[Event "28th Sigeman & Co 2023"] [Site "Malmo SWE"] [Date "2023.05.08"] [Round "5.1"] [White "Van Foreest, Jorden"] [Black "Erigaisi, Arjun"] [Result "1-0"] [ECO "C48"] [WhiteElo "2680"] [BlackElo "2701"] [Annotator "Monokroussos,Dennis"] [PlyCount "101"] [EventDate "2023.05.04"] [EventType "tourn"] [EventRounds "7"] [EventCountry "SWE"] [EventCategory "17"] [SourceTitle "The Week in Chess 1487"] [Source "Mark Crowther"] [SourceDate "2023.05.08"] [SourceVersion "1"] [SourceVersionDate "2023.05.08"] [SourceQuality "2"] {[%evp 0,101,16,12,17,17,20,12,12,12,27,20,35,30,20,16,39,6,4,-2,-2,-6,7,29,50,32,45,40,37,39,46,27,25,12,18,16,40,46,30,30,50,11,14,16,20,19,27,26,39,17,31,17,68,94,104,87,94,83,88,81,91,91,87,87,87,87,85,85,111,69,125,126,126,132,118,122,132,132,123,132,132,124,139,151,150,125,125,125,125,125,115,105,124,115,125,115,125,113,592,562,972,972,992,1002]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. d3 O-O 6. Ba4 a6 7. O-O h6 8. Ne2 Re8 9. Bd2 Rb8 10. Ng3 b5 11. Bb3 Bf8 12. a4 d6 13. axb5 axb5 14. c3 Be6 15. Bxe6 Rxe6 16. d4 d5 17. dxe5 Nxe4 18. Nd4 Nxd4 19. cxd4 Nxg3 20. hxg3 c5 21. Be3 Rc8 22. f4 cxd4 23. Bxd4 Bc5 24. Kh2 Re8 25. Ra6 Bxd4 26. Rd6 Qc7 27. Qxd4 Qc4 28. Rd1 Qxd4 29. Rxd4 Rc2 30. Rb4 Rc5 31. Rd4 Rc2 32. R4xd5 Rxb2 33. Rb6 h5 34. Rb7 Re2 35. Rdd7 Rf8 36. Kh3 g6 37. Rxb5 Kg7 38. Rbb7 Re1 39. Kh2 Kg8 40. g4 hxg4 41. Kg3 Re2 42. Re7 Kg7 43. Ra7 Kg8 44. Rab7 Kg7 45. Rb6 Kh8 46. Ra6 Kh7 47. Rf6 {Erigaisi has had the miserable task of defending this endgame for a long time, but so far he has done everything necessary to maintain an objectively drawn position. Here, he cracks. I suspect that he hoped to lure his opponent into playing his 48th move, thinking it would speed up the draw, but missed White's 50th move.} Kg8 $4 (47... Kg7 $1 $11) 48. e6 Rxe6 49. Rexe6 fxe6 {White can go a pawn up by taking on g6 or e6, but in both cases the result is a draw. Unfortunately for Black, the capture that leads to equal material leads to an easy win.} 50. Rxf8+ $1 (50. Rxg6+ $2 Kf7 51. Rxg4 $11) (50. Rxe6 $2 Kf7 51. Ra6 $11 {followed by Kxg4 is an even easier draw for Black than in the last line.}) 50... Kxf8 51. Kxg4 {This is an elementary win for White.} (51. Kxg4 Kf7 52. Kg5 Kg7 53. g3 $1 {If the pawn were already on g3, he could play g4 to make a first bit of progress, but he would lack the tempo move needed to make the second bit of progress later.} (53. g4 $2 Kf7 54. Kh6 Kf6 {If White could "pass" here, he'd win. Alas, it's a mutual zugzwang and it's his move.