MESON Chess Problem Database

Problem Display
PID: 211436 (8/3P1Q2/3k4/8/8/K7/8/8 w - - 0 1)

Kardos, Tivadar

Land og Folk, 1969

8/3P1Q2/3k4/8/8/K7/8/8

#2

3 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kc7
        • 2.d8Q#
      • 1...Ke7
        • 2.d8Q#
      • 1...Kxd5!
  • Keys
    • 1.d8Q+!
      • 1...Kc5
        • 2.Qfd5#
      • 1...Ke5
        • 2.Qdd5#
      • 1...Kc6
        • 2.Qfd5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XQ(C)
  • Actual
    • P(B);CHECK
    • Vars
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);OGATE,S_FLIGHT::QAR1(B)
      • K(a);P-FLIGHT::QAB1(C)
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