AtomicDB

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87.0M
positions
16.5M
practically solved
320.66T
engine nodes
2.4M
analyses
20
in queue
13
active workers
60
active cores
6.8M
nodes / sec
34.5
positions / min
145
proof number
4,661
disproof number
Root conquest: 0/20 first moves solved · 19.0% of tree positions solved · last 24h: 180,655 closures, 5.76T 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 2.2m (median of 37) · measured at 2026-10-18 19:00 UTC
Closures by source, last 24h (180655 of 180655 labelled): USER 97.9% (176834) · FILL 0.3% (572) · AUTO 1.8% (3199) · SOLVE 0.0% (0) · NONE 0.0% (50) · last 7d (754148 of 754148): USER 90.2% (680024) · FILL 0.9% (6850) · AUTO 8.9% (66745) · SOLVE 0.0% (0) · NONE 0.1% (529). 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
g1f3unsolved11522
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
61.1% of the fleet
3.52T23,426
2BManBJ
28.9% of the fleet
1.67T10,818
3RickEdinson
8.3% of the fleet
479.12B2,891
4MoNiKaMaDnEsS
1.1% of the fleet
61.81B458
5soothdest
0.6% of the fleet
31.99B204

5 accounts · 5.76T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.2% of the fleet
90.30T751,082
2BManBJ
17.3% of the fleet
55.59T391,154
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
19.22T136,779
7RickEdinson
4.7% of the fleet
15.02T100,350
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 · 320.68T 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