FORMAT     WXF

GAME       Mike's Solution (Red mate in 13)
RESULT     1-0
EVENT      Problem by Udo Marks (www.chess-problem.com)
AUTHOR     Qianhong v3.5.0 (www.jcraner.com/qianhong/)

FEN        1P1k4H/4a3P/3a4H/9/9/9/5C3/5p3/9/3p1K1p1 w - - - 1

START{
DIAG{
	 .-(P)---[k]------------(H)
	 |  |  |  | \|/ |  |  |  | 
	 |--+--+--+-[a]-+--+--+-(P)
	 |  |  |  | /|\ |  |  |  | 
	 |--+--+-[a]-+--+--+--+-(H)
	 |  |  |  |  |  |  |  |  | 
	 |--+--+--+--+--+--+--+--| 
	 |  |  |  |  |  |  |  |  | 
	 |-----------------------| 
	 |                       | 
	 |-----------------------| 
	 |  |  |  |  |  |  |  |  | 
	 |--+--+--+--+-(C)-+--+--| 
	 |  |  |  |  |  |  |  |  | 
	 |--+--+--+--+-[p]-+--+--| 
	 |  |  |  | \|/ |  |  |  | 
	 |--+--+--+--+--+--+--+--| 
	 |  |  |  | /|\ |  |  |  | 
	 .-------[p]---(K)---[p]-. 
	
		Red do next move
  }
/* Solution given by Mike, using XieXieMaster, version 2.4.0. */
1.   P8.7   k4.5    2.   H+-3   k5.6    3.   H3-4   a5+6    
4.   H4+6   a6-5    5.   H6-4   a5+6    6.   H4-5   a6-5    
7.   H5-4   k6.5    8.   K4+1   k5.6    9.   H1-3   p8.7    
10.  C4.9   k6.5    11.  K4.5   k5.6    12.  C9+6   a5-4    
13.  P7.6   }END


GAME       Udo's Solution (Red mate in 27)
RESULT     1-0
EVENT      Problem by Udo Marks (www.chess-problem.com)
AUTHOR     Qianhong v3.0.1 (www.jcraner.com/qianhong/)

FEN        1P1k4H/4a3P/3a4H/9/9/9/5C3/5p3/9/3p1K1p1 w - - - 1

START{
DIAG{
	 .-(P)---[k]------------(H)
	 |  |  |  | \|/ |  |  |  | 
	 |--+--+--+-[a]-+--+--+-(P)
	 |  |  |  | /|\ |  |  |  | 
	 |--+--+-[a]-+--+--+--+-(H)
	 |  |  |  |  |  |  |  |  | 
	 |--+--+--+--+--+--+--+--| 
	 |  |  |  |  |  |  |  |  | 
	 |-----------------------| 
	 |                       | 
	 |-----------------------| 
	 |  |  |  |  |  |  |  |  | 
	 |--+--+--+--+-(C)-+--+--| 
	 |  |  |  |  |  |  |  |  | 
	 |--+--+--+--+-[p]-+--+--| 
	 |  |  |  | \|/ |  |  |  | 
	 |--+--+--+--+--+--+--+--| 
	 |  |  |  | /|\ |  |  |  | 
	 .-------[p]---(K)---[p]-. 
	
		Red do next move
  }
/* (6+6) Red to move and mate in 27. */
1.  P8.7   k4.5   2.  H+-3   k5.6   3.  H3-4   a5+6   
4.  H4+6   a6-5   5.  H6-4   a5+6   6.  H4-6   k6.5   
7.  H1+3   k5+1   8.  H6+7   k5.4   9.  H7-5   k4+1   
10. H5-7   k4-1   11. H7+8   k4+1   12. H3-4   k4.5   
13. H4-6   k5-1   14. H6+7   k5+1   15. H7+6   k5.4   
16. H8-7   k4-1   17. H7+5   k4+1   18. H6-4   a6-5   
19. H5-7   k4.5   20. H4-3   k5.6   21. H3-4   k6.5   
22. H4+6   k5.6   23. H6+4   k6.5   24. H4+3   k5.6   
25. H3-2   k6-1   26. H7+5   k6-1   27. H2+4   }END

--------------------------------------------------------------------------------

Problem

Udo Marks
- Germany -

Original



(6+6)
Red to move and mate in 27.

solution:

1. P8=7! k4=5 (1. ... k4+1 2. C4=6 mate) 2. H+-3! (2. H-+3?) k5=6
3. H3-4 a5=6 (3. ... k6=5 4. H1+3 mate) 4. H4+6 a6-5 5. H6-4 a5+6
(5. ... k6=5 6. H1+3 mate) 6. H4-6 k6=5 7. H1+3 k5+1 8. H6+7
k5=4 9. H7-5 k4+1 (9. ... k4=5 10. C4=5 mate) 10. H5-7 k4-1
11. H7+8 k4+1 (11. ... k4=5 12. H8-6 k5=4 13. C4=6 mate)
12. H3-4 k4=5 13. H4-6 k5-1 (13. ... k5=4 14. C4=6 mate) 14. H6+7
k5+1 (14. ... k5-1 15. P7=6 mate) 15. H7+6! k5=4 16. H8-7 k4-1
17. H7+5 k4+1 (17. ... k4=5 18. C4=5 mate) 18. H6-4 a6-5
(18. ... k4=5 19. C4=5 mate) 19. H5-7 k4=5 (19. ... k4-1
20. H4-5 mate) 20. H4-3 k5=6 21. H3-4 k6=5 22. H4+6 k5=6
23. H6+4 k6=5 24. H4+3 k5=6 25. H3-2 k6-1 (25. ... k6=5
26. H2-4 mate) 26. H7+5 k6-1 27. H2+4 mate

15. ... k5-1 16. H8-6 k5-1 (16. ... k5=4 17. C4=6 mate) 17. H-+7
k5+1 18. H6-7 k5=4 19. H--5 k4+1 (19. ... k4=5 20. C4=5 mate)
20. H7-8 k4=5 21. C4=5 mate

14. ... k5=4 15. H7-5 k4+1 (15. ... k4=5 16. C4=5 mate)
16. H8-7 k4=5 17. C4=5 mate

6. ... a6-5 7. H6-4 a5+6 (7. ... k6=5 8. H1+3 mate) 8. H4+5 a6-5
(8. ... k6=5 9. H1+3 k5+1 10. C4=5 mate) 9. H5+3 k6=5 (9. ... k6+1
10. H3-4 a5+6 11. H4+6 a6-5 12. H1-3 k6-1 13. H6+4 mate)
10. H1+3 k5=6 11. H+-5 k6+1 (11. ... k6=5 12. H5+7 mate)
12. H3-4 a5+6 13. H4+6 a6-5 14. H6+4 k6+1 15. H5-4 mate

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