AtomicDB

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66.8M
positions
12.0M
practically solved
240.67T
engine nodes
1.9M
analyses
6,977
in queue
18
active workers
128
active cores
41.0M
nodes / sec
29.5
positions / min
57
proof number
3,835
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 318,277 closures, 5.76T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 198 open obligations, of which 33 (16.7%) 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 6.3h (median of 179) · measured at 2026-09-29 10:00 UTC
Closures by source, last 24h (318232 of 318232 labelled): USER 99.8% (317541) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (691) · last 7d (1744939 of 1744984): USER 97.5% (1701551) · FILL 0.5% (8795) · AUTO 1.8% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2528). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved10372
g1h3unsolved8002
d2d4unsolved4372
e2e4unsolved4172
e2e3unsolved3843
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1103
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3013
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
27.6% of the fleet
1.59T3,898
2BManBJ
24.9% of the fleet
1.43T10,563
3auranvesdranor
18.2% of the fleet
1.05T8,025
4randomchampgamer
10.6% of the fleet
610.68B4,997
5tenzink
9.5% of the fleet
549.63B3,510
6RickEdinson
3.6% of the fleet
204.92B1,333
7MoNiKaMaDnEsS
2.8% of the fleet
158.59B1,206
8uipio
1.4% of the fleet
82.00B280
9rhaxier
1.1% of the fleet
66.09B448
10soothdest
0.2% of the fleet
12.60B95

10 accounts · 5.76T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.5% of the fleet
90.30T751,082
2tenzink
15.5% of the fleet
37.22T310,497
3BManBJ
12.0% of the fleet
28.91T200,027
4auranvesdranor
11.6% of the fleet
27.87T201,089
5randomchampgamer
4.2% of the fleet
10.08T73,955
6JackIV
4.2% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.70T44,403
8MoNiKaMaDnEsS
1.8% of the fleet
4.30T27,771
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 240.88T 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 21 proposals · see every proposal

Milestones