[Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.1"] [White "Indjic, Aleksandar"] [Black "Petrosyan, Manuel"] [Result "1/2-1/2"] [ECO "D31"] [WhiteElo "2607"] [BlackElo "2625"] [Annotator "TA"] [PlyCount "116"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,116,11,15,5,9,0,8,5,0,0,0,-8,-7,-8,2,11,7,2,25,8,21,22,20,0,0,0,5,0, 0,0,0,0,0,0,6,0,0,0,0,0,7,7,8,11,11,11,10,8,14,5,8,8,15,7,14,14,14,13,14,14,15, 0,0,0,8,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29,28,39,0,0,0,0, 0,0,0,0,-8,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. h3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} (7. g4 { is interesting.} Be6 8. h4 Nd7 9. Bg3 Nb6 10. Bd3) 7... Nd7 8. Bd3 Bxd3 9. Qxd3 Ngf6 10. Nge2 O-O {[#]} 11. Ng3 $146 ({Predecessor:} 11. O-O Re8 12. f3 b5 13. a3 a5 14. e4 Nb6 15. e5 Nfd7 16. Bc1 b4 17. axb4 axb4 18. Rxa8 Qxa8 {1-0 (35) Mamedyarov,S (2800)-Topalov,V (2749) Paris 2017}) 11... g6 12. O-O Ne8 13. e4 dxe4 14. Ngxe4 Ndf6 15. Rfe1 Nxe4 16. Qxe4 Bg5 17. Be5 Nf6 18. Qf3 Nd5 19. Qg3 Bh4 20. Qg4 Be7 21. Re2 f6 22. Qe6+ Rf7 $1 23. Bg3 Nxc3 24. bxc3 Qd5 25. Rae1 Bf8 26. Qxd5 cxd5 27. Re8 Rxe8 28. Rxe8 $11 {[%mdl 4096] Endgame KRB-KRB} Rd7 $1 29. Kf1 Kf7 30. Rb8 Ba3 31. Ke2 Ke6 (31... h5 {seems wilder.} 32. Kd3 Be7 33. Rc8 Bd8 34. Bb8 a6) 32. Kd3 (32. Ra8 {is more complex.} a6 33. Rc8 h5 34. Kd3 Rh7 35. Rd8) 32... Bd6 33. Bxd6 Kxd6 {KR-KR} 34. a4 b6 35. g4 g5 36. c4 dxc4+ 37. Kxc4 Rc7+ 38. Kd3 Rc1 39. Ke4 Rc4 40. Kf5 Rxa4 41. Kxf6 Rxd4 42. Kxg5 Kc7 43. Re8 Rd8 44. Re1 b5 45. Kh6 $1 {[%CAl Rh6h7]} a5 46. Kxh7 b4 47. g5 { [#] Black must now prevent g6.} b3 48. g6 a4 49. Rb1 ({Avoid the trap} 49. g7 $2 b2 $19) 49... Kc6 {Threatens to win with ...Kc5.} 50. g7 Kb5 {[#] Strongly threatening ...Kb4.} 51. f4 {Hoping for f5.} Kb4 {aiming for ...a3.} 52. f5 a3 {...a2 is the strong threat.} 53. f6 {White threatens f7 and mate.} (53. Rd1 $5 Rxd1 54. g8=Q Rd7+ 55. Kh6 $16) 53... a2 {The position is equal.} 54. Rxb3+ Kxb3 55. f7 a1=Q {( -> ...Qb1+)} 56. g8=Q Qb1+ 57. Qg6 Rh8+ 58. Kxh8 Qxg6 { Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.2"] [White "Kovalenko, Igor"] [Black "Shevchenko, Kirill"] [Result "1/2-1/2"] [ECO "E71"] [WhiteElo "2643"] [BlackElo "2605"] [Annotator "TA"] [PlyCount "328"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,328,35,21,53,-13,-7,0,0,-16,10,0,52,49,78,0,0,-9,-14,-39,-18,-18,-18, -23,-20,-21,-31,-33,-20,-50,-12,-15,0,-18,-25,-67,0,0,0,0,0,8,8,-41,-33,-48, -43,-41,0,-41,27,-25,-7,-41,-41,-41,-41,-41,-41,-41,-41,-50,0,0,0,0,0,0,0,0,25, 0,25,25,47,25,102,97,99,72,77,86,113,91,85,10,26,19,24,26,48,10,60,63,126,130, 126,127,127,136,138,130,133,133,136,126,400,60,62,73,75,75,57,0,0,0,0,0,0,0,8, 0,0,0,8,0,0,0,0,0,0,0,0,0,-11,-256,-256,-870,-847,-814,-807,-29956,-29955, -29951,-4936,-4618,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-10,-400,-392,-360,0,0, 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,-130,-130,-130, -130,-130,-130,-130,0,-130,-130,-130,-130,-130,-130,-130,0,0,0,0,0,0,0,0,0,0,0, 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, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Nc6 {E71: King's Indian: 4 e4 d6 5 h3.} 7. Bd3 (7. d5 $14 Ne5 8. Be2 ) 7... e5 $11 8. d5 Nd4 9. Nge2 Nd7 (9... Nh5 {looks sharper.} 10. Qd2 c5 11. dxc6 bxc6 12. Rd1 Be6) 10. Bb1 {[%CAl Re2d4]} Nxe2 (10... c5 $11) 11. Qxe2 $14 f5 {[#]} 12. Bd2 $146 (12. exf5 $16 gxf5 13. Bc2) ({Predecessor:} 12. f3 Bh6 13. Bf2 Nf6 14. exf5 gxf5 15. g4 Kh8 16. Bh4 Qe8 17. Nb5 Qe7 18. Nd4 {0-1 (28) Foldi,I (2327)-Bogdan,D (2469) Hungary 2004}) 12... f4 $11 13. f3 Bf6 14. a3 a5 15. Bc2 Bh4+ 16. Kd1 c6 17. Kc1 Nc5 18. Rd1 a4 19. Kb1 Bd7 20. Ka2 Qb6 21. Be1 Bxe1 22. Qxe1 Rf6 (22... Qa6 $1 $15 23. Qf1 cxd5 24. Nxd5 Be6) 23. Rac1 Nb3 24. Bxb3 Qxb3+ 25. Kb1 c5 $1 ({Of course not} 25... Qxc4 $6 26. dxc6 Bxc6 27. Nd5 $16) 26. Qe2 (26. Nb5 $5 Bxb5 27. Rc3 Qxc4 28. Rxc4 Bxc4 29. Qh4 $14) 26... Qb6 27. h4 Rf7 28. Rg1 Raf8 29. Ka2 Rb8 (29... h6 $15) 30. Ka1 ({White should try} 30. g3) 30... Qd8 31. Rh1 h6 32. g3 fxg3 33. Rcg1 Kh7 34. Rxg3 Rf4 35. Qg2 Qf6 36. Ne2 Rg8 37. Nxf4 exf4 38. Rgh3 Bxh3 39. Qxh3 {[%mdl 4096] Endgame KQR-KQR} Qe7 40. Re1 Rf8 41. Ka2 Rf7 42. Rg1 Qd7 (42... b6 $11) 43. Qg2 $16 Rf6 44. Qe2 Qe8 45. Qc2 b5 46. Qc3 Rf7 47. Re1 (47. e5 $16) 47... bxc4 $11 48. e5 dxe5 49. Qxc4 Rc7 50. Qc3 Re7 (50... Rd7 $5 {[%CAl Rd7d5]}) 51. Qxc5 Qf7 (51... Rd7 $14) 52. Ka1 $16 Rc7 53. Qa5 Ra7 54. Qd2 Qf6 55. h5 gxh5 56. Qc2+ Qg6 57. Qc5 Rd7 { [%mdl 8192]} (57... Rg7 $16) 58. Rxe5 $2 (58. Rg1 $1 $18 {[%CAl Rg1g6]} Qe8 59. Qc2+ Kh8 60. Rg6 (60. Qxa4 Qd8 $16)) 58... Qd3 $14 59. Re1 $1 Qxd5 60. Qc2+ Qd3 {[#]} 61. Re7+ $1 Kh8 $11 62. Re8+ Kh7 63. Qxa4 Qd1+ (63... Rg7 {is interesting.} 64. Qc6 h4 65. Re6 Rg1+ 66. Ka2 Qb1+) 64. Qxd1 Rxd1+ {KR-KR} 65. Ka2 h4 66. Re2 Rf1 67. a4 Rxf3 68. a5 $1 {[%CAl Ra5a6]} Re3 69. Rf2 f3 70. a6 Re6 71. Rxf3 Rxa6+ 72. Kb1 $2 (72. Kb3 $11) 72... Kg6 $19 73. Rc3 $2 (73. b4) 73... Ra5 74. b4 Rh5 $1 75. Rc6+ Kf5 76. Rc5+ Kg4 77. Rc4+ Kf5 $2 ({Better is} 77... Kg3 $19 78. Rc3+ Kg2 79. Rc2+ Kf3 80. Rc3+ Ke4) 78. Rc5+ $11 Kg6 79. Rc6+ Kf7 80. Rc1 h3 81. Kc2 Kf6 82. Kd3 Kf5 83. b5 $1 Kg4 84. Kc4 $1 h2 85. Rh1 Kg3 86. b6 Rf5 (86... Rg5 {is interesting.} 87. b7 Rg8 88. Rd1 Rb8 89. Rd3+ Kf4) 87. Rb1 $2 {[%mdl 8192]} (87. b7 $11 {and White is okay.} Rf8 88. Rd1) 87... Rf7 $19 88. Kc5 {[#] If only White now had time for Rb3+....} Kg2 $2 (88... Rg7 $1 $19 89. Rd1 h5 90. Rd3+ Kg2 91. Rd2+ Kh3 92. Rd3+ Kg4) 89. Rb2+ $11 Kg1 90. Rb1+ Kg2 91. Rb2+ Rf2 92. Rxf2+ Kxf2 {KPP-KP} 93. b7 h1=Q (93... h5 $5 94. b8=Q $8 h1=Q 95. Qb2+ Kf1 $11) 94. b8=Q {KQ-KQ} Qh5+ 95. Kd4 Qg4+ 96. Kd5 Qg5+ 97. Ke4 Qg6+ 98. Kd4 Qg4+ (98... h5 $5 99. Qh2+ $8 Kf1 100. Qh3+ Ke2 101. Qe3+ Kf1 102. Qh3+ Kg1 103. Qe3+ Kh2 104. Qe2+ Kh1 105. Qf3+ Kh2 $11) 99. Kd5 h5 100. Qb2+ Kg3 101. Qe5+ Kg2 102. Qb2+ Kh3 103. Qc3+ Qg3 (103... Kg2 {is more complex.} 104. Qb2+) 104. Qc1 Qf3+ 105. Kc5 (105. Ke5 $11 {keeps the balance.}) 105... h4 $17 106. Qg1 Qg2 107. Qe3+ {[#]} Qg3 $1 {[%CAl Rg3e3]} 108. Qe2 Qg2 ( 108... Qc3+ $17 109. Kb5 Kg3) 109. Qe1 (109. Qe3+ $1 $11 Kh2 110. Qf4+ Qg3 111. Qd2+ Kh1 112. Qd5+ Qg2 113. Qd3) 109... Qg5+ 110. Kb6 Kh2 111. Qf2+ Kh1 112. Ka6 h3 (112... Qg6+ $17 113. Ka5 Qg5+ 114. Ka4 Qg4+ 115. Kb5 h3 116. Qf1+ Kh2 117. Qf2+ Qg2 118. Qf4+ Qg3 119. Qd2+ Kg1 120. Qd1+ Kg2 121. Qd2+ Kh1 122. Qc1+ Qg1 123. Qc6+ Kh2 124. Qc7+ Qg3 125. Qc2+ Kg1 126. Qd1+ Kf2 127. Qd2+ Kf3 128. Qd3+ Kf4 129. Qd6+ Kg4 130. Qd7+ Kh4 131. Qh7+ Kg5 132. Qg8+ Kf4 133. Qc4+ Kf5 134. Qf7+ Kg5 135. Qg8+ Kh4 136. Qh7+ Kg4 137. Qg6+ Kf3 138. Qc6+ Ke2 139. Qc2+ Kf1 140. Qd1+ Kg2 141. Qd2+ Qf2 142. Qg5+ Kh2 143. Qe5+ Qg3 144. Qb2+ Kg1 145. Qc1+ Kh2 146. Qb2+ Kh1 147. Qc1+ Kg2 148. Qd2+) 113. Qf1+ {The position is equal.} Kh2 114. Qf2+ (114. Qf3 {keeps more tension.} Qg2 115. Qf4+ Kh1 116. Qc1+ Qg1 117. Qc6+) 114... Qg2 115. Qf4+ Qg3 (115... Kg1 {seems wilder.} 116. Qd4+ Qf2 117. Qg7+ Qg2 118. Qd4+) 116. Qd2+ Kg1 {Hoping for ...Qe5.} 117. Qd1+ Kg2 118. Qd2+ (118. Qe2+ {keeps more tension.} Kh1 119. Qe4+ Qg2 120. Qb1+ Qg1 121. Qe4+) 118... Qf2 (118... Kf1 {with more complications.} 119. Qc1+ Kf2 120. Qc2+ Ke1 121. Qc1+ Ke2) 119. Qg5+ $1 Kf1 120. Qc1+ $1 Qe1 (120... Ke2 {is interesting.