MESON Chess Problem Database

Problem Display
PID: 225333 (8/2P1kP2/1N4P1/4BK2/8/8/8/8 w - - 0 1)

Libis, Zdenek

Sachova skladba, 2005

8/2P1kP2/1N4P1/4BK2/8/8/8/8

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5+?
      • 1...Kf8
        • 2.c8Q#
        • 2.c8R#
      • 1...Kd7!
    • 1.Bf6+?
      • 1...Kf8
        • 2.Sd7#
        • 2.c8Q#
        • 2.c8R#
      • 1...Kd6!
    • 1.c8B?
      • 1...Kd8
        • 2.f8Q#
      • 1...Kf8!
    • 1.f8B+?
      • 1...Ke8
        • 2.c8Q#
        • 2.c8R#
      • 1...Kxf8!
  • Keys
    • 1.c8S+!
      • 1...Kd8
        • 2.f8Q#
        • 2.f8R#
      • 1...Kf8
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT,XB(F)
  • Actual
    • P(E);CHECK
    • Vars
      • K(a);S_FLIGHT::P=Q
      • K(a);S_FLIGHT::S(C)
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