MESON Chess Problem Database

Problem Display
PID: 160634 (3r4/3R1p2/8/4R1B1/8/5K2/8/7k w - - 0 1)

Lincoln, Robert A

British Chess Magazine, 2015

3r4/3R1p2/8/4R1B1/8/5K2/8/7k

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Be3?
      • threat
        • 2.Rh5#
      • 1...Kh2
        • 2.Rh5#
      • 1...f5
        • 2.Rh7#
      • 1...Rh8!
    • 1.Bf4?
      • threat
        • 2.Re1#
      • 1...Kg1
        • 2.Re1#
      • 1...Re8
        • 2.Rd1#
      • 1...Rg8!
  • Keys
    • 1.Kg3!
      • threat
        • 2.Re1#
      • 1...Kg1
        • 2.Re1#
      • 1...Re8
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT::R(B)
        • P(b);OGATE::R(D)
      • Refutation
        • R(c);
    • Try
      • B(C);
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT::R(B)
        • R(c);N_GUARD::R(D)
      • Refutation
        • R(c);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • R(B)
    • Vars
      • K(a);P-FLIGHT::R(B)
      • R(c);N_GUARD::R(D)
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