AtomicDB

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66.8M
positions
12.0M
practically solved
240.39T
engine nodes
1.9M
analyses
6,680
in queue
18
active workers
128
active cores
39.2M
nodes / sec
29.4
positions / min
57
proof number
3,835
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 314,900 closures, 5.65T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 197 open obligations, of which 33 (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 5.5h (median of 176) · measured at 2026-09-29 09:00 UTC
Closures by source, last 24h (314804 of 314850 labelled): USER 99.8% (314065) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (739) · last 7d (1735030 of 1735080): USER 97.5% (1691642) · FILL 0.5% (8795) · AUTO 1.8% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2528). 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
g1f3unsolved11002
g1h3unsolved8072
d2d4unsolved4372
e2e4unsolved4172
e2e3unsolved4153
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1103
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3013
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
1gannet
25.7% of the fleet
1.45T3,434
2BManBJ
25.4% of the fleet
1.44T10,556
3auranvesdranor
18.6% of the fleet
1.05T8,004
4randomchampgamer
10.8% of the fleet
608.12B4,977
5tenzink
9.7% of the fleet
548.02B3,479
6RickEdinson
3.2% of the fleet
182.90B1,187
7MoNiKaMaDnEsS
2.8% of the fleet
158.59B1,206
8uipio
2.4% of the fleet
137.24B493
9rhaxier
1.2% of the fleet
66.09B448
10soothdest
0.2% of the fleet
12.60B95

and 1 more.

11 accounts · 5.65T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.5% of the fleet
90.30T751,082
2tenzink
15.5% of the fleet
37.18T310,298
3BManBJ
12.0% of the fleet
28.84T199,488
4auranvesdranor
11.6% of the fleet
27.82T200,674
5JackIV
4.2% of the fleet
10.06T67,859
6randomchampgamer
4.2% of the fleet
10.05T73,729
7RickEdinson
2.8% of the fleet
6.68T44,257
8MoNiKaMaDnEsS
1.8% of the fleet
4.30T27,771
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 240.53T 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