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| (21) Posted by Olaf Jenkner [Sunday, Mar 20, 2022 09:46] |
With a knight at c3 or g3 you have the longest black homebase without any pawn moves (ser-s#11 C+)
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| (22) Posted by Joost de Heer [Sunday, Mar 20, 2022 11:20] |
QUOTE
With a knight at c3 or g3 you have the longest black homebase without any pawn moves (ser-s#11 C+)
Why not Sb1/Sh1 for a ser-s#12?
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| (23) Posted by Olaf Jenkner [Sunday, Mar 20, 2022 11:26] |
Cook 1.Qxc7 2.Qxb7 3.Sf2 4.Sg4 5.Se5 6.Sxd7 7.Sxb8 8.Sc6 9.Sxe7 10.Kc6 11.Sxc8 12.Qd7+ Qxd7#
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| (24) Posted by Miodrag Mladenović [Sunday, Mar 20, 2022 11:33] |
Here is another position without powns in 11 moves:
 (= 3+16 )
ser-s#11 (C+)
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| (25) Posted by Frank Richter [Sunday, Mar 20, 2022 11:43] |
Really an interesting idea, many thanks to James!
Other related challenges, that come in mind:
Longest ser-s= with black Homebase?
Longest ser-h# with black Homebase?
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| (26) Posted by Joost de Heer [Sunday, Mar 20, 2022 11:59] |
QUOTE
Cook 1.Qxc7
Ah yes, overlooked that Sb1/h1 can reach e5 in 3 moves, but Sb3/g3 can't in 2.
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| (27) Posted by Miodrag Mladenović [Sunday, Mar 20, 2022 12:49] |
 (= 3+16 )
ser-s=13 (C+)
Here is the ser-s= starter.
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| (28) Posted by Olaf Jenkner [Sunday, Mar 20, 2022 12:55] |
 (= 4+16 )
ser-h#7 (C+)
Here is the ser-h# starter.
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| (29) Posted by Joost de Heer [Sunday, Mar 20, 2022 12:56] |
-
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| (30) Posted by Olaf Jenkner [Sunday, Mar 20, 2022 13:04] |
Blank
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| (31) Posted by Miodrag Mladenović [Sunday, Mar 20, 2022 13:56] |
 (= 4+16 )
ser-h#8 (C+)
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| (32) Posted by Joost de Heer [Sunday, Mar 20, 2022 15:56] |
Oops, cooked with Kh5.
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| (33) Posted by Miodrag Mladenović [Sunday, Mar 20, 2022 17:28] |
@Joost(32), sorry but I did not understand this cook Kh5? I checked my ser-h#8 with Gustav and it shows C+! Are you referring to some other problem?
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| (34) Posted by Joost de Heer [Sunday, Mar 20, 2022 20:04] |
Yes, was an attempt at ser-h#9 which was horribly cooked.
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| (35) Posted by Miodrag Mladenović [Sunday, Mar 20, 2022 20:42] |
 (= 5+16 )
ser-h#9 (C+)
By adding one dummy WPd4 I managed to achieve 9 moves.
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| (36) Posted by Miodrag Mladenović [Sunday, Mar 20, 2022 20:42] |
Not sure why my post has been published twice. Since I do not have an option to remove post I'll just delete this second diagram.
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| (37) Posted by Arno Tungler [Monday, Mar 21, 2022 08:16] |
 (= 4+16 )
Ser-h#10 c?
Edit: Cooked!
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| (38) Posted by Hauke Reddmann [Monday, Mar 21, 2022 10:11] |
@Frank: ser# now :-)
 (= 2+16 )
ser#10
This is a random test position. 4 solutions were found using 10s
testing time on my trust old Zuse, so this should be manageable...
(Kg5 Pg6 *almost* works, #8 2sol. Maybe more material.)
EDIT:
 (= 3+16 )
ser#4, 2 solutions
(giggling madly)
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| (39) Posted by Arno Tungler [Monday, Mar 21, 2022 10:26] |
Serious again
 (= 2+16 )
Ser-#11 C+
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| (40) Posted by Olaf Jenkner [Monday, Mar 21, 2022 18:15] |
Arno's Ser-h#10:
Intended solution:
1.c5 2.Qa5 3.Kd8 4.Kc7 5.Kb6 6.Kb5 7.Kb4 8.Ka3 9.Ka2 10.Qa3 Sc3#
Cook:
1.a5 2.a4 3.c5 4.Ra6 5.Qa5 6.Kd8 7.Kc7 8.Kb6 9.Kb5 10.c4 b3xc4#
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