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El ajedrez es un juego, considerado un deporte, entre dos personas, cada una de las cuales dispone de 16 piezas móviles que se colocan sobre un tablero dividido en 64 escaques. En su versión de competición está considerado como un deporte.
El ajedrez es un juego, considerado un deporte, entre dos personas, cada una de las cuales dispone de 16 piezas móviles que se colocan sobre un tablero dividido en 64 escaques. En su versión de competición está considerado como un deporte.
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Turmoil in the Traxler Two Knights<br />
Survey/Review by Tim Harding<br />
FEW variations in chess are so tactically<br />
complex and fun to investigate<br />
as the Traxler counter-attack in<br />
the Two Knights Defence, 1 e4 e5 2<br />
¤f3 ¤c6 3 ¥c4 ¤f6 4 ¤g5 ¥c5. The<br />
positions that typically arise (especially<br />
when White provokes the piece sacrifice<br />
on f2) are terrifying in their randomness.<br />
Kings go for walks, knights eat rooks<br />
in the corner, material is unbalanced,<br />
checks and mate threats abound and<br />
pieces land up on unusual squares.<br />
XIIIIIIIIY<br />
9r+lwqk+-tr0<br />
9zppzpp+pzpp0<br />
9-+n+-sn-+0<br />
9+-vl-zp-sN-0<br />
9-+L+P+-+0<br />
9+-+-+-+-0<br />
9PzPPzP-zPPzP0<br />
9tRNvLQmK-+R0<br />
xiiiiiiiiy<br />
Researching and analysing this variation<br />
in enormous depth has been a<br />
labour of love for Dan Heisman (an<br />
American OTB player rated 2285 by<br />
FIDE). The fruits of his work are now<br />
available as a CD-ROM electronic book<br />
published by Pickard & Son of Dallas,<br />
Texas (www.chesscentral.com or PO Box<br />
2320, Wylie TX 75098); price $29.95.<br />
Mr Heisman is a member of the International<br />
Computer <strong>Chess</strong> Association<br />
and worked at both the Kasparov-Deep<br />
Blue matches. If any opening would lend<br />
itself to new discoveries being made by a<br />
www.chessmail.com<br />
Part One (C57)<br />
computer, you would think this might be<br />
it, and he has used computers extensively<br />
to analyse the critical positions.<br />
The Traxler Counterattack CD<br />
really requires you to have <strong>Chess</strong>Base<br />
on your computer (CB6, 7, 8 or the<br />
free <strong>Chess</strong>Base Light would do) as the<br />
analysis and text (54 detailed surveys) are<br />
all included in a 1650-game <strong>Chess</strong>base<br />
database. (However a complete PGN file<br />
is also included.)<br />
I decided to compare some of Heisman’s<br />
opinions and discoveries with<br />
what is said about this line in the standard<br />
reference works and the new<br />
book “Zweispringersystem bis Traxler-<br />
Gegengambit” by József Pálkövi (Caissa<br />
<strong>Chess</strong> Books, Kecskemet 2000).<br />
This is not intended to be the kind<br />
of article that makes new analytical<br />
suggestions, but in view of the wide<br />
discrepancy between what different<br />
sources say about the Traxler, I think<br />
a comparative survey is useful. I shall<br />
start with the popular 5 ¥xf7+ lines<br />
and in part 2 I shall move on to the<br />
line where White is coming closest to<br />
a refutation.<br />
45
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