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TVKOV 153<br />
ou$clves adopl it. We dislinguhh aI theopcnings<br />
as ionecf . or else as 'incorrecl' or "huar<br />
dous- . Since lhen nany so-called irregular openinss<br />
have be@me staodardplay. Tlese and many<br />
orheruprnins\ haLe dequ'rcd name\ nnd rhe term<br />
rr reeul;r oocnrne hcs srJdually iallen inro Jbu\e<br />
IRREGULAR OPMSITTON<br />
ISOLANI, NtMzowrscH s jargon Nord for lhc<br />
ISOJ,ATLD OUEEN-S PAWN,<br />
ISOLATED PAWN. Apasn isisol edwhenthere<br />
drc no natr ns uf rhe samL coluur.n adio ninU lile\<br />
lr nr,.ke,t 'r<br />
mr! be a rralnc\s. <strong>to</strong>r must lre<br />
dclended <strong>by</strong> picc;s which then assune a pa$i,e<br />
role: il rh. square in fronl oI such a Pawn is rot<br />
ocudtcd <strong>by</strong> an enemypdun rhen thar$urre i(a<br />
a \rr!r of weaknc$ on rhe<br />
otbe; hand an nohted pawn n.y confcr advan<br />
tascr it suardsADvAN.r PoINrs on adl oining Iiles; iI<br />
supporred <strong>by</strong> pieces n nighl be noved tuNard io<br />
disrupt the opPonent\ game. (sec rsoLArLD<br />
au.rN's r^wN.) Ilpassed a.d tar lrom the sce.e of<br />
acrion.n isolatcd paNncould bc used as a DrcoY<br />
(see olrs'Dr P^ssED PAWN.)<br />
ISOLATRD QUEEN'S PAWN (IQP), an isolated<br />
pawn on lbed Ille. Positionssith anlQlconmontyoccurand<br />
the argumentaslo{helhcrthcpavnis<br />
weak, as sr.'Nrrz believed, orstronei as r^RuscE<br />
belicvcd, have continued long after the p.ssingol<br />
thcse Creat nasters. Nrirzowrls.E. who devoled a<br />
chapter oi,tlt .SIr.n <strong>to</strong> lhn qleslion, righrlt<br />
believcd that a player sbould lca.n how <strong>to</strong><br />
nancuvre both *ith and aganNt such a Pawn. h<br />
general its sfength is lclt in the niddle gane- ik<br />
weakness in rhc cndgame. A plaler sho has a.<br />
IQP gains free play lor his pieces and in co.se<br />
qu€nce prospects ol atla.k. IIe may ocuP! lhe<br />
6les thar adjoln thc paNn and the aDvANc! PorNrs it<br />
guardsi somctimcs he nay advance ihc pa$o <strong>to</strong><br />
break through in the cenfe. Evcn if the Pawn is<br />
blocked he mavdeve<strong>to</strong>pan atiack asin the games<br />
given under LARSE\ and ruxMrcv. tn thc cnd-<br />
Sane thc isolated queeds pasn, alihough dis<br />
advantageous, is nol alone a latal wealness. In<br />
world chanpionship malches bolh sPA$w (v.<br />
pErRosyAx 1969) and (oRcsNoI (r. xARPov i975)<br />
acccptedanisolated queen\ pawn in frve and seven<br />
ganes resPectively. and they losl none of lhese<br />
Am{erdam 1954 Orccn\ Ganbn<br />
Dedined semi Taftsch Dcfcme<br />
1d4Nf6 2c,le6 3NAd5 1Ncl.5 5qd5Nxd5 6c3<br />
Nc6 7Bd3.rd1 3exdlBe7 90000 l0Rc1Nf6 llal<br />
b6 lzBB5Bb7 l3Bc2tsa6 1,lQd2Rc3 15Qr,lRes 16<br />
Blackh*lailedrooc.upyorcon<strong>to</strong>lrhcHoLtatd5an'ihn<br />
sanc ( disoprcd <strong>by</strong> rhe advan.c or ih e isola rc d pa{n lll<br />
a5exd5 lgRr.3+Oxes 20Qf5Bxc3 2lQh7+K$ 22<br />
hxc3 N.s 23 Nd.l N!6 21h4h5 25 Bf5 Rxc3 26Ne6+<br />
r.6 27 Bxs6 oc6 is Ohlr+ Kc7 2e Oxrr+ Kd6 30<br />
Rcl Bcri 31-Bxh5 Oc5 32 B31 R.2 3:l Qr6 Kc6 34 h5<br />
Rcl 35 Rxcl Qxcl+ 36Kh2 Or.3 :l7h6Od6+ l314<br />
IIALIAN DIAGONAL, the diagonal ,-98 lor<br />
Whire. a7 gl for Black. so nanedbecause i.1hc<br />
rrALraN orLNrNc both playes move their ting\<br />
btrh.p\ tu rhN diasunal. Irn qa\ regirdcd as the<br />
hcq ;lsjblc de\elupmenr for rhcse hnhops unlil<br />
rhe siANrsH,{EN Nc hcean iu tsarn grounJ tn rhe<br />
1850s. Each bnhop bcar do{n upon lhe oPposing<br />
Ipatrndn.l mal a$Errn a rrNr ssDE mck. (Fur<br />
1i caimnl. s.e. HArn!srr.l In tbe lcs\.ommon<br />
jrunn.n shen a plrylr.a{les on the oLEN s srnr<br />
rheconespondLngdiagundharch2 b8lor\'!hite,<br />
hr-bl forBlack. C.ntrolol one of thesc exerls a<br />
decisile influence in thc eame Bilen under Mco<br />
T'A'IAN FOUR (NIGIITS VARIATION, 491, A<br />
codbination of the rour NIGxrs and ITAL'AN<br />
ITALTAN OPEMNG. 165. sonetimes caled the<br />
Giuoco ?iano.lhc mainline,4c3Nf6 5 d4 exd'1<br />
6 dd,l BM+ leads <strong>to</strong> an evcn gamer an intcr€sling<br />
alrernalive for While isthe EvdsGAirBr.466 Tbe<br />
opcning renaincd poPulai lrom the tine of<br />
r-u.EN^ unlil thc second hlll ofihe 19th cenlury<br />
To the Modcnese nasleis it was lhe bcst oI all<br />
po\{hle openrnA: cnd rn those tholikcd anactio!<br />
ola\irr6rhesic\ayrulhrEvansGamb Fr.m<br />
aboul 1850 thc spANtss oPENINa, 351, gradually<br />
becane more popular; however the llalian Opening<br />
was played in theworld cbanPionship malches<br />
of 1889, 1890, 1892. 1894, 1896, aod 1981. (Sec<br />
D'l PUR, MAT[,]<br />
TTALIAN VARIATION. 375 in the sP^NIss oP.N_<br />
rN(. Black noves hn hngt bnhop io c5, on the<br />
Iv(OV. BORISLAV (1933 ), Ynsosla, ptayer,<br />
Inremariooal Grandmasrer (1955). He began au_<br />
spiciously <strong>by</strong> winning the 66t FIDE World Junior
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