MESON Chess Problem Database

Problem Display
PID: 241802 (2Q5/8/8/N3p3/4k3/2K5/4P1N1/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1929

2Q5/8/8/N3p3/4k3/2K5/4P1N1/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc6#
  • Tries
    • 1.Kb2?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kd5!
    • 1.Kc2?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kd5!
    • 1.Kd2?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kd5!
    • 1.Kb3?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kd5!
    • 1.Kb4?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kd5!
    • 1.Qa6?
      • threat
        • 2.Qd3#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5!
    • 1.Qc7?
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5!
    • 1.Qe8?
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf5!
    • 1.e3?
      • 1...Kd5
        • 2.Qc6#
      • 1...Kf3!
  • Keys
    • 1.Sb7!
      • 1...Kd5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(E)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • P(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
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