AtomicDB

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80.8M
positions
15.6M
practically solved
294.21T
engine nodes
2.2M
analyses
1,743
in queue
14
active workers
66
active cores
42.1M
nodes / sec
32.2
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 62,262 closures, 4.11T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 221 open obligations, of which 41 (18.6%) 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 8.4m (median of 14) · measured at 2026-10-10 21:00 UTC
Closures by source, last 24h (62253 of 62253 labelled): USER 99.9% (62213) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (40) · last 7d (1658747 of 1658756): USER 99.0% (1642737) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (1987). 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
g1f3unsolved11062
g1h3unsolved7632
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
32.7% of the fleet
1.34T9,321
2BManBJ
31.5% of the fleet
1.29T6,339
3randomchampgamer
16.2% of the fleet
663.20B2,855
4RickEdinson
10.4% of the fleet
425.96B1,888
5MoNiKaMaDnEsS
9.3% of the fleet
383.23B1,671
6soothdest
<0.1% of the fleet
25.3M4

6 accounts · 4.11T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.7% of the fleet
90.30T751,082
2BManBJ
15.5% of the fleet
45.66T316,555
3tenzink
14.5% of the fleet
42.83T349,427
4auranvesdranor
10.7% of the fleet
31.40T228,002
5randomchampgamer
5.9% of the fleet
17.52T126,517
6RickEdinson
3.9% of the fleet
11.63T76,570
7Torom
3.6% of the fleet
10.52T77,268
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 · 294.45T 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