AtomicDB

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59.5M
positions
10.0M
practically solved
214.36T
engine nodes
1.7M
analyses
5,866
in queue
12
active workers
84
active cores
22.0M
nodes / sec
30.4
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 492,022 closures, 5.55T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 78 over 168 open obligations, of which 28 (16.7%) 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 3.0h (median of 186) · measured at 2026-09-20 08:00 UTC
Closures by source, last 24h (491973 of 491973 labelled): USER 99.9% (491560) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (413) · last 7d (2300184 of 2300233): USER 99.3% (2283237) · FILL 0.1% (2903) · AUTO 0.4% (10303) · SOLVE 0.0% (0) · NONE 0.2% (3741). 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
g1f3unsolved10732
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
27.7% of the fleet
1.54T11,351
2auranvesdranor
22.5% of the fleet
1.25T9,596
3JackIV
18.3% of the fleet
1.01T4,633
4tenzink
10.9% of the fleet
603.59B4,167
5randomchampgamer
9.3% of the fleet
515.83B4,178
6Torom
8.4% of the fleet
464.11B3,174
7MoNiKaMaDnEsS
2.2% of the fleet
120.33B889
8quasa
0.7% of the fleet
37.52B298
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 5.55T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.2% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.90T295,507
3auranvesdranor
11.4% of the fleet
24.44T176,172
4BManBJ
11.2% of the fleet
24.03T164,105
5JackIV
4.5% of the fleet
9.67T65,253
6randomchampgamer
3.8% of the fleet
8.09T58,355
7RickEdinson
2.9% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.96T25,266
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 214.38T 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