Lewis,.W.-.Chess.Problems.(electronic.edition)

《Lewis,.W.-.Chess.Problems.(electronic.edition)》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

CHESSPROBLEMSbeingaselectionoforiginalpositions;towhichareaddedothers,extractedfromrareandvaluableworksformingtogetheronehundredendsofgames;wonordrawnbybrilliantandscientificmoves;towhichareaddedthenamesoftheauthors.byW.Lewisteacherofchess[1827]AnElectronicEditionAndersThulin,Malmö·Preliminaryedition PREFACEEndsofGamesorPositionswonordrawnbymasterlymoves,havealwaysbeenconsideredbythebestChessplayersandwritersasemi-nentlyuseful,ifnotabsolutelynecessarytowardsformingthefinishedplayer;andthoughmanyexcellentoneshavealreadybeenpublished,yetIamnotwithouthopesthatthefollowingworkwillbefavourablyreceivedbytheChessworld,asitcontainsforty-eightoriginalposi-tions,besidesothersextractedfromauthorslittleknowneventothegoodChessplayer,noneofthemhavingbeencopiedfromStamma’sWork,theStratagemsofChess,Sarratt’sTreatise,ortheOrientalChess.IhaveendeavouredasmuchaspossibletoselectsuchPositionsasareinstructiveaswellasamusing;accordingly,thereaderwillobserve,thattherearemanyinwhichtheWhite,thoughunabletocheckmateinagivennumberofmoves,canyetacquiresuchasuperiorityastohaveawinninggame.Suchpositionsaregenerallythemostimprov-ing.Amongthoseinwhichthenumberofmovesisfixed,willbefoundmanyinwhichastheWhiteisnotexposedtoanimmediatecheck-mate,itbynomeansfollowsthathemustgivecheckeverymove:suchpositionsaremoredifficultthanthoseinwhichfromthesituationofthepiecesitisevidenttheBlackmustbecheckedeverymove.IdeferforthepresentpublishingtheSolutions,thatthereadermaysolvetheProblemswithoutbeingtemptedtorefertotheKey.Theywillhoweverbeprintedinthecourseofthepresentyear;andthoughinsuchaworkitisnexttoimpossibletobeperfectlyaccurate,yetIbelieveveryfewerrorswillbefound.Insomeperhapsthecheckmatemaybedelayedforamoveortwobyauselesssacrifice,aninstanceofwhichoccursintheForty-fifthSituation,inwhichthematecannotbegiveninlessthantenmoves. Inconclusion,IhavetooffermysincerethankstothosefriendswhosecontributionshaveenrichedtheWork,andenabledmetorenderitmoreworthytheattentionofthescientificplayer.W.LEWIS76,St.Martin’s-lane,May1827.Explanationofthefiguresusedinthediagrams:WhiteBlackKkKingQqQueenRrRookBbBishopNnKnightPpPawn