[Event "St.Petersburg"] [Site "?"] [Round "0"] [White "Lasker"] [Black "Teichmann"] [Result "1-0"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 {The Worrall attack, White's idea is to lend greater support to the center through a future Rd1.} 6... b5 7. Bb3 d6 8. c3 O-O 9. d4 {White has achieved an ideal pawn center. The difference between this position and the main lines of the Closed variation of the Spanish Game is that White has a queen on e2 rather than a rook on e1.} 9... exd4 10. cxd4 Bg4 11. Rd1 d5 12. e5 Ne4 13. Nc3 Nxc3 14. bxc3 {Black lacks counterplay against White's impressive pawn chain.} 14... f6 { A mistake which weakens Black's kingside. 14...Qd7 would finish hisdevelopment while also connecting the rooks.} 15. h3 Bh5 16. g4 Bf7 {16...Bg6 17.Nh4 fxe5 18.Nxg6 hxg6 19.dxe5 would leave Black's kingside and d-pawn undefendable.} 17. e6 Bg6 {The pawn at e6 remains a thorn in Black's position.} 18. Nh4 { White has a clear advantage in control of space, a very important element in chess. The player with more space can maneuver more easily and transfer pieces from one flank to another quickly.} 18... Na5 {18...Be8 19.Qf3 Wins the d-pawn. } 19. Nxg6 hxg6 20. Bc2 f5 21. Kh1 {White clears the g-file for his rook.} 21... Bd6 22. gxf5 Qh4 23. Qf3 gxf5 24. Rg1 {White is threatening to bring his dark squared bishop into the game with 25.Bg5.} 24... f4 {Stops White from playing 25.Bg5. However, by playing pawn f4 Black has lost control of the g4 square.} 25. Rg4 Qh6 26. e7 {Opening the d5 diagonal to the Black king.} 26... Bxe7 { 26...Rf7 27.Bg6 Rxe7 28.Qxd5+ Kh8 29.Qxa8+ Re8 30.Qxe8+ Bf8 31.Qxf8+ Mates.} 27. Bxf4 Qe6 {27...Qf6 28.Qxd5+} 28. Rxg7+ { Black resigned. If you don't see the forced win, play this game against Gambit. } 1-0