AtomicDB

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91.6M
positions
18.1M
practically solved
336.13T
engine nodes
2.5M
analyses
461
in queue
14
active workers
66
active cores
20.3M
nodes / sec
47.1
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.7% of tree positions solved · last 24h: 782,328 closures, 7.22T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 204 open obligations, of which 37 (18.1%) 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 3.5m (median of 148) · measured at 2026-10-21 10:00 UTC
Closures by source, last 24h (782091 of 782252 labelled): USER 99.7% (779384) · FILL 0.3% (2285) · AUTO 0.0% (320) · SOLVE 0.0% (0) · NONE 0.0% (102) · last 7d (1957655 of 1957655): USER 95.8% (1876042) · FILL 0.6% (11171) · AUTO 3.4% (67528) · SOLVE 0.0% (0) · NONE 0.1% (2914). 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
g1f3unsolved11392
g1h3unsolved6302
e2e3unsolved5053
d2d4unsolved4022
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
1Torom
62.5% of the fleet
4.52T32,990
2BManBJ
26.1% of the fleet
1.88T14,301
3RickEdinson
6.8% of the fleet
493.21B2,656
4MoNiKaMaDnEsS
4.3% of the fleet
309.74B2,008
5Imusing
0.3% of the fleet
22.40B147

5 accounts · 7.22T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
26.8% of the fleet
90.30T751,082
2BManBJ
17.9% of the fleet
60.27T426,245
3tenzink
12.7% of the fleet
42.83T349,427
4auranvesdranor
9.3% of the fleet
31.40T228,002
5Torom
8.4% of the fleet
28.36T202,392
6randomchampgamer
5.9% of the fleet
19.85T140,897
7RickEdinson
4.8% of the fleet
16.22T107,458
8JackIV
3.0% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
9.21T63,350
10gannet
2.2% of the fleet
7.24T46,848

and 25 more.

35 accounts · 336.40T 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