f3 Qg5 26. Rxf7 (26. f4 exf4 27. Rxf7 Bxg2 $16) 26... Kxf7 $18) 24... Qg5 25. Rxd7 h4 26. g4 ({Resist} 26. Qxa4 hxg3 27. Nc7 Nd4 28. Nxe6 (28. Bxa8 $2 gxf2+ 29. Kh1 Qg3 $19) (28. exd4 Rxc7 29. d5 Rxd7 $16) 28... gxf2+ 29. Rxf2 Nxe6 $18) 26... e4 27. Nc7 Rxc7 28. Rxc7 Qd8 {[#]} 29. Qxa4 $1 Qxc7 30. Qxa8 Ne5 31. Bxe5 Qxe5 32. Rd1 {[%cal Bf1d1,Bd1d4,Bd4d7][%mdl 32]} Re8 33. Qc6 Re6 34. Qa8 {Strongly threatening Rd8.} Re8 35. Qa4 g6 36. Rd4 f5 37. Qc6 Re6 38. Qa8 {[%cal Oc4c5]} Kg7 39. Rd7+ Be7 40. Qd5 Kf6 41. Qxe5+ ({Don't play} 41. gxf5 gxf5 42. Rb7 Qxd5 43. cxd5 Rd6) 41... Rxe5 {[%mdl 4096] Endgame KRB-KRB} 42. Bf1 Re6 $2 (42... fxg4 43. hxg4 Re6) 43. c5 {White is clearly winning.} bxc5 44. Bc4 Re5 (44... Rb6 $142 45. b5 g5) 45. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32] And now b6 would win.} Kg5 46. b6 {b7 would kill now.} Bf6 47. gxf5 gxf5 48. a4 {White threatens a5 and mate.} Re8 49. a5 {White wants to mate with a6.} Rd8 {[#]} 50. b7 $1 {[%mdl 512] Weighted Error Value: White=0.22 (precise) /Black=0.32} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.26"]
[Round "4.14"]
[White "Pimpalkhare Vedant"]
[Black "Arjun Kalyan"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2057"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,70,15,15,30,-22,-25,-32,-29,-14,31,31,24,25,28,25,28,28,43,46,118,55,47,47,47,47,48,51,56,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 {[%cal Be2e3,Be3e4,Be4e5][%mdl 32]} g6 8. Be2 Bg7 9. O-O O-O 10. e4 dxc4 11. e5 Qe7 12. Bxc4 Nd7 13. Re1 {13.Qe2 is more advanced technology.} Rd8 {D43: Semi-Slav: 5 Bg5 h6.} 14. Qe2 (14. Rc1 $142) 14... b5 $11 15. Bd3 Rb8 $1 {Black is slightly better.} 16. Rac1 Bb7 (16... c5 $1 $11) 17. Ne4 $14 c5 18. Nxc5 Nxc5 19. dxc5 {[#] Threatens to win with c6.} (19. Rxc5 Rxd4 20. Rxb5 (20. Nxd4 Qxc5 21. Nxb5 Qd5 $15) 20... Rb4 $15) 19... Bxf3 $146 ({Predecessor:} 19... Qc7 20. c6 Ba8 21. Bxb5 Bf8 22. Ba4 Rb6 23. b3 Ba3 24. Rc4 Rb4 25. Rxb4 Bxb4 {1-0 (42) Dolya,A (2382)-Trofimov,V (2407) ICCF email 2014}) 20. Qxf3 ({Of course not} 20. gxf3 Qg5+ 21. Kf1 Rd5 $15) 20... Rd5 21. b4 Rxe5 {[#]} (21... Qc7 $14) 22. Rxe5 {White is more active.} ({Better is} 22. Be4 $1 $16) 22... Bxe5 23. g3 {To avoid Qh4} a6 {[%cal Ba7a6,Ba6a5,Ba5b4][%mdl 32]} 24. Rd1 Rd8 25. Be4 a5 26. Rxd8+ (26. a3 $1 $14) 26... Qxd8 $11 {The position is equal.} 27. Qd3 Qxd3 28. Bxd3 axb4 29. Bxb5 {[%mdl 4096] Endgame KB-KB} Kf8 30. Kf1 Ke7 31. Ke2 Bd4 32. c6 {aiming for c7.} Kd6 33. c7 Kxc7 34. Be8 Kd6 35. Bxf7 g5 {Weighted Error Value: White=0.11 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.1"]
[White "Gukesh D"]
[Black "Erigaisi Arjun"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2614"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,92,33,39,11,55,45,42,0,0,0,0,0,0,-7,-8,-7,-6,-18,-18,-33,-33,-18,-16,-17,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-74,-63,-81,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Be7 11. exf6 Bxf6 12. Bxf6 Qxf6 13. g3 Bb7 14. Bg2 Na6 15. Ne4 Qe7 16. O-O {Black should prevent h4. D44: Semi-Slav: Botvinnik System.} O-O-O $1 17. a4 f5 {[#]} 18. axb5 $1 cxb5 $11 19. Rxa6 $1 Bxa6 20. Nc5 Qxc5 $1 21. dxc5 Rxd1 22. Rxd1 {[%mdl 4096] Endgame KRB-KRB} b4 23. Ra1 {[#]} b3 $1 {[%cal Oc4c3] [#] ...c3! is the strong threat.} 24. Bf1 $146 {[#]} (24. Rxa6 c3 25. Rxe6 (25. Rc6+ $2 Kb8 $19) 25... c2 $19) ({Predecessor:} 24. Rxa6 c3 25. Ra1 c2 26. Kf1 Rxh2 27. g4 a5 28. gxf5 exf5 29. Bd5 a4 30. Be6+ Kc7 31. Bxb3 axb3 32. Ke2 Kc6 33. Kd3 Kxc5 34. Ke2 Kb4 35. Re1 Rh8 {0-1 (35) Salzmann,S (2212)-Misericordia,A (2310) LSS email 2016}) 24... Rd8 $1 {Threatens to win with ...Bb5.} 25. h4 $1 Bb5 {[%cal Oa7a5]} 26. h5 $1 (26. Rxa7 $2 c3 $1 27. Bxb5 c2 $19) 26... a5 27. Rxa5 {[#] Strongly threatening Ra8+.} c3 $1 28. bxc3 {aiming for Ra8+.} ({Don't go for} 28. Rxb5 $2 c2 29. Rxb3 c1=Q $19) (28. Bxb5 cxb2 29. Ra8+ Kc7 30. Rxd8 b1=Q+ 31. Bf1 Kxd8 $19) 28... Bxf1 $1 {KRB-KR} 29. Ra8+ ({Don't blunder} 29. Kxf1 $2 b2 30. Rb5 (30. Ra8+ $2 Kc7 $19) 30... Rd1+ 31. Kg2 b1=Q 32. Rxb1 Rxb1 $19) 29... Kc7 30. Rxd8 Kxd8 {KB-KP} 31. h6 $132 {[%mdl 2048] [#] And now h7 would win. White is fighting back} ({But not} 31. Kxf1 $2 b2 32. Kg2 b1=Q $19) 31... b2 $1 32. h7 b1=Q {[%cal Of1g2]} 33. h8=Q+ Kc7 34. Qe5+ Kb7 35. c6+ $1 {[%mdl 64] Decoy} Kxc6 {White must now prevent ...Bc4+.} 36. Qxe6+ Kb5 37. Qd5+ (37. Qd7+ $11 {keeps the balance.} Ka5 38. Qd4 Ba6+ 39. Kh2) 37... Ka4 $17 38. Kh2 {[#]} Be2 ({Black should try} 38... Qc2 $1 $17 {[%cal Rc2f2]} 39. Qd4+ Kb3 40. Qb4+ Ka2 41. Qa5+ Kb2 42. Qb4+ Ka2 43. Qa5+ Kb2 44. Qb4+ Ka2) 39. Qa8+ $11 {The position is equal.} Kb3 {Hoping for ...Qe4.} 40. Qb7+ Kc2 41. Qxb1+ Kxb1 {KB-K3P} 42. Kh3 Kc2 43. Kh4 Kd3 (43... Kxc3 $5 44. Kg5 Bg4 $11) 44. Kg5 Ke4 45. c4 Bxc4 {( -> ...Be2)} (45... Ke5 $5) 46. f3+ $1 Ke5 {Weighted Error Value: White=0.07 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.2"]
[White "Aryan Chopra"]
[Black "Lalith Babu M R"]
[Result "0-1"]
[ECO "C59"]
[WhiteElo "2585"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,94,-9,77,69,72,65,83,80,84,77,84,87,110,108,109,90,108,54,69,70,87,85,72,36,25,29,83,26,63,44,80,73,80,71,75,75,68,67,200,206,214,214,216,214,214,212,170,230,204,138,86,45,47,0,0,0,52,0,0,-210,-210,-454,-460,-608,-594,-1022,-1022,-1021,-933,-977,-962,-997,-772,-1360,-1119,-1123,-1070,-29957,-1022,-963,-905]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 {8.Bd3 is the fancy move.} Be7 (8... h6 $11 9. Nh3 Bd6) 9. d3 $16 {C59: Two Knights: 4 Ng5 d5 5 exd5 Na5 5 Bb5+ c6 6 dxc6 bxc6 7 Be2.} O-O 10. O-O Nd5 11. Nf3 {White is better.} Bd6 12. Nc3 {[#]} (12. Re1 {seems wilder.} Re8 13. Nc3 Rb8 14. Ne4 Bc7 15. c4) 12... f5 $146 {Prevents Ne4.} ({Predecessor:} 12... Nxc3 13. bxc3 c5 14. Be3 Nc6 15. Nd2 Nd4 16. cxd4 cxd4 17. Nc4 dxe3 18. fxe3 Bc7 {0-1 (57) Chernov,M (2213)-Mouhamad,J (2239) Chess.com INT 2020}) 13. Re1 Nxc3 14. bxc3 Qc7 15. g3 Bb7 16. Nd2 (16. Bf1 $16) 16... e4 $14 {[%cal Oe4e3]} 17. Bf1 Rad8 18. Rb1 c5 19. Bg2 {[%cal Rd3e4]} Be5 {[%csl LRc3,LRd3]} 20. c4 Bd4 (20... Bc3 $11 {keeps the balance.}) 21. Bb2 (21. Nb3 $16 Nxb3 22. Rxb3) 21... exd3 {Hoping for ...Bxg2.} 22. Bxb7 Nxb7 23. cxd3 Bxb2 24. Rxb2 Rxd3 25. Qe2 Rd7 26. Nf3 {[%cal Bd2f3,Bf3e5,Be5g6,Bg6f8,Bf8e6][%mdl 32]} h6 (26... g6 $14) 27. Qe6+ $18 Kh7 28. Ne5 Re7 {[#]} 29. Ng6 $1 Rxe6 30. Nxf8+ Kg8 31. Nxe6 Qa5 32. Re3 Nd6 33. Rb8+ (33. Nf4 $16) 33... Kf7 $1 $14 34. Rf8+ (34. Kg2 $14 {is superior.}) 34... Ke7 $1 $11 {aiming for ...Qd2.} 35. Rb8 (35. Ra8 $11 Ne4 36. Nxg7 Qxa2 37. Nxf5+ Kd7 {[#]} 38. Rxa7+ $1 (38. Rxe4 $2 Qb1+ 39. Kg2 Qxe4+ 40. Kg1 Qxa8 $19) (38. Kh1 $2 Nxf2+ 39. Kg1 Nh3+ 40. Kh1 Qb1+ 41. Kg2 Qb7+ 42. Kxh3 Qxa8 $19) 38... Qxa7 39. Rxe4 Qa1+ 40. Kg2) 35... Kf7 $1 $14 {[%cal Be7f7,Bf7g6,Bg6h7][%mdl 32]} 36. Nd8+ (36. Kg2 $14) 36... Kg6 $11 37. Re6+ $2 (37. Nc6 $11 Qd2 38. Rd8 Qc1+ 39. Kg2) 37... Kh7 $19 {Strongly threatening ...Ne4.} 38. Rxd6 (38. Re2 Qa4 39. Re7 Qd1+ 40. Kg2) 38... Qc7 39. Nf7 {[%csl Gf7][%cal Rb8h8]} Qxb8 {[%mdl 4096] Endgame KQ-KRN} 40. Rd7 Qb1+ 41. Kg2 Qe4+ 42. Kg1 Qxc4 43. Rxa7 Qd5 44. a3 c4 {Threatens to win with ...Qc5.} 45. Rc7 {Prevents Qc5.} Qd4 46. Ne5 c3 (46... Qa1+ $142 47. Kg2 Qxe5 48. Rc8 c3 49. Kh3 Qe2 50. Kg2 c2 51. h3 Qd1 52. a4 c1=Q 53. Rxc1 Qxc1 54. g4 fxg4 55. hxg4 Qf4 56. g5 h5 57. a5 h4 58. a6 Qg4+ 59. Kf1 h3 60. g6+ Kh6 61. Ke1 h2 62. Kd2 h1=Q 63. f4 Qg3 64. f5 Qhh2+ 65. Kd1 Qgg1#) 47. Nf3 Qd1+ {Never resign too early!  Weighted Error Value: White=0.70/Black=0.37} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.3"]
[White "Adhiban, B.."]
[Black "Harsha Bharathakoti"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2648"]
[BlackElo "2499"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,63,14,7,6,5,11,10,2,16,6,9,-4,-5,-26,-39,-25,-5,-26,-15,0,17,6,14,0,0,-43,0,-44,-43,-37,-56,-68,-51,-54,-25,-58,-34,-68,-63,-52,-47,-75,0,-38,0,-49,0,-63,-25,-25,-31,-147]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 d6 6. c3 h6 7. Bh4 a6 8. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 9. O-O g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 10. Bg3 {The position is equal.} O-O 11. a4 Nh7 12. d4 {[#]} h5 $146 {With the idea ...h4.} ({Predecessor:} 12... exd4 13. Nxd4 Nxd4 14. cxd4 Bxd4 15. Qc2 Kh8 16. Nb3 Bg7 17. Rad1 f5 18. f4 fxe4 19. fxg5 Qxg5 20. Qxe4 {0-1 (36) Cornette,D (2404)-Leko,P (2679) Douglas 2017}) 13. h4 {[#] Strongly threatening hxg5.} (13. dxe5 $2 h4 14. Bxh4 (14. e6 $2 fxe6 15. Bxh4 gxh4 $19) 14... gxh4 15. exd6 h3 16. dxc7 Qxc7 $19) 13... g4 14. Ne1 ({Reject} 14. d5 Ne7 15. Ne1 (15. Ng5 $2 Nxg5 16. hxg5 Ng6 $19) 15... Ng6 $17) 14... exd4 15. Nd3 dxc3 (15... Re8 {is interesting.} 16. Qb3 Qe7 17. Rfe1 Ne5 18. Qc2 dxc3 19. Qxc3 Bd7) 16. bxc3 Ne5 17. Nxe5 dxe5 18. Kh1 ({Of course not} 18. Bxe5 Qxh4 19. Bd4 Rd8 20. Bxa7 (20. g3 Qe7 $17) 20... Rxa7 $15) 18... Qe7 19. f3 (19. Qe2 $11) 19... Kh8 (19... Be3 $1 $15) 20. fxg4 (20. Qe2 $11) 20... Bxg4 $15 21. Nf3 {And now Qd5 would win.} f6 $1 22. Qb3 c6 23. a5 Rad8 24. Rab1 Bc8 25. Bh2 Bc5 26. Rb2 Ba3 27. Rbb1 Bc5 (27... Bd6 $5 {[%cal Rf6f5]}) 28. Rb2 $1 Ba3 29. Rbb1 Bc5 30. Rb2 $1 Bd6 31. Bg1 Bc7 32. Rbb1 {Weighted Error Value: White=0.10 (very precise) /Black=0.13 (very precise)} (32. Bb6 $15) 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.4"]
[White "Gupta, Abhijeet"]
[Black "Aditya Mittal"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2628"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "181"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,181,10,10,19,3,29,14,0,20,0,0,0,12,0,15,11,18,0,0,0,0,-27,-18,-30,0,0,0,0,0,-44,-39,-53,-63,-55,-48,-69,-70,-70,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,-11,0,-33,-1,-8,0,-20,-25,-25,-8,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,14,85,81,83,85,110,108,108,0,0,0,8,8,8,8,11,11,124,127,481,481,481,481,5185,4694,5724,7815,1073,1171,29958,29959,29957,29960,29969,29950,29971,29972,29972,29965,29971,29972,29972,29962,29969,29967,29965,29967,29966,29968,29961,29967,29970,29972,29967,29968,29972,29973,29973,29974,29974,29975,29980,29981,29981,29977,29977,29978,29978,29979,29979,29980,29980,29981,29984,29985,29985,29986,29986,29979,29988,29989]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Re8 8. Bd2 Bf8 {8...Bf8 is better than 8...a6.} 9. a3 {The position is equal.} h6 10. cxd5 exd5 11. Bd3 Bg4 {[#] ...Bxf3 is the strong threat.} 12. O-O $146 ({Predecessor:} 12. O-O-O Bd7 13. h3 b5 14. Bxb5 Rb8 15. Bxc6 Bxc6 16. Ne5 Ba8 17. Nd3 Ne4 18. Nxe4 dxe4 {½-½ (73) Duda,J (2729)-Ding,L (2799) chess24.com INT 2021}) 12... Bd6 13. Kh1 a6 14. Rac1 Qe7 15. Be1 g6 16. h3 Bxf3 17. gxf3 Nh5 18. Bxg6 fxg6 19. Qxg6+ Ng7 {Strongly threatening ...Qd7.} 20. Rg1 (20. Nxd5 $11 Qh4 21. Qg4 (21. Nf6+ Kf8 $11) 21... Qxg4 22. fxg4) 20... Qf7 $1 $15 21. Nxd5 Qxg6 (21... Qxf3+ $2 22. Rg2 Qf7 23. Nf6+ Kf8 24. Qxh6 $18) 22. Rxg6 Kh7 23. Rg2 Rf8 {Inhibits Nf6+.} 24. f4 {[%cal Od5c7]} Rae8 (24... Rf7 $15) 25. Nxc7 $1 $11 Bxc7 26. d5 Rf7 27. dxc6 bxc6 28. Bc3 Nf5 29. Rcg1 Bd8 30. Rc1 Bf6 31. Rgg1 Bxc3 32. Rxc3 Rd8 33. Rgc1 Rd2 34. R3c2 Rfd7 35. Kg1 Ne7 36. Kg2 Kg6 37. Kf3 Kf6 38. Ke4 a5 39. Kf3 R7d5 40. e4 R2d3+ 41. Kg2 R5d4 42. f3 Rb3 43. Rf2 Rb5 44. Rc3 Rd8 45. Rfc2 Rdb8 46. Kg3 Rxb2 47. Rxb2 Rxb2 {[%mdl 4096] Endgame KRN-KR} 48. f5 Rd2 49. Rc5 a4 50. Rc4 Rd3 51. Rxa4 Nxf5+ 52. exf5 $16 Kxf5 $11 {KR-KR} 53. Ra5+ Kf6 54. Kg4 c5 55. f4 ({White should try} 55. Rxc5 $16 {Threatens to win with Rc6+.} Rxa3 56. f4) 55... h5+ {[%mdl 64] Decoy} 56. Kxh5 Rxh3+ 57. Kg4 Rd3 58. Ra6+ Kf7 59. Kf5 Rd5+ (59... c4 $11) 60. Ke4 $16 Rd1 {[%mdl 8192] This move loses the game for Black.} (60... Rd8 $16) 61. a4 $1 $18 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Ke7 62. a5 c4 (62... Re1+ $142 63. Kd5 c4) 63. Rc6 {And now a6 would win.} Ra1 64. a6 {Black must now prevent Kd4.} Kd7 65. Rh6 {Threatening mate with f5.} Kc7 66. Kd4 {White mates.} Ra3 67. f5 Rf3 68. Ke4 Rf1 69. Rh7+ Kb8 70. Rb7+ Kc8 71. Rf7 Kb8 72. Kd4 Ra1 73. Rf6 Rc1 74. Rc6 Rf1 75. Rc5 $1 Ka7 76. Kxc4 Kxa6 {[#]} 77. Re5 $1 Kb6 {[#]} 78. Kd5 $1 Kc7 79. Ke6 Kd8 80. Kf7 Kd7 81. f6 {[%cal Bf5f6,Bf6f7][%mdl 32]} Rg1 82. Rd5+ Kc6 83. Rd2 Rf1 84. Kg7 Rg1+ 85. Kf8 Rf1 86. f7 Rg1 87. Rd4 Kc7 88. Ke7 Re1+ 89. Kf6 Rf1+ 90. Kg6 Rf2 91. Rd5 {Weighted Error Value: White=0.07 (flawless) /Black=0.24 (precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.5"]
[White "Aronyak Ghosh"]
[Black "Mitrabha, Guha"]
[Result "1/2-1/2"]
[WhiteElo "2482"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "19"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,19,25,0]} 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 {[#]} Nh5 $146 ({Predecessor:} 6... Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 e6 10. e3 Rc8 11. Bd3 Bb4 12. O-O Nh5 13. Ne5 Nxf4 14. exf4 g6 15. Qe2 O-O 16. a3 Bxc3 17. bxc3 {0-1 (59) Swiercz,D (2656)-Van Foreest,J (2702) Chess.com INT 2022}) 7. Bd2 Nf6 8. Bf4 Nh5 {8...e6 is the recent fashion.} 9. Bd2 Nf6 10. Bf4 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.6"]
[White "Karthikeyan, Murali"]
[Black "Koustav Chatterjee"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2622"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,118,13,8,12,0,29,10,23,15,33,30,37,18,13,20,13,12,41,8,11,6,10,16,13,0,12,-16,4,-30,-41,-29,-31,-43,0,-4,-8,-20,0,0,0,0,19,10,14,0,0,0,0,0,0,0,31,11,63,29,31,32,73,21,21,21,18,-512,-497,-497,-472,-1144,-1212,-1228,-1228,-1080,0,-408,0,-1254,-1255,-1230,-1156,-1100,0,-1102,-1061,-1058,-690,-1092,-616,-1041,-1009,-1447,-1470,-29978,-29979,-29984,-29985,-29987,-29988,-29988,-12839,-5739,-2409]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O Be7 6. Re1 O-O 7. Bxc6 bxc6 8. d4 exd4 9. Nxd4 Bd7 10. Nc3 Re8 11. Qf3 Rb8 {C41: Philidor Defence.} 12. b3 {[#]} h6 $146 {[%cal Od6d5]} (12... d5 $5) ({Predecessor:} 12... Ng4 13. Nf5 Bf6 14. Bd2 Ne5 15. Qf4 Bxf5 16. Qxf5 Qd7 17. Qxd7 Nxd7 18. Rad1 Nc5 19. f3 {½-½ (59) Petschar,K (2265)-Grabher,H (2311) Austria 2006}) 13. h3 Bf8 {The position is equal.} 14. Bf4 c5 15. Nf5 Bc6 16. Rad1 Rb4 {[%cal Rf6e4]} 17. Ng3 g6 18. a3 Rb8 19. Qd3 Nd7 20. Nd5 Bg7 21. Nf1 Nf6 22. Nc3 Nd7 23. Qd2 Kh7 24. Nh2 Qf6 25. Nd5 Bxd5 26. exd5 Qf5 (26... Qb2 $5 {[%cal Rg7c3]} 27. Qc1 g5 28. Rxe8 Qxc1 29. Bxc1 Rxe8 $11) 27. Rxe8 Rxe8 28. Nf1 Nf6 {[%cal Of6d5]} 29. Ng3 Qd7 30. Qd3 Re7 31. c4 Qe8 32. Be3 Ne4 {[#] And now ...Nxg3 would win.} 33. Nxe4 Rxe4 34. Kf1 f5 35. Re1 Bd4 (35... f4 $5 36. Bd2 Rxe1+ 37. Bxe1 Qe5 $11) 36. Bd2 Qe5 (36... c6 $11) 37. g3 h5 38. Re2 h4 (38... Qe7 $14) 39. Bf4 (39. g4 $16) 39... Rxf4 40. gxf4 (40. Rxe5 Rxf2+ 41. Ke1 dxe5 42. gxh4 e4 $19) 40... Qxf4 $11 {[%mdl 4096] Endgame KQR-KQB} 41. Qd2 $2 {[%mdl 8192]} (41. b4 $11 {and White is okay.}) 41... Qf3 $19 {[%csl LRb3,LRh3][%cal Rf3h1] [#]} 42. Re7+ Kg8 43. Rxc7 (43. Qe1 $142 Qh1+ 44. Ke2 Qxh3 45. Qg1) 43... Qxh3+ 44. Ke2 Qg4+ 45. Kf1 Qh3+ (45... h3 $142 {( -> ...h2)} 46. Rc8+ Kg7 47. Rc7+ Kg8 48. Rc8+ Kf7 49. Rc7+ Kg8) 46. Ke2 $1 {Black must now prevent Qh6.} Qg4+ (46... Qxb3 $142 47. Rxa7 (47. Rc8+ $2 Kg7 $19) 47... Qxc4+ 48. Qd3 Qxd3+ 49. Kxd3 h3) 47. Kf1 h3 48. Rc8+ Kg7 49. Rc7+ Kg8 50. Rc8+ $1 Kf7 51. Rc7+ Kf6 52. Qe2 {[%csl Gc7][%cal Re2e7]} Qg2+ 53. Ke1 {[%csl Gc7][%cal Re2e7]} Be5 54. f4 Qg1+ 55. Qf1 Qe3+ 56. Qe2 Qc1+ 57. Kf2 Qxf4+ 58. Qf3 Qxf3+ (58... Qh4+ $142 59. Ke2 h2 60. Rb7 h1=Q 61. Qxh1 Qxh1 62. b4 Qe4+ 63. Kd2 Bf4+ 64. Kc3 Qd4+ 65. Kc2 Qxc4+ 66. Kb2 Be5+ 67. Kb1 Qb3+ 68. Kc1 Bf4#) 59. Kxf3 g5 {Weighted Error Value: White=0.59/Black=0.43} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.7"]
[White "Sidhant, Mohapatra"]
[Black "Puranik, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2359"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,91,0,18,11,26,-6,-7,-12,-8,-24,0,-4,18,20,24,32,43,0,0,-52,-29,-50,-71,-36,-58,-60,-54,-60,-69,-146,-134,-154,-134,-156,-72,-51,-49,-45,-50,-56,-43,-46,-40,-40,-42,-58,-42,-61,-53,-45,-40,-56,-54,-45,-33,-15,-17,-43,-14,-15,0,-20,-17,-16,-16,-15,0,0,0,-11,0,-50,0,-9,0,-56,0,-8,0,-28]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. b3 a6 6. Bxc6 Nxc6 7. Bb2 Qc7 8. Re1 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} b6 {[#]} 9. d3 $146 ({Predecessor:} 9. c3 Bd6 10. d4 Bb7 11. Nbd2 O-O 12. Nc4 cxd4 13. Nxd6 Qxd6 14. cxd4 Ne7 15. d5 exd5 {½-½ (62) Bida,M (2262)-Murariu,A (2518) Targu Mures 2014}) 9... Bb7 10. Nbd2 f6 {To avoid Ng5} 11. c3 O-O-O 12. d4 d5 13. exd5 exd5 14. dxc5 bxc5 15. Nf1 (15. b4 $14) 15... Kb8 $11 16. Qc2 (16. b4 $11) 16... Bd6 $15 17. Rad1 Ne5 18. Nxe5 Bxe5 19. Bc1 g5 20. Re2 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 21. b4 {[#]} ({White should play} 21. Rde1 $15) 21... h4 $1 $17 22. bxc5 h3 {aiming for ...hxg2.} ({And not} 22... Qxc5 23. Be3 Qxc3 24. Qxc3 Bxc3 25. Bd2 $17) 23. g3 d4 {To avoid Be3} (23... Qxc5 $142 {Hoping for ...Qc6.} 24. Rd3 Qc6) 24. cxd4 {[#]} Qc6 $1 {[%csl Gb7][%cal Rc6h1]} 25. f3 $1 ({Don't go for} 25. d5 $2 Rxd5 26. Rxd5 Qxd5 $19) 25... Bxd4+ 26. Be3 $1 Bxe3+ ({Don't play} 26... Qxf3 27. Bxd4 Rhe8 28. Be3 $16) 27. Rxe3 Rxd1 {[%mdl 64] Overworked Piece} 28. Qxd1 Qxc5 29. g4 Rc8 30. Kf2 f5 31. gxf5 Qxf5 32. Qd6+ Ka8 33. Nd2 g4 34. f4 Qc2 35. a3 Qd1 {Strongly threatening ...Qh1.} 36. Nc4 $1 {White wants to mate with Nb6+.} Qc2+ 37. Nd2 Qc1 {Threatens to win with ...Qh1.} 38. Nf1 $1 Qb2+ 39. Re2 Qb3 {( -> ...Qf3+)} 40. Re3 {To avoid Qf3+} Rc2+ 41. Nd2 {The board is on fire.} Qg8 42. Qd7 ({Better is} 42. Qd3 $11 Qc8 43. Kg3) 42... Bc8 (42... Qc8 $15 43. Qxc8+ Bxc8) 43. Qd4 Bb7 {To avoid Qe4} (43... Qa2 $11 44. Ke2 Qb2 45. Qxb2 Rxb2) 44. Qd7 $15 {And now Re8+ would win.} Bc8 (44... Qc8 $1 $15 {should be considered.} 45. Qxc8+ Bxc8) 45. Qd4 $11 {Qe4+ is the strong threat.} Bb7 {Prevents Qe4.} 46. Qd7 {Weighted Error Value: White=0.10 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.8"]
[White "Harshad S"]
[Black "Aravindh, Chithambaram VR."]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2328"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,24,19,8,10,11,7,-15,56,-68,25,-283,-310,-333,-327,-457,-469,-459,-459,-416,-446,-420,-302,-651,-640,-834,-815,-29982,-29983,-29983,-29984,-29984,-29985,-29960,-29953,-29997,-29995,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 {[%cal Bg8f6,Bf6g4,Bg4e5,Be5d3,Bd3c1][%mdl 32]} 5. Qe2 Nc6 6. e5 {B06: Modern Defence.} dxe5 7. dxe5 Ng4 {[%cal Rg4e5]} 8. e6 {The position is equal.} fxe6 (8... Bxe6 $11 9. Bxe6 fxe6) 9. Bxe6 {[#]} (9. O-O $14) 9... Rf8 $146 ({Better is} 9... Bxe6 $15 10. Qxe6 {[#]} Nd4 $1) ({Predecessor:} 9... Bxe6 10. Qxe6 Qd7 11. Qxd7+ Kxd7 12. O-O Rae8 13. h3 Nh6 14. Ng5 Nd4 15. Rd1 Kc6 16. Rxd4 Bxd4 {0-1 (52) Konsek,P (2083)-Wittmann,H (2067) Uttenreuth 2017}) 10. c3 $2 {[%mdl 8192] This move loses the game for White.} (10. Bxc8 $1 $11 {and White has nothing to worry.} Qxc8 11. h3) 10... Nge5 $19 {[#] White must now prevent ...Nd3+.} 11. Bxc8 Nd3+ ({Worse is} 11... Qxc8 12. Nxe5 Nxe5 13. O-O $11) 12. Kf1 Nxc1 13. Qd2 Rxc8 14. Qxc1 Qd3+ 15. Kg1 Rd8 {( -> ...Qd1+)} 16. Na3 $2 (16. Nbd2 Bh6 17. Qf1 Bxd2 18. Qxd3 Rxd3 19. Rd1) 16... Rxf3 17. gxf3 Ne5 ({Weaker is} 17... Qxf3 18. h3 $19) 18. Qe3 Nxf3+ {Black mates.} 19. Kg2 Nh4+ 20. Kh3 Qf5+ 21. Kxh4 Be5 {[%csl Gg6][%cal Rf5h5]} 22. Qe2 g5+ 23. Kh5 Qh3+ 24. Kxg5 h6+ 25. Kg6 Rd6+ 26. Kh7 Qf5+ 27. Kg8 Qf7# {Weighted Error Value: White=1.53/Black=0.19 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.9"]
[White "Bharat Kumar Reddy Poluri"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2263"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,98,70,66,70,52,64,57,54,53,58,57,57,58,68,62,59,46,77,75,93,76,92,36,36,24,52,58,73,14,31,0,35,13,13,13,15,10,114,114,113,112,106,106,107,-141,-125,-145,0,0,23,-175,-170,-147,-179,-172,-143,-131,-129,-181,-181,-179,-164,-168,-154,-610,-610,-548,-620,-599,-616,-594,-584,-1098,-1050,-29982,-5949,-1969,-1706]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 h5 6. Nf3 Nh6 7. Be3 Bg4 8. h3 Nf5 9. Bf2 Bxf3 10. Qxf3 h4 11. Bd3 e6 12. O-O Bf8 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 13. Ne2 Be7 14. b3 a5 {White is slightly better.} 15. c4 Na6 16. a3 Kf8 {[#]} 17. Rfb1 $146 ({Predecessor:} 17. c5 Nc7 18. b4 axb4 19. axb4 Kg7 20. Kh2 Qd7 21. Nc3 Rxa1 22. Rxa1 Ra8 23. Rxa8 Nxa8 {1-0 (35) Ivanisevic,I (2585)-Sadovsky,A (2367) Chess.com INT 2021}) 17... Kg7 18. Kh2 Qd7 19. Ra2 Nh6 20. Nc3 Nf5 21. Bxf5 gxf5 22. g4 (22. Na4 $16) 22... hxg3+ $1 $14 23. Qxg3+ Kh7 24. Qf3 {Intending Qh5+ and mate.} Rag8 25. Rg1 (25. c5 $1 $16) 25... Rg6 26. Na4 b5 27. Nb6 Qd8 28. c5 Kg7 29. Qc3 Nb8 (29... Qg8 $11) 30. Rxg6+ $16 (30. Qxa5 $2 Rxh3+ $3 {[%mdl 512]} 31. Kxh3 Qh8+) 30... fxg6 31. Qxa5 g5 32. fxg5 Bxg5 {[%cal Be7g5,Bg5f4,Bf4e3][%mdl 32]} 33. Be1 $2 (33. Qc3 $1 $16 {is forced if you want to stay better.}) 33... Bf4+ $17 34. Kg1 Rxh3 ({Better is} 34... Be3+ $17 35. Kf1 Bxd4 36. Qa7+ Kf8) 35. Rg2+ $11 Kh8 {[#] ...Be3+ is the strong threat.} (35... Kh6 $5 {[%cal Rf4e3]} 36. Nc4 Qxa5 37. Nxa5 Bg5 $11) 36. Qa7 $2 (36. Nc4 $1 $11 {and White stays safe.} Qxa5 37. Nxa5) 36... Be3+ $19 37. Kf1 {[%csl Gg2][%cal Ra7g7]} (37. Bf2 $2 Bxf2+ 38. Kf1 Rh7 $1 39. Qxh7+ Kxh7 $19) 37... Rh7 {Inhibits Qg7+. The board is on fire.} 38. Bh4 {Threatening mate with Bf6+.} Rxa7 39. Bxd8 {Threatens to win with Nc8.} Rxa3 {Strongly threatening ...Ra1+.} ({Don't do} 39... Bxd4 40. Bf6+ Kh7 41. Nc8 Rxa3 42. Rh2+ Kg8 43. Ne7+ Kf8 44. Rh8+ Kf7 45. Rxb8 Bxc5 46. Rb7 (46. Nxc6 f4 $16) 46... Bxe7 47. Rxe7+ Kg6 48. Rxe6 $16) 40. Bf6+ Kh7 41. Rg7+ Kh6 42. Rg8 {[#]} f4 $1 ({Worse is} 42... Rxb3 43. Nc8 Kh5 44. Kg2 $11) ({Stronger than} 42... Bxd4 43. Rxb8 f4 44. Rh8+ Kg6 45. Nc8 $17) 43. Bg5+ $2 {White does not recover from this.} (43. Kg2 $17 Rxb3 44. Rxb8) 43... Kh5 44. Bxf4 Bxf4 45. Rxb8 {KRB-KRN} Kg4 {aiming for ...Kf3.} 46. Ke2 Rxb3 {Hoping for ...Rb2+.} 47. Rc8 Rb2+ 48. Kd3 b4 {[%csl Gf4][%cal Rb2d2]} 49. Nc4 Rb3+ {Weighted Error Value: White=0.55/Black=0.15 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.10"]