} 121. Qb2+ Ke1 122. Qb4+ Ke2 123. Qe4+ Kd2) 121. Qf4+ Qf2 (121... Kg1 {is interesting.} 122. Qg5+ Kf1 123. Qf6+ Ke2 124. Qb2+ Kd3) 122. Qc1+ Kg2 123. Qg5+ Kh2 (123... Kf1 {is interesting.}) 124. Qe5+ Qg3 (124... Kg1 { is interesting.} 125. Qg5+ Kf1) 125. Qe2+ (125. Qe4 {looks sharper.} Qg2 126. Qf4+) 125... Kg1 {Threatens to win with ...Qg6+.} 126. Qd1+ Kg2 127. Qd2+ Kh1 ( 127... Kf1 {is more complex.} 128. Qc1+ Kf2 129. Qc2+ Ke1 130. Qc1+ Ke2) 128. Qd1+ Qg1 (128... Kg2 {feels hotter.}) 129. Qd5+ Qg2 (129... Kh2 {keeps more tension.} 130. Qe5+ Kh1 131. Qd5+) 130. Qd1+ Kh2 131. Qd6+ Kg1 {White must now prevent ...Qe2+.} (131... Kh1 $5 132. Qd1+ $8 Kh2 133. Qd6+ Kh1 134. Qd1+ $11) 132. Qc5+ Kf1 {And now ...Qe2+ would win.} (132... Kh1 $5 133. Qc1+ $8 Kh2 134. Qc7+ Kh1 135. Qc1+ Qg1 136. Qc6+ Kh2 137. Qd6+ Kg2 138. Qg6+ Kf2 139. Qf7+ Ke2 140. Qh5+ {[%mdl 64] Double Attack} Kd3 141. Qxh3+ Ke4 $11) 133. Qc1+ Ke2 134. Qc2+ Ke3 (134... Kf3 {keeps more tension.} 135. Qb3+ Kf4 136. Qb4+ Kg5 137. Qc5+ Kh6) 135. Qc3+ (135. Qc5+ {seems wilder.} Kf4 136. Qc1+ Kg4 137. Qc4+ Kg3 138. Qc3+) 135... Ke4 {aiming for ...Qe2+.} 136. Qc6+ Kf5 (136... Kd3 {seems wilder.} 137. Qb5+ Ke3 138. Qe5+ Kf3 139. Qf5+ Ke3) 137. Qd7+ (137. Qc5+ { feels hotter.} Kf4 138. Qc1+ Kg4 139. Qc4+ Kg3 140. Qc3+) 137... Kf6 138. Qd6+ (138. Qd4+ {with more complications.} Kg6 139. Qd3+ Kg7 140. Qc3+ Kg8 141. Qc8+ ) 138... Kf7 (138... Kg7 {seems wilder.} 139. Qd4+ Kh6 140. Qf4+ Kg6 141. Qd6+ Kg5) 139. Qc7+ (139. Qd1 {looks sharper.} h2 140. Qd7+ Kg6 141. Qd6+ Kh5 142. Qe5+) 139... Kg6 140. Qd6+ Kh7 {( -> ...Qg6)} (140... Kf5 $5 141. Qf8+ $8 Kg6 142. Qg8+ Kh6 143. Qh8+ Kg6 144. Qg8+ Kh5 145. Qh8+ Kg4 146. Qg8+ Kf5 147. Qf7+ Kg5 148. Qg7+ Kh5 149. Qh8+ Kg4 150. Qg7+ Kf5 151. Qf7+ Kg5 152. Qg7+ Kh5 153. Qh8+ $11) 141. Qc7+ (141. Ka5 {seems wilder.} Qa2+ 142. Kb4 h2 143. Qd7+ Kh6 144. Qh3+) 141... Qg7 142. Qh2 Qg2 143. Qc7+ Kh6 144. Qf4+ Qg5 (144... Kh5 { seems wilder.} 145. Qf5+ Kh4 146. Qf4+ Qg4 147. Qh6+ Qh5) 145. Qh2 Qg4 (145... Kg6 {feels hotter.} 146. Qxh3 Qd5 147. Qg3+ Kf6 148. Qh4+ Ke6) 146. Qd2+ Qg5 ( 146... Kh5 {with more complications.} 147. Qh2 Kh4 148. Qf2+ Qg3 149. Qf6+ Kh5) 147. Qh2 Qf6+ (147... Qg2 {keeps more tension.} 148. Qf4+) 148. Ka7 Qe7+ ( 148... Qa1+ {is interesting.} 149. Kb7 Qb1+ 150. Kc6 Qe4+ 151. Kd6 Qd3+) 149. Kb8 Qe8+ (149... Qf8+ {keeps more tension.} 150. Kb7 Kg7 151. Qxh3 Qb4+ 152. Kc8 Qc5+) 150. Kb7 Qe4+ (150... Kg6 {with more complications.} 151. Qxh3 Qe4+ 152. Kc7 Qf4+ 153. Kc6 Qe4+) 151. Ka6 Qd3+ (151... Kg5 {seems wilder.} 152. Kb6 Qe6+ 153. Kc5 Qe3+ 154. Kb5 Kg4) 152. Kb7 Qf3+ 153. Ka6 Qf1+ 154. Ka7 Qf7+ ( 154... Kh5 {keeps more tension.} 155. Qe5+ Kg4 156. Qg7+ Kf3 157. Qb7+ Ke2) 155. Kb8 Qb3+ (155... Qf1 {looks sharper.} 156. Qd2+ Kg6 157. Kc8 Kh5 158. Qd5+ Kh6) 156. Ka7 Qe3+ 157. Ka6 Kg5 {...Qd3+ is the strong threat.} (157... Qd3+ { feels hotter.}) 158. Kb7 Kh4 {Strongly threatening ...Qg3.} (158... Qe4+ { is more complex.} 159. Kb6 Qe6+ 160. Kc5 Qe3+ 161. Kd5 Kg4) 159. Qb2 Qe7+ 160. Kc6 Qe6+ 161. Kc5 Qf5+ 162. Kb6 h2 163. Qxh2+ Qh3 164. Qxh3+ Kxh3 {Both players deserved the win here. Weighted Error Value: White=0.24/Black=0.22} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.3"] [White "Bjerre, Jonas Buhl"] [Black "Ter-Sahakyan, Samvel"] [Result "1/2-1/2"] [ECO "B34"] [WhiteElo "2542"] [BlackElo "2644"] [Annotator "TA"] [PlyCount "60"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,60,0,15,17,15,23,27,11,16,14,28,48,22,19,13,18,18,0,12,0,0,0,0,0,1, -12,-15,-16,-15,-12,0,0,0,0,0,0,0,0,3,0,41,33,39,43,37,50,132,43,43,37,33]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nde2 Bb4 7. a3 {B33: Sicilian: Pelikan and Sveshnikov Variations.} Ba5 8. b4 Bb6 {[#]} 9. Qd6 $146 { White has an edge.} ({Predecessor:} 9. h3 h6 10. g3 a5 11. b5 Nd4 12. Bg2 O-O 13. Qd3 d5 14. O-O dxe4 15. Nxe4 Nxe4 16. Bxe4 Bxh3 {0-1 (35) Chukavin,K (2307) -Manu David,S (2252) Chess.com INT 2019}) 9... Bc7 10. Qd3 d6 11. Bg5 h6 12. Bxf6 Qxf6 13. Nd5 Qd8 14. Nec3 Bb8 15. Qg3 O-O 16. Bc4 a6 17. O-O Ba7 18. Rad1 Be6 19. Ne2 Rc8 20. Qd3 Kh8 21. c3 Qd7 22. Bb3 f5 23. exf5 Bxf5 24. Qd2 Bg6 25. Ng3 Ne7 26. Kh1 Nxd5 27. Bxd5 Rf4 28. f3 Qe7 {[#]} (28... Rd8 $14) 29. h3 ({ White should try} 29. Be4 $1 $16 {[%CAl Re4g6]} Bxe4 30. Nxe4) 29... Rd8 $14 30. Kh2 b5 {Weighted Error Value: White=0.05/Black=0.08} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.4"] [White "Aleksandrov, Aleksej"] [Black "Nihal Sarin"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2529"] [BlackElo "2620"] [Annotator "TA"] [PlyCount "39"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,39,27,8,15,20,24,21,27,25,19,14,22,6,19,20,29,23,28,28,23,21,22,8,10, 14,6,17,16,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 h6 {D35: Queen's Gambit Declined: Exchange Variation.} 7. Bh4 c6 $1 {7...c6 scores better than 7...Be7.} 8. e3 Be7 9. Qc2 Nh5 10. Bxe7 Qxe7 11. h3 {[#]} a5 $146 ({Predecessor:} 11... g6 12. g4 Nhf6 13. O-O-O h5 14. Bd3 hxg4 15. hxg4 Rxh1 16. Rxh1 Nxg4 17. Bxg6 Nf8 {1/2-1/2 (32) Pepene,G (2492)-Szczepanski,Z (2476) ICCF email 2017}) 12. Be2 Nhf6 13. O-O O-O 14. Bd3 Re8 15. Nd2 b6 { The position is equal.} 16. e4 dxe4 17. Ndxe4 Nxe4 18. Bxe4 Bb7 19. d5 cxd5 20. Bxd5 {A rather calm draw. Weighted Error Value: White=0.06/Black=0.03} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.5"] [White "Iskandarov, Misratdin"] [Black "Bernadskiy, Vitaliy"] [Result "1/2-1/2"] [ECO "C10"] [WhiteElo "2535"] [BlackElo "2599"] [Annotator "TA"] [PlyCount "75"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,75,22,32,43,49,47,54,47,59,54,68,72,56,50,53,57,67,66,66,62,82,46,50, 32,48,11,16,8,9,0,0,0,27,0,0,0,10,0,0,0,0,0,0,0,0,0,0,-105,-101,-110,-110,-97, 0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be3 Be7 8. Bd3 O-O 9. Qe2 b6 10. O-O-O {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} Bb7 11. Kb1 Nd5 12. h4 {White is slightly better.} Nxe3 13. fxe3 {[#]} Qd6 $146 ({Predecessor:} 13... h6 14. g4 Bxf3 15. Qxf3 Bxh4 16. e4 Bg5 17. e5 Qe7 18. d5 exd5 19. Qxd5 Rad8 {1-0 (41) Frolyanov,D (2556)-Geranichev,M (1994) Lipetsk 2020}) 14. Rdf1 f5 15. e4 fxe4 16. Bxe4 Bxe4 17. Qxe4 Rae8 18. Re1 Bf6 19. Ng5 {[%csl Gg5][%CAl Re4h7]} g6 $1 20. Nxe6 Bxd4 $1 21. Qg4 (21. Qxd4 $5 {[%CAl Rd4g7]} Rxe6 22. Qc4 $14) 21... Bf2 {And now ...Rf5 would win.} 22. Re4 Rf5 23. Ng5 Rxe4 24. Qxe4 Bc5 25. Re1 Qd5 $40 {[%mdl 128] Black mounts an attack.} 26. Qg4 Bf8 27. Rd1 Rf4 28. Qe2 Rf2 {[%mdl 64] [#] Double Attack} 29. Qe1 Qf5 30. Qc3 {[%CAl Rc3c4] aiming for Qc4+.} Qd5 {[%CAl Rd5d1]} 31. Qe1 Qf5 32. Ne4 (32. Qc3 $1 $11 {remains equal.} Qd5 33. Qe1) 32... Rxg2 $17 33. Qe3 Be7 34. Qb3+ {[#]} Kg7 (34... Kf8 $1 $17 35. Qe3 c5) 35. Qc3+ $11 {The position is equal.