MESON Chess Problem Database
Problem Display
PID: 108085 (4B3/B7/3n4/2R5/3kp3/P3N3/2P2K2/8 w - - 0 1)
Fraenkel, Febus Hirsch
Bulletin de la FFE, 1928
#2
7 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sxe8
- 2.Sf5#
- 1...Sb5
- Tries
- 1.Ke1?
- 1...Kxe3
- 2.Rf5#
- 1...Sxe8
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sc4!
- 1...Kxe3
- 1.Ke2?
- threat
- 2.c3#
- 1...Sb5
- 2.Sf5#
- 1...Sc4!
- threat
- 1.Bb6?
- 1...Sxe8
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sc4!
- 1...Sxe8
- 1.Ba4?
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Sc4!
- 1...Sb5
- 1.Bb5?
- threat
- 2.c3#
- 1...Sxb5
- 2.Sf5#
- 1...Sc4!
- threat
- 1.Bh5?
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Sc4!
- 1...Sb5
- 1.Bc6?
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Sc4!
- 1...Sb5
- 1.Bg6?
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Sc4!
- 1...Sb5
- 1.Bd7?
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Sc4!
- 1...Sb5
- 1.Bf7?
- 1...Sxf7
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Sc4!
- 1...Sxf7
- 1.a4?
- 1...Sxe8
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 1...Sf7
- 2.Sf5#
- 1...Sc8
- 2.Sf5#
- 1...Sc4!
- 1...Sxe8
- 1.Ke1?
- Keys
- 1.Bb8!
- 1...Kxc5
- 2.Ba7#
- 1...Sxe8
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sb5
- 2.Rc4#
- 1...Sf5
- 2.Rc4#
- 1...Sb7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...Sc8
- 2.Rc4#
- 1...Kxc5
- 1.Bb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(c);N_GUARD,XB(G)::S(D)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(a);S_FLIGHT,XS(D)::B(F)+R(E)
- S(c);N_GUARD,XB(G)::S(D)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- K(B);P-FLIGHT
- Threat
- P(A)
- Vars
- S(c);N_GUARD::S(D)
- Refutation
- S(c);
- Try
- B(F);
- Vars
- S(c);N_GUARD,XB(G)::S(D)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- B(G);
- Vars
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- B(G);
- Threat
- P(A)
- Vars
- S(c);N_GUARD,XB(G)::S(D)
- Refutation
- S(c);
- Try
- B(G);
- Vars
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- B(G);
- Vars
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- B(G);
- Vars
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- B(G);
- Vars
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- B(G);
- Vars
- S(c);N_GUARD,XB(G)::S(D)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- P(C);
- Vars
- S(c);N_GUARD,XB(G)::S(D)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- Refutation
- S(c);
- Try
- Actual
- B(F);
- Vars
- K(a);OGATEB,S_FLIGHT,XR(E)::B(F)
- S(c);N_GUARD,XB(G)::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
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).