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Subject: Stratira rss

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Ralf Gering
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The rules best suited for tournaments are those of Stratira - a variant proposed by Franz Lützenkirchen (Cologne, Germany) in the early 1980s. There are only a few differences:

1. A match consists of two games. Each player starts once, so that minor strategical advantages or disadvantages are evened out.

2. The goal of the game is to place the pieces in such a way that 4
pieces of your color form a straight line. If you tell the opponent, before he places the next piece and the line is completed, the game is over.

3. The following lines are possible:

A. Perpendicular to the board, on any one of the 16 spaces.
B. On any one of the 4 levels, going lengthwise, across or diagonally (like tic-tac-toe).
C. Three-dimensional stairs, going lengthwise, across or diagonally.

76 lines are possible, for that reason there are 76 ways to win the game and 76 combinations to protect.

(a) If a player forms a straight line, he can choose to ignore it. He won't announce it and the game continues.
(b) If a player completes a straight line on the lowest level, he will get 4 points. If he completes it on the second level. he will get 3 points. On the third level he gets 2 points, on the uppermost level one point.
 
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Ralf Gering
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Tournaments
There were tournaments in Austria (Purkersdorf), Germany (Bergneustadt, Köln (all of them Stratira rules)) and the USA (Poughkeepsie NY).
 
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Ralf Gering
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Former Stratira homepage
The archived Stratira website (Franz Lützenkirchen died on 13th August 2007): https://web.archive.org/web/20050311190649/http://www.stratira.de/
 
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Ralf Gering
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Stratira puzzle
 


A problem from the early 1980s: White to win with as many points as possible. [21 plies]
 
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Ralf Gering
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SOLUTION
Spoiler (click to reveal)
1. b4 b4 2. b4 d4 3. d4 c2
4. c2 c2 5. b2 c2 6. c4 b4
7. b3 c1 8. b1 d2 9. d2 d2
10. d2 (White doesn't announce his row because it is only worth one
point.) a4 11. a4! (two points)
 
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