rShelbyLymanOnchessLBeginner's corner — hint explanation: A coup de grace by the queen.87654321a b c d e f g hWHITE MATES IN 3The upcoming world championship match between Garry Kasparov and Nigel Short— begining Sept. 7 at the Savoy Theatre in London — is likely to be a media bonanza.Press interest and prematch coverage have alreadybeen substantial. England’s Channel 4 has the rights to 60 hours of coverage. The contest could extend as long as 24 games or eight weeks. Kasparov is expected to win in 18 or 20 games if previous results have their usualpredictive value.Because single playing sessions will extend up to six hours when necessary (previous world championships had a five-hour limit), there will be few if any adjournments. And a 3:30 p.m. starting time will guarantee a reportable result for evening news.Count on the London Times,sponsor of the event, to offer extensive if not partisan coverage. The Times is the flagship paper of Rupert Murdock's media colossus NewsInternational, also good guys to have in your corner from awpublic relations standpoint.Meanwhile, the World Chess Federation is planningto hold its own version of theworld championship featuring ex-champion Anatoly Karpovof Russia and the Dutch grandmaster Jan Timman.Which match is the “real world championship?For the chess aficionado, interest will be directed towardKasparov-Short. Kasparovhas worn the mantle of World Champion for eight years.And Short , who defeated both Karpov and Timman in qualifying matches during the lastyear, is a deserving challenger.Kasparov plays wonderfullyexciting chess. Almost any ofhis games are a prodigiousbanquet for lovers of chess. Below is a famous game from the 1984-85 title match which he won to become champion.AKasparovKarpov1.d4Nf62.c4e63.Nc3Bb44.Nf30-05.Bg5c56.e3cxd47.exd4h68.Bb4d59.Rc1dxc410.Bxc4Nc611.0-0Be712.Re1b613.a3Bb714.Bg3Rc815.Ba2Bd616.d5Nxd517.Nxd5Bxg318. hxg3exd519.Bxd5Qf620.Qa4R(f)d821.R(c)d1Rd722.Qg4R(c)d8??23.Qxd7!Rxd724.Re8chKh725.Be4chBlack resigns (a)Note (a): If 25.... g6, then 26. Rxd7 Ba6 27. Bxc6 getting another piece (27.... Qxc6 allows 28. Rxf2 mate).AFTER 22 ...Rcd8?Karpov87654321a b c d e f g hKasparovWHITE TO PLAY(See text 4 game score)Solution to beginner’s corner: 1. Rf8ch! Qxf8. 2. Rxf8ch Rxf8 3. Qxg6 mate! (Morphy-Amateur 1857).