} Kh6 36. Qe3+ Kg7 37. Qc3+ Kh6 38. Qe3+ {Weighted Error Value: White=0.13/Black=0.07} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.6"] [White "Ivic, Velimir"] [Black "Kourkoulos-Arditis, Stamatis"] [Result "0-1"] [ECO "C78"] [WhiteElo "2581"] [BlackElo "2485"] [Annotator "TA"] [PlyCount "103"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,103,40,34,48,49,56,48,40,41,36,34,34,41,38,38,34,34,41,34,44,39,41, 38,41,42,45,48,51,47,52,48,48,51,47,52,47,47,47,47,59,56,57,41,49,52,45,14,16, 9,22,0,138,131,191,173,366,378,349,304,475,0,0,0,107,107,110,110,98,-247,-243, -239,-214,-218,-226,-800,-791,-785,-783,-755,-645,-801,-801,-809,-793,-710, -646,-29975,-29978,-29978,-29979,-29979,-29980,-29980]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bc2 d5 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 8. a4 {[%CAl Ba2a4,Ba4b5][%mdl 32]} dxe4 9. axb5 $1 exf3 {White is slightly better.} 10. Qxf3 {[%mdl 64] [#] Pin} e4 11. Bxe4 Ne5 12. Qe2 O-O 13. d4 Bg4 14. Qc2 Nxe4 15. Qxe4 Nf3+ 16. gxf3 Bh3 {aiming for ...Re8.} 17. dxc5 {Hoping for Re1.} Bxf1 18. Kxf1 {Threatens to win with Nd2.} Qd1+ { [%mdl 64] Double Attack} 19. Qe1 Qxf3 {White must now prevent ...Rad8.} 20. Be3 $1 axb5 21. Rxa8 Rxa8 22. Nd2 Qh1+ 23. Ke2 Qxh2 24. Nf3 Qh3 25. Qd1 Qe6 26. Qd3 c6 27. Qd6 $40 {[%mdl 128] Black needs to defend precisely.} Qc4+ $1 28. Kd2 b4 29. Bd4 Qb3 {[#]} 30. Qxc6 $146 {[%CAl Rc6a8]} ({Predecessor:} 30. Ke3 Qxb2 31. cxb4 Qc1+ 32. Ke2 Qc4+ 33. Ke3 Qc1+ 34. Ke2 Re8+ 35. Ne5 Qc2+ 36. Kf1 Qc1+ 37. Kg2 Qg5+ 38. Kf1 Qc1+ 39. Kg2 Qg5+ 40. Kf1 {1/2-1/2 (40) Chen,Q (2425)-Xu,Y (2536) Xingtai 2018}) 30... Qxb2+ 31. Kd3 {[%CAl Rc6a8]} Qa3 (31... Rd8 $11) 32. Qd5 $16 b3 (32... Qa6+ $16 33. Kc2 Qa4+ 34. Qb3 bxc3) 33. Ng5 Qa6+ $2 {[#]} (33... Rf8 34. Qf5 Qa6+ 35. c4 Qg6 36. Qxg6 fxg6) 34. c4 $1 $18 Qg6+ 35. Ne4 { [%CAl Rd5a8]} Re8 (35... Rc8 $142 36. Qd7 Qe6 37. Qxe6 fxe6) 36. f3 $2 (36. c6 $18) 36... Qg2 $11 37. Nd2 Qe2+ ({But not} 37... b2 $6 38. Bxb2 Qg6+ 39. Kc3 $16) (37... Qg6+ $1 $11 38. Ne4 Qg2) 38. Kc3 $16 Qe1 {( -> ...Qc1+)} 39. Qg5 { [%csl Gd4][%CAl Rg5g7]} f6 40. Bxf6 {[%mdl 8192]} (40. Qg1 $16 {stays on course.}) 40... Qa1+ $19 41. Kxb3 {[%csl Gf6][%CAl Rg5g7]} Rb8+ ({Don't play} 41... Qxf6 42. Qxf6 gxf6 43. Ne4) 42. Kc2 {[%csl Gf6][%CAl Rg5g7]} Qxf6 43. Qxf6 (43. Qd5+ Kh8 44. Qd6 Qb2+ 45. Kd1) 43... gxf6 {[%mdl 4096] Endgame KR-KN} 44. Kd3 Kf7 45. Ne4 Ke6 46. Ke3 Rc8 47. f4 h6 48. Kd4 Rd8+ 49. Nd6 f5 {Black mates.} 50. Ke3 Rxd6 51. cxd6 Kxd6 52. Kd4 {Quite a comeback for Black. Weighted Error Value: White=0.63/Black=0.18} 0-1 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.7"] [White "Postny, Evgeny"] [Black "Lazov, Toni"] [Result "1/2-1/2"] [ECO "E73"] [WhiteElo "2583"] [BlackElo "2412"] [Annotator "TA"] [PlyCount "81"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,81,93,73,82,61,78,52,92,64,75,31,37,37,49,49,44,45,45,37,41,46,45,35, 65,69,97,95,111,49,117,116,100,73,77,0,31,0,0,0,0,0,0,0,23,0,0,0,0,-20,-18,-43, -36,-39,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 Na6 7. Nf3 e5 8. O-O c6 9. d5 Ng4 10. Bg5 f6 11. Bh4 c5 12. Ne1 Nh6 { E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 13. Nc2 Qe8 {[#]} 14. Rb1 $146 ({Predecessor:} 14. Nb5 Qd7 15. a3 f5 16. exf5 gxf5 17. f4 e4 18. Rb1 Nc7 19. Be1 Ne8 20. b4 {1-0 (41) Gordon,S (2504)-Macklin,P (2341) Daventry 2020}) 14... Nf7 {White is slightly better.} 15. Nb5 f5 16. f3 f4 17. b4 b6 18. bxc5 {Black must now prevent c6.} bxc5 19. Bf2 h5 20. Na1 g5 21. Nb3 Qd8 22. Be1 Nh6 23. Na5 Rf7 24. Nc6 Qf6 25. Ba5 (25. Bf2 $16) 25... Rd7 (25... Bf8 $1 $14) 26. Rb3 Bf8 27. Ra3 Rg7 28. Nd8 g4 29. Ne6 (29. Kh1 { is interesting.} Qg6 30. Ne6 Bxe6 31. dxe6 Qxe6 32. Qd5) 29... Bxe6 30. dxe6 Qxe6 31. Kh1 gxf3 32. gxf3 Kh8 33. Rg1 Rxg1+ 34. Qxg1 {Strongly threatening Be1.} Be7 35. Bd2 {[#]} Rg8 $1 36. Qf1 (36. Qf2 Nb8) 36... Nb8 37. Rxa7 Nf7 38. Nc7 {The position is equal.} Qd7 39. Nb5 Qe6 40. Nc7 Qd7 {[#] Hoping for ... Nc6.} 41. Nb5 {Weighted Error Value: White=0.16/Black=0.09} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.8"] [White "Pranav Vijay"] [Black "Asadli, Vugar"] [Result "1/2-1/2"] [ECO "B12"] [WhiteElo "2265"] [BlackElo "2572"] [Annotator "TA"] [PlyCount "77"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,77,28,0,4,3,-14,-19,-17,-18,-25,-28,-32,-28,0,-27,-27,-35,-29,-25, -26,-79,0,0,0,-6,0,-13,0,-2,-4,-3,-8,-22,0,-15,-21,-9,-12,-17,-12,-29,-25,-39, -18,-40,-40,-33,-25,-30,0,0,0,0,0,-10,0,0,0,0,0,-15,0,-59,-27,-22,0,-52]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O c5 $1 {[%mdl 4] 6...c5 is a critical line.} 7. c3 Nec6 {B12: Caro-Kann: Advance Variation.} 8. a3 Nd7 9. Re1 Be7 10. Be3 O-O 11. Nbd2 {[#]} a5 $146 ({Predecessor:} 11... Rc8 12. b4 cxd4 13. cxd4 Nb6 14. Rc1 a5 15. b5 Na7 16. Qb3 a4 17. Qb2 Rxc1 18. Rxc1 { 0-1 (33) Brenjo,S (2440)-Berkes,F (2666) Subotica 2019}) 12. Bb5 c4 13. Ba4 Rb8 14. Bc2 Bxc2 15. Qxc2 b5 16. h4 (16. Reb1 $11) 16... Rb6 ({Black should play} 16... Bxh4 $17 17. g3 Be7) 17. Ng5 $11 Bxg5 18. Bxg5 Qc7 19. Nf1 Rfb8 20. h5 h6 21. Bc1 Qd8 22. Qd1 Ne7 23. Ng3 b4 24. axb4 axb4 25. Qg4 {With the idea Bxh6.} Kh8 (25... Kf8 {looks sharper.} 26. Bd2 bxc3 27. Bxc3 Kg8 28. f4 Nf8) 26. Bd2 bxc3 27. Bxc3 Qe8 28. Re3 Ra8 29. Rf1 Raa6 30. Qh3 f5 {[#] And now ...f4 would win.} 31. exf6 Nxf6 32. Rfe1 {[%CAl Re3e6]} Qf7 33. R3e2 Kg8 34. Re5 Nd7 35. R5e3 Nf6 36. Rf3 Kh8 37. Qh4 (37. Ne2 $11) 37... Neg8 38. Rfe3 Ne7 39. Rf3 { Weighted Error Value: White=0.11/Black=0.09} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.9"] [White "Erigaisi Arjun"] [Black "Agmanov, Zhandos"] [Result "1/2-1/2"] [ECO "A22"] [WhiteElo "2567"] [BlackElo "2404"] [Annotator "Shahid"] [PlyCount "116"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 Bxc3 5. bxc3 O-O 6. e4 c6 7. Qb3 Na6 { A22: English Opening: 1...e5 2 Nc3 Nf6.} 8. Ne2 Re8 9. O-O d6 10. d3 Nc5 {[#]} 11. Qb1 $146 ({Predecessor:} 11. Qc2 Be6 12. f4 Rb8 13. h3 b5 14. cxb5 Rxb5 15. fxe5 dxe5 16. d4 exd4 17. Nxd4 {1/2-1/2 (43) Vorobyev,A (2094)-Dorer,M (2113) Chessfriend.com 2005}) 11... Rb8 12. a4 Be6 13. Be3 Ng4 14. Bxc5 dxc5 15. h3 Nh6 16. g4 Qh4 {Strongly threatening ...Bxg4!} 17. f3 Red8 18. Qc2 f6 ({ Black should play} 18... Rd7 $15) 19. Nc1 (19. f4 $11) 19... Nf7 20. Qf2 Qxf2+ 21. Kxf2 Nh8 22. Ke3 Ng6 23. Rf2 Nf4 24. Bf1 b5 (24... b6 $11) 25. axb5 $14 cxb5 26. cxb5 Rxb5 27. d4 cxd4+ 28. cxd4 Rb7 29. d5 Bd7 30. Rc2 Rdb8 31. Nd3 Nxd3 (31... Rb3 $14) 32. Bxd3 $16 ({But not} 32. Kxd3 $6 a5 $11) 32... Kf8 33. Rca2 Rb3 34. Rxa7 (34. Ra3 $16) (34. Ke2) 34... Bb5 $11 35. Rd1 Rc8 $1 $36 { [%CAl Rc8c3][%mdl 2048] Hoping for ...Rcc3. Black is more active.} 36. Ra2 $1 Rcc3 $1 {[%CAl Rb5d3]} 37. Rad2 Ke7 38. Ke2 Kd6 39. h4 g6 40. h5 gxh5 {aiming for ...Rxd3.} 41. gxh5 h6 42. Bxb5 Re3+ 43. Kf1 Rxf3+ 44. Kg2 {Rd3 is the strong threat.} Rg3+ 45. Kh2 Rh3+ {[%mdl 64] [#] Double Attack} 46. Kg1 Rhg3+ ( {Much weaker is} 46... Rxb5 $6 47. Rf2 $16) 47. Kf1 {Black must now prevent Rd3.} Rgf3+ ({Much worse is} 47... Rxb5 $6 48. Rf2 $16) 48. Rf2 Rxf2+ 49. Kxf2 Rxb5 {[%mdl 4096] Endgame KR-KR} 50. Rg1 {And now Rg6 would win.} f5 51. Rg6+ { [%mdl 64] Double Attack} Kd7 $2 {[%mdl 8192]} (51... Kc5 $11 52. d6 (52. Rxh6 fxe4 53. d6 Rb7 54. Ke3 Kd5) 52... Rb2+ 53. Ke3 Rb3+ 54. Ke2 fxe4 55. Rxh6 Kc6) 52. Rxh6 $18 fxe4 {[#]} (52... Rb2+ 53. Kf3 Rb3+ 54. Ke2 fxe4) 53. Rh8 $2 ({ White must play} 53. Ra6 $1 $18 Rxd5 54. h6 Rb5 55. Ra8 e3+ 56. Kxe3 Rb3+ 57. Ke4 Rb4+ 58. Kxe5 Rb5+ 59. Kd4) 53... Kd6 $11 {The position is equal.} (53... Rxd5 $2 54. h6 Rd2+ 55. Ke3 Rh2 56. h7 $18) 54. h6 Rb7 $1 55. Ke2 Ra7 56. Rd8+ Kc5 57. d6 {Threatens to win with d7.} Rh7 58. d7 {White wants to mate with Rc8+.