PREFACETOELECTRONICEDITIONTheoriginaltextwaspublishedinLondon,1827.Theoriginalprefacesuggeststhatthesolutionswerepublishedseparately,thoughinthecopyusedthereisnoobviousbreakbetweenthefirstpartandtheso-lutions:pagenumbers,evensheetnumbering,iscontinuous.Solutionshavebeenconvertedtomodernalgebraicformfromtheextremelyextendeddescriptivenotationoftheoriginal.Theoriginalsolutionofproblemnr1hasbeenkeptinordertogiveanideaoftheoriginalformat....Problemisteforproblemsupto#5.... 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cuuuuuuuuC97.W.LewiscuuuuuuuuC98.W.Lewis{WDNDWDWD}{WDWDnDWD}{DWDWDWDW}{DWDWGWDp}{WDW0WDWD}{WDWDWDW)}{0pDkDWDW}{DWDpDWDW}{WDWDWDWD}{kDW)pDWD}{DWDWDWDW}{DpIW)WDW}{WDPIWDWD}{WDWDWDWD}{DWDWDWDb}{DWDWDWDW}vllllllllVvllllllllVWhitetodrawWhitetomoveanddraw,orBlacktomoveandwin.cuuuuuuuuC99.W.LewiscuuuuuuuuC100.W.Lewis{WDWDWDWD}{WDBDWDWi}{DWDWDW$P}{DWDWDW0W}{WipDWDWD}{WDWDWDW0}{0WDWDWDW}{DWDWDPDW}{K0WDWDp4}{p0WDWDW)}{DWDWDWDW}{DWDWDPDW}{W)WDWDWD}{PDWDWDWI}{DWDWDWDW}{DWDWDWDW}vllllllllVvllllllllVWhitetodrawBlackplayedb4;whatmustWhiteplaytodrawthegame? SOLUTIONS1.1.R×a7†,K×a72.Sb5†,Ka8/Ka63.Sc7‡2.1.Se6†,Q×e62.Qh6†,K×h63.Bf8‡1.…f×e62.Qf8‡1....Kg8/Kh82.Qb8†,Qd83.Q×d8‡3.1.Qd4†,R×d42.B×d4†,Ka63.Sc7†,B×c74.Ra8‡4.1.Bc5†,Ka82.B×f3,Q×b5†3.Kc7†,Qc6†/Qb7†4.B×Q‡2.…Rf23.Kc7†,R×f34.Qb7‡[1.Bc5†,Ka82.B×f3,Qe4†!]5.1.Se7†,Kh82.Q×g7†,K×g73.Rf7†,Kh84.Rh7‡6.1.S×c7†,B×c72.Q×b7†,K×b73.Be4†,Kb84.Sa6‡1.…Kb82.Sba6†,B×a63.S×a6‡7.1.Qf4†,Kh52.Q×f5†,e×f53.Sf4†,Kg54.Rg6‡8.1.Qd6†,Ka82.Qc6,B×c63.Rd8†,Qc84.R×c8‡2....b×a53.Rd8†,Qc84.R×c8‡2....Qc83.Rd8,~4.R×c8/Q×b7‡9.1.Bc5,S×c52.Q×f7†,Kh63.Qf8†,Kg54.h4‡1....B×f12.Qh6†,K×h63.Bf8†,Kg54.h4‡1....f52.Qh6†,Kf73.Qf8†,Ke64.Qe7‡10.1.Q×a7†,K×a72.Ra3†,Kb73.Ba6†,Ka7/a84.Bc8‡11.1.Rd8†,Kh72.g6†,R×g6†3.f×g6†,R×g6†4.Kh5,~5.B×g6‡12.1.Bd4†,Kh72.Bf5†,Kg83.Be6†,Kh74.Sf8†,R×f85.e×f8S‡1.…Kg82.Be6†,Kh73.Sf8†,R×f84.e×f8S‡13.1.Q×h5†,S×h52.R×h5†,K×h53.g4†,Kh64.g5†,Kh7/Kh55.Sf6‡[1.R×h5†]14.1.Qg8†,K×g82.Se7†,Kh83.Sf7†,R×f74.R×c8†,Rf85.R×f8‡15.1.Qd7,Rg82.Sg5,Rbf83.Qh3,h64.Q×h6†,g×h65.Rh7‡2.