AtomicDB

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67.7M
positions
12.2M
practically solved
243.80T
engine nodes
1.9M
analyses
6,960
in queue
18
active workers
128
active cores
17.5M
nodes / sec
37.1
positions / min
57
proof number
3,808
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 322,683 closures, 6.65T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 198 open obligations, of which 32 (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 3.1m (median of 137) · measured at 2026-09-29 21:00 UTC
Closures by source, last 24h (322683 of 322683 labelled): USER 99.9% (322321) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (362) · last 7d (1868673 of 1868673): USER 97.7% (1825196) · FILL 0.5% (8795) · AUTO 1.7% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2617). 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
g1f3unsolved9922
g1h3unsolved7602
e2e3unsolved4533
d2d4unsolved3922
e2e4unsolved3922
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1191
f2f4unsolved-2993
h2h4unsolved-4972
a2a4unsolved-5102
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
36.4% of the fleet
2.42T12,194
2BManBJ
21.3% of the fleet
1.41T10,593
3auranvesdranor
15.2% of the fleet
1.01T7,738
4randomchampgamer
8.6% of the fleet
572.69B4,581
5tenzink
8.2% of the fleet
546.48B3,798
6RickEdinson
5.5% of the fleet
365.97B2,354
7MoNiKaMaDnEsS
4.2% of the fleet
278.53B2,074
8rhaxier
0.6% of the fleet
40.21B295
9soothdest
<0.1% of the fleet
1.31B21

9 accounts · 6.65T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.0% of the fleet
90.30T751,082
2tenzink
15.4% of the fleet
37.48T312,285
3BManBJ
12.1% of the fleet
29.54T204,774
4auranvesdranor
11.6% of the fleet
28.31T204,478
5randomchampgamer
4.2% of the fleet
10.32T75,862
6JackIV
4.1% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.86T45,424
8MoNiKaMaDnEsS
1.8% of the fleet
4.42T28,639
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 243.97T 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