Stoofvlees

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Stoofvlees, an experimental chess engine by Gian-Carlo Pascutto. The evaluation function consists of a set of feature recognizers coupled to a neural network, which was trained with an oracle, that is the evaluation was entirely automatically learned from "watching" Grandmaster games. The results were incorporated into Deep Sjeng. Stoofvlees played the ICT 2007 operated by Elke Van Vlierberghe, along with its relative Deep Sjeng.

=Stoofvlees II= In 2019, an updated version dubbed Stoofvlees II was announced to play chess at CEGT, with neural networks instantiated on Nvidia GPUs. Stoofvlees II hat its TCEC debut at Season 16 starting in July 2019, where it became runner up at the qualifier, to win three following divisions, the second division, the first division and the playoff for the premier division, finally finishing as strong fifth, and establishing as top contender in that top league in subsequent seasons.

=Selected Games=

Fight of the ANNs
ICT 2007, round 3, Hermann - Stoofvlees [Event "ICT 2007"] [Site "Leiden, NED"] [Date "2007.05.18"] [Round "03"] [White "Hermann"] [Black "Stoofvlees"] [Result "0-1"]

1.c4 e5 2.Nf3 d6 3.e4 Nf6 4.Nc3 c5 5.Be2 Be7 6.Qb3 Nc6 7.d3 O-O 8.O-O Rb8 9.Bd2 Bg4 10.h3 Bxf3 11.Bxf3 Nd4 12.Qd1 Qd7 13.a4 a6 14.a5 b6 15.axb6 Rxb6 16.Na4 Rb3 17.Be2 Rfb8 18.f4 exf4 19.Rxf4 Ne8 20.Bc3 Bg5 21.Rf1 Be3+ 22.Kh2 Qe7 23.g3 Nc7 24.Bf3 g6 25.Bg2 Nce6 26.h4 Nf4 27.Bf3 R8b4 28.Ra3 Rxa3 29.bxa3 Rb8 30.Bg4 h5 31.Bxd4 Bxd4 32.Rxf4 Be5 33.Bh3 Bxf4 34.gxf4 Qxh4 35.Qd2 Rb3 36.Nc3 Qf6 37.Nd1 Rxa3 38.Bg2 a5 39.Bf3 a4 40.Be2 Rb3 41.Kg1 a3 42.e5 dxe5 43.Qa2 Qb6 44.fxe5 Qb4 45.e6 Qe1+ 46.Bf1 Qxd1 47.e7 Qg4+ 48.Kh2 Qf4+ 49.Kg2 Rb2+ 50.Qxb2 axb2 51.e8=Q+ Kg7 52.Qb5 Qd2+ 53.Kg1 Qg5+ 54.Kf2 Qc1 55.d4 Qf4+ 56.Kg2 Qe4+ 57.Kg1 Qxd4+ 58.Kh2 Qf2+ 59.Bg2 Qh4+ 60.Bh3 Qf4+ 61.Kg1 Qc1+ 62.Kf2 Qc2+ 63.Ke3 b1=Q 0-1

TCEC Season 18
TCEC Season 18, Premier Division Komodo 2551.00 - Stoofvlees II a14 [Event "TCEC Season 18 - Division P"] [Site "https://tcec-chess.com"] [Date "2020.05.25"] [Round "1.4"] [White "Komodo 2551.00"] [Black "Stoofvlees II a14"] [Result "0-1"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Bg5 h6 5.Bh4 d6 6.Nf3 O-O 7.e3 Nbd7 8.Be2 c6 9.O-O g5 10.Bg3 Nh5 11.Qc2 Nxg3 12.hxg3 e6 13.b4 Qe7 14.Rab1 a5 15.a3 axb4 16.axb4 Rd8 17.Rfd1 h5 18.Bd3 g4 19.Nh4 Nf8 20.Qc1 Bf6 21.Ne4 Bxh4 22.gxh4 Qxh4 23.c5 d5 24.Nd6 Qg5 25.b5 h4 26.Kh1 Ng6 27.f4 Qh5 28.Rd2 g3 29.Kg1 cxb5 30.Bxb5 Kf8 31.Qe1 Ne7 32.Ra1 Rxa1 33.Qxa1 Qg6 34.Qc1 Bd7 35.Bd3 Qh5 36.Nxb7 Ra8 37.Nd6 Ra7 38.Be2 Qh8 39.Qd1 Bc6 40.Rb2 Kg7 41.Bf1 f5 42.Rb3 Kg6 43.Bd3 Kf6 44.Bf1 Ra2 45.Rb6 Kg7 46.Rb4 Kg6 47.Rb1 Ba4 48.Qe1 Qa8 49.Ra1 Bd7 50.Rxa2 Qxa2 51.Be2 Ng8 52.Nb7 Qb3 53.Ba6 Nf6 54.c6 Bxc6 55.Nc5 Qa3 56.Bd3 Ng4 57.Bf1 Kf6 58.Nd3 Bb5 59.Qb4 Qxb4 60.Nxb4 Bc4 61.Bd3 Kg6 62.Bb1 Nxe3 63.Nc2 Nd1 0-1 =See also=
 * Chess Engines with Neural Networks
 * Learning Chess Programs
 * Leela Chess Zero

=Forum Posts=
 * Sjeng 2.7 released by Jens, CCC, September 03, 2007
 * Re: Gaviota TBs, compression schemes by Gian-Carlo Pascutto, CCC, December 30, 2009
 * Re: Chess program with Artificial Neural Networks (ANN)? by Gian-Carlo Pascutto, CCC, January 07, 2010
 * Re: Chess program with Artificial Neural Networks (ANN)? by Gian-Carlo Pascutto, CCC, January 08, 2010
 * the digital rebirth of Deep Sjeng by Werner Schüle, CCC, May 01, 2019

=External Links=
 * Carbonade flamande from Wikipedia
 * Belgian cuisine from Wikipedia
 * Cookbook:Stoofvlees from Wikibooks

=References= Up one Level