libosl1v5 binary package in Ubuntu Bionic amd64

 OpenShogiLib (OSL) provides following features of Shogi playing programs,
 especially for Shogi programming study. Shogi is a Japanese two-player board
 game like Chess.
 1. Board: reading/writing records, generating legal moves etc.
 2. Evaluation function: piece values and a lot of features
 3. Hash table: hashing boards etc.
 4. Checkmate search: concurrent df-pn+ etc.
 5. Search framework: full-depth search, realization probability etc.
 6. Move category: mate, illegal moves etc.
 7. Opening book
 8. Gaming: search time control etc.
 .
 OSL works only on Pentium4 or later compatible CPUs due to using the SSE2
 instruction set.

Source package