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0.0
EPIN (Extended Piece Identifier Notation) extends PIN to provide style-aware piece representation
in abstract strategy board games. This gem implements the EPIN Specification v1.0.0 with
a modern Ruby interface featuring immutable identifier objects and functional programming
principles. EPIN adds derivation markers to PIN that distinguish pieces by their style
origin, enabling cross-style game scenarios and piece origin tracking. Represents all
four Game Protocol piece attributes with full PIN backward compatibility. Perfect for
game engines, cross-tradition tournaments, and hybrid board game environments.
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