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Hartman Lecture and Simultaneous Brantford Sept 22 7pm
Re: Hartman Lecture and Simultaneous Brantford Sept 22 7pm
The lecture and simul went well. I don't have all the specifics in from of me, but if memory serves, Adam Cormier, Lee Hendon and Kari Nurmi defeated Brian. I don't have the exact number that Brian won, but I think it was 12 or 13--no draws.
The lecture was based on a Sozin Sicilian idea that Brian had fleshed out in the mid-eighties that gained him a few points and was largely detailed in a game from Nick DeFirmian and ??-->old age memory lapse.
Hongyi Li was the only out-of-towner that came, but we look forward to doing this again in the future.
Re: Hartman Lecture and Simultaneous Brantford Sept 22 7pm
Thanks Rob - it was an enjoyable evening. I was especially impressed with some of the younger players, and it was good meeting Peter Nurmi's brother Kari - I last played Peter in 1978-9 in one of his last events (the game was drawn).
I was intending to review my win versus GM Y. Grunfeld from Ohio 1985 in the money round, but I couldnt find my informant for that period. Thus, the compromise was to discuss the game from GM Byrne's column (see below), where Byrne mentioned part of the notes from the Informant I published. This was from an opening analysis conducted with Frank Pushkedra around 1981. The theory prior indicated Black won after 15...QB2 (Qc7), which this overturned. To Byrne's note that 15...RR2 (Ra7) needed to be played, I had several games in the 1980s showing play for White on the Black squares after 16.Nf5-xe7+, Ne4, etc., though it is unclear White has sufficient compensation for the pawn.
CHESS;
DOWN THE DRAIN
By ROBERT BYRNE
Published: October 6, 1985
There is nothing so discouraging for one's overall result in a tournament as to play a good game early and later have the point taken away from you. That happens when an opponent gets sick and cannot finish the competition. Under the rules of the International Chess Federation, if a player must drop out before completing half his schedule, none of his games count.
Thus, when the Tunisian international master Slim Bouaziz became ill and had to quit the Gammarth, Tunisia, Interzonal Tournament after only six of the 17 rounds, he deprived the Oakland, Calif., international master Nick DeFirmian of the fruits of a nice fourth-round victory.
The development with 6 B-QB4 was Bobby Fischer's favorite when confronted with his favorite Najdorf variation of the Sicilian Defense. The basic strategy is to provoke 6 ... P-K3 and then attack the black KP by P-B4 and P-B5. But it was Fischer himself who produced the chief antidotes to this.
When DeFirmian had White in a later game in this tournament against Viktor Gavrikov, he tried the hyperaggressive 8 P-N4!?, P-R3; 9 B-K3, N-B3; 10 R-KN1, but without success.
Why didn't Bouaziz play 10 P-B5 and attempt to carry out the main rubric? Because, as Fischer had shown, 10 ... P-K4; 11 N/4-K2, B-N2; 12 N-N3, QN-Q2; 13 B-N5, R-B1 is more than adequate for Black because his latent pressure on the QB file will make it impossible for White to establish secure control of the key Q5 square. So attention in recent years has shifted to the alternative attack with 10 P-K5.
One of the remarkable points of the gambit that Bouaziz adopted with 12 B-K3 was that 12 ... Q-B2 can be met by 13 RxP!, RxR; 14 NxKP, QxP; 15 B-Q4, Q-KB4; 16 NxKNP, Q-B5; 17 N-K2!, Q-K5; 18 Q-KB1, B-B3; 19 BxB, NxB; 20 QxN, Q-K6ch; 21 K-R1, QxB; 22 Q-N5, P-R3; 23 Q-N6, QxNP; 24 N-K6ch, K-R1; 25 R-Q1!, Q-B3; 26 R-Q8ch, QxR; 27 NxQ, R-B8ch; 28 N-N1, R-R2; 29 Q-K8ch, K-R2; 30 Q-K5, R-Q2; 31 N-K6, with advantage to White, as shown by the British grandmaster John Nunn.
After 14 ... PxB, White might have tried 15 Q-B3 because 15 ... Q-B2? can be refuted by 16 QxR, B-N2; 17 Q-R7, B-B4; 18 NxKP!, Q-B3; 19 N-Q5!, BxQ (or 19 ... QxN/4; 20 N-B4!); 20 N-K7ch, K-R1; 21 NxQ, BxBch; 22 K-R1, BxN; 23 NxR, K-N1; 24 QR-Q1, B-N3; 25 NxP, KxN; 26 RxP, with clear superiority for White, according to the analysis by Brian Hartman of Canada. Yet the question would remain what White could do against the cool 15 ... R-R2.
On 16 R-B3, White threatened 17 R-R3, P-R3; 18 BxP!, thus necessitating 16 ... P-N3.
After 17 Q-R6, the only move previously played was 17 ... P-B4, which allows 18 NxBP!?, KPxN; 19 N-Q5, Q-N2; 20 B-Q4, B-N4; 21 QxB, QxN; 22 Q-K7, R-B2; 23 Q-K8ch, with perpetual check, as in the Inkjov-Lukov game, Sofia 1983.
But DeFirmian was ready with the innovative 17 ... P-B3!, which seems to ruin White's hopes. However, on 18 N-K4, P-K4; 19 R-N3, it would have been wrong to play 19 ... R-B2, since 20 RxPch, PxR; 21 QxPch, R-N2 (21 ... K-B1; 22 B-R6ch, K-K1; 23 Q-N8ch, B-B1; 24 BxB, RxB; 25 NxPch, K-K2; 26 N-Q5ch wins for White); 22 Q-K8ch, K-R2; 23 Q-R5ch creates perpetual check.
On 19 ... B-Q1, Bouaziz made a violent effort to get an attack through with 20 N-K6, BxN; 21 RxPch (neither would he have succeeded with 21 RxB, RxR; 22 RxPch, K-R1; 23 RxP, B-N1), PxR; 22 RxB, but with 22 ... Q-KN2! DeFirmian destroyed whatever chances the Tunisian might have looked for.
After 23 NxPch, K-B2!, White could not avoid damaging simplification. Yet Bouaziz stubbornly played on until 31 ... R-KB1, with its forcing 32 BxR, QxB; 33 QxQ, NxQ, persuaded him to give up.
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Hartman Lecture and Simultaneous Brantford Sept 22 7pm
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