Hiarcs 13 Professional Openings Book

The Hiarcs 13 Pro book is a very strong and varied opening book derived from top correspondence and over the board human games, together with the best computer games, giving a superb combination. You get the latest cutting edge chess theory and a wealth of novelties to provide a huge repertoire of finely tuned variations. In addition to this strong foundation, the book has many novelties and variations that have been analyzed by Hiarcs to eliminate mistakes and improve the quality of book. The book is right up to date as of mid December 2010 including even games from the London Chess Classic and Moscow tournaments.

With 2,925,276 positions, and 382,899 variations - plus statistics from 678,641 high quality games - the Hiarcs13 Pro book is a great resource for the active player who wants to be right up to date.

The Hiarcs 13 Pro book has a very large number of playable variations which gives a lot of variety and means the book is able to address the needs of many different players, from human tournament preparation to online computer games. Despite having more variety than most other commercial books the Hiarcs 13 Pro Book is significantly stronger, typically scoring 55+% in head to head matches between books with equal engines over 300 games. For example, in a match of 300 games against the highly rated Rybka 4 book, the Hiarcs 13 Pro book scored more than 55%.

Hiarcs 13 customers who already have the Hiarcs 13 Lite opening book will be delighted to know the Pro book adds up to 50 Elo to the strength of the program.

The book is written by Mark Uniacke, the author of Hiarcs, and he has been supported by Correspondence IM Harvey Williamson and computer chess expert Eric Hallsworth, both of whom are also part of Team Hiarcs.

Below we are presenting just a small fraction of the new or reassessed material that is available in the Hiarcs 13 Pro book.




D97
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Qb3 dxc4 5.Qxc4 Bg7 6.Nf3 0–0 7.e4 Na6 8.Be2 c5 9.d5 e6 10.0–0 exd5 11.exd5 Bf5 12.Be3 Qb6 13.b3 Rfe8 14.Rad1 Rad8 15.Na4 Qa5 16.d6 Rd7


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[17. Qb5 was played in ½–½ Gyimesi,Z (2602)-Smirin,I (2702)/Pula 2001/CBM 084 ext; ] however, 17.Nxc5 is much stronger e.g. Nxc5 18.b4 Qa3 19.bxc5 Rxe3 20.fxe3 Ng4 21.Qb3 Qxb3 22.axb3 Nxe3 23.Nd4 Nxd1 24.Rxd1 Be4 25.Kf2