…h63.Qf5,h×g54.Qh3‡16.1.Re8†,Sc82.R×c8†,K×c83.Ra8†,Sb84.f6†,Kd85.R×b8‡17.1.Qg3†,Kb62.a5†,K×a53.Qc7†,Kb44.Sd3†,Ka45.b3‡18.1.Re8†,Rf82.Rf3†,R×a23.R×f8†,K×f84.Bd6†,Ke8/Kg85.Rf8‡19.1.Qd4†,S×d42.e5†,Kc63.Be4†,d54.e×d6ep†,K×d65.c5‡ 20.1.Rf3†,Q×h22.Se4†,Rd43.Rb5†,Sd54.B×d4†,K×d45.Sc6‡21.1.Q×d8†,B×d82.R×d8†,Sg83.Rbb8,Qa24.R×g8†,Q×g85.Sf7‡22.1.Rd4,Kb82.Rd8†,Ka73.Sb5†,Ka64.Rd3,Ka55.Ra3†,Kb46.c3‡23.1.S×b6†,R×b62.Qh1†,Rb73.Qh8†,Rb84.Q×b8†,K×b85.Rd8†,Kb76.Rb8‡2.…Qb7/Kb83.Rd8‡1.…Kb82.Rd8‡1.…a×b62.Qa2†,Ra73.Qg8†,Kb74.Rd7†,Q×d75.Qb8‡24.1.Rd8†,Kb72.Q×c6†,K×c63.Be4†,Kc54.Rd5†,Kc65.Rd4†,Kc56.b4‡2.…Ka63.Bd3†,Ka54.b4‡25.1.Ra2†,Ba72.R×a7†,K×a73.Qd4†,Ka84.Qa1†,Ba65.Q×h8†,Ka76.Qb8‡1.…Ba32.R×a6†,b×a63.Qf3†,Ka74.Qb7‡26.1.e4,Kh62.Sef8,Kh53.Kg7,Kg54.Sd7,Kh55.Sf6†,Kg56.h4‡[1.Sef8,Kh62.e4etc.]27.1.Rb5†,Ka12.Ra5†,Ba43.R×a4†,Kb14.Sa3†,Ka15.Sc2†,Kb16.Ra1‡1....B×b52.Sa3†,Ka13.B×f6,Qb14.Qc1,Q×c1†5.Kb3†,Q~6.B‡4....Ka25.Q×b1†,K×a36.Q‡4....B×d35.Q×b1†,B×b16.Kb3‡4....f1Q5.Sc2†,Ka26.Qa3‡3.…e×d24.Kb3†,Qe55.B×e5‡3.…f1Q4.Kb3†,Q×f65.Q×e1‡3.…Qc1†4.Q×c1†,Ka25.Qb2‡3.…Ba44.Kb4/Kc4‡28.1.Rb6†,Kf82.Se6†,Kf73.B×g6†,K×g64.Qe8†,K×h65.Qh5†,K×h56.Sg7‡2.…Kg83.Qe8†,Sf84.Q×f8†,Kh75.Qg7‡[2.B×e7†!andmateinfifthmove]1.…R×a42.R×g6,Kf83.B×e7†,K×e74.Re6†,Kd8/Kf85.Re8‡[1.…Kd8leadstomateinsixthmove]29.1.Se8†,Kh82.Sf7†,Kg83.Sh6†,Kh84.Be5†,Bf65.B×f6‡1.…Kh62.h×g5†,K×g53.B×e7†,Kh54.Sg7†,Kh65.Sg4†,K×g76.Bf6‡[4.g4†!]3.…Kf54.Sd6‡3.…Kh64.Sf7†,Kh55.Sf6‡2.…Q×g53.Sf7†,Kh54.Be2†,Qg45.S‡2.…Kh53.Sg7†,K×g54.B×e7†,Kh65.Sg4†,K×g76.Bf6‡30.1.b3,c×b32.c4,b23.S×h6†,Ke54.Sf7†,Kf55.Sd6†,Ke56.Sd3‡[1.b4,c×b3ep.etc.]31.1.Qg8†,Ke72.Q×g7†,Ke83.Sd6†,R×d64.Qg8†,Ke75.c8S†,Kf66.Qf8‡ 32.1.Qa6,Qb82.Qa3,Sg63.B×g6,a64.R×b8†,K×b85.Qf8†,Be86.Q×e8‡2.…Rc73.Bd7,Rc84.R×c8,a65.R×b8†,K×b86.Qf8‡[2.…Re7/Ba4!]33.1.Sb3†,Ka62.Sc5†,Ka53.Bc3,Be5†4.Rb8†,B×c35.b4†,B×b46.a×b4‡34.1.Se6†,Kf72.Bh5,Qh83.Bh4,Ke84.Rg7†,Kd75.R×e7†,Kc86.Rc7‡2.…a4/b4/Ra8/Rc8etc.3.…Qh54.Rg7†,Ke8/K×e65.R×e7‡[2.…Qd8/Qf8/Qg8/Rd8!]35.1.Bf3,R×f32.dc7†,B×c73.S×c7†,Kb84.d8Q†,Bc85.Sa6†,Ka86.Q×c8‡1.…B×a62.c7,B×c73.S×c7†,Kb84.S×a6‡1.…B×c62.Sdc7†,B×c73.B×c6‡36.1.Rf8†,R×f82.Sf7†,Kg83.Qg3†,K×f74.Qg7†,Ke65.Qe7†,Kd56.Qd7†,Kc47.Qd3‡2.