AtomicDB

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98.8M
positions
20.7M
practically solved
358.82T
engine nodes
2.7M
analyses
1,951
in queue
14
active workers
68
active cores
95.8M
nodes / sec
43.7
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 20.9% of tree positions solved · last 24h: 220,114 closures, 7.79T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 205 open obligations, of which 38 (18.5%) 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 46s (median of 4) · measured at 2026-10-24 12:00 UTC
Closures by source, last 24h (220058 of 220058 labelled): USER 100.0% (219987) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (71) · last 7d (4044230 of 4044286): USER 99.5% (4024143) · FILL 0.2% (9042) · AUTO 0.2% (8185) · SOLVE 0.0% (0) · NONE 0.1% (2860). 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
g1f3unsolved11232
g1h3unsolved6302
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4012
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
67.9% of the fleet
5.29T40,424
2BManBJ
21.8% of the fleet
1.69T11,644
3RickEdinson
6.0% of the fleet
468.70B3,183
4MoNiKaMaDnEsS
4.3% of the fleet
331.53B2,595
5soothdest
<0.1% of the fleet
1.66B13

5 accounts · 7.79T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
25.2% of the fleet
90.30T751,082
2BManBJ
18.4% of the fleet
66.05T469,997
3tenzink
11.9% of the fleet
42.83T349,427
4Torom
11.8% of the fleet
42.50T310,195
5auranvesdranor
8.7% of the fleet
31.40T228,002
6randomchampgamer
5.5% of the fleet
19.85T140,897
7RickEdinson
4.9% of the fleet
17.70T117,490
8MoNiKaMaDnEsS
2.9% of the fleet
10.40T72,362
9JackIV
2.8% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 359.02T 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