[Event "Kolkata Open"] [Site "Kolkata IND"] [Date "2018.05.18"] [Round "5.9"] [White "Sarin Nihal"] [Black "Kalyan Arjun"] [Result "1-0"] [ECO "D52"] [WhiteElo "2551"] [BlackElo "2383"] [PlyCount "65"] [EventDate "2018.05.14"] 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 {The Cambridge Springs Variation} 7. cxd5 Nxd5 8. Rc1 {The first game: GM Kramnik played 8. Qd2} Bb4 9. a3 Bxc3+ ({If} 9... Nxc3 10. axb4 Qxg5 ({If} 10... Nxd1 11. bxa5 Nxb2 12. Be2) 11. bxc3 Qe7 12. Qc2 O-O ({If} 12... e5 13. Be2 O-O 14. O-O) 13. Bd3) 10. bxc3 Qxa3 {We have discussed this move at GAME VIEWER 1.} 11. Qd2 { It supports c3 pawn and eyeing the diagonal c1 to g5 square once e3 pawn is pushed.} N5f6 12. Bd3 Qe7 13. e4 h6 14. Bh4 g5 15. Bg3 Nh5 {Now, black has created weaknesses at kingside, therefore, black will castle at queenside. Simple logic.} 16. e5 b6 17. Qe2 {This side step supports the bishop at d3 to hit a6 square and indirectly attacking the knight at h5.} Bb7 18. Nd2 Nxg3 19. fxg3 {Logical...instead of the 19. hxg3 move.} O-O-O 20. O-O f6 21. Ra1 { Counter attacking black.} fxe5 22. Rxa7 {Allowing this take is a mistake. Combinations are coming soonest, black miscalculated.} Kb8 23. Rfa1 exd4 { "Eat all you Can"} 24. cxd4 Qd6 25. Nb3 b5 26. Kh1 {Avoiding any unnecessary checks later.} Kc7 27. Na5 Rb8 28. Rc1 {Very strong move!!} Kb6 29. Rxb7+ Rxb7 30. Rxc6+ Qxc6 31. Nxc6 Rc8 32. Bxb5 Nb8 (32... Rxc6 {If} 33. Bxc6 Kxc6 34. Qxe6+ Kc7 35. Qc4+) 33. Qxe6 {Black Resigned: Super interesting game by GM Sarin Nihal. The theory behind giving up the a3 pawn deserves attention. Next chess blog will be black's variation 7...ed5. All for now and keep safe always. ...} 1-0