AtomicDB

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84.1M
positions
16.1M
practically solved
309.19T
engine nodes
2.3M
analyses
1
in queue
7
active workers
40
active cores
11.4M
nodes / sec
14.2
positions / min
117
proof number
4,505
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 103,932 closures, 1.92T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 216 open obligations, of which 40 (18.5%) 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 39.4m (median of 1) · measured at 2026-10-15 07:00 UTC
Closures by source, last 24h (103924 of 103924 labelled): USER 88.7% (92131) · FILL 1.6% (1686) · AUTO 9.6% (10015) · SOLVE 0.0% (0) · NONE 0.1% (92) · last 7d (898633 of 898641): USER 95.5% (858473) · FILL 0.4% (3387) · AUTO 4.0% (36283) · SOLVE 0.0% (0) · NONE 0.1% (490). 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
g1f3unsolved11392
g1h3unsolved7032
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3862
b1c3unsolved1272
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
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
1randomchampgamer
35.0% of the fleet
671.63B4,195
2BManBJ
26.5% of the fleet
507.55B5,689
3RickEdinson
20.8% of the fleet
399.12B2,700
4MoNiKaMaDnEsS
17.7% of the fleet
340.45B1,762

4 accounts · 1.92T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.2% of the fleet
90.30T751,082
2BManBJ
16.3% of the fleet
50.45T350,230
3tenzink
13.8% of the fleet
42.83T349,427
4auranvesdranor
10.2% of the fleet
31.40T228,002
5randomchampgamer
6.3% of the fleet
19.51T138,051
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.3% of the fleet
13.42T88,469
8JackIV
3.3% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.5% of the fleet
7.76T51,701
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 309.26T 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 23 proposals · see every proposal

Milestones