AtomicDB

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95.2M
positions
19.7M
practically solved
345.39T
engine nodes
2.6M
analyses
613
in queue
13
active workers
60
active cores
98.0M
nodes / sec
45.4
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 20.7% of tree positions solved · last 24h: 1.2M closures, 6.63T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 206 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 5.6m (median of 101) · measured at 2026-10-22 19:00 UTC
Closures by source, last 24h (1164598 of 1164598 labelled): USER 99.4% (1157589) · FILL 0.3% (3354) · AUTO 0.3% (3589) · SOLVE 0.0% (0) · NONE 0.0% (66) · last 7d (3289164 of 3289217): USER 98.2% (3229507) · FILL 0.3% (11459) · AUTO 1.4% (45316) · SOLVE 0.0% (0) · NONE 0.1% (2882). 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
g1f3unsolved11462
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
56.1% of the fleet
3.72T28,187
2BManBJ
29.0% of the fleet
1.93T15,110
3RickEdinson
7.5% of the fleet
499.72B3,444
4MoNiKaMaDnEsS
7.2% of the fleet
478.22B3,711
5soothdest
0.1% of the fleet
8.21B59

5 accounts · 6.63T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
26.1% of the fleet
90.30T751,082
2BManBJ
18.2% of the fleet
62.91T447,069
3tenzink
12.4% of the fleet
42.83T349,427
4Torom
9.7% of the fleet
33.53T241,448
5auranvesdranor
9.1% of the fleet
31.40T228,002
6randomchampgamer
5.7% of the fleet
19.85T140,897
7RickEdinson
4.9% of the fleet
16.90T111,974
8JackIV
2.9% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.9% of the fleet
9.86T68,184
10gannet
2.1% of the fleet
7.24T46,848

and 25 more.

35 accounts · 345.58T 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