AtomicDB

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83.1M
positions
15.9M
practically solved
304.16T
engine nodes
2.3M
analyses
56
in queue
14
active workers
74
active cores
48.8M
nodes / sec
39.4
positions / min
85
proof number
4,551
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 101,368 closures, 2.92T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 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 13.9h (median of 3) · measured at 2026-10-13 09:00 UTC
Closures by source, last 24h (101295 of 101295 labelled): USER 99.6% (100934) · FILL 0.3% (297) · AUTO 0.0% (1) · SOLVE 0.0% (0) · NONE 0.1% (63) · last 7d (1377419 of 1377492): USER 97.6% (1344541) · FILL 0.2% (2981) · AUTO 2.1% (29482) · SOLVE 0.0% (0) · NONE 0.0% (415). 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
g1f3unsolved9972
g1h3unsolved7532
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3932
b1c3unsolved1272
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
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
1BManBJ
46.6% of the fleet
1.36T8,553
2Torom
24.8% of the fleet
726.11B5,042
3RickEdinson
14.8% of the fleet
432.44B2,740
4MoNiKaMaDnEsS
9.5% of the fleet
278.88B1,899
5randomchampgamer
4.2% of the fleet
122.94B796

5 accounts · 2.92T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.7% of the fleet
90.30T751,082
2BManBJ
16.0% of the fleet
48.82T338,917
3tenzink
14.1% of the fleet
42.83T349,427
4auranvesdranor
10.3% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
18.28T131,537
6Torom
5.0% of the fleet
15.10T109,732
7RickEdinson
4.2% of the fleet
12.66T83,730
8JackIV
3.3% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
7.13T48,317

and 25 more.

35 accounts · 304.42T 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