Ok, so you take positions from GM games and see what happens if one of them blunders and makes a puzzle. Nice work!
Something that I've noticed which is very instructive is that many blunders occur because the player wasn't aware that their King was vulnerable to a check on the opponent's next move. So, many blunders can be avoided by checking before you make a move that your opponent can't check you on their next turn.
Something that I've noticed which is very instructive is that many blunders occur because the player wasn't aware that their King was vulnerable to a check on the opponent's next move. So, many blunders can be avoided by checking before you make a move that your opponent can't check you on their next turn.