AtomicDB

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57.8M
positions
9.5M
practically solved
208.80T
engine nodes
1.6M
analyses
2,013
in queue
15
active workers
97
active cores
4.6M
nodes / sec
31.1
positions / min
131
proof number
3,776
disproof number
Root conquest: 0/20 first moves solved · 16.4% of tree positions solved · last 24h: 505,290 closures, 6.01T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 78 over 165 open obligations, of which 28 (17.0%) 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 16.6m (median of 199) · measured at 2026-09-19 08:00 UTC
Closures by source, last 24h (505162 of 505204 labelled): USER 99.8% (504338) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (824) · last 7d (1900432 of 1900518): USER 98.5% (1871922) · FILL 0.2% (3608) · AUTO 1.1% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3822). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved11012
g1h3unsolved8012
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4142
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
1auranvesdranor
24.2% of the fleet
1.46T11,079
2BManBJ
22.1% of the fleet
1.33T9,763
3Torom
17.0% of the fleet
1.02T7,308
4JackIV
12.3% of the fleet
738.06B4,225
5randomchampgamer
9.7% of the fleet
584.90B4,333
6tenzink
9.1% of the fleet
550.03B3,560
7quasa
3.4% of the fleet
201.44B1,404
8MoNiKaMaDnEsS
2.2% of the fleet
129.47B754

8 accounts · 6.01T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.1% of the fleet
79.65T677,611
2tenzink
16.4% of the fleet
34.31T291,502
3auranvesdranor
11.1% of the fleet
23.25T167,045
4BManBJ
10.8% of the fleet
22.55T153,171
5JackIV
4.2% of the fleet
8.68T60,797
6randomchampgamer
3.6% of the fleet
7.60T54,335
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,751
9MoNiKaMaDnEsS
1.8% of the fleet
3.84T24,377
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 209.04T 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