The Rybka 3 book – looking for something new?

10/26/2008 – The chess program Rybka, which easily tops all computer rating lists, owes part of its success to the use of one of the finest openings books available today. It is not just great for Rybka's playing strength but is also a secret source of inspiration for tournament players of all categories. We bring you ten more examples of the kind of ideas you can find in this treasure trove of an openings book.

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Some spectacular moves from the Rybka 3 book

The Rybka 3 opening book is a high-class compilation of opening theory. It was developed for the world’s strongest chess program, Rybka 3, and will maximize the program’s playing strength. The choice of variations in the book is well suited to the style of the program, and the book has been fine-tuned and checked in thousands of games.

The Rybka Book has high value outside computer chess. It reflects the state of current opening knowledge as played in master, correspondence and 100,000 top computer games (up to June 2008). And this is only the starting point: the value of the book lies in its deep original analysis and move choices, which lead to a re-evaluation in many critical points of modern theory. This makes it useful for tournament and correspondence players alike. The book contains a lot of computer-checked analysis never published anywhere before.

In a recent article we presented ten new and exciting ideas that can be found in the Rybka 3 book. Today we bring you ten interesting position extracted from the same book. They illustrate the kind of gems tournament players can extract when working with the program and its extraordinary openings book.

Position 1: Sicilian Rauzer

Rybka3.ctg 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.0-0-0 h6 9.Nxc6 bxc6 10.Bf4 d5 11.Qe3 Bb4 12.Be2 Qa5 13.Be5 Be7 14.exd5 cxd5 15.h4 0-0 16.Rh3 Bc5

17.Qxh6!!+– winning.

Position 2: Ruy Lopez Zaitsev

Rybka3.ctg 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Re1 b5 7.Bb3 d6 8.c3 0-0 9.h3 Bb7 10.d4 Re8 11.Nbd2 Bf8 12.a4 h6 13.Bc2 exd4 14.cxd4 Nb4 15.Bb1 c5 16.d5 Nd7 17.Ra3 c4 18.Ree3!? Rc8 19.axb5 axb5 20.Nd4 Qb6 21.N2f3 Na6 22.Nf5 g6

23.N3h4! b4 24.Rg3! Ne5 25.Rxg6+!!

Position 3: Sicilian Najdorf

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.0-0-0 Nbd7 10.g4 b5 11.Bxf6 Nxf6 12.g5 Nd7 13.f5 Nc5 14.f6 gxf6 15.gxf6 Bf8 16.Rg1 Bd7 17.Rg7 h5 18.a3 Rc8 19.Kb1 Qb6 20.b4 Na4 21.Nxa4 bxa4 22.Rg5 Rc5 23.e5 dxe5 24.Qe4 Rh6

White plays 25.Bb5!!

Position 4: Sicilian Najdorf

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qf3 Qc7 9.0-0-0 b5 10.e5 Bb7 11.Qh3 dxe5 12.Nxe6 fxe6 13.Qxe6+ Be7 14.Nxb5 axb5 15.Bxb5 Be4 16.c3 0-0-0 17.Rhe1

Black plays 17... Ba3!

Position 5: Sicilian Najdorf

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qf3 Qc7 9.0-0-0 b5 10.Bxf6 Nxf6 11.e5 Bb7 12.Qh3 dxe5 13.Ncxb5 Qb6 14.fxe5 Ne4 15.Bc4 Nf2 16.Qc3 Bc5 17.Nxe6 Nxd1 18.Nd6+ Bxd6 19.Nxg7+ Kf8 20.Rf1

Black plays 20... Bd5!!

Position 6: Sicilian Najdorf

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nbd7 8.Qf3 Qc7 9.0-0-0 b5 10.Bd3 Be7 11.Rhe1 Bb7 12.Qg3 b4 13.Nd5 exd5 14.exd5 Kd8 15.Nc6+ Bxc6 16.dxc6 Nc5 17.Bh4 Rg8 18.Bf5 g6 19.Qe3 gxf5 20.Qxc5 Rg6

White plays 21.g4!

Position 7: Poisoned Pawn

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Nb3 Qa3 10.Bxf6 gxf6 11.Be2 Nc6 12.0-0 Bd7 13.Kh1 Rc8 14.Nd1 h5 15.Ne3 Qb4 16.Qd3

Black to play: 16... Ne5!

Position 8: Poisoned Pawn

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3 10.e5 h6 11.Bh4 g5 12.fxg5 dxe5 13.g6 Be7 14.Bb5+ Bd7 15.Bxf6 Bxf6

White to play: 16.0-0!!

Position 9: Poisoned Pawn

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 Qxb2 9.Rb1 Qa3 10.e5 dxe5 11.fxe5 h6 12.Bh4 g5 13.exf6 gxh4 14.Be2 Qa5 15.0-0 Nd7 16.Kh1 Qg5 17.Rf4 e5 18.Nd5 exd4 19.Bf3 Bd6 20.Qxd4 Kd8 21.Rxh4 Bc5 22.Qc4 Re8 23.Rd1 Bd6 24.Rhd4 Re6 25.Qd3 Qe5 26.g3 Bc5 27.Rg4 h5 28.Rg8+ Re8 29.Qh7 Nf8 30.Ne7+ Kc7 31.Qxf7 Be6 32.Nd5+ Kb8 33.Qxe8+ Ka7 34.f7 Bxd5 35.Rxd5 Rxe8

White to play: 36.Kg2!!

