MESON Chess Problem Database

Problem Display
PID: 157303 (8/7P/7P/5K1k/5PR1/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Funkschach, 1926

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

#2

5 + 1

5454 Near Snap 2016
15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh6
      • 2.h8Q#
      • 2.h8R#
  • Tries
    • 1.Ke4?
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg4!
    • 1.Ke5?
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg4!
    • 1.Ke6?
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg4!
    • 1.Kf6?
      • 1...Kxh6
        • 2.Rh4#
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxg4!
    • 1.Rg1?
      • threat
        • 2.Rh1#
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh4!
    • 1.Rg2?
      • threat
        • 2.Rh2#
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh4!
    • 1.Rg3?
      • threat
        • 2.Rh3#
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh4!
    • 1.Rg5+?
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh4!
    • 1.Rg7?
      • 1...Kxh6
        • 2.h8Q#
      • 1...Kh4!
    • 1.Rg8?
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...Kh4!
  • Keys
    • 1.h8B!
      • 1...Kxh6
        • 2.Rh4#

This anticipates 99808(1980)

FEATURES

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