[Event "USSR Championship"] [Site "?"] [Round "0"] [White "Dubinin"] [Black "Botvinnik"] [Result "0-1"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 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. d3 { The normal move is 9.h3, preventing the enemy bishop from reaching g4.} 9... Na5 10. Bc2 c5 11. Nbd2 Qc7 12. Nf1 h6 13. h3 {We have transposed back to more normal lines of the Spanish Game, except that usually White's pawn is at d4 rather than d3.} 13... Be6 14. Ne3 Rad8 15. Nf5 { A typical maneuver. Black cannot let the knight remain in attacking position.} 15... Bxf5 16. exf5 Nc6 17. d4 exd4 18. cxd4 d5 19. Be3 Rfe8 20. Rc1 c4 { Black has a pleasant position, with a strong queenside initiative and control of key squares in the center.} 21. g4 Ne4 22. Bb1 Bd6 {Now it is Black who is attacking on the kingside, and White has to be concerned with the pawn at d4, which requires constant defense.} 23. Nh4 Bf4 24. Qf3 Bg5 25. Ng2 Bxe3 26. Qxe3 {26.fxe3 Ng5} 26... Re7 {Now Black wins material.} 27. Qf4 Nxd4 28. Qxc7 { Now Black wins in two moves. Do you see how?} 28... Nf3+ 29. Kf1 Ned2# 0-1