MESON Chess Problem Database

Problem Display
PID: 249064 (1B6/8/8/5B2/8/5R2/5KbP/7k w - - 0 1)

Chernyavsky, Mykola Vasilovich

Kapustin, Fedor Mikhailovich

The Problemist Supplement, 2021

1B6/8/8/5B2/8/5R2/5KbP/7k

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Be4?
      • 1...Bxf3
        • 2.Bxf3#
      • 1...Bh3
        • 2.Rxh3#
      • 1...Bf1!
  • Keys
    • 1.Rg3!
      • 1...Kxh2
        • 2.Rh3#
      • 1...Bf1
        • 2.Rg1#
      • 1...Bf3
        • 2.Rg1#
      • 1...Bh3
        • 2.Rg1#
      • 1...Be4
        • 2.Rg1#
      • 1...Bd5
        • 2.Rg1#
      • 1...Bc6
        • 2.Rg1#
      • 1...Bb7
        • 2.Rg1#
      • 1...Ba8
        • 2.Rg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • B(b);OGATE,P_SPINB(b),XR(C)::B(D),XB(b)
        • B(b);OGATEB::B(D)+R(C),XB(b)
      • Refutation
        • B(b);
  • Actual
    • R(C);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(B)::B(E)+R(C),DCHECK
      • B(b);OGATE::R1(C)
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