Secrets of Practical Chess

258 Pages·2007·5.027 MB·English

by  John Nunn

Secreotfs
PractiCchaels s
New EnlargEeddi tion
JohNnu nn
Firpsutb liisnth heUedK bGya mbti PubiloinLcsta 2dt0 07
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Origiendailt piuobnl i1s9h9ed8
Copygrhi©tJ ohNnu n1n9 982,0 07
Therg ihotf J ohn Ntuon inbd ee ntaisfit ehadeu thooftr h wiosr hka bse eans ­
sertienad c cordwaintctheh C eo pyrigDhets,i agnnPdsa teAnctt1s 89 8.
Alrlgi htrse seedrT.vh ibso oikss olsduj bectto ctohned itthiaiotstn h anloltb ,y
wayo ftr adoer otsheeb,rel w einrtes,-o lhdi,ro eudot r othceirrwciusilenaa ntye d
foromfb indoircn ogv oetrh tehrant hiant whiiitpsc uh b liasnhwdei dt haos uitmi ­
lacro ndiitnicolnu tdhsici nogn dibteiionng iomnpt ohsseue bds eqpuuerncth aser.
ISBN1-39:7 81--9046010- 70-
ISBN1-01:9-0 4600-70-0
(Fierdsitt IiSoBnN:1 -01:9- 01893-130- ISBN1-39:7 81-9-091831-2-0)
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PrniteidnG reBarti tbaiyTn h eC romwPerlelsT rso,w bridWgiel,t s.
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Contents
Introduction 5
1 Att hBeo ard 8
Decision-making 8
TheT reoefA nalyrseiivssi ted 8
Evaluaftunicotni ons 15
Whent oa nalyse 19
DAUT 22
Saefty-nets 27
Whent htea cthaivcets ow ork 29
Implciocmimti tments 31
Posittihoinnakli ng 35
Them ethoofdc o mparison 45
Makiynogu orp pontehnitn k 47
Oversiagnhbdtl su nders 50
Warn insgi gnals 52
'Hadr-to-msoevee's 56
Time-trouble 60
Laziness 63
Determination 64
2 TheO pening 68
Buildair enpge rtoire 68
Usinopge nibonogk s 70
Bookosno ffbeaotp enings 71
3 TheM iddlegame 83
Goopdo sitions 83
Badp ositions 89
Attack 99
'Invietvienrgyt ootn hepe a r't y 99
Over-sacrificing 140
Deefnce 106
4 SECRETOSF P RACITCLA CHESS
4 TheE ndgame 113
Kinagn Pda wne ndings 131
Opposition 131
TheR etmia noeuvre 181
Triangulation 191
Expetchtue n expected 121
Chesisms o rteh acno unting 132
Rooekn dings 152
Rooakn dPa wvns R ook 162
Thee xtra Pawn 192
Positaidovnaanlt age 163
Minor-peinedcien gs 193
Knigehntd ings 140
Bisophv sK nigehntd ings 142
Bishoepn dings 144
Queen endings 148
Queeann Pda wvns Q ueen 148
The ePxatwrna 153
Commoenn diwnigtsh Poauwtn s 165
Roovks m inopri ece 165
Rooakn mdi nopri evcseR ook 195
Quick-fipnliasyh es 156
5 UsinagC omputer 167
Gamed atabases 196
Playeinnggi nes 148
Limitaotfci oomnpsu atnearl ysis 129
Casset udPyo i1s:o Pnaewdn 169
Case s2t:Ru odsys olSiimcoi wliita3.hn g . 6. 209
Onlicnhee ss 218
6 ChesLsi terature 220
Choosaib nogo k 220
Mistakes 222
Boorke viIeR:wa piCdh eIsmsrp ovembeynM ti chadeel MI azaa 244
Boorke vi2e:Bw a sCihce Esnsd ibnygR se ubFeinn e 246
Recommenrdeeanddg i 250
IndoefxN ames 253
IndoefxO penings 255
Introduction
Thibso oikais m ed palta ywehroars e p rmiarliyi netresitnie mdp rovtihnergie r­
sulItyfso .au r per epatroe dln oisngeea meisno rdteosr c oreb roinlevl iicatnotr y,
theinti s pronboaftbo lry you. mHooswptel vaeyrae,rr meso tivaattle eda st
parbtyl yo tvheer--bsouacrcde tshste-h roifwl iln niiosnn goe f t haet tcrtaioofn s
chesasn,md o st plfaeyeveler rssya tisfiedt hewrihanret gnii mproves.
