White can=avoidr weakening his b4 However.' after 27 ... Rc2 28.Bf3! the square with 7.aJ and if 7 . . . a4 then ' barricade will get the chop if ever it ar• 8.b4. However, Dorfman now embarks rives on h5, and Black is hard pressed to on a rather curious development with stop White's mating machine of Bg4, Little orphan his knights. · Kg2 and Rh/. . 7. . . . , Ne7 (?I). 28. Rad1 Nc7 8, t4 Nd7 29, Bf31 Andronico 9. Bg2 h5? DORFMAN An inexplicable weakening of makes good Black's king position, as becomes - (\\) apparent later on. Strangely Raymond· SUCCESSFUL tournaments on. this year's second Asian Grandmasters Keene in the Icelandic magazine Circuit have already concluded in In• does not query Dor/man's opening play donesia and the Philippines, with the at all, considering that he makes his third. leg in Brisbane soon to begin. In fatal mistake later on. But surely it is Indonesia, which has an estimated illogical to play this weakening pawn move and follow it up by king• two million active chess players, the 'side. · I I -player field was topped by Soviet 10. 0-0 Nf5 Grandmasters Yosef ·Dorfman and 11. c4 c8 Yuri Averbakh, along with Filipino 12. cxds exes GM , on 6V2/IO. In 13. Re1 Bc5 YAP fourth place, half a point back, was DORFMAN English GM Raymond Keene. A brilliant idea by young Yap. White The second leg in Manila was ex• offers his entire queenside in order to panded and strengthened by the addi• double up on the h-file with queen and tion of Ruben Rodrigues of the rook. This is just the sort of dynamic Philippines and Fridrik Olafsson, the way a youngster should face a Grand• master. new president of Fide (the interna• 29. NXb5 tional chess federation). He took the 30. aXb5 QXbS opportunity to play while in the 31. Bg4 OXb3 country to do some post-mortem 32. BXfS exts· checking · on the positioning of 33. Kg2 Rc2 assorted gurus during last - year's 34. Qh4 Karpov-Korchnoi world champion• Threatening 34.Rhl. which last move ship encounter. This may not be en• would have failed to 34 ... RXj2ch tirely unconnected with Viktor YAP 35.KX/2 Rc2ch etc. Korchnoi's present court case against 14. d4 34. . . . Qb2 Fide, in which a Dutch court has now 14. BXd5!? is highly unclear, eg 35. Rb11 said it has the right to decide whether 14 ... Qb6 15.Qf3, protecting j2 and Again 35.Rhl is too early due to - Korchnoi was being disturbed by a stopping . . . NXg3. If then 15 . . . 35 ... RXj2ch 36.RX/2 Rc2. Now Dorf• Soviet psychologist during the match. 0-0-0 16.Be4 and White is a pawn up man goes astray in the complications - Few gurus turned up at this Manila with Black's king more exposed. it is1 imperative to maintain this threat tournament however, and Torre Perhaps instead of 14 .... Qb6, 14 by 35 ... Qa2. Yap's best might then well scored a fine victory on 10/13 in . . . Nf6"!?" is the move. But after be 36.Ral Qb2 37.Rabl with a by front of his home crowd, a point clear 15.BXb7 BX/2 ch /6. KX/2 Qb6ch 17. repetition. of Keene, Dorfman and A verbakh. Kg2! QXb7ch 18. Qf3 White seems to 35. . . . QXd4? But the most amazing performance . have wriggled out with his extra mater• 38. RXb7 came from. a 17-year-old Filipino, ial, even if he has to go into con• No doubt Dorfman had calculated a Andronico Yap, an orphan who lives tortions to hold - it after 18 . .. . 'long way in advance that 36.Rhl loses with Florencio Carnpomanes, the QXJ3 ch 19.KXJ3 Rb8 20.RaJ!? to 36 ... Qe4 ch, but he must have under• tournament organiser and ~eputy Black can use this idea in his ori• estimated the seriousness of White's president of Fide. Yap was meant to ginal line with 14 ... Qb6 15.Q/3 other rook entering the fray. His at• be a steward helping with the demon• Nf6!? but again 16.BXbl · BXJ2ch tempted defence along the black squares stration boards, but was suddenly 17.QX/2 QXb7 /8.Qg2! defends sue• 1s neatly quashed by Yap. thrown into the tourna• cessfully. 36~ . . g8 ment when one participant did not ar• 14 •.•. Bb4 37. Rbe71 Rt8 rive. He proceeded- to score six. wins - 15. Bc3 Nf8 Black had to prevent 38.Re8 mating, 18. Qd3 0-0 and no_w, with Yap's next move, Dorf• - including one over Dorfman! - 11. Na3 BXc3 six losses and only one draw. 18. Q~.c3 Rc8 man's vital defensive resource of ... Qg7 My recollection' of Yap from play• 19. Qd3 Qb8 is eliminated. ing him· both in the Asian junior 20. Nb5 Ac8 DORFMAN championship in Baguio and in the Dorfman intends to double rooks, world junior championship in claiming possession of the only open Innsbruck was of a trappy tactical - file. In what looks like a desperate player. H seems from the following attempt at counter-play Yap begins ad• game that he hasn't changed a bit! vancing his kingside pawns, but the at• NIMZOVICH-LARSEN ATTACK tack is deceptively strong! A. YAP Y. . DORFMAN 21. Bt3 Rtc8 1. b3 d5 22. g4 hXg4 2. Bb2 Bg4 23. hXg4 Nh4 24. Bh11 Qd8 . An interesting attempt to inhibit 24 ... NXg4· would lose a knight to White's standard development schemas, 25,Qg3. 3. h3 Bh5 25. g5 Ne8 4. Nf3 8Xf3 YAP 5. eXf3 28. Qg3 . 38. R(7)e51 Capturing towards the centre with 26.Nal, forking the two rooks, is of 5.gXJJ also leads to a novel position. I course met by 26 ... RcJ attacking Now there is no defence to 39.Rhl . have always -believed that these situa• White's queen. Dorfman gives up his queen in desper• ., 28 .. · .. Nf5 at ion. tions with a glut of pawns · in the 27. Qh2. Qb8 (?I) centre, or on the wing, !five more 38 .•.. oxes . 'Keene considers this the turning point 39. rxes Rc4 dangerous attacking prospects than is - of the game and believes Black still to 40. Qh8 Rg4 ch generally recognised. 41. Kf3 Resigns be winning after 27 Rc2, followed, if 5. e6 necessary, by ... g6, Neg?, and ... Nh5 &. g3 as MUR_RA y CHANDLER . 1: a4 "barricading the h-file".

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