AtomicDB

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76.2M
positions
14.4M
practically solved
274.01T
engine nodes
2.1M
analyses
1,495
in queue
10
active workers
56
active cores
19.1M
nodes / sec
20.6
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 18.9% of tree positions solved · last 24h: 246,554 closures, 3.78T 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 (246369 of 246432 labelled): USER 99.8% (245880) · FILL 0.1% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (195) · last 7d (2114190 of 2114282): USER 99.8% (2109133) · FILL 0.0% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (4763). 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
42.8% of the fleet
1.61T9,363
2tenzink
18.4% of the fleet
693.04B3,896
3randomchampgamer
17.3% of the fleet
653.49B3,725
4RickEdinson
12.9% of the fleet
486.62B2,722
5MoNiKaMaDnEsS
8.7% of the fleet
327.67B1,981
6soothdest
<0.1% of the fleet
474.8M26

6 accounts · 3.78T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.9% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
41.88T343,012
3BManBJ
14.3% of the fleet
39.21T275,346
4auranvesdranor
11.5% of the fleet
31.40T228,002
5randomchampgamer
5.3% of the fleet
14.65T107,872
6JackIV
3.7% of the fleet
10.06T67,859
7RickEdinson
3.5% of the fleet
9.68T64,705
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
5.75T38,485
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 274.16T 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