MESON Chess Problem Database

Problem Display
PID: 47792 (4K3/8/8/Pk6/1B5Q/8/2P5/3B4 w - - 0 1)

van Dijk, Johannes

Schachminiaturen II, 1903

4K3/8/8/Pk6/1B5Q/8/2P5/3B4

#2

6 + 1

4883 Still More Fun with Chess Miniatures 2002
14869 British Championship Solving Ty. 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Bf3?
      • 1...Ka4
        • 2.Bc6#
      • 1...Ka6!
    • 1.Qc4+?
      • 1...Ka4
        • 2.c3#
      • 1...Kxc4!
    • 1.Qd4?
      • 1...Ka6
        • 2.Qb6#
      • 1...Kc6
        • 2.Qd7#
      • 1...Ka4!
  • Keys
    • 1.Qe7!
      • 1...Ka4
        • 2.c4#
      • 1...Kc4
        • 2.Qc5#
      • 1...Ka6
        • 2.Be2#
      • 1...Kc6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)+P(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::B(A)+P(B)
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::QAB1(D)
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