AtomicDB

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86.8M
positions
16.5M
practically solved
319.84T
engine nodes
2.4M
analyses
27
in queue
13
active workers
60
active cores
5.3M
nodes / sec
33.0
positions / min
145
proof number
4,661
disproof number
Root conquest: 0/20 first moves solved · 19.0% of tree positions solved · last 24h: 144,524 closures, 5.53T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 207 open obligations, of which 38 (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 1.2m (median of 174) · measured at 2026-10-18 13:00 UTC
Closures by source, last 24h (144524 of 144524 labelled): USER 97.3% (140689) · FILL 0.4% (572) · AUTO 2.2% (3199) · SOLVE 0.0% (0) · NONE 0.0% (64) · last 7d (735373 of 735373): USER 89.9% (661247) · FILL 0.9% (6850) · AUTO 9.1% (66745) · SOLVE 0.0% (0) · NONE 0.1% (531). 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
g1f3unsolved9932
g1h3unsolved8212
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
1Torom
60.4% of the fleet
3.34T22,241
2BManBJ
29.9% of the fleet
1.65T9,521
3RickEdinson
8.6% of the fleet
476.82B2,642
4MoNiKaMaDnEsS
1.1% of the fleet
61.81B458
5soothdest
<0.1% of the fleet
256.7M3

5 accounts · 5.53T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.2% of the fleet
90.30T751,082
2BManBJ
17.3% of the fleet
55.20T388,261
3tenzink
13.4% of the fleet
42.83T349,427
4auranvesdranor
9.8% of the fleet
31.40T228,002
5randomchampgamer
6.2% of the fleet
19.85T140,897
6Torom
5.9% of the fleet
19.04T135,594
7RickEdinson
4.7% of the fleet
14.91T99,631
8JackIV
3.1% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.54T58,659
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 319.97T 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