MESON Chess Problem Database
Problem Display
PID: 121439 (8/4B3/R3PR2/K3k3/2P1n3/2P3P1/8/1B6 w - - 0 1)
Ferber, Eugene
Deutsche Schachzeitung, 1907
#2
9 + 2
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Rf5#
- 1...Sf2
- 2.Rf5#
- 1...Sc5
- 2.Rf5#
- 1...Sg5
- 2.Rf5#
- 1...Sd2
- Tries
- 1.Bc5?
- threat
- 2.Bd4#
- 1...Sxc3
- 2.Rf5#
- 1...Sxc5
- 2.Rf5#
- 1...Kxf6!
- threat
- 1.Rf3?
- 1...Sxc3
- 2.Bf6#
- 1...Sxg3
- 2.Bf6#
- 1...Sd2
- 2.Bf6#
- 2.Rf5#
- 1...Sf2
- 2.Bf6#
- 2.Rf5#
- 1...Sc5
- 2.Bf6#
- 2.Rf5#
- 1...Sg5
- 2.Bf6#
- 2.Rf5#
- 1...Sf6
- 2.Bxf6#
- 2.Rf5#
- 1...Sd6!
- 1...Sxc3
- 1.Rh6?
- 1...Sxc3
- 2.Bf6#
- 1...Sxg3
- 2.Bd6#
- 1...Sd2
- 2.Bd6#
- 2.Bf6#
- 2.Rh5#
- 1...Sf2
- 2.Bd6#
- 2.Bf6#
- 2.Rh5#
- 1...Sc5
- 2.Bd6#
- 2.Bf6#
- 2.Rh5#
- 1...Sg5
- 2.Bd6#
- 2.Bf6#
- 1...Sd6
- 2.Bxd6#
- 1...Sf6
- 2.Bxf6#
- 1...Kf5!
- 1...Sxc3
- 1.Bc5?
- Keys
- 1.Rg6!
- 1...Kf5
- 2.Rg5#
- 1...Sxc3
- 2.Bf6#
- 1...Sxg3
- 2.Bd6#
- 1...Sd2
- 2.Bd6#
- 2.Bf6#
- 2.Rg5#
- 1...Sf2
- 2.Bd6#
- 2.Bf6#
- 2.Rg5#
- 1...Sc5
- 2.Bd6#
- 2.Bf6#
- 2.Rg5#
- 1...Sg5
- 2.Bd6#
- 2.Bf6#
- 2.Rxg5#
- 1...Sd6
- 2.Bxd6#
- 1...Sf6
- 2.Bxf6#
- 2.Rg5#
- 1...Kf5
- 1.Rg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- S(a);::R1(H)
- Tries
- Try
- B(I);
- Threat
- B(I)
- Vars
- S(a);XP(B)::R1(H)
- S(a);XB(I)::R1(H)
- Refutation
- K(b);S_FLIGHT,XR(H)
- Try
- R(H);
- Vars
- S(a);N_GUARD,XP(B)::B(I)
- S(a);N_GUARD,XP(C)::B(I)
- Refutation
- S(a);
- Try
- R(H);
- Vars
- S(a);N_GUARD,XP(B)::B(I)
- S(a);N_GUARD,XP(C)::B(I)
- S(a);N_GUARD::B(I),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINS(a)
- Try
- Actual
- R(H);
- Vars
- K(b);P-FLIGHT,P_SPINS(a)::R1(H)
- S(a);N_GUARD,XP(B)::B(I)
- S(a);N_GUARD,XP(C)::B(I)
- S(a);N_GUARD::B(I),XS(a)
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).