MESON Chess Problem Database

Problem Display
PID: 267175 (2RR2BB/8/8/q1n1N2K/1p1P4/1pkN1Q2/2pp4/2b5 w - - 0 1)

Bottacchi, Antonio

Realismo e romanticismo nell'arte problemistica di Antonio B, 2005

2RR2BB/8/8/q1n1N2K/1p1P4/1pkN1Q2/2pp4/2b5

#2

9 + 8

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Rxc5#
    • 1...Qa2
      • 2.Rxc5#
    • 1...Qa3
      • 2.Rxc5#
    • 1...Qa4
      • 2.Rxc5#
    • 1...Qa8
      • 2.Rxc5#
    • 1...Bb2
      • 2.Sc1#
      • 2.Se1#
      • 2.Sf2#
      • 2.Sf4#
      • 2.Sxc5#
    • 1...b2
      • 2.Sxc1#
      • 2.Se1#
      • 2.Sf2#
      • 2.Sf4#
      • 2.Sxc5#
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sxc5#
        • 2.dxc5#
      • 1...Sxd3+
        • 2.d5#
      • 1...Sa4+
        • 2.Sc5#
        • 2.Sde5#
        • 2.d5#
      • 1...Se4+
        • 2.Sc5#
        • 2.Sde5#
      • 1...Sa6+
        • 2.Sc5#
        • 2.Sde5#
        • 2.d5#
      • 1...Se6+
        • 2.Sde5#
      • 1...Sb7+
        • 2.Sc5#
        • 2.Sde5#
        • 2.d5#
      • 1...Sd7+
        • 2.Sc5#
      • 1...Qxd8
        • 2.Sxc5#
      • 1...b2
        • 2.Sxc5#
      • 1...d1Q
        • 2.dxc5#
      • 1...d1S
        • 2.dxc5#
      • 1...d1B
        • 2.dxc5#
      • 1...d1R
        • 2.dxc5#
      • 1...Qb6
        • 2.Sxc5#
      • 1...Qc7
        • 2.Sxc5#
      • 1...Qa6
        • 2.Sxc5#
      • 1...Qa7
        • 2.Sxc5#
      • 1...Qa8
        • 2.dxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 13
    • REMOVED MATES = 4
  • Sets
    • Q(g);N_GUARD::R(F),XS(h)
  • Actual
    • S(D);N_PINS(h)
    • Threat
      • DUALS(2)
    • Vars
      • S(h);CHECK,P_SPINS(h),XS(A)::B(I)+P(C)
      • S(h);CHECK,N_GUARD::QAR(B)+S(A)
      • S(h);CHECK::QAR(B)+S(A)
      • Q(g);XR(G)::QAR(B)+S(A),XS(h)
      • P(d);::QAR(B)+S(A),XS(h)
      • P(c);P_PINQ(B)::B(I)+P(C),XS(h)
      • P(c);::B(I)+P(C),XS(h)
      • Q(g);::QAR(B)+S(A),XS(h)
      • Q(g);::B(I)+P(C),XS(h)
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