AtomicDB

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76.2M
positions
14.4M
practically solved
274.01T
engine nodes
2.1M
analyses
1,813
in queue
10
active workers
56
active cores
11.7M
nodes / sec
19.4
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 18.9% of tree positions solved · last 24h: 242,889 closures, 3.77T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 219 open obligations, of which 42 (19.2%) 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 14.9d (median of 2) · measured at 2026-10-06 11:00 UTC
Closures by source, last 24h (242886 of 242886 labelled): USER 99.8% (242388) · FILL 0.1% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (204) · last 7d (2112094 of 2112097): USER 99.8% (2107038) · FILL 0.0% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (4762). 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
g1f3unsolved11012
g1h3unsolved8202
e2e3unsolved5053
d2d4unsolved4412
e2e4unsolved4182
b1c3unsolved1052
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
1BManBJ
42.9% of the fleet
1.62T9,299
2tenzink
18.4% of the fleet
694.48B3,868
3randomchampgamer
17.4% of the fleet
655.43B3,730
4RickEdinson
12.9% of the fleet
486.49B2,712
5MoNiKaMaDnEsS
8.4% of the fleet
315.63B1,901
6soothdest
<0.1% of the fleet
474.8M26

6 accounts · 3.77T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.9% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
41.86T342,908
3BManBJ
14.3% of the fleet
39.17T275,099
4auranvesdranor
11.5% of the fleet
31.40T228,002
5randomchampgamer
5.3% of the fleet
14.63T107,784
6JackIV
3.7% of the fleet
10.06T67,859
7RickEdinson
3.5% of the fleet
9.67T64,637
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
5.74T38,405
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 274.08T 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