[White "Panda Sambit"]
[Black "Deepan Chakkravarthy J."]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2059"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,27,27,16,34,19,29,21,29,32,67,25,71,43,50,39,67,67,67,48,58,47,33,34,43,33,42,40,47,47,47,52,35,26,58,51,56,43,39,0,0,0,0,0,0,0,0,0,0,-3,17,0,51,16,84,85,177,153,167,104,852,831,29993,604]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 O-O 7. Nc3 {E11: Bogo-Indian.} d6 8. g3 b6 9. Bg2 {White has an edge.} Bb7 10. Qc2 {[#]} Qe8 $146 ({Predecessor:} 10... Nbd7 11. e4 e5 12. O-O Qe7 13. Rfe1 Rfe8 14. Nd5 Nxd5 15. cxd5 Rac8 16. Rac1 Qf6 {½-½ (66) Muradli,M (2449)-Pesotskiy,M (2211) Lichess.org INT 2021}) 11. b3 (11. O-O $14) 11... e5 (11... Qe7 $11) 12. d5 Na6 13. O-O c6 14. Ng5 {aiming for dxc6.} Nc7 {[%cal Rc6d5]} 15. Nce4 {White is much more active. Black has bad knights.} (15. dxc6 {with more complications.} Bxc6 16. Nge4 Nxe4 17. Bxe4 Bxe4 18. Qxe4 Rb8 19. Rfd1) 15... Nxe4 16. Bxe4 (16. Qxe4 f5 17. Qe3 (17. Qh4 h6 $17) 17... c5 $11) 16... g6 {[%cal Rc6d5]} 17. dxc6 Bxc6 18. Bxc6 Qxc6 19. Qe4 d5 20. cxd5 (20. Qxe5 f6 21. cxd5 Qd7 $17) 20... Qxd5 21. Qh4 {[%csl Gg5][%cal Rh4h7]} h5 22. Ne4 Qe6 23. Rfd1 {Strongly threatening Rd6.} Nb5 {[%cal Bc7b5,Bb5d4,Bd4e6][%mdl 32] [#] Prevents Rd6.} 24. Rd5 $1 Nd4 25. Nf6+ (25. Rd6 $14 Qf5 26. Rf6 (26. Rxb6 Nxe2+ 27. Kf1 Nd4 $11)) 25... Kg7 $11 26. Nxh5+ gxh5 27. Qg5+ Kh7 {...f6 is the strong threat.} 28. Qxh5+ Qh6 $1 29. Qxe5 Ne6 30. Rd6 Rae8 31. Rad1 Rg8 (31... Qh3 $11) 32. Qf5+ Kg7 (32... Qg6 $11 33. Qxg6+ Kxg6) 33. Rxb6 $16 ({But not} 33. Rd7 Qf6 34. Qxf6+ Kxf6 $11) 33... Re7 (33... Qh7 $16 34. Qe5+ (34. Qxa5 Qh3 $16) 34... Kf8) 34. Qe5+ f6 35. Qf5 ({Better is} 35. Qxa5 $18 {Threatens to win with Qf5.} Kh8 36. Qb4) 35... Kf7 $2 {[%mdl 8192] [#]} (35... Rd8 $16 36. Rxd8 Nxd8) 36. Rxe6 $1 $18 {[%mdl 512]} Kg7 (36... Rge8 37. Rxe7+) 37. Rb6 {Weighted Error Value: White=0.12 (very precise) /Black=0.49} (37. Rxe7+ $142 Kh8 38. Rdd7 Qc1+ 39. Kg2 Rxg3+ 40. fxg3 Qc6+ 41. Qf3 Qxf3+ 42. exf3 Kg8 43. Re8#) 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.11"]
[White "Jain, Shrenhik Daklia"]
[Black "Iniyan, P."]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2049"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,88,22,32,20,39,16,40,18,31,0,38,14,22,0,29,0,64,41,109,125,118,125,125,118,121,114,125,122,104,118,118,78,140,119,131,0,131,0,191,180,179,181,168,170,187,164,195,159,182,165,162,141,147,141,131,103,104,111,100,0,148,-165,-186]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 O-O 8. O-O c6 9. Bc1 d5 10. Nbd2 Nbd7 11. Bb2 Rc8 12. Rc1 c5 13. cxd5 exd5 14. Re1 Bb7 15. Ne5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Re8 16. e3 {[#]} Nf8 $146 ({Predecessor:} 16... h6 17. Bh3 Rc7 18. Qe2 Bd6 19. Nxd7 Nxd7 20. Red1 cxd4 21. Rxc7 Qxc7 22. Rc1 Nc5 23. Bxd4 {½-½ (46) Schmidt,L (2403)-Wernikiewicz,Z (2329) ICCF email 2015}) 17. Ndf3 {White is slightly better.} Ne4 {To avoid Ng5} 18. Nd2 Nd6 19. Nf1 {Black should prevent dxc5.} Ne4 20. Nd2 {[%cal Bf1d2,Bd2f3,Bf3g5][%mdl 32]} Nf6 21. Ndf3 Rc7 (21... Ne4 $11) 22. dxc5 (22. Ng5 {with more complications.} Bd6 23. Nexf7 Rxf7 24. Nxf7 Kxf7 25. dxc5 Bxc5 26. b4) 22... bxc5 ({Better is} 22... Bxc5 $14 23. Nd3 Ne6) 23. Ng5 $16 Bd6 24. Nexf7 Rxf7 25. Nxf7 Kxf7 26. Bxf6 Qxf6 27. Bxd5+ Bxd5 28. Qxd5+ Qe6 29. Red1 Be7 (29... Qxd5 $142 30. Rxd5 Be7) 30. Qb7 {Black must now prevent Rxc5.} Qb6 31. Qd5+ Qe6 32. Qb7 (32. Qf3+ $16 Kg8 33. Rc4) 32... Rc8 $2 (32... Qb6 $1 $11 {and Black has nothing to worry.} 33. Qd5+ Qe6) 33. Qxa7 $18 Ng6 {[%cal Bf8g6,Bg6e5,Be5c6][%mdl 32]} 34. Qb7 {[%cal Ob3b4]} Ne5 35. Qe4 g6 36. Kg2 Rb8 37. Rd5 Nc6 38. Qf4+ Kg7 39. Rd2 Rf8 40. Qa4 ({But not} 40. Qc7 $6 Qe4+ 41. Kg1 Ne5 $1 42. Qxe7+ Rf7 $11) 40... g5 41. h3 {Prevents g4.} h5 42. Qc4 Qf5 {And now ...Ne5 would win.} 43. Qd5 ({White should try} 43. f4 $16) 43... Qg6 {[#]} (43... Ne5 $11 {remains equal.} 44. Qb7 (44. f4 $2 Rd8 $19) 44... Rf7) 44. a3 $2 {[%mdl 8192]} (44. Qd3 $1 $16) 44... Rd8 {[%mdl 64] Skewer.  Weighted Error Value: White=0.39/Black=0.35} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.12"]
[White "Arjun Kalyan"]
[Black "Anuj Shrivatri"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2506"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,19,29,0,36,31,41,0,8,0,0,4,-8,-4,0,-82,-22,-247,0,0,0,-4,0,0,18,7,10,13,22,17,22,30,20,0,0,0,-10,-18,-24,-22,-18,-23,-18,-21,-8,-93,-93,-51,0,-9,-12,-12,-17,-93,-87,-75,-20,-20,-15,-20,-4,-46,-70,-71,-52,-98,-72,-84,-51,-81,0,0,0,0,0,0,0,0,25,0,0,0,35,0,0,0,35,0,79,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} O-O 6. a5 {C50: Hungarian Defence and Giuoco Pianissimo.} d5 7. exd5 Nxd5 8. c3 {To avoid Bb4. White is slightly better.} a6 {[%cal Ba7a6,Ba6a5,Ba5a4][%mdl 32] [#]} 9. h3 $146 ({Predecessor:} 9. Nbd2 f6 10. Ne4 Ba7 11. Qb3 Nce7 12. O-O Kh8 13. h3 b5 14. axb6 cxb6 15. d4 exd4 16. Nxd4 {½-½ (72) Duda,J (2728)-So,W (2754) Moscow 2019}) 9... b5 10. axb6 Nxb6 11. Bb3 a5 12. Ng5 (12. Bc2 $11 {remains equal.}) 12... h6 (12... Ba6 $17 13. O-O (13. Ne4 Be7 $17) 13... Qxd3) 13. Qf3 {[#]} hxg5 $2 (13... e4 $1 $19 {[%cal Re4f3]} 14. Bxf7+ Kh8) 14. Qxc6 $11 Be7 15. O-O a4 16. Bc2 Be6 {...Bd5 is the strong threat.} 17. Qe4 Bd6 18. Nd2 f5 19. Qe2 Qf6 $1 {[%cal Oa4a3]} 20. Nf3 f4 $1 21. d4 exd4 22. Nxd4 Bc4 23. Qh5 {Bh7+ would kill now.} Qh6 {Inhibits Bh7+.} 24. Qxh6 gxh6 25. Re1 Rfe8 26. Bd2 c5 27. Nf5 (27. Nf3 $11) 27... Bf8 $17 28. g3 (28. f3 $17) 28... fxg3 (28... Bb3 $1 $15 29. Rxe8 Rxe8 30. Bxb3+ axb3 31. gxf4 Nc4) 29. Nxg3 Bb3 30. Bg6 Red8 {[%cal Be8d8,Bd8d5,Bd5e5][%mdl 32]} 31. Ne4 (31. Bc1 $11 {keeps the balance.}) 31... Nc4 {[%csl LRb2,LRd2]} 32. Bc1 Kg7 (32... Ne5 $17 33. Bh5 (33. Nf6+ $2 Kg7 $19) 33... Nd3) 33. Bh5 $11 Rd5 34. Be2 Re5 35. Bxc4 (35. Nd2 $11 {was preferrable.} Rae8 36. Kf1) 35... Bxc4 $15 36. f3 Kg6 37. Kf2 (37. Be3 $15) 37... Bb3 38. Be3 {[%cal Oh3h4]} Rae8 (38... Bd5 {is interesting.} 39. Ng3 Re6 40. Rad1 Bc6 41. Bd2 Rf6) 39. Nd2 {[#]} c4 ({Better is} 39... Bc2 $1 $17) 40. Nxb3 $11 axb3 41. Ra6+ $1 Kh5 42. Rc6 R8e6 43. Rxc4 Rf5 44. Kg2 (44. h4 $5) 44... Rfe5 {Inhibits Re4.} 45. Kf2 Rf5 46. Kg2 (46. h4 $5) 46... Rfe5 {Prevents Re4.} 47. Kf2 Rf5 48. Ke2 (48. h4 $5) 48... Rfe5 {To avoid Re4} (48... Rf4 $1 $11 49. Re4 Rfxe4 50. fxe4 Rxe4) 49. Kf2 {Weighted Error Value: White=0.27 (precise) /Black=0.22 (precise)} (49. Kd3 $16) 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.13"]
[White "Swapnil, S. Dhopade"]
[Black "Mohamed Anees M"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2495"]
[BlackElo "2238"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,116,21,15,34,26,32,16,22,24,14,23,65,14,4,0,0,0,0,-8,0,0,0,-17,-10,-21,0,0,0,0,0,0,0,0,46,51,66,45,66,49,58,58,41,14,23,10,44,31,41,11,14,11,11,11,11,11,11,11,42,3,36,36,36,36,42,38,102,12,47,45,42,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 b6 9. Bd3 Bb7 10. O-O c5 {D45: Semi-Slav: 5 e3.} 11. cxd5 exd5 12. Nb5 Be7 13. Rfd1 a6 14. Nc3 Bd6 (14... g6 $11) 15. Rac1 {White is more active.} (15. e4 $14 cxd4 16. Nxd5 (16. Nxd4 dxe4 17. Nxe4 Nxe4 $11)) 15... Re8 $11 16. Ne2 Rc8 17. Qb1 Qe7 18. Ng3 g6 {[#] Inhibits Nf5.} 19. Ba1 $146 ({Predecessor:} 19. Qa1 h5 20. Rc2 Ne4 21. Bxe4 dxe4 22. Nd2 h4 23. Ne2 cxd4 24. Rxc8 Rxc8 25. Nxd4 Ne5 26. Nc4 Nd3 27. Nxd6 Qxd6 {0-1 (41) Sokolovsky,Y (2489)-Esipenko,A (2683) Chess.com INT 2020}) 19... Qe6 20. dxc5 bxc5 21. Qb2 Bf8 22. Rc2 Bg7 23. Qa3 h5 24. Bf1 Qb6 25. Qa4 Qc6 (25... Bh6 $11 {is more appropriate.}) 26. Qxc6 $14 Rxc6 27. Ne2 Rcc8 28. Bb2 (28. Ng5 {with more complications.} Ng4 29. Bxg7 Kxg7 30. Nf4 Ngf6 31. g3) 28... Ne4 29. Bxg7 Kxg7 30. Nc3 Nxc3 31. Rxc3 Kf6 32. g3 Ne5 33. Nxe5 (33. Ne1 {feels hotter.} Red8 34. Bh3 Rc7 35. Rdc1 c4 36. Bg2) 33... Kxe5 34. Bg2 Red8 35. f4+ Ke6 $1 36. Kf2 a5 37. Bf3 Rc7 {[%cal Oa5a4]} 38. h3 (38. e4 $5 {[%cal Re4d5]}) 38... Rcc8 39. g4 hxg4 40. hxg4 Rh8 41. Kg3 {To avoid Rh2} f6 (41... Rhe8 $14) 42. Rc2 (42. g5 $16) 42... Rc7 43. Rcd2 {[%cal Rf3d5]} Rd7 44. g5 (44. e4 $14) 44... f5 $11 {The position is equal.} 45. Rc1 Rc7 46. a3 Rhh7 47. Rdc2 Kd6 48. Rc3 Ba8 {[%cal Oa5a4]} 49. Rd3 Ke6 50. Rcd1 {[%cal Rf3d5]} Rcd7 51. R3d2 Bb7 52. Bg2 Ba8 53. Rc1 Rc7 54. Rdd1 Bb7 55. Rd2 Ba8 56. Rcd1 {[%cal Rg2d5]} Rcd7 57. Bf3 Bb7 58. Bg2 Ba8 {Weighted Error Value: White=0.09 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.27"]
[Round "5.14"]
[White "Pranav Vijay"]
[Black "Utsab Chatterjee"]
[Result "1/2-1/2"]
[ECO "B94"]
[WhiteElo "2265"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,116,0,17,4,45,47,39,38,45,45,43,33,46,46,47,27,16,0,12,16,10,0,30,12,38,0,0,0,0,0,0,-4,0,-29,0,0,0,-23,-16,-22,0,-83,-7,-50,-11,-79,0,-56,-37,-49,-22,-31,-31,-124,-31,-105,10,0,0,0,0,0,16,-27,-36,-127,-127,-163,-173,-153,-167,-176,-172,-195,-205,-216,-198,-202,-137,-136,-159,-136,-89,-133,-139,-137,-18,-84,-84,-96,-14,-14,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 Qc7 8. Qf3 {B94: Sicilian Najdorf: 6 Bg5 Nbd7.} h6 {8...b5 might become the main line.} (8... b5 $11) 9. Bxf6 $14 Nxf6 10. f5 {White is slightly better.} e5 11. fxe6 $1 fxe6 12. O-O-O Bd7 13. g3 O-O-O 14. Bh3 Re8 {[#]} 15. Rd3 $146 ({Predecessor:} 15. Rhe1 Nh7 16. Qe2 Ng5 17. Bg4 g6 18. h4 h5 19. hxg5 hxg4 20. e5 dxe5 21. Nb3 {1-0 (107) Negi,P (2615)-Yilmaz,M (2479) Chotowa 2010}) 15... Kb8 16. Rhd1 Nh7 17. Qh5 {[%cal Oe4e5]} Ng5 {[%cal Og7g6]} 18. Bg2 $1 Re7 19. Nce2 Be8 20. Qg4 Nf7 21. Rc3 (21. Nxe6 Qd7 22. Bh3 Ne5 $17) 21... Qd7 22. Ng1 g5 23. Qe2 Ne5 24. Rb3 Qa4 25. Ra3 Qc4 26. Qd2 Rf7 27. Ndf3 (27. Ngf3 $11) 27... Bc6 (27... Qxe4 $2 28. Nxg5 $1 {[%mdl 512]} Qxg2 29. Qxg2 $16) (27... Be7 $17 {White must now prevent ...g4.} 28. Kb1 Qc5) 28. Kb1 (28. Nxe5 dxe5 29. Rb3 (29. Qd8+ $2 Ka7 $19) 29... Rd7 $17) (28. Rb3 $11 Rc7 29. Nd4 (29. Nxe5 dxe5 30. Qa5 Qc5 $11)) 28... Qc5 (28... Bxe4 29. Rc3 (29. Nxe5 dxe5 30. Qd8+ Ka7 $11) 29... Nxf3 30. Nxf3 $11) 29. Rc3 (29. Nxe5 $1 $11 {remains equal.} dxe5 30. Rc3) 29... Qb6 (29... Nc4 $17 30. Qd4 Qxd4 31. Nxd4 Bxe4 $1 32. Bxe4 Nd2+ $1 33. Kc1 Nxe4) 30. Nd4 (30. Bh3 $11) 30... Bd7 31. Bf1 Be7 32. Rb3 Qa7 33. Be2 {[#]} (33. h3 $15) 33... Rc8 ({Black should try} 33... g4 $1 $17 34. h4 h5) 34. Ngf3 {[#]} (34. h3 $15) 34... Nc4 (34... g4 $1 $17 {[%cal Rg4f3]} 35. Ne1 (35. Nxe5 dxe5 36. Nf5 Bg5 $17) 35... Rf2) 35. Bxc4 $11 Rxc4 36. Nf5 {[%cal Of3e5]} Qc5 {Prevents Ne5.} (36... exf5 37. Qd5 $16) 37. Nxe7 ({But not} 37. Nxd6 $2 Bxd6 38. Qxd6+ Qxd6 39. Rxd6 Ba4 40. Rxe6 (40. Rd8+ $2 Kc7 $19) 40... Rc8 $19) (37. Nxh6 Rf8 $15) 37... Rxe7 38. e5 ({Much worse is} 38. Qxd6+ Qxd6 39. Rxd6 Rxe4 $15) (38. Nd4 $142) 38... dxe5 39. Qe2 (39. Rc3 $15 Rxc3 40. Qxc3 Qxc3 41. bxc3) 39... Ba4 $17 40. Nxe5 Bxb3 41. axb3 Rd4 42. Rf1 Rd5 43. Nc4 e5 44. Qe4 Rd4 45. Qg6 Red7 {Strongly threatening ...Rd1+.} 46. Qxh6 Rd1+ 47. Rxd1 Rxd1+ {[%mdl 4096] Endgame KQR-KQN} 48. Ka2 e4 {...Rd7 is the strong threat.} 49. Qe6 {Prevents Rd7.} Re1 ({Black should play} 49... Qg1 $17 {[%csl Gg1][%cal Rd1a1]} 50. b4 Qd4 51. Qe8+ (51. c3 $2 Qd5 $19) 51... Ka7) 50. h4 (50. b4 $1 $11 {keeps the balance.} Qc6 51. Qe5+ Ka8 52. Kb3) 50... gxh4 51. gxh4 {[%cal Ob3b4]} e3 (51... Ka7 $17 {Hoping for ...e3.} 52. h5 e3) 52. b4 $1 $11 {The position is equal.} Qc6 53. Qe5+ Ka8 54. Qh8+ Ka7 55. Qd4+ Kb8 {And now ...Qa4+ would win.} 56. Qh8+ Qc8 57. Qe5+ Qc7 {aiming for ...Qxe5.} 58. Qh8+ Qc8 {Black had all chances to win.  Weighted Error Value: White=0.24 (precise) /Black=0.27 (precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.1"]
[White "Erigaisi Arjun"]
[Black "Gupta, Abhijeet"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2633"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,91,29,29,25,22,23,22,23,23,19,30,12,26,23,12,15,10,0,8,2,16,18,9,24,30,19,28,28,13,13,0,0,0,30,31,197,211,266,6,8,8,8,3,8,8,8,8,8,8,10,8,18,27,58,0,0,3,6,0,8,8,7,7,7,8,18,0,88,88,224,230,405,397,560,534,2637,2210,2362,2337]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines.} 9. Nf3 (9. Qh5 g6 10. Nxf7 gxh5 $17) 9... Bd6 10. O-O O-O {The position is equal.} 11. Re1 f5 {now supersedes 11...Re8.} 12. Nxe5 Qf6 $1 (12... Qh4 13. Nc3 $18) 13. Nf3 g5 $1 14. c4 (14. g3 $5 {[%cal Rb1c3]}) 14... Nf4 15. Bf1 g4 16. d4 gxf3 17. Qxf3 Ne6 (17... Qxd4 18. Rd1 Nh3+ 19. gxh3 $16) 18. Qc3 Nxd4 19. c5 Bc7 20. b4 Rb8 $1 {[%cal Ob8b4] [#] ...Rxb4! is the strong threat.} 21. bxa5 $146 {[%cal Oc1g5] aiming for Bg5!} ({Predecessor:} 21. Bb2 Rd8 22. Nd2 Qh6 23. h3 Qf4 24. Qg3+ Qxg3 25. fxg3 Rxb4 26. Bc3 Rb8 27. Re7 {1-0 (42) Melkumyan,H (2663)-Krysa,L (2531) Chess.com INT 2020}) 21... Be6 22. Bc4 Bxc4 23. Qxc4+ Rf7 {Hoping for ...Qh4.} 24. Nd2 $1 Rd8 $2 (24... Qh4 $14 25. h3 (25. Kf1 Bxh2 26. Rb1 Rxb1 $11) 25... Qf4) 25. Bb2 $18 Qh4 26. Bxd4 $2 ({White has to play} 26. Kf1 $18) 26... Rxd4 $11 27. g3 Rxc4 28. gxh4 Rxc5 29. Nb3 Rc4 {[%cal Bc5c4,Bc4g4,Bg4g1][%mdl 32]} 30. Rac1 Rg4+ 31. Kf1 Bxh2 32. Re8+ ({But not} 32. Rxc6 $2 Rg1+ 33. Ke2 Re7+ 34. Kf3 Rgxe1 $19) 32... Kg7 33. Rxc6 f4 34. f3 (34. h5 $14 Rg1+ 35. Ke2 f3+ 36. Kd3 Rd1+ 37. Kc4) 34... Rg1+ 35. Kf2 Rb1 36. Re2 Bg1+ 37. Kg2 Be3 38. Nc5 $36 {[%mdl 2048] Black must now prevent Ne6+. White is pushing.} Rf6 39. Rc7+ Kg8 40. Ne4 Rg6+ {[#]} (40... Rh6 $11 {remains equal.}) 41. Kh2 $1 $16 Kf8 (41... Bg1+ $16 42. Kh3 Be3) 42. Rxh7 $18 {Strongly threatening Rc2. Dancing on a razor blade.} Rgg1 $2 (42... Kg8 43. Rh5 Rgg1 44. Rg5+ Rxg5 45. hxg5 Kf7) 43. Kh3 Rbf1 (43... Kg8 $142) 44. Rc2 {[%cal Rc2c8] White is clearly winning.} Rxf3+ 45. Kh2 {[%cal Rc2c8]} Rc1 {[#]} 46. Rb2 $1 {Weighted Error Value: White=0.13 (very precise) /Black=0.28 (precise)} ({Not} 46. Rxc1 Bxc1 47. Rxa7 Ra3 48. Ra8+ Kg7 $16) 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.2"]
[White "Koustav Chatterjee"]
[Black "Gukesh D"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2466"]
[BlackElo "2614"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,122,0,0,0,0,0,5,0,35,16,8,-10,-7,-18,-15,-10,-4,-25,-19,-15,-13,-15,0,0,-4,-8,0,0,0,-17,-9,-12,-10,-17,-23,-55,-50,-63,-68,-62,-68,-73,-29,-68,-41,-20,-9,-7,-4,-4,-5,-5,-5,-24,-20,-37,0,0,14,5,5,7,1,8,8,0,0,0,0,0,0,-111,-102,-94,-11,-5,0,-82,-91,-102,0,0,0,-104,-114,-71,-83,-311,-293,-288,-298,-291,-287,-294,-168,-189,-116,-125,-127,-1022,-913,-1145,-1002,-912,-884,-29973,-1215]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Bxc6 bxc6 10. Be3 {is currently scoring better than 10.Nbd2. B31: Sicilian: 2...Nc6 3 Bb5 g6.} cxd4 11. cxd4 f6 12. Qc1 {The position is equal.} Rb8 13. exf6 exf6 {[#]} 14. Qxc6 $146 ({Predecessor:} 14. Nbd2 Bf5 15. Qxc6 Rxb2 16. Nb3 Ng5 17. Nxg5 fxg5 18. Rec1 Qf6 19. Qxd5+ Qe6 20. Qxe6+ Bxe6 {½-½ (43) Perez Gormaz,M (2413)-Kotronias,V (2517) Banja Vrujci 2021}) 14... Rxb2 15. Nbd2 Rb6 16. Qc2 g5 17. Nb3 (17. Nxe4 dxe4 18. Nd2 f5 $15) 17... Nd6 18. Nc5 Qc7 19. Qa4 Nf5 20. Nd2 Qf7 21. f3 Rd8 22. Bf2 Bf8 23. Ndb3 Bd6 24. Re2 h5 25. Rae1 Ng7 {To avoid Re8+} 26. Na5 {Pair of Knights!} (26. Nc1 {keeps more tension.} h4 27. a3 Rf8 28. N1d3 Nh5 29. Re8) 26... Bd7 {Inhibits Nc6.} 27. Nxd7 Qxd7 28. Qxd7 Rxd7 29. Nb3 Rc6 (29... Kf7 $17) 30. g4 h4 31. Nc5 Bxc5 32. dxc5 Kf7 33. Rd1 Ne6 {White should prevent ...d4.} 34. Red2 {Inhibits d4.} Ra6 (34... Nxc5 $2 35. Rc2 $18) 35. Be3 Ra3 36. Kf2 a5 {[%cal Od5d4]} (36... d4 $5 37. Bxd4 Nxd4 38. Rxd4 Rxa2+ 39. Ke3 (39. Kg1 Rc7 $17) 39... Re7+ 40. Re4 Ra3+ 41. Ke2 (41. Rd3 $2 Rxd3+ 42. Kxd3 Rxe4 $19) 41... Rxe4+ 42. fxe4 Rc3 $15) 37. c6 Rc7 38. Rc2 ({Inferior is} 38. Rxd5 Rxc6 39. Rd7+ Kg6 $17) 38... Nd8 39. Rdc1 Ne6 40. Bb6 Rc8 41. Rd1 Nf4 42. c7 Ke8 43. Rcd2 {Black must now prevent Rxd5.} Kd7 44. Bd4 (44. Rb1 $11 {remains equal.}) 44... Rxc7 $17 45. Bxf6 {[#]} Nh3+ ({Black should play} 45... Ke6 $1 $17 {[%cal Re6f6]} 46. Ba1 Rc4 47. Re1+ Kf7) 46. Kg2 $11 Nf4+ 47. Kf2 {[#]} (47. Kh1 $11) 47... Ke6 $1 $17 48. Bd4 Nh3+ 49. Kg2 Nf4+ 50. Kf2 Rc4 {Black is more active.} 51. Re1+ Kd7 {The board is on fire.} 52. Re3 {[#] Inhibits Nd3+.} (52. Red1 $17 {was the only chance.}) 52... Rxd4 $1 $19 {[%mdl 512]} 53. Rxd4 Rxa2+ {[%mdl 4096] Endgame KRR-KRN} 54. Kf1 (54. Kg1 Kd6 55. Rd1 a4 $17) 54... Kd6 {Threatens to win with ...h3.} ({Stronger than} 54... Rxh2 55. Re5 $15) 55. Re8 Kc5 ({Worse is} 55... Rxh2 56. Ra4 $11) (55... h3 $142 56. Rh8 Ke5) 56. Rd1 Rxh2 57. Rc8+ Kd6 {( -> ...Rh1+)} 58. Rd4 $2 {[%mdl 8192]} (58. Kg1 $17 Ra2 59. Kh1) 58... Ra2 59. Rd8+ Kc5 60. Rd1 h3 {...h2 is the strong threat.} 61. Kg1 Ne2+ {Weighted Error Value: White=0.49/Black=0.11 (very precise)} (61... Rg2+ $142 62. Kh1 Ne2 63. R1xd5+ Kc4 64. Rd4+ Nxd4 65. Rh8 a4 66. Rxh3 Rd2 67. f4 gxf4 68. g5 f3 69. Rh8 a3 70. Rc8+ Kd5 71. Rg8 a2 72. Ra8 Ke4 73. g6 Nf5 74. Ra4+ Ke5 75. Ra5+ Kf4 76. Rxa2 Ng3+ 77. Kg1 Rxa2 78. g7 Rg2#) 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.3"]
[White "Lalith Babu M R"]
[Black "Adhiban, B.."]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2563"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,13,19,24,10,18,22,0,0,0,0,0,3,0,0,-14,0,0,-2,-5,0,0,0,-14,0,-18,-19,-19,-2,-41,0,-16,-15,-12,-16,-7,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. Qa4+ Nc6 6. Qxc4 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} Nb4 {[#] White must now prevent ...Nc2+.} 7. Qb3 {Prevents Nc2+.} c5 8. a3 (8. dxc5 {is more complex.} Bxc5 9. a3 Nbd5 10. Qb5+ Nd7 11. Nxd5 exd5 12. e3) 8... cxd4 9. axb4 {Nb5 is the strong threat.} dxc3 10. bxc3 {[#]} Bd6 $146 ({Predecessor:} 10... a5 11. e3 Bd7 12. Ne5 axb4 13. Rxa8 Qxa8 14. Nxd7 Nxd7 15. Bb5 Bd6 16. cxb4 Qa1 {0-1 (48) Petran,P (2369)-Horvath,A (2503) Hungary 2004}) 11. Bg5 O-O 12. e3 b6 13. Be2 Bb7 14. O-O Qc7 15. Bxf6 gxf6 16. g3 Rfc8 17. Rfc1 a5 18. bxa5 bxa5 19. Ra4 f5 (19... Bb4 $5) 20. Nd4 $1 {[%cal Od4e6] The position is equal.} Be5 21. Bf3 Bxf3 22. Nxf3 Bf6 ({Don't play} 22... Bxc3 23. Ra3 $16) 23. Nd4 Kh8 24. Qa2 Qd8 25. Nb5 Qb6 26. c4 Rd8 27. Qe2 Qc5 28. Qe1 Qb6 29. Qe2 Qc5 30. Qe1 Qb6 {An interesting draw.  Weighted Error Value: White=0.05 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.4"]
[White "Aravindh, Chithambaram VR."]
[Black "Aronyak Ghosh"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2611"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,61,-12,-10,-43,-45,-47,0,0,0,0,0,-30,0,0,56,15,47,44,48,51,55,54,80,60,62,64,65,72,88,65,80,81,79,94,73,49,53,43,37,43,278,257,521,443,1050,988,29982,29983,29983,29984,29979,29978]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Rg1 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 7. a4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} b4 8. Nd5 e6 (8... Nxe4 {looks sharper.} 9. Qf3 Nc5 10. Nb3 Ra7 11. Bf4 Nbd7) 9. Nxf6+ {The position is equal.} Qxf6 10. Be3 {[%cal Bc1e3,Be3f4,Bf4d6,Bd6e7][%mdl 32]} Bb7 11. Qd2 {[#]} Nd7 $146 ({Predecessor:} 11... Bxe4 12. f3 Bb7 13. Qxb4 Qe7 14. Qb6 Qd7 15. O-O-O Qc8 16. Nb3 Nc6 17. Bd4 e5 {1-0 (76) Nepomniachtchi,I (2784)-Giri,A (2764) chess24.com INT 2020}) 12. O-O-O Be7 ({Black should try} 12... Bxe4 $11 13. Be2 (13. Qxb4 Be7 $15) 13... Qd8) 13. g4 (13. f3 $14) 13... Qe5 14. Bf4 $1 (14. Qxb4 Bxe4 15. Qc3 Qc5 $11) 14... Qa5 (14... Qxe4 $2 15. Bg2 Qxg2 16. Rxg2 Bxg2 17. f3 $18) 15. Nb3 Qxa4 16. Bxd6 Rc8 17. Bxe7 Bxe4 {[#]} 18. Bd3 Bxd3 19. Qxd3 Kxe7 20. Qd6+ Ke8 21. Kb1 {Nd4 is the strong threat.} Qc6 22. Qxb4 {White is more active.} Qxc2+ {[#]} 23. Ka2 $1 {Strongly threatening Rc1.} Qc4 24. Qa3 {[%mdl 1024] aiming for Rc1. White has compensation.} Qb5 $1 25. Rc1 $1 {[%cal Rc1c8]} Rb8 {Loses the game.} ({Black should play} 25... Nb6 $1 $14) 26. Rgd1 $18 ({Weaker is} 26. Rc7 Qd5 27. f4 (27. Rgc1 f5 $16) 27... a5 $16) 26... a5 $2 (26... Qxb3+ {keeps fighting.} 27. Qxb3 Rxb3) 27. Rc7 {Hoping for Nd4.} a4 {[#]} (27... Rd8 $142 28. Nxa5 Ra8) 28. Na5 $1 {[%mdl 512]} Rd8 (28... g6 29. Kb1) 29. Nc6 {[%csl Gc6][%cal Ra3e7] White mates.} Qb3+ 30. Qxb3 axb3+ 31. Kb1 {Weighted Error Value: White=0.03 (flawless) /Black=0.69} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.5"]
[White "Ravi, Teja S."]
