AtomicDB

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61.2M
positions
10.5M
practically solved
221.37T
engine nodes
1.7M
analyses
1,077
in queue
20
active workers
346
active cores
19.0M
nodes / sec
97.9
positions / min
125
proof number
3,794
disproof number
Root conquest: 0/20 first moves solved · 17.1% of tree positions solved · last 24h: 383,825 closures, 5.44T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 179 open obligations, of which 29 (16.2%) 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 4.4h (median of 76) · measured at 2026-09-25 22:00 UTC
Closures by source, last 24h (383610 of 383647 labelled): USER 98.5% (377805) · FILL 0.1% (343) · AUTO 1.4% (5192) · SOLVE 0.0% (0) · NONE 0.1% (270) · last 7d (1276150 of 1276267): USER 99.5% (1269308) · FILL 0.0% (343) · AUTO 0.4% (5192) · SOLVE 0.0% (0) · NONE 0.1% (1307). 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
g1f3unsolved10592
g1h3unsolved7742
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
1NitroColoraze
79.8% of the fleet
4.34T33,974
2BManBJ
10.5% of the fleet
573.24B4,184
3tenzink
4.4% of the fleet
241.50B1,937
4randomchampgamer
2.7% of the fleet
148.82B1,161
5RickEdinson
2.0% of the fleet
108.68B892
6rhaxier
0.4% of the fleet
24.20B142
7soothdest
0.1% of the fleet
2.89B26

7 accounts · 5.44T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.8% of the fleet
83.99T711,580
2tenzink
15.9% of the fleet
35.37T298,971
3BManBJ
11.3% of the fleet
25.16T172,668
4auranvesdranor
11.3% of the fleet
25.14T181,535
5JackIV
4.5% of the fleet
10.06T67,859
6randomchampgamer
3.8% of the fleet
8.46T61,299
7RickEdinson
2.9% of the fleet
6.43T42,559
8NeoArcturus
1.8% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.96T25,268
10ijh
1.6% of the fleet
3.57T37,348

and 22 more.

32 accounts · 221.92T 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 20 proposals · see every proposal

Milestones