Thel evaetl whoincpehl aiysgso vernbeyda numobfve arg auenp do orulny­
derstfoatocod.rT shefi rsitsw h aotn mei gthetr 'mnt aurtaall 'eB.ny tt hIim se an
thacto mbinaotffi caotno wrhsi cshe tasnu ppebro untdot hlee voenlec an
achievteri anbiyan ngpd r atcicOen.ec annloiptsr tes ceilwyh icfahtc orasrr ee le­
vanbtu,ot n mea yd ivitdhpeeo ssifabtcloeri sn toc ltwaosT sheefis r.sc tl acsosn ­
sisotfns o n-chesse-lsepmeecsniutficaschs g eneirnatle llaingdme enmcoer y.
Thes ecocnlda ss ianm veoslohvfi e nst er-crhelefasactste odsr usca hst haeg aet
whicohn lee arntth e geaamrecl,hy e esdsu caatnido nos no.
Byt htei maen yogneeta sr outnord e andgti hbioso tkh,'e an tutrlaaeln ftca'­
tor pwriolblab beil mym utawbhliecb,hrn i guss t oo thfecart owrhsi cahrme o re
undoenre c'osn trTohle.sd ee tenrehm oiwc losoenlaeyp porachtehsce e iliimn­g
posebdyo ne''anst urtaanllt e.I' ti sm yb eltiheafmt o sptl ayneervsge erat n y­
whernee art heniart ucreaill ainndg ,tc honasti bdleierm aproveimse npto ssible
witahp proapteredi ucattirnoainin,ag n d pircaMeco.ts t cbhoeoskassi mt o help
readiemrpsr otvheec ihre sAsno. p ening book, wfiolgrli vgeeex naemrpalle ,
plaannscd o ncraentael ybsoittshoh, e ltphr ee ader phriceshp oasroeepn e nings
anda,ft earg amet,oc ompatrhece o urosfe tghaemw ei tehs tabltihsehoerdy .
Clearcloyn,c rkentoew leidsagn ie m porftaatcnoitrne stablcihsehssitsnr ge ngth;
someownheo hada est ailed konfro owolaken dpdga ewen n diwniglshl a vaen
advanotvaegsreo meownheod oes Anno ta.s sipdruoogurosafs m e lfn-itnirgas i
bountdoh avaep osietffievcet .1 9I7Jn7o ,Tn is daelxlp latiomn eeh di s fpolra n
beconmgi gar andmaHseth earde. s timhaotwem da nhyo uorfss tuwdeyr ree ­
quirteod advbayon ncreea ntgip oiMnutl.t iptlhybiiystn hgde i ffenrcebee tween
hicsu rrretanitna gn dt hger andmalsetvgeearlv teh teo tnaulm boefrh ouorfs
sturdeyq uiIrl eadu.g haendpd,o inotuettdh at ewaicathdh v antchene,u mboefr
hourresq uitroge adit nh nee xpto iwnotu lpdr obaibnlcyr eaansde h,se mo i ght
nevmeark iet H.o wevheirps,l apnr ovjeudis fitebde,c aiuns1 e99 5 dhieid n deed
gaitnh e grantdimtalset.e r
Theref eawpr lea ywehrosc anc onduatc rtna iinpgr ogrsatmrh eitncogv er
decadaensid,n deteidml ei mitaatpiptolonvy si rtuaalpllll ayy eprrsa.c ttIhinci es
6 SECRETOSF P RACTICACLH ESS