[Black "Aryan Chopra"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "2469"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,86,29,11,11,15,10,11,10,-94,-97,-191,-200,-240,-268,-258,-243,-238,-220,-239,-148,-146,-133,-208,-133,-133,-133,-140,-135,-138,-131,-150,-117,-167,-160,-166,-167,-169,-110,-119,-58,-64,-76,-95,0,0,0,-9,0,0,0,-18,0,-15,0,0,0,-107,-131,-591,-541,-1371,-1245,-12845,-12846,-29991,-12845,-29993,-29994,-29996,-29996]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 {[%cal Bd7d6,Bd6c5][%mdl 32]} 6. c4 c5 7. dxc5 dxc5 8. Nc3 Nc6 9. Be3 Be6 10. Ng5 {10.Bxc5 is setting a new trend.} Qxd1 {E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White.} 11. Rfxd1 Bxc4 12. Bxc5 Rfd8 $5 {[%mdl 4] [#] The position is equal. An interesting side line.} 13. b3 $146 (13. Bxc6 $11 bxc6 14. Bxe7) ({Predecessor:} 13. Bxc6 bxc6 14. Bxe7 Rxd1+ 15. Rxd1 Nd5 16. Nxd5 Bxd5 17. b3 f5 18. Nh3 Re8 19. Bc5 Rxe2 {½-½ (33) Henriquez Villagra,C (2491)-Grigoryan,K (2536) Barbera del Valles 2016}) 13... Nd7 $17 14. bxc4 (14. Bxc6 $17 Nxc5 15. Nge4) 14... Bxc3 $19 (14... Nxc5 15. Rdc1 $17) 15. Rac1 Nxc5 16. Rxd8+ Rxd8 17. Rxc3 Rd1+ 18. Bf1 Nd4 {Prevents Rc2. Strongly threatening ...Nxe2+. Pair of Knights!} 19. Re3 f6 20. Nf3 (20. Ne4 $17 {keeps fighting.} Nxe4 21. Rxe4) 20... Nxf3+ 21. exf3 {[%mdl 4096] Endgame KRB-KRN} e5 22. Kg2 Kf7 23. h4 Rd2 24. a3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] Black is more active.} 25. Be2 (25. Re2 $17 {was worth a try.} Nb3 26. g4) 25... a4 26. h5 g5 (26... gxh5 27. f4 $17) 27. Kf1 Ra2 (27... h6 $19 28. Kg2 b6) 28. Bd3 $17 Kg7 ({Much less strong is} 28... Rxa3 29. Bg6+ $1 hxg6 30. hxg6+ Kxg6 31. Rxa3 $16) (28... h6 $17 29. Bf5 Ke7) 29. Bf5 $15 Ra1+ 30. Kg2 {[%cal Of3f4]} Rc1 ({Black should play} 30... Kh6 $1 $17) 31. f4 $11 gxf4 32. gxf4 exf4 33. Re7+ Kh6 34. Rxh7+ Kg5 35. Rc7 Rxc4 ({Resist} 35... Kxf5 36. Rxc5+ Ke6 37. Rc7 (37. h6 f3+ 38. Kg3 Rh1 $16) 37... f3+ 38. Kxf3 Rc3+ 39. Ke4 $16) 36. Bg6 Rc3 {[%cal Oc5e4]} 37. Be8 {[#]} (37. Rg7 $11) 37... Ne4 $1 $17 38. Rxb7 $2 {[%mdl 8192] Loses the game.} (38. Rxc3 $17 {is a better chance.} Nxc3 39. Kf3) 38... f3+ $19 39. Kh2 Nxf2 40. Rg7+ Kf4 {( -> ...Rc1)} 41. Bd7 f5 (41... Rc1 $142 42. Rg1 Rc2 43. Rg2 {[#]} Ng4+ $1 {[%mdl 512]} 44. Bxg4 Rxg2+ 45. Kh1 Rxg4 46. Kh2 f2 47. h6 f1=Q 48. h7 Rh4#) 42. Bb5 Ng4+ 43. Kh3 Rc1 {Weighted Error Value: White=1.15/Black=0.27 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.6"]
[White "Sengupta, Deep"]
[Black "Das, Sayantan"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2528"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,120,37,37,30,25,36,16,55,13,19,18,26,21,16,14,27,10,20,-25,-4,-13,-13,-23,0,0,0,-15,-26,-27,-26,-32,-16,-29,-18,-30,-8,-22,-16,-56,-42,-50,-32,-64,-67,-60,-68,-68,-66,-66,-72,-72,-52,-51,-52,-60,-56,-58,-66,-64,-50,-53,-52,-41,-32,-64,-62,-57,0,0,0,0,0,0,0,0,0,0,0,-43,-33,-39,-38,-48,-29,-45,-2,-2,-1,-13,-10,-32,-34,-32,-38,-68,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Bb4 {Recently 6...Ke8 got a lot of attention.} 7. Bd2 Ke7 {B07: Pirc Defence: Miscellaneous Systems.} 8. a3 Bd6 9. Nge2 (9. O-O-O {looks sharper.} Nbd7 10. Nge2 Nb6 11. Bb3 Be6 12. f3) 9... Be6 {[#]} 10. Nd5+ $146 (10. Bxe6 $14 fxe6 11. Be3) ({Predecessor:} 10. Bxe6 fxe6 11. f3 c6 12. Nd1 Nbd7 13. a4 b5 14. b3 a6 15. Nb2 Rhc8 16. Nc3 {1-0 (57) Klauser,M (2394)-Le Floch,S (2216) Biel 2008}) 10... Nxd5 $11 11. exd5 Bf5 12. O-O-O Nd7 13. Ng3 Bg6 14. Rhe1 a6 15. Bb3 (15. h4 {is more appropriate.} h5 16. Ne4) 15... f6 16. h4 (16. f4 $5) 16... h5 17. f4 Rhe8 18. f5 Bf7 19. Be3 b5 20. Ne4 g6 21. Ng3 Rg8 22. Rf1 a5 23. Rf3 Rab8 {[%cal Ba8b8,Bb8b4,Bb4h4][%mdl 32]} 24. Ba2 Ke8 (24... b4 {is interesting.} 25. a4 e4 26. Nxe4 gxf5 27. Nxd6 cxd6 28. Rd2 Rg4) 25. Rd2 b4 26. a4 b3 27. Bxb3 Rb4 {To avoid Bc4} 28. fxg6 Bxg6 29. Nf5 Bxf5 30. Rxf5 Rxh4 31. c3 Rg3 32. Bf2 Rh1+ 33. Bd1 Rxg2 34. Rxh5 Rxh5 35. Bxh5+ Ke7 36. Bf3 Rh2 {[%cal Oe5e4]} 37. Be4 Rh5 $1 38. Bf3 Rf5 39. Bd1 e4 (39... Nb6 $15) 40. Re2 Rf4 41. b4 axb4 42. cxb4 Bxb4 43. Bg3 Rg4 44. Re3 {To avoid Ba3+} Bc5 45. Rc3 (45. Kc2 $11) 45... Rg5 $15 46. Bxc7 Rxd5 47. Bb3 Rh5 {[%cal Od7e5]} 48. Rg3 Rh7 (48... Ne5 $15 49. Rg7+ Ke8 50. Bxe5 Rxe5) 49. Bg8 $1 $11 {A strong pair of Bishops.} Rh1+ 50. Kc2 $1 e3 {[#] aiming for ...e2.} 51. Bc4 Rh2+ 52. Kd1 {Rg7+ is the strong threat.} Rd2+ 53. Ke1 f5 ({Black should play} 53... Rc2 $15 54. Rg7+ Ke8) 54. Bf4 {The position is equal.} Rd4 55. Rxe3+ Kf6 (55... Kd8 $5 56. Bg5+ Kc7 $11) 56. Re6+ Kf7 57. Re4+ Kf6 58. Rxd4 Bxd4 59. Bb5 Nc5 60. Ke2 Nxa4 {Weighted Error Value: White=0.08 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.7"]
[White "Shreyansh Daklia"]
[Black "Iniyan, P."]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2128"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,78,0,0,0,0,0,0,-56,0,-8,0,-50,0,0,41,-55,-18,-26,-27,-15,-17,-56,-12,-49,20,16,12,0,0,6,10,0,16,0,0,-237,-241,-243,-221,-316,-310,-329,-281,-289,-213,-206,-211,-252,-252,-261,-252,-254,-247,-354,-334]} 1. Nf3 Nf6 2. b3 d5 3. g3 Bf5 4. Bg2 h6 5. O-O e6 6. Bb2 Nbd7 7. c4 c6 8. d3 Bh7 9. Nbd2 Bc5 10. Qc2 O-O 11. a3 a5 12. Bc3 Qe7 13. Qb2 Bd6 14. Ne5 {A12: English Opening: 1...c6 with b3 by White.} Nc5 15. Qc2 {[#]} Rfc8 $146 ({Predecessor:} 15... Nfd7 16. Nxd7 Nxd7 17. Qb2 f6 18. b4 axb4 19. axb4 b5 20. c5 Bc7 21. e4 dxe4 22. dxe4 {1-0 (42) Gollain,M (2285)-Payen,A (2340) Bagneux 1993}) 16. h3 (16. b4 $11 axb4 17. axb4) 16... Na6 (16... b5 $15) 17. Qb2 $11 Nc5 (17... Bc7 $11 {should be considered.}) 18. Qc2 $15 Na6 ({Black should try} 18... b5 $15) 19. Qb2 $11 c5 (19... Nc5 $11) 20. d4 (20. Ng4 $1 $14 Nxg4 21. hxg4) 20... cxd4 (20... a4 $5) 21. Bxd4 b5 22. Rfc1 (22. cxb5 Rc2 $1 23. Qxc2 (23. Nc6 $2 Qb7 $19) 23... Bxc2 $17) 22... bxc4 23. bxc4 Rab8 (23... Nc5 $15) 24. Qa2 {[%cal Rc4d5]} (24. cxd5 $5 exd5 25. Rxc8+ Rxc8 26. Nef3 $11) 24... Bc5 (24... Nc5 $1 $15) 25. e3 {[%cal Rc4d5]} Be4 26. cxd5 Bxg2 27. Kxg2 {Nc6 is the strong threat.} Nxd5 28. Rab1 {aiming for Bxc5.} ({But not} 28. Qc4 Qb7 29. e4 {[#]} Bxa3 $1 30. Rxa3 Rxc4 31. Nexc4 Ndb4 $17) 28... Ra8 29. Bxc5 Rxc5 30. Ne4 {[#] Inhibits Nc3.} (30. Qb2 $11) 30... Nxe3+ $1 $19 {[%mdl 512]} 31. fxe3 Rxe5 32. Qc4 (32. Nf2 $142) 32... Qxa3 33. Rc3 Qe7 34. Qc6 Qe8 35. Qxe8+ Rxe8 36. Nd6 Rd8 37. Rb6 Nc5 {White must now prevent ...Na4.} 38. Ra3 {To avoid Na4} a4 39. Kf3 (39. Nc4 $142 Rg5 40. h4) 39... Rd5 {Weighted Error Value: White=0.41/Black=0.21 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.8"]
[White "Mitrabha, Guha"]
[Black "Vignesh N R"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2510"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,121,-12,-18,-14,-32,-31,-31,-31,-21,-27,-22,-29,-33,0,-7,0,-4,14,16,52,37,96,13,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,9,0,23,0,41,35,47,36,32,44,56,20,21,20,20,24,24,16,24,24,25,23,31,0,0,0,0,0,0,0,0,0,0,0,0,0,503,994,998,954,2953,2469,12833,12833,12833,12834,12841,12841,12841,12841,12843,12843,12844,12843,12845,12846,12846,12847,12847,12847]} 1. Nf3 d5 2. c4 e6 3. b3 d4 4. e3 c5 5. exd4 cxd4 6. g3 Nc6 7. Bg2 Nf6 8. O-O Bd6 9. d3 O-O {A13: English Opening: 1...e6.} 10. Bg5 h6 11. Bxf6 Qxf6 {Black is slightly better.} 12. Nbd2 {[%cal Bb1d2,Bd2e4,Be4d6][%mdl 32]} Qe7 13. Ne1 e5 14. Nc2 Nb4 15. Ne4 Nxc2 16. Qxc2 Bb4 17. c5 Bf5 18. Nd6 $1 Bg6 {[#]} (18... Bg4 $14) 19. Bxb7 $146 {White is more active.} (19. Qc4 $1 $16 {[%cal Rc4b4]} Bc3 20. Rac1 (20. Bxb7 Rab8 $11)) ({Predecessor:} 19. Qc4 Bc3 20. Rac1 Rad8 21. Nxb7 Rb8 22. c6 Rfc8 23. h3 e4 24. dxe4 Qf6 25. f4 Rxc6 {1-0 (40) Wahls,M (2561)-Handke,F (2427) Hamburg 2002}) 19... Rad8 $11 {aiming for ...Rxd6.} 20. Be4 {Strongly threatening Bxg6.} Bxc5 $1 21. Qxc5 Qxd6 22. Qxd6 Rxd6 23. Bxg6 Rxg6 {[%mdl 4096] Endgame KRR-KRR} 24. Rfe1 Re8 25. Rac1 {[%cal Of2f4]} Ra6 26. Re2 f6 27. Rc7 Kf8 28. Kg2 Re7 29. Rc8+ Kf7 30. Kf3 f5 31. Rec2 Rd6 32. Ke2 h5 33. h4 g6 (33... Ra6 $11) 34. R2c6 $14 Rxc6 35. Rxc6 {KR-KR} Re6 $1 36. Rc7+ Re7 37. Rc4 Re6 38. Kd2 Ra6 39. a4 Ke6 40. f4 Kd5 41. fxe5 Rb6 42. b4 Kxe5 43. Kc2 {Threatens to win with Rc5+.} f4 $1 44. gxf4+ Kxf4 45. Rxd4+ Kg3 $1 46. a5 Rb7 47. Kc3 g5 48. hxg5 {Rd8 is the strong threat.} h4 49. Rd6 {And now Rh6 would win.} h3 $2 {[%mdl 8192]} (49... Rc7+ $11 50. Kd4 Rg7) 50. Rh6 $18 {White is clearly winning.} h2 51. d4 {[%cal Bd3d4,Bd4d5,Bd5d6,Bd6d7][%mdl 32]} Kg2 52. d5 $1 h1=Q 53. Rxh1 Kxh1 {[#] KR-KP} 54. Kc4 $1 Kg2 55. d6 a6 56. g6 ({Inferior is} 56. b5 axb5+ 57. Kc5 Rg7 $11) 56... Kf3 57. Kd5 ({Weaker is} 57. b5 axb5+ 58. Kc5 Rg7 $11) 57... Rg7 58. Ke5 ({Stronger than} 58. b5 axb5 59. Kc5 b4 60. Kxb4 Kf4 $11) 58... Rxg6 {[#]} 59. d7 $1 Rg8 60. Kd6 Ke4 61. Kc7 {Weighted Error Value: White=0.08 (flawless) /Black=0.25 (precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.9"]
[White "Harsha Bharathakoti"]
[Black "Laxman, R.R."]
[Result "1/2-1/2"]
[ECO "E38"]
[WhiteElo "2499"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,64,22,25,25,27,45,41,45,29,42,29,35,31,36,8,39,39,39,39,39,39,60,39,46,37,40,37,61,35,35,35,52,57,63,64,125,124,165,57,52,0,14,23,14,10,23,0,0,0,-3]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Qc7 6. a3 Bxc5 7. b4 Be7 8. Nb5 Qc6 9. Nf3 {aiming for Nfd4.} d6 {E38: Nimzo-Indian: Classical: 4...c5.} 10. e4 a6 11. Nc3 O-O {White is slightly better.} 12. Bd3 {[#]} b6 $146 ({Predecessor:} 12... Qc7 13. O-O Nbd7 14. Bf4 b6 15. Rfe1 Bb7 16. e5 dxe5 17. Nxe5 Rfd8 18. Rad1 Bd6 19. Nxd7 Rxd7 20. Bxd6 Rxd6 {½-½ (52) Teh,E (2228)-Cruz,C (2563) Montcada 2014}) 13. O-O Bb7 14. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} Nbd7 15. Rac1 Ne5 (15... h6 {seems wilder.} 16. Bd2 Ng4 17. Nd4 Qc7 18. Be2 Nge5) 16. Nxe5 dxe5 17. Rfd1 h6 18. Bh4 Rfe8 19. Bg3 Nd7 20. Qe2 Bg5 21. Rc2 {[%cal Oc4c5]} (21. Rb1 {feels hotter.} Qc7 22. f3 Nb8 23. h4 Be7 24. Qb2) 21... Bf4 22. f3 (22. Bh4 {is more complex.} Nf8 23. f3 h5 24. Nb1 Nd7 25. Bf2) 22... Bxg3 23. hxg3 Qc7 24. Qe3 Red8 25. Be2 Rac8 ({Black should play} 25... Nf6 $14) 26. Rcd2 $16 {White is more active.} Bc6 {[#]} (26... Kf8 $16 {is a better defense.} 27. Rd6 Ke8) 27. Rd6 (27. b5 $1 $18 {[%cal Rb5c6]}) 27... Nb8 $14 28. Qd2 {[%cal Rd6d8]} Rxd6 29. Qxd6 Qxd6 30. Rxd6 {Strongly threatening b5.} Kf8 $1 31. b5 axb5 32. cxb5 Ke7 $1 {Weighted Error Value: White=0.15 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.10"]
[White "Puranik, Abhimanyu"]
[Black "Panda Sambit"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2618"]
[BlackElo "2059"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,107,23,26,27,23,24,27,28,19,46,19,18,37,64,28,25,0,11,12,11,0,0,0,9,0,26,27,33,16,24,29,27,17,37,43,38,34,41,12,33,39,44,39,77,21,20,2,68,64,86,25,25,25,25,25,26,-37,-37,-37,-12,-37,-37,-37,-37,-37,-1,-14,-2,-32,-3,-45,0,-33,0,-55,-47,-47,-39,-45,0,-56,-44,-49,0,-51,-49,-57,-64,-85,-34,-102,0,0,0,-149,-114,-137,-134,-158]} 1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Be6 {B11: Caro-Kann: Two Knights Variation.} 7. b3 Nd7 8. Bb2 Nf6 {White has an edge.} 9. Qf4 {[#]} Nd5 $146 ({Predecessor:} 9... Bd5 10. Ne5 g5 11. Qb4 Bg7 12. c4 Be6 13. Qxb7 O-O 14. Nxc6 Qd6 15. Be5 Qa3 16. Qxe7 {1-0 (28) Preotu,R (2473)-Salimova,N (2353) Chess.com INT 2022}) 10. Qe5 Bg4 11. Qg3 Bf5 12. c4 ({Don't blunder} 12. Bxg7 $2 Rg8 13. Qe5 Bxg7 $19) (12. Nd4 $5 {[%cal Rd4f5]} Be4 13. Bc4 $11) 12... Nf6 13. Qf4 e6 14. Be2 h6 15. h3 Bd6 16. Qe3 Qe7 17. Ne5 Bc5 18. d4 $1 Bb4+ 19. Kf1 $1 Ba3 20. Bxa3 Qxa3 21. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Bh7 22. Kg2 Rd8 23. h4 Nd7 24. Nf3 (24. d5 $5) 24... Qe7 (24... Nf6 $5 {[%cal Rf6g4]}) 25. Rad1 h5 26. g5 Bf5 27. Ne5 (27. Nh2 $16) 27... g6 $11 28. c5 O-O (28... Nxe5 $11 29. dxe5 Rd5) 29. Nc4 $14 {White is much more active. Black has bad knights.} Nb8 30. Nd6 (30. Rhg1 $16) 30... Rxd6 $11 31. cxd6 Qxd6 32. Qe5 Qd8 33. Bd3 (33. Bf3 $11) 33... Bxd3 $15 34. Rxd3 Na6 {To avoid Qc5} (34... Nd7 $5 {[%cal Rd7e5]} 35. Qd6 Nb6 36. Qxd8 Rxd8 $11) 35. a3 (35. b4 $5) 35... Nc7 {[%mdl 1024] Black has compensation.} 36. b4 Nd5 37. Rc1 Qe7 38. Rf3 Qd7 39. Rc5 Rd8 40. Rc1 (40. Rb3 $11) 40... Rf8 (40... a6 $1 $15) 41. Rb1 Rd8 42. Kg1 ({Better is} 42. Rc1 $1 $11) 42... a6 43. Re1 Nb6 44. Rf4 Nd5 (44... Nc4 $15 {deserves consideration.} 45. Qf6 Rf8) 45. Rfe4 (45. Rf3 $11) 45... Nc3 46. R4e3 Nd5 (46... Nb5 $1 $15 {is more appropriate.}) 47. Rd3 ({White should try} 47. Re4 $11) 47... Ne7 48. Re4 Nf5 49. a4 Qe7 (49... Qd5 $17 50. Ra3 Nxd4) 50. b5 (50. Qc5 $15) 50... Rd5 (50... Qb4 $17 {aiming for ...Qb1+.} 51. bxa6 bxa6) 51. Qb8+ $11 Rd8 52. Qf4 (52. Qe5 $11) 52... axb5 $17 53. axb5 {[#]} Qb4 $1 {Threatens to win with ...Qb1+.} ({Not} 53... cxb5 54. Rc3 $17) 54. Rd1 {Prevents Qb1.  Weighted Error Value: White=0.24 (precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.11"]
[White "Srihari L R"]
[Black "Sethuraman, S.P."]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2400"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,72,0,0,-2,1,-16,13,0,0,-47,-11,-13,-12,-11,-10,-25,-25,-8,-8,-24,-34,-41,-27,-9,16,-47,-50,-47,-45,-87,-61,-63,-50,-70,-39,-48,-45,-104,-97,-97,-95,-132,-55,-57,-57,-77,-52,-47,-16,-16,-18,-14,0,0,0,0,0,0,-2,-4,3,3,73]} 1. d4 Nf6 2. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} e6 3. Nd2 h6 4. Bh4 Be7 5. e3 b6 6. Ngf3 Bb7 7. a4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} a5 {[#]} 8. Bd3 $146 ({Predecessor:} 8. c3 O-O 9. Qc2 d5 10. Bxf6 Bxf6 11. g4 Nd7 12. h4 Be7 13. Be2 Ba6 14. g5 h5 15. Bxa6 Rxa6 {1-0 (32) Kincs,I (2210)-Hrbolka,L (2089) Zalakaros 2018}) 8... d6 (8... g5 $5 {[%cal Rg5h4]} 9. Bg3 g4 $11) 9. Bg3 Nh5 10. Be4 (10. c3 $11) 10... Bxe4 11. Nxe4 O-O 12. Nfd2 g6 13. f3 Nxg3 14. hxg3 Kg7 15. f4 Nd7 16. Qf3 f5 (16... d5 $5 {[%cal Rd5e4]} 17. Nf2 c5 $11) 17. Nf2 Nf6 18. e4 (18. g4 $1 $11) 18... d5 $36 {[%mdl 2048] Black is more active.} 19. exf5 exf5 20. g4 (20. Nd3 $15 {was preferrable.}) 20... fxg4 (20... Nxg4 {keeps more tension.} 21. Nxg4 fxg4 22. Qxg4 Bd6 23. g3 Qe7+) 21. Nxg4 Nxg4 22. Qxg4 Qc8 (22... Qe8 {seems wilder.} 23. g3 Bf6+ 24. Kf1 Qe3 25. Nf3 Bxd4 26. Kg2 Rf5) 23. Qxc8 Raxc8 24. O-O {[#]} ({White should play} 24. g3 $15) 24... c5 $1 $17 25. Rae1 Bd6 26. dxc5 Bxf4 ({Better is} 26... Bxc5+ $17 27. Kh1 Bd6) 27. Re7+ Kg8 $1 28. Nf3 bxc5 29. Rfe1 Rf7 30. R7e6 $1 {The position is equal.} Kh7 31. Ne5 Rg7 32. Ng4 {[#] Threatening mate with Nf6+.} Bg5 33. R1e5 d4 34. Nf6+ Bxf6 35. Rxf6 Rcc7 36. Ra6 Kg8 {Weighted Error Value: White=0.13 (very precise) /Black=0.11 (very precise)} (36... Rgd7 $11) 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.12"]
[White "Sidhant, Mohapatra"]
[Black "Visakh N R"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2359"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,12,12,21,16,12,15,14,11,7,10,32,8,1,18,-8,-10,-6,-4,-10,0,-57,-47,-123,-113,-285,-291,-466,-453,-462,-491,-709,-716,-977,-949,-1130,-1157,-1169,-859]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e6 $1 {The main line 6...e6 scores better than 6...b5.} 7. c3 b5 8. Bc2 {The position is equal.} c4 9. a4 Bb7 10. axb5 axb5 11. Rxa8 Qxa8 12. Na3 Bxe4 13. Bxe4 Nxe4 14. Nxb5 {[#] Strongly threatening Nc7+.} Qb7 {Inhibits Nc7+.} 15. Qa4 ({White should try} 15. d3 $11) 15... d5 $15 {[%cal Bd6d5,Bd5e4][%mdl 32] ...Bc5 is the strong threat.} 16. d4 {To avoid Bc5} (16. b3 $1 $15 Bc5 17. Nfd4) 16... cxd3 $17 {Threatens to win with ...Bc5.} 17. Bf4 $2 {White does not recover from this.} (17. Be3 $17) 17... Bc5 $19 18. Nc7+ $2 (18. Nbd4 O-O 19. Rf1) 18... Ke7 {Black is clearly winning.} 19. Nd4 {[#]} Rc8 $146 ({Predecessor:} 19... Qxb2 20. Be3 Qb6 21. Nf5+ Kf6 22. Qxd7 d2 23. Rd1 Qb3 24. Bd4+ Bxd4 25. Qe7+ Kg6 26. Nh4+ Kh6 27. Nf5+ exf5 28. Qh4+ Kg6 {0-1 (28) Naroditsky,D (2621)-Sarana,A (2649) Lichess.org INT 2021}) 20. Rxe4 (20. f3 $142 Qxb2 21. fxe4 Qxc3 22. Kf1 Qxd4 23. Qxd4 Bxd4 24. exd5) 20... dxe4 21. Nc6+ Kf8 22. b4 {[#]} e5 $1 23. Nxe5 (23. Na5 Qxc7) 23... Rxc7 {Weighted Error Value: White=0.67/Black=0.00 (flawless)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.13"]
[White "Utsab Chatterjee"]
[Black "Arjun Kalyan"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2321"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,111,12,10,13,15,15,15,13,12,18,12,28,8,19,0,0,0,0,0,0,0,13,-22,0,-25,-8,-16,0,-20,0,-21,0,-43,-55,-49,-42,-39,-29,-50,-64,-87,-55,-91,-93,-103,-71,-176,-64,-56,-63,-97,-84,-37,-75,-52,0,0,0,0,0,-9,-8,-541,0,0,0,0,245,235,257,260,252,246,239,235,260,245,239,210,261,225,422,414,694,657,833,700,4943,2372,6439,6440,5498,5866,29984,29980,29980,29981,29986,29987,29987,29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nc3 {7.c3 gains popularity.} d6 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 8. Nd5 h6 {Inhibits Bg5.} 9. c3 Be6 {The position is equal.} 10. Nxf6+ Qxf6 11. O-O Ne7 12. h3 O-O 13. Be3 Bxe3 14. fxe3 {[#]} c5 $146 ({Predecessor:} 14... Qg6 15. Kh2 Bxb3 16. Qxb3 d5 17. g3 Qd6 18. exd5 Nxd5 19. Rae1 e4 20. dxe4 Nb6 {½-½ (54) Montalvo,M-Mazzonna,R (1669) ICCF email 2021}) 15. Kh2 Qg6 16. a4 c4 17. Ba2 Rab8 18. Rf2 Rfd8 19. Bb1 Qh5 20. Rd2 g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 21. axb5 g4 22. Ng1 (22. bxa6 $11 gxf3 23. Qxf3 Qxf3 24. gxf3) 22... axb5 $15 ({Don't take} 22... g3+ 23. Kxg3 Qxd1 24. Rxd1 $14) 23. Ra6 Ng6 24. Bc2 Qg5 25. Qe1 h5 26. g3 gxh3 27. Nxh3 Qh6 ({But not} 27... Bxh3 $6 28. Kxh3 Ra8 29. Rxa8 Rxa8 30. dxc4 bxc4 31. Bd1 $11) 28. Bd1 Kg7 29. Qf2 (29. Ng1 $17) 29... cxd3 (29... Nf8 $1 $19 {Hoping for ...Nd7.} 30. Qe1 Nh7 31. dxc4 Bxh3 32. Kxh3 Ng5+ 33. Kh2 bxc4) 30. Rxd3 b4 $1 31. Raxd6 Rxd6 32. Rxd6 {[%cal Oc3c4]} bxc3 33. bxc3 {[%cal Oc3c4]} Bxh3 (33... Ra8 $15) 34. Qf6+ $11 ({Much worse is} 34. Kxh3 Nf4+ $1 {[%mdl 512]} 35. exf4 (35. gxf4 $2 Qxd6 36. Qg3+ Kf8 $19) 35... Qxd6 36. Bxh5 Qe6+ 37. Kg2 Ra8 $17) 34... Kg8 {...Be6 is the strong threat.} 35. Kxh3 {aiming for Be2.} h4 36. gxh4 Qxe3+ 37. Bf3 $2 {[%mdl 8192] [#]} (37. Kg4 $1 $11) 37... Nf4+ $2 (37... Rb1 $1 $19 {[%cal Rb1h1] ( -> ...Rh1+)} 38. Rd8+ Kh7 39. Qxf7+ Kh6 40. Rh8+ Nxh8 41. Qf8+ Kh7 42. Qe7+ Kg8 43. Qe8+ Kg7 44. Qxe5+ Kf7 45. Qd5+ Kf8 46. Qd6+ Kg8 47. Qd8+ Kg7 48. Qd4+ Qxd4 49. cxd4 Rb4) 38. Kg4 Qg1+ 39. Kf5 Qg6+ {Black is now going downhill.} (39... Ng6 $11 {and Black has nothing to worry.}) 40. Kxe5 {The board is on fire.} Nd3+ 41. Kd4 Qxf6+ 42. Rxf6 $18 {[%mdl 4096] Endgame KRB-KRN} Rd8+ 43. Ke3 Ne5 44. Be2 {Prevents Rd3+.} Kg7 45. Rb6 Rh8 46. Rb5 Kf6 (46... f6 {was worth a try.} 47. Rb7+ Kg6 48. h5+ Kg5) 47. h5 {Strongly threatening Kf4.} Rc8 (47... Rd8 $142 48. c4 Rc8) 48. Kf4 Re8 49. c4 {[%cal Bc3c4,Bc4c5][%mdl 32] Threatens to win with Rd5.} Re6 50. Rd5 {And now c5 would win.} Re8 51. c5 Re7 52. Bb5 {Intending c6 and mate.} Re6 {Prevents c6.} 53. c6 {White mates.} Nxc6 54. Bxc6 Rxc6 {[#]} 55. Rd6+ $3 {[%mdl 512]} Rxd6 56. e5+ {Weighted Error Value: White=0.29 (precise) /Black=0.75} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.02.28"]
[Round "6.14"]
[White "Anuj Shrivatri"]
[Black "Swapnil, S. Dhopade"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2350"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,43,43,44,38,39,0,0,0,38,28,18,20,65,63,52,65,57,62,52,59,56,59,61,60,59,60,59,64,55,0,62,64,60,16,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. e4 O-O {seems to push 7...d6 aside.} 8. a4 Bb7 {A57: Benko/Volga Gambit.} 9. Bg5 h6 {[#]} 10. Bf4 $146 (10. Bxf6 $5 Bxf6 11. Nf3 $14) ({Predecessor:} 10. Bxf6 Bxf6 11. Nf3 d6 12. Nd2 Bd4 13. Bc4 axb5 14. Bxb5 Na6 15. O-O Nc7 16. Nc4 {½-½ (43) Pundak,M (2311)-Ketelhoehn,B (2369) ICCF email 2018}) 10... e6 $1 11. Bc4 axb5 (11... Qa5 {feels hotter.} 12. Nge2 axb5 13. Bxb5 Nxe4 14. O-O Nf6) 12. axb5 Rxa1 13. Qxa1 Nxe4 14. Nxe4 $14 exd5 15. Nd6 dxc4 16. Nxb7 {Pair of Knights!} Qb6 {[%csl LRb5,LRb7]} 17. Nd6 g5 18. Bg3 {h4 is the strong threat.} (18. Nxc4 $2 Qe6+ 19. Be3 (19. Ne2 $2 Qxc4 20. Be3 Qb4+ 21. Bd2 Qxb5 $19) 19... Qxc4 $19) 18... f5 $1 19. Qd1 $1 f4 {Strongly threatening ...Bd4.} 20. Qd5+ (20. Nxc4 Qxb5 21. b3 (21. Qd5+ Kh8 $17) 21... Qc6 $17) 20... Kh7 $1 {[#]} 21. Nh3 $1 {[%cal Og3f4] aiming for Bxf4!} Rf6 {[#]} 22. Nxc4 ({Of course not} 22. Qe4+ Kg8 23. Nxc4 Qxb5 $15) (22. Bxf4 $1 $14 gxf4 23. Nxc4 Qe6+ 24. Qxe6 Rxe6+ 25. Kd1) 22... Qe6+ (22... Re6+ $1 $11 23. Kd2 (23. Kf1 Qa7 $11) 23... Qxb5 24. Bxf4 g4) 23. Qxe6 Rxe6+ 24. Kd2 (24. Kd1 $1 $14 {is superior.}) 24... d5 $1 $11 {[#] The position is equal.} 25. Nxf4 $1 gxf4 26. Bxf4 dxc4 27. Bxb8 {[%mdl 4096] Endgame Hoping for Bc7. KRB-KRB} Rb6 28. Ba7 Rxb5 29. Rc1 $1 Rxb2+ 30. Ke1 Bd4 {Threatens to win with ...c3.} 31. Rxc4 Rb1+ 32. Ke2 Rb2+ 33. Ke1 Rb1+ 34. Kd2 Rb2+ 35. Ke1 {Weighted Error Value: White=0.06 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.1"]
[White "Erigaisi Arjun"]
[Black "Visakh N R"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2633"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,63,12,15,0,24,29,43,0,0,0,0,0,19,0,7,35,61,49,52,45,43,38,45,48,73,81,79,21,31,27,21,7,8,7,5,5,5,5,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {Krasenkow,Michal} Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. Ne5 Bb4+ 7. Bd2 {E04: Open Catalan: 5 Nf3.} Be7 (7... Qxd4 $5 {[%cal Rb4c5]} 8. Bxb4 Qxe5 $14) 8. e3 b5 9. b3 {White is slightly better.} cxb3 10. axb3 {[%cal Ba2b3,Bb3b4][%mdl 32]} Bb7 11. Ba5 Qc8 {[#]} 12. Qf3 $146 {[%mdl 1024] White has compensation.} ({Predecessor:} 12. O-O c5 13. Bxb7 Qxb7 14. dxc5 Nc6 15. Nxc6 Qxc6 16. b4 h5 17. Nd2 h4 18. Qf3 {1-0 (43) Gelfand,B (2655)-Bartel,M (2600) Skopje 2019 CBM 189 [Krasenkow,Michal]}) 12... O-O 13. O-O Nfd7 14. Nd3 {White is much more active.} Na6 15. b4 $1 Rb8 {[%cal Oc6c5]} 16. Qe2 Nb6 17. Na3 $1 Nc4 18. Nxc4 bxc4 19. Ne5 ({Better is} 19. Nc5 $16) 19... Nxb4 $11 20. Bxb4 Bxb4 21. Rxa7 {[%cal Ba1a7,Ba7c7,Bc7d7][%mdl 32] The position is equal.} c5 $1 $132 {[%mdl 2048] Black is not keeping still} 22. Qxc4 Bxg2 23. Kxg2 {Black should prevent Rc1.} cxd4 24. Rc7 Qd8 25. exd4 Be7 $1 26. Rd7 Qe8 27. Ra1 {[#] Black must now prevent Raa7.} Bf6 {Threatens to win with ...Bxe5.} 28. Raa7 {aiming for Nxf7.} Bxe5 29. dxe5 Ra8 30. Rab7 Rb8 31. Rbc7 Rc8 32. Rxc8 {Weighted Error Value: White=0.08 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.2"]
[White "Lalith Babu M R"]
[Black "Gukesh D"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2563"]
[BlackElo "2614"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,60,10,6,23,18,22,17,24,-18,78,60,83,61,55,13,16,21,18,26,25,30,28,25,22,20,19,25,22,23,22,22,35,29,34,33,44,19,14,14,14,14,13,13,13,14,11,16,16,14,12]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Bd2 Re8 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. a3 Bf8 9. Qc2 h6 10. O-O-O {[#]} (10. Rd1 {was preferrable.}) 10... e5 $146 (10... a6 $11) ({Predecessor:} 10... a6 11. Rg1 dxc4 12. g4 Nd5 13. g5 h5 14. Bxc4 b5 15. Bd3 Bb7 16. Bh7+ Kh8 {1-0 (41) Mamedyarov,S (2765)-Ding,L (2799) Chess.com INT 2021}) 11. cxd5 $16 Nxd5 12. Nxd5 Qxd5 13. Bc4 (13. dxe5 $14 Be6 14. Bc3) 13... Qd6 $1 $11 14. Qe4 Bd7 (14... Qe7 {keeps more tension.} 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. Qxe5 Rxe5 18. Bc3 Re4) 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. Qxe5 Rxe5 18. Bc3 {[%csl LRd7,LRe5]} Re7 19. Rd2 Bc6 20. Bd5 Bxd5 21. Rxd5 c6 22. Rd3 f6 23. Rhd1 Kf7 24. g4 Ke8 {The position is equal.} 25. h4 a5 26. g5 fxg5 27. hxg5 hxg5 28. Rg1 Rf7 29. Rxg5 Rxf2 30. Bxg7 Rf7 {Weighted Error Value: White=0.06 (flawless) /Black=0.12 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.3"]
[White "Iniyan, P."]
[Black "Adhiban, B.."]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2516"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,87,44,23,41,40,33,38,52,59,63,44,64,68,68,77,70,116,136,77,77,79,69,75,75,74,86,51,44,43,41,49,49,55,47,29,51,67,46,62,181,179,449,373,377,376,585,597,581,580,604,584,703,619,900,893,831,625,875,847,972,966,2004,1921,1786,1656,2357,2543,2652,2572,29977,29979,29979,29980,29980,29981,29981,29982]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bc2 (7. Bb3 $5 {[%cal Rd2d4]}) 7... d5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 8. a4 dxe4 {[#]} 9. axb5 $1 Bg4 {[%cal Oe8g8] White is slightly better.} (9... exf3 10. Qxf3) 10. bxc6 {[%cal Oh2h3]} exf3 11. gxf3 Bh3 {Nowadays more popular than 11...Be6.} 12. Re1 $1 O-O 13. Ra5 $1 Qd6 {[%cal Oe5e4] Threatens to win with ...e4!} 14. b4 Bxf2+ 15. Kxf2 e4 16. Kg1 Rae8 {And now ...exf3 would win.} 17. Re3 {[%cal Rf3e4]} (17. Rxa6 exf3 18. Rf1 Re2 19. Rf2 Qe5 20. Bxh7+ Nxh7 21. d4 Re1+) 17... Nh5 {[#] ( -> ...Qg6+)} 18. Rg5 {Prevents Qg6.} (18. Rxh5 Qg6+) (18. Rxe4 f5 19. Rh4 Qg6+ 20. Rg4 Bxg4 21. fxg4 Nf4 $19) 18... Qh6 19. f4 (19. Rg4 f5 20. Rg2 (20. Bb3+ $2 Kh8 $19) 20... Bxg2 21. Kxg2 (21. Bb3+ $2 Kh8 $19) 21... Nf4+ 22. Kh1 Qh3 $19) 19... Nxf4 20. Reg3 f5 $1 21. Rxg7+ Qxg7 22. Rxg7+ Kxg7 23. Qe1 Rf6 {Strongly threatening ...Rg6+.} 24. Qe3 Rg6+ 25. Kf2 {[%cal Bg1f2,Bf2e1,Be1d1,Bd1c1][%mdl 32] [#]} ({Avoid the trap} 25. Kh1 $2 Bg2+ 26. Kg1 Nh3+ 27. Qxh3 Bxh3+ $19) 25... Rg2+ $146 {Black is on the road to losing.} ({Black should try} 25... Rg4 $14) ({Predecessor:} 25... Rg4 26. Na3 Re6 27. Bb1 Kf7 28. Nc4 Rg2+ 29. Ke1 Re2+ 30. Qxe2 Nxe2 31. Kxe2 f4 {½-½ (39) Osipov,A (2413)-Mueller,K (2455) LSS email 2020}) 26. Ke1 $18 Rg4 {[#]} (26... Re2+ 27. Qxe2 Nxe2 28. Kxe2 Re6) 27. Kd1 $1 Bf1 {White must now prevent ...Be2+.} 28. Ba3 Nd5 (28... Kg6 $142 29. Kc1 Nd3+ 30. Bxd3 Bxd3) 29. Qd4+ Nf6 30. Qa7 Kg6 31. Kc1 f4 32. b5 Bd3 33. Bxd3 exd3 34. bxa6 f3 35. Bc5 Ra4 36. Qxc7 Ra2 37. Qg3+ Kf7 38. c7 {Hoping for Na3.} Rc2+ 39. Kd1 Rb2 40. Na3 Rxd2+ 41. Kxd2 {White mates.} Ne4+ 42. Kxd3 Nxg3 43. hxg3 Ke6 44. Nc4 {Weighted Error Value: White=0.13 (very precise) /Black=0.37} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.4"]
[White "Aravindh, Chithambaram VR."]
