MESON Chess Problem Database

Problem Display
PID: 241732 (8/8/8/8/3K2p1/4N1P1/4k1p1/6Q1 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/8/8/8/3K2p1/4N1P1/4k1p1/6Q1

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Qd1#
    • 1...Kf3
      • 2.Qxg2#
  • Tries
    • 1.Sd1?
      • 1...Kf3
        • 2.Qf2#
        • 2.Qe3#
      • 1...Kd2!
    • 1.Sc2?
      • 1...Kf3
        • 2.Qe3#
      • 1...Kd2!
    • 1.Sd5?
      • 1...Kf3
        • 2.Qe3#
      • 1...Kd2!
    • 1.Sf5?
      • 1...Kf3
        • 2.Qe3#
      • 1...Kd2!
  • Keys
    • 1.Sc4!
      • 1...Kf3
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAR1(A)
    • K(a);S_FLIGHT::QAB1(A),XP(b)
  • Tries
    • Try
      • S(B);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
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