AtomicDB

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60.6M
positions
10.3M
practically solved
218.52T
engine nodes
1.7M
analyses
1,414
in queue
22
active workers
352
active cores
16.9M
nodes / sec
102
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.9% of tree positions solved · last 24h: 143,501 closures, 2.09T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 79 over 175 open obligations, of which 29 (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 1.4h (median of 154) · measured at 2026-09-25 17:00 UTC
Closures by source, last 24h (143386 of 143386 labelled): USER 100.0% (143350) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (36) · last 7d (1145506 of 1145549): USER 99.9% (1144180) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (1326). 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
g1f3unsolved10602
g1h3unsolved8042
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
77.3% of the fleet
1.62T11,959
2BManBJ
13.1% of the fleet
275.10B1,762
3tenzink
4.7% of the fleet
99.09B776
4randomchampgamer
2.4% of the fleet
49.90B331
5RickEdinson
1.3% of the fleet
26.56B210
6rhaxier
1.2% of the fleet
24.20B142
7soothdest
0.1% of the fleet
2.89B26

7 accounts · 2.10T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.2% of the fleet
81.27T689,566
2tenzink
16.1% of the fleet
35.23T297,811
3auranvesdranor
11.5% of the fleet
25.14T181,535
4BManBJ
11.4% of the fleet
24.87T170,246
5JackIV
4.6% of the fleet
10.06T67,859
6randomchampgamer
3.8% of the fleet
8.36T60,469
7RickEdinson
2.9% of the fleet
6.35T41,877
8NeoArcturus
1.9% 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 · 218.58T 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