• All books are in Arena GUI book formats (abk), which are based on only won games * Book settings (during the tour) was Min won games: 1 / Use book up to: 50 moves• Tour name is LIGHT, due to No book learning / 1 Core / Size of books are too small• The database includes only 1 game lost on time, not bad (based on 3600 games)• Also database contains 15 double games (e.g almost all of them are ended as draw)* Double games are appearing due to some books use strictly the same opening lines• Approx. 68% of the played games are ended as Draw, for more statistics, please see:* Draw perc. on Playchess/Infinity servers (av. 2300 Elo Jan-Nov 2015) is approx. 66% * Draw perc. on Playchess/Infinity servers (2600 Elo+ Jan-Nov 2015) is approx. 75% * Here less draws (near to 2300Elo players), probably due to various openings / 1 core• D43: Semi-Slav played 259 times, that means approx. 7% of current games are D43* Plus here not so many D43, probably due to Arena GUI has no book learning option* And another less D43 reason: many games were out of book usually in 5-10 moves* For example, D43 opening on SCCT CS VIII (the active book tour) played approx. 38% * Another example, D43 on Playchess/Infinity (2600 Elo+ Jan-Nov 2015) is approx. 42% * One example more, D43 is approx. 14% by lower rated players (av. 2300 Elo players)• Av. Move Length (per game): 70 Moves / Av. Game Length (per game): 7 Minutes• Bouddha is smallest book: 52 KB / biggest is Topchess: 393 KB (compressed size)* Mix1-SR book prefers the openings played by KRAKEN, PublicEnemyN1, PurePower* Mix2-SR book prefers the openings played by MCDermont, jery, Magiprof* Mix3-SR book prefers the openings played by XIII Leion, Killer_instinct, Perfect_line- There are other books too, you can look which ones are based on Playchess+Infinity