Bruteforce_binbook

[Divva5]

Updated :
- white_Mustaganem 110424.bin (book's moves @ min. 20%, line @ min +80 cp, max 40 moves)

white_Mustaganem 110424.lst (after only 13 moves)

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6,97/26 : min. 66% : e2e4 e7e5 b1c3 g8f6 g1f3 b8c6 d2d4 e5d4 f3d4 c6d4 d1d4 f8e7 e4e5 e8g8 e5f6
6,97/26 : min. 66% : e2e4 e7e5 g1f3 b8c6 b1c3 g8f6 d2d4 e5d4 f3d4 c6d4 d1d4 f8e7 e4e5 e8g8 e5f6
6,97/26 : min. 66% : e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6 b1c3 c6d4 d1d4 f8e7 e4e5 e8g8 e5f6

As expected after 40 moves, they are already 66% of chance that this book (when playing as black) enters in a line evaluated at +6.97/26 for white

Looks like the Mustaganem book is showing some solid stats After 40 moves, it's interesting to see that it gives white a 66% chance of taking control of the game. The evals and lines seem to be setting up for strong positions early on.

What’s your take on the line where Black plays so passively after 20 moves? Do you think it’s a strategic sacrifice, or just bad positioning?

[deeds]

Looks like the Mustaganem book is showing some solid stats After 40 moves, it's interesting to see that it gives white a 66% chance of taking control of the game. The evals and lines seem to be setting up for strong positions early on.

What’s your take on the line where Black plays so passively after 20 moves? Do you think it’s a strategic sacrifice, or just bad positioning?

Opening books are not my area of ​​expertise so I would have a hard time explaining why they offer such disadvantageous lines for them.

[deeds]

I didn't invent anything, look at the percentages of the [Mustaganem 110424] book :

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6,97/26 : min. 66% : e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6 b1c3 c6d4 d1d4 f8e7 e4e5 e8g8 e5f6
                           66%       95%      100%       83%      100%      100%  out-of-book

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[deeds]

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Here is the SF16.1's evaluation when the [Mustaganem 110424] book is out-of-book after 6... Be7 :

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Stockfish 16.1 by the Stockfish developers (see AUTHORS file)
position startpos moves e2e4 e7e5 g1f3 b8c6 d2d4 e5d4 f3d4 g8f6 b1c3 c6d4 d1d4 f8e7
go infinite
info string NNUE evaluation using nn-baff1ede1f90.nnue
info string NNUE evaluation using nn-b1a57edbea57.nnue
...
info depth 32 seldepth 43 multipv 1 score cp 326 nodes 31273684 nps 456190 hashfull 1000 tbhits 0 time 68554 pv e4e5 e8g
8 e5f6 e7f6 d4d3 c7c6 c3e4 f6e7 f1e2 d7d5 e4g3 f7f5 f2f4 e7f6 e1g1 f8e8 a1b1 d8b6 g1h1 g7g6 c1d2 c6c5 e2f3 c8e6 b2b3 a8d
8 f1e1 c5c4 b3c4 d5c4 d3a3 b6b1 e1b1 d8d2 c2c3
...

[deeds]

Updated :
- bruteforce_binbook.exe (show the ECO code of the current position)

[deeds]

Added :
- white_Maverick 290813.bin (book's moves @ min. 20%, line @ min +80 cp, max 40 moves)

white_Maverick 290813.lst

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2,08/26 : min. 26% : g1f3 d7d5 d2d4 g8f6 c2c4 c7c6 b1c3 d5c4 a2a4 c8f5 f3e5 b8d7 e5c4 d8c7 g2g3 e7e5 d4e5 d7e5 c1f4 f6d7 f1g2 f7f6 e1g1 d7c5 c4e3 f5g6 b2b4 c5e6 a4a5 a8d8 d1b3
3,19/26 : min. 39% : d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 b1c3 e8g8 e2e4 d7d6 h2h3 e7e5 d4d5 b8a6 c1g5 d8e8 g2g4 f6d7 f1e2 g8h8 h1g1 d7c5 a2a3 c8d7 b2b4
3,45/26 : min. 39% : d2d4 g8f6 g1f3 g7g6 c2c4 f8g7 b1c3 e8g8 e2e4 d7d6 h2h3 e7e5 d4d5 b8a6 c1g5 d8e8 g2g4 f6d7 f1e2 g8h8 h1g1 d7c5 a2a3 f7f6 g5e3

link : bruteforce_binbook (tool, LST files, BIN books, PGN games)
pass : YEp9sGd7Aomzz7uEOHmwTA

[deeds]

Updated :
- white_Yoruba 081024.bin (book's moves @ min. 20%, line @ min +80 cp, max 40 moves)

white_Yoruba 081024.lst

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0,93/26 : min. 100% : c2c3 g7g6 e2e4 d7d5 e4e5

white_Yoruba 081024.lst

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0,83/26 : min. 100% : e2e4 e7e5 f1c4 c7c6 b1c3
0,93/26 : min. 100% : c2c3 g7g6 e2e4 d7d5 e4e5
0,93/26 : min. 100% : c2c3 g7g6 e2e4 d7d6 d2d4

link : bruteforce_binbook (tool, LST files, BIN books, PGN games)
pass : YEp9sGd7Aomzz7uEOHmwTA

[deeds]

After an attack on "1. e3", there are 33% chance that the "ROS 2024" book follows this line :




This position seems positive for white :




Bruteforce attack in progress...

[deeds]

Added :
- white_ROS 2024.bin (book's moves @ min. 20%, line @ min +80 cp, max 40 moves)

white_ROS 2024.lst

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0,88/26 : min. 21% : e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 b5c6 d7c6 d4e5 d6f5 d1d8 e8d8 h2h3 f8e7 f1d1 d8e8 b1c3 c8d7 g2g4 f5h4 f3h4 e7h4 g1g2 d7e6 f2f3 e8e7 c1e3 b7b6 c3e2 h8d8 a2a4 d8d1 a1d1
1,52/26 : min. 33% : e2e4 e7e5 g1f3 b8c6 f1b5 a7a6 b5a4 g8f6 e1g1 f8c5 c2c3 e8g8 d2d4 c5a7 f1e1 d7d6 h2h3 f8e8 d4d5 b7b5 d5c6 b5a4 c3c4 a4a3 b1a3 a7c5 a1b1
1,58/26 : min. 21% : e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 b5c6 d7c6 d4e5 d6f5 d1d8 e8d8 h2h3 f8e7 f1d1 d8e8 b1c3 c8d7 g2g4 f5h4 f3h4 e7h4 c1e3 e8e7 c3e2
1,99/26 : min. 21% : e2e4 e7e5 g1f3 b8c6 f1b5 g8f6 e1g1 f6e4 d2d4 e4d6 b5c6 d7c6 d4e5 d6f5 d1d8 e8d8 h2h3 f8e7 f1d1 d8e8 b1c3 c8d7 g2g4 f5h4 f3h4 e7h4 c1e3 h8f8 f2f4

link : bruteforce_binbook (tool, LST files, BIN books, PGN games)
pass : YEp9sGd7Aomzz7uEOHmwTA

[deeds]

Which book will be the next to fall

A hint...

...I've spent more than 20 years for the optimization over the current openings...