resitctrthsae m ouonfit m provepmoesnstio nbt lhe'e c hkensosw lefdorgnet'. In
thbioso Ikw iglilv aed viocnhe o wt o ustei matevh aiel afbolre cshteusmdsoy s t
efifcienftoleryx ,a mpblyde i stingeusissehniktnnigoa wll edgeo poftnriaolm
knowleadngdae d,v isointn hgce o nstruocft oaipnoe nn irnepge rret.o i
Thet hifradc tor, twhhmeia cnihf o cuiossf t his ibso oektffi,hce i ewnictyh
whicohn ea ppltihefiesr sttw ofca towrhsi alcet usailtltyai ttn hgbe o a.r ddAe ­
taiklneodw leodfrg oeo akn d peanwdni wnognsh 'etl ap biotn ei fahn aa st tack
ofb lipnadin ca;ne ncyclopmaeemodriiycsv alueilfoe nsies sr e uglarlseyi zed
bya nu ncontriomlplaubtlolss eea icfircaep ieucnes ounCdhlayo.at nidcm ud­
dlecda lculmaitjsiuodng;e meonvtegrshs;ti lsa;co kfc onfide(nocorev ecronfi­
den!c)el;a cokfd etermi-ntahteiasonendm anoyt hneerg atiinvfel uences all
serve toa wwahoyin tept'llsae y ing sSturcpehr nolgbetmahsr. ne o atta lela sy to
solfivres,bt elcya use vpelroayfy tederonns o rte alwihzateth ey arwer odnogi ng
ands econbdelcya tuhseeiy m agitnheat th eirse notthheicyna gdno t oi mprove
matters.
Thibso oikn cluadd eessc riopft ivooaunrcs io mmofnal iinagtts h beo arId .
thitnhkam ta nrye adweirlsl rpeaairccthu slaea crt ainodsn u ddetnhliy"n Yke s,
thaetx'asc tthlmeyi stIaa klew amyask eR.e"c ognitzhpiern oglb emi sa lready
thfier sstt ep toswoalrviditsAn. ng a waernessw hoeonfn e isl imkotesolgt yo
wronegn abolneetso t aksep eciailn t hceasree 'sdiatnugaset'Eri.v o ennt,u ally
byc oncreannttgio na p airctuwleaark nieitsos sf ,t peons stiobe lrea diccaotme­ it
pletely.
Sinmcaen y tohmfea ttdeeraswl itti hnt hbioso k are psyicnnh aotluorgei,c al
thereb eqw uiilatlf ee we xampflreosmm y o wng ame-sI cpaenr sontaelsltiyf y
thamtu ddltehdi nkoicncgua rtgs r andmalsetveWerhl e!r Ieh avceo verafe ad­
militaorp ihca,v meIa daen e fforttor eplawchee,n epvoesrs itbhlseet ,a ndard
time-weoxrna mpwlietsehx cerfprtocsmo ntemppolraayr.y
Ofc ourseb,o otkwh,hi iscl oen itnaimnugc uhs efaudlv iacnedi nofrmaotni,
cannhootpt eo ignotd oe taabiolu t aesvpeeorcyftt h gea meM.ya imh abse en
meretlosy t artthr ee adaelro tnhgue p wapradt hs eolff -oivmepmreInh to.pt eh at
SecroefPt rasc tiCchaels sh ewlripel ald teoir msp rotvheer iers ualntpdsr oduce
morsea tyiisngfga mes.
