AtomicDB

Sign in Register
83.6M
positions
16.0M
practically solved
307.31T
engine nodes
2.3M
analyses
0
in queue
2
active workers
12
active cores
10.0M
nodes / sec
0.9
positions / min
85
proof number
4,551
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 110,910 closures, 3.60T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 216 open obligations, of which 41 (19.0%) 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 3.3h (median of 6) · measured at 2026-10-14 07:00 UTC
Closures by source, last 24h (110910 of 110910 labelled): USER 99.4% (110205) · FILL 0.5% (555) · AUTO 0.0% (16) · SOLVE 0.0% (0) · NONE 0.1% (134) · last 7d (1221423 of 1221423): USER 97.3% (1188377) · FILL 0.3% (3077) · AUTO 2.4% (29472) · SOLVE 0.0% (0) · NONE 0.0% (497). 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
g1f3unsolved10832
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
34.5% of the fleet
1.24T6,339
2Torom
27.5% of the fleet
988.00B6,137
3randomchampgamer
17.2% of the fleet
617.45B2,587
4RickEdinson
11.2% of the fleet
402.54B2,245
5MoNiKaMaDnEsS
9.6% of the fleet
343.11B1,956

5 accounts · 3.59T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.4% 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
6.1% of the fleet
18.85T133,860
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.2% of the fleet
13.02T85,770
8JackIV
3.3% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.4% of the fleet
7.42T49,946
10gannet
2.4% of the fleet
7.24T46,848

and 25 more.

35 accounts · 307.36T 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