AtomicDB

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79.2M
positions
15.2M
practically solved
285.84T
engine nodes
2.2M
analyses
6,940
in queue
6
active workers
34
active cores
3.9M
nodes / sec
12.4
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 288,731 closures, 5.65T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 217 open obligations, of which 41 (18.9%) 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 23) · measured at 2026-10-08 22:00 UTC
Closures by source, last 24h (288731 of 288731 labelled): USER 95.3% (275162) · FILL 0.5% (1549) · AUTO 4.1% (11927) · SOLVE 0.0% (0) · NONE 0.0% (93) · last 7d (1756110 of 1756110): USER 99.0% (1738242) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.2% (3845). 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
g1f3unsolved10442
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3642
b1c3unsolved1272
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
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
50.4% of the fleet
2.85T22,237
2BManBJ
26.7% of the fleet
1.51T10,477
3randomchampgamer
11.7% of the fleet
661.42B4,596
4RickEdinson
7.7% of the fleet
434.75B2,918
5MoNiKaMaDnEsS
3.4% of the fleet
193.30B1,673
6soothdest
<0.1% of the fleet
2.73B31
7NeoArcturus
<0.1% of the fleet
546.0M5

7 accounts · 5.65T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.6% of the fleet
90.30T751,082
2BManBJ
15.0% of the fleet
42.91T300,718
3tenzink
15.0% of the fleet
42.83T349,427
4auranvesdranor
11.0% of the fleet
31.40T228,002
5randomchampgamer
5.7% of the fleet
16.22T118,812
6RickEdinson
3.8% of the fleet
10.78T71,971
7JackIV
3.5% of the fleet
10.06T67,859
8Torom
2.6% of the fleet
7.37T55,749
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.2% of the fleet
6.20T42,008

and 25 more.

35 accounts · 285.91T 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 22 proposals · see every proposal

Milestones