Theo irgiendaiilot onfS ecroefPt rasc tiCchaelws assp ubliisn1h e99d8S .e v­
eral pyaesasrdesud r,iw nhgi cthi mtehb eo owka sac onsiderablHeo ws­uccess.
evetrh,se e ctoinoc no mpuctheergs rsda ualbleyc ame adnadst oeI d thoiutg ht
wast imteor eviasned extphacinhsdpa teTrh.ei nflueonfcc oem putoencr hse ss
haisn creeansoerdm oaunsdl ytc hanenoy w b eu sefdop rr epaornaa,tn ialaynsdi s
trianitnoga ne xteinntc onceiinv1 a99b8lM.ey treaetnomtf t hissuj becits
INRTODCUTION 7
stricftocluys oendh owc omputerhse ltcphoa evn e r-thep-lbaoywaeirrtdp,h a r­
ticualtnattrei boeni pnagi tdot haer eoafo penpirnegp aornIa.ht aivieg notrheed
usoef c omputiencr osrrs epondepnlca(eyl eugnadlie nrt ernatcioorrneaslp on­
dencceh ersusl seisn)tc hehi asas l rebaedeycn o veriencd o nsidedreatbialnie l
ModernC heAssna lybsyiR so bin S(mGiatmhb2 i004t),.T woc oncrete exam­
pleosfc omputer-oapsesnipisrntegep dta irosanh ohwo w itdheeda esv eloipne d
thcihsa pctaenr abpep liinpe rdat cice.
A secnoenwcd h apdteearwl ist chh elsist erMaatnuyrp el.a yercsh ebsusy
bookisnt hheo poefi mprovtihnepgil raT yh.ic sh apgtievrae dsv iocne wthoa t
loofkoi rna c hess abnodho okwt ou sceh ess bTwoo oskasm.p bloeo rke views
giveex ampolfe stt hyep igcoaold baandpd o inotnsem ayfi ndi nc hebsoso ks.
Thec hapctoenrc lwuidteahsl iosfrt e commernedaenddgi .
John Nunn
ChertDseeyc,e m2b0e0r6
1 Att heB oard
Decision-making once onstrsuocmseto sro tfa nalytical
trieent hinkianbgoa ultm oasntpy o si­
TheT reoefA nalyrseivsi sitedt ioinnl; e stsac tsiictaula twihoenrse ,
thoep peonntr'esp lies alrees sm uch
Thes o-calleodfA n'aTslriyewsea' s predicotnaweb olueln,do r te lsyo lely
populariinKz oetd'o vsfam oubso ok ont h'ert eeb'ua tl stoa ke foattchoerrs
ThinLki kaeG ramnadstTehr.ea nalyi­ntcoo nside.r ation
siosfa ncyh epsoss ihtaiasot nre e-likeI tfo llowtsh atth 'eT roefeA naly­
stcrtuurTeh.e raree variaolutse rnsai­si'sa veriym portmaentth oodf
tivienst hec urrepnots itwihoinc,h c hetshsi nkcionmgp;u thearvsseh own
formt he mbarniacnh eEsa.ca hl ternat­haiitts p ossitobp lleav ye rsyt rongly
tivpee rmai trsa nge owfh ircehpu lsiiepnrsgca, t icnaoltlhyei lnsgKe o.t o'vs
forsml igshmtallybl renarc heasn,sd o boodke scribiendd e tatihlme e ntal
onS.i nce atrhete,yr pei cdaolzleyn,ps r oscseeisn volivnce odn craentael y­
ofl egmaolv eisna na veracghee sss isI.fw ea ssumteh aWth ite is to
positait ornei,en cluedvienrylg e gamlo vet,h eKno torve commentdheadt
movrea pibdelcyo mteosdo e nsfeor Whitfeo raml iosf't c andidate moves'
humabne intgohs a ndOlfe .c ouirts weh,i chhei str yitnodg e cibdeet ween,
isnn'etc estsocary o nsiedveerlry e gamla kisnugr teh atthl ei st is complete.
