Level 1000 puzzle: obvious pattern move is correct, no surprise.
Level 1400: obvious pattern move is correct, but you have to check a potential threat unless you are guessing.
Level 1800: obvious pattern move is incorrect, need to notice the threat and findnthr better move.
Level 1000 puzzle: obvious pattern move is correct, no surprise.
Level 1400: obvious pattern move is correct, but you have to check a potential threat unless you are guessing.
Level 1800: obvious pattern move is incorrect, need to notice the threat and findnthr better move.