AtomicDB

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67.5M
positions
12.1M
practically solved
243.28T
engine nodes
1.9M
analyses
8,200
in queue
18
active workers
128
active cores
23.3M
nodes / sec
31.0
positions / min
57
proof number
3,815
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 325,116 closures, 6.51T 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 3.1m (median of 132) · measured at 2026-09-29 19:00 UTC
Closures by source, last 24h (325007 of 325051 labelled): USER 99.9% (324624) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (383) · last 7d (1839507 of 1839570): USER 97.6% (1796108) · FILL 0.5% (8795) · AUTO 1.7% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2539). 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
d2d4unsolved4372
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
35.1% of the fleet
2.28T10,549
2BManBJ
21.6% of the fleet
1.41T10,615
3auranvesdranor
15.6% of the fleet
1.02T7,756
4randomchampgamer
8.9% of the fleet
583.05B4,716
5tenzink
8.5% of the fleet
550.90B3,825
6RickEdinson
5.1% of the fleet
330.49B2,210
7MoNiKaMaDnEsS
4.3% of the fleet
278.53B2,074
8rhaxier
0.9% of the fleet
59.29B406
9soothdest
<0.1% of the fleet
2.19B35

9 accounts · 6.51T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.1% of the fleet
90.30T751,082
2tenzink
15.4% of the fleet
37.43T311,934
3BManBJ
12.1% of the fleet
29.41T203,805
4auranvesdranor
11.6% of the fleet
28.23T203,802
5randomchampgamer
4.2% of the fleet
10.27T75,496
6JackIV
4.1% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.83T45,280
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 · 243.39T 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