AtomicDB

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67.1M
positions
12.1M
practically solved
241.89T
engine nodes
1.9M
analyses
10,513
in queue
20
active workers
134
active cores
32.7M
nodes / sec
36.1
positions / min
57
proof number
3,835
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 337,768 closures, 6.18T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 200 open obligations, of which 33 (16.5%) 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 1.2h (median of 88) · measured at 2026-09-29 14:00 UTC
Closures by source, last 24h (337560 of 337614 labelled): USER 99.8% (336957) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (603) · last 7d (1789530 of 1789684): USER 97.6% (1746139) · FILL 0.5% (8795) · AUTO 1.8% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2531). 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
g1f3unsolved10132
g1h3unsolved8122
d2d4unsolved4372
e2e3unsolved3843
e2e4unsolved2722
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
32.1% of the fleet
1.99T6,746
2BManBJ
23.1% of the fleet
1.43T10,627
3auranvesdranor
16.9% of the fleet
1.04T7,969
4randomchampgamer
9.9% of the fleet
610.65B5,002
5tenzink
9.0% of the fleet
557.90B3,759
6RickEdinson
4.3% of the fleet
263.33B1,743
7MoNiKaMaDnEsS
3.5% of the fleet
218.90B1,641
8rhaxier
1.1% of the fleet
66.09B448
9soothdest
<0.1% of the fleet
1.76B22

9 accounts · 6.18T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.3% of the fleet
90.30T751,082
2tenzink
15.4% of the fleet
37.32T311,201
3BManBJ
12.0% of the fleet
29.14T201,766
4auranvesdranor
11.6% of the fleet
28.04T202,364
5randomchampgamer
4.2% of the fleet
10.17T74,669
6JackIV
4.2% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.76T44,813
8MoNiKaMaDnEsS
1.8% of the fleet
4.36T28,206
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 242.05T 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