PircB09

Joseph St. Pierre (1973)
Richard Judy (1900)

Maine State Championship
2006


B09: Pirc Defence: Austrian Attack

1. e4 d6 1... e5 2. Nc3= 2. d4 Nf6 Black threatens to win material: Nf6xe4 3. Nc3 g6 4. f4 Black has a cramped position 4... Bg7 5. Nf3 c5 5... O-O 6. Be2+/= 6. Bb5+ Bd7 White has a very active position 7. e5 White threatens to win material: e5xf6 7... Ng4 8. e6 fxe6 8... Bxb5 9. exf7+ Kf8 10. Nxb5 Qa5+ 11. Nc3 cxd4 12. Nxd4 Kxf7 13. O-O Bxd4+ 14. Qxd4+/= 9. Ng5+/- Bxb5 10. Nxe6 10. Nxb5!? Qa5+ 11. c3 Qxb5 12. Nxe6+/- 10... Bxd4+/= 11. Nxb5 11. Qxg4 Bd7 12. f5 Bxe6 13. fxe6 Nc6-/+ 11... Qa5+ 12. c3 12. Qd2 Qxd2+ 13. Kxd2 Na6 14. Nec7+ Nxc7 15. Nxc7+ Kd7 16. Nxa8 Rxa8+/= 12... Bf2++/= 13. Kd2 White loses the right to castle 13... Be3+ 14. Kc2 Qa4+ 15. b3 White threatens to win material: b3xa4 15. Kb1!? Qxd1 16. Rxd1= 15... Qe4+= Black forks: c2, g2+e6 16. Kb2 Nf2 17. Qc2 Qxg2 18. Bd2 Kd7 Black threatens to win material: Kd7xe6 18... Na6!? 19. Nec7+ Kd7 20. Nxa8 Bxd2 21. Qxd2 Nd3+ 22. Kc2 Qxd2+ 23. Kxd2 Nxf4 24. Nxa7 Rxa8-/+ 19. Rhe1= White threatens to win material: Re1xe3 19... Bxd2 Black wins a piece 20. Re2 White threatens to win material: Re2xd2 20... Qc6?? allows the opponent back into the game >= 20... Bxc3+ and Black can hope to survive 21. Nxc3 Qh3 22. Nxc5+ dxc5 23. Rxf2 Nc6 24. Rd1+ Kc8=/+ 21. Nbc7+/- Bxf4 22. Nxf4?? weakening the position 22. Rxf2 Be5 23. Qe2+/= (23. Nxa8? looks tantalising, but 23... Kxe6 24. Qe2 d5-+) 22... Kxc7-+ 22... Qxc7?! 23. Rxe7+ Demolition of pawn structure 23... Kxe7 24. Nd5+ Kd8 25. Nxc7 Kxc7 26. Qxf2= 23. Qd2 Ne4?? Black threatens to win material: Ne4xd2. letting the wind out of his own sails >= 23... Ng4 a pity that Black didn't try this 24. Nd5+ Kd8-+ 24. Nd5++/= Kd7 25. Rxe4 e5? 25... >= e6!? would allow Black to play on 26. Nf6+ Kc7 27. Rxe6 Nd7 28. Nd5+ Kb8+/= 26. Rf1 Qa6?? causes further problems for ? >= 26... Re8 27. Nf6+ Kc7+/- 27. Rf7+ Kc6 27... Ke8 does not win a prize 28. Qg5 Nc6 29. Re7+ Kd8 30. Rxh7+ Ke8 31. Rxh8+ Kd7 32. Qg4# 28. Rc7+ 1-0 [Fritz 9 (5s)]