MESON Chess Problem Database

Problem Display
PID: 235771 (1b2R3/5p2/1BBP4/3K1N2/R7/5k2/6p1/7n w - - 0 1)

Moen, Kabe

The Problemist Supplement, 2020

1b2R3/5p2/1BBP4/3K1N2/R7/5k2/6p1/7n

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd6
      • 2.Kxd6#
    • 1...Sf2
      • 2.Re3#
    • 1...Sg3
      • 2.Sh4#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Kc5#
        • 2.Re3#
      • 1...Bxd6
        • 2.Kxd6#
        • 2.Re3#
      • 1...Sf2
        • 2.Re3#
      • 1...Sg3
        • 2.Sh4#
        • 2.Re3#
      • 1...Ba7!
    • 1.Rh4?
      • threat
        • 2.Kc4#
      • 1...Sf2
        • 2.Re3#
      • 1...Sg3!
  • Keys
    • 1.Re1!
      • threat
        • 2.Ke5#
      • 1...Bxd6
        • 2.Kxd6#
      • 1...Sf2
        • 2.Re3#
      • 1...Sg3
        • 2.Sh4#
      • 1...f6
        • 2.Ke6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(e);XP(F)::B(E)+K(B),XB(e)
    • S(a);SBLOCK::R1(G)
    • S(a);SBLOCK::S(C)
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::R1(G)
      • Refutation
        • B(e);
    • Try
      • R(A);
      • Threat
        • B(E)+K(B)
      • Vars
        • S(a);SBLOCK::R1(G)
      • Refutation
        • S(a);
  • Actual
    • R(G);
    • Threat
      • B(E)+K(B)
    • Vars
      • B(e);XP(F)::B(E)+K(B),XB(e)
      • S(a);SBLOCK::R1(G)
      • S(a);SBLOCK::S(C)
      • P(d);::B(E)+K(B)
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