MESON Chess Problem Database

Problem Display
PID: 46323 (6Nb/5n2/2P1k1P1/1BK1P2N/2ppP3/p1P1Pp2/4p3/2q5 w - - 0 1)

le Grand, Piet

Probleemblad, 2002

6Nb/5n2/2P1k1P1/1BK1P2N/2ppP3/p1P1Pp2/4p3/2q5

#2

10 + 9

56 The Problemist 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Bxc4#
    • 1...Sxe5
      • 2.Sf4#
  • Tries
    • 1.exd4?
      • threat
        • 2.Bxc4#
      • 1...Qxc3
        • 2.Sf4#
      • 1...Sxe5
        • 2.d5#
      • 1...Sd6!
  • Keys
    • 1.cxd4!
      • threat
        • 2.Sf4#
      • 1...Qxe3
        • 2.Bxc4#
      • 1...Bxe5
        • 2.d5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(i);SBLOCK,XP(F)::B(D),XP(e)
    • S(h);SBLOCK,XP(F)::S(G)
  • Tries
    • Try
      • P(B);XP(f)
      • Threat
        • B(D),XP(e)
      • Vars
        • Q(a);N_GUARD,XP(A)::S(G)
        • S(h);SBLOCK,XP(F)::P(B)
      • Refutation
        • S(h);
  • Actual
    • P(A);XP(f)
    • Threat
      • S(G)
    • Vars
      • Q(a);N_GUARD,P_PINP(A),XP(B)::B(D),XP(e)
      • B(i);SBLOCK,XP(F)::P(A)
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