[Event "Moscow"] [Site "?"] [Round "0"] [White "Lasker"] [Black "Pirc"] [Result "1-0"] [ECO "B33"] [Opening "Sicilian: Open, 2...Nc6"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. O-O a6 8. Be3 {A typical Sicilian defense has been reached where Black has the two center pawns while White has a lead in development.} 8... Qc7 9. f4 Na5 {This move bre aks the opening rule that one shouldn't move the same piece twice before completing his development.} 10. f5 Nc4 {Consistent With Blacks previous move but still bad as Black now moves the knight a third time before completing his development. 10...Be7 Continuing his development and preparing to castle is better.} 11. Bxc4 Qxc4 12. fxe6 fxe6 {The final mistake which gets met with a violent refutation. 12...Bxe6 13.Qf3 would leave White with a winning position due to his lead in development.} 13. Rxf6 { An excellent sacrifice which gets rid of Black's only developed piece.} 13... gxf6 14. Qh5+ Kd8 {14...Ke7 would not keep the White army out after 15. Nf5+ exf5 16.Nd5+ Kd8 17.Bb6+ Kd7 18.Qf7+ Kc6 19.Qc7+ Kb5 20.a4+ Qxa4 21.c4+ Qxc4 22.Ra5+ Mate.} 15. Qf7 {Although Black is up an exchange he is dead lost because his pieces have not been brought into play.} 15... Bd7 {15...Be7 16. Nf5 Takes advantage of the fact that the Black queen is not defended. 16...Re8 17.Nxd6 Bxd6 18.Bb6+ Bc7 19.Rd1+ Bd7 20.Qxd7+ Mate.} 16. Qxf6+ Kc7 17. Qxh8 Bh6 18. Nxe6+ Qxe6 {18...Bxe6 19.Qxh7+ Kb8 20.Qxh6} 19. Qxa8 Bxe3+ 20. Kh1 { Black resigned because of his material losses.} 1-0