MESON Chess Problem Database
Problem Display
PID: 56685 (b7/1nQ5/4B1P1/1p6/3Pk3/1P1N1pP1/2N2p2/4bK2 w - - 0 1)
Ferber, Eugene
Bulletin de la FFE, 1923
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Bb4
- 2.Sxf2#
- 1...Ba5
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Bd2
- Tries
- 1.Sc1?
- threat
- 2.Qf4#
- 2.Qe5#
- 2.Qc6#
- 1...Bd2
- 2.Qe5#
- 2.Qc6#
- 1...Sa5
- 2.Qf4#
- 2.Qe5#
- 1...Sc5
- 2.Qf4#
- 2.Qe5#
- 1...Sd8
- 2.Qf4#
- 2.Qe5#
- 1...Sd6!
- threat
- 1.Sb2?
- threat
- 2.Qf4#
- 2.Qe5#
- 2.Qc6#
- 1...Bd2
- 2.Qe5#
- 2.Qc6#
- 1...Sa5
- 2.Qf4#
- 2.Qe5#
- 1...Sc5
- 2.Qf4#
- 2.Qe5#
- 1...Sd8
- 2.Qf4#
- 2.Qe5#
- 1...Sd6!
- threat
- 1.Sf4?
- threat
- 2.Qe5#
- 2.Qc6#
- 1...Sa5
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Sd6!
- threat
- 1.Bf5+?
- 1...Kd5
- 2.Sf4#
- 1...Kxf5!
- 1...Kd5
- 1.Qc3?
- 1...Bxc3
- 2.Sxf2#
- 1...Sd6
- 2.Sc5#
- 1...Bd2
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd8
- 2.Sc5#
- 1...b4!
- 1...Bxc3
- 1.Qc4?
- 1...Sd6
- 2.Sc5#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Bb4
- 2.Sxf2#
- 1...Ba5
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd8
- 2.Sc5#
- 1...b4
- 2.d5#
- 1...bxc4!
- 1...Sd6
- 1.Qxb7+?
- 1...Bxb7
- 2.Sc5#
- 1...Kxd3!
- 1...Bxb7
- 1.Qd7?
- threat
- 2.Bf5#
- 1...Sd6
- 2.Sc5#
- 1...Kxd3!
- threat
- 1.Qf7?
- threat
- 2.Bf5#
- 2.Qf5#
- 1...Sd6
- 2.Sc5#
- 1...Kxd3!
- threat
- 1.Qh7?
- threat
- 2.g7#
- 1...Sd6
- 2.Sc5#
- 1...Kxd3!
- threat
- 1.b4?
- 1...Bxb4
- 2.Sxf2#
- 1...Sd6
- 2.Sc5#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd8
- 2.Sc5#
- 1...Kxd3!
- 1...Bxb4
- 1.Sc1?
- Keys
- 1.Qa5!
- 1...Kxd3
- 2.Bf5#
- 1...Bxa5
- 2.Sxf2#
- 1...Sxa5
- 2.Sc5#
- 1...Sd6
- 2.Sc5#
- 1...Bd2
- 2.Sxf2#
- 1...Bc3
- 2.Sxf2#
- 1...Bb4
- 2.Sxf2#
- 1...Sc5
- 2.Sxc5#
- 1...Sd8
- 2.Sc5#
- 1...b4
- 2.Bf5#
- 2.Qf5#
- 1...Kxd3
- 1.Qa5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::S(D),XP(b)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Refutation
- S(f);
- Try
- S(D);
- Threat
- DUALS(3)
- Refutation
- S(f);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(f);::QAR1(I)
- Refutation
- S(f);
- Try
- B(G);CHECK
- Vars
- K(d);S_FLIGHT::S(D)
- Refutation
- K(d);S_FLIGHT,XB(G)
- Try
- Q(I);
- Vars
- B(a);N_GUARD,XQ(I)::S(D),XP(b)
- S(f);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XP(b)
- S(f);N_GUARD::S(D),XS(f)
- Refutation
- P(e);
- Try
- Q(I);
- Vars
- S(f);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XP(b)
- S(f);N_GUARD::S(D),XS(f)
- P(e);N_GUARD::QAR(I)+P(F)
- Refutation
- P(e);XQ(I)
- Try
- Q(I);CHECK,XS(f)
- Vars
- B(g);XQ(I)::S(D)
- Refutation
- K(d);S_FLIGHT,XS(D)
- Try
- Q(I);
- Threat
- B(G)
- Vars
- S(f);N_GUARD::S(D)
- Refutation
- K(d);S_FLIGHT,XS(D)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::S(D)
- Refutation
- K(d);S_FLIGHT,XS(D)
- Try
- Q(I);
- Threat
- QAB(I)+P(H)
- Vars
- S(f);N_GUARD::S(D)
- Refutation
- K(d);S_FLIGHT,XS(D)
- Try
- P(C);
- Vars
- B(a);N_GUARD,XP(C)::S(D),XP(b)
- S(f);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XP(b)
- S(f);N_GUARD::S(D),XS(f)
- Refutation
- K(d);S_FLIGHT,XS(D)
- Try
- Actual
- Q(I);
- Vars
- K(d);S_FLIGHT,XS(D)::B(G)
- B(a);N_GUARD,XQ(I)::S(D),XP(b)
- S(f);N_GUARD,XQ(I)::S(D)
- S(f);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XP(b)
- S(f);N_GUARD::S(D),XS(f)
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).