AtomicDB

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85.0M
positions
16.2M
practically solved
311.79T
engine nodes
2.4M
analyses
0
in queue
6
active workers
36
active cores
25.2M
nodes / sec
8.0
positions / min
139
proof number
4,753
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 135,557 closures, 2.58T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 211 open obligations, of which 40 (19.0%) 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 8.6m (median of 1) · measured at 2026-10-16 07:00 UTC
Closures by source, last 24h (135557 of 135557 labelled): USER 79.1% (107222) · FILL 1.7% (2257) · AUTO 19.2% (26015) · SOLVE 0.0% (0) · NONE 0.0% (63) · last 7d (862305 of 862305): USER 93.0% (802140) · FILL 0.6% (5361) · AUTO 6.3% (54315) · SOLVE 0.0% (0) · NONE 0.1% (489). 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
g1f3unsolved11152
g1h3unsolved7632
e2e3unsolved5053
d2d4unsolved4002
e2e4unsolved4002
b1c3unsolved1382
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
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
54.7% of the fleet
1.41T13,628
2RickEdinson
16.5% of the fleet
425.18B3,956
3MoNiKaMaDnEsS
16.1% of the fleet
416.95B3,590
4randomchampgamer
12.7% of the fleet
327.63B2,773
5NeoArcturus
<0.1% of the fleet
144.9M4

5 accounts · 2.58T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.0% of the fleet
90.30T751,082
2BManBJ
16.6% of the fleet
51.87T364,035
3tenzink
13.7% of the fleet
42.83T349,427
4auranvesdranor
10.1% of the fleet
31.40T228,002
5randomchampgamer
6.4% of the fleet
19.85T140,897
6Torom
5.0% of the fleet
15.70T113,354
7RickEdinson
4.4% of the fleet
13.85T92,477
8JackIV
3.2% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.6% of the fleet
8.18T55,345
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 311.88T 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 23 proposals · see every proposal

Milestones