MESON Chess Problem Database

Problem Display
PID: 241923 (b1Q5/2n5/2k1P3/2P5/2K5/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1933

b1Q5/2n5/2k1P3/2P5/2K5/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Qd7#
  • Tries
    • 1.Kb4?
      • 1...Bb7
        • 2.Qd7#
      • 1...Kd5!
    • 1.Kd4?
      • 1...Bb7
        • 2.Qd7#
      • 1...Kb5!
  • Keys
    • 1.e7!
      • 1...Bb7
        • 2.e8Q#
        • 2.e8B#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(c);SBLOCK::QAB1(D)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • B(c);SBLOCK::QAB1(D)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • B(c);SBLOCK::QAB1(D)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
  • Actual
    • P(C);
    • Vars
      • B(c);::P=Q
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