MESON Chess Problem Database

Problem Display
PID: 227754 (8/7p/7K/8/5p1k/8/6QP/8 w - - 0 1)

Kovacs, Norbert

Magyar Sakkvilag, 1926

8/7p/7K/8/5p1k/8/6QP/8

#2

3 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Qg3#
  • Tries
    • 1.Qd5?
      • threat
        • 2.Qh5#
      • 1...Kg4
        • 2.Qh5#
      • 1...Kh3!
    • 1.Qg1?
      • 1...f3
        • 2.Qg3#
      • 1...Kh3!
    • 1.Qg7?
      • 1...f3
        • 2.Qg3#
      • 1...Kh3!
    • 1.Qg8?
      • 1...f3
        • 2.Qg3#
      • 1...Kh3!
  • Keys
    • 1.h3!
      • 1...f3
        • 2.Qg4#

FEATURES

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