MESON Chess Problem Database

Problem Display
PID: 239812 (2N5/4K3/7p/1pn1k3/3Rn2R/4r2N/4QB2/1B4bb w - - 0 1)

Cristoffanini, Guido

Problemas, 1974

2N5/4K3/7p/1pn1k3/3Rn2R/4r2N/4QB2/1B4bb

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qh5#
    • 1...Ra3
      • 2.Rh5#
    • 1...Rb3
      • 2.Rh5#
    • 1...Rc3
      • 2.Rh5#
    • 1...Rd3
      • 2.Rh5#
    • 1...Sd2
      • 2.Bg3#
      • 2.Qh5#
    • 1...Sxf2
      • 2.Qh5#
    • 1...Sc3
      • 2.Bg3#
      • 2.Qh5#
    • 1...Sg3
      • 2.Bxg3#
    • 1...Sg5
      • 2.Bg3#
    • 1...Sd6
      • 2.Bg3#
    • 1...Sf6
      • 2.Bg3#
  • Keys
    • 1.Sb6!
      • threat
        • 2.Rd5#
      • 1...Kxd4
        • 2.Qb2#
      • 1...Kf5
        • 2.Qh5#
      • 1...Sxf2
        • 2.Qh5#
      • 1...Rd3
        • 2.Rh5#
      • 1...Sd2
        • 2.Bg3#
        • 2.Qh5#
      • 1...Sc3
        • 2.Bg3#
        • 2.Qh5#
      • 1...Sg3
        • 2.Bxg3#
      • 1...Sg5
        • 2.Bg3#
      • 1...Sd6
        • 2.Bg3#
      • 1...Sf6
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • K(g);P-FLIGHT,P_SPINS(d)::QAR2(B)
    • R(c);P_SPINS(d)::R(F)
    • S(d);N_GUARD,P_SPINR(c),XB(C)::QAR(B)
    • S(d);N_GUARD,P_SPINR(c)::B(C),XS(d)
    • S(d);N_GUARD,P_SPINR(c)::B(C)
  • Actual
    • S(H);
    • Threat
      • R1(E)
    • Vars
      • K(g);OGATEB,P_SPINR(c),P_SPINS(d),S_FLIGHT,XR(E)::QAB(B)
      • K(g);P-FLIGHT,P_SPINS(d)::QAR2(B)
      • S(d);N_GUARD,P_SPINR(c),XB(C)::QAR(B)
      • R(c);P_SPINS(d)::R(F)
      • S(d);N_GUARD,P_SPINR(c)::B(C),XS(d)
      • S(d);N_GUARD,P_SPINR(c)::B(C)
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