MESON Chess Problem Database

Problem Display
PID: 241835 (8/8/8/7Q/5k2/3P4/4P2P/4K3 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1930

8/8/8/7Q/5k2/3P4/4P2P/4K3

#2

5 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe5#
  • Tries
    • 1.Qg6?
      • 1...Ke3
        • 2.Qe4#
      • 1...Ke5!
    • 1.Qa5?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kg4!
    • 1.Qb5?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kg4!
    • 1.Qd5?
      • 1...Ke3
        • 2.Qe4#
        • 2.Qe5#
      • 1...Kg4!
    • 1.Qf5+?
      • 1...Ke3
        • 2.Qe4#
        • 2.Qf2#
        • 2.Qe5#
      • 1...Kxf5!
    • 1.h3?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kg3!
    • 1.h4?
      • threat
        • 2.Qg5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kg3!
  • Keys
    • 1.d4!
      • 1...Ke3
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(E)
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
    • Try
      • P(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(C);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAR2(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);S_FLIGHT::QAR2(E)
      • K(a);P-FLIGHT::QAR1(E)
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