MESON Chess Problem Database

Problem Display
PID: 183109 (7K/3P1k2/3Q4/8/8/8/8/8 w - - 0 1)

Shinkman, William Anthony

Wiener Schachzeitung, 1907

7K/3P1k2/3Q4/8/8/8/8/8

#2

3 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5?
      • 1...Kf8
        • 2.Qf6#
        • 2.Qg7#
        • 2.Qe8#
      • 1...Kg6!
    • 1.Qa6?
      • 1...Kf8
        • 2.Qf6#
      • 1...Ke7!
    • 1.Qb6?
      • 1...Kf8
        • 2.Qf6#
      • 1...Ke7!
    • 1.Qc6?
      • 1...Kf8
        • 2.Qf6#
      • 1...Ke7!
    • 1.Qe6+?
      • 1...Kf8
        • 2.Qf6#
        • 2.Qe8#
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxe6!
  • Keys
    • 1.d8B!
      • 1...Ke8
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
  • Actual
    • P(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
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