MESON Chess Problem Database

Problem Display
PID: 235678 (QR6/1B3N2/8/8/5R2/6k1/K7/8 w - - 0 1)

Hoffmann, Fritz

Mat, 1979

QR6/1B3N2/8/8/5R2/6k1/K7/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bg2?
      • 1...Kxf4
        • 2.Qf3#
      • 1...Kh2!
    • 1.Qa3+?
      • 1...Kxf4
        • 2.Qf3#
      • 1...Kh2!
  • Keys
    • 1.Bh1!
      • 1...Kh2
        • 2.Qg2#
      • 1...Kh3
        • 2.Qg2#
      • 1...Kxf4
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT,XR(B)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);S_FLIGHT,XR(B)::QAR1(E)
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