Chess News

Houdini 1.5 leads TCEC with perfect score

The new version of Stockfish defeats Rybka 4


Houdini 1.5 is the new star of computer chess engines on the horizon. It proves the trend by taking early lead with perfect score at the first computer super tournament for 2011. Houdini got a kick start with 3,0/3 after defeating Naum 4.2, Shredder 12, and Hiarcs13.2 at the start of TCEC.

Rybka 4 had a bumpy start. After a draw against Ivanhoe B47cB, Rybka lost against the new version of Stockfish 2.0.1. It was only in round 3 that it recovered by beating Naum 4.2.

Exactly Stockfish software will be the leading engine on the computer commentaries of Tata Steel 2011 on Chessdom / Chessbomb chess platform. It will be a strong addition to the commentators team of the renowned chess author and one of the top French players GM Christian Bauer, the commentator of Topalov – Anand match and currently number 1 junior in Spain IM Alexander Ipatov, and the notable chess coach IM Miodrag Perunovic.

The TCEC chess championship continues daily on Chessdom, you can replay all games here.

Official site of TCEC


3 points for win, 1 for draw, and 0 for loss

1 Houdini 9 pts.

2 Stockfish 5 pts.
3 Rybka 4 pts.
4 Critter 3 pts.
5 Ivanhoe 3 pts.

6 Hiarcs 2 pts.

7 Shredder 2 pts.

8 Naum 1 pts.

Round 3

Hiarcs 13.2 – Houdini 1.5 0-1
Ivanhoe B47cB – Shredder 12.0 1/2-1/2
Rybka 4.0 – Naum 4.2 1-0
Stockfish 2.0.1 – Critter 0.9 1/2-1/2

Round 2

Hiarcs 13.2 – Naum 4.2 1/2-1/2
Houdini 1.5 – Shredder 12.0 1-0
Ivanhoe B47cB – Critter 0.9 1/2-1/2
Stockfish 2.0.1 – Rybka 4.0 1-0

Round 1

Critter 0.9 – Shredder 12.0 1/2-1/2
Hiarcs 13.2 – Stockfish 2.0.1 1/2-1/2
Houdini 1.5 – Naum 4.2 1-0
Ivanhoe B47cB – Rybka 4.0 1/2-1/2

More about Houdini

Houdini is a state-of-the-art chess engine for Windows, the current version Houdini 1.5 is widely considered to be the strongest chess engine on the planet.

Houdini is free for non-commercial use. It can be downloaded, installed and freely used for playing chess games and analysis of chess positions without commercial purpose.

The name Houdini was chosen because of the engine’s positionaly style, its tenacity in difficult positions and its ability to defend stubbornly and escape with a draw – sometimes by the narrowest of margins. On the other hand Houdini will often use razor-sharp tactics to deny its opponents escape routes when it has the better position.

As of December 17, 2010, Houdini 1.5 was ranked #1 on the leading IPON computer chess rating list, 50 Elo ahead of Rybka 4 and 100 Elo ahead of Stockfish 1.9 and Critter 0.9.

Houdini official site

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