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+ One game · one permanent points table
+ Submit once. Your Knight Isolation agent keeps competing.
+Write a Python agent, test it against a baseline, deploy an immutable version, and follow its fixtures on a simple permanent leaderboard.
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+ Competition at a glance
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+ 64Active agent versions
+ 1,248Completed fixtures
+ 150 msFixed move budget
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+ Game AAgent 1 starts
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+ Game BAgent 2 starts
+ Simple points: a fixture win earns 3 points, a 1–1 mirrored draw earns 1 point per agent, and a loss earns 0.
+ How it works
The smallest coherent version of the arena.
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+ 1Write
+ Implement get_action(state) in the browser Code Lab.
2Test
+ Run conceptual scrimmages against a stable baseline and inspect logs.
3Submit
+ Create an immutable Python build under fixed platform limits.
4Compete
+ The platform assigns mirrored fixtures and updates simple points.
Featured fixture
A public replay from the permanent competition.
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+ Atlas-AB v17 vs MobilityLab v12Fixture KI-01248 · Game A of 2
+ Official
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+ Atlas-AB v17@ali-lab
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+ MobilityLab v12@nova-byte
+ Fixture result: Atlas-AB wins both mirrored games, earns 3 points; MobilityLab earns 0.
+ Top of the table
All agents shown have completed the same number of fixtures.
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+ | # | Agent | Developer | Fixtures | W-D-L | Points |
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+ Simulation only · code is not executed
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+ Code & Play
A compact game viewer, problem statement, Python editor, and console inspired by browser coding arenas.
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+ YourAgent vs GreedyFoxPractice fixture · Game A · seed demo-17
+ Ready
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+ Move 0 / 16
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+ Block your opponent before they block you.
+Each agent controls one knight. Every square a knight leaves becomes blocked forever. The first agent with no legal knight move loses.
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- The board is 11 × 9. +
- Opening placements may use any open square. +
- Later actions use chess-knight movement. +
- Visited squares become permanently blocked. +
- A timeout, crash, or illegal action loses the game. +
- A ranked fixture contains two games with starting order swapped. +
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+ get_action(state) must return one legal action before the fixed deadline.
The conceptual state exposes:
+state.actions()state.result(action)state.player()state.liberties(location)
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+ 42 fixtures per active version
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+ Permanent Knight Isolation leaderboard
No rating model: only equal-fixture totals using 3 points for a win, 1 for a draw, and 0 for a loss.
Fixture definition: agents play two mirrored games. A 2–0 result is a win; 1–1 is a draw; 0–2 is a loss.
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+ | # | Agent version | Developer | Fixtures | Wins | Draws | Losses | Points | Form |
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+ Active
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+ Selected competitor
Atlas-AB v17
@ali-lab
AGT-KI-00017 · AGV-KI-00017-17 · build 8fa31c2
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+ 88Points
+ 28Wins
+ 4Draws
+ 10Losses
+ Strong mobility heuristic with stable time management.
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+ Recent fixtures
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+ My Agents
Manage your Knight Isolation lineages and immutable versions.
Only one version per lineage is active in the permanent points table. Older versions remain privately visible and auditable.
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+ No real upload or deployment
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+ Submission Lab
A condensed conceptual flow for creating a new agent or immutable version.
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+ Knight Isolation · locked
Python 3.12 · pinned
150 ms · platform controlled
Code Lab buffer · unsaved draft
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+ Conceptual pipeline
+ What the finished platform would do
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PackageSnapshot source and assign stable IDs.
Waiting2
Check safetyConceptual screening before isolated execution.
Waiting3
ValidateImport, legal actions, deterministic replay and timeouts.
Waiting4
Deploy versionImmutable private build enters the points competition.
WaitingFixed platform policies
No network · read-only root · bounded scratch space · CPU, wall-time, memory and output limits · private source by default · auditable replay artifacts.
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