MESON Chess Problem Database

Problem Display
PID: 231462 (8/7P/8/7B/5K1k/5PR1/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

8/7P/8/7B/5K1k/5PR1/8/8

#2

5 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh5
      • 2.h8Q#
      • 2.h8R#
  • Tries
    • 1.Ke3?
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg3!
    • 1.Ke4?
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg3!
    • 1.Ke5?
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg3!
    • 1.Kf5?
      • 1...Kxh5
        • 2.Rh3#
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg3!
    • 1.Rg1?
      • threat
        • 2.Rh1#
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh3!
    • 1.Rg2?
      • threat
        • 2.Rh2#
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh3!
    • 1.Rg4+?
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh3!
    • 1.Rg7?
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh3!
    • 1.Rg8?
      • 1...Kxh5
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh3!
  • Keys
    • 1.h8S!
      • 1...Kxh5
        • 2.Rh3#

FEATURES

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