MESON Chess Problem Database

Problem Display
PID: 195812 (4R3/8/8/8/R5N1/5k2/3bN3/7K w - - 0 1)

Lincoln, Robert A

Comm., Kozhakina-25 JT, 2016

4R3/8/8/8/R5N1/5k2/3bN3/7K

#2

5 + 2

145 StrateGems 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Rf4#
      • 2.Re3#
    • 1...Bc3
      • 2.Rf4#
      • 2.Re3#
    • 1...Be3
      • 2.Rxe3#
    • 1...Bf4
      • 2.Rxf4#
    • 1...Ba5
      • 2.Rf4#
      • 2.Re3#
  • Tries
    • 1.Kh2?
      • threat
        • 2.Sg1#
      • 1...Bf4+
        • 2.Rxf4#
      • 1...Be3
        • 2.Rxe3#
      • 1...Bb4!
  • Keys
    • 1.Kg1!
      • threat
        • 2.Sh2#
      • 1...Be3+
        • 2.Rxe3#
      • 1...Bf4
        • 2.Rxf4#

FEATURES

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