AtomicDB

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59.3M
positions
10.0M
practically solved
213.62T
engine nodes
1.7M
analyses
7,423
in queue
13
active workers
89
active cores
6.8M
nodes / sec
28.6
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 541,860 closures, 5.75T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 79 over 169 open obligations, of which 28 (16.6%) 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 3.5m (median of 117) · measured at 2026-09-20 05:00 UTC
Closures by source, last 24h (541860 of 541860 labelled): USER 99.9% (541411) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (449) · last 7d (2284654 of 2284654): USER 98.8% (2258093) · FILL 0.1% (3142) · AUTO 0.9% (19645) · SOLVE 0.0% (0) · NONE 0.2% (3774). 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
g1f3unsolved10912
g1h3unsolved7172
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved722
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
h2h4unsolved-5002
a2a4unsolved-5022
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
1BManBJ
26.9% of the fleet
1.55T11,415
2auranvesdranor
21.7% of the fleet
1.25T9,567
3JackIV
17.6% of the fleet
1.01T4,603
4Torom
10.7% of the fleet
613.82B4,302
5tenzink
10.5% of the fleet
605.60B4,184
6randomchampgamer
9.0% of the fleet
517.60B4,191
7quasa
2.0% of the fleet
116.44B863
8MoNiKaMaDnEsS
1.4% of the fleet
79.99B582
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 5.75T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.2% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.84T295,078
3auranvesdranor
11.4% of the fleet
24.28T174,895
4BManBJ
11.2% of the fleet
23.89T163,038
5JackIV
4.5% of the fleet
9.58T64,550
6randomchampgamer
3.8% of the fleet
8.04T57,930
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.92T24,959
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 213.83T 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 19 proposals · see every proposal

Milestones