AtomicDB

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58.0M
positions
9.5M
practically solved
209.31T
engine nodes
1.7M
analyses
2,302
in queue
14
active workers
96
active cores
29.3M
nodes / sec
22.2
positions / min
131
proof number
3,776
disproof number
Root conquest: 0/20 first moves solved · 16.4% of tree positions solved · last 24h: 521,833 closures, 6.16T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 79 over 166 open obligations, of which 28 (16.9%) 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 6.2h (median of 132) · measured at 2026-09-19 10:00 UTC
Closures by source, last 24h (521812 of 521812 labelled): USER 99.8% (521002) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (810) · last 7d (1929086 of 1929107): USER 98.5% (1900585) · FILL 0.2% (3608) · AUTO 1.1% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3813). 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
g1f3unsolved10702
g1h3unsolved8012
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
1auranvesdranor
24.6% of the fleet
1.52T11,540
2BManBJ
21.8% of the fleet
1.34T9,805
3Torom
16.6% of the fleet
1.02T7,308
4JackIV
13.1% of the fleet
806.04B4,447
5randomchampgamer
9.4% of the fleet
580.31B4,294
6tenzink
9.0% of the fleet
554.43B3,537
7quasa
3.4% of the fleet
210.39B1,481
8MoNiKaMaDnEsS
2.1% of the fleet
129.47B754
9NeoArcturus
<0.1% of the fleet
512.0M4

9 accounts · 6.16T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.0% of the fleet
79.65T677,611
2tenzink
16.4% of the fleet
34.35T291,732
3auranvesdranor
11.2% of the fleet
23.35T167,827
4BManBJ
10.8% of the fleet
22.64T153,797
5JackIV
4.2% of the fleet
8.75T61,019
6randomchampgamer
3.6% of the fleet
7.63T54,629
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,755
9MoNiKaMaDnEsS
1.8% of the fleet
3.84T24,377
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 209.38T 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