MESON Chess Problem Database

Problem Display
PID: 163813 (8/Kn1p2B1/1Q4Pp/4PN1b/4pk1P/4Np1P/2P2b1P/8 w - - 0 1)

Guida, Marco

StrateGems, 2014

8/Kn1p2B1/1Q4Pp/4PN1b/4pk1P/4Np1P/2P2b1P/8

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.hxg3#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Sd5#
      • 1...Kxe3
        • 2.Bxh6#
      • 1...Bxe3
        • 2.Qf6#
      • 1...d5
        • 2.Sxd5#
        • 2.Se6#
      • 1...Bxh4!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Bxh6#
      • 1...Bxe3+
        • 2.Sd4#
      • 1...Bxh4
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(a);OGATE::P(B),XB(a)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(C)
      • Vars
        • K(d);S_FLIGHT,XS(C)::B(K),XP(f)
        • B(a);SBLOCK,XS(C)::QAR2(H)
      • Refutation
        • B(a);XP(E)
  • Actual
    • Q(H);P_SPINS(C)
    • Threat
      • B(K),XP(f)
    • Vars
      • B(a);CHECK,SBLOCK,XS(C)::QAR(H)+S(G)
      • B(a);N_PINS(C),XP(E)::S(C)
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