Books

This repository contains a collection of books which may be used for chess engine development.

Overview

The following table gives a brief overview of the available books.

book	total	white	black	min_depth	max_depth
2moves_v1.epd	40457	40457	0	4	4
2moves_v2.pgn	12092	12092	0	4	4
3moves_FRC.epd	126113	126113	0	6	6
4mvs_+90_+99.epd	635	635	0	8	8
6mvs_+90_+99.epd	2933	2933	0	12	12
8moves_v3.pgn	34700	34700	0	16	16
8mvs_+90_+99.epd	8533	8533	0	16	16
8mvs_big_+80_+109.epd	25857	25857	0	16	16
bjbraams_chessdb_198350_lines.pgn	198350	154148	44202	1	16
closedpos.epd	165735	165735	0	8	8
DFRC_4852_v1.epd	294466	160639	133827	0	3
DFRC_openings.epd	921600	921600	0	0	0
Drawkiller_balanced_big.epd	15962	15962	0	28	28
endgames.epd	157846	74355	83491	23	652
endgames_cdb95105.epd	107828	53306	54522	24	423
FRC_openings.epd	960	960	0	0	0
hybrid_book_beta.epd	28054	28054	0	None	None
noob_2moves.epd	7314	7314	0	4	4
noob_3moves.epd	150932	150932	0	6	6
noob_4moves.epd	1837365	1837365	0	8	8
noob_5moves.epd	455287	455287	0	10	10
popularpos_lichess.epd	200000	99953	100047	None	None
popularpos_lichess_v2.epd	200000	100440	99560	None	None
popularpos_lichess_v3.epd	200000	102952	97048	None	None
stalemates_200d30_v1.epd	10796	7978	2818	12	479
startpos.epd	1	1	0	0	0
UHO_4060_v1.epd	246759	246759	0	16	16
UHO_4060_v2.epd	242201	242201	0	None	None
UHO_4060_v3.epd	242201	242201	0	16	16
UHO_4060_v4.epd	241670	241670	0	16	16
UHO_Lichess_4852_v1.epd	2632036	1457270	1174766	2	16
UHO_MEGA_2022_+110_+149.pgn	321412	321412	0	16	16
UHO_XXL_+0.80_+1.09.pgn	261028	261028	0	16	16
UHO_XXL_+0.90_+1.19.pgn	223070	223070	0	16	16
UHO_XXL_+1.00_+1.29.pgn	186098	186098	0	16	16
UHO_XXL_2022_+100_+129.pgn	284035	284035	0	16	16
UHO_XXL_2022_+110_+139.pgn	253847	253847	0	16	16
UHO_XXL_2022_+120_+149.pgn	226629	226629	0	16	16

_{(Data sourced from books.json.)}