AtomicDB

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59.4M
positions
10.0M
practically solved
213.87T
engine nodes
1.7M
analyses
6,932
in queue
13
active workers
89
active cores
24.0M
nodes / sec
30.8
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 523,231 closures, 5.67T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 79 over 169 open obligations, of which 28 (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 15.7m (median of 129) · measured at 2026-09-20 06:00 UTC
Closures by source, last 24h (523165 of 523165 labelled): USER 99.9% (522730) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (435) · last 7d (2289344 of 2289410): USER 98.9% (2264859) · FILL 0.1% (2970) · AUTO 0.8% (17755) · SOLVE 0.0% (0) · NONE 0.2% (3760). 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
g1f3unsolved10312
g1h3unsolved7172
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
1BManBJ
27.2% of the fleet
1.54T11,379
2auranvesdranor
22.1% of the fleet
1.25T9,596
3JackIV
17.9% of the fleet
1.01T4,609
4tenzink
10.7% of the fleet
605.29B4,195
5Torom
9.6% of the fleet
544.42B3,773
6randomchampgamer
9.1% of the fleet
517.56B4,188
7quasa
1.7% of the fleet
95.04B709
8MoNiKaMaDnEsS
1.6% of the fleet
90.23B662
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 5.67T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.2% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.85T295,196
3auranvesdranor
11.4% of the fleet
24.32T175,250
4BManBJ
11.2% of the fleet
23.93T163,309
5JackIV
4.5% of the fleet
9.60T64,737
6randomchampgamer
3.8% of the fleet
8.05T58,041
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.93T25,039
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 213.98T 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 19 proposals · see every proposal

Milestones