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Comment on Mastering the Game of Stratego with Model-Free Multiagent Reinforcement Learningparent

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I agree

5.2 Moving
Flag and Bombs are never moved (For the definition of „move‟: see chapter 6).

Chapter 6 shows the sequences of moves, and then Chapter 7 says:

A move is made when:
a piece is released on another square than the starting one, or
a player touches an opponent‟s piece with one of his own pieces or with the hand in which his own piece is held.

So if the piece was picked up and replaced on the starting square, it was not moved, and that's fine.

On the other hand, these rules incorporate some other rules by reference which includes:

The bombs and the flag may never be moved and therefore remain in the same place throughout the duration of the game

A bomb hasn't exactly remained in the same place if it's been picked up, has it?

In actual live game play, none of the top players use such kids' ploys as touching bombs pretending to be moveable pieces. Actual game play wouldn't change if the one touch move rule from chess or checkers were to be introduced.

The main thing the rules guard against is accidentally tripping over your opponent's or your own pieces. Especially during time trouble, it sometimes happens that you drop a piece. If your opponent reveals < 4 of your pieces, you can exchange all of them with any other of your pieces. With >= 4 "accidents", it's an automatic forfeit. If you tip over your opponent's flag, he is entitled to 3 swaps (may or may not be bombs).

I always wondered if the pieces could be redesigned to have a strong bias towards landing "face down" when bumped; I've definitely accidentally revealed pieces before when making a quick move.

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