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Pro Deo, (ProDeo)
a freeware version of the former commercial Rebel chess program series by Ed Schröder with a complete rewritten personality setting in self-explainable natural language, making it one of the most tunable chess engines [1]. Pro Deo is WinBoard and UCI compliant and runs under Windows with various GUIs, and incorporates an open source EOC database [2]. Pro Deo played the DOCCC 2004, ICT 2005, DOCCC 2005, DOCCC 2011, and the ICT 2012.

Selected Games

DOCCC 2004, round 4, Diep - Pro Deo [3]
[Event "DOCCC 2004"]
[Site "Leiden NED"]
[Date "2004.10.17"]
[Round "04"]
[White "Diep"]
[Black "Pro Deo"]
[Result "0-1"]
1.d4 d5 2.c4 c6 3.cxd5 cxd5 4.Nc3 Nf6 5.Nf3 Nc6 6.Bf4 Bf5 7.e3 e6 8.Bb5 Nd7
9.O-O Be7 10.Rc1 O-O 11.a3 Rc8 12.Be2 Nb6 13.Re1 a6 14.b4 Bd6 15.Bxd6 Qxd6
16.Nh4 Be4 17.Qb3 Rc7 18.f3 Bg6 19.Red1 Bh5 20.g4 Qe7 21.Ng2 Bg6 22.Kf2 Rfc8 
23.h4 h6 24.Qb2 Na7 25.g5 hxg5 26.hxg5 Qxg5 27.Qa1 Nb5 28.Nxb5 axb5 29.Rc5 
Nc4 30.Rxc7 Rxc7 31.Rh1 Nd2 32.Rh3 Bb1 33.a4 Rc2 34.Nf4 Rc1 35.Rg3 Qh4 36.axb5 
Nf1 37.Bxf1 Rxf1+ 38.Kxf1 Qxg3 39.Ke2 Qh2+ 40.Kd1 Bf5 41.Qa8+ Kh7 42.Qxb7 Bc2+ 
43.Kc1 Ba4 44.Qc7 Qg1+ 45.Kb2 Qxe3 46.b6 Qd2+ 47.Ka3 Bb5 48.Nh5 Qxd4 49.Qc2+ 
Kh6 50.b7 Qa1+ 51.Qa2 Qc3+ 52.Qb3 Qc7 0-1


Pro Deo vs. Delfi inside the Arena [4]

Forum Posts


2005 ...

2010 ...

2015 ...

External Links

Chess Engine



  1. ^ Pro Deo (version 1.2)
  2. ^ Source code ProDeo EOC database by Ed Schröder
  3. ^ Downloads | Open Dutch Computer Chess Championships | Games
  4. ^ ProDeo 1.88
  5. ^ Ideas by Ed Schröder, CCC, September 08, 2016

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