MESON Chess Problem Database

Problem Display
PID: 241986 (8/8/8/5K2/5P2/1N2k3/5p2/5Q1N w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

8/8/8/5K2/5P2/1N2k3/5p2/5Q1N

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qxf2#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qe4#
      • 1...Kf3
        • 2.Qe4#
      • 1...Ke2!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qe4#
      • 1...Kf3
        • 2.Qe4#

FEATURES

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