} Kd4 {Weighted Error Value: White=0.17/Black=0.09} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.10"] [White "Sanal, Vahap"] [Black "Karacsonyi, Gellert"] [Result "1-0"] [ECO "C10"] [WhiteElo "2546"] [BlackElo "2327"] [Annotator "ChessBase"] [PlyCount "63"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:900+30"] 1. e4 {[%emt 0:04:07]} e6 {[%emt 0:00:14]} 2. d4 {[%emt 0:01:55]} d5 {[%emt 0: 00:11]} 3. Nc3 {[%emt 0:00:05]} dxe4 {[%emt 0:00:08]} 4. Nxe4 {[%emt 0:00:11]} Bd7 {[%emt 0:00:07]} 5. Nf3 {[%emt 0:00:49]} Bc6 {[%emt 0:00:14]} 6. Bd3 { [%emt 0:00:12]} Nd7 {[%emt 0:00:11]} 7. O-O {[%emt 0:00:13]} Ngf6 {[%emt 0:00: 15]} 8. Ng3 {[%emt 0:00:17]} g6 {[%emt 0:01:00]} 9. b3 {[%emt 0:03:21]} Bg7 { [%emt 0:00:08]} 10. Ba3 {[%emt 0:00:08]} Bf8 {[%emt 0:00:06]} 11. Bb2 {[%emt 0: 00:08]} Bg7 {[%emt 0:00:06]} 12. c4 {[%emt 0:01:19]} O-O {[%emt 0:01:14]} 13. Qe2 {[%emt 0:04:41]} Re8 {[%emt 0:03:13]} 14. Ne5 {[%emt 0:01:44]} Nxe5 { [%emt 0:02:03]} 15. dxe5 {[%emt 0:00:07]} Nd7 {[%emt 0:00:10]} 16. f4 {[%emt 0: 10:33]} f6 {[%emt 0:11:24]} 17. exf6 {[%emt 0:04:57]} Bxf6 {[%emt 0:01:55]} 18. Be4 {[%emt 0:06:01]} Bxb2 {[%emt 0:09:37]} 19. Qxb2 {[%emt 0:00:16]} Qf6 { [%emt 0:00:58]} 20. Qe2 {[%emt 0:03:31]} Bxe4 {[%emt 0:06:07]} 21. Nxe4 { [%emt 0:00:07]} Qd4+ {[%emt 0:04:12]} 22. Kh1 {[%emt 0:03:37]} Nc5 {[%emt 0:01: 32]} 23. Nf2 {[%emt 0:00:22]} a5 {[%emt 0:09:35]} 24. Rad1 {[%emt 0:01:42]} Qc3 {[%emt 0:11:02]} 25. Ne4 {[%emt 0:03:19]} Nxe4 {[%emt 0:01:55]} 26. Qxe4 { [%emt 0:00:09]} Qg7 {[%emt 0:12:18]} 27. Qxb7 {[%emt 0:00:21]} Rad8 {[%emt 0: 01:06]} 28. Qc6 {[%emt 0:07:37]} Qe7 {[%emt 0:01:21]} 29. h3 {[%emt 0:00:18]} Rf8 {[%emt 0:09:01]} 30. Rde1 {[%emt 0:03:30]} Rd6 {[%emt 0:00:31]} 31. Qb5 { [%emt 0:02:50]} Rf5 {[%emt 0:00:27]} 32. Re5 {[%emt 0:00:18]} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.11"] [White "Ozenir, Ekin Baris"] [Black "Sadhwani, Raunak"] [Result "1/2-1/2"] [ECO "A33"] [WhiteElo "2309"] [BlackElo "2555"] [Annotator "Shahid"] [PlyCount "71"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,71,-7,-9,0,0,-1,-14,0,-30,-14,-9,7,10,0,0,14,13,12,0,56,-24,-36,-85, -82,-86,-81,-88,-80,-91,-81,-87,0,-71,0,-75,-87,-90,-99,-133,-130,-231,-230, -207,-91,-113,-111,-116,-110,-175,-169,-168,-160,-154,-154,-125]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d5 7. cxd5 exd5 8. e3 Bd6 9. Be2 O-O 10. O-O {[#]} Qe7 $146 {D32: Tarrasch Defence: Sidelines and lines without g3.} ({Predecessor:} 10... Be6 11. b4 a5 12. Nxe6 fxe6 13. b5 Ne5 14. f4 Rc8 15. Qb3 Ned7 16. Bb2 Nc5 17. Qd1 Bb8 18. Rf3 {1/2-1/2 (43) Carlstedt,J (2437) -Kunin,V (2575) Wiesbaden 2014}) 11. Nf3 Rd8 12. Nb5 Bb8 {The position is equal.} 13. b3 Ne4 14. Bb2 Bg4 15. Rc1 a6 16. Nbd4 Rd6 17. Nd2 Bd7 18. Nxc6 bxc6 ({Better is} 18... Bxc6 $11 19. Bg4 Rg6) 19. Bf3 (19. Nxe4 $14 Qxe4 20. Qd4 Qxd4 21. Bxd4) 19... Ng5 (19... Rh6 $5 20. g3 $8 Ng5 $15) 20. Re1 Rh6 21. Nf1 Rg6 {...Nh3+ is the strong threat.} 22. g3 Nxf3+ 23. Qxf3 Bg4 $36 {Black has strong initiative.} 24. Qg2 Bd7 $6 (24... h5) 25. Qf3 Bg4 26. Qg2 h5 27. e4 Re6 {[%CAl Rd5e4]} 28. Ne3 Rxe4 29. Rxc6 {[#]} (29. Qf1 $17 {was called for.}) 29... Ba7 $1 $19 {And now ...d4 would win.} 30. h3 {[#]} d4 $6 (30... Qd7 31. Rec1 Bxh3 32. Qf3 Bxe3 33. fxe3 Bg4 34. Qf2 Qe7 35. Rc7 (35. Bd4 Qg5) 35... Bd7 ) 31. Bxd4 Bxd4 32. hxg4 Bxe3 ({Much weaker is} 32... hxg4 $6 33. Rcc1 $15) 33. fxe3 (33. Kh2 $17 h4 34. Rxe3 Rxe3 35. fxe3) 33... Rxe3 {Black is clearly better.} 34. Rxe3 Qxe3+ {[%mdl 64] Double Attack} 35. Qf2 Qxb3 36. gxh5 { Weighted Error Value: White=0. 17/Black=0.15} (36. gxh5 Rd8 $19) 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.12"] [White "Fedoseev, Vladimir"] [Black "Raja Harshit"] [Result "1-0"] [ECO "A05"] [WhiteElo "2696"] [BlackElo "2484"] [Annotator "TA"] [PlyCount "85"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,85,15,20,0,12,3,20,6,18,0,27,25,20,15,29,24,27,19,44,39,67,75,75,75, 75,75,75,71,70,60,63,62,79,73,71,76,77,79,105,97,106,106,106,90,95,92,231,106, 94,0,0,0,0,0,0,0,0,0,0,0,83,81,218,200,227,231,226,210,292,208]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. d4 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 {[#]} 10. Be3 $146 {E05: Open Catalan: 5 Nf3 Be7.} ({Predecessor:} 10. Bf4 Bd6 11. Nc3 Nbd7 12. Rfd1 Bxf4 13. gxf4 Nb6 14. Qd3 a5 15. Ne5 Bxg2 16. Kxg2 Nbd5 17. Qf3 c6 18. e3 {1/2-1/2 (30) Giri,A (2780)-Radjabov,T (2765) Bucharest 2021} ) 10... Nbd7 11. Nc3 Nd5 12. Bd2 {The position is equal.} a5 13. Qd3 f5 14. Qc4 Bf6 15. Qb3 N7b6 16. Ne5 Bxe5 17. dxe5 Qe8 18. Nb5 Nxa4 19. Nd4 {Strongly threatening Bxd5.} Nc5 20. Qc4 b6 {[#]} 21. Bxa5 $1 Bb7 22. Bb4 Nxb4 23. Bxb7 Rxa1 24. Rxa1 {And now Bg2 would win.} Nxb7 25. Qxb4 {Qc4 is the strong threat. } Na5 26. Rc1 Rf7 27. Nb5 Qd8 28. Qa4 h6 29. b4 Nb7 {[#]} 30. Qa2 $1 {[%CAl Ra2e6]} Re7 31. Rc6 Qd1+ 32. Kg2 Nd8 33. Rxc7 ({White should try} 33. Rc2 $16 { Black must now prevent Rd2.} Qe1 34. Qc4 (34. Rxc7 Rxc7 35. Nxc7 Qc3 $11) (34. Nxc7 Qxb4 35. Qc4 Qxc4 $14)) 33... Rxc7 $11 34. Nxc7 Qc1 35. Na8 Qc6+ 36. f3 Qb5 (36... b5) 37. Qd2 Nf7 $1 38. Qe3 Qxe5 {[#]} (38... g5 $11) (38... Qxb4) 39. Kf2 $1 $36 {White is on the roll.} ({Of course not} 39. Qxe5 Nxe5 40. Nxb6 Nc6 $11) 39... Qa1 $2 (39... b5 $16 {was necessary.}) 40. Nxb6 $18 Qh1 41. Qxe6 {Threatens to win with Nd7.} Qxh2+ 42. Ke3 {Hoping for Nd7.} Qg1+ 43. Kd3 { Weighted Error Value: White=0.05/Black=0.17} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.13"] [White "Makhnev, Denis"] [Black "Kuzubov, Yuriy"] [Result "1-0"] [ECO "D38"] [WhiteElo "2480"] [BlackElo "2653"] [Annotator "TA"] [PlyCount "105"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,105,15,17,0,6,-4,40,16,7,9,14,18,11,18,16,10,11,11,14,8,2,8,5,12,39, 35,44,56,62,60,61,49,69,77,133,55,59,0,0,0,145,-72,-65,-179,-208,-198,-183, -180,0,-22,0,0,0,-85,0,0,0,0,127,122,114,118,152,80,76,31,207,210,208,209,204, 151,168,175,287,323,1418,3621,4133,3672,3187,2031,2291,790,29950,29948,29962, 29963,29964,29966,29967,29967,29968,29969,29981,29982]} 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. a3 Bf8 (8... Bxc3+ $5 9. Qxc3 b6 $11) 9. Bd2 {White is slightly better.} (9. Bd3 {looks sharper.} dxc4 10. Bxc4 h6 11. b4 e5 12. Qb3) 9... e5 10. dxe5 Nxe5 11. cxd5 Nxf3+ 12. gxf3 Nxd5 13. O-O-O Nxc3 14. Bxc3 Qh4 15. Bd3 Be6 {[#]} 16. Rdg1 $146 {[%CAl Bd1g1,Bg1g3,Bg3g4] [%mdl 32]} ({Predecessor:} 16. Rhg1 Rad8 17. Rg3 Bc4 18. Be4 Rxd1+ 19. Qxd1 Rd8 20. Qg1 Qh6 21. Kc2 b5 22. Bf5 {1-0 (45) Navara,D (2733)-Piorun,K (2634) Germany 2018}) 16... Rad8 17. Rg3 f6 18. Rhg1 Rd5 19. f4 Kh8 20. f5 Bf7 21. Rg4 Qxh2 22. Bc4 Rd7 {[#]} (22... h6 $142) 23. Bxf7 (23. Bxf6 $1 $16 {[%mdl 512]} Bxc4 24. Qxc4 Qxf2 {[%mdl 64] Double Attack} 25. e4) 23... Rxf7 $14 24. Qb3 ( 24. Qe2 $1 $14) 24... Rd7 $11 25. R4g2 Qh5 {[#]} (25... Qd6 $11) 26. Qxb7 $2 ( 26. Bxf6 $1 $16 {[%mdl 512] is forced if you want to stay better.} Qf3 27. Qc2) 26... Red8 $1 $17 {...Rd1+ is the strong threat.} 27. e4 (27. Qb3 $15 Qxf5 28. Qc2) 27... Rd1+ $19 28. Kc2 Qe2+ 29. Kb3 R8d6 $2 (29... a5 $1 $19 {[%CAl Ra5a4] } 30. Rxd1 a4+ {[%mdl 64] Decoy} 31. Kxa4 Qxd1+ 32. Ka5 Qf1) 30. Qxc7 {[%CAl Rg2g7]} Qxe4 31. Rxd1 Rxd1 32. Rg3 {[#]} (32. Qc8 $11 {remains equal.