4. .. g6 variation may be interesting.
[pgn]
[Event "?"]
[Site "?"]
[Date "?"]
[Round "-"]
[White "?"]
[Black "?"]
[Result "1/2-1/2"]
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nc6 7. Qd2 Nf6
8. f3 O-O 9. O-O-O Nxd4 10. Bxd4 Be6 11. g4 c5 12. Be3 Qa5 13. a3 a6 14. h4
b5 15. h5 b4 16. Nb1 Rfd8 17. Bh6 Bh8 18. Bg5 Rab8 19. hxg6 fxg6 20. c4 Qa4
21. Qc2 Qc6 22. a4 b3 23. Qh2 Rd7 24. Bd3 Rf8 25. e5 dxe5 26. Bxg6 Rxd1+
27. Kxd1 Qxf3+ 28. Kc1 Qxg4 29. Bxh7+ Kf7 30. Rg1 Qh5 31. Qxh5+ Nxh5 32.
Bh6 Nf4 33. Bxf8 Ne2+ 34. Kd2 Nxg1 35. Bxc5 Nf3+ 36. Kc1 Bf6 37. Bd3 e4 38.
Bxe4 Bg5+ 39. Kd1 Ne5 40. Nd2 Nxc4 41. Nxc4 Bxc4 42. Bb4 Ke6 43. Bd2 Bf6
44. Bc3 Bg5 45. Bd2 Bf6 46. Bc3 Bg5 47. Bd2
{Draw by repetition} 1/2-1/2
[/pgn]
Philidor IV
Moderators: hgm, Rebel, chrisw