AtomicDB

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59.7M
positions
10.0M
practically solved
215.05T
engine nodes
1.7M
analyses
4,727
in queue
12
active workers
84
active cores
4.3M
nodes / sec
28.9
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 444,651 closures, 5.51T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 78 over 170 open obligations, of which 28 (16.5%) 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 9.6m (median of 166) · measured at 2026-09-20 11:00 UTC
Closures by source, last 24h (444619 of 444619 labelled): USER 99.9% (444174) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (445) · last 7d (2320131 of 2320131): USER 99.7% (2314260) · FILL 0.1% (1561) · AUTO 0.0% (559) · SOLVE 0.0% (0) · NONE 0.2% (3751). 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
g1f3unsolved10912
g1h3unsolved7122
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved722
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
h2h4unsolved-5002
a2a4unsolved-5022
g2g4unsolved-6002
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
1BManBJ
27.6% of the fleet
1.52T11,475
2auranvesdranor
22.9% of the fleet
1.26T9,702
3JackIV
18.4% of the fleet
1.01T5,106
4tenzink
11.0% of the fleet
605.89B4,226
5randomchampgamer
9.3% of the fleet
513.58B4,151
6Torom
8.4% of the fleet
464.11B3,174
7MoNiKaMaDnEsS
2.2% of the fleet
120.58B891
8soothdest
0.1% of the fleet
7.22B58

8 accounts · 5.51T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.0% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
35.00T296,227
3auranvesdranor
11.5% of the fleet
24.73T178,376
4BManBJ
11.3% of the fleet
24.26T165,939
5JackIV
4.6% of the fleet
9.83T66,395
6randomchampgamer
3.8% of the fleet
8.18T59,078
7RickEdinson
2.9% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.96T25,268
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 215.25T 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 19 proposals · see every proposal

Milestones