…R×f73.Qe8†,Rf84.Q×f8‡37.1.Qb8†,Rg82.Qe5†,Rg73.R×h7†,K×h74.Qh5†,Kg85.Qe8†,Kh76.Sf6†,Kh67.Qh5‡38.1.Bc4,B×b2†2.R×b2,Q×b2†3.B×b2,Se64.Q×f7†,Kh85.B×e6,Rg86.Q×g8†,R×g87.Sf7‡[2.…Q×c4!][2.B×b2!andmatein6thmove]1.…Q×c42.Qf8†,K×f83.Bd6†,Kg84.Re8†,B×e85.Rf8‡1.…Se62.Q×f7†,Kh83.B×e6andwinsinafewmoves.[3.…Qa3†!][1.…Q×a3†!]39.1.Qg8†,Q×g82.f8S†,Kh83.Rh7†,Q×h74.R×h7†,Kg85.Rh8†,K×h86.Kf7†,Sg77.B×g7‡40.1.Bg6†,K×g62.Se5†,Kh53.g4†,Kh44.Sg6†,K×g45.Rf4†,Kh36.Rh4†,B×h47.Sf4‡1.…Kg42.Se5†,Kh33.Bf5†,S×f54.g4†,Kh45.Sg6†,K×g46.Rg3‡41.1.Qc7,B×b82.Bh3†,f53.e×f6†,K×f64.Sg4†,Kf55.Sh6†,Kf66.Qf7†,R×f77.Sg8‡[5.Qd7‡!]4.…Ke65.Sh6†,Rf56.B×f5†,Kf67.Qf7‡42.1.Re6†,B×e62.Q×e6†,K×g53.d4†,Kh54.Qf7†,Kh45.g3†,Kg46.f3†,Kh37.Qf5‡[5.Qf5!]4.…g65.Qf3†,Kh46.Qh3‡3.…Kh44.Qh3‡ThispositionoccursinLolli,page36,buthedoesnotgiveitasaforcedmate,butwinstheQueenorcheckmates,theEditorcanthereforeonlyclaimthesolutionashis. 43.1.R×g5†,f×g52.Qg6†,Kf83.e6,Rh7.Blackmightdelaythecheckmateforonemove,bycheckingwiththeKnight.4.Q×h7,Ke85.Qg8†,Bf86.Qf7†,Kd87.Qd7‡44.1.Kb3,b×c52.a4†,Kb63.a5†,Kb54.Rb7†,Kc65.Rb6†,Kd56.Rd7†,Rd67.R×d6‡1.…a52.a4†,Ka63.b5‡45.1.Se6†,Kh62.Rf3,g53.Rf6†,Kh54.Sf2g45.Nf4†Kh46.Rf5Blackmaynowdelaythecheckmatebyplaying6.…Qf7(seebelow),butifheplayanyothermove,WhitewillwinbycheckingwiththeRookath5,andafterwardscheckmatingwiththeKt.or,(ifBlackplayh5)bycheckingwiththeKnightatg6,andthecheckmatingwiththeotherKnight.6.…Qf77.R×f7,g38.Rg7,h59.ChecksKandRwiththeKnight,andwinseasily.[9.Se4/Se1!]7.…Rg88.Rf5,Rg59.g3†,K×g310.R×g5andwins.5.…Kg56.Ne4†,Kh47.Rh6‡4.…Qf75.g4†,Kh46.Rh6†,Qh57.R×h5†,Kg38.Rh3‡2.…Kh53.Sf2,g54.Rf6&c.asbefore[3.Rh3†!]46.1.S×e5†,Ke82.Qh5†,g63.S×g6TopreventWhitefromcheckmating,byplayingN(×)e5†&c,blackiscompelledtoplay3.…Sf64.R×f6,Rg85.Se5†,Rg66.R×g6,h×g67.Q×g6†,Kf88.Q/B‡6.…Kf87.Bh6†Ke88.Rg8‡3.…Bf64.Se5†,Ke75.Qf7†,Kd66.Sc4‡1.…Ke62.Qg4†,Kd63.Sf7‡47.1.Qh8†,Kb72.Qg7†,Ka83.Qf8†,Kb74.Qf7†,Ka85.Rc8†,S×c86.Q×d5†,B×d57.B×d5†,Kb88.Sa6‡2.…Kb83.Qc7†,Ka84.Qd8†,Kb75.Rc7‡48.1.b5†,Ka72.b6†,Ka83.Qa1†,Kb84.Bc7†,Kc85.Bh3†,Rg46.B×g4†,Rf57.B×f5†,Sd78.Qh8‡49.1.Rc7†,Ka52.R×b5†,K×b53.Be2†,Ka44.Rc4†,Kb55.R×c1†,Ka46.Rc4†,Kb57.Rc3†,Ka58.Ra3‡4.…Ka55.Rc5†Ka46.Bd1‡[1.R×b5!]50.1.R×b3†,c×b32.Sc4†,Ka43.Sdb2†,Kb54.Sa3†,Kb65.Sbc4†,Ka76.Sb5†,Ka87.Sb6†,Kb88.Rc8‡6....Kb87.Sb6,S×c78.d×c7‡