*Buffalo Open, 1973.*

**White:** J. Tisdall

**Black:** Dr. E. W. Marchand.

Caro-Kann Defense.

**
1. e4 c6; 2. d4 d5; 3. e5.
**

This was a favorite line of Edward Lasker.

**
3...Bf5; 4. c4.
**

This modern line is considered sharpest.

**
4...dc.
**

More usual is 4...e6 first, but Marchand follows the Petrosian rule of minimizing his opponent's options.

**
5. B:c4 e6; 6. Ne2 Nd7; 7. Ng3?
**

7. Nc3 would have prevented the following exchanges.

**
7...B:b1; 8. R:b1 Bb4+!
**

Black picks the shortest route to equality.

**
9. Bd2 Qe7?!
**

This blocks the King's Knight. 9...Bd2 would have been more consistent.

**
10. O-O B:d2; 11. Q:d2 Rd8.
**

Threatening 12...N:e5.

**
12. Qc3 Nh6.
**

The Knight will get into play anyway.

**
13. f4 Nb6; 14. Bb3 O-O; 15. Rbd1 Nd5; 16. Qf3 Qh4; 17. h3.
**

On g4 the Knight would have attacked e3 as well as h2.

**
17...Nf5; 18. N:f5 ef; 19. a3.
**

Prophylaxis is all White has left.

**
19...Rd7; 20. Rd3 Rfd8; 21. Kh2.
**

To free the f1R from guard duty.

**
21...Qh6; 22. g3.
**

Now the Rook can move, but White's K-side pawns will be targets.

**
22...Nc7; 23. Rfd1 Nd5; 24. Kg2.
**

Would you like a draw?

**
24...Qg6; 25. Kh2 h5.
**

I'd rather play it out.

**
26. R1d2 Qh6; 27. Rf2 Nc7; 28. Rfd2 Ne6.
**

With this move Black declines the draw for good!

**
29. d5 Nc5; 30. Rd4 h4; 31. dc!!
**

A surprising offer of a Rook. But on 31...R:d4; 32. R:d4 R:d4, White plays 33. c7 and the pawn cannot be stopped from queening!

**
31...R:d4; 32. R:d4 hg+.
**

Apparently hoping for 33. Q:g3? R:d4; 34. c7 Qc6.

**
33. Kg2?
**

White's enthusiasm betrays him. After 33. Kg1 his Rook would have been immune. Now Black wins by a tempo!

**
33...R:d4!! 34. c7 Rd2+; 35. Kg1 Q:h3; 36. c8=Q+ Kh7.
**

White's two Queens are not enough.

**
37. Q:c5.
**

The only answer to the threat of 37...Qh2+ and 38...Rf2+.

**
37...Qh2+; 38. Kf1 g2+; 39. Ke1.
**

Now 39... g1=Q+ is answered by 40. Q:g1 Q:g1+; 41. K:d2 when White remains a piece ahead.

**
39...R:b2!
**

After this there is no defense. It would have been the same after 37. Qh1 Rh2; 38. Qf3 R:b2.

**
40. Qe3 g1=Q+; 0:1.
**

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Col. G. L. Sicherman [ HOME | MAIL ]