AtomicDB

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90.5M
positions
17.6M
practically solved
332.87T
engine nodes
2.5M
analyses
260
in queue
14
active workers
64
active cores
12.0M
nodes / sec
44.7
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.5% of tree positions solved · last 24h: 573,523 closures, 5.39T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 203 open obligations, of which 37 (18.2%) 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 55s (median of 98) · measured at 2026-10-21 00:00 UTC
Closures by source, last 24h (573359 of 573444 labelled): USER 99.2% (568823) · FILL 0.7% (4078) · AUTO 0.1% (395) · SOLVE 0.0% (0) · NONE 0.0% (63) · last 7d (1554504 of 1554583): USER 94.7% (1472885) · FILL 0.7% (11173) · AUTO 4.3% (67528) · SOLVE 0.0% (0) · NONE 0.2% (2918). 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
g1f3unsolved11022
g1h3unsolved6262
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4002
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
50.4% of the fleet
2.72T18,624
2BManBJ
34.2% of the fleet
1.84T13,623
3RickEdinson
9.0% of the fleet
482.88B2,632
4MoNiKaMaDnEsS
6.1% of the fleet
327.29B2,089
5Imusing
0.4% of the fleet
22.40B147

5 accounts · 5.39T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
27.1% of the fleet
90.30T751,082
2BManBJ
17.8% of the fleet
59.45T419,732
3tenzink
12.9% of the fleet
42.83T349,427
4auranvesdranor
9.4% of the fleet
31.40T228,002
5Torom
7.9% of the fleet
26.19T185,873
6randomchampgamer
6.0% of the fleet
19.85T140,897
7RickEdinson
4.8% of the fleet
16.02T106,139
8JackIV
3.0% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
9.10T62,506
10gannet
2.2% of the fleet
7.24T46,848

and 25 more.

35 accounts · 333.09T 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