Chess Ebbiz

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Chess Ebbiz,
a chess engine by Bruno Bras, written in x86 Assembly. Chess Ebbiz 9 played the WCSC 2017, where is was plagued by serious bugs and lost all games badly [1].

Photos and Games


WCSC 2017, Round 4 with Bruno Bras and David Norris in front, Hans van der Zijden taking notes for Computerschaak


Ziggurat vs Chess Ebbiz 9

[Event "WCSC 2017"]
[Site "Leiden"]
[Date "2017.07.01"]
[Round "4.3"]
[White "Chess Ebbiz 9"]
[Black "Ziggurat"]
[Result "0-1"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 b6 10.Be3 Bb7 
11.f3 b5 12.a4 b4 13.Nd5 Nxd5 14.Qxd5 Bxd5 15.Ra2 Bxb3 16.Rg1 Bxa2 17.Re1 Be6 18.Rf1 Nd7 19.Rf2 
Bg5 20.Kg1 Bxe3 21.Kf1 Qb6 22.c3 Bxf2 23.Bd3 Qe3 24.b3 Qe1# 0-1


from the tournament report [2].

The Chess Ebbiz program was facing the same bug as in two earlier games. Before the tournament it possessed good credentials and the author thought that he had improved its playing strength by some last mini changes. The reverse action had taken place. The program had worsened and the depreciation for the own queen was leading in the decisions. A clear loss after a completely wrong queen capture.

External Links


  1. WCSC 2017 - Chess Ebbiz 9
  2. Jan Krabbenbos, Jaap van den Herik, Guy Haworth (2017). 7th World Chess Software Championship. pdf

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