MESON Chess Problem Database

Problem Display
PID: 244723 (8/1B6/1rpK4/2P1p3/NN2k3/b4R2/1pPR2P1/1n6 w - - 0 1)

Colaneri, Bruno

Candela MT (Problemas), 2018

8/1B6/1rpK4/2P1p3/NN2k3/b4R2/1pPR2P1/1n6

#2

9 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb4
      • 2.Bxc6#
    • 1...Rb5
      • 2.Bxc6#
    • 1...Sc3
      • 2.Sxc3#
  • Tries
    • 1.c3?
      • threat
        • 2.Re2#
      • 1...Sxc3
        • 2.Sxc3#
      • 1...Sxd2!
  • Keys
    • 1.Sxc6!
      • threat
        • 2.Re2#
      • 1...Rxc6+
        • 2.Bxc6#
      • 1...Bxc5+
        • 2.Sxc5#
      • 1...Sxd2
        • 2.Sc3#
      • 1...Rb3
        • 2.Sb4#
      • 1...Sc3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD,XS(F)::B(I),XP(g)
    • R(f);N_GUARD::B(I),XP(g)
    • S(a);N_GUARD::S(E),XS(a)
  • Tries
    • Try
      • P(A);
      • Threat
        • R(B)
      • Vars
        • S(a);XP(A)::S(E),XS(a)
      • Refutation
        • S(a);XR(B)
  • Actual
    • S(F);P_SPINP(G),P_SPINS(F),XP(g)
    • Threat
      • R(B)
    • Vars
      • R(f);CHECK,OGATE,P_SPINR(f),XS(F)::B(I),XR(f)
      • B(c);CHECK,XP(G)::S(E),XB(c)
      • S(a);N_GUARD,XR(B)::S(E)
      • R(f);N_PINS(F)::B(I)+S(F)
      • S(a);N_GUARD::S(E),XS(a)
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