} Qd5+ 33. Kc2) 32... Qxf5 (32... Qd5+ $1 $17 33. Qc4 Qxf5) 33. Qxa7 $40 {[%mdl 128] White attacks.} h5 {Strongly threatening ...h4.} 34. Qf7 Qd5+ (34... Kh7 $1 $11 ) 35. Qxd5 $16 Rxd5 {[%mdl 4096] Endgame KRB-KRB} 36. a4 {[%CAl Ba3a4,Ba4a5] [%mdl 32]} Bc5 {[#]} 37. Kc4 ({White should try} 37. Rf3 $1) 37... Rf5 38. f3 Kh7 $2 ({Better is} 38... h4 $14 39. Rh3 Bf2) 39. b4 Bf2 40. Rh3 h4 41. a5 g5 42. b5 Rc5+ (42... Rf4+ {was necessary.} 43. Kd3 Kg7) 43. Kb4 $18 Rxc3 $2 ( 43... Rd5 44. b6 (44. Bxf6 Kg6 $18) 44... Rd6) 44. Kxc3 {KR-KB} Be1+ 45. Kd3 Bxa5 46. Ke2 Kg6 47. Rh1 Kf5 48. Ra1 {White mates.} Bc3 49. Ra4 h3 50. Kf1 Be5 51. b6 {[%CAl Bb5b6,Bb6b7][%mdl 32]} Bd6 52. b7 Ke6 53. Ra6 {White used his chance. Weighted Error Value: White=0.18/Black=0.41} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.14"] [White "Hovhannisyan, Robert"] [Black "Cabarkapa, Novak"] [Result "1-0"] [ECO "C11"] [WhiteElo "2632"] [BlackElo "2478"] [Annotator "TA"] [PlyCount "42"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,42,15,18,23,23,25,27,18,28,41,22,67,89,125,121,126,122,123,131,317, 162,458,450,376,382,526,520,520,496,811,658,658]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Qd2 a6 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack.} 8. O-O-O f5 9. Ng3 c5 {White has an edge.} 10. Nf3 cxd4 11. Nxd4 (11. Qxd4 Qxd4 12. Nxd4 Bd7 $15) 11... Nc6 12. Qc3 $1 { [#] Nxe6! is the strong threat.} Bf6 $146 {[%CAl Rf6d4] [#]} ({Predecessor:} 12... Nxd4 13. Rxd4 Bd7 14. Bc4 Rg8 15. Nh5 Bf6 16. Nxf6+ Qxf6 17. Rhd1 Bc6 18. g3 Kf8 19. Bxa6 {1/2-1/2 (60) Pavlidis,A (2479)-Poetsch,H (2477) Pardubice 2014 }) 13. Bb5 $1 {[%mdl 512]} Bd7 (13... axb5 $2 14. Nxc6 Bd7 15. Rxd7 $1 $18 { [%mdl 512]} (15. Nxd8 Bxc3 16. Nxf7 Bf6 $18)) 14. Bxc6 ({And not} 14. Nxc6 bxc6 15. Rxd7 Bxc3 $17) 14... Bxc6 15. Nh5 Rc8 $2 {[#]} (15... Rg8 $16) 16. Rhe1 ( 16. Qe3 $142 $1 Be4 17. f3 Bxd4 18. Rxd4 {[%mdl 64] Double Attack} (18. Qxd4 $2 Rxc2+ {[%mdl 64] Double Attack} 19. Kb1 Rd2+ 20. fxe4 Rxd4 $19) 18... Rxc2+ 19. Kd1) 16... Bxd4 (16... Rg8 {was called for.}) 17. Rxd4 $18 ({Avoid the trap} 17. Ng7+ $2 Kf8 $19) 17... Qg5+ {[#]} 18. Rd2 $1 Ke7 19. Qc5+ {White is clearly winning.} Ke8 {[#]} 20. Qe5 $1 Ke7 (20... Rg8 $142) 21. Qd6+ Ke8 { Black got outplayed after the opening. Weighted Error Value: White=0.19/ Black=0.65} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.15"] [White "Safarli, Eltaj"] [Black "Gavrilescu, David"] [Result "1-0"] [ECO "A13"] [WhiteElo "2598"] [BlackElo "2470"] [Annotator "TA"] [PlyCount "67"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,67,17,8,23,0,0,0,0,0,0,-11,-2,-1,-6,-7,-13,-15,-8,-37,-30,-31,71,68, 60,79,85,93,74,72,79,43,213,214,212,213,231,232,230,230,222,223,234,227,282, 279,256,240,1142,1000,1000,1000,29963,29964,29971,29972]} 1. c4 e6 2. g3 d5 3. Bg2 d4 4. Nf3 c5 5. O-O Nc6 6. e3 Nf6 7. exd4 cxd4 8. d3 Be7 {A13: English Opening: 1...e6.} 9. Bg5 h6 10. Bxf6 Bxf6 {The position is equal.} 11. Nbd2 { [%CAl Bb1d2,Bd2c4,Bc4e5,Be5c6][%mdl 32]} O-O 12. Re1 a5 13. a3 {[#]} Qc7 $146 ( {Predecessor:} 13... a4 14. Rc1 Ra5 15. c5 Be7 16. Ne4 f5 17. Nd6 Bxd6 18. cxd6 Qxd6 19. Nd2 Ra6 {0-1 (45) Svane,R (2613)-Moranda,W (2618) Tornelo INT 2021}) 14. c5 Be7 15. Rc1 Bd7 16. Nc4 Bxc5 17. Nce5 Ba7 {[#]} (17... Bd6 $15 {stays ahead.}) 18. Nxc6 $1 $16 bxc6 19. Ne5 Rab8 20. Bxc6 Bxc6 21. Rxc6 Qb7 22. Qf3 Qxb2 $2 {[#] This move loses the game for Black.} ({Better is} 22... Bb6 $14) 23. Nd7 $1 $18 Qxa3 24. Rec1 Rbd8 25. Nxf8 Qxf8 26. Ra6 Bb8 27. Rxa5 g6 28. Qf6 Rc8 29. Rxc8 Qxc8 30. h4 {Strongly threatening h5.} h5 $2 (30... Bc7) 31. Ra8 Qc1+ 32. Kh2 Qc7 33. Qxd4 Kh7 34. Qb2 {Weighted Error Value: White=0.05/ Black=0.49} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.16"] [White "Nikitenko, Mihail"] [Black "Markus, Robert"] [Result "1/2-1/2"] [ECO "C15"] [WhiteElo "2472"] [BlackElo "2600"] [Annotator "TA"] [PlyCount "37"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,37,12,10,0,0,0,5,0,9,11,15,8,18,10,21,0,0,0,0,0,2,5,3,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Nf6 6. Nge2 O-O 7. O-O Re8 {The position is equal.} 8. Bg5 {C01: French: Exchange Variation.} c6 9. a3 Be7 {[#] } 10. Ng3 $146 ({Predecessor:} 10. Re1 Nbd7 11. h3 h6 12. Bf4 Nb6 13. Ng3 Be6 14. b3 Bd6 15. Nce2 Rc8 16. Qd2 Bxf4 17. Nxf4 {1-0 (42) Sereni,V (1943)-Rhodes, C ICCF email 2015}) 10... h6 11. Bf4 Bd6 12. Nce2 c5 13. dxc5 Bxc5 14. b4 Bf8 15. c4 dxc4 16. Bxc4 Qxd1 17. Rfxd1 Nc6 18. Nc3 Be6 19. Bxe6 {An uneventful encounter. Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.17"] [White "Puranik, Abhimanyu"] [Black "Diermair, Andreas"] [Result "0-1"] [ECO "C11"] [WhiteElo "2589"] [BlackElo "2455"] [Annotator "TA"] [PlyCount "66"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,66,7,0,-14,0,-10,-12,-19,-14,-5,-12,-16,-7,-33,-16,-168,-120,-125, -133,-134,-122,-127,-116,-162,-161,-278,-283,-410,-404,-368,-414,-374,-365, -381,-359,-747,-727,-852,-604,-591,-582,-5111,-733,-725,-719,-722,-722,-690, -681,-1163,-705]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. f4 Qb6 8. Nf3 f6 9. a3 Be7 10. exf6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} Nxf6 11. g3 O-O 12. Bg2 {The position is equal.} Ne4 13. O-O Bd7 14. Kh1 {[#]} a5 $146 ({Predecessor:} 14... cxd4 15. Nfxd4 e5 16. Bxe4 dxe4 17. Qb3+ Qxb3 18. Nxb3 Be6 19. Nd2 g5 20. b3 Bg4 {0-1 (37) Mos,A-Przybyla,W Poland 1988}) 15. c4 Rad8 ({Weaker is} 15... dxc4 16. d5 $16) 16. b4 $2 (16. cxd5 $11 {and White has nothing to worry.} exd5 17. dxc5 Qxc5 18. Ned4) 16... axb4 17. axb4 cxb4 18. Qd3 Kh8 19. Be3 Be8 20. Ne5 {[#]} (20. g4 Bg6 21. f5 exf5 22. Nf4) 20... Nxe5 $1 {[%mdl 64] Overworked Piece} 21. dxe5 (21. fxe5 $142 Bg6 22. Qb3 Rxf1+ 23. Rxf1) 21... Bc5 $19 22. Bxe4 (22. cxd5 {was forced.} Bxe3 23. Qxe4 exd5 24. Qb1) 22... Bxe3 23. cxd5 exd5 ({Less strong is} 23... Bb5 24. Qd1 $19) 24. Bf3 Bg6 25. Qb3 d4 26. Rfd1 $2 (26. e6 Rc8 27. e7) 26... d3 {Black is clearly winning.} 27. Nc1 Qd4 {Threatens to win with ...Bh5.} 28. Nxd3 Bxd3 29. e6 {[#] intending e7.} Be4 $1 {[%CAl Re4f3]} 30. Bg2 Bxg2+ 31. Kxg2 Qe4+ 32. Kh3 Rde8 33. Rd6 {[#] If White can now play Re1 this consolidates a bit.} Rxf4 $1 {Weighted Error Value: White=0.98/Black=0.48} 0-1 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.18"] [White "Kilgus, Georg"] [Black "Fier, Alexandr"] [Result "0-1"] [ECO "A56"] [WhiteElo "2452"] [BlackElo "2569"] [Annotator "TA"] [PlyCount "156"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,156,29,5,31,0,34,27,40,36,47,50,45,34,43,22,85,78,100,102,97,97,90, 98,81,79,99,94,153,84,80,80,84,84,91,90,91,83,195,178,162,58,63,10,8,10,7,13, 182,171,175,-13,-13,-13,-13,-21,-21,-20,-20,-30,-15,-16,-9,-9,-9,-14,-14,-23,0, 0,0,-14,-14,-14,-14,-14,-14,-37,-26,-32,-8,-56,-3,-18,0,-43,-8,-31,-8,-37,0, -32,-32,-31,-8,-21,0,0,0,0,0,-8,-8,-15,-20,-47,-41,-46,-41,-63,-60,-56,-20,-18, 0,0,0,0,0,0,0,0,0,-76,-76,-76,-76,-76,-76,-76,-76,-76,-76,-787,-751,-2487, -2358,-29973,-29971,-29984,-29969,-29981,-29939]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. h3 O-O 7. Nf3 e6 8. Be3 exd5 9. cxd5 Re8 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} 10. Nd2 Na6 11. Be2 Nc7 {White has an edge.