[Event "Leipzig"] [Site "?"] [Round "0"] [White "Tarrasch"] [Black "Marco"] [Result "1-0"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Bb4 6. Nd5 Be7 7. d3 d6 8. c3 O-O 9. Nxf6+ $1 {Not every exchange is made just for the sake of trading down some pieces. Tarrasch awards himself an exclamation mark - most probably because Black would otherwise have made the exchange himself, and then, after . .. Nb8, have advanced with ... Pf5} 9... Bxf6 10. O-O Ne7 11. Be3 Ng6 12. d4 { Tarrach attached great importance to occupying the centre with pawns} 12... Bg4 13. h3 Bxf3 $2 {Black is too anxious to exchange pieces. The Bishop should have been retired to e6 or d7, according to Tarrasch} (13... Be6) (13... Bd7) 14. Qxf3 Bg5 15. g3 {Preventing 15. ... Nf4} 15... Bxe3 16. fxe3 $1 { Quite correct: the open f-file guarantees White an enduring initiative} 16... Kh8 17. Rf2 c6 18. Bb3 f6 19. Be6 Re8 { White can't play Pd5 since this would simply be met by ... Nf8} (19... Qe7 20. d5) 20. Bf7 (20. d5 Nf8) 20... Re7 21. Bxg6 hxg6 {The results of the respective strategies of both players is now clear: White's exchange at move 9 prepared to obtain a central space advantage, and that on the 21st move weakened the Black King's position. Black also has exchanged twice, but his 13th move was only loss of time while his 15th gave White control of the half-open f-file. We shall now see how Tarrasch develops his advantage} 22. h4 $1 {An important move, for otherwise Black would get a satisfactory pawn structure by ... Pg5} 22... Qe8 23. Re1 (23. -- exd4) 23... Kg8 24. Rd2 $1 { The purpose of this move is to prepare to play Pd5, so as to close the centre before resuming with his Kingside attackingideas} 24... Qf7 25. d5 c5 26. Rf1 Qe8 27. Rh2 { White's plan consists of Ph5 and then if ... Pg5, the breakthrough with Ph6} 27... Rd8 28. Qg4 (28. h5 {premature} 28... gxh5 29. Rxh5 Qg6 $1) 28... b5 29. Kg2 (29. h5 g5 30. Qf5 Qd7 31. Qg6 Qg4 $132) 29... b4 30. c4 Qa4 31. h5 $1 (31. Qxg6 Qxa2) 31... g5 32. h6 Qc2+ 33. Rf2 Qxc4 34. hxg7 Kxg7 35. Qf5 Kg8 36. Qxf6 Qxe4+ 37. Kg1 1-0