AtomicDB

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81.1M
positions
15.6M
practically solved
295.51T
engine nodes
2.3M
analyses
447
in queue
12
active workers
58
active cores
44.7M
nodes / sec
20.6
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 84,342 closures, 4.79T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 219 open obligations, of which 41 (18.7%) 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 27s (median of 1) · measured at 2026-10-11 02:00 UTC
Closures by source, last 24h (84342 of 84342 labelled): USER 99.9% (84282) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (60) · last 7d (1660089 of 1660089): USER 99.0% (1644246) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (1820). 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
g1h3unsolved8212
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3872
b1c3unsolved1272
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
43.1% of the fleet
2.07T13,688
2BManBJ
26.6% of the fleet
1.27T6,218
3randomchampgamer
13.5% of the fleet
646.59B2,636
4RickEdinson
8.8% of the fleet
419.19B1,880
5MoNiKaMaDnEsS
8.0% of the fleet
383.23B1,671
6soothdest
<0.1% of the fleet
25.3M4

6 accounts · 4.79T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.5% of the fleet
90.30T751,082
2BManBJ
15.5% of the fleet
45.86T317,697
3tenzink
14.5% of the fleet
42.83T349,427
4auranvesdranor
10.6% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
17.64T127,015
6RickEdinson
4.0% of the fleet
11.71T77,020
7Torom
3.8% of the fleet
11.33T82,170
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.69T44,341

and 25 more.

35 accounts · 295.65T 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