MESON Chess Problem Database

Problem Display
PID: 241886 (8/8/4p3/4R3/8/N2k4/1K6/QN6 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1932

8/8/4p3/4R3/8/N2k4/1K6/QN6

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Kc2#
  • Tries
    • 1.Sd2?
      • 1...Kd4
        • 2.Kc2#
      • 1...Kxd2!
    • 1.Sc3?
      • threat
        • 2.Qd1#
      • 1...Kd2
        • 2.Qd1#
      • 1...Kd4!
  • Keys
    • 1.Sc2!
      • 1...Kc4
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAB(A)+K(C)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT::QAB(A)+K(C)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
    • Try
      • S(B);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAB(A)
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