MESON Chess Problem Database

Problem Display
PID: 64083 (5k2/8/8/2K1Q2B/8/8/8/8 w - - 0 1)

de Veer JRG

Jeugdproblem, 1914

5k2/8/8/2K1Q2B/8/8/8/8

#2

3 + 1

5227 Schaak..., maar raak! 1969
3713 Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qd4?
      • 1...Ke7
        • 2.Qd6#
      • 1...Kg8!
    • 1.Qb8+?
      • 1...Ke7
        • 2.Qd6#
      • 1...Kg7!
    • 1.Qd5?
      • threat
        • 2.Qf7#
      • 1...Ke7
        • 2.Qd6#
      • 1...Kg7!
  • Keys
    • 1.Qg3!
      • 1...Ke7
        • 2.Qd6#

This anticipates 47253(1968)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
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