MESON Chess Problem Database

Problem Display
PID: 241817 (5R1n/5b2/3K1k2/5P2/6Q1/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1929

5R1n/5b2/3K1k2/5P2/6Q1/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sg6
      • 2.Qxg6#
  • Tries
    • 1.Qg1?
      • 1...Sg6
        • 2.Qxg6#
      • 1...Kxf5!
    • 1.Qg2?
      • 1...Sg6
        • 2.Qxg6#
      • 1...Kxf5!
    • 1.Qg3?
      • 1...Sg6
        • 2.Qxg6#
      • 1...Kxf5!
    • 1.Qh4+?
      • 1...Kg7
        • 2.Qxh8#
      • 1...Kxf5!
    • 1.Qg8?
      • 1...Sg6
        • 2.Qxg6#
      • 1...Kxf5!
  • Keys
    • 1.Qh5!
      • 1...Kg7
        • 2.Qxh8#
      • 1...Sg6
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::QAR1(A),XS(c)
  • Tries
    • Try
      • Q(A);
      • Vars
        • S(c);N_GUARD::QAR1(A),XS(c)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(A);
      • Vars
        • S(c);N_GUARD::QAR1(A),XS(c)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(A);
      • Vars
        • S(c);N_GUARD::QAR1(A),XS(c)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::QAB1(A),XS(c)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(A);
      • Vars
        • S(c);N_GUARD::QAR1(A),XS(c)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
  • Actual
    • Q(A);
    • Vars
      • K(a);N_SPINB(b),S_FLIGHT::QAB1(A),XS(c)
      • S(c);N_GUARD::QAR1(A),XS(c)
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