MESON Chess Problem Database

Problem Display
PID: 47408 (6B1/5PkP/3K4/6P1/8/8/8/6R1 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Aachener Nachrichten, 1970

6B1/5PkP/3K4/6P1/8/8/8/6R1

#2

6 + 1

4883 Still More Fun with Chess Miniatures 2002
136 Problem Observer 2014

SOLUTION

  • SOUND
  • Tries
    • 1.f8Q+?
      • 1...Kg6
        • 2.Qf7#
      • 1...Kh8
        • 2.Qf6#
      • 1...Kxf8!
    • 1.h8Q+?
      • 1...Kg6
        • 2.Qh7#
      • 1...Kf8
        • 2.Qh6#
      • 1...Kxh8!
  • Keys
    • 1.g6!
      • 1...Kf6
        • 2.f8Q#
      • 1...Kh6
        • 2.h8Q#
      • 1...Kf8
        • 2.g7#
      • 1...Kh8
        • 2.g7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
        • K(a);S_FLIGHT::QAB(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
    • Try
      • P(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAB(E)
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
  • Actual
    • P(B);
    • Vars
      • K(a);S_FLIGHT::P=Q
      • K(a);OGATE,S_FLIGHT::P(B)
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