MESON Chess Problem Database

Problem Display
PID: 241798 (8/8/8/3p4/3R4/8/5kPP/3K3Q w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1929

8/8/8/3p4/3R4/8/5kPP/3K3Q

#2

5 + 2

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qg1#
  • Tries
    • 1.Qf1+?
      • 1...Ke3
        • 2.Qg1#
        • 2.Qf4#
      • 1...Kxf1!
    • 1.h3?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kg3!
    • 1.h4?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kg3!
  • Keys
    • 1.Rd3!
      • 1...d4
        • 2.Rf3#

This anticipates 242067(1936)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAB(B)
  • Tries
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(E);
    • Vars
      • P(b);::R1(E)
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