The Week in Chess

Friday, June 13, 2014

The Big Four Chess Tournament - 06/10/2014 - Third Batch, Final

The third batch of The Big Four Chess Tournament has just completed. The rankings are all the same from batch 1 to batch 3 with Stockfish 5 having the biggest gap of 41 points against Houdini, while Komodo 7a is 11 points behind Houdini and Gull 3 is 12 points lower than Komodo.

The Big Four Chess Tournament, 06-10-2014 - 100R 1M1S - Batch 3
RankEngineScoreStHoKoGuS-B
1Stockfish 5 x64 189.5/300· ·· ·· ··34-9-5742-10-4832-10-58 25948.25 
2Houdini 4 Pro x64148.5/3009-34-57· ·· ·· ··30-21-4934-21-45 21635.25 
3Komodo 7a x64 137.0/30010-42-4821-30-49· ·· ·· ··34-19-47 20387.25 
4Gull 3 x64 125.0/30010-32-5821-34-4519-34-47· ·· ·· ·· 19672.75 


600 games played / Tournament finished

Tournament start: 2014.06.12, 09:59:46
Latest update: 2014.06.13, 09:29:55
Level: Blitz 1/1
Hardware: AMD Phenom(tm) II X4 945 Processor with 1.8 GB Memory
Operating system: Windows 7 Ultimate Professional Service Pack 1 (Build 7601) 64 bit
Table created with: Arena 3.5


When all the games of the 3 batches were combined to "break the doubts" of the ranking between the 2nd and 3rd strongest engines in the Owl Rating List, it showed that Houdini 4 edged Komodo 7a by a mere 1.08 ELO rating points.  The margin is just too small statistically to declare Houdini 4 as the 2nd best. It might just be safe to say that Houdini 4 and Komodo 7a have the same strength in this rating list site, but for presentation let the ranking speak for itself. Let's wait for their respective engine updates to decide who really will be stronger convincingly.

Here is the combined tournament statistics:
.
Rank Engine True ELO Raw ELO Games Score% Points Win Loss Draw Change
1 Stockfish 5 x64 3168.84 55.76 900 61.28 551.5 314 111 475 4.28
2 Houdini 4 Pro x64 3106.91 -3.82 900 50.39 453.5 206 199 495 1.08
3 Komodo 7a x64 3103.71 -16.30 900 47.11 424.0 198 250 452 -5.38
4 Gull 3 x64 3075.24 -35.64 900 41.22 371.0 139 297 464 -0.72
.
Download the combined tournament games PGN here.

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