AtomicDB

Sign in Register
86.6M
positions
16.5M
practically solved
319.28T
engine nodes
2.4M
analyses
500
in queue
13
active workers
60
active cores
26.4M
nodes / sec
36.2
positions / min
145
proof number
4,661
disproof number
Root conquest: 0/20 first moves solved · 19.0% of tree positions solved · last 24h: 124,213 closures, 5.18T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 207 open obligations, of which 38 (18.4%) 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 56s (median of 171) · measured at 2026-10-18 11:00 UTC
Closures by source, last 24h (124213 of 124213 labelled): USER 96.9% (120370) · FILL 0.5% (572) · AUTO 2.6% (3199) · SOLVE 0.0% (0) · NONE 0.1% (72) · last 7d (716560 of 716560): USER 89.7% (642432) · FILL 1.0% (6851) · AUTO 9.3% (66745) · SOLVE 0.0% (0) · NONE 0.1% (532). 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
g1f3unsolved11032
g1h3unsolved8212
e2e3unsolved5053
d2d4unsolved4002
e2e4unsolved4002
b1c3unsolved1382
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
1Torom
57.7% of the fleet
2.99T19,866
2BManBJ
31.8% of the fleet
1.65T8,943
3RickEdinson
9.2% of the fleet
477.80B2,602
4MoNiKaMaDnEsS
1.2% of the fleet
61.81B458
5soothdest
<0.1% of the fleet
256.7M3

5 accounts · 5.18T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.3% of the fleet
90.30T751,082
2BManBJ
17.2% of the fleet
55.07T387,190
3tenzink
13.4% of the fleet
42.83T349,427
4auranvesdranor
9.8% of the fleet
31.40T228,002
5randomchampgamer
6.2% of the fleet
19.85T140,897
6Torom
5.8% of the fleet
18.68T133,220
7RickEdinson
4.7% of the fleet
14.87T99,429
8JackIV
3.1% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.54T58,659
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 319.44T 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