[Black "Das, Sayantan"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2611"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,83,14,44,45,31,53,65,66,77,44,45,46,43,43,50,58,62,45,98,25,72,60,65,60,50,58,58,67,39,0,0,0,0,0,0,0,9,7,22,18,17,0,0,0,0,0,62,27,76,65,74,-204,56,60,190,188,375,369,381,375,349,343,460,460,470,470,937,926,896,893,752,507,593,537]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. Nc3 Na6 7. e4 {[%cal Be2e4,Be4e5][%mdl 32] A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} c5 8. e5 Ng4 9. exd6 {[#] White is slightly better.} cxd4 $146 ({Predecessor:} 9... exd6 10. Bg5 Qb6 11. h3 Nf6 12. Bxf6 Bxf6 13. Nd5 Qd8 14. Nxf6+ Qxf6 15. c3 Rb8 {1-0 (24) Pert,N (2543)-Paterson,A (2201) Ascot 2013}) 10. Nxd4 Qxd6 11. Ndb5 Qxd1 12. Rxd1 Nb4 13. Bg5 f6 14. Bd2 {White is more active.} Bf5 (14... Ne5 $1 $14) 15. Ne4 (15. Bxb7 Rab8 16. Bf3 Ne5 $11) (15. Nd4 $16) 15... Nxc2 (15... Bxe4 $11 16. Bxb4 (16. Bxe4 f5 $11) 16... Bxg2 17. Kxg2 Rfc8) 16. Rac1 $16 a6 17. Nc7 Nd4 {...Ne2+ is the strong threat.} 18. Nxa8 {Hoping for Nb6.} Ne2+ 19. Kf1 Nxc1 20. Bxc1 {Strongly threatening Nb6.} (20. h3 $5 Ne5 21. Bxc1 Rxa8 22. Nc5 $11) 20... Rxa8 21. Nc5 Rc8 $1 $36 {[%mdl 2048] Black is more active.} 22. b4 b6 23. Bb7 Rb8 (23... bxc5 24. Bxc8 Bxc8 25. Rd8+ Kf7 26. Rxc8 cxb4 27. Rc4 $18) 24. Bd5+ Kh8 25. Nxa6 Rd8 26. Bf3 Rc8 27. Bb7 Rc2 28. h3 (28. Rd8+ Bf8 $1 29. Bf4 (29. Rxf8+ Kg7 $17) 29... Kg7 $15) 28... Nxf2 (28... Rxf2+ $2 29. Kg1 Rc2 30. hxg4 $18) ({Black should play} 28... Bh6 $1 $11 29. hxg4 Rxc1 30. Rxc1 Bd3+ 31. Ke1 Bxc1) 29. Rd8+ $14 Bf8 {[#]} 30. Bd2 $1 ({Don't play} 30. Rxf8+ Kg7 31. Rd8 Bd3+ 32. Ke1 Re2+ 33. Kf1 Rc2+ 34. Ke1 Re2+ 35. Kf1 Rc2+ $11) 30... Nxh3 (30... Bd3+ $2 31. Kxf2 Rxd2+ 32. Ke3 $18) 31. Rxf8+ Kg7 32. Rd8 {To avoid Bd3+} Bg4 ({Black should try} 32... Ng5 $14) 33. a4 $18 {Threatens to win with a5.} h5 $2 (33... Ng5 {keeps fighting.} 34. Be3 Ra2) 34. a5 bxa5 35. bxa5 {And now Nb4 would win.} Ra2 36. Nc5 Ra1+ 37. Kg2 {White is clearly winning.} Rg1+ 38. Kh2 Rf1 (38... Ra1 $142 39. a6 Ng5 40. Bxg5 fxg5) 39. Bg2 {[%csl LRf1,LRh3]} Rf2 40. Ne4 ({Less strong is} 40. a6 Bf3 41. Rd3 (41. Kxh3 Bxg2+ 42. Kh4 Bd5 $11) 41... Ng5 42. Ne6+ (42. Bxg5 Rxg2+ 43. Kh3 Rf2 $18) 42... Nxe6 43. Rxf3 Rxd2 $14) 40... Re2 41. Bc3 {Black must now prevent Rd2.} Bf3 {[#]} 42. Rd2 $1 {Weighted Error Value: White=0.15 (very precise) /Black=0.27 (precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.5"]
[White "Mitrabha, Guha"]
[Black "Aryan Chopra"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2510"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,166,-4,-6,4,3,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,10,16,21,5,20,18,21,0,0,0,20,0,0,0,10,7,7,7,8,8,10,0,4,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,8,0,8,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,19,8,8,8,8,8,8,8,8,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 {[%cal Be7e6,Be6d5][%mdl 32]} 3. c4 b6 4. Nc3 Bb7 5. e3 d5 6. cxd5 exd5 7. Bb5+ c6 8. Bd3 {The position is equal.} Nbd7 {E14: Queen's Indian: Classical Variation (4 e3).} 9. O-O Bd6 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 h6 13. Bc2 O-O $1 14. Qd3 {[%csl Gc2][%cal Rd3h7] [#]} Nf6 {Inhibits Qh7+.} 15. Ne5 Bxe5 16. dxe5 Qxd3 17. Bxd3 Nd5 18. Bd2 {[#]} a5 $146 ({Predecessor:} 18... Rad8 19. Rad1 Nc7 20. Be3 Nd5 21. Bd2 {½-½ (21) Baier,G-Drobka,M GER email 2007}) 19. Rfe1 c5 20. e6 fxe6 21. Rxe6 Rae8 22. Rae1 Rxe6 23. Rxe6 Kf7 (23... Rd8 $5 {[%cal Rd5f6]}) 24. Re2 Rd8 25. Bc4 Kf8 {[%cal Od5f4] [#] ...Nf4! is the strong threat.} 26. f3 Nb4 27. a3 Bd5 28. Bb5 Bc6 29. Bc4 Bd5 30. Bb5 Bc6 31. Bxc6 Nxc6 $11 {[%mdl 4096] Endgame KRB-KRN} 32. Bc3 Kf7 {To avoid Re6} 33. a4 Nb4 34. Kf2 Rd1 35. f4 g6 36. Kf3 Nd5 37. Be5 h5 38. Kg3 Ke6 39. h3 Kf7 40. Kh4 Rd3 41. g4 hxg4 42. hxg4 Nf6 43. Bxf6 Kxf6 {KR-KR} 44. Re8 g5+ 45. fxg5+ Kf7 46. Rc8 Rb3 47. Rc7+ Kg6 48. Rc6+ Kg7 49. g6 b5 50. Kh5 bxa4 51. Rc7+ Kg8 52. Rxc5 Rxb2 53. Rxa5 Rb1 54. Rxa4 Kg7 55. Ra7+ Kg8 56. Kg5 Rc1 57. Re7 Rb1 58. Re5 Kg7 59. Rf5 Ra1 60. Rf7+ Kg8 61. Rd7 Rb1 62. Rd2 Kg7 63. Rd5 Ra1 64. Rd7+ Kg8 65. Rc7 Rb1 66. Rh7 Ra1 67. Kh6 Rh1+ 68. Kg5 Ra1 69. Rh2 Kg7 70. Rf2 Rb1 71. Rf7+ Kg8 72. Re7 Ra1 73. g7 Ra5+ 74. Kf6 {Re8+ would kill now.} Ra6+ 75. Kf5 Ra5+ 76. Kg6 {[%cal Re7e8]} Ra6+ 77. Kh5 Ra5+ 78. g5 Ra6 79. Rb7 Rc6 80. Kg4 Rc4+ 81. Kf5 Rc5+ 82. Ke6 Rxg5 83. Kf6 {Threatening mate with Rb8+.} Rg6+ $1 84. Kxg6 {A balanced but interesting game.  Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.6"]
[White "Sengupta, Deep"]
[Black "Pranav Vijay"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2528"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,100,27,18,2,3,-27,-18,-41,-33,-28,-26,-31,-32,-28,-17,-24,-13,-52,0,0,0,0,71,73,70,56,125,130,105,68,87,70,81,48,48,39,54,42,77,78,62,10,13,14,8,-73,-73,-126,-87,-85,-69,-71,-43,-54,-50,-129,-181,-141,-145,-322,-243,-324,-328,-366,-233,-231,-119,-185,-110,-271,-260,-615,-329,-332,-252,-746,-746,-746,-746,-730,-684,-1072,-1002]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 b6 6. Nf3 Bb7 7. Bd3 d6 8. O-O Nbd7 9. a3 Bxc3 10. Bxc3 Ne4 11. Bxe4 {E21: Nimzo-Indian: 4 Nf3.} Bxe4 12. d5 e5 13. Ne1 {The position is equal.} a5 14. f3 {[#]} Bg6 $146 ({Predecessor:} 14... Bf5 15. e4 Bg6 16. g4 h5 17. h3 Qh4 18. Kg2 Nc5 19. Qe2 hxg4 20. hxg4 f5 {0-1 (40) Gretarsson,H (2437)-Gretarsson,H (2588) Kopavogur 2021}) 15. f4 Be4 16. fxe5 dxe5 17. Qg4 f5 18. Qg3 Rf6 (18... Qe7 $15) 19. Bxe5 $11 Rg6 20. Bxc7 Qe7 (20... Qc8 $11 21. Qf4 Rg4) 21. Qf2 $16 Qc5 22. Bg3 Re8 (22... Nf6 $14) 23. Rd1 Qxc4 24. Rd4 Qb5 25. Qd2 (25. Rxe4 Rxe4 26. Qd2 (26. Qxf5 $2 Rf6 $19) 26... Qb3 $17) 25... Nc5 {[%cal Bd7c5,Bc5a4,Ba4b6,Bb6c4,Bc4d6,Bd6f7][%mdl 32]} 26. a4 Nxa4 27. b4 $1 {Inhibits Nc5.} axb4 $1 28. Rxb4 (28. Qxb4 Qxb4 29. Rxb4 Nc3 $17) 28... Qd7 29. d6 b5 30. Nf3 (30. Nd3 $14) 30... Nb6 $1 $11 31. Qa2+ Nc4 $1 (31... Bd5 32. Qa5 Nc4 33. Qxb5 Qxb5 34. Rxb5 Bxf3 35. d7 $16 (35. Rxf3 Nxd6 36. Bxd6 Rxd6 $11)) 32. Nd4 {[#]} (32. Qb3 $11 {keeps the balance.} Qf7 33. Rd1 Bxf3 34. gxf3) 32... Ra8 $1 $17 33. Qf2 (33. Qb3 $2 Ra3 34. Qd1 Nxe3 $19) (33. Qe2 $142 Nxd6 34. Rd1) 33... Nxd6 {Black is more active.} 34. Rd1 {[%cal Od4b5]} Qf7 35. Rb2 h5 {Hoping for ...Nc4.} 36. Nf3 $1 Qe7 $36 {[%mdl 2048] Black is more active.} 37. Bh4 ({White should try} 37. Qe2 $15) 37... Qe8 38. Rbd2 {[#]} Nf7 39. Rd7 $2 (39. Rd4 $17) 39... Kh7 ({Wrong is} 39... Ne5 $2 40. Nxe5 Qxe5 41. Bg3 $19) 40. Bg3 b4 41. Nh4 Rf6 {[%cal Oe8d7] Threatens to win with ...Qxd7!} 42. Qb2 Bc6 (42... b3 $19 {...Bc2 is the strong threat.} 43. Qxb3 Bc6) 43. R7d3 (43. R7d4 $17) 43... b3 (43... Ra4 $19 44. Bf4 Qe6) 44. Bf4 $2 (44. Rc1 $17) 44... Qe6 $19 45. Qe2 (45. Qxb3 Qxb3 46. Rxb3) 45... g6 {aiming for ...Bb5.} 46. Nf3 Bb5 47. Bg5 $2 (47. Qb2 Bxd3 48. Rxd3) 47... Bxd3 {Black is clearly winning.} 48. Qxd3 Rd8 49. Nd4 {[#]} Rxd4 $1 50. Qxd4 (50. exd4 Nxg5) 50... Nxg5 {Weighted Error Value: White=0.51/Black=0.29 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.7"]
[White "Nitin, S.."]
[Black "Gupta, Abhijeet"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2427"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,86,-7,-3,-6,0,-1,0,0,6,9,9,33,12,10,10,18,22,16,25,12,18,7,64,12,45,35,34,40,62,33,59,35,50,8,88,26,39,0,0,-10,0,-122,-114,-436,-414,-413,-123,-431,-422,-421,-393,-379,-362,-29983,-29984,-29983,-29984,-29994,-29995,-29995,-1542,-29996,-29997,-29998,-29999]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Bg5 Bd6 11. Nxd6+ cxd6 12. Bf4 Qd5 13. c3 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} Qf5 14. cxd4 O-O-O $5 {[%mdl 4] An interesting side line.} 15. Bg3 {[#] The position is equal.} Bd5 $146 ({Predecessor:} 15... h5 16. Qd2 Bd5 17. Qg5 Qxg5 18. Nxg5 Rhe8 19. f3 Kc7 20. a3 f6 21. Nh3 g5 {0-1 (49) Mareckova,M (2065)-Jarvenpaa,J (2301) Brno 2013}) 16. Nh4 Qf6 17. Qd3 g6 {Inhibits Nf5.} 18. Qb5 g5 {[#]} 19. Ng6 hxg6 20. Qxd5 Kb8 21. Rac1 Ne7 22. Qc5 {Hoping for Qc7+.} Ka8 (22... Nf5 $1 $11) 23. Qc7 (23. Qb5 $14 Kb8 24. f3) 23... Nd5 (23... Nf5 $5 {[%cal Rf6d4]}) 24. Qc4 (24. Qa5 {seems wilder.} Nf4 25. Rc7 Rde8 26. Rxe8+ Rxe8 27. h3) 24... Qf5 25. h3 a6 26. Qe2 Ka7 27. a3 Rd7 28. b4 (28. Qd1 $14) 28... Nb6 (28... Re7 $11 29. Qd2 Rxe1+ 30. Rxe1 g4 31. hxg4 (31. Bxd6 Qd7 $15) 31... Qxg4) 29. Rc3 (29. a4 $16) 29... Qd5 $11 30. Qd2 g4 31. hxg4 f5 $1 32. g5 (32. f3 $1 $11 {keeps the balance.}) 32... Nc4 $17 33. Qf4 {[%mdl 8192]} (33. Rxc4 $17 Qxc4 34. f3) 33... Rdh7 $19 {[%csl Gh8][%cal Rh7h1]} 34. f3 Rh1+ $40 {[%mdl 128] White is in trouble.} 35. Kf2 Rxe1 36. Kxe1 Rh1+ 37. Kf2 Nb2 {( -> ...Nd1+)} ({Weaker is} 37... Qe6 38. Rc1 Ne5 39. Rxh1 $11) 38. Ke2 (38. Qd2 $19 Nd1+ 39. Ke2) 38... Qb5+ 39. Kd2 Rd1+ 40. Kc2 {[#]} Qe2+ $1 41. Kb3 {[#]} Rb1 (41... Nc4 $142 $1 {[%mdl 512]} 42. Rc1 (42. Qxf5 gxf5) 42... Qd3+ 43. Rc3 Rb1+ 44. Ka2 Rb2+ 45. Ka1 Qb1#) 42. Rc1 Nc4+ 43. Rxb1 Qd3+ {Weighted Error Value: White=0.54/Black=0.29 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.8"]
[White "Gusain, Himal"]
[Black "Sethuraman, S.P."]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2408"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,0,0,11,8,18,18,20,6,-18,16,5,30,30,30,30,34,0,0,2,74,31,35,34,36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 g6 6. Nxd4 {B23: Closed Sicilian: Lines without g3.} cxd4 7. Ne2 Bg7 8. c3 $1 dxc3 9. Nxc3 {[#]} Nf6 $146 ({Predecessor:} 9... e6 10. Bc2 Ne7 11. d4 Qb6 12. Ne2 Nc6 13. Be3 Qxb2 14. O-O Qa3 15. d5 Nb4 {1-0 (24) Diaz Castro,S (2279)-Garrido Outon,A (2228) Dos Hermanas 2019}) 10. Bc2 d5 11. e5 $1 Ne4 12. d4 Bf5 13. Nxe4 Bxe4 14. O-O Rc8 (14... Bxc2 $11 {keeps the balance.} 15. Qxc2 O-O) 15. Bb3 (15. Bxe4 $16 dxe4 16. Qg4) 15... O-O 16. Be3 Qd7 17. g4 {[#] Threatens to win with f3.} Bc2 {The position is equal.} 18. Bxc2 Rxc2 19. Qxc2 Qxg4+ 20. Kh1 Qf3+ 21. Kg1 Qg4+ 22. Kh1 Qf3+ 23. Kg1 Qg4+ 24. Kh1 {Weighted Error Value: White=0.11 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.9"]
[White "Srijit Paul"]
[Black "Swapnil, S. Dhopade"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2419"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,128,31,27,40,16,75,67,79,57,57,86,32,52,136,102,158,163,168,161,175,172,187,187,190,186,177,0,0,-139,-141,-134,-137,-149,-146,-154,-132,-174,-180,-181,-73,-255,-247,-252,-245,-378,-365,-727,-167,-227,0,-617,-204,-218,-224,-234,-226,-186,-148,-139,-147,-264,-181,-216,-215,-338,-280,-343,-327,-375,-349,-454,-393,-442,-448,-466,-433,-420,-346,-347,0,-397,-368,-333,-325,-572,-563,-885,-868,-1962,-1681,-1962,-1173,-1564,-1272,-12465,-5202,-5065,-4174,-1666,-1625,-1340,-1177,-3054,-2528,-29982,-29981,-29985,-29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. g4 Be6 10. Nxe6 fxe6 11. O-O-O Ne5 12. Be2 {g5 is the strong threat.} Qc8 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0.} 13. h4 {White wants to play h5.} Nc4 (13... Nfd7 $11) 14. Bxc4 $16 Qxc4 {White is slightly better.} 15. Bh6 b5 16. Bxg7 Kxg7 17. h5 {Black must now prevent hxg6.} b4 {[#]} (17... Rac8 $14) 18. hxg6 $1 hxg6 {[#]} ({Better is} 18... h5) (18... bxc3 19. Qh6+) 19. e5 $1 {[#]} dxe5 $146 ({Predecessor:} 19... bxc3 20. Qh6+ Kf7 21. exf6 Kxf6 22. Qh4+ Kf7 23. Qh7+ Ke8 24. Qxg6+ Kd7 25. Qd3 Qf4+ {½-½ (39) Bagi,M (2455)-Cebalo,M (2320) Zalakaros 2017}) 20. Qh6+ $1 ({Worse is} 20. Ne4 Rh8 $11) 20... Kf7 21. Ne4 {[%mdl 1024] Threatening mate with Ng5+. White has strong compensation.} Rg8 22. Kb1 Rac8 23. Rd2 a5 24. Qh2 $2 (24. Rhd1 $18) 24... Rh8 $1 $11 {Chess con chili.} 25. Qg1 (25. Ng5+ $11 {remains equal.} Kg7 26. Qg1) 25... Nxe4 $17 26. fxe4 Qxe4 $40 {[%mdl 128] Black wants a kill.} 27. Qf1+ Kg7 28. Rg1 Rhf8 29. Qb5 (29. Qd1 $17 {was necessary.}) 29... Qe3 $19 {[%csl LRd2,LRg1]} 30. Rgd1 Rcd8 31. Rd7 $2 (31. Rxd8 $17 Rxd8 32. Rc1) 31... Rxd7 32. Qxd7 {[%mdl 4096] Endgame KQR-KQR} Qc5 33. b3 (33. Qxe6 $142 a4 34. g5) 33... Rf2 34. Rc1 (34. Qd3 Rg2 35. Kb2) 34... Kf7 $2 (34... e4 35. Qxe6 e3) 35. Qd8 (35. Qd3 $142) 35... Kg7 $2 (35... e4 36. Qh8 Qc3 37. Qh7+ Qg7) 36. Qd7 $1 Kf6 $2 (36... e4 37. Qxe6 e3) 37. g5+ Kf7 {aiming for ...e4.} ({Stronger than} 37... Kxg5 38. Rg1+ Kf6 39. Qd3 $17) 38. Qd8 Kg7 {Prevents Qh8+.} 39. Qa8 Rf8 40. Qh1 {Hoping for Qh6+.} Rh8 {To avoid Qh6+} 41. Qf3 (41. Qg1 $17 Qxg1 42. Rxg1) 41... Rh4 42. Qa8 Rh2 43. Qb7 (43. Qe4 $142) 43... Rh5 $1 44. Qg2 Qd5 45. Qg1 e4 46. Rf1 Rxg5 47. Qa7 Qc5 48. Qa8 {[#]} Rf5 {Inhibits Qf8+.} 49. Rh1 {White wants to mate with Qh8+.} Rh5 {Inhibits Qh8+.} 50. Rf1 {Intending Qf8+ and mate.} Rf5 {To avoid Qf8+} 51. Rh1 {White threatens Qh8+ and mate.} Rf8 {Inhibits Qh8+.} 52. Qxe4 {[#]} Rf2 $1 53. Re1 $2 (53. Qd3) 53... Qf5 {Threatens to win with ...g5.} 54. Qc4 Kf7 55. Rh1 g5 {[%cal Bg6g5,Bg5g4,Bg4g3,Bg3g2][%mdl 32] Strongly threatening ...g4.} 56. Rg1 Rf4 57. Qe2 g4 {[%cal Og4g3] And now ...g3! would win.} 58. Rc1 Rf2 (58... g3 $142 59. Qg2 Rf3) 59. Qe3 Rf3 60. Qg1 g3 61. Qg2 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 62. Qg1 e4 63. Qd4 g2 64. Qc4+ Kf8 {Weighted Error Value: White=0.62/Black=0.51} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.10"]
[White "Aditya Mittal"]
[Black "Srihari L R"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2487"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,86,42,40,41,34,30,40,42,34,43,38,72,83,77,75,121,124,121,123,127,113,129,129,126,140,141,128,134,134,166,146,151,151,151,145,157,146,166,181,156,163,171,171,225,202,268,235,231,203,193,215,199,195,214,164,214,195,193,193,251,226,226,261,758,720,771,750,1139,983,29992,29993,29993,29994,29997,29998,29998,29999,29999]} 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Bg4 5. g3 Bxf3 6. exf3 e6 {A41: 1 d4 d6: Tartakower System and Modern Defence.} 7. Bh3 {7.d5 gains popularity.} Ne7 8. d5 Nf5 {White is slightly better.} 9. O-O {[%cal Bh1f1,Bf1e1,Be1e6][%mdl 32]} O-O 10. Re1 Nd7 {[#]} 11. dxe6 $146 {Black is now going downhill.} ({Predecessor:} 11. f4 Nc5 12. Ne4 exd5 13. cxd5 Nxe4 14. Rxe4 Nh6 15. Rc4 Rc8 16. Be3 c5 17. dxc6 d5 18. Rcc1 bxc6 19. Bd4 Re8 {½-½ (19) Lingnau,C (2400)-Horvath,C (2530) Leeuwarden 1995}) 11... fxe6 12. Rxe6 Nd4 (12... Ne5 $142) 13. Re3 $16 Ne5 {[%cal Rd4f3]} 14. f4 $36 {[%mdl 2048] White is in control.} Nxc4 15. Rd3 c5 16. Bg2 {Bd5+ is the strong threat.} Kh8 17. b3 {[%cal Bb2b3,Bb3b4,Bb4b5][%mdl 32]} (17. Bxb7 $6 Rb8 18. b3 Ne5 $1 19. fxe5 Rxb7 $11) 17... Na5 {[%cal Bc4a5,Ba5c6,Bc6d4][%mdl 32]} 18. Be3 $1 Nac6 19. Rc1 Qe7 20. Nd5 Qd8 21. b4 b6 22. a4 Nf5 {[#]} 23. b5 $1 (23. bxc5 bxc5 24. g4 Nxe3 25. fxe3 (25. Nxe3 Nd4 $14) 25... Rc8 $14) 23... Ncd4 24. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Nxe3 25. fxe3 Ne6 {[#]} 26. g5 $1 c4 (26... Rc8 $142 27. Bh3 Re8) 27. Rxc4 $18 {aiming for Nb4.} Nc5 28. Rd2 a6 29. Qb1 Ra7 30. bxa6 Rxa6 31. Qb5 Qb8 32. h4 ({But not} 32. Rxc5 Ra5) 32... Qa7 (32... Qc8 {was necessary.} 33. Kf2 (33. Nxb6 Rxb6 34. Qxb6 Qe6 $16) 33... Qb8) 33. h5 gxh5 34. Ra2 Rb8 (34... Qf7 $142 35. Bf3 (35. Rxc5 Ra5 $14) 35... Rfa8) 35. Rb4 Ra5 36. Qe2 b5 $2 (36... Qf7 37. Rxb6 Rxb6 38. Nxb6 Qg6) 37. Qxh5 Rxa4 38. Raxa4 bxa4 {[#]} 39. Ne7 $1 {[%mdl 512]} Ne6 (39... Qxe7 40. Rxb8+) 40. Rxb8+ {White mates.} Qxb8 41. Be4 {[%csl Ge4][%cal Rh5h7]} Nf8 {[#]} 42. Qxh7+ $3 {[%mdl 512]} Nxh7 43. Ng6+ Kg8 44. Bd5# {Weighted Error Value: White=0.05 (flawless) /Black=0.31} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.11"]
[White "Sammed Jaykumar, Shete"]
[Black "Aronyak Ghosh"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2408"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,110,26,24,30,29,31,29,14,27,22,41,34,34,31,46,37,36,29,43,49,38,41,35,52,103,86,95,86,75,81,81,81,81,81,92,91,80,75,86,75,99,78,152,143,136,100,106,98,101,95,118,114,120,115,120,115,116,125,105,106,106,116,129,122,136,0,0,0,0,0,8,0,8,8,18,8,8,8,8,0,1,0,8,8,8,8,8,0,8,6,13,0,31]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Bd6 10. Bxd6 Qxd6 11. O-O {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} O-O 12. Rfe1 Rab8 13. a4 {White has an edge.} Bh5 14. Ne5 Bg6 (14... Qc7 {looks sharper.} 15. Ndf3 Rbc8 16. Re3 Rfd8 17. Rc1 h6) 15. Nxg6 hxg6 16. Nf3 {[#]} Qf4 $146 ({Predecessor:} 16... Nd7 17. Rad1 a6 18. Qc2 Qf4 19. Qe2 Rfe8 20. g3 Qc7 21. Ne5 Ncxe5 22. dxe5 Nc5 {½-½ (35) Ahmadzada,A (2406)-Rodrigue Lemieux,S (2263) Corum 2019}) 17. h3 a6 18. Re3 b5 19. axb5 axb5 20. Bxb5 Ne7 21. Re2 Nh5 {[#]} (21... g5 $14) 22. Qa3 $1 Qf6 23. Bd3 {White is more active.} Nf4 {[%csl LRd3,LRe2]} 24. Re3 Nf5 25. Bxf5 gxf5 26. b4 Rfc8 27. Qb2 Qg6 {[%csl Gf4][%cal Rg6g2] [#]} 28. Ne1 Qg5 29. Ra7 Rb6 30. Kh2 Qh5 (30... Rbc6 $142) 31. Nf3 {Strongly threatening Qa1.} Ng6 (31... Qg6 $2 32. g3 Nh5 33. Ne5) 32. Ne5 {To avoid Rbc6} Nxe5 33. Rxe5 ({But not} 33. dxe5 $6 f4 34. Re1 Qg5 $14) 33... Qg5 34. Re3 f4 35. Re5 Qh4 36. Qd2 Rbc6 37. Ra3 g6 38. g3 fxg3+ 39. fxg3 Qd8 40. Re3 Qg5 41. Qf2 R6c7 42. Qf4 ({White should play} 42. Kg2 $16) 42... Qxf4 $11 {The position is equal.} 43. gxf4 {[%mdl 4096] Endgame KRR-KRR} Kg7 44. Kg3 Kf6 45. Kg4 Rh8 46. Ra5 Rcc8 47. h4 Rc7 48. Rh3 Rcc8 49. Ra7 Rc6 50. Ra5 Rcc8 51. Ra3 Rc7 52. Rh1 Rhc8 53. Rh3 Rh8 54. Rf3 Rhc8 55. Rh3 Rh8 {Black escapes into a draw.  Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.12"]
[White "Koustav Chatterjee"]
[Black "Ratnakaran, K.."]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2466"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,91,8,4,14,0,0,0,0,0,2,6,18,13,17,21,37,40,74,73,78,68,79,79,85,93,110,95,110,114,116,98,120,114,109,81,112,106,113,104,178,58,52,54,62,63,147,0,20,22,15,14,9,-29,0,-28,0,0,9,8,8,8,8,9,327,-286,-286,-308,-302,-284,-244,-321,-135,-154,-159,-175,0,-111,0,-157,0,-167]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 O-O 5. d4 d6 6. Be2 Nbd7 7. O-O b6 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 8. a4 a5 9. Nbd2 Bb7 10. Re1 {[#]} Re8 $146 ({Predecessor:} 10... e6 11. Bb5 Ne4 12. Nxe4 Bxe4 13. Bf1 Qe7 14. c4 f5 15. Nd2 Qf7 16. Nxe4 fxe4 {1-0 (36) Ganaus,H (2318)-Chernukhin,A (2022) Vienna 2012}) 11. Bb5 e5 12. dxe5 dxe5 13. e4 Re6 14. Ng5 Re7 15. Ba3 $1 {White is more active.} Nc5 16. Bxc5 bxc5 17. Qe2 h6 18. Ngf3 Nh5 19. g3 Qf8 20. Rad1 Kh7 21. Nh4 Bf6 22. Ng2 Ng7 23. c3 Ne6 24. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Bg7 25. Bc4 f5 (25... Rd8 $16) 26. Bxe6 (26. h5 $1 $18) 26... Rxe6 $14 27. h5 f4 28. Nh4 Raa6 ({Black should play} 28... gxh5 $14 29. Qxh5 fxg3 30. fxg3 Rf6) 29. Ndf3 (29. Nc4 $16) 29... fxg3 30. fxg3 (30. hxg6+ Rxg6 31. Rd7 (31. Nxg6 Rxg6 32. Kf1 Qf7 $17) 31... Qc8 $17) 30... gxh5 {[%cal Oc5c4]} 31. Nf5 Qf7 32. Rd3 Rg6 (32... c4 $5 33. bxc4 Rg6 $15) 33. Red1 {And now Rd7 would win.} Qxb3 (33... Bc8 $5 {[%cal Rc8f5]}) 34. N3h4 {Pair of Knights!} Rg5 (34... Qxa4 35. Rd7 (35. Nxg6 Rxg6 36. Rd7 Bc8 $11) 35... Bc8 36. Rxc7 Bxf5 37. Nxf5 $14) 35. Nxg7 Rxg7 36. Nf5 Rf7 (36... Qxa4 $2 37. Nxg7 Qxe4 38. Qxe4+ Bxe4 39. Rd7 $18) 37. Qxh5 {Strongly threatening Rd7.} Rg6 $2 {[%mdl 8192]} (37... Bxe4 $2 38. Rd7 Rg6 39. Nxh6 $1 Qxd1+ 40. Qxd1 $18 (40. Rxd1 Rxg3+ 41. Kh2 Rg2+ 42. Kh3 Rf3+ 43. Kxg2 Rf5+ 44. Kg3 Rxh5 $17)) (37... Raf6 $11 {and Black has nothing to worry.} 38. Rd7 Qe6 39. Nxh6 (39. Rxf7+ Qxf7 40. Qh4 Bc8 $11) 39... Rxd7 40. Ng4+ Kg7 41. Rxd7+ Qxd7 42. Qg5+ Rg6 43. Qxg6+ Kxg6 44. Nxe5+ Kg5 45. Nxd7 Bxe4) 38. Qh4 $4 {[%mdl 8192]} (38. Rd7 $1 $18 {[%cal Of5h6] was the only winning move. Threatening mate with Nxh6!} Bxe4 39. Nxh6 $1 Qxd1+ 40. Qxd1 (40. Rxd1 Rxg3+ 41. Kh2 Rg2+ 42. Kh3 Rf3+ 43. Kxg2 Rf5+ 44. Kg3 Rxh5 $17) 40... Rxd7 41. Qxd7+ Kxh6 42. Qxc7) 38... Qxa4 $19 39. Re1 Qc2 ({Stronger than} 39... Bxe4 40. Nxh6 Rxh6 41. Qxe4+ Qxe4 42. Rxe4 $17) 40. Rf3 {[%cal Of5h6]} Qd2 {...Rxf5 is the strong threat.} 41. Ree3 {[%cal Of5h6]} Rb6 (41... Qd1+ $19 42. Rf1 Qg4) 42. Rf2 $17 Qd1+ (42... Rb1+ $2 43. Kg2 Qxf2+ 44. Kxf2 $18) 43. Rf1 {[#]} Qd2 ({Black should try} 43... Qa4 $1 $19 {aiming for ...Qc4.} 44. Ree1 Rbf6) 44. Rf2 {[#] The board is on fire.} Qd1+ (44... Rb1+ $2 45. Kg2 Qxf2+ 46. Kxf2 $18) (44... Qc1+ $142 $1 45. Rf1 Qc2) 45. Rf1 Qd2 46. Rf2 {Weighted Error Value: White=0.25 (precise) /Black=0.46} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.13"]
[White "Panda Sambit"]
[Black "Laxman, R.R."]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2059"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,143,0,0,0,0,0,0,0,0,0,-23,-10,-8,8,8,10,0,7,0,0,0,15,0,108,108,127,120,179,181,412,394,402,406,407,390,391,385,410,413,405,404,426,411,635,614,598,525,522,546,563,587,643,524,1037,1037,1005,1018,824,1456,1492,1480,1351,1357,1144,1036,895,509,495,451,480,479,478,466,442,341,799,437,504,199,162,56,56,56,56,0,0,0,0,0,0,0,0,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 Ne4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. e3 Nxc3 9. Qc2 Ne4 {The position is equal.} 10. Bd3 f5 11. Rb1 O-O 12. O-O {[#]} b6 $146 ({Predecessor:} 12... Rb8 13. a4 Bd7 14. Ba3 Rf6 15. Rfc1 Rg6 16. Bf1 b6 17. cxd5 exd5 18. Bb5 Qe8 {1-0 (41) Belov,V (2598)-Kazakovskiy,V (2485) Moscow 2019}) 13. cxd5 Qxd5 14. Rd1 Nd6 {Prevents Rb5.} 15. Bf1 Bb7 16. Bb2 Rac8 17. Ne5 Nxe5 (17... Na5 $11) 18. dxe5 $16 Qe4 {[#]} 19. Qb3 Bd5 {[#]} 20. Rxd5 $1 $18 exd5 (20... Qxd5 {was called for.} 21. Qxd5 exd5) 21. Bd3 Qg4 22. exd6 c6 23. Rc1 {[%cal Oc1c6]} f4 24. h3 Qd7 25. exf4 Qxd6 26. Be5 (26. Qc3 Qh6 27. Re1 Rce8 $16) 26... Qe6 27. Qc2 c5 (27... g6 $142 28. Ba6 c5 29. Bxc8 Qxc8) 28. Bxh7+ {This bishop pair is nice.} Kh8 29. g4 Rcd8 30. Bf5 Qh6 31. h4 d4 32. h5 {Qe4 is the strong threat.} Qc6 33. h6 Qxh6 34. Kg2 Qc6+ 35. f3 Kg8 36. Qc4+ Rd5 37. Be4 Rfd8 38. Bxd5+ Qxd5 39. Qxd5+ Rxd5 {[%mdl 4096] Endgame KRB-KR} 40. Kf2 b5 41. a4 a6 {[%cal Ba7a6,Ba6b5,Bb5b4,Bb4b3][%mdl 32]} 42. axb5 axb5 43. Ra1 c4 $2 (43... g5 44. Ra8+ Kf7) 44. Rd1 c3 45. Ke2 $2 (45. Ke1) 45... c2 46. Ra1 (46. Rf1 $18 b4 47. Kd2) 46... b4 $14 47. Kd2 b3 48. Ra8+ ({Much weaker is} 48. Ra7 b2 49. Ra8+ (49. Kxc2 d3+ 50. Kxb2 d2 $11) (49. Rxg7+ $2 Kf8 $19) 49... Kh7 50. Kxc2 d3+ 51. Kxb2 d2 $11) ({Better is} 48. Re1 $14) 48... Kf7 $11 49. Rb8 Rc5 50. Kc1 Rc3 51. Bxd4 Rxf3 {( -> ...Rf1+)} 52. Rxb3 Rxb3 $17 {Black is better.} 53. Kxc2 $11 {KR-KB} Rg3 54. g5 g6 {And now ...Ke6 would win.} 55. Kd2 Ke6 56. Ke2 Kf5 57. Kf2 Kg4 {Threatens to win with ...Rf3+.} ({Reject} 57... Kxf4 $6 58. Be5+ Kxe5 59. Kxg3 $11) 58. Be5 Ra3 59. Bd6 Rc3 60. Be5 Rf3+ 61. Kg2 Rd3 {aiming for ...Rd2+.} 62. Kf2 Kf5 63. Ke2 Ke4 64. Kf2 Ra3 65. Bd6 Rf3+ 66. Kg2 Rd3 67. Be5 Rd2+ 68. Kg3 Rd1 69. Kf2 Rc1 70. Kg3 Rc2 71. Bd6 Rc3+ 72. Kg2 {White really could win this.  Weighted Error Value: White=0.37/Black=0.23 (precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.01"]
[Round "8.14"]
[White "Saravana, Krishnan P."]
