DATA UPDATES

387 Mb

Updates

MillionBase 2.9 - 2.9 million quality chess games in PGN format. The 2 yearly TWIC update, added 350.000 new games from the years 2016 and 2017. Database up to date till January 2018. Next update January 2020.

Purpose of this page


Updates of data files without the need to release a new version.


Manual installation required.

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Additional Polyglot opening books

Book

Positions

Comment

Time Control

Installation Folder

book10.bin

88.577.395

Analyzed with SF10, to be consulted when the main book fails to produce and when the move number is below or equal to 10.

Mixture of 100ms and 1000ms

Books

book20.bin

130.025.776

Analyzed with SF10, to be consulted when the main book fails to produce and when the move number is between 11 and 20.

100 ms

Books

book25.bin

80.750.460

Analyzed with SF10, to be consulted when the main book fails to produce and when the move number is between 21-25.

100ms

Books

What's the strength of these books when only given 0.1 second thinking time most of the time? The answer might surprise you. We played 3 handicap matches Sf10 at 0.1 seconds vs known CCRL elo rated opponents at 40/4 level (thus a time handicap factor of 60!) emulating the CCRL 40/4 rating list. We also measured the elo rating when SF10 was given one second vs the 6 second at 40/4 level.

Time handicap 100ms vs 60.000ms (factor 60)

SF10 versus

CCRL elo

Result

Fruit 2.1

2700

81 - 19

Rhetoric

2800

70 - 30

Zurichess

2900

65 - 35

Senpai 1.0

3000

53 - 47

We can safely conclude the analysis of the books are around 3000 elo.

Time handicap 1s vs 6s (factor 6)

SF10 versus

CCRL elo

Result

Andscacs 0.921

3150

74 - 26

Komodo 8

3200

62 - 38

Komodo 9.42

3242

53 - 47

Fire 7.1

3257

55 - 45

We can safely conclude positions that are analyzed at 1 second qualify for at least 3250 elo.

Book10.bin

705 Mb

Book20.bin

1 Gb

This page is under construction

Book25.bin

654 Mb

Parameters in the ProDeo.eng configuration file:   

Parameter

Meaning

[Book File = books\ProDeo.bin]

Any valid Polyglot book

[Book Extension = on]

on | off

[Book Depth = 80]

Stop searching the book after move 40

[Book Learner = off]

on | off

[Book Score = off]

on | off

[Book Use = random]

best | random

The above are the default settings, play random for diversification.


. [Book Use = best] plays the move the highest percentage.

. [Book Score = on] plays the move with the highest Stockfish score.

. [Book Learner = on] plays the move with the highest learn score.


. [Book Extension = on] makes use of the big book10 | book20 | book25 opening books when

  the main book fails to produce.

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