AtomicDB

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76.3M
positions
14.4M
practically solved
274.60T
engine nodes
2.1M
analyses
2,993
in queue
9
active workers
48
active cores
2.8M
nodes / sec
13.9
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 18.9% of tree positions solved · last 24h: 247,479 closures, 3.67T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 220 open obligations, of which 42 (19.1%) 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 45s (median of 61) · measured at 2026-10-06 15:00 UTC
Closures by source, last 24h (247479 of 247479 labelled): USER 99.8% (247091) · FILL 0.1% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (94) · last 7d (2094031 of 2094031): USER 99.8% (2088974) · FILL 0.0% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (4763). 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
g1f3unsolved10442
g1h3unsolved7202
e2e3unsolved5053
d2d4unsolved4412
e2e4unsolved4182
b1c3unsolved1052
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
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
42.9% of the fleet
1.57T9,495
2tenzink
18.7% of the fleet
685.14B4,029
3randomchampgamer
17.5% of the fleet
640.27B3,804
4RickEdinson
13.0% of the fleet
475.85B2,715
5MoNiKaMaDnEsS
8.0% of the fleet
291.69B1,795
6soothdest
<0.1% of the fleet
474.8M26

6 accounts · 3.67T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.9% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
41.99T343,750
3BManBJ
14.4% of the fleet
39.44T276,976
4auranvesdranor
11.4% of the fleet
31.40T228,002
5randomchampgamer
5.4% of the fleet
14.74T108,560
6JackIV
3.7% of the fleet
10.06T67,859
7RickEdinson
3.6% of the fleet
9.75T65,165
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
5.77T38,603
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 274.68T 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