} 12. a4 b6 13. O-O Ba6 14. Re1 Bxe2 15. Rxe2 a6 (15... Nd7 $11 {keeps the balance.}) 16. Bf4 $16 b5 17. axb5 Nxb5 18. Nxb5 axb5 19. Rxa8 Qxa8 20. Bxd6 {[#]} c4 $146 ({ Predecessor:} 20... Nd7 21. Nf3 c4 22. e5 Nb6 23. Rd2 c3 24. bxc3 Nc4 25. Bc7 Nxd2 26. Qxd2 Qc8 {1-0 (38) Dao,T (2590)-Zaw,O (2452) Ho Chi Minh City 2003}) 21. Bb4 Nh5 (21... Qc8 $142) 22. Bc3 (22. g3 $142 $1) 22... Bxc3 23. bxc3 Nf4 24. Re3 Nd3 25. Nf3 Qa3 26. Ne1 Ne5 (26... Qxc3 $16 {was worth a try.} 27. Nxd3 Qd4 {[%mdl 64] Pin}) 27. Qd4 Qa1 {intending ...b4.} 28. Kh2 (28. Qd2 $18) 28... b4 $1 $14 {[%CAl Rb4b3]} 29. Nc2 (29. Nf3 $14 Nxf3+ 30. Rxf3) 29... Qb2 30. Nxb4 Qxf2 31. Rg3 Qf4 (31... Qf6 $1 $11 {and Black stays safe.}) 32. d6 $1 $18 {Threatens to win with Nd5.} Nd7 33. Nd5 $2 ({White must play} 33. Nc6 $18 { Intending Ne7+ and mate.} f6 34. Qd5+ (34. Qxc4+ Kf8 $16) 34... Kf8 35. Ne7 ( 35. Qxc4 Qxd6 36. Qd5 Qc7 $15) 35... Rxe7 36. dxe7+ {[%mdl 64] Discovered Attack} Kxe7 37. Qxc4) 33... Qxd6 $11 34. Qxc4 h5 {...h4 is the strong threat.} 35. Qc7 Qxc7 36. Nxc7 Rxe4 {[%mdl 4096] Endgame KRN-KRN} 37. Nd5 Kg7 38. Re3 Ra4 39. Kg3 Nc5 40. Kf3 Ne6 41. Re2 h4 42. Rb2 g5 43. g3 Ra5 44. Rd2 hxg3 45. Kxg3 f5 46. Kf3 Rc5 47. Rd3 Kg6 48. Re3 Ng7 (48... Nc7 $15 49. Nb6 Rc6) 49. Rd3 Kh5 50. Kg3 Rc6 51. Nb4 Re6 52. Nd5 Rc6 53. Nb4 Rc4 54. Nd5 f4+ 55. Kg2 Nf5 56. Nf6+ Kg6 57. Ng4 {And now Ne5+ would win.} Ra4 58. Ne5+ Kf6 59. Nd7+ Ke7 60. Kf3 Nh4+ 61. Kf2 Ra2+ 62. Kf1 Nf5 {aiming for ...Ne3+.} 63. Ne5 Ne3+ 64. Ke1 Rg2 65. Nf3 Ke6 66. Rd8 Kf5 67. Rg8 Rg3 68. Ke2 Nd5 69. c4 (69. Rc8 $1 $11) 69... Nc3+ $17 70. Kf2 Ne4+ 71. Ke2 Rxh3 {White must now prevent ...Rg3.} 72. c5 {[#]} g4 $1 {[%CAl Rg4f3]} ({Of course not} 72... Nxc5 $6 73. Rxg5+ Kf6 74. Rxc5 $11) 73. Nd4+ Ke5 74. Nc6+ $2 {[%mdl 8192]} (74. Rxg4 $17 Re3+ 75. Kf1) 74... Kd5 $19 {[%mdl 64] Double Attack} 75. Ne7+ Kxc5 76. Rxg4 {[#]} f3+ $1 { Black mates.} 77. Kf1 Rh1+ 78. Rg1 Rh2 {Quite a comeback for Black. Weighted Error Value: White=0.17/Black=0.19} 0-1 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.19"] [White "Kadric, Denis"] [Black "Bharath Subramaniyam H"] [Result "0-1"] [ECO "B43"] [WhiteElo "2586"] [BlackElo "2437"] [Annotator "TA"] [PlyCount "71"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,71,34,25,22,26,34,25,17,0,95,94,79,80,99,87,75,81,89,82,70,91,102,91, 121,96,96,100,124,81,102,108,166,144,141,143,131,114,122,127,136,125,111,115, 344,264,686,435,553,14,14,14,14,58,50,0,0,-43,-43,-43]} 1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nf6 7. f4 d6 8. Qe2 Nbd7 {B82: Sicilian Scheveningen: 6 f4.} 9. g4 h6 10. Be3 b5 {White has an edge.} 11. a3 Bb7 {[#]} (11... Nc5 $11) 12. g5 $146 {[%CAl Rg5f6]} ({Predecessor:} 12. h4 Nc5 13. Bf2 Be7 14. O-O-O d5 15. e5 Nfe4 16. Bxe4 Nxe4 17. Nxe4 dxe4 18. Rh3 {0-1 (36) Babiy,O (2300)-Bharath,S (2437) Chess.com INT 2021}) 12... hxg5 13. fxg5 Nh5 { [#] Hoping for ...Ng3!} 14. g6 $1 Ne5 {And now ...Ng3! would win.} 15. gxf7+ Qxf7 16. Rf1 Nf6 17. O-O-O Rc8 18. Kb1 Be7 19. Bc1 Rc5 20. Rf2 Bd8 21. Rg2 Ba5 22. Bd2 {[%CAl Rc3b5] Black must now prevent Ncxb5.} Nc4 (22... Bd8 $16 { is a better defense.}) 23. Bxc4 $18 bxc4 24. Rdg1 Rh7 25. Rf2 Rh4 26. Qf1 { Threatens to win with Rxg7!} Bxe4 {[#]} 27. Rxg7 {[%mdl 576] Decoy} (27. Bg5) 27... Qxg7 28. Nxe6 Qe7 (28... Bxc2+ $16 {keeps fighting.} 29. Ka2 Qg6 30. Nxc5 Bxc3 31. Bxc3 Ne4 32. Nxe4 (32. Rxc2 Nxc5 33. Rg2 Qe6 $18) (32. Nxa6 $2 Nxf2 33. Qxf2 Bb3+ 34. Ka1 Rg4 $19) (32. Rf8+ Ke7 $18) 32... Bb3+ 33. Ka1 Rxe4) 29. Rxf6 (29. Nxc5 Bxc3 (29... dxc5 30. Rxf6 $18) 30. Bxc3 Nd5 31. Nxe4 Rxe4 32. Ba5) 29... Bxc3 $2 (29... Bf5 30. Nxc5 Qxf6) 30. Bxc3 Rxh2 {aiming for ...Rh1.} 31. Rf8+ $2 (31. Ka2 $18 Rh1 32. Qf2) 31... Kd7 $11 32. Nxc5+ dxc5 33. Ka2 { Strongly threatening Rf7.} ({Not} 33. Qxc4 $2 Bxc2+ 34. Ka2 Qxf8 $19) 33... Rh1 $1 {[%CAl Rh1f1]} 34. Qf4 Bxc2 {[%csl Gc4][%CAl Rc2b3]} 35. Qd2+ Bd3 36. Rg8 { Weighted Error Value: White=0.48/Black=0.42} 0-1 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.20"] [White "Martin Duque, Jesus"] [Black "Suleymanli, Aydin"] [Result "0-1"] [ECO "B11"] [WhiteElo "2444"] [BlackElo "2560"] [Annotator "ChessBase"] [PlyCount "76"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:900+30"] 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d5 {[%emt 0: 00:00]} 3. Nc3 {[%emt 0:00:13]} Bg4 {[%emt 0:00:02]} 4. h3 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 5. Qxf3 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 6. Be2 { [%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 7. O-O {[%emt 0:00:30]} d4 {[%emt 0:00:30] } 8. Nb1 {[%emt 0:00:30]} Bd6 {[%emt 0:00:30]} 9. d3 {[%emt 0:00:30]} Nbd7 { [%emt 0:00:30]} 10. Bd1 {[%emt 0:13:12]} Rg8 {[%emt 0:06:57]} 11. c3 {[%emt 0: 00:30]} dxc3 {[%emt 0:00:30]} 12. d4 {[%emt 0:00:30]} cxb2 {[%emt 0:00:30]} 13. Bxb2 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 14. Nd2 {[%emt 0:00:30]} exd4 { [%emt 0:00:30]} 15. Nc4 {[%emt 0:00:30]} Be5 {[%emt 0:00:30]} 16. Bb3 {[%emt 0: 00:30]} Qc7 {[%emt 0:00:30]} 17. Nxe5 {[%emt 0:00:30]} Qxe5 {[%emt 0:00:30]} 18. Rad1 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 19. Bc4 {[%emt 0:00:30]} g5 { [%emt 0:00:30]} 20. Qb3 {[%emt 0:00:30]} Rg7 {[%emt 0:00:30]} 21. Rd3 {[%emt 0: 00:30]} Kf8 {[%emt 0:00:30]} 22. Bc1 {[%emt 0:00:30]} g4 {[%emt 0:00:30]} 23. Re1 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 24. a4 {[%emt 0:00:30]} Rg8 {[%emt 0: 21:05]} 25. Bb2 {[%emt 0:45:30]} Rg7 {[%emt 0:23:02]} 26. Bc1 {[%emt 0:16:34]} Ke7 {[%emt 0:00:30]} 27. f4 {[%emt 0:00:30]} gxf3 {[%emt 0:00:30]} 28. Rxf3 { [%emt 0:00:30]} Rbg8 {[%emt 0:00:30]} 29. Re2 {[%emt 0:00:30]} Rg3 {[%emt 0:00: 30]} 30. Bf4 {[%emt 0:00:30]} Qxf4 {[%emt 0:00:30]} 31. Rxf4 {[%emt 0:00:30]} Rxb3 {[%emt 0:00:30]} 32. Bxb3 {[%emt 0:00:30]} Ne5 {[%emt 0:00:30]} 33. Ref2 { [%emt 0:00:30]} Rg6 {[%emt 0:00:30]} 34. Rf5 {[%emt 0:00:30]} Nfd7 {[%emt 0:00: 30]} 35. Bxf7 {[%emt 0:00:30]} Rb6 {[%emt 0:00:30]} 36. Bd5 {[%emt 0:00:30]} c4 {[%emt 0:00:30]} 37. Rc2 {[%emt 0:00:30]} c3 {[%emt 0:00:30]} 38. Rf1 {[%emt 0: 00:30]} Kd6 {[%emt 0:00:30]} 0-1 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.21"] [White "Basso, Pier Luigi"] [Black "Stukan, Martin"] [Result "1-0"] [ECO "D37"] [WhiteElo "2550"] [BlackElo "2376"] [Annotator "ChessBase"] [PlyCount "67"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:900+30"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Bxc4 c5 9. O-O cxd4 10. e5 Qd8 11. Ne4 Nc6 12. Qe2 a6 13. Rac1 b5 14. Bxe6 Bxe6 15. Rxc6 O-O 16. Rd1 Bc4 17. Nf6+ gxf6 18. Qe4 Re8 19. Rxd4 Qa5 20. Qh4 Bf8 21. Rg4+ Kh7 22. Qxf6 Qd8 23. Qf5+ Kh8 24. h3 Bg7 25. Rxg7 Kxg7 26. Qg4+ Kh7 27. Qf5+ Kg7 28. Qg4+ Kh7 29. Rd6 Qc8 30. Ng5+ hxg5 31. Qh5+ Kg7 32. Qh6+ Kg8 33. Qxg5+ Kf8 34. Rh6 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.22"] [White "Ahmadzada, Ahmad"] [Black "Warmerdam, Max"] [Result "1/2-1/2"] [ECO "B13"] [WhiteElo "2431"] [BlackElo "2535"] [Annotator "TA"] [PlyCount "116"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,116,16,18,16,31,24,30,0,0,0,0,0,0,-58,-68,-66,-60,-57,-57,-75,-70, -66,-45,-56,-55,-56,-51,-51,-52,-56,-54,-51,-56,-52,-53,-53,-49,-54,-54,-54, -54,-58,-43,-41,-43,-29,-29,-62,-65,-59,-49,-50,-51,-55,-39,-44,-38,-38,-38, -53,-33,-37,-14,-20,-6,-6,-14,-23,-24,-29,-20,-20,-14,-20,0,0,0,0,0,0,0,0,0,-3, -28,-28,0,0,0,-13,-13,-13,0,-13,0,-14,-14,-28,-29,-29,0,0,0,0,0,-28000,-28000] } 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. c3 Bg4 6. Qb3 Qc7 7. Ne2 { B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nc6 8. O-O e6 9. h3 {White has an edge.