[Event "BCCL OU v Luton A"] [Site "Open University, Milton Keyne"] [Date "2023.11.30"] [Round "?"] [White "O'Brien, Thomas P"] [Black "Alexander, NO'D James"] [Result "1-0"] [ECO "D40"] [WhiteElo "2133"] [BlackElo "1818"] [Annotator "Annotated by T O'Brien"] [PlyCount "77"] [EventType "team"] [SourceVersionDate "2022.04.18"] [WhiteTeam "Luton A"] [BlackTeam "OU"] 1. d4 Nf6 2. c4 e6 3. Nc3 c5 {Black wants to play the Benoni.} 4. e3 d5 5. Nf3 Nc6 {We're in symmetrical Tarrasch territory.} 6. Be2 ({White can play} 6. a3 $140 {to control the b4-square, and play dxc5, b4, Bb2}) 6... dxc4 7. O-O cxd4 8. exd4 Be7 9. Bxc4 O-O 10. Re1 ({I can play} 10. a3 {but choose to develop}) 10... Nb4 11. a3 Nbd5 12. h3 b6 13. Qe2 Bb7 14. Ne5 Nxc3 15. bxc3 Nd5 16. Bb2 Bf6 ({If Black plays} 16... Nf4 17. Qg4 Nxg2 18. Nxf7 Rxf7 19. Qxe6 Qf8 20. Qxe7 Nxe1 21. Rxe1 {with a powerful pin on the f7 square}) 17. g3 Rc8 18. Rac1 Bxe5 19. dxe5 Qc7 20. Bd3 Ne7 21. a4 $140 {Ba3, Bd6.} Qc6 {Black threatens mate.} 22. Be4 Qxe4 23. Qxe4 Bxe4 24. Rxe4 Rc7 25. Ba3 {Black didn't realise that White's 21st move set the snare.} Rfc8 26. Bd6 Rd7 27. g4 Kf8 28. c4 Ke8 29. a5 {Loosening Black's position.} b5 30. c5 Nc6 31. g5 $140 {White is going to break through on the King side; Centre closed King is caught under the fire of both Bd6 and Rh4 threats.} a6 32. Rh4 f5 33. gxf6 gxf6 34. exf6 Nxa5 35. Re1 Rxd6 36. cxd6 Kf7 37. Rxh7+ Kxf6 38. Rh6+ Kf5 39. Rhxe6 {Resigns. White's d6-pawn in support of both Rooks will prevail; The Black King is cut-off. If 39... Rc2 40.R1e5+ Kf4 41.Rd5 and Black is lost.} 1-0