AtomicDB

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81.0M
positions
15.6M
practically solved
295.01T
engine nodes
2.2M
analyses
1,550
in queue
14
active workers
66
active cores
6.4M
nodes / sec
32.6
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 75,303 closures, 4.37T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 219 open obligations, of which 41 (18.7%) 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 5.6m (median of 26) · measured at 2026-10-11 00:00 UTC
Closures by source, last 24h (75303 of 75303 labelled): USER 99.9% (75246) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (57) · last 7d (1660550 of 1660550): USER 99.0% (1644600) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (1927). 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
g1f3unsolved10362
g1h3unsolved8212
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3872
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
37.3% of the fleet
1.63T10,880
2BManBJ
29.2% of the fleet
1.28T6,153
3randomchampgamer
15.0% of the fleet
657.67B2,720
4RickEdinson
9.7% of the fleet
424.02B1,854
5MoNiKaMaDnEsS
8.8% of the fleet
383.23B1,671
6soothdest
<0.1% of the fleet
25.3M4

6 accounts · 4.37T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.6% of the fleet
90.30T751,082
2BManBJ
15.5% of the fleet
45.79T317,269
3tenzink
14.5% of the fleet
42.83T349,427
4auranvesdranor
10.6% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
17.57T126,779
6RickEdinson
4.0% of the fleet
11.66T76,772
7Torom
3.7% of the fleet
10.89T79,362
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.69T44,341

and 25 more.

35 accounts · 295.03T 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