These are older versions of Arena partner engines.
v991103 (WB), v1 (UCI), v2 (UCI), v3 (UCI), v4 (UCI), v5 (UCI), v51 (UCI)
Older opening books: book-old, book-small, book-big
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!
v45 (UCI), v46 (UCI)
v101 (UCI / WB), v105 (UCI / WB)
Free former Gladiator-Shop downloads!
d-vidanovic-v01__reb.rar (2,60 MB), d-grafen-v02__reb.rar (1,57 MB), d-grafen-v02__rsb.rar (1,25 MB)
Ktulu by Rahman Paidar (Iran) can be found in
d-grafen-v01__keb.rar (13,41 MB), d-grafen-v01__ksb.rar (1,51 MB)
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.