} Bh5 {[#]} 10. Nf4 $146 ({Predecessor:} 10. Bf4 Qd7 11. Nd2 Be7 12. Ng3 Bg6 13. Bxg6 hxg6 14. Nf3 Nh5 15. Nxh5 Rxh5 16. Rfe1 { 1-0 (46) Salamon,W (2130)-Schweitzer,W (2026) Austria 2016}) 10... Bg6 11. Nxg6 hxg6 12. Nd2 ({White should try} 12. Qd1 $11) 12... g5 $1 $15 13. Nf3 g4 14. hxg4 Bd6 15. Re1 O-O-O 16. Bg5 Bf4 {Hoping for ...Bxg5.} (16... Bh2+ {with more complications.} 17. Kf1 Bf4 18. Bxf6 gxf6 19. Ke2 e5) 17. Bxf6 gxf6 18. c4 {[#]} Nxd4 $1 19. Nxd4 {cxd5 is the strong threat.} dxc4 20. Qxc4 Qxc4 21. Bxc4 {aiming for Nf3.} Rxd4 22. Be2 Bh2+ 23. Kf1 {With the idea g3.} Be5 {[%CAl Rh8h1] [#]} (23... Bd6 {feels hotter.} 24. g3 Rd2 25. Rac1+ Kd7 26. Kg2 Rxb2 27. Rb1 Rxb1 28. Rxb1 b6) 24. Bf3 Rd2 {[%CAl Rh8h1]} 25. g3 Rxb2 26. Rab1 b6 27. Rxb2 Bxb2 {[%mdl 4096] Endgame KRB-KRB} 28. Rd1 Kc7 29. Ke2 Ba3 30. Rh1 Rd8 31. Rh7 Rd7 32. Be4 b5 33. f4 Bd6 34. Kf3 a6 35. g5 fxg5 36. fxg5 Be5 37. g6 f5 38. Rxd7+ (38. Bc2 {is more complex.} Kd6 39. g4 fxg4+ 40. Kxg4 Rc7 41. Rxc7 Kxc7 42. Bb3) 38... Kxd7 $11 {KB-KB} 39. Bb7 a5 40. g4 fxg4+ 41. Kxg4 b4 42. Ba6 Ke7 43. Bb5 Bg7 44. Kf4 Kf6 45. Be8 e5+ 46. Ke4 Bf8 47. Kd3 Kf5 48. Kc4 e4 49. Bc6 Bg7 50. Bb7 Kf4 51. Bc6 Bf8 52. Kd4 Bg7+ 53. Kc4 $1 Bf6 54. Kb3 e3 { Strongly threatening ...e2.} 55. Bb5 Kf3 56. a3 bxa3 57. Kxa3 e2 $2 (57... Be5 $11) 58. Bxe2+ $1 Kxe2 {[%mdl 32768] Weighted Error Value: White=0.06/Black=0. 05. An unexpected result.} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.23"] [White "Maksimovic, Bojan"] [Black "Nenezic, Marko"] [Result "1/2-1/2"] [ECO "B61"] [WhiteElo "2418"] [BlackElo "2531"] [Annotator "TA"] [PlyCount "99"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,99,70,20,41,40,47,0,9,0,15,0,13,0,0,0,0,0,0,-52,-35,-32,-32,-44,-56, -45,-30,-35,-11,-39,0,0,0,0,92,97,111,-16,-17,-12,-2,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,-29976,0,0,0,0,0,0,0,-8,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2 h6 8. Bxf6 gxf6 9. O-O-O Nxd4 10. Qxd4 Qa5 11. f4 Rc8 12. Kb1 Qc5 13. Qd2 Bg7 {B61: Sicilian: Richter-Rauzer: 6...Bd7 7 Qd2.} 14. f5 h5 15. Bd3 Bh6 16. Qe2 Bf4 17. Nd5 {[%CAl Bc3d5,Bd5e3, Be3f1,Bf1d2,Bd2f3][%mdl 32]} Be5 18. c3 e6 {[#]} 19. fxe6 $146 ({Predecessor:} 19. Ne3 b5 20. g3 Ke7 21. fxe6 fxe6 22. Ng2 Rcg8 23. Nh4 a5 24. Nf3 Rb8 25. Rc1 {1-0 (67) Radulov,I (2500)-Mednis,E (2430) Kragujevac 1977}) 19... fxe6 20. Ne3 b5 21. h4 (21. Rhf1 $11) 21... Ke7 22. g4 Rcg8 23. gxh5 Be8 24. h6 Rg3 25. Nf1 Rg6 26. Nd2 Rgxh6 27. Nf3 Bf4 28. Rhg1 Qe3 (28... e5 $11 {keeps the balance.}) 29. Rg7+ $16 Bf7 {[#]} 30. Qxe3 ({Of course not} 30. Bxb5 $6 Qxe2 31. Bxe2 Rg6 $11) (30. Qg2 $1 $16) 30... Bxe3 $11 31. Bxb5 Rg6 32. Rxg6 Bxg6 33. Bd3 Bh5 34. Re1 Bxf3 35. Rxe3 {[%mdl 4096] Endgame KRB-KRB} Bg4 36. Be2 f5 37. exf5 Bxf5+ 38. Bd3 Kf6 39. Bxf5 exf5 {KR-KR} 40. Kc2 f4 41. Re1 Rxh4 42. Kd3 Kf5 43. b4 Rh3+ 44. Kd4 Rh2 {Hoping for ...Rd2+.} 45. Re3 $2 {[%mdl 8192] [#]} Kf6 $2 ( 45... fxe3 {mates} 46. Kxe3 Rxa2 47. Kd3 a5 48. Kc4 a4 49. Kb5 Ke5 50. Ka5 Kd5 51. Kb5 Ra1 52. c4+ Ke5 53. c5 d5 54. Kc6 d4 55. Kb7 d3 56. c6 Rc1 57. c7 a3 58. Kb8 d2 59. c8=Q Rxc8+ 60. Kxc8 a2 61. b5 a1=Q 62. b6 d1=Q 63. b7 Qac1+ 64. Kb8 Qd8+ 65. Ka7 Qa3#) 46. Re1 {The position is equal.} Kf5 {aiming for ... Rd2+.} 47. a4 Rd2+ 48. Kc4 f3 {...Kf4 is the strong threat.} 49. Kb5 $1 f2 50. Rf1 $1 {Weighted Error Value: White=0.27/Black=0.26} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.24"] [White "Agibileg, Uurtsaikh"] [Black "Bogosavljevic, Boban"] [Result "1-0"] [ECO "E20"] [WhiteElo "2413"] [BlackElo "2530"] [Annotator "ChessBase"] [PlyCount "59"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:900+30"] 1. d4 Nf6 {[%emt 0:00:51]} 2. c4 {[%emt 0:00:54]} e6 {[%emt 0:00:06]} 3. Nc3 { [%emt 0:00:13]} Bb4 {[%emt 0:00:08]} 4. f3 c5 {[%emt 0:01:21]} 5. d5 {[%emt 0: 00:43]} d6 {[%emt 0:01:37]} 6. e4 {[%emt 0:02:25]} b5 {[%emt 0:02:07]} 7. Bd2 { [%emt 0:04:01]} a6 {[%emt 0:23:58]} 8. Nge2 {[%emt 0:12:35]} O-O 9. Nf4 exd5 { [%emt 0:02:09]} 10. Ncxd5 {[%emt 0:01:15]} Nxd5 11. Nxd5 {[%emt 0:02:09]} Bxd2+ {[%emt 0:01:02]} 12. Qxd2 {[%emt 0:11:29]} Nc6 {[%emt 0:18:18]} 13. Bd3 { [%emt 0:01:56]} Be6 {[%emt 0:03:25]} 14. O-O {[%emt 0:05:09]} Nd4 {[%emt 0:19: 12]} 15. Rae1 Bxd5 {[%emt 0:00:13]} 16. cxd5 {[%emt 0:01:12]} Qb6 {[%emt 0:04: 55]} 17. Kh1 {[%emt 0:01:35]} Rac8 18. f4 c4 {[%emt 0:01:34]} 19. Bb1 {[%emt 0: 13:23]} b4 20. Rd1 {[%emt 0:03:34]} Nb5 {[%emt 0:02:34]} 21. Qxb4 {[%emt 0:04: 56]} a5 {[%emt 0:07:05]} 22. Qa4 Rc5 {[%emt 0:00:29]} 23. e5 {[%emt 0:04:17]} Nc7 24. Qd7 Nxd5 {[%emt 0:03:30]} 25. Be4 {[%emt 0:05:34]} Nc7 {[%emt 0:04:41]} 26. Rxd6 {[%emt 0:05:04]} Qxb2 {[%emt 0:00:18]} 27. Rh6 {[%emt 0:00:08]} g6 28. Bxg6 {[%emt 0:03:02]} Qe2 {[%emt 0:02:29]} 29. Rg1 {[%emt 0:01:14]} Rd5 { [%emt 0:01:45]} 30. Qe7 {[%emt 0:01:19]} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.25"] [White "Babazada, Khazar"] [Black "Erenberg, Ariel"] [Result "0-1"] [ECO "C92"] [WhiteElo "2409"] [BlackElo "2494"] [Annotator "TA"] [PlyCount "94"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,94,0,66,-8,24,23,24,5,17,7,9,10,1,0,2,-8,15,9,14,0,12,0,10,16,2,0,0, 0,0,-8,-9,-10,-6,-18,-18,-18,-19,-11,-11,-9,-14,-2,0,-32,-29,-41,-42,-39,0,-60, -58,-60,-56,-47,-24,-29,0,-30,-23,-39,-48,-39,-43,-218,-214,-186,-163,-181, -183,-319,-291,-309,-291]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Ng5 Rf8 12. Nf3 h6 ( 12... Re8 $11) 13. dxe5 {C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations.} (13. Nbd2 $14) 13... dxe5 14. Nbd2 Re8 15. Qe2 { White has an edge.} Bf8 16. Nf1 Na5 17. Bc2 c5 18. Ng3 g6 {[#]} 19. Nh2 $146 ({ Predecessor:} 19. b3 Qc7 20. c4 Nc6 21. Bb2 Nd4 22. Nxd4 cxd4 23. f4 exf4 24. Bxd4 fxg3 25. Bxf6 Qb6+ 26. Kh1 Qxf6 27. Rf1 Qe5 28. Rae1 Bb4 29. Rd1 Rad8 30. Rxd8 Rxd8 31. cxb5 Qxb5 32. Qf3 f5 {0-1 (30) Sarvaretdinova,N-Penzin,V (2027) Ufa 2009}) 19... h5 20. Bg5 Bg7 21. Rad1 Qb6 22. Ngf1 Nh7 23. Bc1 Qe6 24. Bb1 Nc4 25. Nf3 Qe7 26. Ne3 Nxe3 27. Bxe3 Nf8 28. Rd2 Ne6 29. Red1 {[#] Hoping for Rd7.} Bc6 30. g3 Bf6 31. h4 c4 32. Bc2 Rec8 33. Bh6 a5 {[%CAl Ba6a5,Ba5a4] [%mdl 32]} 34. Qe3 b4 35. Rd6 Bh8 36. R6d2 (36. Qe2 $11) 36... a4 $15 37. cxb4 Qxb4 38. a3 $1 {[%CAl Ra3b4]} Qe7 39. Qc3 Rab8 40. Be3 Be8 41. Rd5 Qb7 42. Rb1 Bc6 43. Ra5 {Now White is beyond hope.} ({Better is} 43. Rd6 $1 $15) 43... Bxe4 $19 44. Ra7 Qd5 45. Ra5 {[#]} Qc6 46. Nxe5 (46. Bxe4 $142 Qxe4 {[%mdl 64] Double Attack} 47. Nd2) 46... Bxc2 47. Qxc2 Qc7 {[%mdl 64] Double Attack. Weighted Error Value: White=0.25/Black=0.08} 0-1 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.26"] [White "Sadikhov, Ulvi"] [Black "Sarenac, David"] [Result "1-0"] [ECO "A16"] [WhiteElo "2490"] [BlackElo "2289"] [Annotator "ChessBase"] [PlyCount "34"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:900+30"] 1. c4 {[%emt 0:00:25]} Nf6 {[%emt 0:00:37]} 2. Nc3 {[%emt 0:00:30]} d5 { [%emt 0:00:30]} 3. cxd5 {[%emt 0:00:30]} Nxd5 {[%emt 0:00:30]} 4. g3 {[%emt 0: 00:30]} g6 {[%emt 0:00:30]} 5. Bg2 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 6. b3 {[%emt 0:04:13]} Bg7 {[%emt 0:01:55]} 7. Bb2 {[%emt 0:00:30]} O-O {[%emt 0:00: 30]} 8. