English rules OK ., THE COMMONWEALTH struck. generally plays the opening with some back at the eighth Dortmund Inter• precision but here he has fallen behind national tournament in West Ger• in development. many. Despite an inauspicious st-art (I 12 .... dXc4 scored only half a point in the first 13. 8Xc4 o-o three rounds!) the English-speaking 14.Bd3 8Xd3 15. QXd3 Nf8 contingent eventually triumphed as 18. 0-0 Rael British , 17. Rc2 Ne4 came first on 7½ out of 11 and I was 18.h3 Qd7 clear second 011 seven points. 19.Rbt Re8 Fide rankings had indicated a The first signs of the coming kingside pretty even field, with the favourites storm appear. It is instructiye to see being Heikki Westerinen of Finland how Cuartas manages to convert his and of course any representatives slight edge into a fully-fledged attack. from Eastern Europe. But it was soon 20. Be1 Rfel apparent that Heikki was horribly off 21. Nd2 Nf8 22.a4 Nd5 form, and the challenge from Hungar• 23.Rcb2 b8 ian Ferenc Portisch (brother of super• 24. Nf1 Nf4I star Lajos) · (altered after his 25. Qd1 annihilation in round eight by Carlos If 25.eXf4 then 25 .... RXel. Cuartas, · a former coffee house CUARTAS owner from Colombia. Thus Keene, following my advice to not think so much (!), played quickly and confidently· to score one of the finest results of his career. My two losses at the start really put paid to any chances of a second grand• master norm, but I was pleased to score 75 per cent against the Grand• masters present, and regard my win with Black against Westerineri as one of my best ever games. Here is Cuartas's win over Portisch. F. PORTISCH QUEEN'S GAMBIT 25 .... NXh3 chi F. PORTISCH C.CUARTAS 28. gXh3 (Hungary) (Colombia) Rg8ch 27. Ng3 QXh3 1. d4 dS 28. Qf3 h5 2.c4 Bf5 ?I '29.e4 h4 This is a rather forthright attempt· 30 .. es. by Black to get his queen's bishop into White appears to have weathered the the game, .rather than shut it oui of the worst (30 ... hXg3 31.jXg3) but Cuartas action as is usual with 2 ... e6. Against finds a fine· combination to clinch. vic• the. stereotyped development: 'that Por• tory. tisch now adopts the system is Pf!rfectly 30.... RXe5I sensible, but more testing would be now 31. dxes Bes 3.cXd5!? BXbl (3 ... QXd5 4.Nc3 wins 32. Resigns tempi} 4.Qa4 ch Qd7 5.QXd7 ch In spite of his two extra pieces Por• NXd7 6. RXbl with an advantageous tisen ispowerless against the threats on endgame because of the bishop pair. g3, eg 32.Qgl RXg3! 33.QXg3 QXg3 3. Nc3 ·e& ch 34.Kfl QXe5 with a decisive mater• 4. Nf3 c6 ial advantage. 5. e3 Nf8 6. Be2 Bd6 7. Qb3 Qc7 8. Bd2 Ne4 9. Rc1 NXc3 10. bXc3 . Nd7 11. exes eXdS 12. c4 Ferenc Portisch, like brother Lajos,

Bellon v Keene, round eight. In this position the tournament winner ( Black, to move) found a dramatic way to ex• ploit his positional advantage. Keene played I...BXj3! 2.KXJ3 (2.BXJ3 Nd3 ch wins- White's queen) 2 ... NXe4 and Bellon· had no way toavoid losing mat• erial Jo a discovered check, the game ending 3.BXh6 gXh6 4.Rg6 RXg6 ch ~ 5.jXg6 ch Kg7 6.Bdl Nc5 chZ'Resigns. ~ . ' :? Carlos Cuartas of Colombia. MURRAY CHANDLER