MESON Chess Problem Database

Problem Display
PID: 273835 (8/8/8/8/3B2R1/1Kp1p3/1pB1p2N/1Rbnk3 w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1932

8/8/8/8/3B2R1/1Kp1p3/1pB1p2N/1Rbnk3

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Sf3#
    • 1...Sf2
      • 2.Bxc3#
  • Tries
    • 1.Be5?
      • 1...Kd2
        • 2.Sf3#
      • 1...Bd2
        • 2.Bg3#
      • 1...Sf2
        • 2.Bxc3#
      • 1...Kf2!
    • 1.Rg1+?
      • 1...Kd2
        • 2.Sf3#
      • 1...Kf2!
    • 1.Rg2?
      • 1...Kd2
        • 2.Sf3#
      • 1...Sf2
        • 2.Bxc3#
      • 1...Bd2!
    • 1.Rf4?
      • 1...Kd2
        • 2.Sf3#
      • 1...Sf2
        • 2.Bxc3#
      • 1...Bd2!
  • Keys
    • 1.Bf6!
      • 1...Kd2
        • 2.Sf3#
      • 1...Kf2
        • 2.Bh4#
      • 1...Bd2
        • 2.Bh4#
      • 1...Sf2
        • 2.Bxc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);N_GUARD,S_FLIGHT::S(C)
    • S(b);N_GUARD,P_SPINB(a),SBLOCK::B(E),XP(f)
  • Tries
    • Try
      • B(E);
      • Vars
        • K(c);N_GUARD,S_FLIGHT::S(C)
        • B(a);P_SPINS(b),SBLOCK::B(E)
        • S(b);N_GUARD,P_SPINB(a),SBLOCK::B(E),XP(f)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(c);N_GUARD,S_FLIGHT::S(C)
      • Refutation
        • K(c);P_SPINP(g),S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(c);N_GUARD,P_SPINP(e),S_FLIGHT::S(C)
        • S(b);N_GUARD,P_SPINB(a)::B(E),XP(f)
      • Refutation
        • B(a);P_SPINS(b)
    • Try
      • R(F);
      • Vars
        • K(c);N_GUARD,S_FLIGHT::S(C)
        • S(b);N_GUARD,P_SPINB(a)::B(E),XP(f)
      • Refutation
        • B(a);P_SPINS(b)
  • Actual
    • B(E);
    • Vars
      • K(c);N_GUARD,S_FLIGHT::S(C)
      • K(c);N_GUARD,S_CUTS(b),S_FLIGHT::B(E)
      • B(a);P_SPINS(b),SBLOCK::B(E)
      • S(b);N_GUARD,P_SPINB(a),SBLOCK::B(E),XP(f)
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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).