Problem: Alice and Bob take turns in playing the following game on a rectangular chocolate board, with Alice playing first.
The player on move chooses a square on the board and takes it, along with all other squares in the north-east quadrant from it. The player who is forced to take the bottom left square loses the game.
Who has a winning strategy?
![Chomp_2.jpg](https://www.nccr-swissmap.ch/application/files/1515/8679/9137/Chomp_2.jpg)