fish-rules
The rules engine for Fish, a six-player team card game of asking, deduction and calls, as specified by the Canonical Ruleset v1.1. It is the foundation of the Fish benchmark.
- Deterministic. A game is its seed and its actions: replaying them gives the same states and records on any machine, with a frozen, documented random-number scheme.
- Immutable.
apply(state, action)returns a new state and the records the action produced. - One projection.
fish_rules.view.projectdecides what each seat may see, and is the only way information reaches a player. - Standard library only, typed, and tested to 100% branch coverage.
from fish_rules.engine import apply, legal_actions
from fish_rules.state import new_game
state = new_game(42)
action = legal_actions(state, state.current)[0]
state, records = apply(state, action)
Install with pip install fish-rules (Python 3.14 or later). For a multi-agent environment
built on it, see fish-env; for baseline agents,
fish-agents. Documentation, including the
frozen encodings, is in the repository.
Licensed under Apache-2.0.
1 maintainer
Metadata
1 maintainer
Release files for fish-rules 0.1.0
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