Fabien Letouzey wrote:I have recently regained interest in computer chess. By a coincidence (or fate?), Joachim Rang and Ryan Benitez are also active once again.
I have been working on a new GPL engine: Senpai.
The highlights compared to Fruit are:
- from-scratch engine (no Fruit code)
- plain bitboards (I will implement magic bitboards later)
- more precise mobility (safety, centre weights)
- evaluation of tactical moves: captures and checks
- late-move pruning (last few plies)
- more aggressive futility pruning
The download page: http://www.chessprogramming.net/senpai/
Direct link: http://goo.gl/H0h1Jd
Estimated level: Protector or better (don't ask).
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Message [Page 1 of 1]
[pgn][Event "3 Minutes/Game"]
[Site "Senpai 1.0 vs. Protector 1.5."]
[Date "2014.03.18"]
[Round "93.1"]
[White "Senpai 1.0"]
[Black "Protector 1.5.0 x64"]
[Result "1-0"]
[PlyCount "59"]
[EventDate "2014.??.??"]
1. e4 {book 0s} c6 {book 0s} 2. d4 {book 0s} d5 {book 0s} 3. f3 {book 0s} e6 {
book 0s} 4. Be3 {book 0s} dxe4 {book 0s} 5. Nd2 {book 0s} exf3 {book 0s} 6.
Ngxf3 {book 0s} Nf6 {book 0s} 7. Nc4 {book 0s} b5 {-0.35/12 3} 8. Ncd2 {-0.42/
15 6 (Nce5)} Nbd7 {-0.21/13 3 (Ng4)} 9. Bd3 {-0.41/16 6} Nd5 {-0.16/14 6 (Qc7)}
10. Qe2 {-0.45/16 5} Bb7 {-0.19/15 10 (Be7)} 11. O-O {-0.40/15 3} Be7 {-0.09/
13 2} 12. Ne4 {-0.41/15 3 (a4)} Nxe3 {-0.35/13 6} 13. Qxe3 {-0.43/15 1} h6 {-0.
10/14 9 (O-O)} 14. Rae1 {-0.43/12 2 (Kh1)} O-O {-0.26/12 2} 15. c3 {-0.58/14 6
(Kh1)} Qa5 {-0.25/12 2} 16. a3 {-0.54/15 4} Rae8 {-0.16/12 6 (Rad8)} 17. g4 {
-0.23/14 4 (Kh1)} Qb6 {0.04/12 7 (f5)} 18. g5 {0.00/15 2} h5 {-0.01/13 8} 19.
b4 {-0.04/14 2 (Ng3)} e5 {0.50/12 20 (Qc7)} 20. Nc5 {0.23/15 2} Bxc5 {0.75/12 3
} 21. dxc5 {0.24/15 4} Qd8 {0.75/13 5 (Qc7)} 22. Rd1 {0.36/16 4 (Bf5)} g6 {0.
32/12 1 (Qe7)} 23. Nd2 {0.88/15 2 (Be4)} Qe7 {1.05/12 3 (Bc8)} 24. Ne4 {1.02/
16 2} Rd8 {1.23/11 3} 25. Bc2 {1.37/16 2 (Nd6)} Kh7 {1.48/11 4 (Bc8)} 26. Bb3 {
1.29/16 2} Bc8 {1.90/12 3 (Ba6)} 27. Rd6 {2.10/16 3} Kh8 {2.01/10 1 (a6)} 28.
Rdf6 {4.66/15 3 (Kh1)} Rde8 {5.82/11 5} 29. Nd6 {4.97/15 3} a6 {7.51/13 11
(Qd8)} 30. Nxe8 {6.17/14 2} 1-0[/pgn]
[Site "Senpai 1.0 vs. Protector 1.5."]
[Date "2014.03.18"]
[Round "93.1"]
[White "Senpai 1.0"]
[Black "Protector 1.5.0 x64"]
[Result "1-0"]
[PlyCount "59"]
[EventDate "2014.??.??"]
1. e4 {book 0s} c6 {book 0s} 2. d4 {book 0s} d5 {book 0s} 3. f3 {book 0s} e6 {
book 0s} 4. Be3 {book 0s} dxe4 {book 0s} 5. Nd2 {book 0s} exf3 {book 0s} 6.
Ngxf3 {book 0s} Nf6 {book 0s} 7. Nc4 {book 0s} b5 {-0.35/12 3} 8. Ncd2 {-0.42/
15 6 (Nce5)} Nbd7 {-0.21/13 3 (Ng4)} 9. Bd3 {-0.41/16 6} Nd5 {-0.16/14 6 (Qc7)}
10. Qe2 {-0.45/16 5} Bb7 {-0.19/15 10 (Be7)} 11. O-O {-0.40/15 3} Be7 {-0.09/
13 2} 12. Ne4 {-0.41/15 3 (a4)} Nxe3 {-0.35/13 6} 13. Qxe3 {-0.43/15 1} h6 {-0.
10/14 9 (O-O)} 14. Rae1 {-0.43/12 2 (Kh1)} O-O {-0.26/12 2} 15. c3 {-0.58/14 6
(Kh1)} Qa5 {-0.25/12 2} 16. a3 {-0.54/15 4} Rae8 {-0.16/12 6 (Rad8)} 17. g4 {
-0.23/14 4 (Kh1)} Qb6 {0.04/12 7 (f5)} 18. g5 {0.00/15 2} h5 {-0.01/13 8} 19.
b4 {-0.04/14 2 (Ng3)} e5 {0.50/12 20 (Qc7)} 20. Nc5 {0.23/15 2} Bxc5 {0.75/12 3
} 21. dxc5 {0.24/15 4} Qd8 {0.75/13 5 (Qc7)} 22. Rd1 {0.36/16 4 (Bf5)} g6 {0.
32/12 1 (Qe7)} 23. Nd2 {0.88/15 2 (Be4)} Qe7 {1.05/12 3 (Bc8)} 24. Ne4 {1.02/
16 2} Rd8 {1.23/11 3} 25. Bc2 {1.37/16 2 (Nd6)} Kh7 {1.48/11 4 (Bc8)} 26. Bb3 {
1.29/16 2} Bc8 {1.90/12 3 (Ba6)} 27. Rd6 {2.10/16 3} Kh8 {2.01/10 1 (a6)} 28.
Rdf6 {4.66/15 3 (Kh1)} Rde8 {5.82/11 5} 29. Nd6 {4.97/15 3} a6 {7.51/13 11
(Qd8)} 30. Nxe8 {6.17/14 2} 1-0[/pgn]
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