AtomicDB

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59.4M
positions
10.0M
practically solved
214.11T
engine nodes
1.7M
analyses
6,288
in queue
13
active workers
89
active cores
20.0M
nodes / sec
31.5
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 502,440 closures, 5.56T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 78 over 168 open obligations, of which 28 (16.7%) 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 1.9h (median of 201) · measured at 2026-09-20 07:00 UTC
Closures by source, last 24h (502364 of 502367 labelled): USER 99.9% (501940) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (424) · last 7d (2297017 of 2297087): USER 99.1% (2276529) · FILL 0.1% (2909) · AUTO 0.6% (13833) · SOLVE 0.0% (0) · NONE 0.2% (3746). 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
g1f3unsolved10872
g1h3unsolved7172
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
27.7% of the fleet
1.54T11,369
2auranvesdranor
22.5% of the fleet
1.25T9,590
3JackIV
18.2% of the fleet
1.01T4,625
4tenzink
10.8% of the fleet
602.96B4,181
5randomchampgamer
9.3% of the fleet
516.61B4,187
6Torom
8.3% of the fleet
464.11B3,174
7MoNiKaMaDnEsS
2.0% of the fleet
108.81B802
8quasa
1.0% of the fleet
58.38B451
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 5.56T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.2% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.88T295,396
3auranvesdranor
11.4% of the fleet
24.40T175,836
4BManBJ
11.2% of the fleet
23.99T163,815
5JackIV
4.5% of the fleet
9.65T65,062
6randomchampgamer
3.8% of the fleet
8.08T58,242
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.95T25,179
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 214.23T 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