AtomicDB

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65.4M
positions
11.7M
practically solved
234.78T
engine nodes
1.8M
analyses
7,517
in queue
12
active workers
80
active cores
22.3M
nodes / sec
23.1
positions / min
125
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 195,485 closures, 3.62T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 82 over 196 open obligations, of which 30 (15.3%) 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 2.8m (median of 145) · measured at 2026-09-28 09:00 UTC
Closures by source, last 24h (195490 of 195490 labelled): USER 99.9% (195377) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (113) · last 7d (1416730 of 1416730): USER 97.0% (1374098) · FILL 0.6% (8795) · AUTO 2.3% (32065) · SOLVE 0.0% (0) · NONE 0.1% (1772). 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
g1f3unsolved10572
g1h3unsolved8202
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved1832
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
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
38.5% of the fleet
1.39T10,549
2auranvesdranor
24.9% of the fleet
902.16B6,767
3randomchampgamer
15.3% of the fleet
552.42B4,359
4tenzink
14.2% of the fleet
514.08B3,308
5uipio
4.4% of the fleet
159.43B879
6bricerichmond
2.2% of the fleet
78.17B113
7soothdest
0.5% of the fleet
17.08B132
8rhaxier
<0.1% of the fleet
1.66B13

8 accounts · 3.62T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.5% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.62T306,738
3BManBJ
11.7% of the fleet
27.38T188,721
4auranvesdranor
11.4% of the fleet
26.75T192,514
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
4.0% of the fleet
9.43T68,671
7RickEdinson
2.8% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.7% of the fleet
4.09T16,756
10ijh
1.5% of the fleet
3.57T37,348

and 24 more.

34 accounts · 234.79T 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