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KOLISCH 169<br />
KNIGIIT WEEEL, a problen rAs(: a kDight<br />
standidg in thc.EN]R^L zoN! is movcd nr each ol<br />
rhe eighr po$ible dnecions. ca.h moveleadine <strong>to</strong><br />
a different naling continLalion. <strong>The</strong>re are two<br />
kinds: blackknighi{heelan(lwhn. knightNheel.<br />
<strong>The</strong> noves ma],be shown in thc solulion. the sEr<br />
(NORRE VARTAIION,372,. duhiotrs li.c in the<br />
plaled in rhc l8?0s b, tbe<br />
Russian born Vic<strong>to</strong>r (none (..18,10 1919).<br />
XOCH (iAMBtt, 589, fie c<br />
ui. firn published h ,/.u.ntarbu(h.1er S&u.h<br />
spidll4nsr, Magdcburg, 1828. <strong>The</strong> G.rma. author<br />
lohann Fricd.ich Wilhein Koch (1759 ll33)atii<br />
bured the invenion of this openine <strong>to</strong> a Lt Col<br />
Donop, ode timc Prussian conrandanl of Brusseh,<br />
bur jt iras knosn earlier, in lhc l8th century<br />
KOC}I'S NOTATI()N. see co<br />
A problen<strong>by</strong> HEArn.orLthat qon lirslpriz. in the<br />
Hanpnead and HiRhsote ErpleJs <strong>to</strong>urne-v, 1905<br />
Th. kcy h I Rc7 lhreatcning 2 Nc3 Blnck can<br />
avoidrhismare bt movinghis knight, anditsmolcs<br />
forn a bl.ck kniEht wheel.<br />
. .Ne2 2 Qxh5<br />
...N13 2 Oe,1<br />
.. Nl5 2Re5<br />
...Nxb32Qd3<br />
<strong>The</strong> remolal otBla.k\ ?a6 and Bgl qould.ot<br />
affect the nain variations but would !lloa duals in<br />
lhe By pr.Ar, e.g. 1 . Qll could be mel <strong>by</strong>z Nc3<br />
or 2 Oe,1. Suchlesser duak $ere lhen consntered a<br />
grealerfaull rhan la.k ofeconoDy. (Thc contrary<br />
view subsequcntly becane nore lashionabh.) For<br />
ma.y ycam lhn problen qas .onsidered the best<br />
taskproblemexranl Blacksknightisnolcaptured<br />
(his would bc a blemnh) and irs novcs provide<br />
vari.ry: 6vc dillerdt interlercnccs. l{o diflerent<br />
rF' F-R'..K on. s FrlN<br />
'nd<br />
KNocK-()uT IOLTRNAMDNT. ! lournamenl in<br />
shich plaleB are Paned lor cacb round.lhe losers<br />
being elininated, a syslem comonly used i. thc<br />
1850s and 1860s. Sixreen pldters compctcd in the<br />
poild\ firsr i.ternaliod.l rournament, London<br />
1851. each round co.sisting of shon narches. All<br />
inportant lournancnts flon London llJ6210 the<br />
Curaqao Candidales <strong>to</strong>umanent 1962 Nere plared<br />
on rhe^Lr'pl^y arlbasis. Five oltbeeiShlplales<br />
at Curagao came lrom the USSR and theie sas<br />
crnicnm thar an all-play-al event galc thcnr an<br />
unlan adlanlage. In 1965 and subscquentlyFIDE,<br />
auious thar jusrice should be seen 1o be don.,<br />
afanged ascricsolmatches, id effeo aknock-out<br />
lournamcnt, <strong>to</strong> dec e which ol cighl candidates<br />
(OCrnLrORN, CARL (1841 1914). Ccnnan<br />
pld)er.Lnd lomlU\er. Alrh.ueh he \A a irun8<br />
en.ueh flater ro { n LhL We{ Germln Che$<br />
Also.irrion\ t.urnament in 1876- hc is rcmcm'<br />
bered onl! lor a.omposin! pfu tneship wilh xodrz<br />
thal l.sred thc whole ofhn ldult life. He'al$ays<br />
renai.ed thc liDe artin . . his chiel duly Nas lo<br />
polkh and advise - {ritcs VEENTN(r but the eract<br />
part played b! each of these inseparabl. lricnds<br />
Nill never bc kDown. lsee.Rnr.aL soL^kEi<br />
KOHTZ, JOHANNES (18,13 1911J). (jcrman<br />
composer, <strong>chess</strong> hislonan, dncc<strong>to</strong>r ol a raihay<br />
company Mon oi his problems \!ere conPosed i.<br />
colaboralion with his lifelong Iriend (o.x.LxoRN.<br />
bur hh sas apparently rhe driving lorce. <strong>The</strong>y<br />
chiefly composed orrhodox and MoRE<br />
MovlRs. .nd in l8?5 they Pubhhed 'HirE 7r7 aLi<br />
gewA hl e S.ha. haufgabe n. Ot grcater consequence<br />
was rhe publi.ation ol thcn book Da i,lir.re<br />
Probkn (1t)t)3). shich broushr abour a major<br />
chinge oldnc.tion in lhe art otprohlcm composi'<br />
iion. (Sce rRoBLrMs6roRy.) Aftcr a pause in their<br />
a.iiviries lhey conposed thc problen8i!en under<br />
and added the dorro Elne<br />
s.h nlh? ha.ht noch keinen Son,I./ (Onc swal<br />
los docs Dol make a sunmcr). indicaling that<br />
further problens <strong>by</strong> thcm were not necessaril! lo<br />
be erpecled. Thcse lvo pione<br />
rated in 1924 shen Ihe Germar problem associa<br />
tion SchNalbe. Vereinigung von Prcblemfteunden<br />
and ns magazine Dr S.hdlbc were lounded<br />
Kohlz srote on lhe eane\ prc-his<strong>to</strong>ry in 1910<br />
,nd .ollab.Bred *ilh Ot<strong>to</strong> Gunav Koch 11849<br />
1919) ro writc a hisroical inrrodlction for lhe<br />
eishlh edirion of Bilsuer's SANDBU.'L<br />
(Scc cR,r,cAL souNE: PBonL.<br />
rwo'rrovERi RoMAN rn.ME.)<br />
KOLISCH,IGNAC 0S3? 89). one olthe qoild\<br />
leadingplayerfrom 185910 186?, reneoberedfot<br />
his lively altacking games. Bor. in Prcssbure<br />
(Brarisl.va) oi a Nell<strong>to</strong> do Jcshh fanrilt. he<br />
codpleted hh education i. Vicnna having pre<br />
ouslycngaged inbusi.essstndiesinMilan. Attnc<br />
aec ol19 he was regardcd as thebesl<strong>chess</strong> player
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