[Black "Karthikeyan, Murali"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2340"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,68,16,0,16,0,13,-17,-15,-33,-35,-37,0,-27,-25,-29,-24,-64,-55,-85,-79,-120,-104,-108,-103,-105,-111,-106,-114,-116,-111,-106,-54,-47,-67,-196,-191,-214,-212,-193,-183,-199,-194,-520,-511,-568,-560,-784,-643,-617,-595,-872,-362,-2209,-2032,-29973,-29974,-29973,-29974,-6307,-1836]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. Qe2 Qc7 {Recently 6...d6 got a lot of attention. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. e5 Ng6 8. h4 f6 {[%cal Rg6e5] The position is equal.} 9. exf6 gxf6 10. h5 Ne7 (10... Nf4 $5 {[%cal Rf4e2]} 11. Qe4 (11. Bxf4 Qxf4 12. Nbd2 d5 $15) 11... Nd5 $11) 11. b3 Rg8 12. g3 e5 {[#]} 13. Bb2 $146 ({Predecessor:} 13. Nc3 d5 14. Na4 Bg4 15. c3 Nf5 16. Bd2 Rb8 17. Be3 c4 18. bxc4 Qa5 {0-1 (18) Llorens,M (2353)-Felgaer,R (2591) Santiago de Chile 2008}) 13... d5 14. Nbd2 Bg4 15. Nf1 (15. Rh4 $142) 15... Nf5 {[%cal Of5d4]} 16. N1h2 Bxh5 {[%cal Of5d4]} 17. g4 Rxg4 {Black is more active.} ({Don't do} 17... Bxg4 18. Nxg4 Rxg4 19. Nxe5 $1 $16 {[%mdl 512]}) 18. Nxg4 Bxg4 19. O-O-O h5 20. Rdg1 {[%cal Og1g4]} O-O-O (20... Qd7 $17 {...0-0-0 is the strong threat.} 21. Rxg4 hxg4) 21. Rxg4 $1 $15 hxg4 22. Nh2 {This costs White the game.} (22. Nh4 $1 $15 Nd4 23. Qxg4+ Qd7 24. Qg6) 22... Qh7 $1 $19 {And now ...Bh6+ would win.} 23. Qxg4 {[#]} Bh6+ $1 {[%cal Bf8h6,Bh6f4,Bf4h2][%mdl 32]} 24. Kb1 Bf4 {Strongly threatening ...Rg8.} 25. Bc1 {[#]} Rg8 $1 (25... Bxh2 26. Rxh2 Qxh2 27. Qxf5+ Kb7 28. Qxf6 $17) 26. Qf3 (26. Nf3 {is tougher.} Qxh1 27. Qxg8+ Kd7 28. Ng1) 26... Nd4 ({Inferior is} 26... Bxh2 27. Rxh2 Qxh2 28. Qxf5+ Kb7 29. Qxf6 $17) 27. Qd1 Bxh2 28. f4 Qh3 29. fxe5 fxe5 {Hoping for ...Rg2.} 30. Qd2 Rh8 (30... Rg2 $142 31. Qd1 Nxc2) 31. Qa5 (31. Ba3) 31... Qg2 {[%csl LRc2,LRh1]} 32. Qxa7 Qxh1 33. Qa8+ Kc7 34. Qxh8 Ne2 {Weighted Error Value: White=0.84/Black=0.22 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.1"]
[White "Pranav Vijay"]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2265"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,119,-1,0,0,0,-1,-21,-12,-38,-24,-38,-18,-35,-22,-44,-41,-36,-39,-41,-37,-41,-41,-43,-41,-41,-41,-44,-44,-54,-41,-43,-41,-42,-43,-50,-40,-40,-15,-28,-26,-38,-38,-64,-15,-34,29,29,98,108,88,89,102,97,106,96,200,93,102,85,72,85,155,147,158,154,154,145,447,421,674,657,612,460,450,415,398,0,0,-35,431,-625,-628,-883,-824,-1232,-1243,-1587,-1583,-1741,-1922,-2279,-2189,-2298,-2261,-3187,-2699,-2219,-1969,-1738,-1645,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29992,-29999]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. O-O Ne7 6. d3 Ng6 7. Ng5 $1 f6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 8. Nh3 Be7 9. f4 O-O {The position is equal.} 10. c4 d5 11. Be3 {[#]} a5 $146 ({Predecessor:} 11... Rb8 12. Qc2 d4 13. Bc1 Nh8 14. Nd2 g6 15. Nf3 Nf7 16. e5 Qc7 17. Bd2 Bd7 18. exf6 Bxf6 {1-0 (53) Bacallao Alonso,Y (2438)-Martinez Duany,L (2485) Las Tunas 2009}) 12. Qc2 Qd6 13. Na3 Bd7 14. Rae1 f5 15. e5 Qc7 16. Kh1 Rfb8 17. Ng1 Nf8 18. h3 Be8 19. Qf2 Nd7 20. Re2 Rb7 21. Rc2 d4 22. Bc1 Nb8 23. Nb1 Na6 {Hoping for ...Nb4.} 24. a3 {Prevents Nb4.} Nb8 25. Qf3 Nd7 26. Re2 Rab8 27. g4 h6 (27... Nb6 $15 {was preferrable.}) 28. Rg2 Bg6 (28... Nf8 $15) 29. Nd2 Kf7 (29... Kh8 $11) 30. Ne2 $16 Rg8 31. Rfg1 fxg4 32. hxg4 (32. Qxg4 $6 Bxd3 33. Qf3 (33. Rg3 Bf5 $17) 33... Bc2 $11) 32... Ke8 33. Qh3 (33. Ne4 Rb3) 33... Rf8 {Inhibits f5.} (33... Kd8 $16) 34. Rf1 (34. Re1 $1 $18 {and White stays clearly on top.}) 34... Bh7 35. Rf3 (35. g5 Bf5 36. Qh5+ g6 37. Qxh6 Rf7 $14) 35... Kd8 36. Ng3 {[%cal Og4g5] Black must now prevent g5!} Rh8 (36... Bg8 $142) 37. Nde4 $1 Rb3 38. Re2 Kc8 39. f5 Nxe5 $2 {[%mdl 8192]} (39... g5 $16 {is a better chance.}) 40. Bf4 $18 Nxf3 (40... h5 $142 41. gxh5 Rb8 42. fxe6 Bxe4 43. Rxe4 Nxf3 44. Bxc7 Kxc7) 41. Bxc7 Kxc7 42. Nf1 Rxd3 43. Qg3+ Kb6 44. Nfd2 $2 {Pair of Knights!} ({Only move:} 44. b4 $1 $18 {[%cal Rb4a5] bxa5+ would kill now.} cxb4 45. axb4 Bxb4 46. c5+ Kb5 47. Qc7 exf5 48. Nd6+ Kxc5 49. gxf5 Bxf5 50. Nxf5) 44... h5 $1 $11 {Threatens to win with ...hxg4.} 45. gxh5 {[#]} (45. Nxf3 $2 hxg4 46. Rh2 gxf3 $19) (45. b4 $5 axb4 46. gxh5 (46. Nxf3 $2 hxg4 47. axb4 cxb4 $19) 46... Nxd2 47. Qxd3 Nxe4 48. Qxe4 Bxf5 49. Qf3 $17) 45... exf5 $2 {[%mdl 8192] [#] Active counter play!} 46. Nxf3 $4 {[%mdl 8192]} (46. Nc3 $1 $18 {[%mdl 512]} f4 47. Na4+ (47. Qxg7 Rg8 $11) 47... Ka6 48. Qxf4 (48. Qxg7 Rg8 $11)) 46... fxe4 $19 47. Qxg7 {[#]} Bd6 $1 {[%cal Oe4f3]} (47... Rxf3 48. Qxh8 d3 49. Qb8+ Ka6 50. Qc8+ Kb6 51. Qb8+ Ka6 {[#]} 52. b4 $1 cxb4 53. Rb2 Rf1+ 54. Kg2 $18) ({Worse is} 47... exf3 48. Rxe7 Rd1+ 49. Kh2 Rd2+ 50. Kh1 Rd1+ 51. Kh2 Rd2+ 52. Kh1 Rd1+ $11) 48. Ng5 Rg8 49. Qf6 Rd1+ 50. Kg2 {[#]} d3 $1 51. Re3 Bc7 52. b4 d2 53. bxa5+ Ka7 {( -> ...Rb1)} 54. Qe7 {[#]} Rg1+ $1 {[%mdl 576] Skewer} 55. Kf2 {[#]} Rf1+ $1 {[%mdl 512]} 56. Kg2 {[#]} (56. Kxf1 d1=Q+) 56... Rxg5+ $1 {[%mdl 576] Promotion. Black mates.} 57. Qxg5 d1=Q 58. Qxc5+ Kb8 59. Rb3+ Qxb3 {[%csl Ge4,Gf1][%cal Rb3f3]} 60. Qxc6 Qf3# {Weighted Error Value: White=0.75/Black=0.25 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.2"]
[White "Gukesh D"]
[Black "Iniyan, P."]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2614"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,129,29,25,14,18,0,0,0,0,0,0,0,16,17,0,0,0,0,41,32,18,26,35,0,81,12,16,0,76,94,72,94,83,94,106,126,126,42,180,163,164,141,159,147,166,131,171,89,86,91,93,90,100,0,0,0,0,-9,0,0,93,85,84,52,51,55,55,55,55,53,54,51,48,0,72,56,58,46,46,32,30,33,40,8,8,0,0,0,0,0,0,0,0,-222,-222,-1314,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. e4 cxd4 8. Nxd4 Bc5 {8...Nc6 is more advanced technology.} 9. Nf3 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Ng4 {[#]} 10. h3 $146 ({Predecessor:} 10. Nd1 Qf6 11. Rb1 Qg6 12. Bd3 Nf6 13. Ng5 Ng4 14. b4 Be7 15. h4 Nc6 16. Ne3 Nge5 {0-1 (28) Duda,J (2717)-Korobov,A (2652) Riadh 2017}) 10... Nxf2 (10... Bxf2+ $2 11. Ke2 $18) 11. Rh2 f5 12. b4 Nxe4 13. bxc5 Qc7 {Hoping for ...Qg3+.} 14. Be3 {[%cal Bc1e3,Be3d2,Bd2f4][%mdl 32] White wants to play Nb5.} bxc5 15. Nb5 Qa5+ 16. Bd2 Qd8 (16... Qb6 $1 $11) 17. Bf4 $14 {Strongly threatening Nc7+.} O-O 18. O-O-O $36 {[%mdl 2048] Black is under pressure.} Nc6 19. Bd3 d5 (19... a6 $11 20. Nd6 Rb8) 20. Nc7 (20. cxd5 $1 $16 exd5 21. Nc7) 20... e5 $1 $11 21. cxd5 Qxc7 (21... Nd4 $11 22. Nxd4 cxd4 23. Bxe5 (23. Nxa8 Qd6 $11) 23... Rc8) 22. dxc6 $16 exf4 23. cxb7 {Chess con chili.} Qxb7 24. Rhh1 c4 25. Bxc4+ Kh8 26. Rd4 (26. Bd5 $6 Qa6 27. Bxa8 Qxa3+ 28. Qb2 Rc8+ 29. Bc6 Qc5+ 30. Qc2 Qa3+ 31. Qb2 Qc5+ 32. Qc2 Qa3+ 33. Qb2 $11) (26. Rd5 $1 $16) 26... Qe7 (26... Rac8 $14) 27. Kb2 $1 $18 Rfc8 28. Rhd1 h6 29. Ka2 Rab8 30. R1d3 Rc5 31. Rb3 (31. Rd5 $18 {And now Ne5 would win.} Rbc8 32. Ne5) 31... Rbc8 $16 32. Qd3 Nf2 33. Qf1 Ne4 34. Qd3 (34. Rb2 $1 $16) 34... Nf2 $1 $11 35. Qe2 Ne4 $1 {[%cal Oc5c4]} 36. Ka1 Qf6 {Threatens to win with ...Rxc4.} 37. Rb2 Qc6 (37... R5c7 $11 {keeps the balance.}) 38. Rc2 $1 $16 Qf6 39. Qd3 Nd6 {[%cal Be4d6,Bd6b5,Bb5a3][%mdl 32]} 40. Ka2 $1 {[%csl LRd6,LRf4]} Nb5 41. Rd7 (41. Rxf4 g5 42. a4 gxf4 $11) 41... Nxa3 42. Qxa3 (42. Kxa3 Qa1+ 43. Ba2 (43. Kb4 Qa5+ 44. Kb3 Rb8+) 43... Rc3+ 44. Ka4 Rxd3 45. Rxc8+ Kh7 46. Rxd3 Qxa2+ 47. Ra3 Qxg2 $11) 42... Rxc4 43. Rxc4 Rxc4 44. Qb2 {Prevents Rc2. Active counter play!} (44. Rd6 $1 $14 {is superior.} Qc3 45. Qxc3 Rxc3 46. Kb2) 44... Qxb2+ ({Better is} 44... Rc3 $1 $11 45. Kb1 (45. Rxa7 Qe6+ 46. Ka1 Qe3 $11) 45... Kh7) 45. Kxb2 $11 {[%mdl 4096] Endgame KRN-KR} Re4 46. Nd4 {Inhibits Re2+.} Re3 47. Rc7 ({Don't do} 47. Nxf5 Re2+ 48. Kc3 Rxg2 $16) 47... g6 48. Rc2 Kg7 49. Rf2 Kf6 50. Ne2 g5 51. Kc2 Ke5 52. Kd2 Ke4 53. Kc2 f3 54. Nc3+ (54. Ng3+ $1 $11 Ke5 55. gxf3 (55. Rxf3 $2 Rxf3 56. gxf3 Kf4 $19)) 54... Kf4 $1 $19 {aiming for ...Kg3.} 55. Kd2 $2 {[#]} (55. gxf3 Rxf3 56. Rh2) 55... Rxc3 $1 {[%mdl 512]} 56. Kxc3 $11 {The position is equal.} g4 57. hxg4 fxg4 {...Kg3 is the strong threat.} 58. gxf3 {KR-K3P} g3 59. Ra2 Kxf3 (59... h5 $5 60. Kd3 (60. Rxa7 $2 h4 $19) 60... Kxf3 61. Rxa7 h4 62. Rf7+ Kg2 $11) 60. Rxa7 {KR-KPP} g2 61. Rf7+ Ke2 62. Rg7 Kf2 63. Rf7+ Kg3 64. Rg7+ Kh2 65. Rh7 {Quite a comeback for White.  Weighted Error Value: White=0.32/Black=0.21 (precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.3"]
[White "Swapnil, S. Dhopade"]
[Black "Aravindh, Chithambaram VR."]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2495"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "208"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,208,43,45,25,28,20,8,14,20,11,20,5,0,10,2,6,-1,-14,-18,-14,2,0,0,0,9,0,12,11,27,26,24,18,19,21,12,10,2,4,45,35,25,-14,-33,-42,-42,-31,-47,-112,-98,-129,-69,-69,-66,-68,-39,-40,-10,-10,-24,-95,-95,-91,-86,-81,-74,-85,-89,-275,-201,-201,-201,-201,-187,-190,-190,-235,-238,-303,-304,-317,-317,-302,-287,-287,-287,-302,-293,-273,-164,-165,-164,-172,-150,-150,-142,-142,-142,-145,-133,-134,-135,-140,-141,-265,-258,-247,-156,-210,-210,-212,-212,-212,-212,-214,-185,-228,-136,-220,-217,-217,-125,-272,-265,-232,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-15,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,0,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,-136,0,-136,-136,-136,-136,-136,-136,-136,-136,-137,-129]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 d5 7. Bg2 {E11: Bogo-Indian.} dxc4 8. O-O O-O 9. a3 {The position is equal.} Ba5 10. Qa4 Rd8 11. e3 Bb6 12. Qxc4 e5 {[%cal Re5d4]} 13. d5 {[#]} Na5 $146 ({Predecessor:} 13... e4 14. dxc6 exf3 15. Bxf3 Rxd2 16. cxb7 Bxb7 17. Bxb7 Rb8 18. Bf3 Rxb2 19. Na4 Rd2 20. Nxb6 cxb6 {1-0 (31) Barranco Cara,F (2221)-Almagro Mazariegos,S (2287) Andalucia 2018}) 14. Qb4 Qe8 15. e4 Bd7 16. Bg5 c5 17. dxc6 $1 Nxc6 18. Qb3 Be6 19. Qb5 Rd7 20. Bxf6 ({Don't play} 20. Nxe5 Nxe5 21. Qxe5 Ng4 $17) 20... gxf6 21. Nd5 Qd8 {[%cal Re6d5]} 22. Rad1 Nd4 23. Nxd4 Bxd4 24. Qe2 Kh8 (24... f5 $11 {was preferrable.}) 25. Rd2 (25. Qh5 {is more complex.} Bxb2 26. Bh3 Bd4 27. Bf5 Bxf5 28. Qxf5 Rd6 29. Rc1) 25... f5 26. Ne3 f4 27. Nd5 fxg3 28. hxg3 Qg5 {Inhibits Qh5.} 29. Ne3 (29. Rd3 $15) 29... Rg8 $17 30. Qf3 h5 (30... Rg6 $17 31. Rdd1 Rf6) 31. Rfd1 $15 f6 {And now ...h4 would win.} 32. Kf1 Rh7 33. Nf5 $1 {Inhibits h4.} h4 34. gxh4 Qg6 35. Nxd4 (35. Rc1 $1 $11 {keeps the balance.}) 35... Bg4 $36 {[%mdl 2048] White is under strong pressure.} 36. Qg3 Bxd1 37. Qxg6 Rxg6 38. Ne6 Re7 $1 39. Bh3 $2 (39. Rd8+ $17 Rg8 40. Rxd1 Rxe6 41. Bh3) 39... Bb3 {White must now prevent ...Bc4+.} 40. Rd6 Bxe6 41. Bxe6 $19 {[%mdl 4096] Endgame KRR-KRB} Rh6 42. Bd5 Kg7 ({Weaker is} 42... Rxh4 43. Rxf6 Kg7 44. Rd6 $17) 43. a4 (43. Rd8 $142) 43... Rxh4 44. b3 Rc7 45. Rd8 Rh8 {Inhibits Rg8+.} 46. Rd6 Kg6 47. Kg2 Kg5 48. Bc4 Rh4 49. Kf3 f5 50. exf5 Kxf5 51. Ke3 Re4+ 52. Kd3 Re1 {aiming for ...Rd1+.} 53. Kd2 {Inhibits Rd1+.} Ra1 54. Ke3 Kg5 55. Rd8 Re1+ 56. Kd2 Re4 57. Ra8 (57. Kd3 $17 {keeps fighting.} Re1 58. Kd2) 57... Rd7+ 58. Kc3 b6 59. Rg8+ (59. Re8 $17 {was necessary.}) 59... Kf6 60. Rf8+ Ke7 $1 61. Rf5 Kd6 62. Rf6+ Kc7 63. Re6 (63. a5 {was called for.}) 63... Rf7 ({Black should play} 63... a5 $19 {Hoping for ...Rh7.} 64. Rf6 Rh4) 64. Kd3 (64. Re8 $17 {is a better defense.} Rh7 65. Kb4) 64... Re1 65. Kd2 {[#]} Rg1 ({Black should try} 65... Rh1 $1 $19 66. Rxe5 Rxf2+ 67. Kc3 Rh7) 66. Rxe5 (66. Ke3 $17 {was worth a try.}) 66... Rxf2+ 67. Kc3 {[#]} Rg7 {Prevents Re7+.} (67... a5 $1 $19 68. Re7+ Kd8) 68. a5 $17 Ra2 69. axb6+ Kxb6 ({Wrong is} 69... axb6 $2 70. Re4) 70. Re6+ Kb7 71. Re3 Rh2 72. Re5 Rh3+ 73. Kb4 Rh6 74. Rf5 Rg1 (74... Rb6+ $17 75. Kc5 Rc7+ 76. Kd4 Rd6+ 77. Kc3 Rh7 78. Rb5+ Rb6) 75. Bd5+ (75. Rf7+ $11 {was the only way to keep the balance.} Kb6 76. Rf5) 75... Kb6 76. Bc4 Rhg6 77. Rb5+ Kc7 78. Rc5+ Kb7 79. Re5 R1g5 80. Re1 Kb6 81. Re8 Rg4 82. Rb8+ Kc7 83. Ra8 Kb7 84. Rf8 Rb6+ 85. Ka4 Rg1 {[%cal Rg1a1]} 86. Ka3 Rd6 87. Kb4 Rb6+ 88. Ka3 Rg7 89. Rf5 Re7 90. Rg5 Kc6 91. Kb2 Rb8 92. Ra5 Rh8 93. Rf5 Rh2+ 94. Kc3 Rh6 95. Ra5 Rh3+ 96. Kb4 Rb7+ 97. Ka3 Re3 98. Rf5 {Bd5+ is the strong threat.} Kd6 99. Rd5+ Kc6 100. Rf5 $1 {Threatens to win with Bd5+.} Rb8 {Black is clearly better.} 101. Ra5 Re1 {( -> ...Ra1+)} 102. Kb2 {To avoid Ra1} Rb7 103. Rf5 Rbe7 104. Kc3 R1e3+ {Weighted Error Value: White=0.14 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.4"]
[White "Gupta, Abhijeet"]
[Black "Lalith Babu M R"]
[Result "1/2-1/2"]
[ECO "E24"]
[WhiteElo "2628"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,90,-22,10,0,0,5,23,0,0,1,0,0,0,0,0,-14,0,-26,-28,-28,-27,-20,-19,-53,-47,-53,0,0,14,7,12,9,9,12,14,10,12,0,16,14,14,18,15,12,22,0,0,0,0,0,0,0,0,0,0,0,0,-2,-3,-64,-64,-66,-71,-80,-72,-79,-84,-93,-86,-85,-87,-145,-116,-133,-75,-114,-15,-17,-10,-53,-58]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 Bb7 7. e4 {E24: Nimzo-Indian: Sämisch: Unusual Black 5th moves and 5...c5 sidelines.} d6 8. Bd3 Nc6 9. Ne2 {[#] White has an edge.} Na5 $146 ({Predecessor:} 9... e5 10. O-O Nd7 11. f4 f6 12. Ng3 g6 13. Qg4 Qe7 14. Be3 O-O-O 15. c5 dxc5 {1-0 (35) Agibileg,U (2413)-Gonzalez,F (2049) Chess.com INT 2021}) 10. O-O Ba6 11. Bg5 h6 12. Bxf6 Qxf6 13. Qa4+ c6 14. Rad1 O-O 15. f4 c5 16. e5 dxe5 17. fxe5 Qe7 18. Ng3 cxd4 (18... Rad8 $15) 19. cxd4 $11 Rac8 {[%cal Ra6c4]} 20. c5 $36 {[%mdl 2048] White fights for an advantage.} Bxd3 21. Rxd3 {[%cal Bd1d3,Bd3f3,Bf3g3,Bg3g6][%mdl 32] Threatening Nh5.} f6 22. exf6 Rxf6 23. Rxf6 Qxf6 24. Rf3 Qe7 25. Nh5 {next Rg3 is good for White.} Qe8 26. Qd1 {Rg3 is the strong threat.} Rc7 (26... Qxh5 $2 27. Rf8+ $3 {[%mdl 512]} Kxf8 28. Qxh5 $18) 27. Rg3 Qf8 {Prevents Nf6+.} 28. Qg4 Qf5 29. Qxf5 exf5 30. cxb6 axb6 {[%mdl 4096] Endgame KRN-KRN} 31. Rg6 Nc4 32. d5 b5 33. h4 Rd7 34. Kf2 Kh7 ({Don't take} 34... Nxa3 35. Rg3 Ra7 36. d6 $16 (36. Nxg7 Rxg7 37. Rxa3 b4 $11)) 35. Ra6 (35. Nf4 $11) 35... Rxd5 $15 36. Ra7 $1 {aiming for Nf6+.} Rd2+ 37. Kg1 Kg6 38. Nf4+ {[#]} Kf6 $1 39. Nh5+ Ke5 {Threatens to win with ...g6.} 40. Nxg7 f4 {White must now prevent ...Ne3.} 41. Ra6 (41. Re7+ $142 Kf6 42. Ra7) 41... Rd6 42. Ra8 f3 (42... Rd1+ $142 43. Kf2 Rd2+ 44. Kf3 Rd3+ 45. Ke2 Rxa3 46. Re8+ Kd5) 43. Re8+ {[#]} Kf6 ({Black should play} 43... Kd5 $1 $17 {Strongly threatening ...Rg6.} 44. Nf5 Rf6) 44. Nh5+ $11 Kf7 45. Ra8 (45. Rb8 $11) 45... fxg2 {Weighted Error Value: White=0.09 (flawless) /Black=0.10 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.5"]
[White "Aryan Chopra"]
[Black "Aditya Mittal"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2585"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,95,17,22,35,31,22,22,22,35,27,24,25,39,43,27,0,0,0,7,-2,94,100,155,156,172,160,226,217,264,254,316,224,243,231,229,203,354,357,372,357,349,316,371,374,342,279,272,280,280,233,235,210,647,439,683,663,843,791,1419,1322,1879,1264,29971,11657,29988,658,650,650,674,674,652,654,707,701,1612,1517,886,697,762,733,667,658]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Bxd5 10. exd5 g6 11. Qd2 {The position is equal.} Nbd7 12. O-O-O Nb6 13. Kb1 Nbxd5 14. Bg5 {[%cal Od2d5,Be3g5,Bg5h4,Bh4g3][%mdl 32] Hoping for Qxd5!} Be7 15. Bd3 $1 {[%mdl 4] is more profitable than 15.g3 at the moment.} Qc7 16. Rhe1 O-O {[#]} 17. g4 $146 ({Predecessor:} 17. h4 a5 18. a4 Nb6 19. Bb5 Rfd8 20. g4 hxg4 21. fxg4 d5 22. Qh2 Rac8 23. Qxe5 Qxc2+ 24. Ka2 Nc4 25. Qe2 Qe4 26. Qf1 Qc2 27. Re2 {1-0 (27) Mista,A (2567)-Guo,A (2358) Charlotte 2021}) 17... h4 (17... hxg4 $11 18. fxg4 (18. c4 Nb6 $17) 18... a5) 18. Bxh4 $16 {Black is on the road to losing.} a5 ({Black should play} 18... Nf4) 19. a4 $1 Nf4 {[%cal Of6e4]} 20. Bb5 d5 (20... Rfc8 $16 21. c3 Kg7) 21. Bg3 $1 $18 {[%cal Oe1e5] And now Rxe5! would win. This bishop pair is nice.} Nh7 22. h4 (22. Bxf4 $6 exf4 23. h4 Rfd8 $16) 22... Rfd8 23. g5 {[%cal Oe1e5] Inhibits Bf6.} Nf8 24. Bxf4 exf4 25. Rh1 d4 $2 (25... Rac8 26. c3 (26. Nxa5 Ne6 $16) 26... Qb6 27. Qxf4 Ne6) 26. h5 (26. Nxd4 Bc5 $16) 26... Rd5 27. hxg6 Nxg6 28. Qh2 ({Less strong is} 28. Nxd4 Rxg5 29. c3 (29. Qh2 Qe5 $18) 29... Bf6 $18) 28... Rxg5 29. Bd3 ({Don't play} 29. Qh7+ Kf8 30. Qh6+ (30. Nxd4 Qe5 $18) 30... Kg8 $18) 29... Bf6 30. Nd2 {[%cal Bb3d2,Bd2e4,Be4g5,Bg5f7,Bf7h6][%mdl 32]} ({Weaker is} 30. Qh6 Rg3 $16) 30... Bg7 31. Ne4 Re5 32. Rdg1 {aiming for Ng5.} Kf8 33. Ng5 {[%cal Og5f7] Nxf7! is the strong threat.} Re3 $2 (33... Ra6 34. Bxa6 bxa6) 34. Qh7 Ra6 {[#]} (34... Rxd3 $142 35. cxd3 Rc8) 35. Nxf7 $1 {[%mdl 512]} Rxd3 (35... Qxf7 36. Bxa6) 36. Nh6 Qc4 37. cxd3 Qb3 38. Rh5 {Threatening mate with Rb5.} Rc6 39. Rf5+ (39. Rxa5 $142 Ra6 40. Rxa6 Qxd3+ 41. Ka1 Qxa6 42. Qg8+ Ke7 43. Qxg7+ Kd8 44. Nf7+ Kc7 45. Nd6+ $1 {[%mdl 512]} Kxd6 46. Rxg6+ Kc5 47. Rxa6) 39... Bf6 {[#]} 40. Qg8+ $1 {[%mdl 512]} Qxg8 {White is clearly winning.} 41. Nxg8 Kxg8 42. Rxg6+ {[%mdl 4096] Endgame KRR-KRB} Kf7 43. Rg4 Ke6 44. Rxa5 Be5 45. Rg6+ Bf6 46. Rb5 b6 47. Ka2 Kf7 48. Rg4 {Weighted Error Value: White=0.41/Black=0.79} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.6"]
[White "Visakh N R"]
[Black "Mitrabha, Guha"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2522"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,75,27,9,21,6,0,0,0,-7,0,-20,0,0,0,2,4,10,0,-18,6,0,23,10,19,7,8,2,16,0,39,36,50,42,47,0,27,33,45,-15,31,31,43,32,38,-12,31,14,29,24,50,43,97,43,77,29,20,22,31,31,31,31,31,31,31,-4,21,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Nf3 O-O 6. Bd2 b6 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 7. a3 (7. e4 $5 {[%cal Re4e5]}) 7... Bxc3 8. Bxc3 Bb7 {[#] To avoid e4} 9. g3 $146 ({Predecessor:} 9. e3 Nbd7 10. Bd3 Re8 11. O-O a5 12. b4 axb4 13. axb4 Qe7 14. e4 e5 15. d5 {½-½ (53) Dragun,K (2609)-Antipov,M (2565) Abu Dhabi 2016}) 9... a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 10. b3 a4 11. b4 Nbd7 12. Bg2 Be4 13. Qd1 b5 14. c5 Qc8 15. O-O Qb7 16. Qc1 h6 17. Ne1 Bxg2 18. Nxg2 Rfe8 19. f3 d5 {To avoid e4} (19... e5 $5 {[%cal Re5e4]}) 20. Qf4 Nh5 21. Qh4 Nhf6 22. Qf4 Nh5 23. Qe3 c6 24. Nf4 (24. g4 $14 Nhf6 25. g5 hxg5 26. Qxg5) 24... Nhf6 (24... Nxf4 $11 25. Qxf4 f5) 25. Nd3 $14 Qc7 26. Kh1 Nf8 27. Qf4 (27. Rad1 $14) 27... Ra7 (27... Qxf4 $11 {feels stronger.} 28. Nxf4 N6d7) 28. Rae1 Ng6 29. Qd2 Qb8 30. e4 Nh7 ({Better is} 30... dxe4 $14 31. fxe4 Qd8) 31. Qf2 (31. e5 $16) 31... f5 {[#]} 32. exf5 (32. e5 $1 $16) 32... exf5 $11 33. Bd2 {[%cal Bc3d2,Bd2f4,Bf4d6,Bd6f8][%mdl 32]} Rae7 34. Bf4 Qc8 35. Rxe7 Rxe7 36. Bd6 Re8 37. Nf4 Nhf8 38. Bxf8 {Weighted Error Value: White=0.15 (very precise) /Black=0.13 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.7"]
[White "Adhiban, B.."]
[Black "Shyaamnikhil P"]
[Result "1/2-1/2"]
[ECO "E27"]
[WhiteElo "2648"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,-7,-24,10,10,20,0,0,-14,0,-5,37,-20,-12,-10,0,0,0,-66,-8,-22,-24,-37,-31,-31,-35,-27,-9,-13,5,8,6,13,17,9,23,20,27,30,31,11,23,23,16,15,14,20,18,18,21,0,0,-24,-21,-33,0,0,0,0,-6,-40,-24,-27,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 O-O 5. a3 Bxc3+ 6. bxc3 Nh5 {White must now prevent ...Qh4+. E27: Nimzo-Indian: Sämisch: 5...0-0 6 f3.} 7. Nh3 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 8. Bg5 {8.e4 is the modern continuation.} Qe8 {8...Nf6 is vanishing.} 9. e4 h6 10. Be3 d6 (10... e5 $11) 11. Be2 (11. g4 $1 $14) 11... e5 $11 12. Nf2 f4 13. Bc1 Nc6 {[#]} 14. Rg1 $146 (14. a4 $1 $11) ({Predecessor:} 14. a4 Qg6 15. O-O Qf6 16. Bb2 Qg5 17. Qd2 Ne7 18. dxe5 dxe5 19. Ba3 Be6 20. Bxe7 Qxe7 21. Qb2 b6 22. a5 Rad8 23. axb6 axb6 24. Qb4 Rd6 25. c5 Rd2 {½-½ (25) Vestby Ellingsen,M (2338)-Rozentalis,E (2535) Hell 2019}) 14... g5 ({Better is} 14... b6 $15) 15. g3 Kh7 16. a4 b6 17. c5 bxc5 18. dxc5 Rf6 19. Rb1 Rb8 20. Ba3 Rxb1 21. Qxb1 dxc5 22. Bxc5 Ng7 23. g4 Ne6 24. Ba3 Nf8 25. Qb5 a6 26. Qc4 Nd7 27. a5 {Prevents Nb6.} Qe6 28. Qd5 $1 Qxd5 29. exd5 Nxa5 30. Bb4 Nb7 31. Ne4 Rb6 32. Kd2 c6 33. dxc6 Rxc6 34. Bd3 Kg7 35. Ra1 {To avoid a5} Ndc5 {[#] aiming for ...Nb3+.} 36. Bc2 {Inhibits Nb3+.} Be6 37. Nxc5 {Weighted Error Value: White=0.13 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.8"]
[White "Mohammad Nubairshah Shaikh"]
[Black "Karthikeyan, Murali"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2436"]
[BlackElo "2622"]
[Annotator "TA"]
[PlyCount "166"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,165,8,13,2,4,10,26,20,17,18,17,14,35,22,31,0,32,32,33,10,34,37,24,27,25,11,18,20,18,24,32,21,10,0,0,0,0,0,0,0,0,-9,16,15,14,26,26,-66,0,0,0,0,0,0,0,-47,0,0,0,0,0,-12,0,-7,0,-8,0,0,-1,-13,0,0,0,0,0,0,0,0,0,-8,-8,-8,-18,-44,0,-14,-11,-14,-11,-21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-70,-70,-70,-70,-70,-70,-68,0,0,0,0,0,0,0,0]} 1. d4 {ChessBase II} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Bd2 c5 6. e3 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} Nc6 7. Nf3 O-O 8. a3 {White has an edge.} (8. dxc5 {is interesting.} Bxc5 9. a3 e5 10. Bd3 Bb6 11. O-O) 8... Bxc3 9. Bxc3 cxd4 10. exd4 b6 11. Bd3 d5 12. b3 {[#]} Ba6 $146 ({Predecessor:} 12... Bb7 13. O-O Rc8 14. Rfd1 Qc7 15. Rac1 Rfd8 16. Qe2 Qe7 17. Qb2 Ne4 18. Be1 Ng5 19. Nxg5 Qxg5 {1-0 (41) Kan,I-Farber,G Leningrad 1948 EXT 2011 [ChessBase II]}) 13. O-O Rc8 14. Qe2 Qc7 15. Rac1 Rfd8 16. Rfd1 Ne7 {[%cal Rd5c4]} 17. Bb2 dxc4 18. bxc4 Ng6 19. g3 {Inhibits Nf4.} Bb7 20. Ng5 Re8 21. Ne4 Nxe4 22. Bxe4 Bxe4 23. Qxe4 Qd7 24. h4 Ne7 25. h5 b5 26. d5 exd5 {[%cal Rb5c4]} 27. Qd4 {[%csl Gb2][%cal Rd4g7] [#]} f6 {[%cal Rb5c4]} 28. h6 (28. cxd5 $11 Rxc1 29. Bxc1) 28... Rxc4 ({Better is} 28... bxc4 $15 29. hxg7 Rc6 30. Rxc4 Nf5 31. Qxd5+ Qxd5 32. Rxd5 Rxc4 33. Rxf5 Re7 34. Rxf6 Rxg7) 29. Rxc4 $11 bxc4 30. Qxc4 Rd8 (30... gxh6 31. Bxf6 Qe6 32. Qd4 $11) 31. Qd3 Nc6 32. hxg7 (32. Rc1 $11 {should be considered.}) 32... Ne5 ({Much less strong is} 32... Qxg7 33. Qb5 (33. Qf3 Qg5 $14) 33... Qg4 34. Rxd5 $16) (32... d4 $15) 33. Qe2 Qf5 {[%cal Od5d4]} 34. Bxe5 fxe5 {[%mdl 4096] Endgame KQR-KQR} 35. Qa6 Qf7 ({Don't do} 35... Qg4 36. Re1 $14) 36. Qh6 Qg6 37. Qh1 Kxg7 38. Qh4 Qf6 {...Qxh4 is the strong threat.} 39. Qa4 Qe7 40. Qa5 d4 41. Re1 Re8 42. Qd5 Qe6 43. Qe4 Re7 44. Rc1 Qg6 45. Qd5 Qf5 46. Qd6 Qf6 (46... Rf7 $15 47. f4 exf4 48. Qxd4+ Qf6 49. Qxf6+ Kxf6 50. gxf4 Kf5) 47. Rc6 Rf7 48. Qxf6+ Rxf6 {KR-KR} 49. Rc5 Rd6 {[#] Threatens to win with ...d3.} 50. Rxe5 d3 51. Re1 Kf6 (51... d2 $5 52. Rd1 Ra6 $11) 52. Kg2 Ra6 (52... d2 $5 53. Rd1 Rd3 $11) 53. Kf3 Rxa3 54. Rh1 Kg6 55. Ke3 Ra2 56. Rd1 Re2+ 57. Kf3 a5 58. Rxd3 Re6 59. Ra3 Ra6 60. Ke4 Kg5 61. Kd5 Kg4 62. Kc5 Rf6 63. f4 Rf5+ 64. Kb6 a4 65. Kc6 Ra5 66. Kb6 Rh5 67. Kc6 Rh3 68. Rxa4 Rxg3 69. Kd5 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 70. Ke6 Rf3 71. Ke5 h4 {Hoping for ...Rf1.} (71... Rf1 $5 {[%cal Rh5h4]} 72. Ra2 Re1+ 73. Kf6 Rg1 $11) 72. f5+ $1 Kg5 73. Ra8 $1 Rxf5+ 74. Ke4 $1 {Threatening mate with Rg8+.} Rf7 75. Rg8+ Kh5 76. Ke3 (76. Rh8+ $11 Kg4 77. Rg8+ Kh3 78. Rh8) 76... h3 $15 77. Rg3 Kh4 78. Rf3 $1 Rg7 $1 (78... h2 {leads to mate.} 79. Rxf7 Kg4 80. Rh7 Kg3 81. Rg7+ Kh4 82. Kf2 Kh3 83. Rf7) 79. Kf2 $1 Rg2+ (79... h2 $15 80. Rf8 h1=N+ 81. Ke3 Ng3) 80. Kf1 $11 {The position is equal.} Rg5 81. Rf2 Rc5 {( -> ...Kg3)} 82. Kg1 Kg3 83. Rg2+ hxg2 {Weighted Error Value: White=0.09 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.9"]
[White "Sethuraman, S.P."]
