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Subject: Mate in 18 moves?

Author: Ed Schröder

Date: 08:11:14 01/09/98


Mate in 18 moves?

I am busy to release some new EPD test sets in the Rebel9 subscription
area. One the EPD sets is a 200 positions selection from the Austrian
Modul magazine with lots of funny old stuff.

I then came across the following cool "mate in 18(?)" position:

[Event "?"]
[Site "3/93-51 Matt in wieviel?"]
[Date "1992.01.01"]
[Round "?"]
[White "Kristian Skoeld: Sc"]
[Black ""]
[Result "1-0"]
[WhiteElo "?"]
[BlackElo "?"]
[FEN "1r4r1/3q1npk/2b1pbnp/Rp1p4/1N1P3P/2PQ1pP1/1K3B2/5B1R w - - 0 1"]

1. Qxg6+ Kxg6 2. Bd3+ Kh5 3. g4+ Kxg4 4. Rg1+ Kf4 5. Bg3+ Kg4 6. Be1+
Kh3
7. Bf1+ Kh2 8. Bg3+ Kxg1 9. Ra1 Ra8 10. Rc1 Ra1 11. Kxa1 Qa7+ 12. Kb2
Qa1+
13. Kxa1 Ra8+ 14. Na2 Rxa2+ 15. Kxa2 Bg5 16. hxg5 f2 17. Bh3+ f1=Q 18.
Rxf1# 1-0

I have tried Rebel9 for a few minutes but it didn't find the mate.

The usual killers (quiet moves) here are:
 9.Ra1
10.Rc1
and especially 16.hxg5 f2

Any program?

- Ed -



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