} 55. g5+ (55. Kh7 g5 $1 $11) 55... Kf5 56. Kg7 Kxf4 57. Kxg6 e5 $11) 53... Kf7 54. Kh6 Kf6 55. g4 Kf7 56. g5 $18) 1-0 [Event "28th Sigeman & Co 2023"] [Site "Malmo SWE"] [Date "2023.05.08"] [Round "5.2"] [White "Keymer, Vincent"] [Black "Svidler, Peter"] [Result "1/2-1/2"] [ECO "A04"] [WhiteElo "2700"] [BlackElo "2683"] [Annotator "Monokroussos,Dennis"] [PlyCount "69"] [EventDate "2023.05.04"] [EventType "tourn"] [EventRounds "7"] [EventCountry "SWE"] [EventCategory "17"] [SourceTitle "The Week in Chess 1487"] [Source "Mark Crowther"] [SourceDate "2023.05.08"] [SourceVersion "1"] [SourceVersionDate "2023.05.08"] [SourceQuality "2"] {[%evp 0,69,16,4,56,27,27,17,27,36,44,36,8,-22,44,2,29,20,29,25,21,-13,41,7,-1,-14,-14,-18,-24,-37,-7,-41,21,11,11,5,-22,-118,-64,-67,-25,-33,-33,-21,-49,-49,-49,-52,-49,-63,-48,-51,-41,-41,-37,-48,-50,-45,-47,-51,-24,-52,-52,-52,-16,-16,-3,0,0,-7,1,0]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. d3 Nge7 5. Nd5 d6 6. a3 b5 7. e3 Rb8 8. Be2 Be6 9. Nc3 bxc4 10. dxc4 Nc8 11. Nd2 Nb6 12. O-O Be7 13. Bf3 Na5 14. Nd5 Nxd5 15. Bxd5 Bxd5 16. cxd5 O-O 17. Qa4 c4 18. b4 cxb3 19. Bb2 Qb6 20. Bc3 Bd8 21. Bb4 Qb5 22. Qxb5 Rxb5 23. Bxd6 Re8 24. Rfb1 $2 (24. Rab1 $11) 24... Nb7 $2 (24... e4 $1 {wins, as White's last move incarcertated his rook on a1. It can only be rescued by move the b1-rook away, but that lets the b-pawn survive.} 25. Rd1 Nb7 26. a4 Rxd5 27. Ba3 Na5 $19) 25. a4 $11 Rxd5 26. Bb4 a5 27. Bc3 Rd3 28. Rxb3 {With the b-pawn gone, White is fine.} Nc5 29. Rba3 Nxa4 30. Rxa4 Rxc3 31. Nc4 h5 32. Nxa5 Bxa5 33. Rxa5 f6 34. h4 Rec8 35. Ra8 1/2-1/2 [Event "28th Sigeman & Co 2023"] [Site "Malmo SWE"] [Date "2023.05.08"] [Round "5.3"] [White "Grandelius, Nils"] [Black "Gelfand, Boris"] [Result "1/2-1/2"] [ECO "B40"] [WhiteElo "2660"] [BlackElo "2678"] [Annotator "Monokroussos,Dennis"] [PlyCount "73"] [EventDate "2023.05.04"] [EventType "tourn"] [EventRounds "7"] [EventCountry "SWE"] [EventCategory "17"] [SourceTitle "The Week in Chess 1487"] [Source "Mark Crowther"] [SourceDate "2023.05.08"] [SourceVersion "1"] [SourceVersionDate "2023.05.08"] [SourceQuality "2"] {[%evp 0,73,16,12,33,51,47,40,40,40,39,39,18,12,12,0,0,0,0,0,0,92,92,35,56,36,74,74,21,0,29,29,29,37,37,37,37,37,37,37,37,37,73,65,76,-28,0,0,0,0,0,0,0,0,0,0,25,0,8,7,30,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 {A very sharp line.} 6. Bf4 {Leading to pure tactics - at least once the homework/memory phase has passed.} (6. Ndb5 {can transpose into a Sveshnikov if Black plays 6...d6, while}) (6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 {can also lead to very complicated positions.}) 6... Bb4 7. Ndb5 Nxe4 8. Qf3 d5 9. Nc7+ Kf8 10. Nxa8 e5 11. Bd2 Nd4 12. Qd1 Qh4 13. g3 Qf6 14. Nxe4 Nf3+ 15. Qxf3 Qxf3 16. Bxb4+ Kg8 17. Nd6 Qxh1 18. O-O-O Be6 19. Nc7 Qxh2 20. Nxd5 Bxd5 21. Rxd5 Qxf2 {The flurry comes to an end, as it has in previous games. There's nothing new so far.