Playing a friendly game against my son (but with Touch-and-Move in force), I was going to promote a pawn to a queen, so I fished out my queen from among the captured pieces, and placed it on the eighth rank. But before removing my pawn to complete the move, I realised that this would lose me the game.
My question is: Am I required to complete the move, and promote to a queen? The law says that if I touch any piece on the board I must move or capture it. Does this situation count?