MESON Chess Problem Database

Problem Display
PID: 205193 (8/1Q6/3pp3/8/BB1k4/8/4K3/8 w - - 0 1)

Dietrich, Georg

Badische Neueste Nachrichten, 1978

8/1Q6/3pp3/8/BB1k4/8/4K3/8

#2

4 + 3

15148 Sadier Collection 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qe4#
  • Tries
    • 1.Bc3+?
      • 1...Kc4
        • 2.Qc6#
      • 1...Kc5
        • 2.Qc6#
        • 2.Qb5#
      • 1...Kxc3!
  • Keys
    • 1.Qf3!
      • 1...Kc4
        • 2.Qe4#
      • 1...Ke5
        • 2.Bc3#
      • 1...d5
        • 2.Qf4#
      • 1...e5
        • 2.Qd3#

Anticipated by 158943(1969)

This anticipates 133370(1983)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR2(D)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
  • Actual
    • Q(D);
    • Vars
      • K(a);P-FLIGHT::QAR2(D)
      • K(a);S_FLIGHT::B(C)
      • P(b);SBLOCK::QAR2(D)
      • P(c);SBLOCK::QAR1(D)
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