chess-The Oxford Companion to Chess - First Edition by David Hooper & Kenneth Whyld

PSEUDO-TWO-MOVER, a kind ol problen: ii
Blackwere to noveftsrWbitecouldchecknare in
replyi bul While is lo nrovc 6st, and he cannot
nlte in two moves as mighr be supposed. The
solurion may consist ollosing the hove or n oay
bearno relationship to whatvouldhappcn ilBhck
PUZZLES 26)
1936) and his son John Spencer Purdy (1935 )
nave bcen cnampions of Ausrralia.
PURE MATE, or clean matej a checknate that
meetslhe lollosing cntena: unodupied squaresid
the RNG'S FrEL, are attackcdonce only: piecesrhar
tunctio. ass.r-F-BLocKare notunderartackunless
.ecessa ly pinnedi and lhe naling nove is not a
doublecheck unle$ this is necessary to prcvcnl thc
deie.der lrom i.lcrposing a nan or capturine a
checking piece. Pu.e mates are of interest ro
composeB rather tba! players, and their oc@r
rence in a gade is usually incidcnlal.
Sreinliihl'r-Blackburnc FriendlyCame March*ie.,
1clc5 2N$Nc6 3Bc4Bc5.1.3Nl6 5d4ci4 6.rd4
Bb4+ rBdzBxd2+ 3Nlid2lNid4 q0'0d6 10Nt:l
Nxb3 1lOrb30012Re1Nh5 13e5Qg5 14exd6 Nl4
15Bxfl- Kh3 16glcid6 17Nc3Nh3+ 13Kg2QI6 19
A p.oblem by rcmz and (oc(.LxoRN. D?"rr.h?r
V/ochebcha.h-1901. \NercBlack to nove nrsl hc
qould bc mated by Nb5 or Nxe2. Whitc to play
losesthe move:1Be6 Qh5 2Bh3Oes 3Bl5Qes
4Bg4 Qe5 5 BFOc8 6Bd5,andtheblackqueen
must rclinquish her guard oi one oi olher ol the
PITLLING COUNIEIIATTACK, 525 in rhe
s.orcE caMEi in reply White usudly sacnfres a
pawn to gain positional ad!.ntagc. sr.rNrrz playcd
rhk !iri,ri.n virh f,ir sn..es\ hnr lin.e hk iime
most masten have considered Black's deiensive
rask too difficult. Tbe vanation *as onginated in
the 1830s bv wellinsron Pulliis (..1813ri6), a
strong English player with a dan lor blindlold
displays. and 6st published in waLruR S Irca,irf
PURDY, CECIL JOHN SEDDON (190G?9).
Aushaliao pl.yer and .urhor, Idternarional Mas
ter (l9sr), rntcrnalionar cotrcspondcnce che$
Grandnaste. ( 1953), s inn (+9=3-l)ofthe6Bt
World Correspondence Che$ Championship.
1950 3. He {on the nationll (o!e.lhe board)
champio.ship on rburoccasions liom 1934ro 1951,
bul is betler remembered for hn lifelone devotion
to the cause olchessinAuslralia. He loundedthe
Abttulion Ches Rerie|| a^.1edited it Irom 1929
through two chanees ol name (C[?.11 in ]945,
Ches Warld in 19,16l until 1967 when it ceased
publicatiotr. Olhisseveralbooks the nost amusing
is Anong Thele Mntes 11939), wftten under fte
pseudonym ChiclamaneuJ. Hh i.tcrcst in all
aspectsolthe Sameled him ononeoccasion to visit
the Hebrldes seeking background naterial lor a
lelevision pla, about thc r.16 cnEssMEN. Bolh
Purdy s falher-inlaw Spence. Cnkanthorp (r885-
20. . . Qgl+ 2l Rxgl No+ 22Ks2Bh3,apuremar..
There aE sellblocks o, g1. h2, and 93, nvc o.hosquares
intheking's6.ldarcanackcdonceonly, rl byabishop, hl
.nd h3 by a *ni3ht, f2 andJ] br_ a rook
PUZZLES! generally prcblens using ches pieccs
or boa.dsbut nor invokins rhe kins-s toyal porer.
The best known is probably the nr6sas tuR.
i{any such puzlcs are malhematical. For ex
ample, how man, difierenl rectangles can bc
.niline.l.n 3 che\s b.rrdl The answcr is 1.296 ol
Nhich 20,1 are squares. aReNoEM.Nrs may be
regarded as puzles. Some problens in which the
king plays a part nay be regarded as puzles. For
exanple, the board isemptyolmcn. Black hasjust
moved illegally a.d aglees to nake any move
whft€ dicrarcs. after Nhich White nales in two
moves. The answer: pla@ White Ke1, Ra1 and
Black Kb3. Whne was in rhc a.t olcastling when
Blacl litied his kingr play 1 0-0-0 Ka2 and White
maresbyl Rd3 Ka1 2 Ra3. A problen Nilh an EN
p{ss^Nr key thlt cannot be provcd LECAL may be
Mathcmatical puzles probably origiraled in
Indiaand almo( certainl, anre daredrhcinvenlioo
or.hes\ one orthe oldeslchcss MEHS. thatolthe
Brzhmin sissa called lor mathemalical under
standing Eany Arabian players called puzzles