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First played by Fairhurst against Reshevsky at Hastings,. 1937. It gives White excellent attacking chances.

If . . . KtxP; 13 P-Q5! or . . . BxP; 13 Kt-K5! and in either case White's superior development will tell.

13 KtxQP B-B4

In the game referred - to, Fairhurst played 14 Kt-Kt3f, O-O; 1.5 KtxB, KtxKt; 16 B-K3, with advantage, as the pin of the Kt proved serious. The text is less forceful.

Now the Pawn can be taken, but if 15 P-B3, Kt-KI ; 16 B-Kt3, B-R3 and White is in difficulties. If 15 P-R5, QxP; 16 Kt-Kt3 (or 16 Kt-QB3, Q-B2; 17 QKt-Kt5, Q-Kt3), Q-B2; 17 KtxB, KtxKt, and White has little to show for the Pawn,

16 Kt(1)-Kt3 BxKt

17 BxB Q-Kt1

Probably stronger was 18 Kt-B5, KtxKt; 19 BxKt, R-Bl (if 19 . . . R-Ql; 20 RxRch, QxR; 21 BxKtP); 20 B-Q6, and the Queen may get into (rouble.

19 Kt-B5 KtxKt

20 BxQKt R-B1

Now the Q file is blocked, and if 21 BxKtP, P-QR3 wins.

If 23 RxRch, RxR; 24 BxP, QxQ; 25 BxQ, R-B7 regains the Pawn. Or 23 BxP, RxR! 24 RxR (if 24 QxQ, RxRch: 25 B-Bl, B-B5, with more than equivalent for the Queen), Q-Ktl; 25 P-B4, QxBP with a winning game.

26 RxR Kt-Q4 31 R-K2 RxR

As it turns out, the ending cannot be won, despite the Pawn ahead, in view of the strength of White's Bishops. But it is difficult for Black to make any headway without exchanging.

32 QxR Q-B7

33 QxQ BxQ

If 35 . . . Kt-Kt3; 36 B-B7, KtxP; 37 BxKt, BxB; 38 BxP, and will draw with opposite colored Bishops. Or 36 . . . BxP; 37 BxKt, BxB; 38 BxP, with the same position.

But this is inaccurate, and loses. Correct was 36 B-B5,. to be followed by B-B6—BxKi and B-Kt.6.

The point. Black can retain the Pawn plus, without allowing opposite colored Bishops.

38 B-Kt5 KtxP

39 BxP BxP

39 . . . P-Kt6 is tempting, but after 10 K-K2, Kt-Q8; 41 K-Q2, B-B4; 42 B B3! P-Kt7; 43 BxP, KtxB; 44 P-R5! White will have the winning chances.

40 BxB?

This was White's last chance. 40 B-K2! B-Q2 ( . . . P-Kt6? 41 B-B3, Kt-QSch; 42 BxKt, P-Kt7; 42 BxP, and draws); 41 BxP.

41 BxP Kt-Kt3

The following ending is Quite instructive. Black must obtain a passed Pawn, and keep at least one other Pawn in order to win. The superior defensive power of the Bishop increases the difficulty.

42 P-B4

43 B.Q2

44 P-Kt4

45 PxP

46 K-B3

47 P-R5

K-K3 Kt-B3

win the RP without losing his KP, and the latter alone cannot be forced through.

48 PxP PxP

49 B-Kt5 Kt-Q2

50 K-K4 Kt-B4ch

The plan is to play the Kt to QB5. If then K-Q3. P-K5ch; K-B3, Kt-K4; PKt5, Kt-B6. followed by K-K3 and K-B4. Or after . . . Kt-QB5; if K-KB3, K-Q5. and the KP can soon advance. There is no defense to this maneuver.

53 B-B6 Kt-Kt7

Hoping for K-R4 and K-Kt.5, but this is easily thwarted.

57 K-R4 Kt-B6ch

59 B-B5ch K-K7

More accurate was . . . Kt-Q5, and if 60 K-R4, K-B5.

The proper square lor the king. If 60 . . . P-K5; 61 K-B4, P-K6; 62 B-B5, P-Kt4ch; 63 K-K4, Kt-Q7ch; 64 K-B5 draws. Or 60 . . . P-Kt4; 61 B-K7, P-K5; 62 B-B6, P-K6; 63 K-Kt2,. and Black is in practical "zugzwang".

62 B-Kt6ch Kt-Q5

If 63 K-R4, K-Q6; 64 K-Kt5, P-K6; 65 KxP, P-K7; 66 B-R5, Kt-B6, followed by Kt-Q7 wins. This plan is a constant threat in the coming play:

65 B-R5 Kt-K3ch

Forcing the King back, or winning the second Pawn. But a simpler win was P-K7; 66 B-Kl (if 66 K-K5, Kt-B6ch; and Kt-Q7 again), Kt-B7; 67 B-B2, P-Q8(Q); 68 BxQ, KtxB; 69 K-K5, Kt-Kt7; 70 K-B6, Kt-R5.

66 K-K5 KtxP

The key square. White's reply is forced.

If . . . PxP; 48 PxP, K-B4; 49 P-R6, the game could not be won, as Black could never

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