AtomicDB

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100.7M
positions
21.2M
practically solved
366.24T
engine nodes
2.8M
analyses
822
in queue
6
active workers
36
active cores
30.1M
nodes / sec
10.5
positions / min
107
proof number
4,730
disproof number
Root conquest: 0/20 first moves solved · 21.1% of tree positions solved · last 24h: 244,057 closures, 2.82T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 201 open obligations, of which 37 (18.4%) 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 4.9m (median of 18) · measured at 2026-10-26 16:00 UTC
Closures by source, last 24h (244057 of 244057 labelled): USER 97.1% (236926) · FILL 1.2% (2926) · AUTO 1.7% (4156) · SOLVE 0.0% (0) · NONE 0.0% (49) · last 7d (4016644 of 4016644): USER 99.5% (3997110) · FILL 0.3% (10859) · AUTO 0.2% (8204) · SOLVE 0.0% (0) · NONE 0.0% (471). 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
g1f3unsolved12452
g1h3unsolved8002
e2e3unsolved4693
d2d4unsolved4012
e2e4unsolved4012
b1c3unsolved1382
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-653
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
c2c4unsolved-7003

Best and worst values over time, and the main line

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
64.7% of the fleet
1.82T9,849
2MoNiKaMaDnEsS
18.2% of the fleet
513.34B2,992
3RickEdinson
17.0% of the fleet
479.72B2,599

3 accounts · 2.82T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
24.7% of the fleet
90.30T751,082
2BManBJ
19.1% of the fleet
69.86T492,389
3Torom
12.1% of the fleet
44.19T322,289
4tenzink
11.7% of the fleet
42.83T349,427
5auranvesdranor
8.6% of the fleet
31.40T228,002
6randomchampgamer
5.4% of the fleet
19.85T140,897
7RickEdinson
5.1% of the fleet
18.73T123,619
8MoNiKaMaDnEsS
3.0% of the fleet
11.12T76,954
9JackIV
2.7% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 366.27T 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