AtomicDB

Sign in Register
65.7M
positions
11.7M
practically solved
236.14T
engine nodes
1.8M
analyses
6,808
in queue
12
active workers
80
active cores
8.3M
nodes / sec
21.4
positions / min
83
proof number
3,835
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 207,071 closures, 4.14T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 196 open obligations, of which 31 (15.8%) sit at or below dn 2, one unanswered question from falling over · 0 open nodes on impossible numbers · positions a visitor asked for close in 13.4h (median of 114) · measured at 2026-09-28 16:00 UTC
Closures by source, last 24h (207044 of 207044 labelled): USER 99.8% (206707) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (337) · last 7d (1475939 of 1475966): USER 97.1% (1433048) · FILL 0.6% (8795) · AUTO 2.2% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2031). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

Up next

Play to explore drag a piece or click two squares

Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved10672
g1h3unsolved7862
e2e3unsolved5053
d2d4unsolved4362
e2e4unsolved4172
b1c3unsolved1552
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1103
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3013
h2h4unsolved-5002
a2a4unsolved-5022
g2g4unsolved-6002
c2c4unsolved-7003

Contributors by engine nodes

Every position in this tree was searched by somebody's machine. Ties share a place, and the share is measured against everything the whole fleet searched in that window.

Last 24 hours

ContributorNodesAnalyses
1BManBJ
34.1% of the fleet
1.41T10,577
2auranvesdranor
25.6% of the fleet
1.06T8,130
3randomchampgamer
13.5% of the fleet
560.70B4,458
4tenzink
12.4% of the fleet
514.75B3,014
5uipio
7.7% of the fleet
317.54B1,518
6gannet
4.6% of the fleet
189.33B308
7bricerichmond
1.9% of the fleet
77.47B107
8soothdest
0.3% of the fleet
11.94B83
9NeoArcturus
<0.1% of the fleet
142.6M2

9 accounts · 4.14T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.2% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.80T307,634
3BManBJ
11.8% of the fleet
27.84T192,034
4auranvesdranor
11.5% of the fleet
27.09T195,140
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
4.1% of the fleet
9.62T70,186
7RickEdinson
2.7% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 236.33T nodes searched by the whole fleet.

Proposed campaigns

Anyone can put a line up and vote for it. The site owner decides which one the solver actually runs.

Showing the 6 most voted of 21 proposals · see every proposal

Milestones