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MatPlus.Net  Forum General Reverse Schiffmann |
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| | | (1) Posted by Hauke Reddmann [Friday, Nov 8, 2024 10:02] | Reverse Schiffmann
Spinoff from da otha thread.
Schiffmann: Black pins himself, so the threat unpins. White keeps the pin.
Reverse Schiffmann (in 3# at least, I guess): Black pins himself,
so the threat stalemates. White thus must unpin first to avoid that.
Surely this has been done?
| | | (2) Posted by Jacques Rotenberg [Saturday, Nov 9, 2024 21:05] |
Does not seem to be bound to the "Schiffmann" at all.
| | | (3) Posted by Neal Turner [Tuesday, Nov 12, 2024 14:44] |
A related idea is the Drese theme.
Black selfpins in anticipation of the unpin, but instead of using the pin as in the Schiffmann, White goes through with the unpin, but not in the way that Black was expecting.
Gerardus H. DRESE
Jaarboek 1935
 (= 9+5 )
#3
1.Bf5! ~ 2.Bc8 ~ 3.Ba6#;
1...S2xe4/S6xe4 2.Bh3!/2.Bd7! (2.Bc8? Sxc5!) ~ 3.Bf1#/Bb5#
2...Sxc3/Sd6 3.Re3#,
2...Sxd2 3.Sc1#;
(1...S6g4/S2g4/etc. 2.exd5+ Se4 3.Bxe4#)
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MatPlus.Net Forum General Reverse Schiffmann |
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