The Keiba II

About
The Keiba II is a horse racing game published by Champion Soft and is one of the four horse racing games released by Champion Soft alongside The Paddock, The Dark Horse and The Keiba.

Gameplay
Like many of these types of games of the era, it's basically just data entry.

The game lets you edit various things for a race and run simulated races. Basically gambling at home, but with just 1 up front cost.