MESON Chess Problem Database

Problem Display
PID: 218035 (8/5p2/5K2/7k/7B/8/2Q5/8 w - - 0 1)

Muller, Richard

Deutsche Schachzeitung, 1974

8/5p2/5K2/7k/7B/8/2Q5/8

#2

3 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Bf2?
      • 1...Kg4
        • 2.Qf5#
      • 1...Kh6!
    • 1.Bg3?
      • 1...Kh6
        • 2.Qh2#
      • 1...Kg4!
    • 1.Qh2?
      • 1...Kh6
        • 2.Be1#
        • 2.Bf2#
        • 2.Bg3#
        • 2.Bg5#
      • 1...Kg4!
    • 1.Qc8?
      • 1...Kh6
        • 2.Qh8#
      • 1...Kxh4!
  • Keys
    • 1.Be1!
      • 1...Kg4
        • 2.Qf5#
      • 1...Kh6
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XB(B)
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT::QAR(A)
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