deep strategy, as we see, and would have succeeded against a less alert opponent.

23 PxP KtxP

24 BxB KxB

25 KtxKt RxKt

Lundin i


White's strategy has also been far-sighted. He has weakened the black squares in Black's castled position somewhat, and he has prepared the attack very well. The idea of 21 K-B2 was to forestall a possible attack by Black,, and at the same time to centralize in the event of . . . Q-B4ch; Q-K3, QxQch; KxQ etc. In such an ending Black's Q side Ps would be very weak.

Another proof of how well White understands the position. The material-minded 27 R-Rl? would be very risky: 27 . . . Q-Kt3ch; 28 Q-K3? RxPch! 29 BxR, R-Q7ch etc.

28 P-QKt4 Kt-R4

Forced; if 30 . . . Q-Kt3ch; 31 P-B5, QRxP; 32 PxR, RxP; 33 Q-Q4, R-B7ch; 34 K-K3 and wins.

Not 31 P-Kt4, R-K7ch; 32 BxR, Q-Kt(>ch; 33 K-B'l, Kt-B5; 34 R-KKtl, R-R8; 35 Q-Kt3, Q-Kt7ch etc.

32 RxR

33 R-R1ch

34 P-Kt3

35 QxKt

Kt-B5 KxR K-Kt1 KtxBch P-B4

At last Black's weaknesses begin to tell.

37 Q-Q8ch QxQ

38 RxQch K-B2

Black is lost. He cannot meet the winning threat of P-B6, for if 40 . . . R-Q4; 41 RxR,

41 P-B4

42 PxBP



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