[Black "Laxman, R.R."]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2619"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,69,14,18,18,15,19,97,41,37,41,34,22,52,47,57,34,63,65,66,71,91,106,109,89,115,110,145,147,148,153,157,23,81,100,86,86,84,100,99,81,131,125,130,90,84,91,169,169,177,181,173,177,193,200,270,265,272,273,495,418]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d6 7. Re1 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Bd7 8. Bg5 {[#]} Ne7 $146 (8... a6 $11 {keeps the balance.} 9. Bxc6 Bxc6) ({Predecessor:} 8... h6 9. Bh4 Bb6 10. Na3 g5 11. Bg3 Bg4 12. Nc4 Nh5 13. h3 Bxf3 14. Qxf3 Nxg3 15. Qxg3 {½-½ (45) Akopian,V (2693)-Fontaine,R (2532) France 2004}) 9. Bxd7 ({White should play} 9. Bxf6 $16 {Bxd7 is the strong threat.} gxf6 10. Bxd7 Qxd7 11. d4 exd4 12. cxd4) 9... Nxd7 $14 10. d4 Bb6 11. Nbd2 f6 12. Be3 Kh8 13. Nc4 Ng6 14. a4 a6 15. Qb3 Qc8 16. Nxb6 Nxb6 17. dxe5 fxe5 {[%cal Of8f3] Threatens to win with ...Rxf3!} 18. Ng5 h6 19. Nf7+ Kh7 {[#]} 20. Nxd6 $1 {[%mdl 512] White is much more active.} cxd6 21. Qxb6 (21. Bxb6 $16 {Black must now prevent f3.} Qg4 22. Qd1) 21... Rf6 (21... Nh4 $1 $11 {remains equal.}) 22. Kh1 $1 $16 d5 23. Qb4 a5 24. Qb5 dxe4 25. Rad1 {[%cal Ba1d1,Bd1d7,Bd7b7][%mdl 32]} Raa6 (25... b6 $142) 26. Qd7 $1 Rac6 27. Qxc8 Rxc8 28. Rd7 b6 {[#]} (28... Nf4 $16 {was worth a try.}) 29. g3 $1 $18 Rc4 30. Ra1 Nf8 31. Rb7 Rcc6 {[#]} 32. Rd1 $1 Rc4 33. Rd5 (33. Rxb6 $6 Rxb6 34. Bxb6 Rxa4 $16) (33. Bxb6 $6 Rxa4 34. Be3 Kg6 $18) 33... Rxa4 34. Rxe5 (34. Rxb6 $6 Rxb6 35. Bxb6 Ra2 $16) (34. Bxb6 $6 Kg6 35. Be3 (35. Bxa5 $2 Rxf2 36. Rb6+ Kh7 $19) (35. Rxe5 Nd7 $16) 35... Rf7 36. Rd6+ Rf6 $18) 34... Ra2 $2 (34... Rd6 {might work better.} 35. Kg2 (35. Rxb6 Rd1+ 36. Kg2 Nd7 $11) (35. Bxb6 Rxb6 36. Rxb6 Nd7 $16) 35... Kg6) 35. Ree7 {Weighted Error Value: White=0.12 (very precise) /Black=0.31} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.10"]
[White "Harshavardhan G B"]
[Black "Sengupta, Deep"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2402"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,14,23,-16,54,21,11,12,9,1,11,24,20,22,37,45,35,38,54,19,22,0,0,-44,-10,-29,-8,-12,-14,-13,-14,-17,-14,-14,-11,-30,-43,-42,-49,-64,-54,-55,-45,-43,-48,-46,-43,-42,-66,-73,-69,-71,0,0,0,0,0,0,0,0,0,0,6]} 1. d4 d5 2. c4 dxc4 3. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Nc3 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} c6 (6... Nb4 $1 $11 7. Bb3 Nd3+ 8. Kf1 Qxd4) 7. Qb3 {[%csl LRb7,LRd5][%cal Rc3d5]} e6 {[#] And now ...Nb4 would win.} 8. Bxd5 ({Don't take} 8. Qxb7 Nb6 $16) 8... cxd5 9. Qxb7 Nd7 10. Nge2 {[#]} Rb8 $146 ({Predecessor:} 10... Be7 11. O-O {½-½ (11) Sabuk,P (2393)-Maksimenko,A (2460) Szklarska Poreba 2021}) 11. Qa6 Qb6 12. Qxb6 Nxb6 13. b3 Kd7 14. Be3 Be7 15. Kd2 Rhc8 16. a3 (16. h3 $11) 16... Kd8 {[%mdl 1024] Black has compensation.} 17. Ra2 a5 18. a4 Nd7 19. Nb5 Bb4+ 20. Kd1 Bb1 {This bishop pair is nice.} 21. Rb2 Bd3 22. Bd2 {[#] Hoping for Bxb4.} Bxb5 23. axb5 Rxb5 24. Bxb4 Rxb4 25. Kd2 Nb8 26. Ra1 Nc6 27. Ra4 Rxa4 28. bxa4 $15 {[%mdl 4096] Endgame KRN-KRN} Nb4 29. Nc3 Rc4 30. Nb5 Nc6 (30... Na6 $17) 31. Rc2 $11 {The position is equal.} Rxc2+ 32. Kxc2 f6 33. f4 Ke7 34. Kd3 h5 35. g3 Nb4+ {Weighted Error Value: White=0.09 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.11"]
[White "Aronyak Ghosh"]
[Black "Gusain, Himal"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2482"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,117,-2,0,-4,4,17,13,0,10,18,12,20,31,17,23,15,22,9,16,6,37,37,48,47,49,42,54,43,58,48,54,52,48,49,152,209,210,217,216,216,216,208,216,239,246,231,228,224,224,231,245,230,213,213,210,197,300,312,394,411,418,418,354,418,411,411,408,408,419,408,408,418,595,592,590,560,434,0,408,0,414,398,764,549,467,454,1092,1065,1519,1197,29963,29958,29965,29967,29968,29969,29972,29972,29972,29973,29972,29967,29974,29975,29975,29976,29974,29977,29975,29974]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. Nc3 cxd4 5. exd4 a6 6. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bg4 7. h3 Bxf3 8. Qxf3 {The position is equal.} ({Of course not} 8. gxf3 Nc6 $15) 8... Nc6 9. O-O-O e6 10. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Bd6 11. g5 {Bxd6 is the strong threat.} Bxf4+ 12. Qxf4 Nh5 13. Qe3 Qd6 14. h4 O-O-O {[#]} 15. Na4 $146 ({Predecessor:} 15. Ne2 h6 16. Bh3 hxg5 17. hxg5 g6 18. Bg4 Ng7 19. Qf4 Qxf4+ 20. Nxf4 Kc7 21. c3 {1-0 (37) Damjanovic,V (2352)-Dolsonov,A (2264) Belgrade 2020}) 15... Qf4 16. Rh3 Qxe3+ 17. Rxe3 Rd6 18. Nc5 g6 19. Rb3 Nd8 20. Rdd3 Rc6 21. Rdc3 {[%cal Oc5b7]} Ng7 {[#] White leaves nothing to chance now.} (21... Kc7 $1 $14) 22. Nxb7 $1 $16 {[%mdl 512] White is much more active.} Rxc3 23. bxc3 Nxb7 24. Bxa6 Ne8 {Hoping for ...Ned6.} 25. Rxb7 $18 {[%mdl 4096] Endgame KRB-KRN} Nc7 {[#]} 26. Rb6+ Nxa6 27. Rxa6 {aiming for Ra8+. KR-KR} Kb7 {To avoid Ra8} 28. Ra3 h6 29. c4 hxg5 30. hxg5 {Threatens to win with cxd5.} dxc4 31. Kb2 Rh5 32. f4 Rh1 (32... Rh4 {was worth a try.} 33. Rf3 Rh7) 33. Kc3 Rf1 34. Kxc4 Rxf4 35. Ra5 Rf2 36. c3 Kb6 37. Rb5+ Kc6 38. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ra2 39. Rc5+ Kb6 40. a5+ Kb7 (40... Ka6 $142 41. Rc7 Rf2) 41. Rb5+ Kc6 42. Rb6+ Kc7 43. Rb5 Kc6 $1 44. Rc5+ Kb7 45. Kd3 Ra1 $2 (45... Rg2 46. Ke4 Rg4+ 47. Ke3 Rh4) 46. Ke4 Re1+ 47. Kf4 Re2 (47... Ka7 $142 48. c4 Kb8) 48. c4 {[%cal Bc3c4,Bc4d5][%mdl 32]} Re1 49. d5 {Black must now prevent d6.} exd5 50. cxd5 {White mates.} Rf1+ 51. Ke5 Rf5+ 52. Kd6 Rxg5 53. Rb5+ Ka6 54. Kc6 Re5 55. Rb8 {[%cal Rb8a8]} Ka7 56. Rb7+ Ka6 57. d6 Re1 58. Rb5 Re6 59. Rd5 {Weighted Error Value: White=0.14 (very precise) /Black=0.24 (precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.12"]
[White "Ravi, Teja S."]
[Black "Sammed Jaykumar, Shete"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2469"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "175"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,175,0,0,0,0,0,-3,0,-7,0,7,-14,0,-31,-33,-43,-39,-86,33,24,25,19,51,0,1,0,0,0,0,0,-7,-10,0,0,0,0,0,0,0,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-85,-91,-72,-80,-120,-109,-127,-127,-156,-156,-130,-73,-95,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-62,-76,-76,-76,-83,-83,-83,-100,-83,-83,-83,-83,-100,-83,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,0,-100,0,-100,-83,-83,-83,-83,-83,-83,-83,-83,-83,-83,-85,-85,-92,-100,-100,-100,0,-100,-100,-100,-100,-100,-100,-100,0,-93,-93,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-100,-57,-57,-57,-57]} 1. d4 Nf6 2. Nf3 g6 3. Nc3 {[%cal Bb1c3,Bc3b5,Bb5a3,Ba3c4,Bc4e5][%mdl 32]} d5 4. Bf4 Bg7 5. Nb5 Na6 6. e3 {D00: 1 d4 d5: Unusual lines.} O-O {6...0-0 is better than 6...c6.} 7. h3 Ne4 8. Nd2 {The position is equal.} Nxd2 9. Qxd2 c6 {[%cal Bc7c6,Bc6c5,Bc5d4][%mdl 32]} 10. Na3 {[#]} Qb6 $146 ({Predecessor:} 10... b6 11. c3 Re8 12. Nc2 e5 13. dxe5 Nc5 14. Nd4 Bb7 15. Nf3 Nd7 16. Be2 Nxe5 17. Nxe5 Bxe5 18. Bxe5 Rxe5 {½-½ (28) Gounant,S (2100)-Bakhmatov,A (2200) FICGS email 2018}) 11. c4 c5 12. cxd5 cxd4 13. e4 (13. Nc4 $15 {deserves consideration.} Qc5 14. d6) 13... Bd7 (13... e6 $17 {Strongly threatening ...exd5.} 14. Nc4 Qd8) 14. Nc4 $14 Qc5 15. Ne5 Bb5 16. Rc1 (16. Bxb5 $1 $14 Qxb5 17. a4) 16... Qb6 $11 17. Nc4 Bxc4 18. Bxc4 Nc5 19. e5 Nd7 $1 ({Don't do} 19... Ne4 20. Qd3 Qb4+ 21. Kf1 $14) 20. Qe2 d3 21. Bxd3 {[%cal Bc4d3,Bd3e4,Be4b7][%mdl 32]} Qd4 22. Rc4 Qxd5 {[%cal Rd7e5]} 23. Be4 Qb5 24. a4 Qa5+ 25. b4 Qxa4 26. Bxb7 Nb6 27. Bxa8 {[#] Hoping for Bc6. This bishop pair is nice.} Nxc4 28. Qxc4 Qa1+ 29. Qc1 Qxc1+ 30. Bxc1 Rxa8 {[%mdl 4096] Endgame KRB-KRB} 31. f4 $1 Rb8 32. Bd2 g5 33. g3 (33. fxg5 $11 {keeps the balance.} Bxe5 34. Kf2) 33... gxf4 34. gxf4 a5 $1 {[%cal Ba7a5,Ba5b4,Bb4b3][%mdl 32]} 35. Ke2 axb4 36. Rb1 b3 37. Bc3 e6 38. Kd3 {[#]} h5 ({Black should try} 38... Bh6 $1 39. Bb2 Kf8) 39. Kc4 $17 Bh6 40. f5 $1 exf5 {aiming for ...f4.} 41. Rxb3 Rxb3 42. Kxb3 $15 {KB-KB} Kh7 43. Kc4 Kg6 44. Kd3 $1 Bf4 45. Ke2 Kg5 46. Kf3 {[%cal Oh3h4] Intending h4+! and mate.} Bc1 47. Be1 f4 48. Ke4 Be3 49. Kf3 Kf5 50. Bc3 Bc1 51. Bd4 Bd2 52. Bb2 Kg5 53. Kg2 Ba5 54. Bd4 Kf5 55. Kf3 Bc7 56. Bc5 Bxe5 57. Be7 Bc7 58. Bh4 Ba5 59. Be7 Bc7 60. Bh4 $1 Be5 61. Be7 $1 f6 {...Kg5 is the strong threat.} 62. Bb4 Kg5 63. Kg2 Bd4 64. Bd2 Be3 65. Bc3 Bb6 66. Bd2 Bd4 ({Stronger than} 66... Be3 67. Bc3 $17) 67. Bb4 Kf5 {And now ...Ke4 would win.} 68. Kf3 Bg1 69. Kg2 Bd4 {White must now prevent ...Ke4.} 70. Kf3 Be5 71. Bd2 Ke6 72. Bc1 Kd5 73. Ba3 Ke6 74. Bc1 $1 Kd6 75. Ba3+ Kd5 76. Bb4 Ke6 77. Bd2 Kf7 78. Bb4 Bc7 79. Bd2 Ke6 80. Bb4 Kd5 81. Be7 Ke5 82. Bb4 Bb6 83. Bc3+ Bd4 84. Bd2 Be3 $1 85. Bc3+ Ke6 86. Ke4 f5+ ({Black should play} 86... Kf7 $17 87. h4 Kg6) 87. Kf3 Kd5 88. Ba5 {Weighted Error Value: White=0.08 (flawless) /Black=0.11 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.13"]
[White "Aaryan Varshney"]
[Black "Koustav Chatterjee"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2277"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,16,31,28,35,38,51,22,25,22,24,22,31,26,47,0,0,0,3,0,8,0,0,7,3,0,2,0,0,0,0,0,0,0,22,0,4,0,4,0,78,0,0,0,0,-8,-8,-9,0,0,0,0,0,-4,-4,-41,-10,-16,-10,-10,0,0,0,-5,-9,-7,-10,-105,-108,-117,-137,-128,-15,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,-6,-9,-2,-10,-8,-14]} 1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Bf4 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Bd6 7. Bxd6 Qxd6 8. e3 {White is slightly better.} (8. e4 $5 {[%cal Rf1d3]}) 8... Ne7 9. Bd3 O-O 10. O-O Bf5 11. Bxf5 Nxf5 12. Qb3 {[#]} (12. e4 $14 Ne7 13. e5) 12... Nd7 $146 ({Predecessor:} 12... Qe7 13. Rac1 Nd6 14. Ne5 Nd7 15. Nxd7 Qxd7 16. Na4 Rae8 17. Nc5 Qe7 18. Qd3 f5 19. Qd2 Ne4 20. Nxe4 fxe4 {½-½ (20) Tin,J (2464)-Villegas,P (2364) Chess.com INT 2020}) 13. e4 (13. Qxb7 $2 Rfb8 14. Qxa8 Rxa8 $19) 13... dxe4 14. Nxe4 Qc7 15. d5 c5 16. Rac1 Rac8 17. Rfe1 b5 18. Qc2 Nd6 19. Nd4 {Nxd6 is the strong threat.} Rce8 20. Nc6 c4 21. b3 {[%cal Rb3c4]} Nb6 {White must now prevent ...Nxe4.} 22. Ng5 {[%csl Gg5][%cal Rc2h7]} g6 23. Qd2 Qd7 24. Qd4 Rxe1+ 25. Rxe1 Re8 {[%cal Re8e1] Prevents Ne7+.} 26. Re5 c3 {[%cal Ob6d5]} 27. Qxc3 {[#]} Nxd5 $1 28. Qh3 ({Not} 28. Rxd5 $2 Qxc6 $3 {[%mdl 512]} 29. Qa1 Qxd5 $19) 28... Qxh3 29. Rxe8+ Nxe8 30. Nxh3 {[%mdl 4096] Endgame KNN-KNN} f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 31. f3 Kf7 32. Nf2 Ke6 (32... Nc3 $5 {[%cal Rc3a2]}) 33. Ne4 f5 34. Nd4+ $1 Ke5 35. Nc6+ Ke6 36. Nd4+ $1 Ke7 (36... Ke5 $5 37. Nc6+ Ke6 $11) 37. Nc5 Nec7 38. a4 {[#]} (38. a3 $11 {remains equal.}) 38... Nb4 $1 $17 {Strongly threatening ...Kd6.} 39. axb5 axb5 {Threatens to win with ...Kd6.} 40. Nb7 {[#]} Nd3 ({Black should try} 40... Kd7 $1 $17 {And now ...Nc6 would win.} 41. Kf2 Nc6 42. Nc5+ Kd6 43. Nb7+ Kd5) 41. Kf1 {The position is equal.} Kf6 42. Nd6 b4 {Hoping for ...Ke5.} 43. Nc4 Ne6 44. Nc2 Nec5 45. Na5 Ke6 46. Nc6 Na6 47. Ke2 Nf4+ 48. Ke3 Nxg2+ 49. Kf2 Nf4 50. N2xb4 Nc5 51. Nd4+ Ke5 52. Nbc2 Nd5 {[%cal Od5b4]} 53. Nc6+ Kd6 54. N6d4 {Weighted Error Value: White=0.07 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "9.14"]
[White "Ratnakaran, K.."]
[Black "Das, Sayantan"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2316"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,7,12,16,60,74,69,70,75,77,102,102,106,72,75,38,46,35,50,10,33,38,56,36,34,55,83,71,69,68,84,85,115,118,139,136,209,198,222,206,358,380,358,381,355,380,377,364,329,240,247,236,240,232,266,264,269,264,305,306,294,286,337,328,414,383,407,427,709,698,785,765]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Qg3 {[#] B11: Caro-Kann: Two Knights Variation.} Qa5 $146 (6... Ne7 $11 {was preferrable.}) ({Predecessor:} 6... h5 7. d4 dxe4 8. Nxe4 Qxd4 9. Bd3 Nf6 10. Nxf6+ Qxf6 11. Qc7 Bc5 12. O-O Nd7 13. Qxb7 Rd8 14. Qxc6 {1-0 (32) Bartel,M (2643)-Tari,A (2630) chess24.com INT 2020}) 7. exd5 $14 cxd5 8. b4 {White is slightly better.} Qd8 {[#]} 9. Nb5 $1 {Black must now prevent Nc7+.} Na6 {To avoid Nc7+} 10. Bb2 Nf6 11. Bd3 Be7 12. O-O {White is much more active.} (12. Qxg7 Rg8 13. Qh6 Nxb4 $11) 12... O-O 13. a3 Ne8 14. f4 Bh4 15. Qe3 Bf6 16. Bxf6 (16. Be5 $5 {[%cal Rb5a7]}) 16... Nxf6 17. f5 Re8 18. fxe6 ({Don't blunder} 18. Nxa7 $2 d4 19. Qf2 Rxa7 $19) 18... Rxe6 19. Qf4 Qb6+ {White now steadily converts the win.} 20. Kh1 Rae8 21. c3 Re5 22. a4 Qe6 (22... Qd8 $16 {keeps fighting.}) 23. Nd4 $18 ({Resist} 23. Nxa7 $6 Nh5 24. Qf2 Nc7 $16) 23... Qc8 24. Nf5 {[%cal Of5g7]} R8e6 $2 {[#]} (24... Qe6 {might work better.} 25. Nd4 Qb6) 25. Nxg7 $1 {[%mdl 512]} Kxg7 26. Qg3+ Kf8 {[#] Hoping for ...Qc7.} 27. Rxf6 $1 {[%mdl 576] Deflection} Rxf6 28. Qxe5 Qe6 29. Qxe6 Rxe6 30. Bxh7 {[%mdl 4096] Endgame KRB-KRN} d4 31. Rf1 Nc7 32. Bd3 ({But not} 32. cxd4 Rd6 33. Bc2 Rxd4 $18) 32... dxc3 33. dxc3 Rc6 34. Be4 Rxc3 35. Bxb7 Rb3 36. Rf4 a5 37. Rc4 Ne8 38. Rc8 Ke7 (38... axb4 $142 39. Bc6 Re3) 39. Bc6 Nd6 40. Rc7+ {Weighted Error Value: White=0.08 (flawless) /Black=0.24 (precise)} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.1"]
[White "Erigaisi Arjun"]
[Black "Iniyan, P."]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2633"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,82,12,2,14,15,12,10,13,2,25,0,28,26,21,25,35,0,0,0,0,-12,0,5,20,25,35,17,42,35,41,0,31,11,11,0,11,0,0,-5,0,-11,0,-22,-23,-42,-55,-53,-64,-58,-64,-72,-47,-47,-47,-52,-59,-85,-83,-88,-41,-40,-25,-25,0,0,0,-25,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 Be7 6. h3 O-O 7. Nbd2 c5 $1 {7...c5 scores better than 7...d5.} 8. c3 {[%cal Bc2c3,Bc3d4][%mdl 32]} Ba6 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems.} 9. Bxa6 Nxa6 10. O-O Qc8 11. e4 {[%cal Be3e4,Be4e5][%mdl 32] [#]} cxd4 $146 ({Predecessor:} 11... d5 12. e5 Nd7 13. Re1 b5 14. Re3 Kh8 15. Ne1 f5 16. exf6 Bxf6 17. Ndf3 Bxd4 18. Nxd4 cxd4 19. Qxd4 {½-½ (41) Votava,J (2520)-Zelbel,P (2357) Austria 2012}) 12. cxd4 d5 13. e5 Nd7 14. a3 Qb7 15. Re1 Rfc8 16. Nf1 {[%cal Bd2f1,Bf1e3,Be3g4][%mdl 32]} b5 17. b3 Rc6 18. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Nc7 19. h5 a5 20. Ne3 Ne8 21. Ng4 a4 22. b4 (22. h6 $14) 22... Rac8 23. Bd2 Nb6 24. Qe2 Qa7 25. Red1 ({Don't blunder} 25. Qxb5 $2 Nc4 26. Rec1 R6c7 27. Rxc4 dxc4 $19) 25... Nc4 26. Bf4 Nb6 27. Bd2 ({Not} 27. Qxb5 $2 Nc4 28. Rdc1 Rb6 $19) 27... Nc4 28. Be1 f5 29. exf6 gxf6 30. Rd3 {[%cal Of3e5]} Kh8 31. Bd2 Qd7 32. Nh4 {[%cal Oh4g6] [#] Threatens to win with Ng6+!} f5 33. Ne5 Nxe5 34. Qxe5+ Bf6 35. Qf4 Nd6 36. Nf3 {[#]} Nc4 ({Black should try} 36... Rc2 $1 $17) 37. Re1 $15 Rg8 38. Qh2 Nb2 39. Rde3 {Hoping for Ne5.} Nc4 40. Rd3 Nb2 41. Rde3 {aiming for Ne5.} Nc4 {Weighted Error Value: White=0.07 (flawless) /Black=0.10 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.2"]
[White "Aravindh, Chithambaram VR."]
[Black "Aryan Chopra"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2611"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,126,16,0,0,0,2,-24,-23,-23,-23,-47,-35,-25,-28,-25,-30,-33,-32,-43,-31,-26,-22,-25,-34,-22,8,10,14,-37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,132,159,166,173,173,10,12,0,190,0,0,0,0,0,0,0,0,0,0,0,67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O d5 6. b3 Nbd7 7. Bb2 c5 8. Nbd2 Bd6 9. Ne5 O-O 10. f4 cxd4 {D05: Colle System with ...e6.} 11. exd4 Ne4 12. Bxe4 dxe4 {Black has an edge.} 13. Ndc4 Be7 14. Ne3 f5 {[#]} 15. Nxd7 $146 ({Predecessor:} 15. Qe2 Nxe5 16. dxe5 Qc7 17. Rfd1 Rfd8 18. Bd4 Rd7 19. c3 Rad8 {½-½ (19) Vezzosi,P (2380)-Bresciani,N (2289) Bratto 2005}) 15... Qxd7 16. c4 b5 17. Rf2 bxc4 18. bxc4 Rad8 19. Qb3 Rb8 20. Qc3 Ba6 21. Rd1 Rfc8 22. d5 $1 {[%csl Gb2][%cal Rc3g7]} Bf6 23. Qc1 (23. Qa3 $11 Rxb2 24. Rxb2 Bxb2 25. Qxb2 (25. Qxa6 e5 $11)) 23... Bxb2 (23... Bxc4 {keeps more tension.} 24. Bxf6 Bb3 25. Be5 Rxc1 26. Rxc1 Rc8) 24. Rxb2 Rxb2 25. Qxb2 Bxc4 26. Nxc4 Rxc4 $15 {[%mdl 4096] Endgame KQR-KQR} 27. Qb3 $1 Qc8 {aiming for ...Qc5+.} (27... exd5 $2 28. Qxc4 $3 {[%mdl 512]} dxc4 29. Rxd7 $18) 28. d6 {[%cal Bd5d6,Bd6d7][%mdl 32] White wants to mate with d7.} Rc1 29. d7 Rxd1+ 30. Qxd1 $11 {KQ-KQ} Qd8 31. Qd6 Kf7 32. Kf1 h6 33. g3 h5 34. Ke2 a6 35. Ke3 g5 {[#]} (35... a5 $11) 36. fxg5 $1 $16 {White is much more active.} Qxg5+ 37. Ke2 Qd8 38. a4 $2 (38. Kf1 $18) 38... Kf6 $1 $11 39. a5 $2 (39. Ke3 $11) 39... Kf7 $18 40. h3 $2 (40. Kf1 $18) 40... Kf6 $11 41. Ke3 Kf7 42. Kf4 Kf6 43. Ke3 Kf7 44. Ke2 (44. Kf2 $11) 44... Kf6 $14 45. Kf2 Kf7 46. h4 (46. Ke3 $14) 46... Kf6 $11 {The position is equal.} 47. Ke3 Kf7 48. Kf4 Kf6 49. g4 fxg4 50. Kxe4 Kf7 51. Ke3 Kf6 52. Kd4 {Strongly threatening Kc5.} Kf7 53. Ke4 Kf6 54. Ke3 Kf7 $1 55. Kd4 g3 $1 {And now ...g2 would win.} 56. Ke3 g2 57. Kf2 Qxh4+ 58. Kxg2 Qe4+ 59. Kf2 Qc2+ 60. Ke3 Qc3+ 61. Ke4 Qc4+ 62. Ke3 Qc3+ 63. Ke4 Qc4+ {Weighted Error Value: White=0.13 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.3"]
[White "Gupta, Abhijeet"]
[Black "Gukesh D"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "2628"]
[BlackElo "2614"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,128,-14,5,-35,-36,-38,0,0,-12,-39,-24,-37,-27,-13,0,0,19,-18,-8,-33,12,12,25,13,35,31,42,43,36,0,0,-14,0,8,4,10,83,70,58,0,0,0,0,0,0,-36,-13,-7,-31,-43,-29,-34,0,-27,-24,-43,0,-51,-41,-64,0,-8,-9,-20,-8,-66,-8,-49,-8,-95,-36,-164,-178,-175,-181,-185,-168,-193,-135,-150,-161,-186,-181,-170,-149,-148,-181,-182,-230,-308,-207,-195,-197,-320,-209,-193,0,-470,-470,-779,-715,-887,-760,-29958,-29964,-29964,-29965,-29975,-29976,-29977,-29977,-29979,-29980,-29981,-29982,-29982,-29983,-29985,-29986,-29986,-29987]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nc6 6. f3 {E24: Nimzo-Indian: Sämisch: Unusual Black 5th moves and 5...c5 sidelines.} b6 7. e4 d6 8. Bd3 {The position is equal.} Na5 9. Bg5 h6 10. Bh4 g5 11. Bf2 {[#]} Rg8 $146 ({Predecessor:} 11... Ba6 12. h4 Rg8 13. hxg5 hxg5 14. Ne2 Qd7 15. e5 dxe5 16. dxe5 O-O-O 17. Nd4 Ne8 {1-0 (29) Carlsen,M (2876)-Pichot,A (2590) chess24.com INT 2019}) 12. Ne2 {[%cal Bg1e2,Be2d4,Bd4b5][%mdl 32]} Ba6 13. O-O Qd7 14. d5 {[%cal Oc4c5]} c5 (14... Bxc4 $15 15. Nd4 Kf8) 15. dxc6 $11 Nxc6 16. Nd4 Ne5 17. Nb5 $1 Ke7 {[%cal Oe5c4]} 18. a4 Rgc8 19. Be2 {[%cal Ob5d6]} Nxc4 20. Nd4 Nb2 {[%csl LRc3,LRd1] Pair of Knights!} 21. Qc2 Bxe2 22. Qxe2 Nxa4 (22... Nc4 $1 $11) 23. e5 $1 $16 Ne8 (23... dxe5 $2 24. Qxe5 Nd5 25. c4 $18) 24. f4 (24. Nb5 $1 $14 Nc5 25. Nxd6 Nxd6 26. Rad1) 24... Nxc3 $11 25. Qh5 {[%csl LRg5,LRh6]} dxe5 (25... gxf4 $2 26. Bh4+ f6 27. exf6+ Kd8 28. f7+ Kc7 29. f8=Q $18) 26. fxe5 Kd8 {[%cal Be7d8,Bd8c8,Bc8b7][%mdl 32]} 27. Be3 Rc7 $1 28. Nf3 {[%cal Oe3b6] Hoping for Bxb6!} Nd5 (28... Ne2+ 29. Kh1 Qc6 30. Nxg5 $1 (30. Qxh6 Kc8 $16) 30... hxg5 31. Qxe2 $16) 29. Rfd1 {[%cal Oe3b6]} Rb8 30. Qxh6 Kc8 (30... g4 $5 {[%cal Rg4f3]} 31. Nd2 Kc8 $15) 31. Bxg5 Kb7 32. h4 Qb5 (32... a5 $15) 33. Kh1 (33. Nd4 $11 Qd7 34. Qh5) 33... Rbc8 34. h5 Qb4 (34... Qe2 $15) 35. Rd4 Qb2 36. Rda4 a5 37. R4a2 ({Better is} 37. Bd2 $11) 37... Qb3 (37... Qb5 $15) 38. Bd2 $1 Ra8 (38... Qb5 $1 $15) 39. Ra3 (39. Qg5 $1 $11) 39... Qc2 $17 40. Qg5 {[#]} (40. Kg1 $1 $15) 40... f6 $1 $36 {[%cal Bf7f6,Bf6e5][%mdl 2080] Keeping White busy.} 41. Qg4 {[#]} fxe5 $1 42. Qxe6 Nef6 {Threatens to win with ...Rh8.} 43. Rc1 Qh7 {Active counter play!} (43... Qxc1+ $19 44. Bxc1 Rxc1+ 45. Ng1 Re8) 44. Rxc7+ $17 ({Don't go for} 44. Nxe5 $2 Rxc1+ 45. Bxc1 Qxh5+ 46. Rh3 Qd1+ 47. Kh2 Qxc1 $19) 44... Qxc7 {The board is on fire.} 45. Qxe5 ({Wrong is} 45. Nxe5 $2 Re8 46. Qc6+ Qxc6 $19) 45... Qxe5 46. Nxe5 Nxh5 ({Weaker is} 46... Re8 47. Nc4 Ne4 48. h6 $15) 47. g4 Nhf6 48. g5 Ne4 49. Nf3 Nxd2 50. Nxd2 $19 {[%mdl 4096] Endgame KRN-KRN} b5 {White must now prevent ...a4.} 51. Rd3 (51. Kg1 {was worth a try.}) 51... Nf4 52. Rf3 Nd5 (52... Ne6 $19 {...Rd8 is the strong threat.} 53. Rf6 Nc5) 53. Rf5 $2 {[%mdl 8192]} (53. Rd3 $1 $11 {and White has nothing to worry.}) 53... Kc6 54. Nb3 (54. Kg1 $142 a4 55. Kf2) 54... a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 55. Nd4+ Kc5 56. Nxb5 Kxb5 {Black mates.} 57. Rxd5+ {KR-KR} Kc4 58. Rd7 a3 59. Rc7+ Kb3 60. Rb7+ Kc2 61. Rc7+ Kd2 62. Rd7+ Ke2 63. Re7+ Kf2 64. Rf7+ Kg3 {Weighted Error Value: White=0.43/Black=0.17 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.4"]
[White "Swapnil, S. Dhopade"]
[Black "Sethuraman, S.P."]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2495"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,106,0,0,0,0,0,0,0,0,0,15,12,26,2,22,2,16,11,12,30,24,27,23,16,56,40,43,0,0,0,29,29,32,26,33,33,30,33,31,32,35,23,26,33,26,0,61,39,56,16,12,0,0,-60,-62,-66,-8,-14,-31,-259,-250,-265,-51,-24,0,-216,-252,-206,0,-601,-566,-1383,-1345,-1343,-1175,-1208,-1366,-1359,-1337,-29987,-29988,-29987,-29988,-29991,-29992,-29992,-29993]} 1. Nf3 c5 2. g3 g6 3. c4 Bg7 4. Nc3 Nc6 5. Bg2 d6 6. d3 e6 7. O-O Nge7 8. Rb1 O-O 9. a3 b6 10. Bd2 Bb7 11. b4 Qd7 12. Qa4 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Rfd8 13. Rfc1 {was the old line (13.Rfd1).} h6 14. h4 {The position is equal.} Nf5 15. e3 {[#]} Qc7 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 15... Kh8 16. Qd1 Qe7 17. Ne2 Rac8 18. Bc3 Ne5 19. Nxe5 dxe5 20. e4 Nd4 21. Nxd4 exd4 22. Bd2 {½-½ (22) Hausrath,D (2493)-Tari,A (2614) Germany 2018}) 16. Qd1 Qe7 17. Qe2 {[%cal Oh4h5]} Rac8 18. b5 Nb8 19. e4 Nd4 20. Nxd4 cxd4 21. Na2 Nd7 22. a4 a5 23. bxa6 $1 Bxa6 24. a5 (24. e5 $14) 24... bxa5 $11 25. Bxa5 Re8 26. Nb4 Bb7 {[#]} 27. Nd5 $1 exd5 28. Rxb7 Qe6 {To avoid Qg4} 29. Qf1 dxc4 30. Bh3 {This bishop pair is nice.} f5 31. exf5 gxf5 32. dxc4 {Strongly threatening Re1.} Nc5 33. Rb5 Qg6 (33... d3 $1 $11) 34. Qd1 Re5 35. Qf3 Rf8 $1 36. Bd2 f4 $1 37. Bg2 (37. Bxf4 $11 Nd3 38. h5 (38. Rxe5 dxe5 39. h5 Qh7 $17) 38... Rxf4 39. Qd1 (39. Qxf4 $2 Nxf4 40. hxg6 Ne2+ 41. Kf1 Nxc1 $19)) 37... fxg3 $15 38. Qxg3 Qf6 (38... Qxg3 $15 39. fxg3 Re2) 39. Rcb1 Re2 {[%csl LRd2,LRf2]} 40. Be1 {[#]} (40. Bd5+ $2 Kh8 41. Ba5 Rxf2 $19) (40. Bb4 $1 $15) 40... d3 $1 $19 41. Bf1 Re4 (41... Ree8 $19 {And now ...Kh8 would win.} 42. Rd1 Kh8 43. Rxc5 dxc5 44. Bxd3 Rg8) 42. Bg2 $15 ({Wrong is} 42. Bb4 $2 Qd4 43. Bh3 (43. Bxc5 $2 dxc5 44. Bh3 d2 $19) 43... d2 44. Bxd2 Qxd2 $19) 42... Re2 (42... Rxh4 $11 43. Rb6 Rd8) 43. Bf1 $19 Ree8 44. Bg2 Qd4 $2 ({Better is} 44... Kh8 $19 {Threatens to win with ...Qf5.} 45. Rb6 Qf5) 45. Bd5+ $2 {[%mdl 8192]} (45. Bd2 $11) 45... Kh8 46. Rd1 Be5 47. Qh3 Bf4 {White must now prevent ...d2.} 48. Bb4 Re2 49. Rf1 Be5 {[%cal Re2f2]} 50. Kh1 Rexf2 {Black mates.} 51. Rxf2 Qxf2 ({Resist} 51... Rxf2 52. Qc8+ Kg7 53. Qg8+ Kf6 54. Qf7#) 52. Bxc5 dxc5 53. Rb1 d2 {Weighted Error Value: White=0.59/Black=0.23 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.5"]
[White "Lalith Babu M R"]
[Black "Pranav Vijay"]
[Result "0-1"]
[ECO "A60"]
[WhiteElo "2563"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,26,44,-8,-12,-22,-9,-25,-22,-27,-28,-25,-19,-18,-22,-61,-59,-90,-74,-72,-50,-69,-64,-64,-67,-112,-66,-32,-6,-54,-21,-42,14,0,0,0,0,0,0,0,21,0,8,14,4,0,6,-56,-50,-56,-18,-88,-97,-97,-97,-196,-196,-200,-202,-519,-514,-470,-203,-449,-397,-502,-482,-558,-512,-759,-758,-677,-658,-1817,-1579]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 b5 6. a4 {A60: Modern Benoni: Early Divergences.} (6. Nh3 $14) 6... b4 $11 7. Bg2 d6 8. Nd2 {The position is equal.} g6 9. Nc4 Ba6 10. Qb3 Bxc4 11. Qxc4 Bg7 {[#]} 12. Qb5+ $146 ({Predecessor:} 12. Nf3 O-O 13. O-O Nbd7 14. a5 Qe7 15. h3 Ne4 16. Ra2 f5 17. h4 h6 18. Qd3 {0-1 (30) Saenz,I-Kraai,J (2498) San Diego 2009}) 12... Nbd7 13. Bf4 Rb8 14. Qd3 ({Wrong is} 14. Qc6 $2 Rb6 15. Bxd6 Rxc6 $19) 14... Qe7 15. Nf3 Ne4 16. Rb1 O-O {Black is more active.} 17. O-O (17. a5 $15 {should be considered.}) 17... Nb6 (17... a5 $1 $17) 18. a5 $15 Nd7 (18... Na4 {keeps more tension.} 19. Be5 Nec3 20. Bxg7 Qxe2 21. Qe3 Qxe3 22. fxe3 Kxg7 23. bxc3 Nxc3 24. Rb3 c4) 19. Rfc1 (19. h4 $11 {is more appropriate.}) 19... Rfe8 20. Qa6 Nf8 ({Black should play} 20... g5 $15 21. Be3 h6) 21. Ne1 $11 g5 22. Bxe4 Qxe4 23. Bxg5 ({Not} 23. Bxd6 $2 Qg6 24. Qxa7 Qxd6 25. Qxc5 Qxc5 26. Rxc5 Rxe2 $19) 23... Qxd5 24. Be3 Re6 25. Qxa7 (25. Nd3 $5 {[%cal Rd3f4]}) 25... Qa8 26. Qxa8 Rxa8 27. Nd3 Rxa5 28. Ra1 {Prevents Ra2.} ({White should try} 28. Nf4 $11) 28... Rxa1 $15 29. Rxa1 b3 {...c4 is the strong threat.} ({But not} 29... c4 30. Nxb4 Bxb2 31. Ra2 $16) 30. Ra4 (30. Nf4 $1 $11 Re8 31. Nd5) 30... Re8 $1 $17 31. Kg2 Ne6 32. Kf3 (32. f4 $17) 32... Rc8 $1 $19 33. Bc1 c4 $1 34. Nf4 (34. Nb4 {was the crucial defense.} Nd4+ 35. Kg2 Nxe2 36. Nd5) 34... Nxf4 35. gxf4 {[%mdl 4096] Endgame KRB-KRB} d5 (35... c3 $142 36. bxc3 Bxc3) 36. Rb4 $2 {[#]} (36. Ra1) 36... f5 $1 37. Rb5 {[#]} Ra8 $1 {aiming for ...Ra1. Black is clearly winning.} 38. Rxd5 Ra1 39. Be3 c3 40. Rd8+ Kf7 41. Rd7+ Ke6 {Weighted Error Value: White=0.55/Black=0.15 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.6"]
