Killer (NL)

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Killer, a chess program developed by Kees de Kruif starting in the mid 70s over a period of five years, written in Pascal. Killer played the First Dutch Computer Chess Championship 1981 where it ran on a PDP-11 and became eighth of 13 with 3½ out of 8. In contrast to most other chess programs, Killer is not based on deep search and fast move generation, but applies general chess principles such as optimization of mobility, and further relies on pattern recognition, for instance to determine tactical motives like knight forks. Because Killer in general only lookes one ply ahead, it is vulnerable on combinations, and therefor tries to defend all of its pieces sufficiently, even though it may fail on overloaded and pinned pieces.

=Selected Games= DCCC 1981, Killer - Tiny Chess '86, Blackmar–Diemer Gambit [Event "DCCC 1981"] [Site "Utrecht NED"] [Date "1981.09.27"] [Round "7-9"] [White "Killer"] [Black "Tiny Chess '86"] [Result "1/2-1/2"]

1.d4 Nf6 2.f3 d5 3.e4 dxe4 4.Nc3 exf3 5.Qxf3 Qxd4 6.Be3 Qd8 7.Rd1 Nbd7 8.Bc4 a6 9.Nh3 Rg8 10.O-O e6 11.Qg3 Bd6 12.Qe1 Nb6 13.Be2 Nfd5 14.Bg5 Qd7 15.Rf2 Bc5 16.Nxd5 Nxd5 17.Rxd5 Qxd5 18.Kh1 Bxf2 19.Qxf2 Qxa2 20.Qd4 Qd5 21.Qa4+ b5 22.Qa1 Qc5 23.Qb1 Bd7 24.b4 Qd4 25.Qe1 Qe4 26.Qf2 Qxb4 27.Qg1 Qc3 28.Bd3 Rf8 29.Nf2 f5 30.Qb1 h6 31.Bh4 g5 32.Bg3 h5 33.Nh3 f4 34.Bg6+ Ke7 35.Bxf4 gxf4 36.Nf2 Qd4 37.Qg1 f3 38.g3 h4 39.gxh4 Qxh4 40.c3 Qf4 41.Bd3 Rg8 42.Qa1 Bc6 43.Qa3+ Kf6 44.Qa1 Ke7 45.Qa3+ Kf6 46.Qa1 Ke7 47.Qa3+ Kf6 48.Qa1 1/2-1/2

=See also=
 * Killer Chess
 * Killer Heuristic
 * Killer Move
 * Mate Killers

=Namesake=
 * Killer by Mario Carbonell Martinez, German Blanquer and Alvaro Benlloch

=External Links=
 * CSVNP2 - Eerste Nederlands Kampioenschappen Computerschaken (Dutch)
 * Killer from Wikipedia
 * Killer application from Wikipedia

=References=

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