AtomicDB

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56.8M
positions
9.1M
practically solved
205.52T
engine nodes
1.6M
analyses
4,181
in queue
15
active workers
100
active cores
13.4M
nodes / sec
38.6
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 16.0% of tree positions solved · last 24h: 385,465 closures, 5.35T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 166 open obligations, of which 31 (18.7%) 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 31.8m (median of 78) · measured at 2026-09-18 22:00 UTC
Closures by source, last 24h (385328 of 385328 labelled): USER 99.8% (384658) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (670) · last 7d (1651243 of 1651380): USER 98.3% (1622441) · FILL 0.2% (3855) · AUTO 1.3% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3867). 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
d2d4unsolved4342
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
1.30T9,575
2auranvesdranor
22.5% of the fleet
1.21T9,149
3Torom
20.6% of the fleet
1.10T7,985
4randomchampgamer
11.8% of the fleet
629.47B4,716
5tenzink
10.4% of the fleet
558.23B3,726
6JackIV
6.4% of the fleet
340.44B1,462
7MoNiKaMaDnEsS
2.9% of the fleet
153.37B939
8quasa
1.3% of the fleet
66.94B424

8 accounts · 5.35T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.7% of the fleet
79.65T677,611
2tenzink
16.5% of the fleet
34.06T289,716
3auranvesdranor
11.0% of the fleet
22.63T162,319
4BManBJ
10.7% of the fleet
21.93T148,600
5JackIV
4.0% of the fleet
8.29T58,034
6randomchampgamer
3.6% of the fleet
7.39T52,661
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 · 205.84T 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