No.1760
Shankar Ram
(India)
Original Fairy problems
JF-2023:
01.01.2023 - 31.12.2023
☝ Definitions
+/- Russian translation
| stipulations | 'Mixed HS#N' | задания |
| Mixed HS#n: | A cooperative sequence of “n” plies (half moves), some played by White, some by Black, so that on the last ply, Black is forced to mate. (French: Aide Inverse Libre) |
No. 1760 Shankar Ram
India
original - 30.09.2023
white Kf1 Qh8
black Kf3 Pg4h2
Mixed hs#7 b) Kf3->g3 2+3
Solution: (click to show/hide)
a) {BKf3
(Solution in 7 plies)}
1.Pg4-g3! 2.Kf3-g4 3.Kf1-g2 4.Kg2-h1 5.Qh8-d4+ 6.Kg4-h3 7.Pg3-g2# {
(13 tries in 8 plies)}
1.Qh8-d4? 2.Kf3-g3 3.Kg3-h4 4.Kf1-g2 5.Kg2-h1 6.Kh4-h3 7.Pg4-g3 8.Pg3-g2#
1.Kf3-f4? 2.Kf1-g2 3.Kg2-h1 4.Qh8-d4 5.Kf4-g3 6.Kg3-h3 7.Pg4-g3 8.Pg3-g2#
1.Kf3-f4? 2.Kf1-g2 3.Kg2-h1 4.Kf4-g3 5.Qh8-d4 6.Kg3-h3 7.Pg4-g3 8.Pg3-g2#
1.Kf3-f4? 2.Kf1-g2 3.Kg2-h1 4.Pg4-g3 5.Kf4-g4 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kf3-f4? 2.Kf1-g2 3.Pg4-g3 4.Kg2-h1 5.Kf4-g4 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kf3-f4? 2.Kf1-g2 3.Pg4-g3 4.Kf4-g4 5.Kg2-h1 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kf3-f4? 2.Pg4-g3 3.Kf1-g2 4.Kg2-h1 5.Kf4-g4 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kf3-f4? 2.Pg4-g3 3.Kf1-g2 4.Kf4-g4 5.Kg2-h1 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kf3-f4? 2.Pg4-g3 3.Kf4-g4 4.Kf1-g2 5.Kg2-h1 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kf3-g3? 2.Qh8-d4 3.Kg3-h4 4.Kf1-g2 5.Kg2-h1 6.Kh4-h3 7.Pg4-g3 8.Pg3-g2#
1.Pg4-g3? 2.Kf3-f4 3.Kf1-g2 4.Kg2-h1 5.Kf4-g4 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Pg4-g3? 2.Kf3-f4 3.Kf1-g2 4.Kf4-g4 5.Kg2-h1 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Pg4-g3? 2.Kf3-f4 3.Kf4-g4 4.Kf1-g2 5.Kg2-h1 6.Qh8-d4+ 7.Kg4-h3 8.Pg3-g2#
b) bKf3-->g3 {(b)BKg3
(Solution in 7 plies)}
1.Qh8-d4 2.Kg3-h4 3.Kf1-g2 4.Kg2-h1 5.Kh4-h3 6.Pg4-g3 7.Pg3-g2# {
(9 tries in 8 plies)}
1.Kg3-f3? 2.Pg4-g3 3.Kf3-g4 4.Kf1-g2 5.Kg2-h1 6.Qh8-d4+ 7.Kg4-h3 8.Pg3-g2#
1.Kg3-f4? 2.Kf1-g2 3.Kg2-h1 4.Qh8-d4 5.Kf4-g3 6.Kg3-h3 7.Pg4-g3 8.Pg3-g2#
1.Kg3-f4? 2.Kf1-g2 3.Kg2-h1 4.Kf4-g3 5.Qh8-d4 6.Kg3-h3 Pg4-g3 8.Pg3-g2#
1.Kg3-f4? 2.Kf1-g2 3.Kg2-h1 4.Pg4-g3 5.Kf4-g4 6.Qh8-d4+ 7.Kg4-h3 8.Pg3-g2#
1.Kg3-f4? 2.Kf1-g2 3.Pg4-g3 4.Kg2-h1 5.Kf4-g4 6.Qh8-d4+ 7.Kg4-h3 8.Pg3-g2#
1.Kg3-f4? 2.Kf1-g2 3.Pg4-g3 4.Kf4-g4 5.Kg2-h1 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kg3-f4? 2.Pg4-g3 3.Kf1-g2 4.Kg2-h1 5.Kf4-g4 6.Qh8-d4 7.Kg4-h3 8.Pg3-g2#
1.Kg3-f4? 2.Pg4-g3 3.Kf1-g2 4.Kf4-g4 5.Kg2-h1 6.Qh8-d4+ 7.Kg4-h3 8.Pg3-g2#
1.Kg3-f4? 2.Pg4-g3 3.Kf4-g4 4.Kf1-g2 5.Kg2-h1 6.Qh8-d4+ 7.Kg4-h3 8.Pg3-g2# {
(Between a) and b), Cycle of 1/5/6 moves
In b) selfpin and unpin of BPg4)}
(C- Mixed HS#N not programmed in WinChloe and Popeye.(Author))
Twin should be b)Kf3->g3, not Pf3->g3
See also: http://matplus.net/start.php?px=1696224451&app=forum&act=posts&fid=gen&tid=3056&pid=25008#n25008
Corrected, thanks!