[White "Visakh N R"]
[Black "Aronyak Ghosh"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2522"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,155,26,35,15,28,17,42,38,51,57,38,41,56,47,50,26,32,29,40,29,35,39,35,40,38,38,54,26,32,12,14,0,36,29,29,11,4,11,15,21,21,7,30,29,38,34,34,34,41,41,43,43,58,58,61,61,61,52,53,53,62,62,74,53,67,52,74,73,71,0,73,70,70,70,70,70,70,70,70,70,114,114,114,114,154,154,619,487,550,467,586,498,410,402,654,646,654,634,576,576,654,612,548,533,1426,1293,1343,1086,1312,1245,1212,1183,29970,29972,29972,29973,29973,29974,29974,29975,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984,29984,8,29985,29986,29986,29987,29987,29988]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Be2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Nc6 8. dxc5 (8. Ne5 {keeps more tension.} cxd4 9. Nxc6 bxc6 10. Bf3 Qc7 11. Qxd4 Bb7 12. Nd2) 8... Bxc5 9. Qxd8+ {White is slightly better.} Kxd8 10. b3 Ke7 11. Bb2 Rd8 12. Rc1 {[#]} Bb4 $146 ({Predecessor:} 12... Ba7 13. Nbd2 Nd5 14. Ne4 f6 15. Ba3+ Ncb4 16. Nc5 a5 17. Nd4 e5 18. Nb5 Bxc5 19. Rxc5 {½-½ (39) Brink,B (2360)-Dobrov,V (2518) Wijk aan Zee 2016}) 13. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Bd7 14. Na4 Be8 15. Nc5 Na5 16. Nd4 {[%cal Oc5b7]} Rac8 17. Nd3 Bd6 18. Bf3 b6 19. Rxc8 (19. h3 {with more complications.} g6 20. g4 Bd7 21. e4 e5 22. g5) 19... Rxc8 20. Rc1 Rxc1+ 21. Bxc1 Kd8 22. Bd2 Bd7 23. Bxa5 (23. Nb4 {seems wilder.} e5 24. Ndc2 Bb5 25. Bc3 Kd7 26. h3) 23... bxa5 24. Nc6+ Bxc6 25. Bxc6 $11 {[%mdl 4096] Endgame KBN-KBN} Kc7 26. Bf3 Nd7 27. Be2 Ba3 28. Kf1 Kd6 29. Ke1 Nc5 30. Nxc5 {Threatens to win with Ne4+.} Kxc5 31. Bxa6 $14 {KB-KB} e5 32. Bc4 f6 33. Bg8 h6 34. h4 Bb4+ 35. Ke2 Bc3 36. h5 Bb4 37. Bf7 Bc3 38. Be6 Bb4 39. Kd3 Be1 40. Ke2 Bb4 41. f3 {White now steadily converts the win.} Ba3 42. Kd2 Bb4+ 43. Kd3 Ba3 44. Ke4 Bc1 45. Kf5 Bxe3 (45... Kd6 $1 $14) 46. Kg6 $16 Bg5 47. Kxg7 Kd4 {[#]} 48. Bf5 $1 {Be4 is the strong threat.} Kd5 (48... Kc3 $16 49. Kg6 Kd4) 49. Kg6 Kd6 50. Kf7 Bh4 51. Bc2 Bg5 52. Be4 Bh4 (52... Kc5 $142 53. Kg6 Kd4) 53. a3 {[%cal Ba2a3,Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Kc5 54. Kg6 Bg5 55. g3 Kd4 56. Kf5 Bc1 57. a4 Bg5 58. b4 axb4 59. a5 {Intending f4 and mate.} Kc5 60. f4 exf4 61. gxf4 b3 62. fxg5 fxg5 {KB-K3P} 63. a6 Kb6 {[#]} 64. Bd3 $1 b2 65. Ke4 Ka7 66. Kd4 Kb6 67. Kc3 b1=R 68. Bxb1 Kxa6 {KB-KPP} 69. Kd4 Kb6 70. Ke5 Kc7 71. Bf5 Kd8 72. Kf6 Ke8 73. Kg7 Ke7 74. Bg4 Ke8 75. Kxh6 $2 (75. Be2 {mates} Ke7 76. Kxh6 Kf6 77. Bg4 Kf7 78. Kh7 (78. Kxg5 Kg8 $11) 78... Kf6 79. h6 Kf7 80. Bd1) 75... Kf8 $2 {[%mdl 8192]} (75... Kf7 $11) 76. Kh7 {White mates.} Kf7 77. h6 Kf8 78. Bh5 {Weighted Error Value: White=0.11 (very precise) /Black=0.31} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.7"]
[White "Mitrabha, Guha"]
[Black "Panda Sambit"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2510"]
[BlackElo "2059"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,107,-10,9,0,7,0,26,0,0,4,0,0,12,10,11,16,10,0,12,6,23,0,0,0,0,8,32,15,7,-27,-27,-33,0,0,0,-30,-24,-14,-19,-40,0,0,0,0,0,0,0,-10,0,-6,0,0,0,0,0,-6,0,0,14,0,0,0,0,-4,-4,-5,15,16,9,12,15,0,33,41,50,55,59,29,91,95,89,97,127,100,601,579,1369,1341,1150,1169,1024,996,982,902,29990,29978,29972,5367]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. dxc5 Bxc5 6. a3 a5 7. b3 {D30: Queen's Gambit Declined: Systems without Nc3.} Nc6 8. Bb2 {To avoid d4} O-O {[%cal Oe6e5]} 9. Be2 {White has an edge.} Qe7 10. Nc3 {[%cal Bb1c3,Bc3b5,Bb5d4,Bd4f3,Bf3e5][%mdl 32]} Rd8 11. cxd5 exd5 12. Nb5 {Inhibits d4.} Bg4 13. O-O Ne4 14. Nfd4 {[#]} Nxd4 $146 ({Predecessor:} 14... Bd7 15. Bg4 Be6 16. Rc1 Nxd4 17. Nxd4 Rac8 18. Nxe6 fxe6 19. Qf3 Rc6 20. Qh3 Rf8 21. b4 axb4 22. axb4 Ng5 23. Qh5 Bxb4 24. h4 Nf7 {½-½ (24) Georgiev,V (2549)-Roeder,M (2442) Saint Vincent 2003}) 15. Nxd4 Bd7 16. Bg4 (16. Nf3 {seems wilder.} Qd6 17. Rc1 Rdc8 18. a4 Bb4 19. Qd4) 16... Ra6 17. Bxd7 Qxd7 18. Rc1 Ba7 19. Nf3 Bb8 20. Be5 ({But not} 20. Qd4 Rg6 21. Ne1 (21. g3 Qh3 $15) 21... h5 $15) 20... Bxe5 $1 21. Nxe5 Qe7 (21... Qd6 $5 {[%cal Rd6e5]} 22. Nf3 (22. Qh5 $2 g6 $19) 22... Qxa3 $11) 22. Qd4 Re6 ({Much less strong is} 22... Qxa3 23. Nxf7 $1 {[%mdl 512]} Rd7 24. Ne5 $16) 23. Nf3 Qxa3 24. Qa7 Qxb3 {Threatens to win with ...Qb6.} 25. Rb1 Ra6 26. Qxa6 $1 Qxb1 $1 27. Qxa5 {[%cal Ra5d8]} b6 {[%cal Ob1f1] ...Qxf1+! is the strong threat.} 28. Qa7 Qb2 29. Qc7 {[%cal Rc7d8]} Rf8 30. h3 h6 31. Nd4 Nd2 32. Re1 Ne4 33. Re2 Qb1+ 34. Kh2 Qb4 35. Rc2 Qd6+ 36. Qxd6 Nxd6 $11 {[%mdl 4096] Endgame KRN-KRN} 37. Rc7 Ne4 38. f3 Nf6 39. Rb7 Re8 40. Nf5 Re6 41. g4 d4 42. exd4 Nd5 43. Kg3 g5 44. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Nf4 {[#]} (44... Ne3 $11 {remains equal.}) 45. Rd7 $1 $16 {aiming for d5.} Ne2+ 46. Kf2 {Black must now prevent d5. White is more active.} Nf4 {[#]} 47. h5 $1 {Strongly threatening d5.} Rf6 $2 {[%mdl 8192] A mistake that costs the game.} (47... Nd3+ $16 48. Kg3 Nf4) 48. d5 $18 {[%cal Bd4d5,Bd5d6,Bd6d7][%mdl 32]} b5 49. d6 {White wants to mate with Rd8+.} Re6 50. Re7 {White threatens d7 and mate.} Nd3+ 51. Kg3 {Intending d7 and mate.} Ne5 52. d7 Nc6 53. Rxe6 fxe6 {[#]} 54. Ne7+ $1 {[%mdl 512] Weighted Error Value: White=0.06 (flawless) /Black=0.39} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.8"]
[White "Karthikeyan, Murali"]
[Black "Ratnakaran, K.."]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2622"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,65,27,26,12,15,7,66,61,114,118,109,110,142,137,144,147,131,135,144,114,130,132,135,129,200,164,433,407,766,778,750,744,893,913,832,673,670,656,719,722,733,675,704,588,761,694,727,720,697,691,939,845,891,887,823,800]} 1. e4 e6 2. d4 d5 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Ne2 f6 7. Ng3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} fxe5 8. dxe5 {[#]} Qe7 $146 ({Black should try} 8... Be7 $11) ({Predecessor:} 8... Be7 9. Bb5 Bd7 10. Bxc6 Bxc6 11. Nd4 Qd7 12. Qg4 Bc5 13. Nxe4 Bxd4 14. Ng3 Bc5 {1-0 (43) Leniart,A (2455)-Timofeev,A (2659) Warsaw 2011}) 9. c3 {White is slightly better.} g6 (9... Nc5 $14) 10. Nxe4 dxe4 11. Ng5 Qg7 12. Bf4 Bd7 13. Nxe4 {Hoping for Nf6+.} O-O-O 14. Qf3 {White is much more active. Black has bad knights.} Be7 15. Qe3 h6 16. h4 Be8 17. Rd1 Bf7 (17... Kb8 $16 18. Rxd8+ Nxd8) 18. Bb5 Nb8 (18... Rxd1+ 19. Kxd1 Be8) 19. Nd6+ $18 Bxd6 (19... cxd6 $142 20. exd6 Be8 21. dxe7 Rxd1+ 22. Kxd1 Bxb5) 20. exd6 {White is clearly winning.} c6 {[#]} 21. Be5 $1 Qh7 {[#]} (21... Qf8 22. d7+) 22. Qxa7 $1 {White wants to mate with d7+.} Rd7 23. Bxh8 Qxh8 24. Be2 h5 25. Rh3 {[%cal Bh1h3,Bh3d3,Bd3e3][%mdl 32]} e5 26. Qe3 Qf6 27. Qg5 Qe6 28. b3 Rxd6 29. Rxd6 Qxd6 30. Rd3 Qc7 31. Qf6 {Threatening mate with Qh8+.} b5 32. Re3 Kb7 33. Qxe5 {White took control after the opening.  Weighted Error Value: White=0.21 (precise) /Black=0.40} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.9"]
[White "Sammed Jaykumar, Shete"]
[Black "Adhiban, B.."]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2408"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,129,0,1,13,2,16,17,16,9,9,0,18,17,9,0,10,6,3,9,17,14,8,10,11,6,6,4,10,0,10,0,0,0,0,0,0,0,0,0,4,4,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29979]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. exd6 e6 6. g3 Bxd6 7. Bg2 Nc6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 {The position is equal.} Qc7 {B22: Sicilian: 2 c3.} 12. c4 $1 {[%mdl 4] is recently more successful than 12.Nd2.} Be5 13. Qe4 Nf6 14. Qe2 Bd7 15. Nd2 {[#]} Rac8 $146 ({Predecessor:} 15... h6 16. Nf3 Bd6 17. b3 Bc6 18. Bb2 Qe7 19. Rad1 Rfd8 20. Nd4 Bxg2 21. Kxg2 Ba3 {½-½ (48) Okhotnik,V (2486)-Arnaudov,P (2449) Forni di Sopra 2011}) 16. Nf3 Bd6 17. Rd1 Bc6 18. Bg5 Bc5 19. Be3 b6 20. Bxc5 Bxf3 21. Bxf3 bxc5 22. Rd3 Rfd8 23. Rad1 Kf8 24. Kg2 Rxd3 25. Qxd3 Ke7 {To avoid Qd6+} 26. Qe3 h6 27. a3 a5 28. Rd3 Rb8 29. Rd2 Qb6 30. Qe5 {[%cal Ob2b4] Black should prevent b4!} Rd8 31. Rxd8 Kxd8 32. b4 axb4 33. axb4 Qc7 34. Qc3 cxb4 35. Qxb4 Nd7 36. h4 Qc5 37. Qc3 Qe5 38. Qd3 Ke7 39. Bc6 Nc5 40. Qa3 Qd6 41. Qa8 Qc7 42. Bf3 Qd6 43. Bc6 Qc7 44. Bf3 Nd3 45. Qa3+ Qd6 46. Qc3 {Prevents Ne1+.} Kf8 47. Be4 Nc5 48. Bf3 Nd7 49. Be2 Qc5 50. Qd3 Ke7 51. Qc3 Nf6 {[%cal Oc5f2]} 52. Bf3 g5 53. hxg5 hxg5 54. Qb3 Ne8 55. Qb5 Qxb5 56. cxb5 $11 {[%mdl 4096] Endgame KB-KN} Nf6 57. Bc6 Kd6 58. Kf3 Kc5 59. Ke3 Ng4+ 60. Ke2 Ne5 61. Be8 f6 62. f4 gxf4 63. gxf4 Nc4 64. Bf7 Nd6 65. Ke3 $2 {[%mdl 40960] Weighted Error Value: White=0.01 (flawless) /Black=0.01 (flawless) . An unexpected result.} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.10"]
[White "Sengupta, Deep"]
[Black "Utsab Chatterjee"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2528"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,22,33,0,8,6,13,14,16,16,26,26,21,18,36,-35,25,13,0,-81,-61,-82,-70,-63,0,-83,0,-16,0,-61,102,0,143,110,162,154,173,129,170,176,185,86,79,70,114,70,62,66,154,152,588,568,556,546,1686,1634,1834,173,129,0,1647,1472,29979,6395,5319,0,29977,29976,29971,29978,5406,663,652,614,29992,5357,29993,1717]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 7. Nb3 Be6 8. f4 {The position is equal.} exf4 9. Bxf4 Nc6 10. Qd2 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 11. O-O-O {[%cal Re4d5]} Bb4 12. Qe3 (12. exd5 Nxd5 $1 13. g3 Nxc3 14. bxc3 Qxd2+ 15. Bxd2 Ba3+ 16. Kb1 O-O-O $15) (12. Bg5 $14 Nxe4 13. Qe3) 12... Bxc3 (12... d4 $1 $15 13. Nxd4 Bc5 14. Nxe6 Bxe3+ 15. Bxe3 Qxd1+ $1 16. Nxd1 fxe6) 13. Qxc3 $11 {aiming for exd5.} O-O {[#]} 14. Nc5 $146 (14. exd5 $1 $11 {remains equal.} Nxd5 15. Qg3) ({Predecessor:} 14. exd5 Nxd5 15. Qg3 Qf6 16. Bg5 Qe5 17. Qxe5 Nxe5 18. Nc5 Rac8 19. Nxe6 fxe6 20. Re1 {1-0 (50) Klabis,R (2332)-Brazdzionis,A (2335) Vilnius 2021}) 14... d4 15. Qa3 Bg4 16. Re1 Qc8 (16... Qe7 $1 $15) 17. h5 (17. Kb1 $11) 17... Nxh5 ({Black should play} 17... a5 $1 $17 {Hoping for ...Nb4.} 18. Bd6 Rd8) 18. Bd6 Re8 (18... Rd8 $5 {[%cal Rd8d6]} 19. Na4 Qe6 $11) 19. e5 (19. Bc4 $11) 19... Nf4 $2 (19... Qf5 $1 $15 20. e6 Qg5+ 21. Kb1 Qd5) 20. Bc4 ({White should try} 20. Qg3 $1 $16 {[%cal Rg3f4]} Qf5 21. Re4) 20... Nd8 (20... Qf5 $11) 21. Qg3 {[%mdl 1024] White has strong compensation.} Ng6 (21... b5 $16 {was called for.}) 22. Bd5 $40 {[%cal Oe5e6][%mdl 128] White is out for blood.} (22. Qh2 $6 h5 $16) 22... Qf5 {Inhibits e6.} 23. Rhf1 {To avoid Qf4+. The board is on fire.} (23. Ref1 Qg5+ 24. Kb1 h5 $16) (23. Kb1 $18 {Black must now prevent Ref1.} h5 24. Rhf1) 23... Qg5+ (23... Qh5 $16 24. Nxb7 Be6) 24. Kb1 Rc8 25. Qb3 (25. Qf2 $18) 25... Nf4 $16 26. Be4 (26. Nxb7 Nxd5 27. Nxd8 Rexd8 $17) (26. Bxb7 Nxb7 27. Qxb7 (27. Ne4 Be6 $15) 27... Bf5 $11) 26... Bh5 (26... h6 $14) 27. g3 (27. Nxb7 $16 {Strongly threatening g3.} Bg6 28. Nxd8 Rcxd8 29. Qf3 (29. Bxg6 Qxg6 30. a3 Ne6 $14)) 27... Nfe6 $1 $14 28. Nxe6 {White is much more active. Black has bad knights.} Nxe6 (28... Rxe6 $14 29. Bf5 (29. Bxb7 Nxb7 30. Qxb7 Rce8 $11) 29... Bg6) 29. Rf5 $1 $16 ({Don't take} 29. Bxb7 Bg6 30. Bxc8 Rxc8 $16) 29... Qg4 {[#]} (29... Qd2 $16 {is a better chance.} 30. Bb4 Rc3 31. Bxc3 dxc3 32. Qxc3 Qxc3 33. bxc3 Bg6) 30. Rxh5 $1 $18 {[%mdl 512]} Qxh5 31. Rh1 {[%mdl 64] Skewer} Qg5 32. Bxh7+ {A strong pair of Bishops.} Kh8 33. Bg6+ $2 (33. Qf3 {White threatens Bg6+ and mate.} Qh6 34. Rxh6 gxh6 35. Bd3) 33... Kg8 34. Bh7+ {[%mdl 8192]} (34. Be4 $16 g6 35. Qf3 (35. Qxb7 Nc5 $15)) 34... Kh8 35. Qxb7 Rf8 36. Bg6+ (36. Qe4 $142 g6 37. Bxg6+ Kg8 38. Bf5 Rxc2 39. Qxc2 Qg7 40. Bxe6 d3 41. Qxd3) 36... Kg8 {[#]} 37. Bh7+ (37. Bxf7+ $1 $18 {[%mdl 512]} Rxf7 38. Qxc8+ Nd8 39. e6) 37... Kh8 38. Qe4 {Prevents g6.} g6 39. Bxg6+ Kg7 40. Bxf8+ (40. Rh7+ $142 Kg8 41. Bf5 Rxc2 42. Qxc2) 40... Rxf8 41. Bf5 {White wants to mate with Rh7+.} Nc7 42. Rh7+ Kg8 {[#]} 43. Rh4 {Weighted Error Value: White=0.71/Black=0.93} (43. Qh1 $142 $1 Qg6 44. Bxg6 fxg6 45. Rxc7 Rf7 46. Qd5 Kh7 47. Qxf7+ Kh6 48. Qe7 Kh5 49. Qh4#) 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.11"]
[White "Deepan Chakkravarthy J."]
[Black "Mohammad Nubairshah Shaikh"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2520"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,82,1,22,8,0,0,0,0,24,18,27,13,68,32,62,31,186,0,0,-86,-78,-85,-35,-42,-25,-47,-42,-62,-21,-18,12,12,12,12,12,6,81,-72,-77,-70,-63,-99,-97,-96,-91,-86,-90,-182,-129,-117,-117,-212,-215,-207,-215,-274,-258,-587,-555,-543,-540,-523,-501,-904,-864,-802,-750,-1538,-1524,-1494,-1347,-12831,-12829,-12837,-9960]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nb4 7. Nc3 {is currently scoring better than 7.Bb5+.} a6 8. Bf4 {The position is equal.} g6 9. O-O Nxd3 {[#]} 10. cxd3 $146 ({Predecessor:} 10. Qxd3 Bf5 11. Qd2 Bg7 12. Rfe1 Rc8 13. Rac1 h5 14. Nh4 Ne4 15. Nxe4 dxe4 16. Nxf5 gxf5 {½-½ (49) Lafourcade,V (1909)-Malassagne,R (2252) Avoine 2019}) 10... Bg7 (10... Nh5 $11 11. Bg5 h6) 11. Rc1 Nh5 12. Be5 f6 $2 {[#]} (12... O-O $14) 13. Bh2 $2 ({White must play} 13. Bc7 $1 $18 {[%cal Rc7d8][%mdl 512]} Qxc7 14. Nxd5) 13... Bh6 $11 14. Qb3 (14. Rc2 $11) 14... Bxc1 $17 15. Rxc1 Be6 ({Black should try} 15... e6 $17) 16. Qxb7 $15 ({Don't play} 16. g4 Ng7 17. Qxb7 h5 $17) 16... Qc8 17. Qb6 Kf7 18. Re1 g5 (18... a5 $15) 19. Na4 $11 Nf4 20. Bxf4 gxf4 21. Nc5 {Pair of Knights!} Bf5 {Threatens to win with ...Rb8.} 22. Nh4 Bg6 (22... Rd8 $1 $11 {remains equal.}) 23. Re6 $2 {[#]} (23. Qa5 $16 {stays on course.}) 23... Rb8 $1 $17 24. Qa7 Re8 25. Nxg6 hxg6 {The board is on fire.} 26. b3 Ra8 $36 {[%cal Bb8a8,Ba8a7,Ba7c7][%mdl 2080] Black is really pushing.} 27. Qb6 {[#]} f3 $1 28. gxf3 (28. g4 $17 {was called for.}) 28... Rh8 (28... g5 $19 29. Kg2 a5) 29. Kg2 Rh4 {[%mdl 1024] Black has strong compensation.} 30. Qb4 (30. b4 $17) 30... a5 $19 31. Qe1 Ra7 32. Qe3 g5 {[%cal Bg6g5,Bg5g4][%mdl 32] Inhibits f4.} 33. Kf1 $2 (33. f4 {nothing else works.} gxf4 34. Qf3) 33... Rxh3 {Black is clearly winning.} 34. Ke2 Rc7 35. Kd2 g4 {...g3 is the strong threat.} 36. a4 (36. Qe1 $142 Rxf3 37. a3) 36... Rxf3 37. Qe1 Rh3 {[%cal Bf3h3,Bh3h2,Bh2g2][%mdl 32]} 38. Qe2 Rh2 {[%cal Og4g3]} 39. Qe3 Rg2 {And now ...g3 would win.} 40. Ke1 g3 41. fxg3 Qh8 {Weighted Error Value: White=0.86/Black=0.18 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.12"]
[White "Harsha Bharathakoti"]
[Black "Harshavardhan G B"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2499"]
[BlackElo "2402"]
[Annotator "RC"]
[PlyCount "202"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:06]} e5 {[%emt 0:01:04]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:35]} Nf6 {[%emt 0:01:01]} 4. Bb5 {[%emt 0:00:06]} Bd6 {[%emt 0:02:31]} 5. d3 {[%emt 0:00:12]} h6 {[%emt 0:00:23]} 6. a3 {[%emt 0:00:06]} a6 {[%emt 0:00:33]} 7. Ba4 {[%emt 0:00:36]} Bc5 {[%emt 0:01:36]} 8. Bxc6 {[%emt 0:26:27]} dxc6 {[%emt 0:00:36]} 9. h3 {[%emt 0:00:04]} Qe7 {[%emt 0:04:29]} 10. Qe2 {[%emt 0:02:37]} Bd6 {[%emt 0:11:07]} 11. Be3 {[%emt 0:05:02]} c5 {[%emt 0:01:27]} 12. Nd2 {[%emt 0:12:28]} Be6 {[%emt 0:01:25]} 13. a4 {[%emt 0:10:44]} a5 {[%emt 0:05:59]} 14. Nc4 {[%emt 0:01:53]} b6 {[%emt 0:00:23]} 15. Nxd6+ {[%emt 0:02:41]} cxd6 {[%emt 0:24:07]} 16. f4 {[%emt 0:01:56]} exf4 {[%emt 0:03:55]} 17. Bxf4 {[%emt 0:00:16]} Nd7 {[%emt 0:00:06]} 18. Nb5 {[%emt 0:05:28]} Ne5 {[%emt 0:00:49]} 19. Qh5 {[%emt 0:02:57]} g5 {[%emt 0:01:12]} 20. Bxe5 {[%emt 0:00:14]} dxe5 {[%emt 0:00:07]} 21. b3 {[%emt 0:00:13]} O-O-O {[%emt 0:02:55]} 22. O-O-O {[%emt 0:05:09]} g4 {[%emt 0:10:16]} 23. Qxe5 {[%emt 0:02:24]} gxh3 {[%emt 0:01:00]} 24. gxh3 {[%emt 0:02:50]} Qg5+ {[%emt 0:00:21]} 25. Qxg5 {[%emt 0:00:05]} hxg5 {[%emt 0:00:04]} 26. Rdg1 {[%emt 0:04:02]} Rh5 {[%emt 0:01:35]} 27. Rh2 {[%emt 0:03:02]} Rdh8 {[%emt 0:01:20]} 28. Rhg2 {[%emt 0:00:08]} f6 {[%emt 0:00:24]} 29. e5 {[%emt 0:02:49]} Bxh3 {[%emt 0:11:29]} 30. Rg3 {[%emt 0:00:03]} fxe5 {[%emt 0:00:11]} 31. Rxg5 {[%emt 0:00:04]} Rxg5 {[%emt 0:00:54]} 32. Rxg5 {[%emt 0:00:05]} Bd7 {[%emt 0:00:13]} 33. Na3 {[%emt 0:04:26]} Rh7 {[%emt 0:01:12]} 34. Rxe5 {[%emt 0:00:09]} Kc7 {[%emt 0:00:04]} 35. Nc4 {[%emt 0:00:18]} Rh1+ {[%emt 0:02:21]} 36. Kb2 {[%emt 0:00:06]} Rh7 {[%emt 0:00:04]} 37. Kc3 {[%emt 0:00:33]} Rg7 {[%emt 0:00:43]} 38. Rh5 {[%emt 0:01:45]} Bc6 {[%emt 0:00:35]} 39. Ne5 {[%emt 0:00:54]} Bb7 {[%emt 0:00:26]} 40. Kc4 {[%emt 0:01:05]} Ba6+ {[%emt 0:04:12]} 41. Kc3 {[%emt 0:01:24]} Re7 {[%emt 0:00:37]} 42. Rf5 {[%emt 0:00:29]} Bc8 {[%emt 0:00:50]} 43. Rg5 {[%emt 0:00:39]} Bb7 {[%emt 0:00:06]} 44. Nc4 {[%emt 0:01:28]} Bc6 {[%emt 0:00:12]} 45. Rg6 {[%emt 0:00:03]} Rh7 {[%emt 0:00:21]} 46. Ne5 {[%emt 0:00:40]} Bd5 {[%emt 0:00:24]} 47. Rf6 {[%emt 0:01:28]} Rg7 {[%emt 0:01:01]} 48. Ng6 {[%emt 0:00:07]} Rd7 {[%emt 0:03:11]} 49. Nf4 {[%emt 0:00:49]} Kb7 {[%emt 0:00:28]} 50. Nxd5 {[%emt 0:03:05]} Rxd5 {[%emt 0:00:10]} 51. Rf4 {[%emt 0:00:02]} Rd6 {[%emt 0:00:31]} 52. Kc4 {[%emt 0:00:04]} Kc6 {[%emt 0:00:03]} 53. c3 {[%emt 0:00:11]} Rh6 {[%emt 0:00:03]} 54. Re4 {[%emt 0:00:26]} Rg6 {[%emt 0:00:49]} 55. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:04]} 56. cxd4 {[%emt 0:02:46]} Rg3 {[%emt 0:00:45]} 57. Re6+ {[%emt 0:00:00]} Kc7 {[%emt 0:00:11]} 58. Re7+ {[%emt 0:00:23]} Kc6 {[%emt 0:00:11]} 59. Re6+ {[%emt 0:00:34]} Kc7 {[%emt 0:00:05]} 60. Rf6 {[%emt 0:00:15]} Rg5 {[%emt 0:00:17]} 61. Rh6 {[%emt 0:00:35]} Rf5 {[%emt 0:00:21]} 62. d5 {[%emt 0:00:31]} Rf3 {[%emt 0:00:15]} 63. Rh7+ {[%emt 0:00:16]} Kd6 {[%emt 0:07:47]} 64. Rh6+ {[%emt 0:00:07]} Kc7 {[%emt 0:00:00]} 65. Rc6+ {[%emt 0:00:55]} Kb7 {[%emt 0:00:00]} 66. Re6 {[%emt 0:00:42]} Kc7 {[%emt 0:00:00]} 67. Re4 {[%emt 0:00:38]} Kd6 {[%emt 0:00:00]} 68. Re6+ {[%emt 0:00:26]} Kc7 {[%emt 0:00:00]} 69. Rc6+ {[%emt 0:00:04]} Kb7 {[%emt 0:00:00]} 70. Kd4 {[%emt 0:00:19]} Rxb3 {[%emt 0:00:00]} 71. Rc3 {[%emt 0:00:39]} Rb4+ {[%emt 0:00:00]} 72. Rc4 {[%emt 0:00:04]} Rb1 {[%emt 0:00:00]} 73. d6 {[%emt 0:02:02]} Rh1 {[%emt 0:00:00]} 74. Rc7+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:00]} 75. Rg7 {[%emt 0:00:00]} Kc8 {[%emt 0:00:00]} 76. Kd5 {[%emt 0:00:00]} Rh4 {[%emt 0:00:00]} 77. Rc7+ {[%emt 0:00:02]} Kd8 {[%emt 0:00:00]} 78. Rc4 {[%emt 0:00:39]} Rh1 {[%emt 0:00:00]} 79. Kc6 {[%emt 0:00:05]} Rb1 {[%emt 0:00:00]} 80. Rg4 {[%emt 0:00:56]} Rc1+ {[%emt 0:00:00]} 81. Kxb6 {[%emt 0:00:04]} Rd1 {[%emt 0:00:11]} 82. Kc5 {[%emt 0:00:04]} Rc1+ {[%emt 0:01:15]} 83. Rc4 {[%emt 0:00:15]} Rb1 {[%emt 0:00:39]} 84. Kc6 {[%emt 0:00:12]} Ra1 {[%emt 0:04:00]} 85. Rd4 {[%emt 0:00:06]} Rc1+ {[%emt 0:04:02]} 86. Kb6 {[%emt 0:00:09]} Kd7 {[%emt 0:00:04]} 87. Kxa5 {[%emt 0:00:09]} Rb1 {[%emt 0:00:19]} 88. Ka6 {[%emt 0:00:25]} Rb8 {[%emt 0:00:48]} 89. Ka7 {[%emt 0:00:46]} Rb1 {[%emt 0:00:15]} 90. Rd5 {[%emt 0:00:32]} Rb4 {[%emt 0:00:16]} 91. a5 {[%emt 0:00:09]} Rb1 {[%emt 0:00:20]} 92. Ka6 {[%emt 0:00:13]} Rb2 {[%emt 0:00:29]} 93. Rb5 {[%emt 0:00:29]} Ra2 {[%emt 0:00:11]} 94. Kb7 {[%emt 0:00:06]} Rh2 {[%emt 0:01:30]} 95. a6 {[%emt 0:00:07]} Kxd6 {[%emt 0:00:07]} 96. a7 {[%emt 0:00:04]} Rh7+ {[%emt 0:00:09]} 97. Ka6 {[%emt 0:00:04]} Rh8 {[%emt 0:00:05]} 98. Rb8 {[%emt 0:00:05]} Rh1 {[%emt 0:00:05]} 99. a8=Q {[%emt 0:00:08]} Ra1+ {[%emt 0:00:04]} 100. Kb7 {[%emt 0:00:07]} Rxa8 {[%emt 0:00:05]} 101. Rxa8 {[%emt 0:00:04]} Kd5 {[%emt 0:04:06]} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.13"]
[White "Aditya Mittal"]
[Black "Aaryan Varshney"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2487"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,89,42,35,43,55,57,99,70,93,72,84,75,112,57,52,44,220,225,271,269,261,268,272,257,268,277,258,261,242,156,208,205,175,119,181,174,180,183,188,187,395,422,424,402,414,414,435,420,401,416,389,388,407,318,872,822,29991,29992,29992,29993,29993,29994,29994,29995,29995,29994,29994,29995]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nf3 O-O 9. O-O Re8 10. Qc2 Nf8 11. h3 Ng6 {Recently 11...Nh5 got a lot of attention.} 12. Ne5 Nd7 13. Bxe7 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Qxe7 14. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} (14. Bxg6 hxg6 15. Nf3 Nb6 $11) 14... f6 (14... Ndxe5 $14 {is more appropriate.} 15. dxe5 Bd7) 15. Ng4 {White is much more active. White is better.} ({Reject} 15. Bxg6 $6 hxg6 16. Nxg6 Qxe3+ 17. Kh2 Nf8 $11) (15. Nxg6 {keeps more tension.} hxg6 16. Bxg6 Qxe3+ 17. Kh2 Re7 18. Rae1) 15... Nb6 16. f5 {[#]} Nf8 $146 ({Predecessor:} 16... Nh8 17. e4 h5 18. Nh2 Nf7 19. Rae1 Bd7 20. Nf3 dxe4 21. Nxe4 Nd5 22. Qf2 Qd8 {1-0 (46) Struzka,V (2248)-Latta,H (2117) ICCF email 2014}) 17. Rae1 {aiming for e4.} Qd6 18. a4 (18. Qf2 $1 $16) 18... Qb4 $14 19. a5 Qxa5 (19... Nc4 $1 $14) 20. Qb3 $1 $18 Nbd7 {[#]} 21. Nxd5 {[%mdl 512]} cxd5 (21... Qxd5 $2 22. Bc4 Qxc4 23. Qxc4+ $18) 22. Ra1 $1 Qc7 {Strongly threatening ...Qd6.} 23. Qxd5+ Kh8 24. Qf7 $1 ({Not} 24. Bc4 Ne6 25. fxe6 Nf8 $14) 24... Qd8 {Threatens to win with ...Nb6.} 25. Bc4 {[%csl Gc4][%cal Rf7g8]} Ne6 26. Bxe6 Re7 (26... Nb6 $16) 27. Qh5 Nb6 {[#]} 28. Bf7 (28. d5 $1 $18) 28... Qf8 (28... Bd7 $16) 29. Bb3 {Black must now prevent Rf4.} Bd7 {[#]} 30. Rf4 $1 {[%cal Og4e5] And now Ne5! would win.} Be8 31. Qh4 $40 {[%mdl 128] White has strong attack.} Bf7 $2 {[#]} (31... Rc7 {might work better.} 32. Ne5 h6) 32. Nxf6 $1 {[%csl Gf6][%cal Rh4h7][%mdl 512]} h6 33. Bxf7 Rxf7 34. Ng4 {[%cal Bf6g4,Bg4h6,Bh6f7][%mdl 32]} Rxf5 35. Raf1 Rxf4 36. Rxf4 ({Weaker is} 36. exf4 Qd8 37. Qf2 Nd5 $16) 36... Qd8 37. Qh5 {[%cal Og4h6] White wants to mate with Nxh6!} Qe8 38. Qf5 {[%cal Og4h6] Nxh6! is the strong threat.} Nc4 $2 {[#]} (38... Rc8 39. Ne5 Kg8) 39. Nxh6 $1 {[%mdl 512]} Nxe3 (39... gxh6 40. Qf6+) 40. Nf7+ {White mates.} Kg8 41. Qh5 {[%csl Gf7][%cal Rh5h8]} Kf8 42. Nd6+ Ke7 43. Nxe8 Rxe8 44. Re4+ Kd6 45. Qxe8 {Weighted Error Value: White=0.10 (very precise) /Black=0.43} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.02"]
[Round "10.14"]
[White "Shyaamnikhil P"]
[Black "Ravi, Teja S."]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2442"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,50,14,15,5,1,0,0,0,0,0,0,-29,-35,-20,-27,-31,-20,-27,-33,-54,-32,-34,-30,-46,-53,-76,0,-33,0,-83,0,-52,0]} 1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. Bb5 e6 8. O-O Be7 9. Re1 O-O 10. d4 Bd7 11. Nxd5 {B10: Caro-Kann: 2 d3 and 2 c4.} exd5 12. Qb3 Be6 13. Bxc6 {The position is equal.} bxc6 14. Ne5 Rc8 15. Qg3 {[#]} Re8 $146 ({Predecessor:} 15... c5 16. Be3 c4 17. Bh6 Bf6 18. h4 Qb6 19. Rad1 Qxb2 20. h5 Kh8 21. Bc1 Qc2 {0-1 (30) Milov,V (2622)-Loetscher,R (2416) Bern 2014}) 16. Bh6 {[%csl Gh6][%cal Rg3g7] [#]} Bf8 17. b3 c5 18. dxc5 Rxc5 19. Nd3 Rc8 20. Bg5 Qa5 21. h4 Bf5 {[%cal Of7f6]} 22. Red1 Be6 (22... Re4 $17 23. Rac1 Rxc1 24. Rxc1 Qa3) 23. Re1 $15 Bf5 (23... d4 $15) 24. Red1 $1 $17 Be6 (24... d4 $17 25. Bf4 Qa6) 25. Re1 ({White should play} 25. Bf6 $11) 25... Bf5 {Weighted Error Value: White=0.11 (very precise) /Black=0.16 (very precise)} (25... d4 $1 $15) 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.1"]
[White "Sethuraman, S.P."]
