MESON Chess Problem Database

Problem Display
PID: 18079 (5B2/Q1N5/R1p5/P2bp3/k3q2R/P4P2/rpPp4/bK1B4 w - - 0 1)

Cacciari, Europe

Il Due Mosse, 1953

5B2/Q1N5/R1p5/P2bp3/k3q2R/P4P2/rpPp4/bK1B4

#2

11 + 9

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.c3#
    • 1...Qd4
      • 2.c4#
    • 1...Qf4
      • 2.c4#
    • 1...Qg4
      • 2.c4#
    • 1...Qxh4
      • 2.c4#
  • Tries
    • 1.Rxe4+?
      • 1...Bc4
        • 2.Rxc4#
        • 2.c3#
      • 1...Bxe4!
  • Keys
    • 1.Qc5!
      • 1...Qxh4
        • 2.c4#
      • 1...Rxa3
        • 2.Qxa3#
      • 1...Qb4
        • 2.Qxb4#
      • 1...Bc4
        • 2.Qb4#
      • 1...Qc4
        • 2.c3#
      • 1...Qd4
        • 2.c4#
      • 1...Qf4
        • 2.c4#
      • 1...Qg4
        • 2.c4#
      • 1...Bb3
        • 2.Qxc6#
      • 1...Be6
        • 2.Qxc6#
      • 1...Bf7
        • 2.Qxc6#
      • 1...Bg8
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • Q(f);N_PINP(C)::B(B)+P(C)
    • Q(f);N_PINP(C),N_SPINQ(f),SBLOCK,XR(F)::B(B)+P(C)
  • Tries
    • Try
      • R(F);CHECK,N_SPINP(C),XQ(f)
      • Refutation
        • B(g);P_PINP(C),XR(F)
  • Actual
    • Q(I);
    • Vars
      • Q(f);N_PINP(C),N_SPINQ(f),SBLOCK,XR(F)::B(B)+P(C)
      • R(b);OGATE,XP(D)::QAR1(I),XR(b)
      • Q(f);N_GUARD,N_PINP(C)::QAR1(I),XQ(f)
      • B(g);N_SPINQ(f),S_CUTQ(f)::QAR1(I)
      • Q(f);N_PINP(C)::B(B)+P(C)
      • B(g);N_GUARD::QAB(I),XP(i)
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