AtomicDB

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89.0M
positions
17.1M
practically solved
328.01T
engine nodes
2.5M
analyses
322
in queue
6
active workers
32
active cores
18.2M
nodes / sec
12.8
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 360,988 closures, 4.75T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 201 open obligations, of which 37 (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 1.8m (median of 107) · measured at 2026-10-20 04:00 UTC
Closures by source, last 24h (360889 of 360889 labelled): USER 98.9% (356909) · FILL 0.1% (533) · AUTO 0.3% (1002) · SOLVE 0.0% (0) · NONE 0.7% (2445) · last 7d (1150697 of 1150796): USER 93.2% (1072954) · FILL 0.7% (7648) · AUTO 5.8% (67149) · SOLVE 0.0% (0) · NONE 0.3% (2946). 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
g1f3unsolved11582
g1h3unsolved8212
e2e3unsolved5053
d2d4unsolved4012
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
52.6% of the fleet
2.49T17,908
2BManBJ
34.9% of the fleet
1.66T12,370
3RickEdinson
8.6% of the fleet
410.40B2,512
4MoNiKaMaDnEsS
3.9% of the fleet
183.36B1,388

4 accounts · 4.75T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
27.5% of the fleet
90.30T751,082
2BManBJ
17.6% of the fleet
57.89T408,234
3tenzink
13.1% of the fleet
42.83T349,427
4auranvesdranor
9.6% of the fleet
31.40T228,002
5Torom
7.2% of the fleet
23.48T167,251
6randomchampgamer
6.1% of the fleet
19.85T140,897
7RickEdinson
4.8% of the fleet
15.60T103,970
8JackIV
3.1% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.77T60,418
10gannet
2.2% of the fleet
7.24T46,848

and 25 more.

35 accounts · 328.04T 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