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"Forced" Forced Mates

Posers and Puzzles

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Originally posted by David113
http://www.xs4all.nl/~timkr/chess2/diary_14.htm
Item 267

http://www.xs4all.nl/~timkr/chess2/diary_7.htm
Item 130
Thanks for the link. The #6 remains my favorite of the problems. It's economical and elegant, while the Elkies problems are brutal and heavy-handed (a necessary price to pay if one wants to extend the length.)

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I was just trying a bit to create a forced mate with as many moves as possible. Somehow I ended up with something different. But it's kinda funny, so I thought I should post it.

a) Diagramm. White to move and mate in 14
b) White Pawn on c2 instead of c3. White to move and mate in 16.

1 edit
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Originally posted by crazyblue
I was just trying a bit to create a forced mate with as many moves as possible. Somehow I ended up with something different. But it's kinda funny, so I thought I should post it.

a) Diagramm. White to move and mate in 14
b) White Pawn on c2 instead of c3. White to move and mate in 16.

[fen]8/1pBp1p2/1P1P4/5P2/2P5/2P1p1p1/pp1pP1P1/qk1K1B2 w - - 0 1[/fen]
I think I've got a):

1. c5 f6 2. c6 bxc6
2... dxc6 3. d7 c5 4. d8=Q c4 5. Be5 fxe5 6. Qe8 e4 7.
Qxe4#
3. b7 c5 4. b8=N c4 5. Nc6 dxc6 6. d7 c5 7. Be5 fxe5 8. d8=Q e4 9. Qd3+
cxd3
9... exd3 10. exd3 e2+ 11. Bxe2 cxd3 12. Bxd3#
10. exd3 e2+
10... c4
11. dxc4 e2+ 12. Bxe2 e3 13. Bd3#
11. Bxe2 e3 12. f6 c4 13. f7 cxd3 14. Bxd3#

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Yep, looks good 🙂
Now try the other. It works in 16.

1 edit
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Originally posted by crazyblue
I was just trying a bit to create a forced mate with as many moves as possible. Somehow I ended up with something different. But it's kinda funny, so I thought I should post it.

a) Diagramm. White to move and mate in 14
b) White Pawn on c2 instead of c3. White to move and mate in 16.

[fen]8/1pBp1p2/1P1P4/5P2/2P5/2P1p1p1/pp1pP1P1/qk1K1B2 w - - 0 1[/fen]
Edit (stupid answer that needed removed....)

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Originally posted by crazyblue
Yep, looks good 🙂
Now try the other. It works in 16.
b) is tough. Haven't found any promising ideas yet.