MESON Chess Problem Database

Problem Display
PID: 72764 (6B1/6Q1/8/8/4N3/3k4/2N5/4K2R w K - 0 1)

Froberg, Johan Hilding Laurentius

Sp. Comm., Freie Presse, 1993

6B1/6Q1/8/8/4N3/3k4/2N5/4K2R

#2

6 + 1

6113 Problemschach-Jahrbuch (1993) 1994
6114 Problemschach-Jahrbuch (1994) 1995
136 Problem Observer 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Kf2?
      • 1...Kxc2
        • 2.Qc3#
      • 1...Kxe4!
    • 1.Ba2?
      • 1...Kxc2
        • 2.Qc3#
      • 1...Kxe4!
    • 1.Rf1?
      • 1...Kxe4
        • 2.Qd4#
      • 1...Kxc2!
  • Keys
    • 1.0-0!
      • 1...Kxc2
        • 2.Qc3#
      • 1...Ke2
        • 2.Bc4#
      • 1...Kxe4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT,XS(C)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT,XS(C)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
  • Actual
    • K(A);0-0
    • Vars
      • K(a);S_FLIGHT,XS(C)::QAR1(E)
      • K(a);S_FLIGHT::B(F)
      • K(a);S_FLIGHT,XS(D)::QAR1(E)
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