AtomicDB

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78.7M
positions
15.1M
practically solved
283.77T
engine nodes
2.2M
analyses
2,599
in queue
14
active workers
66
active cores
12.8M
nodes / sec
34.5
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 403,100 closures, 5.67T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 218 open obligations, of which 41 (18.8%) 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 20.7d (median of 11) · measured at 2026-10-08 11:00 UTC
Closures by source, last 24h (403100 of 403100 labelled): USER 96.6% (389422) · FILL 0.4% (1657) · AUTO 3.0% (11927) · SOLVE 0.0% (0) · NONE 0.0% (94) · last 7d (1899784 of 1899784): USER 99.0% (1881557) · FILL 0.1% (2071) · AUTO 0.6% (11952) · SOLVE 0.0% (0) · NONE 0.2% (4204). 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
g1f3unsolved11092
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3462
b1c3unsolved1252
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
45.0% of the fleet
2.56T19,449
2BManBJ
27.0% of the fleet
1.53T11,128
3randomchampgamer
11.7% of the fleet
662.66B5,137
4RickEdinson
7.9% of the fleet
445.84B3,211
5tenzink
5.3% of the fleet
300.92B2,102
6MoNiKaMaDnEsS
3.1% of the fleet
175.65B1,578
7NeoArcturus
<0.1% of the fleet
546.0M5

7 accounts · 5.67T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.8% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
42.83T349,427
3BManBJ
14.9% of the fleet
42.24T296,479
4auranvesdranor
11.1% of the fleet
31.40T228,002
5randomchampgamer
5.6% of the fleet
15.92T117,071
6RickEdinson
3.7% of the fleet
10.58T70,785
7JackIV
3.5% of the fleet
10.06T67,859
8gannet
2.5% of the fleet
7.24T46,848
9Torom
2.4% of the fleet
6.75T51,151
10MoNiKaMaDnEsS
2.1% of the fleet
6.10T41,279

and 25 more.

35 accounts · 284.01T 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 21 proposals · see every proposal

Milestones