AtomicDB

Sign in Register
82.2M
positions
15.7M
practically solved
299.88T
engine nodes
2.3M
analyses
1,195
in queue
14
active workers
68
active cores
6.3M
nodes / sec
38.9
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 94,152 closures, 3.85T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 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 3.7m (median of 14) · measured at 2026-10-12 04:00 UTC
Closures by source, last 24h (94152 of 94152 labelled): USER 81.6% (76806) · FILL 0.6% (600) · AUTO 17.8% (16715) · SOLVE 0.0% (0) · NONE 0.0% (31) · last 7d (1578901 of 1578901): USER 98.0% (1546639) · FILL 0.2% (2696) · AUTO 1.8% (28883) · SOLVE 0.0% (0) · NONE 0.0% (683). 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
g1f3unsolved11162
g1h3unsolved7532
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3892
b1c3unsolved1272
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
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
1Torom
44.2% of the fleet
1.70T14,156
2BManBJ
30.9% of the fleet
1.19T10,322
3randomchampgamer
12.2% of the fleet
470.78B3,553
4RickEdinson
10.2% of the fleet
390.73B3,225
5MoNiKaMaDnEsS
2.4% of the fleet
94.14B1,643

5 accounts · 3.85T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.1% of the fleet
90.30T751,082
2BManBJ
15.7% of the fleet
47.13T328,366
3tenzink
14.3% of the fleet
42.83T349,427
4auranvesdranor
10.5% of the fleet
31.40T228,002
5randomchampgamer
6.1% of the fleet
18.16T130,741
6Torom
4.5% of the fleet
13.37T97,988
7RickEdinson
4.0% of the fleet
12.13T80,371
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.83T46,258

and 25 more.

35 accounts · 300.06T 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 23 proposals · see every proposal

Milestones