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Free downloads
2012-16-04 Noomen Topical Testsuite 2012.pgn, 50 topical, trendy, sharp, modern and sometimes murky positions, for engine testing.
2012-02-04 Noomen Benko Gambit Testsuite 2012, a collection positions from the Benko gambit. Designed for engine vs. engine testing.
2012-01-29 Noomen King's Indian Testsuite 2012, a collection of important positions from the King's Indian Defence. Designed for engine vs. engine testing.
2011-12-17 Noomen Sicilian Testsuite 2012, a collection of positions from the sicilian opening. Intended for engine vs. engine testing.
2011-12-03 Noomen Testsuite 2012 The 2012 version of Jeroen Noomen's set of opening positions. Intended for engine vs engine testing, gives a balanced representation of modern chess (pgn file).
2011-03-05 Rybka 4.1 update, an update for the Rybka 4 engine, fixing various bugs.
2010-12-04 Rybka Cluster Base - contains all games played by Rybka on Lukas' cluster (pgn file).
2009-10-09 All 3-4 men Nalimov endgame tablebases (ca. 30 MB).
2009-03-04 Rybka Classics - a selection of older Rybka versions (from Rybka 1.0 to Rybka 2.2), for collectors and Rybka fans.
2008-10-21 Perfect 15.ctg by Sedat Canbaz, one of the very best opening books for computer chess.
2008-09-10 Perfect 14.ctg - one of the strongest free .ctg books (by Sedat Canbaz).
2008-07-26 Noomen Testsuite 2008 - an updated version of Jeroen Noomen's set of opening positions. Intended for engine vs engine testing, gives a balanced representation of modern chess.
2008-07-26 Gambit Suite 2008 - Jeroen Noomen's set of gambit positions. Intended for engine vs engine testing.
2007-02-01 TurkII.ctg (the second version of the "Turk" opening book by Djordje Vidanovic)
2006-12-30 Sheebar.ctg (a very strong book for Chessbase interfaces by Aung Thura)
2006-11-18 Download Rybka v2.0 Rybka opening book for Arena (FAQ)
2006-09-23 Paradigm.ctg (guest book for Chessbase interfaces)
2006-06-10 Noomen Testsuite 2006 - an updated version of Jeroen Noomen's set of opening positions. Intended for engine vs engine testing, gives a balanced representation of modern chess.
2006-05-15 Rybka opening book for Arena (FAQ)