AtomicDB

Sign in Register
83.7M
positions
16.0M
practically solved
307.88T
engine nodes
2.3M
analyses
4
in queue
3
active workers
20
active cores
7.0M
nodes / sec
4.2
positions / min
85
proof number
4,551
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 93,395 closures, 2.15T 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 1.0h (median of 7) · measured at 2026-10-14 15:00 UTC
Closures by source, last 24h (93325 of 93395 labelled): USER 99.6% (92997) · FILL 0.2% (169) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (159) · last 7d (1156057 of 1156057): USER 97.1% (1122839) · FILL 0.3% (3238) · AUTO 2.5% (29472) · SOLVE 0.0% (0) · NONE 0.0% (508). 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
1BManBJ
35.7% of the fleet
769.37B4,009
2randomchampgamer
31.3% of the fleet
674.16B2,657
3RickEdinson
17.4% of the fleet
374.24B2,062
4MoNiKaMaDnEsS
15.6% of the fleet
336.82B1,828

4 accounts · 2.15T 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
19.10T134,832
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.3% of the fleet
13.13T86,180
8JackIV
3.3% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.5% of the fleet
7.62T50,870
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 307.91T 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