MESON Chess Problem Database

Problem Display
PID: 234799 (7K/2p4p/2P2B2/kPQ5/1N3p1r/8/1nBNb3/b1R2q2 w - - 0 1)

Cuppini, Alessandro

Hlas l'udu, 1993

7K/2p4p/2P2B2/kPQ5/1N3p1r/8/1nBNb3/b1R2q2

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rxa1#
    • 1...Sd3
      • 2.Sc4#
    • 1...Sa4
      • 2.Sb3#
    • 1...Sc4
      • 2.b6#
  • Tries
    • 1.Sc4+?
      • 1...Sxc4
        • 2.b6#
      • 1...Bxc4!
    • 1.Sd3?
      • threat
        • 2.Bc3#
      • 1...Sxd3
        • 2.Sc4#
      • 1...Sd1
        • 2.Sc4#
        • 2.Rxa1#
      • 1...Sa4
        • 2.Sb3#
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...f3!
    • 1.Rxa1+?
      • 1...Sa4
        • 2.Sb3#
        • 2.Rxa4#
      • 1...Qxa1!
  • Keys
    • 1.Be5!
      • threat
        • 2.Bxc7#
      • 1...Sd1
        • 2.Rxa1#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sa4
        • 2.Sb3#
      • 1...Sc4
        • 2.b6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,P_PINB(H),S_CUTQ(b)::R(A),XB(a)
    • S(c);N_GUARD,P_PINB(H),S_CUTB(d)::S(C)
    • S(c);P_PINB(H),SBLOCK::S(C)
    • S(c);P_PINB(H),S_CUTB(d)::QAR(F)+P(E)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • S(c);P_PINB(H),XS(C)::QAR(F)+P(E)
      • Refutation
        • B(d);XS(C)
    • Try
      • S(D);
      • Threat
        • B(H)
      • Vars
        • S(c);N_GUARD,P_PINB(H),XS(D)::S(C)
        • S(c);N_GUARD,P_PINB(H)::S(C),XS(c)
      • Refutation
        • P(e);
    • Try
      • R(A);CHECK,XB(a)
      • Refutation
        • Q(b);XR(A)
  • Actual
    • B(H);
    • Threat
      • B(H),XP(h)
    • Vars
      • S(c);N_GUARD,P_PINB(H),S_CUTQ(b)::R(A),XB(a)
      • S(c);N_GUARD,P_PINB(H),S_CUTB(d)::S(C)
      • S(c);P_PINB(H),SBLOCK::S(C)
      • S(c);P_PINB(H),S_CUTB(d)::QAR(F)+P(E)
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