AtomicDB

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99.6M
positions
20.8M
practically solved
362.03T
engine nodes
2.7M
analyses
4,157
in queue
4
active workers
24
active cores
20.6M
nodes / sec
8.8
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 20.9% of tree positions solved · last 24h: 274,800 closures, 6.87T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 200 open obligations, of which 37 (18.5%) 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 13.0m (median of 40) · measured at 2026-10-25 01:00 UTC
Closures by source, last 24h (274729 of 274729 labelled): USER 99.8% (274098) · FILL 0.2% (476) · AUTO 0.0% (64) · SOLVE 0.0% (0) · NONE 0.0% (91) · last 7d (4157614 of 4157685): USER 99.5% (4137337) · FILL 0.2% (9198) · AUTO 0.2% (8226) · SOLVE 0.0% (0) · NONE 0.1% (2853). 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
g1f3unsolved12282
g1h3unsolved7592
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4012
b1c3unsolved1382
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
1Torom
61.6% of the fleet
4.23T31,872
2BManBJ
24.4% of the fleet
1.68T11,144
3RickEdinson
7.1% of the fleet
486.05B3,290
4MoNiKaMaDnEsS
7.0% of the fleet
480.87B3,699

4 accounts · 6.87T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
24.9% of the fleet
90.30T751,082
2BManBJ
18.5% of the fleet
66.98T475,515
3Torom
12.2% of the fleet
44.19T322,289
4tenzink
11.8% of the fleet
42.83T349,427
5auranvesdranor
8.7% of the fleet
31.40T228,002
6randomchampgamer
5.5% of the fleet
19.85T140,897
7RickEdinson
5.0% of the fleet
17.97T119,117
8MoNiKaMaDnEsS
2.9% of the fleet
10.55T73,466
9JackIV
2.8% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 362.06T 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