AtomicDB

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67.6M
positions
12.1M
practically solved
243.55T
engine nodes
1.9M
analyses
7,892
in queue
18
active workers
128
active cores
23.1M
nodes / sec
35.2
positions / min
57
proof number
3,815
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 321,538 closures, 6.57T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 199 open obligations, of which 32 (16.1%) 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 5.4m (median of 121) · measured at 2026-09-29 20:00 UTC
Closures by source, last 24h (321367 of 321367 labelled): USER 99.9% (321021) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (346) · last 7d (1851245 of 1851332): USER 97.7% (1807822) · FILL 0.5% (8795) · AUTO 1.7% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2563). 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
g1f3unsolved10502
g1h3unsolved7602
e2e3unsolved4393
d2d4unsolved3922
e2e4unsolved3632
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1191
f2f4unsolved-2993
h2h4unsolved-4972
a2a4unsolved-5102
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
1gannet
35.7% of the fleet
2.35T11,349
2BManBJ
21.4% of the fleet
1.41T10,565
3auranvesdranor
15.4% of the fleet
1.01T7,728
4randomchampgamer
8.8% of the fleet
577.34B4,652
5tenzink
8.4% of the fleet
549.45B3,819
6RickEdinson
5.3% of the fleet
349.20B2,271
7MoNiKaMaDnEsS
4.2% of the fleet
278.53B2,074
8rhaxier
0.8% of the fleet
49.81B346
9soothdest
<0.1% of the fleet
1.31B21

9 accounts · 6.57T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.1% of the fleet
90.30T751,082
2tenzink
15.4% of the fleet
37.45T312,108
3BManBJ
12.1% of the fleet
29.47T204,254
4auranvesdranor
11.6% of the fleet
28.27T204,120
5randomchampgamer
4.2% of the fleet
10.29T75,663
6JackIV
4.1% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.84T45,341
8MoNiKaMaDnEsS
1.8% of the fleet
4.42T28,639
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 243.67T 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 21 proposals · see every proposal

Milestones