MESON Chess Problem Database

Problem Display
PID: 181815 (8/1Q5p/4k2K/2PNP3/8/4R3/4P3/8 w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

Leipziger Tageblatt, 1905

8/1Q5p/4k2K/2PNP3/8/4R3/4P3/8

#2

7 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qc8#
      • 2.Qd7#
  • Tries
    • 1.Kh5?
      • 1...Kf5
        • 2.Qc8#
        • 2.Qd7#
        • 2.Qf7#
      • 1...h6!
    • 1.Qc6+?
      • 1...Kf5
        • 2.Qd7#
        • 2.Qc8#
      • 1...Kf7!
    • 1.Qc8+?
      • 1...Kf7
        • 2.Rf3#
        • 2.e6#
      • 1...Kxd5!
    • 1.Qa7?
      • 1...Kf5
        • 2.Qd7#
      • 1...Kxd5!
    • 1.Qc7?
      • 1...Kf5
        • 2.Qd7#
        • 2.Qc8#
      • 1...Kxd5!
    • 1.Qe7+?
      • 1...Kf5
        • 2.Qd7#
      • 1...Kxd5!
    • 1.Qg7?
      • 1...Kf5
        • 2.Qd7#
      • 1...Kxd5!
    • 1.c6?
      • threat
        • 2.Qd7#
      • 1...Kf5
        • 2.Qc8#
        • 2.Qd7#
      • 1...Kxd5!
  • Keys
    • 1.Qa8!
      • 1...Kf5
        • 2.Qc8#
      • 1...Kd7
        • 2.e6#
      • 1...Kf7
        • 2.e6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Refutation
        • P(b);
    • Try
      • Q(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(G);
      • Vars
        • K(a);S_FLIGHT::QAB(G)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(G);
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(G);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(G)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • Q(G);
      • Vars
        • K(a);S_FLIGHT::QAB(G)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • P(C);
      • Threat
        • QAB1(G)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
  • Actual
    • Q(G);
    • Vars
      • K(a);S_FLIGHT::QAB(G)
      • K(a);OGATE,S_FLIGHT::P(E)
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