AtomicDB

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83.0M
positions
15.8M
practically solved
303.84T
engine nodes
2.3M
analyses
111
in queue
14
active workers
74
active cores
44.9M
nodes / sec
40.6
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 91,763 closures, 2.87T 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 12.9h (median of 3) · measured at 2026-10-13 08:00 UTC
Closures by source, last 24h (91819 of 91819 labelled): USER 99.6% (91474) · FILL 0.3% (267) · AUTO 0.0% (15) · SOLVE 0.0% (0) · NONE 0.1% (63) · last 7d (1374460 of 1374555): USER 97.6% (1341651) · FILL 0.2% (2912) · AUTO 2.1% (29481) · SOLVE 0.0% (0) · NONE 0.0% (416). 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
g1f3unsolved10492
g1h3unsolved7532
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3932
b1c3unsolved1272
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
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
47.5% of the fleet
1.36T8,573
2Torom
25.1% of the fleet
722.28B5,040
3RickEdinson
15.1% of the fleet
432.71B2,742
4MoNiKaMaDnEsS
8.9% of the fleet
255.23B1,772
5randomchampgamer
3.5% of the fleet
99.51B689

5 accounts · 2.87T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.7% of the fleet
90.30T751,082
2BManBJ
16.0% of the fleet
48.77T338,638
3tenzink
14.1% of the fleet
42.83T349,427
4auranvesdranor
10.3% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
18.26T131,430
6Torom
4.9% of the fleet
14.93T108,681
7RickEdinson
4.2% of the fleet
12.64T83,643
8JackIV
3.3% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
7.11T48,190

and 25 more.

35 accounts · 304.13T 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