OpenChess

Great position, it's hard to believe that black cannot win after move 75:

8/2P5/pK6/P3k3/4P3/1P6/8/5q2 b - - 75 20

Ladder match challenges over.

IvanHoe 63 loses its rank to Houdini 1.02 (4.5 - 6.5). Houdini now ranked 1.
IvanHoe 57 defends challenge by Fire 1.31 (6 - 4). IvanHoe 57 remains at rank 3.

Ratings updated to include another 21 games. File containing all 269 games can be downloaded here.

Be warned: small samples, haphazard matching.

There are 2 new ladder matches.

#3, IvanHoe 57 (3) challenges Houdini 1.02 (1), and
#4, Igorrit 0086v9 (7) challenges IvanHoe Mod12c (5).

Overnight, Houdini and 57 drew their first 2 games.

Challenge matches #3 and #4 completed.

Houdini 1.02 beat IvanHoe 57 6.5 - 3.5, and so remains top of the ladder.
IvanHoe Mod12c and Igorrit 0086v9 drew 6 - 6, which was not enough for Igorrit to advance.

The ratings have been updated to include these matches. Now 291 games in all. The PGN file has been further edited. Elo figures have been adjusted.

Two new ladder matches.

#5, IvanHoe 81 (rank 6) challenges Fire 1.31 (4), and
#6, Stockfish 1.8 (10) challenges Igorrit 0086v7 (8).

Stockfish has already won, mating on its 45th move.

Some of the games will be available live. Notice will be given in a dedicated thread, once testing completed.

On my main chess page, you can subscribe to the chess feed and thus have messages sent to you.

Matches #5 and #6 completed. Both challenges failed narrowly.

Fire 1.31 drew 6-6 with IvanHoe 81, and so Fire remains 4th.
Igorrit 0086v7 keeps 8th spot with an unassailable 6-5 against Stockfish 1.8.

Two new ladder matches.

#7, IvanHoe 57 challenges IvanHoe 52, and
#8, Houdini 1.02 challenges Houdini 1.03a.

#7 already 1-1 (2 draws).

On my main chess page, you can subscribe to the chess feed.

Also, ratings data updated to reflect results of challenges #5 and #6.

AMD Phenom(tm) II X6 1090T Processor6x @ 3.2 GHz 4,096 MB Memory
Windows 7 Home Premium Edition (Build 7600)
Fritz Benchmark:
Speed: 23.33
KNS: 11196
GUI: CB Rybka 3
Book: Perfect 2009 10 moves
Hash: 256
RB and TB: ON
Ponder: OFF

Blitz:10' 0

robbolito

What are you replying to?

Regards.