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bheiuy l,\man on ChessCheckmate a ‘brutal bludgeonorsubtleeconomyIA’though checkmates sometimes have» massively brutal quality, at otherUrges they demonstrate a beguilinglysfcbtle hand. The defeated player can be overcome bv the charge of pieces, as bya series of bludgeon blows. Or the denouement can be an exercise in striking piece coordination and economy.Among the elements that heighten es-t h e t i c satisfaction are self-blocking moves made by the defender forced totighten the death net cast over his ownking. The blocking move is usually induced by the use of direct force by the attacker. More often than not, the use ofthe “stick” takes the form of a sacrifice of material.(Dtogrom 11IlLVCK(Diogrom 21BLACKx nxx□ ^ xXV V\V□L 1nX n5 9b8X NX XX(Diogrom 31BLACKX N5 $ x 9X NX XXQR QN QBKB KN KR* mu;QR QN QB Q K KB KN KR^ IIITEQR QN QB Q K KB KN KR*HITEDiagram 1An elementary example of the self-blocking motif is given in our first position. Can you find the move that forces mate? As you may observe, black hastwo immediate mating tries but they both are immediately thwarted. That is, Q-R3 check fails because black has theescape square at K2, while QxBP wouldmate if the white queen at QB2 could beneutralized. The thunderbolt at black’sdfsnosal is P-K7 check, which immediately cuts off the influence of the white n«een on his KB2 square. If 2) K-Nl then QXP check and mate next move. If 2) *!K1, BxP check does the trick, White’s other try. QxP. is the self-blocking “sea-Blcck motes with finess*.Block motes with brutal finess'Whit* uses the simplest of means.The environmentZion nuclear plant ‘power play’ to continueby LEA TONKINAEC advisory committee, denied access to information to intervenors in the caselir pollution. The hearings are slated the Illinois Pollution Control Board tcPOWER PLAY ISN’T over yet: Com- and approved Unit No. 2 before it was begin Oct. 30 at Chicago Circlemonwealth Edison Co. gained approval completed, for a full-power license at its mammothler”; for he immediately succumbs to Zion nuclear generating station, but we’llthe University of Illinois, followed by hearings on Nov. 7 at Rockford, Nov. 13Springfield, and Nov. 27 at the Metro-been blocked. see at least one more round in the CLEANER AIR WEEK is coming up Sanitary District Building in ChiDiagram 2Position two features a mate in three.dramaticlengthy licensing battle. Following the O**- 14-20* observed by the Illinois Lung cag0 ^11 sessions beginrecent announcement of approval by the Association and other groups. It’s an airAtomic Safety and Licensing Board of conservation effort aimed at assessing Proposed regulations outline permit re-winning move for black is 1 ... Q-B8, the Atomic Energy Commission, inter- and publicizing pollution problems.b’ock), R-Icheckmate.followscheck.venors in the case promised to appeal the decision in Washington.quirements to be issued by the state Environmental Protection Agency for ma-YOU’RE INVITED to participate in jor developments. Persons wishing topublic hearings to consider proposed testify at the hearings should contact LenDiagram 3Our third position is a bit different. No sacrifice is necessary. The “block” already exists (the rook at Rl). White must erect his corner of the mating“We feel this ruling by the licensing regulations for so-called complex sources Sellett at the PCB, 793-3620.board is a mockery of licensing procedures,” said David Comey, director of _____________________________________environmental research for the Businessand Professional People for the Publicfence. Though'behind in material ^ black In‘f ’* ^P- An appeal will filedwith the AEC by Comey, BPPPI, the Sierra Club, and the Metropolitan Sanitary District of Chicago.The licensing board restricted Unit No. 1 of the two Zion units to 85 per cent ofhas five more pawns,) white can forcemate.The winning move is simply 1) QxQ! After ... PxQ, 2) B-QR6 closes the trap. The black king and rook immobilize each other. Black will eventually run outof pawn moves and pawns. Finally he Power 1111111 certain safety Prob,ems arewill be forced by the zugsw?ang principle overcome. The twin units are capable ofto move his QBP (the rear one) and al- turning out 2,200,000 kilowatts of power.low the white “black” bishop to mate Unit No. 1 had been limited to 52 perfrom K5. Ironically it will be the “un- cent of vefblocking” BP move which allows the fatal mate.Copyright 1973 by Shelby LymanComey says the licensing board ignored safety problems outlined by an
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Wheeling Herald
Wheeling, Illinois, US
Fri, Oct 12, 1973
Page 8
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CA, USA 26 Dec 2022
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