AtomicDB

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62.9M
positions
11.1M
practically solved
226.35T
engine nodes
1.8M
analyses
518
in queue
16
active workers
318
active cores
82.8M
nodes / sec
41.5
positions / min
125
proof number
3,794
disproof number
Root conquest: 0/20 first moves solved · 17.6% of tree positions solved · last 24h: 868,753 closures, 9.98T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 182 open obligations, of which 29 (15.9%) 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 9.6h (median of 140) · measured at 2026-09-26 12:00 UTC
Closures by source, last 24h (868558 of 868649 labelled): USER 98.5% (855755) · FILL 0.1% (1140) · AUTO 1.2% (10778) · SOLVE 0.0% (0) · NONE 0.1% (885) · last 7d (1363874 of 1363978): USER 99.0% (1350389) · FILL 0.1% (1140) · AUTO 0.8% (10778) · SOLVE 0.0% (0) · NONE 0.1% (1567). 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
g1f3unsolved10732
g1h3unsolved7902
e2e3unsolved5053
e2e4unsolved4172
d2d4unsolved3592
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
1NitroColoraze
85.2% of the fleet
8.50T61,154
2BManBJ
6.4% of the fleet
635.28B4,695
3tenzink
4.7% of the fleet
467.78B3,432
4randomchampgamer
1.8% of the fleet
174.88B1,368
5RickEdinson
1.7% of the fleet
173.37B1,403
6rhaxier
0.2% of the fleet
24.20B142
7Torom
<0.1% of the fleet
3.44B8
8soothdest
<0.1% of the fleet
2.89B26

8 accounts · 9.98T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.9% of the fleet
88.15T738,762
2tenzink
15.7% of the fleet
35.60T300,467
3BManBJ
11.1% of the fleet
25.23T173,180
4auranvesdranor
11.1% of the fleet
25.14T181,535
5JackIV
4.4% of the fleet
10.06T67,859
6randomchampgamer
3.7% of the fleet
8.48T61,506
7RickEdinson
2.9% of the fleet
6.50T43,070
8NeoArcturus
1.8% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.7% of the fleet
3.96T25,268
10ijh
1.6% of the fleet
3.57T37,348

and 22 more.

32 accounts · 226.46T 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