[Event "Kolkata Open"] [Site "Kolkata IND"] [Date "2018.05.14"] [EventDate "2018.05.14"] [Round "1.7"] [Result "0-1"] [White "Syed Mahfuzur Rahman"] [Black "Chanda Sandipan"] [ECO "A83"] [WhiteElo "2188"] [BlackElo "2573"] [PlyCount "50"] 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. d5 Bg7 6. Qd2 O-O 7. O-O-O d6 8. Re1 c6 9. Bxf6 exf6 10. Nxe4 c5 11. Nf3 h6 12. c4 b5 13. cxb5 f5 14. Nc3 a6 15. bxa6 Nxa6 16. h4 Nb4 17. a3 Bxc3 18. bxc3 Rxa3 19. cxb4 Ra1+ 20. Kb2 Qf6+ 21. Kb3 Bd7 22. Rxa1 Qxa1 23. Bb5 Qxh1 24. Bxd7 Qb1+ 25. Qb2 c4+ 0-1