AtomicDB

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70.8M
positions
12.9M
practically solved
254.69T
engine nodes
2.0M
analyses
5,663
in queue
17
active workers
94
active cores
14.4M
nodes / sec
27.6
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.3% of tree positions solved · last 24h: 460,193 closures, 7.28T 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 4.3h (median of 110) · measured at 2026-10-01 09:00 UTC
Closures by source, last 24h (460113 of 460113 labelled): USER 99.9% (459717) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (396) · last 7d (2576427 of 2576507): USER 98.3% (2532429) · FILL 0.3% (8795) · AUTO 1.2% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3138). 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
g1f3unsolved10462
g1h3unsolved7962
e2e3unsolved4573
d2d4unsolved4342
e2e4unsolved4072
b1c3unsolved1422
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
41.1% of the fleet
2.99T22,968
2BManBJ
19.8% of the fleet
1.44T11,210
3auranvesdranor
14.3% of the fleet
1.04T7,900
4randomchampgamer
8.5% of the fleet
617.70B4,972
5tenzink
8.2% of the fleet
596.03B4,238
6RickEdinson
4.3% of the fleet
314.93B2,212
7MoNiKaMaDnEsS
3.7% of the fleet
266.70B2,126
8quasa
0.1% of the fleet
7.42B55
9soothdest
<0.1% of the fleet
1.47B35

9 accounts · 7.28T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.4% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.39T318,995
3BManBJ
12.5% of the fleet
31.74T221,882
4auranvesdranor
11.7% of the fleet
29.88T216,342
5randomchampgamer
4.4% of the fleet
11.25T83,363
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.28T48,407
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
1.9% of the fleet
4.79T31,606
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 254.79T 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