AtomicDB

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60.3M
positions
10.2M
practically solved
217.21T
engine nodes
1.7M
analyses
1,591
in queue
21
active workers
344
active cores
65.7M
nodes / sec
92.0
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 48,931 closures, 795.77B nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 78 over 173 open obligations, of which 29 (16.8%) 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 10.9m (median of 89) · measured at 2026-09-25 15:00 UTC
Closures by source, last 24h (49013 of 49013 labelled): USER 99.9% (48981) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (32) · last 7d (1070806 of 1070862): USER 99.9% (1069412) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (1394). 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
g1f3unsolved10832
g1h3unsolved7752
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
69.2% of the fleet
550.49B4,012
2BManBJ
19.8% of the fleet
157.36B919
3tenzink
6.1% of the fleet
48.66B378
4rhaxier
3.0% of the fleet
24.20B142
5randomchampgamer
1.5% of the fleet
12.16B101
6soothdest
0.4% of the fleet
2.89B26

6 accounts · 795.77B nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.9% of the fleet
80.20T681,623
2tenzink
16.2% of the fleet
35.18T297,413
3auranvesdranor
11.6% of the fleet
25.14T181,535
4BManBJ
11.4% of the fleet
24.75T169,404
5JackIV
4.6% of the fleet
10.06T67,859
6randomchampgamer
3.8% of the fleet
8.32T60,239
7RickEdinson
2.9% of the fleet
6.32T41,667
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 · 217.28T 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