AtomicDB

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59.3M
positions
10.0M
practically solved
213.62T
engine nodes
1.7M
analyses
7,841
in queue
13
active workers
89
active cores
43.2M
nodes / sec
27.4
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 555,648 closures, 5.83T 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 3.5m (median of 117) · measured at 2026-09-20 05:00 UTC
Closures by source, last 24h (555562 of 555596 labelled): USER 99.9% (555111) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (451) · last 7d (2277536 of 2277536): USER 98.8% (2249336) · FILL 0.1% (3346) · AUTO 0.9% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3774). 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
g1f3unsolved10912
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
26.5% of the fleet
1.55T11,422
2auranvesdranor
21.4% of the fleet
1.25T9,553
3JackIV
17.3% of the fleet
1.01T4,654
4Torom
11.8% of the fleet
685.65B4,841
5tenzink
10.4% of the fleet
606.21B4,183
6randomchampgamer
8.9% of the fleet
518.68B4,206
7quasa
2.4% of the fleet
138.71B1,020
8MoNiKaMaDnEsS
1.1% of the fleet
66.93B467
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 5.83T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.3% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.82T294,951
3auranvesdranor
11.3% of the fleet
24.23T174,529
4BManBJ
11.2% of the fleet
23.85T162,721
5JackIV
4.5% of the fleet
9.55T64,409
6randomchampgamer
3.8% of the fleet
8.02T57,820
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.91T24,844
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 213.67T 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