MESON Chess Problem Database

Problem Display
PID: 93269 (4B3/5P2/8/4B3/4k1NK/8/2R5/8 w - - 0 1)

Loe Ping, JMM

Arbejder-Skak, 1961

4B3/5P2/8/4B3/4k1NK/8/2R5/8

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Bc6#
  • Tries
    • 1.Bd7?
      • 1...Kd3
        • 2.Bf5#
      • 1...Kf3
        • 2.Bc6#
      • 1...Kd5!
    • 1.Rd2?
      • 1...Kf3
        • 2.Bc6#
      • 1...Kf5!
    • 1.f8Q?
      • 1...Kd3
        • 2.Bg6#
        • 2.Qf5#
      • 1...Kd5!
    • 1.f8R?
      • 1...Kd3
        • 2.Bg6#
      • 1...Kd5!
  • Keys
    • 1.f8S!
      • 1...Kd3
        • 2.Bg6#
      • 1...Kf3
        • 2.Bc6#
      • 1...Kd5
        • 2.Bc6#
      • 1...Kf5
        • 2.Bg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)
  • Tries
    • Try
      • B(F);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT::B(F)
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