AtomicDB

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73.8M
positions
13.7M
practically solved
264.07T
engine nodes
2.0M
analyses
5,098
in queue
8
active workers
48
active cores
9.4M
nodes / sec
16.4
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.6% of tree positions solved · last 24h: 176,489 closures, 3.55T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 209 open obligations, of which 39 (18.7%) 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 41.8m (median of 22) · measured at 2026-10-03 15:00 UTC
Closures by source, last 24h (176484 of 176484 labelled): USER 99.4% (175467) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.6% (1017) · last 7d (2352623 of 2352628): USER 99.2% (2334184) · FILL 0.1% (3187) · AUTO 0.5% (10957) · SOLVE 0.0% (0) · NONE 0.2% (4295). 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
g1h3unsolved6872
e2e3unsolved5053
d2d4unsolved4402
e2e4unsolved4182
b1c3unsolved1142
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
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
39.3% of the fleet
1.40T10,289
2tenzink
19.4% of the fleet
689.20B4,916
3randomchampgamer
19.2% of the fleet
680.17B5,172
4RickEdinson
13.4% of the fleet
477.35B3,402
5auranvesdranor
7.3% of the fleet
258.45B1,950
6MoNiKaMaDnEsS
1.2% of the fleet
41.03B322
7quasa
0.2% of the fleet
7.94B62

7 accounts · 3.55T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
34.2% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
39.89T329,695
3BManBJ
13.3% of the fleet
35.02T246,936
4auranvesdranor
11.9% of the fleet
31.40T228,002
5randomchampgamer
4.8% of the fleet
12.72T94,684
6JackIV
3.8% of the fleet
10.06T67,859
7RickEdinson
3.1% of the fleet
8.31T55,894
8gannet
2.7% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.21T34,838
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 264.14T 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