MESON Chess Problem Database
Problem Display
PID: 774 (8/p6Q/1nnp2B1/pp1N4/2k5/1R1N4/P4B1K/2r4b w - - 0 1)
Musante, Horacio Luis
1st Prize, British Chess Magazine 75 JT, 1955
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Bf7#
- 2.Qg8#
- 2.Qf7#
- 1...Bxd5
- 2.Sb2#
- 1...Sxd5
- 2.Sb2#
- 1...Sd4
- 2.Se3#
- 1...a6
- 2.Sxb6#
- 1...Kxd5
- Tries
- 1.Bf7?
- threat
- 2.Sb2#
- 2.Sxb6#
- 1...Bxd5
- 2.Sb2#
- 1...Sxd5
- 2.Sb2#
- 1...Rb1
- 2.Sxb6#
- 2.Rc3#
- 1...Rc2
- 2.Sxb6#
- 1...Sa4
- 2.Sb6#
- 1...Sd7
- 2.Sb2#
- 2.Sb6#
- 1...Sa8
- 2.Sb2#
- 2.Sb6#
- 1...Sc8
- 2.Sb2#
- 2.Sb6#
- 1...Sd4
- 2.Se3#
- 2.Sxb6#
- 1...b4!
- threat
- 1.Rc3+?
- 1...Kxd5
- 2.Bf7#
- 2.Qg8#
- 2.Qf7#
- 1...Rxc3!
- 1...Kxd5
- 1.Qg8?
- threat
- 2.Sb2#
- 2.Sxb6#
- 1...Bxd5
- 2.Sb2#
- 1...Sxd5
- 2.Sb2#
- 1...Rb1
- 2.Sxb6#
- 2.Rc3#
- 1...Rc2
- 2.Sxb6#
- 1...Sa4
- 2.Sb6#
- 1...Sd7
- 2.Sb2#
- 2.Sb6#
- 1...Sa8
- 2.Sb2#
- 2.Sb6#
- 1...Sc8
- 2.Sb2#
- 2.Sb6#
- 1...Sd4
- 2.Se3#
- 2.Sxb6#
- 1...b4!
- threat
- 1.Qh4+?
- 1...Kxd5
- 2.Bf7#
- 1...Sd4
- 2.Se3#
- 2.Qxd4#
- 1...Be4!
- 1...Kxd5
- 1.Qxa7?
- threat
- 2.Sxb6#
- 1...Kxd5
- 2.Qf7#
- 1...Bxd5
- 2.Sb2#
- 1...Sxd5
- 2.Sb2#
- 1...Sa4
- 2.Se3#
- 1...Sd7
- 2.Se3#
- 1...Sa8
- 2.Se3#
- 1...Sc8
- 2.Se3#
- 1...b4!
- threat
- 1.Qf7?
- threat
- 2.Sb2#
- 2.Sxb6#
- 1...Bxd5
- 2.Sb2#
- 1...Sxd5
- 2.Sb2#
- 1...Rb1
- 2.Sxb6#
- 2.Rc3#
- 1...Rc2
- 2.Sxb6#
- 1...Sa4
- 2.Sb6#
- 1...Sd7
- 2.Sb2#
- 2.Sb6#
- 1...Sa8
- 2.Sb2#
- 2.Sb6#
- 1...Sc8
- 2.Sb2#
- 2.Sb6#
- 1...Sd4
- 2.Se3#
- 2.Sxb6#
- 1...b4!
- threat
- 1.Bf7?
- Keys
- 1.Qb7!
- threat
- 2.Qxc6#
- 1...Kxd5
- 2.Qf7#
- 1...Bxd5
- 2.Sb2#
- 1...Sa4
- 2.Qxb5#
- 1...Sd7
- 2.Qxb5#
- 1...Sb4
- 2.Sb2#
- 1...Sd4
- 2.Se3#
- 1...Se5
- 2.Sb2#
- 1...Se7
- 2.Sb2#
- 1...Sb8
- 2.Sb2#
- 1...Sd8
- 2.Sb2#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- B(b);SBLOCK,XS(F)::S(E)
- S(f);SBLOCK,XS(F)::S(E)
- S(g);SBLOCK::S(F)
- P(i);N_GUARD::S(F),XS(f)
- Tries
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(b);P_SPINB(b),XS(F)::S(E)
- S(f);P_SPINS(f),XS(F)::S(E)
- R(a);P_PINB(B)::B(G)+S(F),DCHECK,XS(f)
- S(f);::B(G)+S(F),DCHECK
- Refutation
- P(e);
- Try
- R(D);CHECK
- Refutation
- R(a);XR(D)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(b);P_SPINB(b),XS(F)::S(E)
- S(f);P_SPINS(f),XS(F)::S(E)
- R(a);P_PINB(B)::QAB(H)+S(F),DCHECK,XS(f)
- S(f);::QAB(H)+S(F),DCHECK
- Refutation
- P(e);
- Try
- Q(H);CHECK
- Vars
- K(c);S_FLIGHT,XS(F)::B(G)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(H);XP(i)
- Threat
- S(F),XS(f)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(F)::QAB(H)
- B(b);SBLOCK,XS(F)::S(E)
- S(f);SBLOCK,XS(F)::S(E)
- S(f);::S(F)
- Refutation
- P(e);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(b);P_SPINB(b),XS(F)::S(E)
- S(f);P_SPINS(f),XS(F)::S(E)
- R(a);P_PINB(B)::QAB(H)+S(F),DCHECK,XS(f)
- S(f);::QAB(H)+S(F),DCHECK
- Refutation
- P(e);
- Try
- Actual
- Q(H);
- Threat
- QAR2(H),XS(g)
- Vars
- K(c);OGATEB,P_SPINS(g),S_FLIGHT,XS(F)::QAB(H)
- B(b);SBLOCK,XS(F)::S(E)
- S(f);OGATE::QAB1(H),XP(e)
- S(g);::S(E)
- S(g);SBLOCK::S(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).