MESON Chess Problem Database

Problem Display
PID: 86958 (4k3/1R6/4B3/8/3KRN2/8/8/8 w - - 0 1)

Pilipenko, Viktor

Feladvanykedvelok Klubja, 1970

4k3/1R6/4B3/8/3KRN2/8/8/8

#2

5 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Rb8#
      • 1...Kd8
        • 2.Rb8#
      • 1...Kf8!
    • 1.Ba2+?
      • 1...Kf8
        • 2.Sg6#
      • 1...Kd8!
    • 1.Bb3+?
      • 1...Kf8
        • 2.Sg6#
      • 1...Kd8!
    • 1.Bc4+?
      • 1...Kf8
        • 2.Sg6#
      • 1...Kd8!
    • 1.Bd5+?
      • 1...Kf8
        • 2.Sg6#
      • 1...Kd8!
  • Keys
    • 1.Bf7+!
      • 1...Kd8
        • 2.Re8#
      • 1...Kf8
        • 2.Se6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • R(E)
      • Vars
        • K(a);P-FLIGHT::R(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(D);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(D);CHECK
    • Vars
      • K(a);P-FLIGHT::R1(B)
      • K(a);P-FLIGHT::S(C)
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