Pq Pq Pqb Pqb Nkb Nkb Nb Pk Pk

1 6 B-Q3 2 P x P 7 B x BP P-QN4 8 B-Q3 2 B-N2 1 9 P-K4 7 P-N5 1 10 N-QR4 3 P-B4 1 11 P-K5 N-Q4 Following the game Ivkov-Larsen, Candidates ¿-final, Bled 1965. 12 PxP 4 NxBP 4 13 NxN

2 B x N Larsen in the afore-men-tioned match (both in the fourth and sixth games) exchanged his dark-squared bishop, retaining the two knights. 14 0-0 1 P-KR3 1 15 Q-K2 4 Q-N3 9 16 B-Q2 13 K-Bl 13 17 QR-B1 12 R-Ql 35 18 R-B2 27P-N38 (344)

Both the advance of Black's KRP and KNP and the king manoeuvre . . . K-B1-N2 are to be found in the Danish grandmaster's analysis. 19 Rl-Bl 1 B-K2 20 B-QB4 10 R-Bl 22 21 BxN 9 RxR 3 22 RxR BxB 23 R-B8+ K-N2 24 RxR K xR 25 B xRP Q-B2 2 26 P-QN3 5 Q-B6 6 27 P-KR4 3 P-R4 17 28 B-N5 24 BxN 2 29 QxB 1 BxB2 30PxB Q-K8 + 31 K-R2 2 QxKP + 1 32 Q-N3 2 Q-N7 33 Q-N8+ K-N2 34 P-B4 1 QxRP 3 35 Q-K5+ 4 4-4 2.27 - 2.17

2914 Paul Keres-AK:

R14: 21 October:

Queen's Indian

1 P-Q4 N-KB3 2 P-QB4 1 P-K3 3 N-KB3 3 P-QN3 1 4 P-KN3 1 B-N2 5 B-N2 B-K2 16 0-0 10-0 7 N-B3 3 N-K5 1 8 Q-B2 3 N xN 9 Q x N P-QB4 2 10 R-Ql 4 P-Q3 2 11 Q-B2 9 N-B3 8 12 PxP 30

Keres was probably mulling over the alternatives: 12 P-K3 and 12 B-K3 P x P (12 ... Q-B2 13 QR-B1 P-K4 14 PxKP PxP 15 N-Kl N-Q5 4-4 O'Kelly-Mecking, Buenos Aires 1970) 13 NxP NxN 14 BxN BxB 15 KxB Q-B2 16 Q-Q3 QR-B1 17 P-N3 Q-B3+ 18 Q-KB3 QxQ+ 19 KxQ KR-Q1 with an equal ending, Smyslov-Reshevsky, Buenos Aires 1970.

12 . . . NPxP 13 P-N3 (345) diverging from theory - 13 B-B4 R-Nl 14 R-Q2! and not 14 P-QR3? Podgayets-Korchnoi, USSR 1969.

13 ... P-QR4 11 14 B-N2 Q B2 15 Q B3 3 B-B3 1 16 Q Q2 1 BxB 1 17 QxB P-R5 1 18 P-K3 5 P-R3 6 19R-Q24PxP2 20PxPRxR+ 21 QxR R-Rl 1 22 R-R2 1 RxR 2 23 QxRi-i 1.10-0.50

2915 AK-Karen Grigorian:

Semi-Tarrasch

1 N-KB3 P-QB4 2 P-B4 5 N-KB3 1 3 N-B3 1 P-Q4 1 4 P xP N xP 1 5 P-Q4 1 P-K3 1 6 P-K4 1 NxN 1 7 PxN PxP 2 8 PxP N-B3 2 9 B-QB4 B-N5+ 5 10 B-Q2 Q-R4 43 11 P-Q5 14 if 11 R-QN1 then 11 . . . BxB+ 12 QxB K-K2 with . . . R-Ql to follow 11 . . . BxB+ 3 12 NxB 3 or 12 QxB QxQ+ 13 KxQ N-R4 14B-N5 + K-K2 15KR-QB1 P-QR3 16 B-Q3 B-Q2= 12 . . . N-K2! 32 Other moves are weaker: 12 . . . N-Q5 13 0-0 0-0 14 N-N3 NxN 15 PxN and 16 P-Q6 or 12 . . . PxP 13 PxP N-K2 14 Q-K2. 13 0-0 5 PxP 14 PxP 1 0-0 2 15 R-Kl 9 N-B4 6 16 B-N3 5 N-Q3 2 17 N-K4 Q-N51 18 (346)

18 Q-B3 62 R-Kl 5 19 P-QR3 2 Q-R4 20 R-K3 1 NxN 21 RxN RxR 22 QxR 1 B-Q2 1 23 P-R3 Q-B6 4 24 Q-Nl! 1 Q-B4 if 24 . . . R-Kl then 25 Q-Ql followed by 26 R-Bl and 27 P-Q6 is very strong. 25 B-B2 1 QxQP 26 BxP+ 1 K-Rl 27 B-K4 2 Q-Q5 28 R-R2 R-Kl 5 29 BxP 3 R-QN1 8 30 Q-K4 11 Q-Q8+ 31 K-R2 B-K3 32 R-N2 Q-Q3+ 1 33 P-N3 1 Q X RP 34 Q-K5 2 R-Ql 35 B-K4 1 K-Nl 36 R-N8 2 Q-K2 1 37 P-R4 3 P-R4 38 Q-R5 P-B4 39 RxR+ 4QxR 1 40BxP2BxB 3 41 QxB (347) 347 B\.

41 . . . P-R5 the sealed move 42 Q-B2 Q-R4 i-i 2.40 - 2.40

2916 AK-Naum Rashkovsky:

R16: 24 + 25 October: Benoni

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