AtomicDB

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72.6M
positions
13.5M
practically solved
260.01T
engine nodes
2.0M
analyses
9,087
in queue
11
active workers
72
active cores
10.2M
nodes / sec
20.4
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.5% of tree positions solved · last 24h: 397,568 closures, 4.59T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 79 over 203 open obligations, of which 33 (16.3%) 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 20.4m (median of 106) · measured at 2026-10-02 12:00 UTC
Closures by source, last 24h (397568 of 397568 labelled): USER 99.8% (396600) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (968) · last 7d (3054581 of 3054581): USER 98.5% (3009501) · FILL 0.3% (8795) · AUTO 1.0% (32065) · SOLVE 0.0% (0) · NONE 0.1% (4220). 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
g1h3unsolved7252
e2e3unsolved4883
d2d4unsolved4392
e2e4unsolved4172
b1c3unsolved1202
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-3053
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
32.6% of the fleet
1.49T11,774
2auranvesdranor
23.0% of the fleet
1.05T8,085
3tenzink
13.9% of the fleet
636.28B4,696
4randomchampgamer
13.6% of the fleet
624.18B4,815
5RickEdinson
9.6% of the fleet
442.08B3,252
6MoNiKaMaDnEsS
6.2% of the fleet
285.10B2,225
7quasa
1.1% of the fleet
49.77B389

7 accounts · 4.59T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
34.7% of the fleet
90.30T751,082
2tenzink
15.0% of the fleet
39.11T324,253
3BManBJ
12.9% of the fleet
33.43T235,180
4auranvesdranor
11.9% of the fleet
31.06T225,407
5randomchampgamer
4.6% of the fleet
11.95T88,800
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
3.0% of the fleet
7.77T52,066
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.17T34,516
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 260.08T 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