Psellos
Contemporary Development With Functional Programming

The Schnapsen Log

August 17, 2012

Tempo

Martin Tompa

You are back at the Café Abeles, at your favorite table, playing cards with your buddy Peter. Outside it’s steaming hot and humid, but in here the ceiling fans and heavy stone walls keep things nice and cool. Cool enough that you’re enjoying your hot coffee while you play.

It’s been a close game so far and you’re in the endgame of a close deal where no one declared a marriage and the stock has just been exhausted.

Peter: (29 points)
A
AKJ
♣ Q

You: (38 points)
J
Q
♣ AKJ

Trump:
Stock: Exhausted
Game points: Peter 3, You 3
On lead: You

You can see Peter’s remaining cards in your mind’s eye; you notice that they mirror your own cards, so are easy to remember. With only 5 cards remaining in each hand, how difficult can it possibly be to come up with a good plan? When you think you have one, you are welcome to read my analysis.

© 2012 Martin Tompa. All rights reserved.


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About the Author

Martin Tompa

Martin Tompa (tompa@psellos.com)

I am a Professor of Computer Science & Engineering at the University of Washington, where I teach discrete mathematics, logic, probability, design and analysis of algorithms, and other related courses. I have always loved playing games. Games are great tools for learning to think logically but, more important, seem to me an integral part of happy family or social life. I will be delighted if game-players, parents, teachers, and students find this series fun and useful.

My excitement about Schnapsen was rekindled by playing against an iPhone program called Master Schnapsen/66 written by two friends at Psellos. Set to play at its “Master” level of difficulty, this program is one of the two most formidable opponents I have found. It comes up with surprising and brilliant plays, and I have learned an enormous amount of Schnapsen strategy by playing with it. Nearly every deal in this Schnapsen Log arose during those hours of playing with Master Schnapsen/66.

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April
Homework on Expected Values, Apr 26
Rags and Riches, Apr 13
March
How Much Do You Trust to Chance?, Mar 27
A Multitude of Options, Mar 12
To the Brave Go the Spoils, Mar 7
February
Where's the Endplay?, Feb 26

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