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ChesswfCeiral control turns the trickeis, ,iom cf strategic ,An °:oe stated in this play m|f|ank attack willnvn tt •wav:probal,iot succeed if thes not controlled by 1L ,.er or neutralized.”the f , ,» following game wecentdIf.Ck, the talented youngS £*f'n master Jan Smejkal of joslovakia, challenge(assumption and fail. His /onent, former world cham-jn Tigran Petrosian, consider d by many to be Bobby Fisher’s main threat, bluntsSmeikal’s kingside attack by active play in the center.Oitgr«n 0BLACKbO NO 80 0 X 9* HX dX00 ONK KB KN KOAMITEtakenOur first position, from the early middle game, shows v^iite, Petrosian, to have at best a minimal edge.Smejkal now launches hissingleminded assault againstPetrosian’s king, while Petro-mate threats. Petrosian coun(Oiagram 4)ters by a creating an lated”ttsian takes a free hand in thecenter. With moves 1-8, Smej-iso-queen pawn throughexchanging pawns and b) initiating an attack on the pawn on the queen file with 8)Q-Q2.SLACKBut his attack is spent. White was able to win with his ex-bO NO 90 0 X 9X NX dXkal a) opens the king rookfile bv exchanging rook(Diagram 21BLACKdO NO 00 O X t* NX bXtra pawn 32 moves later (albeit the win was problematic).over the flank attack. Petrosinn’s centralized bishop and then queen controlled his key KN2 and KR1 ‘-quares when it was necessary, while he pursued his own designs in the center.{Moves bft!ow moves pi wed from digram one to diagram four.)OR ON 08 Q K KB KN KP°#tro a(White)1~2---N-K3 3 -R-QB1WHITL4 -R PxPeven more effective than the bishop in watching the flank.Our last position shows the game after move 20. SmejkalCW ON 08 O K KB KN KBhas been able to use his concentrated force aeninst ’heWHITEking and finally win back oneof the two pawns b°‘s lost.6v 8-9 )0 11 V2131415 16-l718-19-*90-P-S 5 B-N2rWPQ-Q?K R -Q1NxO P -BxB xN 83 Ox BP K B1 Q-K1RyRO-NlP-B3(B»ack)P-K R 4P-R5PxPR-KR1P K3R-R4Pxn QR-Rft P 04 B/NQ-R6P x Bk m0 R 7R QR1 P*R Q-R8Q-Q4R K1OxRrnovriaht 1*73 by Shnlby LymanThe position after move eight is given in diagram two. We see the beginning of a classic example of flank vs. central attack. Can white’saction in the center compen-s a t e for black’s mating threats on the king rook file?ONCE-IN-A-UFETotAQraw•LACKSm#jk*BO NO 80 O X 8X NXpawns and b) posts his rookson that file as he preparesov oiK K8 KN
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Pomona Progress Bulletin
Pomona, California, US
Sun, Oct 21, 1973
Page 7
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