MESON Chess Problem Database

Problem Display
PID: 193480 (8/2N1P3/7B/N7/3k4/K7/8/1B6 w - - 0 1)

Schildberg, Eduard

Deutsches Wochenschach, 1915

8/2N1P3/7B/N7/3k4/K7/8/1B6

#2

6 + 1

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sb5#
  • Tries
    • 1.Bf4?
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5!
    • 1.e8Q?
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Sb5#
        • 2.Qe3#
        • 2.Qe5#
        • 2.Qh8#
      • 1...Kc5!
    • 1.e8R?
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5!
  • Keys
    • 1.e8S!
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5
        • 2.Sc6#

This anticipates 179162(2014)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(E)
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Threat
        • QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(F);
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::B(D)
      • K(a);S_FLIGHT::S(C)
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