AtomicDB

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71.0M
positions
13.0M
practically solved
255.39T
engine nodes
2.0M
analyses
3,201
in queue
17
active workers
94
active cores
23.5M
nodes / sec
30.6
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.3% of tree positions solved · last 24h: 497,358 closures, 7.15T 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 7.4h (median of 136) · measured at 2026-10-01 12:00 UTC
Closures by source, last 24h (497258 of 497258 labelled): USER 99.9% (496762) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (496) · last 7d (2666307 of 2666407): USER 98.3% (2622185) · FILL 0.3% (8795) · AUTO 1.2% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3262). 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
g1f3unsolved11012
g1h3unsolved7832
e2e3unsolved4573
d2d4unsolved4342
e2e4unsolved4172
b1c3unsolved1872
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
d2d3unsolved-1162
f2f3unsolved-1173
a2a3unsolved-1272
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
g2g4unsolved-6022
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
36.3% of the fleet
2.60T19,914
2BManBJ
20.3% of the fleet
1.45T11,235
3auranvesdranor
14.6% of the fleet
1.04T7,909
4randomchampgamer
8.7% of the fleet
622.30B5,005
5tenzink
8.4% of the fleet
599.74B4,337
6RickEdinson
5.3% of the fleet
377.87B2,649
7MoNiKaMaDnEsS
5.2% of the fleet
374.02B2,896
8quasa
1.1% of the fleet
79.20B613
9soothdest
<0.1% of the fleet
1.47B35

9 accounts · 7.15T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.3% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.49T319,624
3BManBJ
12.5% of the fleet
31.96T223,565
4auranvesdranor
11.7% of the fleet
30.02T217,428
5randomchampgamer
4.4% of the fleet
11.34T84,060
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.34T48,844
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
1.9% of the fleet
4.90T32,376
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 255.57T 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