MESON Chess Problem Database

Problem Display
PID: 48968 (8/8/8/5B1q/1p2nQ1R/1p1rP3/pNkB3R/K1n4b w - - 0 1)

Rizzetti, Dante Hugo

Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1978-1979

8/8/8/5B1q/1p2nQ1R/1p1rP3/pNkB3R/K1n4b

#2

8 + 9

5110 Bekroonde Problemen 2002
16325 Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd2
      • 2.Qc7#
    • 1...Rd8
      • 2.Qc7#
    • 1...Sxd2
      • 2.Qc4#
    • 1...Sg3
      • 2.Qc4#
    • 1...Sc5
      • 2.Qc4#
    • 1...Sg5
      • 2.Qc4#
    • 1...Sf6
      • 2.Qc4#
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qxc1#
      • 1...Rxd2
        • 2.Qc4#
      • 1...Sxd2
        • 2.Rc4#
      • 1...Se2
        • 2.Qd1#
      • 1...Qd1
        • 2.Qxd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(f);N_GUARD,P_SPINR(f),P_SPINS(h),XB(C)::QAR(F)
    • R(f);N_GUARD,P_SPINS(h)::QAR(F)
    • S(h);OGATE,P_SPINR(f),P_SPINS(h),XB(C)::QAR2(F)
    • S(h);OGATE,P_SPINR(f)::QAR2(F)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XS(a)
    • Vars
      • R(f);OGATE,P_SPINR(f),P_SPINS(h),XB(C)::QAR2(F)
      • S(h);OGATE,P_SPINR(f),P_SPINS(h),XB(C)::R(G)
      • S(a);S_CUTQ(i)::QAB1(F)
      • Q(i);N_GUARD::QAB1(F),XQ(i)
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