AtomicDB

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81.6M
positions
15.7M
practically solved
297.18T
engine nodes
2.3M
analyses
646
in queue
6
active workers
34
active cores
22.6M
nodes / sec
3.0
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 98,170 closures, 4.93T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 218 open obligations, of which 41 (18.8%) 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 2.8m (median of 7) · measured at 2026-10-11 13:00 UTC
Closures by source, last 24h (98170 of 98170 labelled): USER 82.1% (80557) · FILL 0.6% (625) · AUTO 17.2% (16931) · SOLVE 0.0% (0) · NONE 0.1% (57) · last 7d (1645178 of 1645178): USER 98.0% (1612292) · FILL 0.2% (2696) · AUTO 1.8% (28883) · SOLVE 0.0% (0) · NONE 0.1% (1307). 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
g1f3unsolved11242
g1h3unsolved7532
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
53.2% of the fleet
2.62T18,593
2BManBJ
23.4% of the fleet
1.15T9,280
3randomchampgamer
11.6% of the fleet
570.75B3,774
4RickEdinson
7.7% of the fleet
377.50B2,909
5MoNiKaMaDnEsS
4.2% of the fleet
205.64B1,970
6soothdest
<0.1% of the fleet
25.2M1

6 accounts · 4.93T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.4% of the fleet
90.30T751,082
2BManBJ
15.6% of the fleet
46.39T323,582
3tenzink
14.4% of the fleet
42.83T349,427
4auranvesdranor
10.6% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
17.88T129,238
6Torom
4.0% of the fleet
11.88T87,075
7RickEdinson
4.0% of the fleet
11.88T78,832
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.80T46,031

and 25 more.

35 accounts · 297.26T 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