Stockfish won at the TCEC Season 6 Special Event - Fischer Random Chess

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Watch TCEC Season 6:Stage 1a | Stage 1b | Stage 1c | Stage 2 | Stage 3 | Stage 4 | SUPERFINAL

Watch TCEC Season 6 Special Event: Fischer Random Chess computer tournament


TCEC Official page

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Stockfish won the TCEC Season 6 Special Event - Fischer Random Chess computer tournament with 25/28 points.

Fischer Random Chess computer tournament presented the 8 best engines which support Chess960 from Season 6. In Fischer Random Chess (Chess960) the pieces at the starting position are placed randomly in one of the 960 possible ways. In this particular competition opening books won't be used. The engines will play from move 1. The tournament started on 28th June, 2014 at 16:00 CEST in a quad robin format with a total of 112 games.

Results

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Stockfish won Season 6 of TCEC

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Watch TCEC Season 6:
Stage 1a | Stage 1b | Stage 1c | Stage 2 | Stage 3 | Stage 4 | SUPERFINAL

TCEC Official page

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Stockfish won convincingly in Season 6 of the Thoresen Chess Engines Competition with 35.5/64 points at the Superfinal against Komodo which finished with 28.5/64 points.

Results - SUPERFINAL

#	Name	ELO	Pts	S-B
1	Stockfish	3164	35.5	1011.75
2	Komodo 7x	3155	28.5	1011.75

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Watch TCEC Season 6:
Stage 1a | Stage 1b | Stage 1c | Stage 2 | Stage 3 | Stage 4 | SUPERFINAL

TCEC official page

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Stockfish and Komodo at the superfinal of TCEC

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Watch TCEC Season 6 with computer analysis:
Stage 1a | Stage 1b | Stage 1c | Stage 2 | Stage 3 | Stage 4 | SUPERFINAL

Official page

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Stockfish is leading so far after Round 6 at the Superfinal of Season 6 of Thoresen Chess Engines Competition. Stockfish qualified for the Superfinal after winning Stage 4 with 30/48, and Komodo - after coming second with 28/48 points.

Results - Stage 4

#	Name	ELO	Pts	S-B
1	Stockfish	3157	30	622
2	Komodo	3148	28	615
3	Houdini	3148	24	539
4	Critter 1.6a	3038	14	376

Results - Stage 3

#	Name	ELO	Pts	S-B
1	Stockfish	3135	21.5	263.75
2	Houdini	3132	18.5	222.25
	Komodo	3133	18.5	219.5
4	Critter 1.6a	3031	13	165.25
	Fire 3	3096	13	162.25
	Gull A	3021	13	156.75
7	Rybka 4	3087	10.5	111.5
8	Shredder	2921	4	54.75

Results - Stage 2

#	Name	ELO	Pts	S-B
1	Stockfish	3133	11.5	79
2	Komodo	3131	11	76.5
	Rybka 4	3076	11	71
4	Fire 3	2984	10.5	72.75
5	Houdini	3135	9.5	67
6	Critter 1.6a	3034	8	52
7	Gull A	3031	7	52.5
	Shredder	2910	7	45.5
9	Chiron	2965	6.5	44
	Hannibal 1.4b	2892	6.5	43
	Texel 1.04a	2878	6.5	41
12	Equinox 2	2956	5.5	40.5
	Naum 4	3013	5.5	34
14	Junior 13	2931	5	34.5
15	Spike 1	2884	4.5	30.75
	Protector 1.6b	2996	4.5	26.5

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Watch TCEC Season 6 with computer analysis:
Stage 1a | Stage 1b | Stage 1c | Stage 2 | Stage 3 | Stage 4 | SUPERFINAL

Official page

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Stockfish wins Stage 2 of TCEC

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Watch TCEC 2014 with computer analysis:
Stage 1a | Stage 1b | Stage 1c | Stage 2 | Stage 3

Official page

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Stockfish won Stage 2 of Season 6 TCEC with 11.5/15 points, followed by Komodo and Rybka with 11 points.

Thoresen Chess Engines Competition is a computer chess tournament organised and hosted by Martin Thoresen. Engines are allowed updates between stages, unless there is a critical play-limiting bug, in which case the engine can be updated once during the stage. TCEC generates its own ELO list from the matches played during the tournament. An initial rating is given to any new participant based on its rating in other chess engine rating lists.

Organised since 2010, it is now Season 6 of TCEC. 

Stage 2 results

1	Stockfish 060314	3133	11.5	79
2	Komodo 1188	3131	11	76.5
	Rybka 4.1	3076	11	71
4	Fire 3.1	2984	10.5	72.75
5	Houdini 4	3135	9.5	67
6	Critter 1.6a	3034	8	52
7	Gull A206	3031	7	52.5
	Shredder 12	2910	7	45.5
9	Chiron 2	2965	6.5	44
	Hannibal 1.4b	2892	6.5	43
	Texel 1.04a	2878	6.5	41
12	Equinox 2.04	2956	5.5	40.5
	Naum 4.6	3013	5.5	34
14	Junior 13.3	2931	5	34.5
15	Spike 1.4	2884	4.5	30.75
	Protector 1.6b	2996	4.5	26.5

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Watch TCEC 2014 with computer analysis:
Stage 1a | Stage 1b | Stage 1c | Stage 2 | Stage 3

Official page

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Which analysis mode do you prefer? Vote here!

