[Event "Baden Baden"] [Site "Baden Baden"] [Round "0"] [White "Tarrasch"] [Black "Alekhine"] [Result "0-1"] [ECO "C53"] [Opening "Giuoco Piano: 4.c3"] {Black gives up the centre at the right moment} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Bb6 5. d4 Qe7 6. O-O Nf6 7. Re1 d6 8. a4 a6 9. h3 O-O 10. Bg5 h6 11. Be3 Qd8 $3 {Alekhine described this as the most difficult move of the whole game. The intention is twofold: he gets his Queen off the file of the enemy Rook and prepares to play ... Pd5, preceded by ... Pxd4. Meanwhile, the e-file is reserved for a Black rook} 12. Bd3 Re8 13. Nbd2 Ba7 {Maintaining the tension. This move robs White of a chance of playing Nc4 later on with gain of tempo, and also prevents his from eventually breaking up the Black pawns by capturing first on e5 and then on b6} 14. Qc2 { Overprotecting his e-pawn in preparation for the maneuver Nf1-g3} 14... exd4 $1 {At the correct moment Black abadons the centre} 15. Nxd4 (15. cxd4 Nb4 { exchanging off White's strong King bishop}) 15... Ne5 16. Bf1 d5 $1 17. Rad1 ( 17. f4 Ng6 18. e5 Nh5 {wins a pawn}) 17... c5 18. N4b3 Qc7 19. Bf4 (19. exd5 Nxd5 20. Nc4 Nxc4 21. Bxc4 Nxe3 22. Rxe3 Rxe3 23. fxe3 { Black retains the two Bishops under favourable circumstances}) 19... Nf3+ $1 20. Nxf3 Qxf4 21. exd5 (21. e5 {stronger} 21... Bf5 22. Qd2 Qxd2 23. Rxd2 Ne4 24. Rdd1 (24. Rxd5 Be6 $1) 24... Rad8 $17 {bishop pair}) 21... Bf5 22. Bd3 (22. Qd2 Qxa4 23. Nc1 Bc2 24. Rxe8+ Rxe8 25. Re1 Ne4 26. Qf4 c4 27. Nd4 Bxd4 28. cxd4 Qb4) 22... Bxh3 23. gxh3 Qxf3 24. Rxe8+ Rxe8 25. Bf1 { White has avoided the loss of a pawn, but now his King will soon fall} 25... Re5 26. c4 Rg5+ 27. Kh2 Ng4+ 28. hxg4 Rxg4 29. Bh3 Rh4 0-1