AtomicDB

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56.9M
positions
9.1M
practically solved
205.84T
engine nodes
1.6M
analyses
3,037
in queue
13
active workers
94
active cores
7.4M
nodes / sec
36.2
positions / min
131
proof number
3,776
disproof number
Root conquest: 0/20 first moves solved · 16.1% of tree positions solved · last 24h: 385,620 closures, 5.36T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 164 open obligations, of which 31 (18.9%) 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 21.1m (median of 118) · measured at 2026-09-18 23:00 UTC
Closures by source, last 24h (385546 of 385620 labelled): USER 99.8% (384857) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (689) · last 7d (1673387 of 1673387): USER 98.3% (1644586) · FILL 0.2% (3855) · AUTO 1.3% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3866). 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
g1f3unsolved11002
g1h3unsolved8012
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved712
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
24.2% of the fleet
1.30T9,608
2auranvesdranor
22.0% of the fleet
1.18T8,958
3Torom
20.5% of the fleet
1.10T7,991
4randomchampgamer
11.7% of the fleet
627.82B4,695
5tenzink
10.4% of the fleet
558.69B3,672
6JackIV
7.1% of the fleet
378.70B1,760
7MoNiKaMaDnEsS
2.9% of the fleet
153.37B939
8quasa
1.2% of the fleet
66.94B424

8 accounts · 5.36T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.6% of the fleet
79.65T677,611
2tenzink
16.5% of the fleet
34.09T289,847
3auranvesdranor
11.0% of the fleet
22.67T162,644
4BManBJ
10.7% of the fleet
21.99T149,064
5JackIV
4.0% of the fleet
8.32T58,332
6randomchampgamer
3.6% of the fleet
7.41T52,847
7RickEdinson
3.1% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,751
9MoNiKaMaDnEsS
1.8% of the fleet
3.79T23,983
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 206.14T 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