Konami's Boxing
Platform: MSX
Region: Japan
Media: Cartridge
Controller: Keyboard, Joystick
Genre: Sports > Boxing 
Gametype: Undefined
Release Year: 1985
Developer: Konami
Publisher: Konami
Players: 1 or 2
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A boxing game with a couple of moves, with the standard jabs complimented by body punches and the ability to dodge, duck or raise your guard. Each punch weakens your opponent's strength, although going long enough without being hit can see this begin to recover. A rain of blows can produce a quick knockout, but in general you must hit him many times, and then with a knockout blow, to see him go down. There is a referee. The game has a two player option. 

http://www.mobygames.com/game/msx/konamis-boxing