OpenChess

This is my new CTG book for games on PlayChess.com. Solista vSlow Hardware.ctg:



Download on my new homepage:

https://solistachess.jimdosite.com/books/

Have fun!
Eduard

Solista Attack v2-CTG (ZIP, 15 MB):

https://filehorst.de/d/efmmFzrz

and on my Homepage

https://solistachess.jimdosite.com/books/

Improved Openings Book for PlayChess.com, playing style by Solista. Best Openings Book for my Engine Solista Attack v2.

Book Settings:
Tournament Book
Minimum games 1
Up to Move 50 (important)
Learning 500 (max)

I updated all my openings books today. There is also a recent free engine book:

ENGINES-2022.CTG (ZIP 153 MB)
This book contains 170000 best games from PlayChess.com.
Settings: Tournament book, Minimum games 1, Up to move 50, Variety of play 100, Learning max.

Downloads on my homepage:
https://solistachess.jimdosite.com/books/

Picture:

very grateful for your book. your soloist attack v2 engine is really very good too, regards

Thanks for the book.

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14 Feb 23: Solista Universal v1.6. + v1.6 extreme.CTG, ChessBase-Format (2 books in the package):

https://solistachess.jimdosite.com/books/

Solista Universal extreme.CTG:


Here are two books in one package (normal and extreme). This book is maximum fun. It plays all known openings, including gambits. But don't worry: all variants have been tested in engine tournament practice. The extreme book also plays very rare lines like 1.g4, 1.b4, 1.e4c5 b4, 1.d4Nf6 c4e5 ...and many more. In the case of moves such as 1.c3 or d3 or e3, a change of move is often attempted on the server, e.g.: 1.e3 e5 2. e4 --> you are playing with swapped colors. That's why I have such moves with a !? provided, which means that these moves are only played if the checkmark under "Tournament book" is deactivated. Otherwise, almost everything comes into play.

I updated my universal + extreme book:
https://solistachess.jimdosite.com/books/

This books are maximum fun. It plays all known openings, including gambits. But don't worry: all variants have been tested in engine tournament practice. I played with the extreme book in autoplayer mode on PlayChess.com for three days, and improved all the variants! The hardware had 8 cores. Only 1.g4 had lost. All other variants, which are declared as weak, received a draw! If you absolutely want to play 1.g4, you have to deactivate the tournament book in the book options. Then will all as "!?" marked variants played.

The weakest opening is 1.g4. If black correct 1...d5! plays, then white cannot get an equalizer. In all variants, Black retains a +1 advantage into the endgame.

I am surprised, that not other variant has lost! Every game played with 1...g6 ended in a draw too! All gambits also drew.

I consider the Budapest Gambit difficult to defend, but it managed to draw in the test. An interesting variation (Berlin Defense) begins after the following moves:

DIAGRAM


1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O Bg4 7. h3 Bh5 8. g4 Nxg4 *

Stats in the Universal Book:


Why does White win so often? This is where Stockfish seems to misjudge. Far into the middlegame, an advantage of +0.50 is assessed for Black. Then Black (especially in the blitz games) tries to avoid a draw and overruns the position! White just has to wait. My few games with black on PlayChess.com ended in draws.

Download all 328 games in the test, Extreme.PGN (ZIP) and on my Homepage:
https://filehorst.de/d/ezCmxxzB

Eduard