White now turns his positional advantage to account in incisive fashion:

37 Kt-Kt5ch K-Kt1

39 Kt-K6 PxP

40 PxP B-Q3

42 B-R5

43 P-B6

44 B-K7

45 Kt-Q8

46 BxKt

47 B-K7

Kt-Q3 Kt-KB2 Kt-B2 KtxKt B-Q3 Resigns

Two Middle Game Studies

By Lajos Steiner Amsterdam, 1936 Euwe


(White to move)

I have wondered why none of the critics considered the possibility of 31 Q-QR3 here. This move frees White's Q from the danger of . . . Kt-B7eh and also threatens Kt-Q6.

31 . . . R-KB1 does not seem to be a good answer because of

32 Kt-K3

33 RxKt

34 R-KB1

35 KtxQ

36 K-Kt2

37 QxP

38 K-B3

Kt-B7ch QxR QxRch RxKtch R-B5 RxPch

And the Queen, supported by the passed Pawn, seems to be of more value than the disconnected Rooks.

Black's best reply to 31 Q-QR3 is perhaps 31 . . . Q-B2 or 31 . . . Q-Q2, with a view to endeavoring to break up White's center with . . . P-B4 —the only move which can make Black's Rooks mobile. But after either of the Queen moves, Alekhine's idea of a K side attack could be pursued with great force, e. g.:

Variation 1

33 P-Kt5 RPxP

34 RPxP P-KKt3

Black is in great difficulties; the chief threat was Q-R3ch followed by P-Kt6.

35 Q-R3ch Q-R2

And Black has no adequate defense against R-R4.

The same plan could be followed after 31 . . . Q-Q2:

Variation II

31 Q-QR3

32 P-R4

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