Self-Play Backgammon

A full backgammon game played AI-vs-AI - both sides driven by the same 2-ply expectiminimax search over a Budyko-free, BCL-only engine. Seed 20260715. Every move, dice roll and pip count below is computed live at build time by KullGames.SelfPlayBackgammon.Engine (no JavaScript, no runtime).

Result

White wins a single game.

Plies played: 52
Final pips: White 0 / Black 7
Borne off: White 15 / Black 11
Positions evaluated: 77,985 in 0.34s

Move list

#	Side	Dice	Play	Pip W	Pip B
1	Black	1-5	8/7 7/2	167	161
2	White	4-6	6/2 8/2	157	161
3	Black	5-6	13/8 8/2	157	150
4	White	3-4	13/10 10/6	150	150
5	Black	6-3	8/2 13/10	150	141
6	White	6-2	8/2 8/6	142	141
7	Black	5-1	10/5 6/5	142	135
8	White	6-4	13/7 7/3	132	135
9	Black	1-5	8/7 7/2	132	129
10	White	1-1	3/2 6/5 6/5 6/5	128	129
11	Black	5-6	13/8 8/2	128	118
12	White	4-3	6/2 5/2	121	118
13	Black	4-3	13/9 13/10	121	111
14	White	4-6	13/9 9/3	111	111
15	Black	5-1	10/5 6/5	111	105
16	White	1-2	3/2 13/11	108	105
17	Black	5-4	9/4 6/2	108	96
18	White	5-5	11/6 13/8 8/3	93	96
19	Black	3-6	24/21 24/18	93	87
20	White	5-4	6/1 5/1	84	87
21	Black	3-1	21/20* 20/17	104	83
22	White	6-1	bar/24 24/18	97	83
23	Black	1-2	18/17 4/2	97	80
24	White	2-3	3/1 6/3	92	80
25	Black	4-4	17/13 17/13 6/2 6/2	92	64
26	White	3-6	18/15 15/9	83	64
27	Black	6-2	13/7 7/5	83	56
28	White	6-6	9/3 24/18 18/12* 12/6	59	68
29	Black	1-6	(no play)	59	68
30	White	2-2	3/1 3/1 6/4 6/4	51	68
31	Black	1-5	bar/20 20/19	51	62
32	White	2-1	24/22 22/21	48	62
33	Black	3-2	5/2 19/17	48	57
34	White	3-1	21/18 2/1	44	57
35	Black	2-4	5/3 5/1	44	51
36	White	4-5	18/14 14/9	35	51
37	Black	2-2	17/15 15/13 13/11 11/9	35	43
38	White	3-2	9/6 2/off	30	43
39	Black	3-5	9/6 5/off	30	35
40	White	5-2	6/1 2/off	23	35
41	Black	5-4	5/off 6/2	23	26
42	White	5-2	4/off 2/off	17	26
43	Black	3-2	3/off 2/off	17	21
44	White	1-2	1/off 2/off	14	21
45	Black	2-1	2/off 1/off	14	18
46	White	3-6	4/off 2/off	8	18
47	Black	5-3	2/off 2/off	8	14
48	White	3-1	2/off 1/off	5	14
49	Black	1-6	2/1 2/off	5	11
50	White	3-3	1/off 1/off 1/off 1/off	1	11
51	Black	2-6	2/off 2/off	1	7
52	White	4-1	1/off	0	7

Final board

Points 1-24 (White bears off past point 1, Black past point 24). Each cell shows the occupant and checker count; W = White, B = Black.

13	14	15	16	17	18	19	20	21	22	23	24
.	.	.	.	.	.	.	.	.	.	B3	B1
.	.	.	.	.	.	.	.	.	.	.	.
12	11	10	9	8	7	6	5	4	3	2	1

Bar: White 0 / Black 0 . Off: White 15 / Black 11