MESON Chess Problem Database
Problem Display
PID: 227035 (8/6p1/6Pk/5K1b/4pppN/4p1p1/6P1/2B4R w - - 0 1)
Speckmann, Werner
Schweizerische Schachzeitung, 1985
#2
6 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxg6+
- 2.Sxg6#
- 1...e2
- 2.Bxf4#
- 1...f3
- 2.Bxe3#
- 1...Bxg6+
- Tries
- 1.Bd2?
- 1...Bxg6+
- 2.Sxg6#
- 1...e2
- 2.Bxf4#
- 1...f3
- 2.Bxe3#
- 1...exd2!
- 1...Bxg6+
- 1.Bxe3?
- threat
- 2.Bxf4#
- 1...Bxg6+
- 2.Sxg6#
- 1...fxe3!
- threat
- 1.Rd1?
- 1...e2
- 2.Bxf4#
- 1...f3
- 2.Bxe3#
- 1...Bxg6+!
- 1...e2
- 1.Re1?
- 1...e2
- 2.Bxf4#
- 1...f3
- 2.Bxe3#
- 1...Bxg6+!
- 1...e2
- 1.Rf1?
- 1...e2
- 2.Bxf4#
- 1...f3
- 2.Bxe3#
- 1...Bxg6+!
- 1...e2
- 1.Rg1?
- 1...e2
- 2.Bxf4#
- 1...f3
- 2.Bxe3#
- 1...Bxg6+!
- 1...e2
- 1.Bd2?
- Keys
- 1.Kxf4!
- 1...Bxg6
- 2.Sf5#
- 1...e2
- 2.Kxe4#
- 1...Bxg6
- 1.Kxf4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(f);CHECK,XP(F)::R(B)+S(D),XB(f)
- P(a);OGATE,P_SPINP(d)::B(A),XP(d)
- P(d);OGATEB,P_SPINP(a)::B(A),XP(a)
- Tries
- Try
- B(A);
- Vars
- B(f);CHECK,XP(F)::R(B)+S(D),XB(f)
- P(a);OGATE,P_SPINP(d)::B(A),XP(d)
- P(d);OGATEB,P_SPINP(a)::B(A),XP(a)
- Refutation
- P(a);XB(A)
- Try
- B(A);P_PINP(d),XP(a)
- Threat
- B(A),XP(d)
- Vars
- B(f);CHECK,XP(F)::R(B)+S(D),XB(f)
- Refutation
- P(d);N_SPINP(d),XB(A)
- Try
- R(B);
- Vars
- P(a);OGATE,P_SPINP(d)::B(A),XP(d)
- P(d);OGATEB,P_SPINP(a)::B(A),XP(a)
- Refutation
- B(f);CHECK,XP(F)
- Try
- R(B);
- Vars
- P(a);OGATE,P_SPINP(d)::B(A),XP(d)
- P(d);OGATEB,P_SPINP(a)::B(A),XP(a)
- Refutation
- B(f);CHECK,XP(F)
- Try
- R(B);
- Vars
- P(a);OGATE,P_SPINP(d)::B(A),XP(d)
- P(d);OGATEB,P_SPINP(a)::B(A),XP(a)
- Refutation
- B(f);CHECK,XP(F)
- Try
- R(B);
- Vars
- P(a);OGATE,P_SPINP(d)::B(A),XP(d)
- P(d);OGATEB,P_SPINP(a)::B(A),XP(a)
- Refutation
- B(f);CHECK,XP(F)
- Try
- Actual
- K(E);P-FLIGHT,XP(d)
- Vars
- B(f);SBLOCK,XP(F)::R(B)+S(D),DCHECK
- P(a);::B(A)+K(E),XP(c)
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).