} 22. Rd1 {Only played once before. Gelfand had apparently missed this game, or more likely didn't recall all the details and had to reconstruct everything at the board. To his great credit, he made no mistakes in what follows, and neither did White. Possibly a perfect draw, at least from 6.Bf4 on.} (22. Rxe5 {has been played five times - five draws. (Only four show up because ChessBase won't include a shorter game when it overlaps with a longer one.)} Qxf1+ 23. Re1 Qxe1+ 24. Bxe1 h5 25. Nxb7 (25. Bc3 b6 26. Kd2 f6 27. Ke3 Kf8 28. Kf3 Ke7 29. Nb5 Kd7 {½-½ Brunori,V (2212)-Ploscaru,S (2223) EU-ch 2018 pr21 email ICCF email}) 25... g5 26. Nc5 (26. c4 h4 27. gxh4 gxh4 28. c5 h3 29. Bg3 h2 30. Bxh2 Rxh2 31. c6 Rh6 32. Nd8 Rh5 33. Nb7 Rh6 34. Nd8 Rh5 35. Nb7 {½-½ Lage,P (2100)-Mendes Domingues,R (2168) Copacabana Rio Masters 2022 (4)}) (26. Bf2 h4 27. gxh4 gxh4 28. Bxa7 h3 29. Bb8 h2 30. Bxh2 Rxh2 31. a4 f5 32. a5 f4 33. a6 f3 34. a7 Rh1+ 35. Kd2 Ra1 36. Ke3 Rxa7 37. Nd6 Ra2 38. Nc4 Ra4 39. Nd2 Ra2 40. Nc4 Ra4 41. Nd2 Ra2 42. Nc4 {½-½ Ropovik,S (1497)-Sekova,O (1797) Kezmarok op 2022 (7)}) 26... h4 27. gxh4 gxh4 28. Nd3 h3 29. Nf2 f5 30. Kd1 Kf7 31. Ke2 h2 32. Nh1 Rg8 33. Bg3 f4 34. Bxf4 Rg1 35. Bxh2 Rxh1 36. Bb8 Rb1 37. b3 Rb2 38. a4 Rxc2+ 39. Kd3 Rb2 40. Kc3 Rxb3+ 41. Kxb3 Ke6 42. Bxa7 Kd7 43. a5 Kc6 44. a6 Kb5 45. Bd4 Kxa6 {½-½ Motylev,A (2639)-Makarian,R (2460) RUS-ch Higher League 74th Cheboksary 2021 (1)}) (22. Bc4 {was played in two games that finished with a winner, including one featuring a pair of super-GMs who are both playing in Bucharest.} Qe3+ 23. Rd2 $4 (23. Kd1 h5 (23... Qxg3 $11) 24. Rd3 Qg1+ (24... Qg5 $142 $11) 25. Kd2 (25. Be1 $142 $14) 25... e4 $6 (25... Kh7 $142 $15) 26. Nxe4 Qg2+ $2 (26... Kh7 27. Bxf7 Qg2+ 28. Ke3 $1 $14) 27. Ke3 $2 (27. Kc3 $1 $18) 27... Kh7 28. Ng5+ $11 {1-0 Al Tarbosh,W (2256)-Chigaev,M (2632) Titled Tuesday intern op 28th Feb Early Chess.com INT blitz 2023 (7) I don't know if Black lost on time or lost his internet connection, but the position on the board is equal.} Kg6 $1 29. Bxf7+ $1 Kxg5 30. Be7+ Kh6 31. Rd6+ g6 32. Rxg6+ Kh7 33. Bf6 $11 {and White will give perpetual - and that's it.}) 23... Qe1+ 24. Rd1 Qxb4 $19 25. a3 Qc5 26. b4 Qe3+ 27. Kb2 g6 28. Nxf7 b5 29. Ba2 Kg7 30. Rd7 Rf8 31. Nxe5+ Kh8 32. Nf7+ Rxf7 33. Bxf7 Kg7 34. Bc4+ Kh6 35. Bd3 a6 36. g4 Qf4 37. Kb3 Qxg4 38. Rd6 Qc8 39. a4 Qg8+ 40. Ka3 Qh8 41. axb5 axb5 42. Bxb5 Qc3+ 43. Ka4 Qxc2+ 44. Ka3 Qc3+ 45. Ka4 Qc2+ 46. Ka5 Qc7+ 47. Rb6 Kg5 48. Bd3 Kf4 49. Ka6 g5 50. b5 g4 51. Rc6 Qd7 52. Bf1 g3 53. Rc4+ Ke3 54. b6 Kf2 55. b7 Qd6+ 56. Ka7 Qa3+ 57. Kb6 Qb3+ 58. Kc7 Kxf1 59. Rf4+ Ke2 60. Rg4 Kf3 61. Rg5 Qc3+ 62. Kb6 Qe3+ 63. Rc5 Qf4 64. Rc3+ Kg4 65. Rc8 Qb4+ 66. Kc6 Qc4+ 67. Kd6 Qd4+ 68. Kc6 Qe4+ 69. Kb6 Qe3+ 70. Kc6 