moves,i nacc eo nsideprearbcleen tFaogerea cohft heWshei,t cer eaatl eiss t
of thleesgmeao lv easr neo nsensiocfpa ols,s irbelplebi yBe lsa cks oao nnd,
andt hitse ntdost hitnh ter eseo me­followienagc bhr acnhi nt umu ntai l
whaNte.v ehretleesvse,in ft hearree defineivtael ucatabein o gni v.eK notov
onlfiyv er easonpaobslsei bialt istpieecsi fiwcarnaeldl ayg aijnusmtp ing
eacphl y w(iwlbeol rr oawt erfmr om frobmr anch ntcohh ;etb hroautghhatt
thceo mpuctheerws osr alndcd a ll hyaolusf h oualnda lyesaecc ha ndidate
am ovaep lya)f,tt ehrre weh olmeov esm ovuen tiictla nb ed efinietveallyu ­
thearree1 ,562'5la eve'sI.t f ollowsa teadn,do nltyh emno veo nt ot he
thaatn alyssoilnebgly my e anosfa n nexotn e.
analyttrieceao ln ilpsyo ssiwbhleen Thef ollowienxga mple, I which
thneu mboefrr easonpaobslsei bilhiatvtieae ksfe ornm C olCirno u'cishn ter­
fotrh tew pol ayielsri sm i-tienpd rac­estibnogo Akt tkaicnTgec hniq,ui es
ticteh imse antsa ctpiocsailt ainodn gsi vaesna ne xecrisIetc.a nb es olved
certtayipnoe fse ndgamHeo.w everb,yK ot'ovmse thoadl,t hotuhgdihos e s
ATT HEB OARD 9
nomte atno s atyh ayto uw ilfiln di t
simple.
L.P sakh-iDs.Ki ng( analysis)
L.P sakhisD .Ki ng
-
Lonnd(o LloByadnsk1 )99 4
Blacakc tluyab lluenrdead p iece
awayw it3h1. tL!.x.e 5?3?2 'i!V xd5+ Fi1g
'i!Ve63 3l:. xe5b,u3 t 1.l:...xei5sb e tter.
Croutchhe n re"mTaharetk tse amtap tm anbyr acnherse movfeodtr h sea ke
tactriecufatla t.i.own.i t3h2 tL!e7+o fc lariTthyec. o mpuatnearl ybsyae s
doenso t qsuuictcee3 e2.d .l:..:x. e 73 3 procoefs' sei rtavtedi eenpiegn'L.e t
l:txel:.7xf 23 4'i!V xd5�+h 7!3 5'i ei'4+ uss uppoisties a nalyasp ionsgi tion
.l:.f5+3!6 � hItLl f2+3 7l:. xf'i2i' xf2i nw hicihht a s cthoo obseet we4e0n
38l:. f7� g63 9l:. xf5x f'i45i'0 'i!V xb4 legal mIotwv ielasln. a laylsllee gal
witahd rawY.o"u tra sikst o c hooas es equenocfme osv etso a particular
movaeft e3r4'i!V xd5(+D i)n t hliisn ed.e ptthai,kn sgo mber acnhedse eper,
Thed iagriasm gaittv heteno opf t he especitahlolswyei tfho ircngs e­
nexcto luamnndt hseo lutmiaoybn e quenciensv olcvhiencogkr cs a ptures.
foundo np ag1e.5 Thiwsi allll iottwoa ttaanc uhm erical
It iintse retsost eiheno gwK ot'ovs evaluattoai lotlnh 4e0 p ossibilities.
methofdo ra,s h ep uti tt,e achiBnags eodn i tesv aluaittwi iolnrl,e ­
'humbaeni ntgoas n alwyisteth ha ec ­ordetrh4 e0 m ovetsop utth meo st
curaocfya m achicnoem'p awrietsh p rmoisionnge (si .teh.o se twhiet h
thwea y macahcitnuealsl y calhciuglhaeetvseat.l uaftisirtoT.nh )ei ntw ill
InF iguIrw ee s eaes taignet he go opnledy e epaegrna,a i nalyasliln g
computaenra'lsoy fsap i oss itwiiotnhp, o ssliebglsaeel q uenacneddse ,v oting