Naitos Shogi is an MSX title from Apollo Technica; the record carries no release year. It is a computer implementation of shogi, Japanese chess, a genre that formed its own large category of software on Japanese eight-bit machines.

Shogi differs from Western chess mainly in that captured pieces can be dropped back onto the board on the capturing side. That changes both the strategy and the computational demands, because the number of legal moves in a position is far higher and a game never simplifies as material comes off.

This is precisely why board games were a hard programming problem on eight-bit hardware. An MSX offered a fraction of the processing power such a search needs, so the strength of the opponent rested on a cleverly written search with strict depth limits rather than on brute force.

The visual side of such a program is necessarily plain. The board, the characters on the pieces and the tally of captured material all had to stay legible on a television connected to a home computer, which was no small task with Japanese characters at low resolution.

How software like this was sold is worth a note too. Board games for home computers were not aimed at children but at adult players who wanted an opponent when nobody else was around. That was doubly true in Japan, where shogi has a deep base of clubs and newspaper columns, and a computer program was judged by how it fared against an ordinary amateur.

In the OldGame.cz catalogue this MSX title has its platform, its developer credit and whatever imagery is on file.