MESON Chess Problem Database
Problem Display
PID: 157664 (4B3/5p2/R5P1/4b1Nk/8/7K/8/2B3R1 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 1970
#2
7 + 3
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...f5
- 2.g7#
- 1...f5
- Tries
- 1.Se4?
- 1...fxg6
- 2.Bxg6#
- 1...Ba1
- 2.Sg3#
- 1...Bb2
- 2.Sg3#
- 1...Bh2
- 2.Sf6#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sxg3#
- 1...Bd4
- 2.Sg3#
- 1...Bd6
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Bc7
- 2.Sf6#
- 1...Bg7
- 2.Sg3#
- 1...Bb8
- 2.Sf6#
- 1...Bh8
- 2.Sg3#
- 1...f5
- 2.g7#
- 1...f6
- 2.g7#
- 1...Bf4!
- 1...fxg6
- 1.Se4?
- Keys
- 1.gxf7!
- threat
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bd6
- 2.f8Q#
- 2.f8B#
- 1...Bf6
- 2.f8Q#
- 2.f8B#
- 1...Ba1
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bb2
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bh2
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bc3
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bg3
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bd4
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bf4
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bc7
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bg7
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bb8
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- 1...Bh8
- 2.f8Q#
- 2.f8S#
- 2.f8B#
- 2.f8R#
- threat
- 1.gxf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- P(c);::B(G)+P(F)
- Tries
- Try
- S(D);
- Vars
- P(c);OGATE,P_SPINP(c),XP(F)::B(G),XP(c)
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XB(a)
- P(c);::B(G)+P(F)
- Refutation
- B(a);
- Try
- Actual
- P(F);XP(c)
- Threat
- DUALS(4)
- Vars
- B(a);::P=Q
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).