MESON Chess Problem Database

Problem Display
PID: 10503 (Q7/3P1P1R/4k3/8/6K1/8/1B6/8 w - - 0 1)

Speckmann, Werner

Europe Echecs, 1965

Q7/3P1P1R/4k3/8/6K1/8/1B6/8

#2

6 + 1

3295 Einfuhrung in die Welt des Schachproblem 1984
145 StrateGems 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Be5?
      • 1...Kxd7
        • 2.Qe8#
        • 2.f8S#
      • 1...Ke7
        • 2.Qe8#
        • 2.f8S#
      • 1...Kxe5!
    • 1.Rh6+?
      • 1...Ke7
        • 2.Qe8#
      • 1...Kxf7
        • 2.Qe8#
      • 1...Kxd7!
    • 1.Qe4+?
      • 1...Kxd7
        • 2.f8Q#
      • 1...Kd6!
    • 1.Qd5+?
      • 1...Ke7
        • 2.d8Q#
      • 1...Kxd5!
    • 1.Qc8?
      • threat
        • 2.d8Q#
      • 1...Kd6
        • 2.d8Q#
      • 1...Ke7
        • 2.d8Q#
      • 1...Kd5!
    • 1.d8S+?
      • 1...Kd6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kd7
        • 2.f8Q#
      • 1...Ke7!
  • Keys
    • 1.d8R!
      • 1...Ke7
        • 2.f8S#

This is a version of 230758

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Refutation
        • K(a);P-FLIGHT,XB(A)
    • Try
      • R(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
        • K(a);S_FLIGHT,XP(D)::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT,XP(C)
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT,XP(C)::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT,XQ(F)
    • Try
      • Q(F);
      • Threat
        • P=Q
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(C);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT::P=S
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