Position 10: Poisoned Pawn

Rybka3.ctg 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.f3 b5 8.Qd2 Nbd7 9.g4 b4 10.Na4 h6 11.0-0-0 Ne5 12.Qxb4 Bd7 13.Bf4 g5 14.Bd2 Rb8 15.Qa3 a5 16.Bc3 Qc7 17.Be1 Qa7 18.c4 h5 19.Nb5 Nxc4 20.Bxc4 Bxb5 21.Bxb5+ Rxb5 22.Qc3 Bg7 23.gxh5 Qb7 24.Rxd6 0-0 25.Qc2 Rc8 26.Bc3 Qb8 27.Rd2 Qf4 28.Rf1 Ng4 29.Qd3

Black to play: 29... Rxb2!!

All these positions can be found in the new Rybka 3 opening book. Number of positions in the Rybka 3 book: 3,387,966. Size 260 MB. The book runs on any recent ChessBase software. The price is 24.99 € including German VAT, 21.00 Euro without VAT (for customers outside the European Union), or US $28,56 (without VAT).

The author of the Rybka 3 book is Jeroen Noomen, one of the world’s leading experts in computer opening theory. Jeroen Noomen has been on the Rybka team since the very start, and his preparation is used in all official events, including the World Championship 2007 which Rykba won. In his long career as an opening analyst he has achieved many fine novelties in top computer chess events.



Multi-processor version: Deep Rybka 3   99.90 Euro
Single processor version: Rybka 3   49.99 Euro
Rybka 3 Book   24.99 Euro

Note that Rybka 3 includes a database of one million games, and that the purchase of the program entitles you to one year of access to the chess server Rybka 3 is a UCI engine, with 32 and 64-bit versions included in the package. Rybka can be made the default engine in ChessBase 10.

Order Rybka now

The Rybka Book – a treasure trove for tournament players
18.10.2008 – The chess program Rybka, which just won the Computer Chess World Championship, is the strongest in the world. Part of its success comes from using one of the finest openings books available. This is great for Rybka's playing strength, but it is also a secret source of inspiration for tournament players of all categories. A treasure trove. Can you afford to ignore it?

Rybka wins World Computer Chess Championship
06.10.2008 – The US program Rybka won the 16th World Computer Chess Championship that was held in Beijing, China, a full point ahead of its nearest rival, the British program Hiarcs. Third, a point behind, was the Israeli program Junior, followed by Cluster Toga and then Shredder. The hardware used in the event ranged from a 40-core system to a Nokia cell phone. Final report.

The Milov vs. Rybka Handicap Match
24.09.2008 – The chess program Rybka has played a number of handicap matches against titled players, but never before one against a 2700+ player. Last week it got an opportunity against Vadim Milov, playing two regular games, two with pawn and move handicap and four with exchange odds. It was a well-matched battle, instructive for both the programmers and the Super-GM. Larry Kaufman reports.

Make your ChessBase Rybka-ready
11.09.2008 – Running the strongest chess engine under the best ChessBase program ever is a real big thing – but not a big deal at all. With both Rybka 3 and ChessBase 10 installed on your system, all you have to do is to upgrade your ChessBase program. Buy ChessBase 10 and Rybka 3 now or read all about how to get the two to work in perfect harmony.

Rybka vs Meyer – pawn and two move handicap match
14.08.2008 – Before the rating system players were generally classified by the handicap a stronger player could give them. The chess program Rybka has a higher rating than any human, and recently it beat GM Roman Dzindzichashvili in a pawn and move handicap game. Would it be able to acquit itself similarly against an IM who got a pawn and two moves handicap? It would and it did.

The Dzindzi – Rybka 3 Handicap Match
09.08.2008 – Chess with material handicaps was played by Philidor, Staunton, Morphy and Steinitz. Particularly popular was “pawn and move”, with Black missing his f7 pawn. Naturally you find the grandmaster playing the handicapped side. But can a strong GM beat a computer when playing with the handicap pawn and move? Roman Dzindzichashvili tried it against Rybka 3.0. IM Larry Kaufman reports.

Rybka 3.0 – All you need to know about the new program
29.07.2008 – Does it run on 64-bit machines? Is it optimised for the 64-bit environment? Do we get two engines, one for 32 and one for 64 bit systems? These were the most common questions we received after announcing our new Rybka 3 chess engine. And what are the most important new functions? How do they help with training and analysis? Here are the answers.

Rybka 3.0 – Not just the strongest chess program in the world
18.07.2008 – Developed by IM Vasik Rajlich, Rybka is the shooting star amongst chess programs. It won the 2007 world championship and leads easily in all computer rating lists. Now it is available in the dramatically improved version 3.0 and under the ChessBase-Fritz interface. It includes exciting new analysis functions you will not find in other programs. You can order it now.

Rybka wins the 15th ICGA Computer World Championship
19.06.2007 – Once a year the International Computer Games Association stages a world championship in computer chess (and other board games). This year it was held in Amsterdam and was won by the American program Rybka, ahead of compatriot Zappa. Defending champion Junior did not participate. The German program Shredder won the blitz world championship. Report and games.

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