MESON Chess Problem Database

Problem Display
PID: 241890 (8/8/3N2p1/6Q1/3k4/8/N3p3/4K3 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1932

8/8/3N2p1/6Q1/3k4/8/N3p3/4K3

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qd2#
  • Tries
    • 1.Sc3?
      • 1...Kd3
        • 2.Qd2#
      • 1...Kxc3!
    • 1.Qc5+?
      • 1...Kd3
        • 2.Sc1#
        • 2.Sb4#
        • 2.Qc3#
      • 1...Kxc5!
    • 1.Qd5+?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kxd5!
    • 1.Qe5+?
      • 1...Kd3
        • 2.Sb4#
        • 2.Qc3#
        • 2.Qe4#
      • 1...Kxe5!
  • Keys
    • 1.Sc1!
      • 1...Kc3
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR1(C)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(b);P-FLIGHT::QAR1(C)
      • Refutation
        • K(b);S_FLIGHT,XS(B)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(C)
      • Refutation
        • K(b);P-FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(C)
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
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