MESON Chess Problem Database

Problem Display
PID: 136745 (3K3B/2QP2Np/3pp2k/3pPPp1/8/8/8/8 w - - 0 1)

Degener, Udo

1st Prize, Sachove umeni (Ceskoslovensky sach), 2005-2006

3K3B/2QP2Np/3pp2k/3pPPp1/8/8/8/8

#2

7 + 6

102 Probleemblad 2010
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...g4
      • 2.Qc1#
    • 1...exf5
      • 2.Qxd6#
  • Tries
    • 1.Qb6?
      • 1...dxe5
        • 2.Qxe6#
      • 1...exf5
        • 2.Qxd6#
      • 1...g4
        • 2.Qe3#
      • 1...d4!
    • 1.Qc2?
      • threat
        • 2.Qh2#
      • 1...g4
        • 2.Qc1#
        • 2.Qd2#
      • 1...exf5!
    • 1.Qc3?
      • threat
        • 2.Qh3#
      • 1...g4
        • 2.Qd2#
        • 2.Qc1#
        • 2.Qe3#
      • 1...exf5!
  • Keys
    • 1.Qc6!
      • 1...dxe5
        • 2.Qxe6#
      • 1...exf5
        • 2.Qxd6#
      • 1...g4
        • 2.Qc1#
      • 1...d4
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);OGATEB::QAB(C)
    • P(d);OGATEB,XP(B)::QAR(C),XP(c)
  • Tries
    • Try
      • Q(C);
      • Vars
        • P(c);OGATE,P_SPINP(d),XP(A)::QAR(C),XP(d)
        • P(d);OGATEB,P_SPINP(c),XP(B)::QAR(C),XP(c)
        • P(b);OGATEB::QAB(C)
      • Refutation
        • P(a);
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Refutation
        • P(d);XP(B)
    • Try
      • Q(C);
      • Threat
        • QAR(C)
      • Refutation
        • P(d);XP(B)
  • Actual
    • Q(C);
    • Vars
      • P(c);OGATE,P_SPINP(d),XP(A)::QAR(C),XP(d)
      • P(d);OGATEB,P_SPINP(c),XP(B)::QAR(C),XP(c)
      • P(b);OGATEB::QAB(C)
      • P(a);OGATE::QAR(C)
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