MESON Chess Problem Database
Problem Display
PID: 43384 (3RN3/8/8/K3kN2/1B1pn1P1/2PP2P1/B2bn3/2r1R2q w - - 0 1)
Andrade, Barry Jack da Costa
Recomm., BCF 039. Ty., 1941-1942
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Bd6#
- 2.cxd4#
- 1...S2xc3
- 2.Bd6#
- 1...S2xg3
- 2.Bd6#
- 1...Sf4
- 2.Bd6#
- 2.cxd4#
- 1...Sf2
- 2.Bd6#
- 2.cxd4#
- 1...S4xc3
- 2.Bd6#
- 1...S4xg3
- 2.Bd6#
- 1...Sc5
- 2.cxd4#
- 1...Sg5
- 2.Bd6#
- 2.cxd4#
- 1...Sd6
- 2.Bxd6#
- 2.cxd4#
- 1...Sf6
- 2.Bd6#
- 2.cxd4#
- 1...Sg1
- Tries
- 1.Sh4?
- threat
- 2.Sg6#
- 1...Sf4
- 2.Bd6#
- 2.cxd4#
- 1...Qxh4!
- threat
- 1.Se7?
- threat
- 2.Sc6#
- 2.Sg6#
- 1...Rxc3
- 2.Sg6#
- 1...S2xg3
- 2.Sg6#
- 2.Bd6#
- 1...S4xc3
- 2.Sg6#
- 2.Bd6#
- 1...S4xg3
- 2.Sg6#
- 2.Bd6#
- 1...Qh5
- 2.Sc6#
- 1...Qh7
- 2.Sc6#
- 1...Sf4
- 2.Sc6#
- 2.Bd6#
- 2.cxd4#
- 1...Sf2
- 2.Sg6#
- 2.Bd6#
- 2.cxd4#
- 1...Sc5
- 2.Sg6#
- 2.cxd4#
- 1...Sg5
- 2.Sg6#
- 2.Bd6#
- 2.cxd4#
- 1...Sd6
- 2.Sg6#
- 2.Bxd6#
- 1...Sf6
- 2.Sg6#
- 2.Bd6#
- 2.cxd4#
- 1...Qh6!
- threat
- 1.Bf7?
- threat
- 2.Rd5#
- 1...S2xc3
- 2.Bd6#
- 1...S2xg3
- 2.Bd6#
- 1...S4xc3
- 2.Bd6#
- 1...S4xg3
- 2.Bd6#
- 1...Sf4
- 2.Bd6#
- 2.cxd4#
- 1...Sf2
- 2.Bd6#
- 2.cxd4#
- 1...Sc5
- 2.cxd4#
- 1...Sg5
- 2.Bd6#
- 2.cxd4#
- 1...Sd6
- 2.Bxd6#
- 2.cxd4#
- 1...Sf6
- 2.Bd6#
- 2.cxd4#
- 1...Ra1+!
- threat
- 1.Bg8?
- threat
- 2.Rd5#
- 1...S2xc3
- 2.Bd6#
- 1...S2xg3
- 2.Bd6#
- 1...S4xc3
- 2.Bd6#
- 1...S4xg3
- 2.Bd6#
- 1...Sf4
- 2.Bd6#
- 2.cxd4#
- 1...Sf2
- 2.Bd6#
- 2.cxd4#
- 1...Sc5
- 2.cxd4#
- 1...Sg5
- 2.Bd6#
- 2.cxd4#
- 1...Sd6
- 2.Bxd6#
- 2.cxd4#
- 1...Sf6
- 2.Bd6#
- 2.cxd4#
- 1...Ra1+!
- threat
- 1.Sh4?
- Keys
- 1.Sfg7!
- threat
- 2.Rd5#
- 1...S2xc3
- 2.Bd6#
- 1...S2xg3
- 2.Bd6#
- 1...S4xc3
- 2.Bd6#
- 1...S4xg3
- 2.Bd6#
- 1...Sf4
- 2.Bd6#
- 2.cxd4#
- 1...Sf2
- 2.Bd6#
- 2.cxd4#
- 1...Sc5
- 2.cxd4#
- 1...Sg5
- 2.Bd6#
- 2.cxd4#
- 1...Sd6
- 2.Bxd6#
- 1...Sf6
- 2.Bd6#
- 2.cxd4#
- threat
- 1.Sfg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);P_SPINS(f),XP(C)::B(F)
- S(d);P_SPINS(f),XP(E)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(C)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(E)::B(F)
- S(f);P_SPINS(d)::P(C),XP(e)
- Tries
- Try
- S(I);
- Threat
- S(I)
- Refutation
- Q(b);XS(I)
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- R(a);XP(C)::S(I)
- Q(b);::S(I)
- Refutation
- Q(b);
- Try
- B(B);
- Threat
- R1(J)
- Vars
- S(d);P_SPINS(f),XP(C)::B(F)
- S(d);P_SPINS(f),XP(E)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(C)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(E)::B(F)
- S(f);P_SPINS(d)::P(C),XP(e)
- Refutation
- R(a);CHECK
- Try
- B(B);
- Threat
- R1(J)
- Vars
- S(d);P_SPINS(f),XP(C)::B(F)
- S(d);P_SPINS(f),XP(E)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(C)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(E)::B(F)
- S(f);P_SPINS(d)::P(C),XP(e)
- Refutation
- R(a);CHECK
- Try
- Actual
- S(I);
- Threat
- R1(J)
- Vars
- S(d);P_SPINS(f),XP(C)::B(F)
- S(d);P_SPINS(f),XP(E)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(C)::B(F)
- S(f);N_GUARD,P_SPINS(d),XP(E)::B(F)
- S(f);P_SPINS(d)::P(C),XP(e)
- S(f);N_GUARD,P_SPINS(d)::B(F),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).