MESON Chess Problem Database

Problem Display
PID: 241836 (8/8/3N4/Q3p3/3kp3/8/4K2N/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1930

8/8/3N4/Q3p3/3kp3/8/4K2N/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Sf3#
  • Tries
    • 1.Kd1?
      • 1...Kd3
        • 2.Qd2#
      • 1...Ke3
        • 2.Qd2#
      • 1...e3!
    • 1.Ke1?
      • 1...Kd3
        • 2.Qd2#
      • 1...Ke3
        • 2.Qd2#
      • 1...e3!
  • Keys
    • 1.Sg4!
      • 1...e3
        • 2.Qxe5#

FEATURES

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