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 9. O-O {[%emt 0:00:30]} e5 { [%emt 0:00:30]} 10. d3 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 11. Rc1 {[%emt 0: 00:30]} Nd4 {[%emt 0:00:30]} 12. Nd2 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 13. Re1 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 14. e3 {[%emt 0:00:30]} Ne6 {[%emt 0: 00:30]} 15. Qc2 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 16. Nde4 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 17. Nxe4 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.27"] [White "Vardaan Nagpal"] [Black "Blohberger, Felix"] [Result "1/2-1/2"] [ECO "D11"] [WhiteElo "2366"] [BlackElo "2490"] [Annotator "ChessBase"] [PlyCount "54"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:900+30"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 Bf5 5. Nc3 e6 6. Nh4 dxc4 7. Nxf5 exf5 8. e3 Bd6 9. Bxc4 h5 10. Qf3 g6 11. Bd2 Nbd7 12. O-O-O Qe7 13. Kb1 Ne4 14. Nxe4 fxe4 15. Qe2 O-O-O 16. Ba5 Rde8 17. Bc3 Rhf8 18. h4 Kb8 19. a3 Nb6 20. Bb3 Qd7 21. Rc1 Nd5 22. Rc2 Qf5 23. Rhc1 Rc8 24. Qd2 f6 25. Bxd5 cxd5 26. Bb4 Qd7 27. Bxd6+ Qxd6 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.28"] [White "Pichot, Alan"] [Black "Sargsyan, Anna M."] [Result "1-0"] [ECO "B48"] [WhiteElo "2630"] [BlackElo "2397"] [Annotator "TA"] [PlyCount "43"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,43,36,33,20,23,0,18,20,22,27,49,54,165,148,178,167,208,196,211,194, 234,209,321,316,316,320,640,603,29985,29986,29993,29994,29994,29995]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 {7.Qf3 is a critical line. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} b5 8. Nxc6 dxc6 9. Qf3 {[#] The position is equal.} Bd6 $146 ({Predecessor:} 9... e5 10. h4 h6 11. Rg1 Be6 12. O-O-O Bb4 13. a3 Be7 14. g5 hxg5 15. hxg5 Rd8 { 1/2-1/2 (54) Svane,R (2615)-Movsesian,S (2647) Tornelo INT 2021}) 10. O-O-O Ne7 11. h4 Rb8 {[#]} (11... Bb7 $14) 12. Rxd6 $1 $18 {[%mdl 512]} Qxd6 13. e5 $1 { [%CAl Re5d6]} Qc7 {White must now prevent ...c5.} 14. Ne4 {[%mdl 1024] White has strong compensation.} O-O (14... Qxe5 $2 15. Bf4 $18) 15. Bc5 Bb7 16. Bd6 { [%CAl Rd6c7]} Qa5 {[#]} (16... Qd8 $142) 17. Bd3 $1 c5 {Threatens to win with . ..c4.} 18. Bxe7 c4 $2 {[#]} (18... Qxa2 19. Bxf8 (19. Bxc5 Rfc8 $18) 19... Kxf8 ) 19. Nf6+ $1 {[%mdl 512]} gxf6 (19... Kh8 20. Be4) 20. Qxf6 {White mates.} h6 21. Qxh6 {[%csl Gd3][%CAl Rh6h7]} ({Weaker is} 21. Bxf8 Rxf8 22. Qxh6 cxd3 $11) 21... f5 22. exf6 {[%csl Gd3][%CAl Rh6h7] Black got outplayed after the opening. Weighted Error Value: White=0.01/Black=0.67} 1-0 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.29"] [White "Dragnev, Valentin"] [Black "Radovanovic, Nikola"] [Result "1/2-1/2"] [ECO "B30"] [WhiteElo "2569"] [BlackElo "2395"] [Annotator "TA"] [PlyCount "117"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,117,20,10,11,13,21,20,18,36,40,27,35,16,9,20,18,17,56,36,43,46,56,53, 51,53,110,109,129,132,176,175,187,181,192,174,184,167,164,113,121,78,110,99, 100,69,168,14,18,-53,10,0,0,-99,-112,-149,-23,-23,-20,-30,-20,-31,-33,-231, -227,-252,-252,-215,-225,-415,-402,-351,0,-215,-23,-78,-78,-78,-74,-75,-71,-69, -28,-28,-28,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34, -34,-34,-34]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 a6 6. Bf1 d5 7. exd5 Nxd5 8. d4 Nf6 9. Be3 Nd5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ... g6.} 10. Bg5 f6 11. Bc1 {Threatening c4.} cxd4 {The position is equal.} 12. Nxd4 Nxd4 13. Qxd4 Bd6 14. Qa4+ {[#]} Bd7 $146 ({Predecessor:} 14... Kf7 15. Qb3 Qb6 16. Qxb6 {1/2-1/2 (18) Bruzon Batista,L (2698)-Radjabov,T (2733) Tromsoe 2013}) 15. Qb3 O-O 16. c4 Nb4 17. Be3 {Rd1 is the strong threat.} Qc7 18. g3 Nc6 19. Bb6 Qc8 20. Nc3 f5 ({Better is} 20... Ne5 $14) 21. Rad1 $16 Bb8 22. Bg2 Re8 23. Na4 Ne5 {intending ...Bc6.} 24. Bd4 Bxa4 25. Qxa4 Nc6 26. Bc3 e5 27. b4 (27. c5 $18) 27... e4 28. f4 Ba7+ 29. Kh1 a5 30. b5 Nb4 (30... Ne7 $1 $14) 31. Qb3 $2 (31. Qxa5 $2 Bc5 $1 $19) (31. Bxb4 axb4 32. Qxb4 Bc5 $11) (31. b6 $1 $18 Bxb6 32. Rd7) 31... Bc5 $11 32. Qb2 (32. Bf1 $11) 32... Qc7 (32... Rd8 $1 $15 33. Bf1 (33. Bxg7 Nd3 $17) 33... Qc7) 33. Be5 Qe7 34. g4 (34. a3 $11 {keeps the balance.} Nd3 35. Rxd3 $1 exd3 36. Qc3) 34... Rad8 $1 $17 35. gxf5 Nd3 (35... Rxd1 $1 $17 36. Rxd1 Nd3 37. Rxd3 exd3 38. Bd5+ Kf8) 36. Rxd3 $1 $11 exd3 37. Bd5+ {[#]} Rxd5 $1 38. cxd5 Qf7 $36 {[%mdl 2048] White must now prevent ...d2. Black has some pressure.} 39. Qb3 $2 (39. Qg2 $15 Rd8 40. Rd1 Qxd5 41. Bc7) 39... d2 $19 40. Rd1 Qxf5 41. d6+ Kh8 {( -> ...Qe4+)} 42. Qd5 { [#]} (42. Qg3 {is the only way for White.} Qe4+ 43. Qg2 Qe1+ {[%mdl 64] Double Attack} 44. Qf1 Qxf1+ 45. Rxf1) 42... Qg4 $1 43. Rf1 {[#]} Qe2 44. Qg2 $2 (44. Bxg7+ $1 $11 {and White has nothing to worry.} Kxg7 45. Qg5+ Kf7 46. Qf5+ { [%mdl 64] Double Attack} Kg7 47. Qg5+ Kf7 48. Qf5+ {[%mdl 64] Double Attack} Kg8 49. Qg5+ Kh8 50. Qf6+ Kg8 51. Qg5+ Kh8 52. Qf6+ Kg8 53. Qg5+) 44... Qxg2+ ( 44... Rxe5 $19 45. fxe5 Bf2) 45. Kxg2 $17 {[#] Strongly threatening Rd1.} Bxd6 $1 46. Rd1 ({Wrong is} 46. Bxd6 $2 Re1 $19) 46... Bxe5 47. fxe5 Rxe5 48. Rxd2 { [%mdl 4096] Endgame White wants to mate with Rd8+. KR-KR} h5 (48... Kg8 { is more complex.} 49. a4 Kf7 50. Rd8 Re8 51. Rd7+ Re7) 49. a4 Re4 50. Rd7 b6 { Black is slightly better.} 51. Rd6 Rxa4 52. Rxb6 Rb4 53. Rb8+ Kh7 54. b6 Rb2+ 55. Kg3 g5 56. Ra8 Rb3+ 57. Kg2 Rxb6 {Hoping for ...Rb2+.} 58. Rxa5 Kg6 59. h3 {Never resign too early! Weighted Error Value: White=0.34/Black=0.23} 1/2-1/2 [Event "Serbia Chess Open 2021"] [Site "Belgrade"] [Date "2021.07.05"] [Round "5.30"] [White "Yankelevich, Lev"] [Black "Perunovic, Milos"] [Result "1/2-1/2"] [ECO "A57"] [WhiteElo "2389"] [BlackElo "2567"] [Annotator "ChessBase"] [PlyCount "45"] [EventDate "2021.07.02"] [EventType "swiss"] [EventCountry "SRB"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:900+30"] 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:57]} 2. c4 {[%emt 0:00:04]} c5 {[%emt 0: 00:18]} 3. d5 {[%emt 0:00:18]} b5 {[%emt 0:00:07]} 4. cxb5 {[%emt 0:00:05]} a6 {[%emt 0:00:07]} 5. e3 {[%emt 0:01:30]} g6 {[%emt 0:00:33]} 6. Nc3 {[%emt 0:00: 09]} Bg7 {[%emt 0:00:07]} 7. Nf3 {[%emt 0:00:26]} O-O {[%emt 0:00:23]} 8. a4 { [%emt 0:00:23]} Bb7 {[%emt 0:00:27]} 9. Be2 {[%emt 0:01:09]} axb5 {[%emt 0:08: 37]} 10. Bxb5 {[%emt 0:00:07]} Na6 {[%emt 0:02:58]} 11. e4 {[%emt 0:02:30]} e6 {[%emt 0:10:49]} 12. O-O {[%emt 0:12:25]} exd5 {[%emt 0:04:27]} 13. exd5 { [%emt 0:02:14]} Nb4 {[%emt 0:10:31]} 14. d6 {[%emt 0:15:24]} Ne4 {[%emt 0:14: 36]} 15. Nxe4 {[%emt 0:16:52]} Bxe4 {[%emt 0:00:32]} 16. Re1 {[%emt 0:04:35]} Bc2 {[%emt 0:06:53]} 17. Qe2 {[%emt 0:02:27]} Qb6 {[%emt 0:01:23]} 18. Bg5 { [%emt 0:10:19]} Bxb2 {[%emt 0:06:09]} 19. Be7 {[%emt 0:00:13]} Bxa1 {[%emt 0: 06:25]} 20. Rxa1 {[%emt 0:00:06]} Bf5 {[%emt 0:00:39]} 21. Rd1 {[%emt 0:16:39]} Nc6 {[%emt 0:07:37]} 22. Bf6 {[%emt 0:06:22]} Nd4 {[%emt 0:01:40]} 23. Nxd4 { [%emt 0:04:47]} 1/2-1/2