Currently the automated computer analysis on ChessBomb uses the so-called MultiPV mode. This means that multiple principal variations are explored and shown, in our case the 4 best ones.

It has been proposed, and we are seriously considering it, to switch to SinglePV mode - i.e. only exploring and showing the single best principal variation according to the engine. Since this ultimately affects you, our visitors, we are leaving the decision in your hands, via the poll below. Here is a brief summary of the advantages and disadvantages of both options:

SinglePV advantages:

• Engines are much stronger in SinglePV mode than in MultiPV mode. This is because they don't waste time exploring suboptimal positions, and also because some powerful optimizations are only enabled in SinglePV mode (e.g. aspiration windows). And when we say "much stronger", we really do mean "much". According to our internal testing, Stockfish 1.9.1 in SinglePV mode is about 230 Elo points stronger than in MultiPV=4 mode.
• For people who are new to computer chess, having more than one variation is confusing. They will often start arguing that the engine is useless because it shows bad moves, which usually sends our blood pressure through the roof :)
• A single analysis line occupies less screen space than four. More room for the chat box, yay!

MultiPV advantages:

• Having analysis for more than one move is useful. For example, it's common to ask yourself "why not move X here?", and when X is among the 4 best moves, you get that answer.
• Sometimes you can feel smarter than the engine.

Vote here and help us decide:

ChessBomb Premium - Free for Everyone this Saturday

Tomorrow (Saturday, 1 May 2010) we will temporarily upgrade everyone's account to Extra Premium status during the game (round 6 of the Anand-Topalov match). Here's a gentle reminder about the additional features you will experience during this demo:

• Ad-free interface
• Unlimited analysis time (unleashing the full power of Stockfish)
• Unrestricted chat
• PGN file download

Even non-registered guest visitors will see unlimited analysis time and no ads. So jump on board, and bring friends as well :) These features are normally available starting from € 1.99 / month.

There are a couple of caveats, however:

• We expect the chat to become almost unusable due to the tremendous message flood. You will see why the restrictions we have in place are necessary :) Unfortunately, the chat room paradigm is not designed for many thousands simultaneous posters in a single room.

ChessBomb moderator at work tomorrow

• The Premium features put the server infrastructure under greater stress. When enabled for everyone, the stress is significant. So small disasters are possible... although we expect to hold well.

Main ChessBomb server after tomorrow

Now please excuse us while we run to prepare our poor little servers for this torture ;-)

ChessBomb Premium Goes Live

We are proud to introduce for you several new features, in time for the Topalov-Anand World Chess Championship Match in Sofia 2010. First, rest assured - all our previous features remain free, just like before. However, starting today we are offering several new Premium features, for a small fee (as low as € 1.99 per month).

Here are the benefits available to the owners of our new Premium Accounts:

• Advertisment-free interface.
• Infinite analysis of the last played move. In this manner you can enjoy the full power of our preferred engine Stockfish (which is dethroning Rybka 3 from the top spot in various rating lists) with regular updates for the current position.
• Unrestricted chat - premium accounts are not subject to the 10 messages per minute limitation.
• PGN file download of every game.

See detailed comparison and upgrade your account here.

Anand-Topalov World Chess Championship match live on ChessBomb.com

Today (April 21, 2010) the official opening of the most anticipated chess event of the year took place in Sofia, Bulgaria - the match for the world title between champion Viswanathan Anand and the challenger ex-champion Veselin Topalov. The clash of the titans will start on the board one day later than originally planned. The postponenement was due to the long trip of Vishy Anand to Sofia caused by the volcano in Iceland. So the first game is scheduled for Saturday, April 24 2010 12:00 GMT (15:00 EEST).

The ChessBomb team is working hard to bring you the best online coverage of this great and long expected match. The realtime analysis will be provided by the awesome Stockfish engine, which we additionally tweaked and upgraded to the latest 1.7.1 version (it has already dethroned Rybka 3 from the first place on some lists, for example CCRL FRC). As you may recall, we recently replaced Rybka 2.2 with Stockfish.

Stay tuned for some additional great announcements from us before the start of the games...

ChessBomb upgrades analysis engine

Until now, the automatic analysis on ChessBomb.com was provided by the Rybka 2.2n2 engine. The time has come, however, to replace it with a better one. We evaluated several of the current top engines, according to the following criteria:

• playing strength
• compatibility with our infrastructure
• clear legal status

Our final choice is Stockfish 1.6.3. It is currently the second strongest unambiguously legal chess engine, beaten slightly only by Rybka 3. However, Stockfish can utilize the resources of our analyzing platform better than Rybka, gaining a few more ELO points in the process.

In the end, we estimate that this change adds about 150 ELO points to the ChessBomb analysis strength. The improvement is most obvious in endgames.