MESON Chess Problem Database

Problem Display
PID: 244577 (8/8/8/8/1R6/N7/kP6/bR1K4 w - - 0 1)

Bunka, Vladislav

Szachy, 1977

8/8/8/8/1R6/N7/kP6/bR1K4

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Rxa1#
      • 1...Bxb2
        • 2.R1xb2#
        • 2.R4xb2#
      • 1...Kxb1!
    • 1.Sc4?
      • 1...Bxb2
        • 2.R4xb2#
      • 1...Kxb1!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc3#
      • 1...Kxb1
        • 2.Sc3#
      • 1...Bxb2
        • 2.R4xb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(A),XB(a)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • S(D);
      • Vars
        • B(a);OGATE,XP(C)::R1(E),XB(a)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT,XR(A)::S(D)
      • B(a);OGATE,XP(C)::R1(E),XB(a)
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