AtomicDB

Sign in Register
83.8M
positions
16.0M
practically solved
308.22T
engine nodes
2.3M
analyses
21
in queue
2
active workers
14
active cores
0
nodes / sec
3.2
positions / min
85
proof number
4,538
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 109,760 closures, 1.95T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 217 open obligations, of which 41 (18.9%) 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 3.8m (median of 12) · measured at 2026-10-14 20:00 UTC
Closures by source, last 24h (109760 of 109760 labelled): USER 99.6% (109356) · FILL 0.2% (240) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (164) · last 7d (1102640 of 1102640): USER 97.0% (1069352) · FILL 0.3% (3309) · AUTO 2.7% (29472) · SOLVE 0.0% (0) · NONE 0.0% (507). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

Up next

Play to explore drag a piece or click two squares

Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved11342
g1h3unsolved7032
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3952
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
35.2% of the fleet
687.74B2,943
2BManBJ
23.4% of the fleet
456.98B2,518
3MoNiKaMaDnEsS
21.3% of the fleet
415.09B2,360
4RickEdinson
20.1% of the fleet
392.55B2,033

4 accounts · 1.95T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.3% of the fleet
90.30T751,082
2BManBJ
16.2% of the fleet
49.94T344,541
3tenzink
13.9% of the fleet
42.83T349,427
4auranvesdranor
10.2% of the fleet
31.40T228,002
5randomchampgamer
6.2% of the fleet
19.24T135,551
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.3% of the fleet
13.23T86,536
8JackIV
3.3% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.5% of the fleet
7.71T51,450
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 308.24T 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