The bongcloud attack!
It involves an attack on the enemy position with one's king. It never fails.
Remembering the bongcloud attack sure helps to cheer me up after a loss or blunder. My wife even knows this. On day not too long ago I was in "not too good of a mood" since I had already lost several games and then proceeded to drop a piece in several other games. My wife mentioned Lenny Bongclouds games and immediately I began to smile.
well kings gambit ...i think that 80% of the games played have ended with win for black! so its not an opening i would reccomend ;)