Opening book and replies

The data presented here is the result of a collective effort from users of BGonline.org. All of the critical play have been made using high setting (XGR+, 4-ply or 3-ply). The data has been completed with rollouts made using XG2 (2-ply checker, 3-ply red cube) and XGRoller++ data.

Last update: 2/17/2013 version 3.40

3.40: (2/17/2013) 2nd roll - DMP, GG, GS, updated ATS 1st roll , nackgammon 1st roll - DMP, GG, GS, nackgammon unlimited 2nd roll and about 30-40 other positions that don't fall in these categories

3.30: (5/31/2012) Added Non Jacoby openings (Arthur van Houdt and Grant Hoffman) and a few replies (51S-43 and  61P-43: Neil Kazaross, 31P-11, 42P-22 Xavier Dufaure de Citres)

3.20: (1/2/2012) Added Nackgammon Openings (Miran Tuhtan).

3.10: (7/28/2011) Updated -2-2 entries so they use the same than DMP, updated -1-3PC to use the same data than GS, updated -3-1PC to use the same data than GG.

3.06: (7/9/2011) Initial public release.

The opening book can be used freely even without eXtreme Gammon: check here

Opening move

Replies in Unlimited Game (Jacoby)