AtomicDB

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64.8M
positions
11.5M
practically solved
232.49T
engine nodes
1.8M
analyses
6,926
in queue
11
active workers
68
active cores
1.00T
nodes / sec
19.8
positions / min
125
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 336,130 closures, 3.70T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 191 open obligations, of which 30 (15.7%) 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 5.5h (median of 118) · measured at 2026-09-27 19:00 UTC
Closures by source, last 24h (336130 of 336130 labelled): USER 97.7% (328438) · FILL 0.4% (1194) · AUTO 1.8% (6050) · SOLVE 0.0% (0) · NONE 0.1% (448) · last 7d (1296439 of 1296450): USER 96.7% (1253843) · FILL 0.7% (8795) · AUTO 2.5% (32065) · SOLVE 0.0% (0) · NONE 0.1% (1736). 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
g1f3unsolved9532
g1h3unsolved7872
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved1832
c2c3unsolved192
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
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
29.5% of the fleet
1.09T7,311
2auranvesdranor
23.2% of the fleet
858.98B5,212
3tenzink
15.0% of the fleet
556.04B3,356
4randomchampgamer
14.9% of the fleet
549.63B4,043
5NitroColoraze
14.2% of the fleet
526.64B1,897
6MoNiKaMaDnEsS
2.7% of the fleet
98.75B664
7soothdest
0.5% of the fleet
16.70B129
8rhaxier
<0.1% of the fleet
1.66B13
9RandomMatrix
<0.1% of the fleet
896.0M4
10bricerichmond
<0.1% of the fleet
700.3M6

10 accounts · 3.70T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.8% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.34T304,982
3BManBJ
11.4% of the fleet
26.61T182,807
4auranvesdranor
11.2% of the fleet
26.17T188,033
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
3.9% of the fleet
9.14T66,358
7RickEdinson
2.8% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.8% of the fleet
4.09T16,756
10ijh
1.5% of the fleet
3.57T37,348

and 23 more.

33 accounts · 232.63T 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