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Retroanalyse im Schach

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Kurze Beweispartien

von Mark Kirtley

3 - Gianni Donati

Probleemblad 6, 2001

[rn1qk1nr/p1pppp1p/7p/1P2P3/3b4/8/1PPP1PPP/1NBQKBNR]

15+14. Beweispartie in 7.0 Zügen

[rn1qk1nr/p1pppp1p/7p/1P2P3/3b4/8/1PPP1PPP/1NBQKBNR]

Lösung

1. Ba2-a4  Bb7-b5
2. Ba4:b5  Lc8-a6
3. Ta1:a6  Dd8-c8 
4. Ta6-h6  Bg7:h6
5. Be2-e3  Lf8-g7
6. Be3-e4  Lg7-d4 
7. Be4-e5  Dc8-d8

Answers the challenge for a tempo switchback by one unit, and a tempo loss of any sort by another.