MESON Chess Problem Database

Problem Display
PID: 166350 (k7/8/2K5/8/2B5/4B3/1R6/3n4 w - - 0 1)

Grolman, Lev

Sp. Comm., Cherkasski krai, 1998

k7/8/2K5/8/2B5/4B3/1R6/3n4

#2

4 + 2

145 StrateGems 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Rd2?
      • threat
        • 2.Rd8#
      • 1...Kb8
        • 2.Rd8#
      • 1...Sxe3!
    • 1.Rg2?
      • threat
        • 2.Rg8#
      • 1...Kb8
        • 2.Rg8#
      • 1...Sxe3!
    • 1.Rh2?
      • threat
        • 2.Rh8#
      • 1...Kb8
        • 2.Rh8#
      • 1...Sxe3!
  • Keys
    • 1.Kc7!
      • threat
        • 2.Bd5#
        • 2.Ra2#
        • 2.Rb8#
      • 1...Sxb2
        • 2.Bd5#
      • 1...Sxe3
        • 2.Ra2#
      • 1...Sc3
        • 2.Rb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT::R(A)
      • Refutation
        • S(a);XB(B)
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT::R(A)
      • Refutation
        • S(a);XB(B)
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT::R(A)
      • Refutation
        • S(a);XB(B)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • S(a);XR(A)::B(C)
      • S(a);XB(B)::R(A)
      • S(a);::R1(A)
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