MESON Chess Problem Database

Problem Display
PID: 242094 (6B1/4Qp2/6p1/5k2/8/5K2/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

6B1/4Qp2/6p1/5k2/8/5K2/8/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Bh7#
    • 1...f6
      • 2.Qc5#
  • Tries
    • 1.Kg3?
      • 1...g5
        • 2.Bh7#
      • 1...f6!
    • 1.Qd6?
      • 1...g5
        • 2.Bh7#
      • 1...f6
        • 2.Qf4#
        • 2.Qc5#
        • 2.Qd5#
      • 1...Kg5!
    • 1.Qxf7+?
      • 1...Ke5
        • 2.Qf4#
      • 1...Kg5!
  • Keys
    • 1.Bxf7!
      • 1...g5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB::B(C)
    • P(c);SBLOCK::QAR(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);OGATEB::B(C)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Vars
        • P(b);OGATEB,SBLOCK::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);CHECK,XP(c)
      • Vars
        • K(a);OGATE,P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(C);XP(c)
    • Vars
      • P(b);SBLOCK::QAB1(B)
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