[Event "?"] [Site "?"] [Round "0"] [White "Janowsky"] [Black "Lasker"] [Result "0-1"] [ECO "C49"] [Opening "Four Knights: 4.Bb5 Bb4"] {The weakness of a fixed doubled pawn} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Ne7 9. Bc4 Ng6 10. Nh4 Nf4 11. Bxf4 exf4 12. Nf3 Bg4 13. h3 Bh5 14. Rb1 b6 15. Qd2 Bxf3 16. gxf3 Nh5 {The Black dou bled pawn blocks the White one, and produces such anuncomfortable pressure that White's counteradvantages - central majority and open g-file - carry ver little weight} 17. Kh2 Qf6 18. Rg1 Rae8 19. d4 Kh8 20. Rb5 Qh6 21. Rbg5 f6 22. R5g4 g6 23. Bd3 Re7 24. c4 { Apparently hoping to sow confusion in the enemy ranks by an eventual Pc5} 24... Ng7 $1 {So as to get at the White doubled pawns via e6} 25. c3 (25. Qxf4 Qxf4+ 26. Rxf4 Ne6) 25... Ne6 26. Bf1 (26. Qd1) 26... f5 27. R4g2 Rf6 28. Bd3 g5 $3 29. Rh1 (29. exf5 Qxh3+ $3 {ala Kotov (Zurich 1953) ... a thematic sacrifice} 30. Kxh3 Rh6+ 31. Kg4 Rh4#) 29... g4 30. Be2 Ng5 31. fxg4 f3 32. Rg3 fxe2 0-1