MESON Chess Problem Database

Problem Display
PID: 95598 (2R5/2nk1B2/P1N5/3pP3/N2p4/3K4/8/8 w - - 0 1)

Labrinakos, Petros

The Problemist Supplement, 2008

2R5/2nk1B2/P1N5/3pP3/N2p4/3K4/8/8

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Be8#
    • 1...Kxc8
      • 2.Sb6#
    • 1...Sb5
      • 2.Sb6#
    • 1...Sxa6
      • 2.Sb6#
    • 1...Se6
      • 2.Sb6#
    • 1...Se8
      • 2.Sb6#
  • Tries
    • 1.Bh5?
      • 1...Kxc6
        • 2.Be8#
      • 1...Kxc8
        • 2.Sb6#
      • 1...Sxa6
        • 2.Bg4#
      • 1...Sa8
        • 2.Bg4#
      • 1...Sb5
        • 2.Bg4#
      • 1...Se6
        • 2.Sb6#
      • 1...Se8
        • 2.Bg4#
      • 1...Ke6!
  • Keys
    • 1.Bg6!
      • 1...Kxc6
        • 2.Be8#
      • 1...Ke6
        • 2.Sc5#
      • 1...Kxc8
        • 2.Sb6#
      • 1...Sxa6
        • 2.Bf5#
      • 1...Sa8
        • 2.Bf5#
      • 1...Sb5
        • 2.Bf5#
      • 1...Se6
        • 2.Sb6#
      • 1...Se8
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINS(c),S_FLIGHT,XS(E)::B(F)
    • K(d);S_FLIGHT,XR(G)::S(B)
    • S(c);::S(B)
    • S(c);XP(D)::S(B)
  • Tries
    • Try
      • B(F);
      • Vars
        • K(d);P_SPINS(c),S_FLIGHT,XS(E)::B(F)
        • K(d);S_FLIGHT,XR(G)::S(B)
        • S(c);N_GUARD,XP(D)::B(F)
        • S(c);N_GUARD::B(F)
        • S(c);SBLOCK::S(B)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(d);P_SPINS(c),S_FLIGHT,XS(E)::B(F)
      • K(d);S_FLIGHT::S(B)
      • K(d);S_FLIGHT,XR(G)::S(B)
      • S(c);N_GUARD,XP(D)::B(F)
      • S(c);N_GUARD::B(F)
      • S(c);SBLOCK::S(B)
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