MESON Chess Problem Database

Problem Display
PID: 241861 (3nKR2/5p2/5k2/8/3P2Q1/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1931

3nKR2/5p2/5k2/8/3P2Q1/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6
      • 2.Rxf7#
    • 1...Se6
      • 2.Rxf7#
    • 1...Sb7
      • 2.Rxf7#
  • Tries
    • 1.Qg5+?
      • 1...Ke6
        • 2.Qe5#
      • 1...Kxg5!
  • Keys
    • 1.Rh8!
      • threat
        • 2.Rh6#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • S(c);N_GUARD::R1(D),XP(b)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XQ(B)
  • Actual
    • R(D);N_PINP(b)
    • Threat
      • R(D)
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