MESON Chess Problem Database

Problem Display
PID: 57491 (Q7/8/2P1P3/3k2P1/N4PK1/8/2P5/8 w - - 0 1)

van Eelde, Antonie Clarus Johannes

Tijdschrift vd NSB, 1895

Q7/8/2P1P3/3k2P1/N4PK1/8/2P5/8

#2

8 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Qd8+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Qd7#
      • 1...Kxe6
        • 2.Qd7#
      • 1...Kc4!
  • Keys
    • 1.Qa7!
      • 1...Kc4
        • 2.Qc5#
      • 1...Ke4
        • 2.Sc3#
      • 1...Kxc6
        • 2.Qd7#
      • 1...Kd6
        • 2.Qd7#
      • 1...Kxe6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(H)
        • K(a);S_FLIGHT,XP(F)::QAB1(H)
        • K(a);S_FLIGHT,XP(G)::QAB1(H)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(a);S_FLIGHT::QAR1(H)
      • K(a);S_FLIGHT::S(B)
      • K(a);S_FLIGHT,XP(F)::QAB1(H)
      • K(a);P-FLIGHT::QAR1(H)
      • K(a);S_FLIGHT,XP(G)::QAB1(H)
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