AtomicDB

Sign in Register
65.5M
positions
11.7M
practically solved
234.98T
engine nodes
1.8M
analyses
7,345
in queue
12
active workers
80
active cores
37.7M
nodes / sec
20.6
positions / min
125
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 192,965 closures, 3.70T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 82 over 196 open obligations, of which 30 (15.3%) 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 2.4m (median of 113) · measured at 2026-09-28 10:00 UTC
Closures by source, last 24h (192965 of 192965 labelled): USER 99.9% (192798) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (167) · last 7d (1423969 of 1423969): USER 97.0% (1381283) · FILL 0.6% (8795) · AUTO 2.3% (32065) · SOLVE 0.0% (0) · NONE 0.1% (1826). 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
g1f3unsolved10672
g1h3unsolved8012
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved1832
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3013
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
37.7% of the fleet
1.39T10,556
2auranvesdranor
24.9% of the fleet
922.31B6,930
3randomchampgamer
14.9% of the fleet
550.18B4,341
4tenzink
14.1% of the fleet
523.02B3,341
5uipio
6.0% of the fleet
221.72B1,211
6bricerichmond
2.1% of the fleet
77.73B109
7soothdest
0.3% of the fleet
9.77B76
8rhaxier
<0.1% of the fleet
1.66B13
9NeoArcturus
<0.1% of the fleet
142.6M2

9 accounts · 3.70T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.4% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.66T306,947
3BManBJ
11.7% of the fleet
27.45T189,310
4auranvesdranor
11.4% of the fleet
26.81T192,956
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
4.0% of the fleet
9.46T68,903
7RickEdinson
2.8% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 24 more.

34 accounts · 235.06T 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 21 proposals · see every proposal

Milestones