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

9! DORY DFPF,NCF,
unlikely to select. He alsosoughtFURE MAr and
E oNoMv of material. In 1842 he published Pra6-
lenes d'ache6, bnposat et datli s au anateu6 de
.e je,, a colecdon of 250 of his problems; an even
Iareer rumber Nas published itr ^hNDREs
mueclio. four years later.
His fanily, long resident in the Bishopnc of
Cadbrai, moved to Ge.many ia thc 16th century
and were there variously engaged i. banking.
manufactu.e. and merchanting. An8lsi *as bor.
and spent his childhood in Sl Pete$burg- Later his
father took over a snufi fado.y if, Offenbach, and
the lamily noyed the.e. Rep.eknting the family
busine$ Algust lived in Antserp irom 1836 to
1842 a during tfiis ,eriod @mposed oostofhis
prcbleds. He tived his l6t yeas in Regensburg.
DdRY DDTENCE, 171 and 220, pioneered by the
Autrian Ladislaus Ddry in 1923. KEM played it
with ene success inlernalionally. and a1 Vienna in
1937 he won a small tourname.r i. which aU Ca6es
bad 10 begia with this opening. In 1943 Baon D6ry
w6 senten.ed 10 death by the Nazis lor sedidon,
but swived in prisn and wa releded in 1945.
DOUBLE, ( 1) ro nake a pam capture that creates
DoUBGD PAws or 10 induce or lorce an oPPonenl
lo date such a captnre. For exanple alter I e4 c6
2 d.l d5 3 Ni3 dxe4 4 Nxe4 NI6 Whitc conld
double Black\ papns by 5 Nxl6+ i o. afier 1 e4 e6
2d4d5 3Nc3Nf6 4Bg5BM 5e5h6 6 Bd2
B!c3 white could double his o{n paNns by 7 bxc3.
DOUBLE, (2) to plac iwo rooks so that tbey guard
one anorher. To double rooks on an open nle or oo
tbe SEENTB N(, lor example. Enauy leads to
advantageous @mmand of that file o. rank. To
pla.e a queen and a bisbop so that they glard one
atrother and auack along the same diagonal nighl
also be called doubling, but il a player felt the need
to describe this hc would say he w6 setling up a
DOUBLE AITACT, a simnllatr;us atkck agaiist
two seParare krgeh; lhese may be e.emy sen or
squares the enemy nccds to dcfend. A donble
altack by one man asainst tso is called atuR(. A
donble altack by tNo men could anse in several
*ays, e.c. iion a DscovERED csrc(.
DOUBLE BISEOP SACRIFICE, the sacdfice or
offer olbolh bishops. one shortly alter the other.
In most insran.es the anacker has raking bishops
beanng down on fte eneny king and he comnences
by oltering the cRDEx crm. Ine nst known
examplcwas i, aCamcwon btLaske.in 1899-ee
BAUTR. (see also ruRM^N.)
DOUDLE CHECK, check given by rwo pieces
simultaneously. Itr reply a delender musl move his
ki.s, lor which reason a double chcck can be a
poserful tacric.l weapon. All double checks are
M. R Koldqrc. Z.issl lricndly eane, Vieona,
1€4e5 2NBN.6 3Bc4Bc5 4b4Bxb4 5.3Ba5 6d4
cxd4 7 Qb3 C)t6 3 e5 Nxe5 9 Nxe5 Qxe5+ l0 Kdl
Qh5+ 1rBe2Qg6 12Re1Kd3 13Ba3d6 14Q65Qfs
and Whire anounced n,e in rhree: 15 Oo3+ Kiea 16
Bb5+ (a double check) K- 17 Rea nale.
DOUBLED PAlyNS, t{o pawns oi the sane @lour
on tne sane 6le. They nay be veak be@u* they
are hdd 10 defend or because lhey lessetr lhe
nobility ol the pawn foroalion. pe.haps oeating
Hocsj they nay be strong because lhey guard
important squares or, indirecily, be.ause m adjoining
6le can be ued advantageously: or they
may be of no ac@unt. Doubl.d pawns in front oI
rbe king may teave holes that assist the onemy
altack Gee G. H. Mc@r) or the holes may be
oI litfle consequence (see NwN, Nurcv). The
6le or liles adjoining doubled pams are ukd to
advantage in the games given nnder tsALF-opEN
and rcRmG. By contrdi see
\\mlr rorMAroN for a gam. in which lhe PaPns
a.e subjecled to a powertul attack, aod see MNAW
ER fo. a game in which Blact\ doubled papns
senously resirict his nobility.
DOUaLE FIANCHET'TO. lwo fiarch€ttos made
DOUBLE.MOVE CfiESS. o. Marseilaise chess,
an unorthodor gane invented by Albert Fo.th
(187!19%), a Greek livins in Maceilles, and
desnbed by him i, a.,J,l€r. a local ne*spaper.
Each player makes two sinsle-noves on his tm to
play: a check nay be gilen only on the latter ol
tbese rwo doves and mBt bc evaded on the nEt
- single move in r.ply. In 1926, beiween rounds ol a
snall tournameni ar Bimingham, and
tte othe. conpetitors anu*d themselves ^cruINE playing
double-move chess. Challenged 10 a game of triple
move chess Alekhino, declaring lhal the tust player
should always win, delivered scHohR s MAE: t e3
&NA &Nc3 g5& g4&8ll3 2OxB&Bc4&
DOUBLD MUZIO GAMaIT, 602. Besides the
knighl sa lice thal charoclerizes the MUzIo cAM-
Brr, White sacnnces his uctsr Brssop. J. W.
saowdm played this gambit against
Taubenhaus. New York 1889, and lcl alter the
contanuation 8 . . . Kxfl 9d4Ql5.llins1ead9...
Qxd4+ then 10 Be3 Of6 11 Bxf4 with a
pronisiDg attack, a@ording 1o soviet analysis.
DOIIBLEROOK SACRIFICE. lbe sacrince oftwo
rooks, onesoon aicr the olher. U.likethelou8c
Brssop sac(FrcEvhen the tso bishops are usually
thrown into thc atlack (active sasi6ce) lhe rooks
arc uually Ieft lo be captured (passye sadifce).