MESON Chess Problem Database

Problem Display
PID: 10510 (8/8/1K2k3/1Q1N4/6R1/7B/8/8 w - - 0 1)

Hartong, Jan

Kerstkaart, 1965

8/8/1K2k3/1Q1N4/6R1/7B/8/8

#2

5 + 1

5227 Schaak..., maar raak! 1969
2012 Miniature Chess Problems from Many Countries 1981
4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Re4+?
      • 1...Kd6
        • 2.Re6#
        • 2.Qc6#
        • 2.Qd7#
        • 2.Qc5#
      • 1...Kf7!
    • 1.Rg5+?
      • 1...Kd6
        • 2.Qc6#
        • 2.Qd7#
        • 2.Qb4#
        • 2.Qc5#
      • 1...Kf7!
  • Keys
    • 1.Qb4!
      • 1...Kxd5
        • 2.Rg5#
      • 1...Ke5
        • 2.Rg5#
      • 1...Kf5
        • 2.Qe4#
      • 1...Kd7
        • 2.Rg8#
      • 1...Kf7
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT,XS(D)::R(B)
      • K(a);P-FLIGHT::R(B)
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);S_FLIGHT::B(A)+R(B)
      • K(a);S_FLIGHT::QAR1(C)
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