Still, there is strategy involved. You can play it safe and play the Wizard first trick. That almost guarentees everyone will make their bid since it's fairly clear rkoelsch must be bidding on something. But, as Spidey mentioned, the odds are against rkoelsch having a Wizard, so if you're willing to take a small risk of getting set yourself, you can increase your position.
Of course, none of this involved me, so I'm all for you taking such a risk

.
And I think you're right rkoelsch. If train had led anything else, you trump the first trick. If JP plays the Wizard then, he takes both, so he has no choice but to let you make.