BookofOdds has come out with an article called the Shortest Possible Games of Baseball, Golf, Tennis, Monopoly, etc. For baseball, the shortest possible game is 28 pitches, however, the shortest actual game was in 1944 between the Boston Braves and the Cincinnati Reds, at a total of 58 pitches.
As for chess, the shortest possible game is two moves for each player, but the loser has to 'play along'. For golf, the shortest theoretical is obviously 18 strokes; however, in actuality, the shortest would be 32 strokes.
The article also covers tennis, Trivial Pursuit, Rubik's Cube, darts, and more.
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