Lisa's Game

This game had been invented by my daughter Lisa. It is a variant of the well-known Nim game. We have several leading zeros, and then integers from 1 to 3. Let x be the first nonzero entry. Then you may

You alternate moves with the computer. Who has to make the last move (changing the remaining non-zeros into zeros) loses.




first possibility: eliminate :
second possibility: eliminate :


New Game

IQ of the computer (from 1 to 6):


Erich Prisner, December 2000