Unlike chess, however...
Don't take 10 minutes to make a move!
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Although I see where you're coming from, I disagree with it. Being a chess player myself(PM me if any of you are as well), I know that it involves analyzation of a fixed position. Dating / Life, however...is NOT a fixed position. It's dynamic and ever-changing. If you sit there and analyze a move(in life) before making a decision, life and the situation that was originally presented will have left you in the dust.
I believe the best idea is to focus on playing the game, not winning the game. Winning will inherently come from playing the game, yet if you focus on winning, you will lose.
I do agree though, that Visualization is paramount to success at ANYTHING in life.