These are older versions of Arena partner engines.
v530 (UCI), v540 (UCI), v550 (UCI), v553-Massy-2005 (UCI), v560 (UCI) v566 (UCI)
Note: An Arena opening book for AnMon by Frank Quisinsky can be found on this selection too.I tested my opening book with my favorite engine AnMon!
Free former Gladiator-Shop downloads!
ktulu-original-book.rar (2,68 MB)
The opening book isn't changed since Ktulu 5.0/5.1.
You can use this opening book for Ktulu 7.x too.