TCEC Season 7

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TCEC Season 7, a private tournament directed and organized by Martin Thoresen and supported by the Chessdom Arena, started on September 19, 2014. There are 4 Stages plus the Superfinal. All book openings until Stage 4 were selected by Nelson Hernandez alias Cato the Younger and Adam Hair, except in Stage 2 which will be run without books. The 32 openings of the Superfinal were selected by IM Erik Kislik.Season 7 was the first season where the use of tablebases for the engines were not allowed.

=Participants=
 * CC Country Codes

=Stage 1= September 19, 2014 - October 23, 2014. The top 7 from each of Stage 1A/1B will qualify for Stage 2.

Stage 1b

 * SB: Sonneborn-Berger score

=Stage 2= October 24, 2014 - November 10, 2014. The top 8 will qualify for Stage 3.


 * SB: Sonneborn-Berger score

=Stage 3= November 10, 2014 - December 01, 2014. Quadruple round robin. The top 4 will qualify for Stage 4


 * SB: Sonneborn-Berger score

=Stage 4= December 02, 2014 - December 16, 2104. A dodeca round robin (6 x 12) and the openings are chosen randomly per pair so that each engine will play both sides of the same opening against each other.

=Superfinal= The Superfinal between Stockfish 141214 and Komodo 1333 was played from December 16 until December 27, 2014 with 32 different openings selected by IM Erik Kislik. Each engine plays both black and white of the same position.
 * SB: Sonneborn-Berger score


 * Encyclopaedia of Chess Openings (ECO)
 * List of chess openings - Wikipedia

=Selected Games=

Stage 2
Stockfish - Jonny, "Craziest Game of the Year 2014" by Chess.com [Event "TCEC Season 7 - Stage 2"] [Site "http://tcec.chessdom.com"] [Date "2014.10.29"] [Round "05"] [White "Stockfish"] [Black "Jonny"] [Result "1-0"]

1.d4 d5 2.c4 dxc4 3.e3 Be6 4.Nf3 c6 5.Nbd2 b5 6.a4 Nf6 7.axb5 cxb5 8.b3 c3 9.Bxb5+ Bd7 10.Bxd7+ Nbxd7 11.Nb1 Rc8 12.Qc2 Nd5 13.Ba3 e5 14.Bxf8 Kxf8 15.O-O Nb4 16.Qe4 c2 17.Na3 Nf6 18.Qb7 Nfd5 19.Nxe5 Qc7 20.Qb5 a6 21.Qa4 a5 22.Nb5 c1=Q 23.Raxc1 Qxc1 24.h3 Qc2 25.Nd6 Rb8 26.e4 Nb6 27.Qb5 Qc7 28.Ndxf7 Rg8 29.Qxa5 N6d5 30.Qa1 Nf4 31.d5 Nbd3 32.Qa3+ Qe7 33.d6 Qf6 34.d7+ Qe7 35.Qa5 Nxe5 36.Nxe5 Qd6 37.Kh2 Ng6 38.f4 Ke7 39.Nc4 Qd4 40.f5 Nf8 41.Rf2 Qxf2 42.Qe5+ Kxd7 43.Qxb8 Ke7 44.Qe5+ Kd8 45.Qd5+ Ke7 46.Qxg8 Qf4+ 47.Kg1 Qc1+ 48.Kf2 Qf4+ 49.Ke2 Qxe4+ 50.Ne3 Qe5 51.Kf3 h6 52.b4 Ke8 53.Qd5 Qf6 54.Qe4+ Kf7 55.b5 Nd7 56.Qc4+ Ke8 57.Qc8+ Qd8 58.Qxd8+ Kxd8 59.Ke4 Nf8 60.Kd5 Kc8 1-0

Superfinal
Game 14 of the Superfinal, Komodo 1333 vs. Stockfish 141214, mentioned by Christopher Chabris in The Wall Street Journal [Event "TCEC Season 7 - Superfinal"] [Site "http://tcec.chessdom.com"] [Date "2014.12.18"] [Round "14"] [White "Komodo 1333"] [Black "Stockfish 141214"] [Result "1-0"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 c4 7.Be2 Bd7 8.Nbd2 Na5 9.Rb1 Ne7 10.O-O Qc7 11.Re1 Bc6 12.Nf1 Qd7 13.Qd2 Nb3 14.Qf4 Nxc1 15.Qxc1 Nf5 16.Bd1 g6 17.Bc2 Bh6 18.Qd1 Qe7 19.g3 O-O 20.h4 b5 21.N1h2 a5 22.Ng4 Bg7 23.Qd2 b4 24.Qg5 h6 25.Nf6+ Qxf6 26.Qxf6 Bxf6 27.exf6 Nd6 28.Ne5 Ra6 29.g4 Nb5 30.a4 Nd6 31.Ra1 Rb8 32.Re2 Rab6 33.f4 bxc3 34.bxc3 Ne8 35.g5 h5 36.Nxg6 fxg6 37.Bxg6 Nd6 38.Rxe6 Be8 39.f5 Bf7 40.Re7 Rf8 41.Bxf7+ Rxf7 42.Re6 Rfb7 43.g6 Rb8 44.Re5 Rf8 45.f7+ Nxf7 46.gxf7+ Kxf7 47.Kf2 Rb2+ 48.Kf3 Rc2 49.Rxd5 Rxc3+ 50.Kf4 Rc2 51.Rxa5 Rf2+ 52.Ke3 Rh2 53.Ra7+ Kf6 54.Ra6+ Kf7 55.d5 c3 56.Rb1 Re8+ 57.Re6 Re7 58.a5 c2 59.Rxe7+ Kxe7 60.Rf1 Rh3+ 61.Kd2 Ra3 62.f6+ Kf7 63.Kxc2 Rxa5 64.Rf5 Ra3 65.Rxh5 Kxf6 66.Rh6+ Kg7 67.Re6 Kf7 68.Re4 Ra5 69.Rf4+ Ke8 70.Rf5 Ra3 71.Kd2 Kd7 72.Ke2 Kd6 73.h5 Kc5 74.Kf2 1-0

=Forum Posts=
 * TCEC Season 7 - Main Thread by Martin Thoresen, CCC, September 17, 2014
 * OpenChess Forum - TCEC Season 7
 * Excellent job by Lyudmil Tsvetkov, CCC, December 15, 2014
 * Komodo wins TCEC by Robert Flesher, CCC, December 27, 2014

=External Links=
 * TCEC - Live Computer Chess Broadcast
 * TCEC - Thoresen Chess Engines Competition | Facebook
 * The New Chess World Champion by Ken Regan, Gödel's Lost Letter and P=NP, December 28, 2014 » Larry Kaufman, Komodo
 * The Best Chess Of 2014 - Craziest Game of the Year, Stockfish vs. Jonny, Chess.com, December 29, 2014 » Stockfish - Jonny
 * The Best Chess Of 2014 - Chess Engine of the Year, Chess.com, December 29, 2014 » Komodo 8
 * The Real Kings of Chess Are Computers by Christopher Chabris, The Wall Street Journal, January 9, 2015
 * Anatomy of a Computer Chess Game by Christopher Chabris, The Wall Street Journal, January 9, 2015 » on Game 14 of the Superfinal
 * Martin Thoresen's World Chess Championship by Christopher Chabris, January 10, 2015

=References= Up one level