[Event "Buenos Aires Simultaneous Exhibition"] [Site "?"] [Round "0"] [White "Zarnicki"] [Black "Kasparov"] [Result "0-1"] [ECO "B40"] [Opening "Sicilian: Open, 2...e6, 4.Nxd4"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 { The Scheveningen variation is one of my favorites.} 7. O-O O-O 8. f4 a6 { Notice how Black's e and d pawns keep White's piece off of the center.} 9. Be3 Qc7 10. Qe1 {White intends to transfer the queen over for a kingside attack. 10.a4 holding back Black's queenside, is more frequently played.} 10... b5 11. Bf3 Bb7 12. a3 {A necessity in order to stop Black's intended 12...b4.} 12... Nbd7 13. Qg3 Rac8 14. Rae1 {14.Rad1, which protects the knight on d4 with the idea of advancing in the center, may be better.} 14... Ba8 15. Kh1 Kh8 { Both king's tuck away in the corners, in mutual respect for each others' attacks.} 16. Qf2 Qb8 {A strong move, with ideas of advancing the b-pawn, while clearing the c-file for the rook.} 17. Bc1 { An admission that White has no concrete plan.} 17... Nb6 18. g4 d5 {Following t he maxim that an attack on the flank is best countered by one in the center.} 19. e5 Ne4 20. Nxe4 dxe4 21. Bxe4 Bc5 {Pinning the knight.} 22. c3 Bxd4 23. Qxd4 { 23.cxd4 Rxc1 24.Rxc1 Bxe4+ when Black's two pieces are stronger than the rook.} 23... Rc4 24. Qd3 Rd8 25. Qf3 {As a result of Black's pawn sacrifice, his rooks have been able to enter the game with tempo. Black now takes advantage of White's king being on the same diagonal as Black's light squared bishop.} 25... Rxe4 {With this temporary sacrifice Black is able to capitalize on a pin along the a8-h1 diagonal.} 26. Rxe4 Na4 { With the intention of playing 27...Nc5.} 27. b4 Rc8 {White resigned since he has no defense against 28...Rc4 winning material due to the pin on the a8-h1 diagonal.} 0-1