MESON Chess Problem Database

Problem Display
PID: 15541 (8/2K5/4p1Q1/8/1B1N1k2/3P4/8/8 w - - 0 1)

van Gool, Johann Christoffel

2nd Comm., Probleemblad, 1985

8/2K5/4p1Q1/8/1B1N1k2/3P4/8/8

#2

5 + 2

2838 Fun with Chess Miniatures 1996
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Bd2#
  • Tries
    • 1.Be1?
      • threat
        • 2.Qg3#
      • 1...Ke3
        • 2.Qe4#
      • 1...Ke5!
    • 1.Be7?
      • threat
        • 2.Qg5#
      • 1...Ke5
        • 2.Qe4#
      • 1...Ke3!
    • 1.Qg1?
      • 1...e5
        • 2.Bd2#
      • 1...Ke5!
  • Keys
    • 1.Bc3!
      • 1...Ke3
        • 2.Qg3#
      • 1...Ke5
        • 2.Qg5#
      • 1...e5
        • 2.Bd2#

This anticipates 203052(1990)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::B(B)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAB1(D)
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • P(b);SBLOCK::B(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • P(b);SBLOCK::B(B)
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