MESON Chess Problem Database

Problem Display
PID: 234714 (4bR1B/3R1N1k/8/8/7K/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2013

4bR1B/3R1N1k/8/8/7K/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kg5?
      • 1...Bxf7
        • 2.Rdxf7#
      • 1...Bxd7!
    • 1.Sg5+?
      • 1...Kg6
        • 2.Rd6#
        • 2.Rf6#
      • 1...Kh6!
  • Keys
    • 1.Kh5!
      • 1...Bxf7+
        • 2.Rdxf7#
      • 1...Bxd7
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • B(b);OGATE,P_SPINB(b),XS(C)::R(B),XB(b)
      • Refutation
        • B(b);XR(B)
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(A);P-FLIGHT,P_SPINS(C)
    • Vars
      • B(b);CHECK,OGATE,P_SPINB(b),XS(C)::R(B),XB(b)
      • B(b);N_PINS(C),XR(B)::S(C)
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