AtomicDB

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84.5M
positions
16.2M
practically solved
310.09T
engine nodes
2.4M
analyses
257
in queue
7
active workers
40
active cores
15.5M
nodes / sec
15.9
positions / min
127
proof number
4,617
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 143,932 closures, 2.27T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 214 open obligations, of which 40 (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 6.8m (median of 2) · measured at 2026-10-15 15:00 UTC
Closures by source, last 24h (143932 of 143932 labelled): USER 80.2% (115485) · FILL 1.9% (2784) · AUTO 17.8% (25595) · SOLVE 0.0% (0) · NONE 0.0% (68) · last 7d (904254 of 904254): USER 94.7% (856251) · FILL 0.5% (4383) · AUTO 4.8% (43140) · SOLVE 0.0% (0) · NONE 0.1% (480). 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
g1f3unsolved10652
g1h3unsolved7632
e2e3unsolved5053
d2d4unsolved4002
e2e4unsolved4002
b1c3unsolved1382
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
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
42.5% of the fleet
963.51B11,025
2randomchampgamer
26.1% of the fleet
592.56B5,203
3RickEdinson
18.8% of the fleet
426.46B3,814
4MoNiKaMaDnEsS
12.5% of the fleet
283.97B2,386
5NeoArcturus
<0.1% of the fleet
144.9M4

5 accounts · 2.27T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.1% of the fleet
90.30T751,082
2BManBJ
16.4% of the fleet
50.90T355,566
3tenzink
13.8% of the fleet
42.83T349,427
4auranvesdranor
10.1% of the fleet
31.40T228,002
5randomchampgamer
6.4% of the fleet
19.71T140,069
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.4% of the fleet
13.56T90,024
8JackIV
3.2% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.6% of the fleet
7.91T53,290
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 310.21T 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