MESON Chess Problem Database

Problem Display
PID: 241951 (5kr1/6pQ/4K3/8/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

5kr1/6pQ/4K3/8/8/8/8/8

#2

2 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke8
      • 2.Qxg8#
    • 1...Rh8
      • 2.Qxh8#
    • 1...g5
      • 2.Qe7#
      • 2.Qf7#
    • 1...g6
      • 2.Qe7#
      • 2.Qf7#
  • Tries
    • 1.Kd7?
      • threat
        • 2.Qf5#
      • 1...Kf7
        • 2.Qf5#
      • 1...g5
        • 2.Qe7#
      • 1...g6
        • 2.Qe7#
      • 1...Rh8!
    • 1.Qh4?
      • threat
        • 2.Qe7#
        • 2.Qd8#
      • 1...Ke8
        • 2.Qe7#
      • 1...Rh8
        • 2.Qd8#
        • 2.Qxh8#
      • 1...g6
        • 2.Qe7#
      • 1...g5!
  • Keys
    • 1.Qg6!
      • 1...Rh8
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR2(B),XR(c)
    • R(c);OGATEB::QAR2(B),XR(c)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAR(B)
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::QAR2(B)
        • P(a);OGATE::QAB1(B)
      • Refutation
        • R(c);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
        • P(a);::QAB1(B)
      • Refutation
        • P(a);
  • Actual
    • Q(B);
    • Vars
      • R(c);::QAR1(B)
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