AtomicDB

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83.7M
positions
16.0M
practically solved
307.58T
engine nodes
2.3M
analyses
0
in queue
3
active workers
20
active cores
6.7M
nodes / sec
2.9
positions / min
85
proof number
4,551
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 90,240 closures, 2.59T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 216 open obligations, of which 41 (19.0%) 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 18.2m (median of 7) · measured at 2026-10-14 11:00 UTC
Closures by source, last 24h (90240 of 90240 labelled): USER 99.8% (90043) · FILL 0.1% (68) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (129) · last 7d (1189142 of 1189142): USER 97.2% (1156098) · FILL 0.3% (3077) · AUTO 2.5% (29472) · SOLVE 0.0% (0) · NONE 0.0% (495). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved11342
g1h3unsolved7032
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3952
b1c3unsolved1272
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
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
38.6% of the fleet
999.32B5,046
2randomchampgamer
25.8% of the fleet
667.20B2,607
3RickEdinson
13.8% of the fleet
357.53B1,985
4MoNiKaMaDnEsS
13.2% of the fleet
343.24B1,780
5Torom
8.6% of the fleet
223.62B1,172

5 accounts · 2.59T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.4% of the fleet
90.30T751,082
2BManBJ
16.2% of the fleet
49.94T344,541
3tenzink
13.9% of the fleet
42.83T349,427
4auranvesdranor
10.2% of the fleet
31.40T228,002
5randomchampgamer
6.2% of the fleet
19.00T134,377
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.2% of the fleet
13.05T85,872
8JackIV
3.3% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.4% of the fleet
7.53T50,378
10gannet
2.4% of the fleet
7.24T46,848

and 25 more.

35 accounts · 307.64T 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 23 proposals · see every proposal

Milestones