Corr-1, 1966
1. e4, e5
2. Nf3, Nc6
3. Bc4, Nf6
4. d4, exd4
5. 0-0, Nxe4
6. Nc3 ....
The Nakhmanson Gambit. White sacrifices the Knight to achieve greater Queen mobility.
6. .... dxc3
7. Bxf7, Kxf7
8. Qd5, Ke8
9. Re1+, Be7
10. Rxe4, d6
11. Bg5, cxb2
12. Rae1!, Rf8
13. Bxe7, Nxe7
14. Qh5+ ....
If 14. Rxe7 Qxe7, 15. Rxe7 b1=Q mate.
14. .... Kd7
If 14....g6, then 5. Qxh7 Bf5, 16. Rxe7+ and White wins.
15. Nd4, c5
16. Qg4, Kc7
17. Rxe7+, Qxe7
18. Rxe7+, Kd8
19. Qg5!!, h6
If 19....b1=Q, then 20. Re1 dis chk Kc7, 21. Qe7+Kb6, 22. Rxb1+ with a mating attack.
20. Rxb7 dis chk
Black resigns. He cannot avoid mate even if he captures the Queen. If 20......hxg5, then 21. Nc6+ Ke8, 22. Re7 mate.
If after 20. Rxb7, Black moves Rf6, then 21. Nc6+ Ke8, 22. Re7+ Kf8, 23. Qxg7 mate.
A brilliant ending! And Black has a pawn waiting for promotion.