Qf3+ 71. Kb6 Qf2+ 72. Kc6 Qf3+ 73. Kb6 Qb3+ 74. Kc6 Qc2+ 75. Kb6 Qb2+ 76. Kc6 Qc3+ 77. Kb6 Qb4+ 78. Kc6 g2 79. b8=Q Qxb8 80. Rxb8 h5 81. Kd5 Kf3 82. Rb3+ Kf2 83. Rb2+ Kg3 84. Rb3+ Kh2 85. Rb2 Kh1 86. Ke4 h4 87. Rb3 g1=Q 88. Rb2 Qe1+ 89. Kf3 Qg3+ 90. Ke4 Qg2+ {0-1 Firouzja,A (2759)-Rapport,R (2763) Paris GCT Blitz 2021 (15)}) 22... h5 23. Bc4 Qxg3 {In the Erdogmus-Lock game cited below, Black played his last two moves in the opposite order.} 24. Bd2 $146 (24. Rf1 Rh6 25. Nf5 Qg4 26. Bxf7+ Kh7 27. Nxh6 Kxh6 28. Bd2+ g5 29. Bd5 h4 30. Bf3 Qc4 31. Rg1 e4 32. Bxg5+ Kh7 33. Bd1 h3 34. Rh1 Qe6 35. Be3 Qf5 36. Be2 b6 37. Bf1 Qf3 38. Rxh3+ Qxh3 39. Bxh3 {1-0 Erdogmus,Y (2150)-Lock,G (2107) Titled Tuesday intern op 07th Sept Chess.com INT blitz 2021 (6)}) 24... Qg4 {After a further 11 minutes. Now Grandelius thought for 37 minutes.} 25. Bd5 Kh7 26. Nxf7 $8 Rf8 $8 27. Re1 Qd4 (27... h4) 28. Be4+ (28. c4 Rxf7 29. Bxf7 h4 30. Be6 b5 $11) 28... Kg8 29. Nxe5 Rf1 30. Rxf1 Qxe4 31. Nd3 Qg2 32. Re1 h4 33. Nf4 Qg3 34. Re3 Qg1+ 35. Re1 Qg3 36. Re3 Qg1+ 37. Re1 {A very good game.} 1/2-1/2 [Event "28th Sigeman & Co 2023"] [Site "Malmo SWE"] [Date "2023.05.08"] [Round "5.4"] [White "Gukesh, Dommaraju"] [Black "Mishra, Abhimanyu"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2730"] [BlackElo "2550"] [Annotator "Monokroussos,Dennis"] [PlyCount "83"] [EventDate "2023.05.04"] [EventType "tourn"] [EventRounds "7"] [EventCountry "SWE"] [EventCategory "17"] [SourceTitle "The Week in Chess 1487"] [Source "Mark Crowther"] [SourceDate "2023.05.08"] [SourceVersion "1"] [SourceVersionDate "2023.05.08"] [SourceQuality "2"] {[%evp 0,83,16,12,56,33,81,65,49,38,57,33,80,39,35,34,28,9,13,13,22,1,22,11,-7,-17,-11,-23,20,15,32,12,4,-11,6,-11,-7,-6,-13,0,-19,-13,-16,-2,47,0,36,29,26,39,34,55,72,64,77,23,22,41,22,-26,0,-29,-41,6,6,6,36,-113,-56,-52,-67,-86,-86,-79,-47,-39,-47,-46,-48,-48,-48,-48,-48,-48,-47,-82]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e6 7. g4 b5 8. a3 Bb7 9. Bg2 Nfd7 10. h4 Nc6 11. Bg5 Be7 12. Bxe7 Qxe7 13. Qd2 Nc5 14. O-O-O Rd8 15. Kb1 O-O 16. f4 b4 17. axb4 Nxb3 18. cxb3 Nxb4 19. Qe3 Qc7 20. h5 Qc5 21. Qd2 Bc6 22. g5 $14 (22. h6 $1 g6 23. Na2 $16) 22... d5 23. h6 g6 24. Qd4 (24. exd5 $142 exd5 25. Qd4 $14) 24... Qxd4 25. Rxd4 a5 26. Rhd1 f6 $11 27. gxf6 Rxf6 28. Bh3 Re8 29. e5 (29. Bxe6+ Rfxe6 30. exd5 $11) 29... Rf7 30. Rc1 Bd7 31. Na4 Nc6 32. Rd2 Rxf4 33. Nc5 $6 (33. Nb6 $11) (33. Rxd5 exd5 34. Bxd7 Rxe5 35. Bxc6 $11) 33... Nb8 34. Rdc2 $6 (34. Rf1 $15) 34... Rh4 35. Nxd7 Nxd7 36. Rc8 Rxc8 $6 (36... Kf7 37. Rxe8 Kxe8 38. Bxe6 d4 39. Bxd7+ Kxd7 40. Rc5 Rxh6 41. Kc2 $3 $15 {The only move that doesn't lose.}) 37. Bxe6+ Kf8 38. Rxc8+ Ke7 39. Bxd5 Nxe5 40. Ra8 Rxh6 41. Rxa5 Rh2 42. Ka2 1/2-1/2