[Event "AUS ch"]
[Site "Sydney, Australia"]
[Date "1945.09.03"]
[EventDate "?"]
[Round "1.2"]
[Result "1-0"]
[White "Charles Gilbert Marriott Watson"]
[Black "Gregory Simon Koshnitsky"]
[ECO "D94"]
[WhiteElo "?"]
[BlackElo "?"]
[Source "melbournechessclub"]
[PlyCount "80"]

1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. e3 Bg7 5. d4 O-O 6. cxd5
Nxd5 7. Qb3 Nb6 8. Be2 N8d7 9. O-O e5 10. Rd1 Qe7 11. Bd2
c6 12. Bf1 e4 13. Ne1 Nf6 14. a4 Nbd5 15. Nxd5 Nxd5 16. Bc4
Rd8 17. a5 Rb8 18. Rdc1 Be6 19. Qa3 Qh4 20. Bb4 Nxb4
21. Qxb4 Bf8 22. Qb3 Bxc4 23. Rxc4 Rd5 24. a6 Rg5 25. Qc2
bxa6 26. Ra2 Bb4 27. g3 Qh3 28. Ng2 Rh5 29. Qxe4 Qxh2+
30. Kf1 Qh1+ 31. Ke2 Qg1 32. Rxb4 Rxb4 33. Nf4 Rhb5
34. Qe8+ Kg7 35. Ne6+ Kf6 36. Qh8+ Kxe6 37. d5+ {The sealed
move. "A rook down. Why doesn't he resign?", a bystander
exclaimed. Koshnitsky went to dinner without a care in the
world.} Kxd5 {After ...Rxd5 Watson could have tipped his king over.}
38. Qf6 Qh1 39. b3 {Now black must avert perpetual check.}
Kc5 40. Qe5+ Qd5 {and white mates in four.} 1-0