AtomicDB

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86.8M
positions
16.5M
practically solved
320.06T
engine nodes
2.4M
analyses
155
in queue
6
active workers
32
active cores
2.7M
nodes / sec
12.5
positions / min
145
proof number
4,661
disproof number
Root conquest: 0/20 first moves solved · 19.0% of tree positions solved · last 24h: 151,359 closures, 5.58T 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 1.6m (median of 182) · measured at 2026-10-18 14:00 UTC
Closures by source, last 24h (151359 of 151359 labelled): USER 97.5% (147523) · FILL 0.4% (572) · AUTO 2.1% (3199) · SOLVE 0.0% (0) · NONE 0.0% (65) · last 7d (741551 of 741551): USER 90.0% (667425) · FILL 0.9% (6850) · AUTO 9.0% (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
g1f3unsolved11532
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
60.6% of the fleet
3.38T22,518
2BManBJ
29.7% of the fleet
1.66T9,791
3RickEdinson
8.5% of the fleet
476.70B2,656
4MoNiKaMaDnEsS
1.1% of the fleet
61.81B458
5soothdest
0.1% of the fleet
4.42B26

5 accounts · 5.58T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.2% of the fleet
90.30T751,082
2BManBJ
17.3% of the fleet
55.28T388,802
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
6.0% of the fleet
19.08T135,872
7RickEdinson
4.7% of the fleet
14.94T99,734
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 · 320.11T 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