AtomicDB

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57.5M
positions
9.3M
practically solved
207.79T
engine nodes
1.6M
analyses
4,938
in queue
19
active workers
129
active cores
18.7M
nodes / sec
44.2
positions / min
131
proof number
3,776
disproof number
Root conquest: 0/20 first moves solved · 16.3% of tree positions solved · last 24h: 449,826 closures, 5.70T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 74 over 165 open obligations, of which 29 (17.6%) 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 5.7m (median of 139) · measured at 2026-09-19 05:00 UTC
Closures by source, last 24h (449502 of 449585 labelled): USER 99.8% (448714) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (788) · last 7d (1805891 of 1806080): USER 98.4% (1777275) · FILL 0.2% (3679) · AUTO 1.2% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3857). 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
1BManBJ
23.1% of the fleet
1.32T9,589
2auranvesdranor
22.9% of the fleet
1.31T9,932
3Torom
19.1% of the fleet
1.09T7,800
4JackIV
10.6% of the fleet
606.16B3,276
5randomchampgamer
10.4% of the fleet
592.88B4,412
6tenzink
9.6% of the fleet
547.87B3,520
7MoNiKaMaDnEsS
2.8% of the fleet
157.73B965
8quasa
1.4% of the fleet
82.30B538

8 accounts · 5.70T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.3% of the fleet
79.65T677,611
2tenzink
16.5% of the fleet
34.22T290,828
3auranvesdranor
11.1% of the fleet
23.00T165,142
4BManBJ
10.7% of the fleet
22.32T151,453
5JackIV
4.1% of the fleet
8.55T59,848
6randomchampgamer
3.6% of the fleet
7.51T53,671
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 · 207.95T 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