BN and White wins

M. Mukhin-E. Mukhin USSR Student Team Ch 1970

9 N-Q5! As in the Estrin-Shatskes example White's substantial lead in development is the key to his success here. 9 ... P xN 10 P xP K-Ql Naturally not 10 ... B x P 11 B-B3 +

11 B-B3 B-Q3?! Too ambitious. Black should have tried 11... P-Q3 followed by ... N-Q2 though his position would remain very cramped.

12 N-B5 P-B3 The continuation of Black's peculiar idea. By establishing his bishop at K4 he thinks that he will solve his problems on the K-file. If 12 ... N-K2 13 NxN BxN 14 P-Q6, White wins back the piece with much the better game. 13 Q-Q4 BxRP+ 14K-Rl B-K4 15QxP P-Q3 16 RxB! So much for the blockade on the K-file. 16 . .. QP xR loses to 17 Q-B8+ K-Q2 18 Q xNP+ etc. and 16 ... BP xR to 17 NxQP R-R2 18 NxB+ and 19 Q-B8+ etc. Now Black's days are over. 16 ... P-QR4 17 Q xQP + QxQ 18 NxQ PxR 19NxB + K-Q2 20 N-B5 + K-Q3 21N-K4+ K-Q2 22 B-N4+ K-Kl 23 B-N5 R-R3 24 B-K6 R-N3 25 P-QN3 N-Q2 26B-K3R-N5 27 N-Q6 + K-K2 28 N-B7 1-0

Savon-Liberzon 37th USSR Ch 1969

13N-Q5! PxN

16 Q-R5 (to prevent castling) followed by R-B3 and R/3-K3.

15Q-K3 NxP

17 P-B5 trapping the light squared bishop.

17 BxB NxB

19P-KR3 BxRP 20 PxB P-Q4

21Q-R4 K-Bl

Has Black weathered the storm? 23 P-B6! No. His king is still under fire. 23...PXP 24 K-Rl N/3-B1 25 R-K3 Q-Q3 26 R/3-B3 K-Kl 27 RxP RxR 28 RxR Q-K4 29 R-Bl N-Q3 30 N-B3 QxP 31 R-Kl R-R2 32 Q-KB4 R-Q2 33 N-K5 Q B6 34 R-KB1 R-B2 35 Q-B6 N/2-B1 36 R-KN1 K-Bl 37 K-R2 Q-Q7+ 38 R-N2 Q-K6 39 B-R7 1-0 (time).

Konstantinopolsky-Gilman USSR Corres Ch 1949/50

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