AtomicDB

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66.3M
positions
11.9M
practically solved
238.09T
engine nodes
1.8M
analyses
6,808
in queue
15
active workers
104
active cores
23.4M
nodes / sec
23.9
positions / min
83
proof number
3,835
disproof number
Root conquest: 0/20 first moves solved · 17.9% of tree positions solved · last 24h: 285,694 closures, 4.74T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 197 open obligations, of which 33 (16.8%) 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 20.3m (median of 44) · measured at 2026-09-29 01:00 UTC
Closures by source, last 24h (285691 of 285691 labelled): USER 99.7% (284955) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.3% (736) · last 7d (1623654 of 1623657): USER 97.3% (1580322) · FILL 0.5% (8795) · AUTO 2.0% (32065) · SOLVE 0.0% (0) · NONE 0.2% (2472). 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
g1h3unsolved7862
e2e3unsolved5053
d2d4unsolved4362
e2e4unsolved4172
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1103
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3013
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
30.2% of the fleet
1.43T10,680
2auranvesdranor
22.3% of the fleet
1.06T8,096
3gannet
12.6% of the fleet
598.77B1,138
4randomchampgamer
12.4% of the fleet
587.77B4,772
5tenzink
11.8% of the fleet
557.82B3,384
6uipio
6.7% of the fleet
317.54B1,518
7bricerichmond
1.6% of the fleet
77.47B107
8rhaxier
1.3% of the fleet
61.75B412
9RickEdinson
0.9% of the fleet
41.16B327
10soothdest
0.3% of the fleet
12.60B95

and 1 more.

11 accounts · 4.74T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.9% of the fleet
90.30T751,082
2tenzink
15.5% of the fleet
37.02T309,180
3BManBJ
11.9% of the fleet
28.36T195,948
4auranvesdranor
11.5% of the fleet
27.47T197,988
5JackIV
4.2% of the fleet
10.06T67,859
6randomchampgamer
4.1% of the fleet
9.85T72,133
7RickEdinson
2.7% of the fleet
6.54T43,397
8MoNiKaMaDnEsS
1.7% of the fleet
4.14T26,565
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 238.18T 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