The Schnapsen Log

August 26, 2013

Expected Game Points and Role Reversal (double reversal)

Martin Tompa

The least clear case of these double role reversals is the possibility that ♥K is the remaining face-down card in the stock. This is the position Emmi would visualize from your point of view:

Unseen cards:
♠ AQ
♥ KJ
♣ —
♦ AK

Your cards:
♠ K
♥ —
♣ AQ
♦ TQ

Trump: ♥Q
Stock: 1 face-down card
Trick points: Emmi 20, You 31
Lead: ♦T

From your point of view, almost any lead looks as hopeless as ♦T does. The best way for you to avoid losing 2 game points would be to lead a club and hope that ♥J is in the stock.

© 2013 Martin Tompa. All rights reserved.

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About the Author

Martin Tompa (tompa@psellos.com)

I am a Professor of Computer Science & Engineering at the University of Washington, where I teach discrete mathematics, probability and statistics, design and analysis of algorithms, and other related courses. I have always loved playing games. Games are great tools for learning to think logically and are a wonderful component of happy family or social life.