AtomicDB

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70.7M
positions
12.9M
practically solved
254.43T
engine nodes
2.0M
analyses
4,824
in queue
14
active workers
81
active cores
9.3M
nodes / sec
27.4
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.2% of tree positions solved · last 24h: 449,455 closures, 7.32T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 198 open obligations, of which 30 (15.2%) 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 3.4h (median of 111) · measured at 2026-10-01 08:00 UTC
Closures by source, last 24h (449005 of 449068 labelled): USER 99.9% (448631) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (374) · last 7d (2558536 of 2558878): USER 98.3% (2514560) · FILL 0.3% (8795) · AUTO 1.3% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3116). 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
g1f3unsolved10512
g1h3unsolved7582
e2e3unsolved4573
d2d4unsolved4342
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
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
41.8% of the fleet
3.06T23,469
2BManBJ
19.7% of the fleet
1.44T11,207
3auranvesdranor
14.3% of the fleet
1.04T7,912
4randomchampgamer
8.4% of the fleet
616.28B4,954
5tenzink
8.1% of the fleet
595.28B4,207
6RickEdinson
4.2% of the fleet
304.56B2,149
7MoNiKaMaDnEsS
3.5% of the fleet
255.75B2,037
8soothdest
<0.1% of the fleet
1.47B35

8 accounts · 7.32T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.5% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.38T318,865
3BManBJ
12.4% of the fleet
31.70T221,580
4auranvesdranor
11.7% of the fleet
29.85T216,155
5randomchampgamer
4.4% of the fleet
11.23T83,231
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.27T48,344
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
1.9% of the fleet
4.78T31,517
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 254.66T 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