[Black "Erigaisi Arjun"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2619"]
[BlackElo "2633"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,84,7,10,0,0,0,0,-43,0,4,16,15,14,17,17,13,14,17,17,24,14,10,16,22,64,77,79,16,17,8,8,10,26,25,22,24,29,28,20,25,18,24,21,20,22,27,19,19,29,27,29,29,29,24,24,10,10,10,29,29,29,16,29,7,8,8,36,33,36,36,36,36,36,36,36]} 1. c4 {CB} c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. a3 Be7 {6...Bc5 is more fashionable.} 7. g3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} Qb6 8. Nf3 O-O {[%cal Od7d5]} 9. Be3 (9. Bg2 $11 {feels stronger.}) 9... Qd8 (9... Qxb2 $2 10. Na4 Bb4+ 11. axb4 Qxb4+ 12. Bd2 $18) (9... Qa6 $1 $15) 10. Bg2 $11 d5 11. cxd5 Nxd5 12. Nxd5 exd5 13. O-O Bf6 14. Nd4 {[#]} Bg4 $146 ({Predecessor:} 14... Re8 15. Rc1 Nxd4 16. Bxd4 Bxd4 17. Qxd4 Rxe2 18. Rfd1 Bf5 19. Bxd5 Qd7 20. Qf4 Bc2 21. Rd4 Qe7 22. Rc4 Rd8 23. Rc7 Qf6 24. R1xc2 {1-0 (22) Kovalevskaya,E (2417)-Munguntuul,B (2447) Jermuk 2012 CBM 150 [CB]}) 15. Nxc6 bxc6 16. h3 Bh5 17. Rc1 {[%cal Ba1c1,Bc1c6,Bc6c5,Bc5h5][%mdl 32]} Bxb2 (17... Rc8 $11) 18. Rxc6 $14 d4 {[#]} 19. Bc1 {White is more active.} ({Better is} 19. Rc2 $1 $16 dxe3 (19... Rc8 20. Rxb2) 20. Qxd8 Raxd8 21. Rxb2) 19... Rb8 $11 20. Rc5 Bxc1 21. Rxh5 Bg5 22. h4 Bf6 23. Qd3 {[%csl Gh5][%cal Rd3h7]} g6 24. Rc5 Rc8 25. Rfc1 Rxc5 26. Rxc5 Qe7 27. Qc4 Rd8 {[%cal Od4d3]} 28. Bd5 Kg7 29. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Rd7 30. Kg2 h5 31. a5 Qd6 32. Bf3 Qe7 33. a6 d3 34. exd3 Bd4 35. Rc6 Qe1 36. Qc2 (36. Qa2 {is more complex.} Qe5 37. Be4 Rd6 38. Rxd6 Qxd6 39. Bb7) 36... Qe5 37. Qe2 Qxe2 38. Bxe2 Re7 39. Bf3 {White is slightly better.} Re6 40. Rxe6 fxe6 41. Be4 Kf6 42. Kf3 Bb6 {Weighted Error Value: White=0.07 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.2"]
[White "Gukesh D"]
[Black "Aryan Chopra"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2614"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,60,0,0,0,0,0,0,-9,0,-52,-7,0,0,-20,0,0,25,0,20,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-15,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5 11. O-O Qc7 12. Qe2 Rd8 13. Bb2 Nd7 14. Rfe1 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Rac8 15. Rad1 Nf6 16. Bb1 {[#]} b5 $146 ({Predecessor:} 16... g6 17. d5 e5 18. c4 Bd6 19. Nh4 Nh5 20. g3 Rf8 21. f4 Ng7 22. Rf1 f6 23. fxe5 fxe5 24. Rxf8+ Rxf8 {0-1 (69) Ngo,B (2195)-Navumenka,M (2188) Tornelo INT 2021}) 17. Qc2 (17. Bd3 $11) 17... g6 (17... cxd4 $15 18. e5 {[#]} g6 $1 19. exf6 Bxf6) 18. Qe2 $11 a5 19. h3 c4 20. Bc1 b4 21. axb4 axb4 {The position is equal.} 22. cxb4 Bxb4 23. Bg5 Bxe1 24. Qxe1 Ne8 {[%cal Bf6e8,Be8d6,Bd6c4][%mdl 32]} 25. Bxd8 Qxd8 26. Bc2 Nd6 27. Rb1 {[%cal Od4d5]} Rc7 28. Qe3 c3 29. Ra1 Nc4 30. Qd3 Nd6 {An even fight not without its subleties.  Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.3"]
[White "Pranav Vijay"]
[Black "Visakh N R"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2265"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,9,14,-24,-5,-17,-6,-10,0,-39,0,-1,0,-48,-24,-42,-31,-48,-38,-42,-16,-63,-65,-68,-72,-78,-70,-59,-25,-19,-29,-29,-20,-37,-45,-43,-51,-73,-58,-78,-20,-54,-31,-37,-16,-58,0,0,0,0,0,0,0,0,17,21,44,0,0,0,0,0,11,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 e6 5. Nc3 Bb4 6. a3 {B12: Caro-Kann: Advance Variation.} Bxc3+ 7. bxc3 Ne7 {[%cal Oc6c5]} 8. c5 {[#]} Nd7 $146 ({Predecessor:} 8... b6 9. cxb6 Qxb6 10. Ne2 h6 11. Ng3 Bh7 12. Bd3 Bxd3 13. Qxd3 O-O 14. O-O Qa6 {1-0 (29) Smith,A (2144)-Larkin,B (1753) Newcastle on Tyne 2021}) 9. Ne2 O-O 10. Ng3 Bg6 11. Bd3 (11. a4 $11) 11... Qa5 12. Ne2 b6 13. cxb6 Nxb6 14. O-O Qa4 15. Bg5 (15. Nf4 $11 {feels stronger.}) 15... Qxd1 $1 $15 16. Raxd1 Bxd3 17. Rxd3 Ng6 18. Bc1 f6 19. exf6 Rxf6 20. h4 e5 21. dxe5 Nxe5 22. Rg3 Re8 {[%cal Oe5f3]} 23. Bg5 Rf7 24. Nd4 Nbc4 (24... c5 $17 25. Nb3 Na4) 25. Bc1 c5 26. Nb3 Rc8 27. h5 (27. Rd1 $11) 27... Rb7 (27... Nd6 $15) 28. Nd2 $11 Nxd2 29. Bxd2 Nc4 {[%csl LRa3,LRd2]} 30. Bc1 d4 31. h6 Nd6 32. cxd4 cxd4 33. Rg5 (33. hxg7 $14 Rxg7 34. Rb3) 33... Ne4 {[%cal Oc8c1] [#] And now ...Rxc1! would win. The position is equal.} 34. Rg4 Nc3 {Threatens to win with ...Ne2+.} 35. Bd2 Re8 36. Bxc3 {Weighted Error Value: White=0.12 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.4"]
[White "Iniyan, P."]
[Black "Mitrabha, Guha"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2516"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,4,0,0,18,0,8,0,38,39,44,37,43,34,68,56,82,84,81,82,95,66,152,139,152,168,222,157,158,146,140,138,103,66,53,47,56,51,57,47,79,73,99,97,99,106,101,103,71,60,214,197,285,263,262,131,266,151,248,248,589,420,730,730,730,712,722,719,625,600]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. dxe5 Nc5 6. Be2 {C43: Petroff Defence: 3 d4.} Be7 7. O-O O-O 8. Be3 {The position is equal.} Ne6 9. c4 $1 dxc4 10. Qc2 {[#]} Nd7 $146 ({Predecessor:} 10... c6 11. Bxc4 Nd7 12. Bd3 h6 13. Nc3 Qa5 14. Rae1 Nxe5 15. Nxe5 Qxe5 16. Bxh6 Qh5 {1-0 (28) Safarli,E (2608)-Georgakopoulos,N (2343) Patras 2019}) 11. Bxc4 Nb6 12. Rd1 Qe8 13. Bd3 h6 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} c6 15. Nc3 Bd7 (15... Nc7 $14) 16. Qd2 $16 Rd8 17. a5 Nc8 (17... Nd5 {is a better defense.} 18. Nxd5 (18. Bxa7 Nef4 $16) 18... cxd5) 18. Bb1 Ng5 19. Bxg5 (19. Nxg5 Bf5 20. Qe2 (20. Bxf5 Rxd2 21. Rxd2 hxg5 $14) 20... Rxd1+ 21. Qxd1 Bxb1 $16) 19... hxg5 20. Qe3 (20. Nxg5 $6 Bf5 21. Qf4 Rxd1+ 22. Nxd1 Bxb1 23. Rxb1 Bxg5 24. Qxg5 f6 $11) 20... g4 {Prevents h3.} 21. Ng5 Bxg5 22. Qxg5 {Black must now prevent Ne4.} Qe7 $1 23. Qf4 $40 {[%mdl 128] White has some attack.} (23. Qh5 g6 24. Qh6 Qxe5 $15) 23... Be6 24. Re1 c5 25. Ra4 Qh4 26. Ne4 b6 27. axb6 axb6 28. h3 Ne7 29. hxg4 Bd7 $2 (29... Ng6 $14 30. Qg5 Qxg4) 30. g3 $1 $18 Qh3 (30... Ng6 {was called for.} 31. gxh4 (31. Nf6+ Qxf6 32. exf6 Nxf4 $11) 31... Nxf4 32. Nf6+ gxf6 33. Rxf4 Rfe8) 31. Ng5 {Active counter play!} Qh6 {[#]} 32. Ra7 (32. Bh7+ $1 $18 Kh8 33. Ra7 (33. Nxf7+ Rxf7 34. Qxf7 Bxa4 $11)) 32... Bc6 {[#] Black cannot hold the game after this.} (32... Ng6 $16 33. Nxf7 (33. Bxg6 Qxg6 34. Raa1 Bc8 $14) 33... Qxf4 34. gxf4 Rxf7) 33. f3 (33. Bh7+ $1 $18 Kh8 34. f3 (34. Be4 Bxe4 35. Nxe4 Nc6 $16)) 33... Rd4 (33... Ng6 $16 34. Bxg6 fxg6) 34. Bh7+ Kh8 $2 (34... Qxh7 35. Nxh7 Rxf4) 35. Qxf7 (35. Nxf7+ $2 Rxf7 36. Qxh6 (36. Qxf7 $2 {too greedy.} Qh3 $19) 36... gxh6 $19) 35... Rxf7 (35... g6 $142 36. Qxe7 Rd2 37. Qxf8+ (37. Nf7+ $2 Rxf7 38. Qh4 Qxh4 $19) 37... Qxf8) 36. Nxf7+ {White is clearly winning.} Kxh7 37. Nxh6 Kxh6 38. Rxe7 {And now Re6+ would win.} Bxf3 39. e6 {Weighted Error Value: White=0.19 (very precise) /Black=0.44} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.5"]
[White "Sengupta, Deep"]
[Black "Aravindh, Chithambaram VR."]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2528"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,1,12,0,4,0,0,0,0,-2,0,-6,5,0,25,15,8,0,0,0,0,0,0,0,7,9,9,12,22,3,2,0,0,0,0,0,5,0,0,0,0,0,3,2,2,2,2,2,2,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. O-O {B40: Sicilian: 2...e6, Unusual lines.} Be7 7. c3 O-O 8. Na3 $1 {The main line 8.Na3 scores better than 8.Rd1.} Re8 {[%cal Bf8e8,Be8e5,Be5a5][%mdl 32]} 9. Nc4 {[#]} Nxe4 $146 ({Predecessor:} 9... Bf8 10. d3 d5 11. exd5 Nxd5 12. Bg5 f6 13. Bd2 Be6 14. a4 Bf7 15. Rfd1 Qd7 {1-0 (44) Xiong,J (2709)-Praggnanandhaa,R (2608) Chess.com INT 2020}) 10. Ncxe5 (10. Qxe4 d5) 10... Nxe5 11. Qxe4 Bf6 12. Nxe5 Rxe5 {The position is equal.} 13. Qa4 d6 14. d4 Bd7 15. Qa3 cxd4 16. cxd4 Ra5 17. Qxd6 Bb5 18. Qxd8+ Rxd8 19. Rd1 {With the idea Bd2.} Rxd4 20. Rxd4 Bxd4 21. Bxb7 Bc4 22. a4 Bb5 23. Bf4 Rxa4 24. Rd1 Bb6 25. Be3 g6 26. Bxb6 axb6 27. Rd6 Rb4 28. Rxb6 {[#] Bc6 is the strong threat.} Rxb2 {Strongly threatening ...Rb1+.} 29. Be4 {[%cal Oe4d3] To avoid Rb1+. Hoping for Bd3!} Re2 30. Rxb5 {Black must now prevent Bd5.} Re1+ 31. Kg2 {A balanced but interesting game.  Weighted Error Value: White=0.02 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.6"]
[White "Karthikeyan, Murali"]
[Black "Aditya Mittal"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2622"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,117,6,1,6,30,23,23,36,31,36,36,25,35,0,41,40,36,-29,-53,-58,0,0,43,0,2,9,9,6,12,9,54,47,59,50,74,75,90,81,74,46,27,7,10,6,4,2,17,0,0,0,0,0,0,0,16,23,258,275,270,267,275,279,267,272,562,550,657,632,1095,1092,1055,1045,919,851,5497,2702,29976,9886,2237,958,29974,29977,29976,29973,29973,29974,29973,29974,2098,1747,5935,1568,29990,29989,29991,29988,29988,0,29991,29992,29992,29993,29993,29994,29994,29995,29995,29996]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} cxd4 7. O-O {B31: Sicilian: 2...Nc6 3 Bb5 g6.} a6 8. Bxc6 dxc6 9. a5 {White has an edge.} Qc7 10. cxd4 {[%cal Bc3d4,Bd4d5][%mdl 32]} Bg4 11. Be3 Rd8 {[#]} 12. d5 $146 {And now Bb6 would win.} ({Predecessor:} 12. Ra4 Nf6 13. h3 Bd7 14. Nc3 O-O 15. Qc1 Qc8 16. Kh2 Ne8 17. e5 Nc7 18. Bh6 {0-1 (59) Isgandarov,S (2113)-Abbasov,A (2190) Baku 2019}) 12... Qd7 (12... Bxb2 $2 13. Ra2 Bxf3 14. gxf3 $18) (12... Rc8 $11 {might be stronger.}) 13. Bb6 $14 Rc8 14. h3 (14. dxc6 $14 Qxc6 15. Ra3 (15. Nc3 Nf6 $11)) 14... Bxf3 $11 15. Qxf3 cxd5 (15... Bxb2 $15 16. Ra2 Be5) 16. exd5 Qf5 (16... Bxb2 $11 17. Ra2 Bg7) 17. Qd1 (17. Qxf5 $14 gxf5 18. Nc3) 17... Nf6 18. Nc3 {White wants to play d6.} O-O 19. Re1 Rfe8 20. Ra4 Nd7 (20... Qd7 $11 {is superior.}) 21. g4 $14 Qf6 22. Bd4 Qd6 23. Ne4 $1 Qc7 24. Bxg7 {White is more active.} Kxg7 25. Qd4+ (25. Ra3 $5 {[%cal Ra3e3]}) 25... Kg8 26. Rd1 Qf4 27. Nc3 Qxd4 28. Rdxd4 Rc5 29. Rab4 Rb8 30. d6 exd6 31. Rxd6 Ne5 32. Ne4 Rxa5 33. f4 {aiming for Kg2.} Nf3+ $2 {[#] Black is on the road to losing.} (33... Ra1+ $11 {and Black stays safe.} 34. Kf2 a5 $1) 34. Kf2 $1 $18 Nh4 35. Kg3 g5 36. Nxg5 Ng6 37. Rd7 {[%csl LRb7,LRf7]} b5 $2 (37... Nf8 {keeps fighting.} 38. Rc7 (38. Rxf7 h6 $11) (38. Rdxb7 Rxb7 39. Rxb7 Rb5 $18) 38... Rd5 39. Nxf7 (39. Rcxb7 Rxb7 40. Rxb7 Rd7 $18) (39. Rbxb7 Rxb7 40. Rxb7 Rd3+ 41. Kf2 Rd7 $18) 39... Rd3+ 40. Kh4 Rd7) 38. Nxf7 {f5 is the strong threat.} Ra4 39. Nh6+ Kh8 40. Rxa4 bxa4 {[%mdl 4096] Endgame KRN-KRN} 41. g5 Nf8 42. Ra7 Rxb2 43. Rxa6 (43. f5 $142 Rb8 44. Rxa6) 43... Rb4 44. Ra7 (44. Ra8 $142 Kg7 45. f5 a3 46. Ra7+ Nd7 47. Rxd7+ Kf8 48. f6 Rb3+ 49. Kg4) 44... Rb3+ 45. Kg4 {Intending Ra8 and mate.} a3 46. Ra8 Kg7 47. h4 Rb4 48. Ra7+ Kh8 49. Rxa3 Rb8 50. Ra7 {Black must now prevent f5.} Ne6 51. h5 (51. f5 $142 Rb4+ 52. Kf3 Nd4+ 53. Ke3 Nxf5+ 54. Nxf5) 51... Rf8 52. f5 {[%cal Bf4f5,Bf5f6][%mdl 32]} Ng7 53. Nf7+ Kg8 54. Nh6+ Kh8 55. g6 {White mates.} hxg6 56. hxg6 Rb8 57. f6 {[%csl Ga7][%cal Rf6g7]} Rb4+ 58. Kf3 {[%csl Ga7][%cal Rf6g7]} Rb3+ 59. Ke2 {Weighted Error Value: White=0.18 (very precise) /Black=0.77} 1-0

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.7"]
[White "Mohammad Nubairshah Shaikh"]
[Black "Harsha Bharathakoti"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2436"]
[BlackElo "2499"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,26,28,14,22,11,17,-8,-10,-19,-14,-67,-61,-62,0,-37,-35,-19,-27,-33,0,0,0,0,16,37,57,0,68,41,73,91,88,50,88,81,154,159,145,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,278,270,270,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. Bg2 Bf5 5. Nh4 Bg4 6. h3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bh5 7. Nd2 e6 8. c4 c6 {[#]} 9. b3 $146 ({Predecessor:} 9. c5 Nd7 10. b4 a5 11. b5 cxb5 12. Qb3 b4 13. e4 Ngf6 14. O-O Be7 15. exd5 exd5 {1-0 (28) Tadic,B (2484)-Doshi,M (2379) Arandjelovac 2021}) 9... Bb4 10. c5 {[#]} (10. cxd5 $11 Bc3 11. Rb1 Nxd5 12. O-O) 10... Bc3 $1 $15 11. Rb1 {[#]} g5 $1 12. g4 (12. Nhf3 Bg6) 12... gxh4 13. gxh5 Nd7 14. e3 e5 15. O-O Ngf6 16. b4 Bxd2 ({Much less strong is} 16... exd4 17. exd4 a5 18. Re1+ Kf8 19. bxa5 $16) 17. Bxd2 Rg8 18. Kh1 (18. Kh2 $14) 18... Qe7 (18... Ne4 $1 $11) 19. b5 $14 Qe6 20. bxc6 bxc6 21. f4 Ne4 22. Be1 Ng3+ (22... exd4 $142 23. exd4 Ndf6) 23. Bxg3 $16 Rxg3 24. Rf3 (24. fxe5 $16 {And now Qe2 would win.} Rxh3+ 25. Kg1 Rxe3 26. Rf3 Rxf3 27. Qxf3) 24... Rxf3 $11 25. Qxf3 exd4 26. exd4 Rb8 27. Rxb8+ Nxb8 28. Qf2 {To avoid Qe1+} Qf6 29. Qe3+ Kd8 30. Bf3 Qf5 31. Kg2 Na6 32. a3 Nc7 {...Ne6 is the strong threat.} 33. Bg4 $1 Qc2+ 34. Kg1 Qb1+ 35. Kf2 Qb2+ 36. Kf1 Nb5 {[%csl LRa3,LRd4]} 37. Qe5 Qxd4 $2 {[%mdl 8192] [#]} (37... Qa1+ $11 {and Black stays safe.} 38. Kg2 Qb2+ 39. Kh1 Qc1+ 40. Kh2 Qd2+ 41. Kh1 Qc1+ 42. Kh2 Qd2+ 43. Kh1 Qc1+) 38. Qb8+ $1 $18 ({Worse is} 38. Qf5 Qc4+ 39. Kg2 (39. Kg1 Qxc5+ 40. Kg2 Qd6 $17) 39... Qe4+ 40. Qxe4 dxe4 $15) 38... Ke7 {[#]} 39. a4 $2 (39. Qb7+ $1 $18 Kf8 40. Qc8+ Kg7 41. h6+ Kxh6 42. Qxc6+ Kg7 43. Qxb5) 39... Qd3+ {The position is equal.} 40. Kf2 {White wants to mate with Qb7+.} Qc2+ 41. Kf1 {White threatens Qb7+ and mate.} Qc1+ 42. Kg2 {Threatening mate with Qb7+.} Qb2+ 43. Kf1 {Threatens to win with Qb7+. Dancing on a razor blade.} Qc1+ 44. Kg2 {Qb7+ would kill now.} Qc2+ {Weighted Error Value: White=0.16 (very precise) /Black=0.26 (precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.8"]
[White "Lalith Babu M R"]
[Black "Koustav Chatterjee"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2563"]
[BlackElo "2466"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,0,0,-33,-31,-80,-83,-101,-90,-139,-124,-125,-140,-123,-117,-149,-95,-95,-87,-80,0,0,-5,-11,0,0,0,-2,0,0,0,-50,-39,-70,-59,-60,-54,-102,-76,-104,-104,-124,-120,-598,-621,-563,-594,-591,-525,-548,-583,-607,-597]} 1. c4 Nf6 2. Nc3 e5 {[%cal Be7e5,Be5e4][%mdl 32]} 3. Nf3 Nc6 4. g3 Bb4 5. Qc2 O-O 6. Nd5 {A29: English Opening: Four Knights Variation with 4 g3.} Re8 7. Bg2 (7. e4 $15) 7... e4 $17 8. Ng1 {Black is better.} Bc5 {[#]} 9. Nh3 $146 (9. a3 $142) ({Predecessor:} 9. a3 Nd4 10. Qc3 Nxd5 11. cxd5 Bb6 12. e3 Nb5 13. Qc2 Nd6 14. Ne2 c6 15. Nc3 {1-0 (40) Luce,S (2340)-Gola,M (2375) Prague 1989}) 9... Nd4 10. Qc3 Nxd5 11. cxd5 d6 12. b4 {[#]} Nf3+ 13. Bxf3 Bxh3 (13... exf3 $6 14. Nf4 Bb6 15. Bb2 $11) 14. Bh5 Qg5 15. Bxf7+ $1 $11 Kxf7 16. bxc5 {[%cal Og3g4]} Qxd5 17. Bb2 Re5 {[%cal Oe4e3] Active counter play!} 18. Qe3 {cxd6 is the strong threat.} Re6 19. cxd6 {[%cal Og3g4]} ({Reject} 19. Qc3 e3 20. f3 (20. Qxg7+ $2 Ke8 $19) 20... Qxd2+ 21. Qxd2 exd2+ 22. Kxd2 dxc5 $17) 19... c5 20. d7 (20. Rg1 $11 Rg6 21. Rd1) 20... Rg6 21. a4 Rd8 $1 22. a5 Rxd7 23. Bc3 (23. Rg1 $15 {might be stronger.}) 23... h5 24. Rg1 Kg8 25. Ra4 Qb3 {[%cal Rb3b1] [#]} 26. Qxe4 {[%mdl 8192] This move loses the game for White.} (26. Ra1 $17) 26... Re6 $19 {Black is clearly winning.} 27. f3 Rxe4 28. Rxe4 b5 29. axb6 axb6 {[%cal Ba7b6,Bb6b5][%mdl 32] And now ...b5 would win.} 30. Kf2 b5 {Weighted Error Value: White=0.34/Black=0.11 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.9"]
[White "Adhiban, B.."]
[Black "Gusain, Himal"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2648"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,89,0,16,0,13,0,0,-3,0,0,3,9,15,0,0,0,2,-11,-6,-7,-5,-10,-12,-24,45,23,51,0,0,0,0,0,7,8,18,18,20,11,11,11,13,7,7,0,0,0,28,29,31,29,36,0,0,0,0,0,0,0,0,0,0,3,38,0,0,0,37,0,0,0]} 1. b3 d5 2. Bb2 Nf6 3. Nf3 e6 4. g3 Be7 5. c4 O-O 6. Bg2 b6 7. O-O Bb7 8. e3 c5 9. Nc3 dxc4 10. bxc4 Nc6 11. Qe2 Rc8 12. Ne1 {A14: English Opening: 1...e6 with b3 by White.} Qd7 13. f4 Rfd8 14. Rd1 Nb4 15. Bxb7 Qxb7 16. a3 Nc6 {[#]} 17. f5 $146 ({Predecessor:} 17. g4 a6 18. Ng2 b5 19. g5 Ne8 20. cxb5 axb5 21. Nxb5 c4 22. a4 Nb4 23. h4 {1-0 (45) Rakhmanov,A (2638)-Lopez Martinez,J (2567) Budva 2019}) 17... Qd7 18. fxe6 fxe6 19. Nf3 Qd3 20. Qxd3 Rxd3 21. Kf2 Ng4+ 22. Ke2 $1 Rdd8 ({Black should try} 22... Rcd8 $11) 23. Ne4 Bf6 {[#]} 24. Bxf6 (24. h3 $1 $14) 24... Nxf6 $11 25. Nfg5 Nxe4 26. Nxe4 Rf8 27. d3 Rxf1 28. Rxf1 {[%mdl 4096] Endgame KRN-KRN} h6 29. a4 Rf8 30. Rd1 Kf7 31. Nd2 Ke7 32. Nf3 Kd6 33. g4 Ne5 34. Nxe5 Kxe5 {KR-KR} 35. h4 Kd6 36. a5 bxa5 37. Ra1 Kc6 38. Rxa5 Kb6 39. Rb5+ Kc6 40. Rb1 g6 41. Ra1 Kb6 42. Rb1+ Kc6 43. Ra1 Kb6 44. Rb1+ Kc6 45. Ra1 {Weighted Error Value: White=0.08 (flawless) /Black=0.10 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.10"]
[White "Ratnakaran, K.."]
[Black "Gupta, Abhijeet"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2316"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,86,2,13,12,12,25,50,71,68,74,39,53,55,56,-45,19,29,17,0,47,35,39,0,0,-33,-3,-30,-22,-55,-57,-111,-54,-65,-60,-61,-41,-47,-48,-53,-57,-91,-106,-92,-56,-121,-130,-158,-145,-152,-100,-105,-104,-98,-100,-95,-89,-143,-136,-173,-172,-164,-187,-172,-173,-496,-502,-411,-251,-575,-561,-513,-513,-513,-513,-800,-791]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. a4 b4 {[#] C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 8. Bxf7+ $1 Kxf7 9. Qc4+ d5 {White is slightly better.} 10. Qxc5 Bb7 11. exd5 {[#]} (11. d3 {keeps more tension.} Qd6 12. Be3 d4 13. Qc4+ Ke8 14. Bg5) 11... Qxd5 $146 ({Predecessor:} 11... Nxd5 12. d3 h6 13. O-O Qd7 14. Nbd2 Rae8 15. Re1 Re7 16. b3 Rhe8 17. Bb2 Nf4 {1-0 (37) Rudzinska,M (1867)-Raczykowska,P (1847) Szczyrk 2017}) 12. Qxd5+ Nxd5 13. O-O (13. d3 $14) 13... e4 (13... Nf4 $1 $15) 14. Ng5+ $11 {[%cal Bf3g5,Bg5e6,Be6c5][%mdl 32]} Kg6 15. Ne6 {Inhibits Nd4.} Rae8 (15... Rab8 $11) 16. Nc5 $14 Bc8 17. c3 Rhf8 18. cxb4 Ndxb4 19. Ra3 Rf5 20. Rc3 Nd4 21. Kh1 (21. Rc4 $15 Ne2+ 22. Kh1) 21... Ree5 (21... a5 $17 {aiming for ...Ne2.} 22. Rc4 Na6 $1) 22. Nb3 $15 Nxb3 23. Rxb3 a5 24. Rg3+ Kf7 25. d4 exd3 26. Bd2 Re2 $36 {[%mdl 2048] Black has strong initiative.} 27. Kg1 Ba6 28. Bc3 (28. f4 $15) 28... g6 $17 29. Rh3 h5 30. g4 Rg5 (30... hxg4 $142 31. Rh7+ Kf8 32. Rxc7 Nd5) 31. Rf3+ Ke8 {Active counter play!} 32. h3 hxg4 33. Rg3 Rh5 34. Rxg4 (34. hxg4 $142 Rh7 35. Rg2) 34... Rxh3 {...Bb7 is the strong threat.} 35. Kg2 Rh5 {Strongly threatening ...Bc8.} 36. Rxg6 Bb7+ 37. Kg3 {[#]} Nd5 $1 {And now ...Ne7 would win.} 38. Rd1 $2 (38. Kg4 {is more resistant.} Rh7 39. Kg3) 38... Ne7 $19 39. Rf6 Re4 {( -> ...Rg5+)} 40. Rxd3 $2 (40. f3 {is a better chance.} Rg5+ 41. Kf2 Re2+ 42. Kf1) 40... Rg5+ {Black is clearly winning.} 41. Kf3 Ng8 42. Nd2 Nxf6 43. Bxf6 (43. Nxe4 $142 Bxe4+ 44. Ke3 Bxd3 45. Kxd3) 43... Ree5+ {Weighted Error Value: White=0.47/Black=0.16 (very precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.11"]
[White "Pranesh, M."]
[Black "Swapnil, S. Dhopade"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,94,29,29,50,49,54,39,44,28,30,27,27,31,30,26,72,65,82,8,26,0,0,-20,-12,-14,-5,-28,0,8,29,29,129,78,117,129,124,43,44,0,0,-22,-27,-28,-16,-30,-23,-36,-18,-98,-101,-156,-181,-181,-176,-174,-156,-158,-156,-177,-170,-206,-189,-215,-164,-308,-302,-654,-613,-590,-421,-405,-301,-1175,-1143,-1310,-1260,-1084,-781,-29982,-29983,-29992,-29970,-29994,-29995]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O Ne7 7. c3 Nc8 {B12: Caro-Kann: Advance Variation.} 8. a4 a5 {[#]} 9. Be3 $146 ({Predecessor:} 9. Na3 Ncb6 10. Bg5 Be7 11. Bxe7 Qxe7 12. Nc2 O-O 13. Ne3 Bg6 14. Nd2 f6 15. exf6 gxf6 {0-1 (41) Bernadskiy,V (2539)-Petrosian,T (2589) Yerevan 2016}) 9... Be7 {White is slightly better.} 10. Nbd2 O-O 11. Ne1 f6 12. f4 fxe5 13. fxe5 Qb6 (13... Bg5 $11 14. Bxg5 Qxg5) 14. Nd3 $16 c5 15. b3 {To avoid c4} ({White should try} 15. dxc5 $16 Qc7 16. Rxf5 $1 Rxf5 17. Bg4 Nxc5 18. Bxf5 exf5 19. Nf3) 15... Na7 $11 16. Nf3 Nc6 17. Kh1 cxd4 18. cxd4 Rac8 19. Rc1 Nb4 20. Nxb4 Bxb4 21. Bb5 Nb8 (21... Qd8 $11) 22. Nh4 (22. Rxc8 $142 Rxc8 23. Nh4) 22... Be4 23. Rxc8 Rxc8 24. Qg4 (24. Qh5 $1 $16 g6 25. Qg4) 24... Rf8 $14 {Prevents Be8.} 25. Rc1 (25. Rf6 $1 $14 {is superior.}) 25... Kh8 $11 26. h3 Ba3 27. Ra1 Be7 28. Nf3 Bf5 29. Qh5 Nc6 {[%cal Bb8c6,Bc6e5,Be5f7][%mdl 32]} 30. Nd2 (30. Rf1 $11) 30... Nxe5 $17 {Black converts the advantage convincingly.} 31. g4 {[#]} ({White should play} 31. Qe2 Nc6 32. Nf3) 31... g6 $1 {[%cal Bg7g6,Bg6g5][%mdl 32]} 32. Qh6 Nf7 33. Qf4 {[#]} g5 $1 $36 {[%mdl 2048] Black is on the roll.} 34. Qh2 {[#]} (34. Qg3 Bg6) 34... Bg6 35. Rf1 {To avoid Bf6} Kg7 36. Nf3 Be4 {Strongly threatening ...Nd6.} 37. Kg1 h6 38. Ne5 (38. Nd2 $142) 38... Bd6 $19 {...Nxe5 is the strong threat.} 39. Rxf7+ (39. Qe2 Nxe5 40. Rxf8 Nxg4 41. Qxg4 Bxf8 42. h4) 39... Rxf7 {[%mdl 64] Pin} 40. h4 Qc7 41. hxg5 {[%cal Og5g6]} Bxe5 42. dxe5 ({Don't go for} 42. gxh6+ $2 Kh7 43. dxe5 d4 $19) (42. Qxe5+ Qxe5 43. gxh6+ Kf6 44. dxe5+ Kxe5 45. Bb6) 42... Qc3 {[%csl LRb3,LRe3]} 43. gxh6+ Kh7 44. Qd2 Qxb3 {[%cal Od5d4] ( -> ...d4!)} 45. Qc1 d4 {Black mates.} 46. Be8 Re7 47. Bf2 Qh3 {Weighted Error Value: White=0.54/Black=0.27 (precise)} 0-1

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.12"]
[White "Aronyak Ghosh"]
[Black "Shyaamnikhil P"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2482"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,76,13,24,9,17,15,14,16,12,18,16,16,16,0,0,0,9,5,5,4,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 c5 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 Nc6 6. Ndb5 d5 7. Bf4 e5 8. cxd5 exf4 9. dxc6 bxc6 10. Qxd8+ Kxd8 11. Rd1+ Bd7 12. Nd6 Bxd6 13. Rxd6 Rb8 14. Rd2 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} Re8 {The position is equal.} 15. g3 f3 16. Kd1 fxe2+ 17. Bxe2 Kc7 18. Kc1 Re5 {[#]} 19. Bf3 $146 ({Predecessor:} 19. Rhd1 Bf5 20. Rd4 Rbe8 21. R1d2 h5 22. h4 Rc5 23. Rc4 Rxc4 24. Bxc4 Re1+ 25. Rd1 Re7 26. Rd2 Re1+ 27. Rd1 Re7 28. Rd2 Re1+ 29. Rd1 Re7 30. Rd2 Re1+ {½-½ (30) Andersson,U (2582)-Tregubov,P (2642) Barcelona 2009}) 19... Rbe8 20. b3 Re1+ 21. Rxe1 Rxe1+ 22. Kb2 g5 23. Re2 Rf1 24. Ne4 Nxe4 25. Bxe4 $11 {[%mdl 4096] Endgame KRB-KRB} f5 26. Bd3 Rh1 27. f4 gxf4 28. gxf4 h5 29. Rf2 h4 30. Kc3 c5 31. Rg2 a5 32. Rf2 Kd6 33. Rd2 {[#] Be4+ is the strong threat.} Kc7 34. Rf2 Be6 35. Rd2 Rc1+ 36. Rc2 Rh1 37. Rd2 Rc1+ 38. Rc2 Rh1 {An uneventful encounter.  Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.13"]
[White "Ravi, Teja S."]
[Black "Sriram, Jha"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2469"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,38,0,5,13,14,0,-3,-12,0,0,0,0,0,0,0,-3,0,0,0,-25,-17,-31,-6,-41,0,-39,0,-30,0]} 1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 d6 6. O-O Bf5 {The modern move.} 7. d3 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Qd7 8. Nd5 Nf6 9. Nh4 {The position is equal.} Bg4 10. f3 {[%cal Bf2f3,Bf3f4,Bf4f5][%mdl 32]} Be6 11. Nf4 d5 12. Nxe6 Qxe6 13. f4 {[#]} O-O $146 ({Predecessor:} 13... dxc4 14. f5 Qe5 15. dxc4 O-O 16. fxg6 hxg6 17. e3 Bh6 18. Kh1 Rad8 19. Qb3 Rd7 20. Bf3 Qe6 21. Bg2 Rfd8 22. Qc2 Nb4 23. Qe2 Nd3 {0-1 (23) Fedorowicz,J (2439)-Meier,G (2610) Greensboro 2013}) 14. f5 Qd7 15. cxd5 Nxd5 16. Kh1 Kh8 17. Kg1 Kg8 18. Kh1 Kh8 19. Kg1 Kg8 {An uneventful encounter.  Weighted Error Value: White=0.06 (flawless) /Black=0.10 (very precise)} 1/2-1/2

[Event "MPL National Senior Chess-ch 2022"]
[Site "Kanpur"]
[Date "2022.03.03"]
[Round "11.14"]
[White "Shahil Dey"]
[Black "Krishna, C R G"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2400"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.25"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,61,9,17,9,14,10,17,-109,41,49,81,62,62,64,108,101,154,160,162,162,157,150,156,147,225,205,318,333,295,200,342,345,330,329,339,335,258,266,260,250,516,507,537,497,406,316,1404,1316]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. a3 a5 9. b3 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines.} Be7 10. h4 Qc7 {[#]} 11. Bd3 $146 (11. Be3 $11 {remains equal.}) ({Predecessor:} 11. Be3 c4 12. a4 Nb6 13. Nd2 Bd7 14. Ngf3 Na7 15. Kf2 Qc6 16. Be2 cxb3 17. Qxb3 Nxa4 {1-0 (34) Kadric,D (2584)-Bin Suhayl,I (2177) Cattolica 2021}) 11... b6 (11... cxd4 $17 {[%cal Rc6e5] aiming for ...Ncxe5!} 12. Ne2 dxc3) 12. Ne2 $14 Ba6 13. Bxa6 Rxa6 14. f5 Nf8 {White now steadily converts the win.} (14... exf5 $14 15. Nf4 b5) 15. Nf4 $16 cxd4 (15... Ra7 $142) 16. cxd4 Qd7 17. Qd3 Ra8 18. Nh5 Rg8 19. Ng3 {White is more active.} f6 (19... h6 $16 20. O-O Rc8) 20. O-O $18 g6 (20... Kd8 {was necessary.} 21. h5 Kc8) 21. exf6 Bxf6 {[%cal Re6f5]} 22. Bg5 Bxg5 (22... gxf5 $142 23. Nh5 Bxg5 24. hxg5 Kf7) 23. fxe6 Nxe6 {[#] Hoping for ...Bf6.} 24. Nxg5 Nxg5 25. hxg5 Qg4 26. Ne2 Rf8 {To avoid Nf4} 27. Qb5 {[%csl LRb6,LRc6,LRd5] Chess con chili.} Rxf1+ $2 (27... Rc8 28. Rxf8+ Kxf8) 28. Rxf1 Qd7 29. Nc3 Rd8 30. Qxb6 {[#] Strongly threatening Nb5.} Ne7 $2 (30... Rb8 31. Qc5 Ne7 32. Qxa5 Rc8) 31. Qf6 {Weighted Error Value: White=0.22 (precise) /Black=0.56} 1-0

