MESON Chess Problem Database

Problem Display
PID: 214818 (4N3/p1BK2p1/B1pp2p1/P1kPpn2/1n1r4/2NPP3/q7/1R5r w - - 0 1)

Colaneri, Bruno

Best Problems, 2020

4N3/p1BK2p1/B1pp2p1/P1kPpn2/1n1r4/2NPP3/q7/1R5r

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5
      • 2.Sa4#
    • 1...Rxd5
      • 2.Se4#
    • 1...Sxe3
      • 2.Bxd6#
    • 1...Sg3
      • 2.Bxd6#
    • 1...Sh4
      • 2.Bxd6#
    • 1...Sh6
      • 2.Bxd6#
    • 1...Se7
      • 2.Bxd6#
  • Tries
    • 1.Sxg7?
      • threat
        • 2.Se6#
      • 1...Qxd5
        • 2.Sa4#
      • 1...Sxg7
        • 2.Bxd6#
      • 1...Rh7!
  • Keys
    • 1.Sxd6!
      • threat
        • 2.Sb7#
      • 1...Qxd5
        • 2.Sa4#
      • 1...Rxd5
        • 2.Se4#
      • 1...Sxd6
        • 2.Bxd6#

There are these afters: 223600

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(b);N_GUARD,SBLOCK,XP(F)::S(B)
    • R(d);N_GUARD,SBLOCK,XP(F)::S(B)
    • S(g);N_GUARD,XP(D)::B(H),XP(i)
    • S(g);N_GUARD::B(H),XP(i)
  • Tries
    • Try
      • S(J);XP(l)
      • Threat
        • S(J)
      • Vars
        • Q(b);N_GUARD,SBLOCK,XP(F)::S(B)
        • S(g);N_GUARD,XS(J)::B(H),XP(i)
      • Refutation
        • R(a);P_PINS(J)
  • Actual
    • S(J);XP(i)
    • Threat
      • S(J)
    • Vars
      • Q(b);N_GUARD,P_PINS(J),SBLOCK,XP(F)::S(B)
      • R(d);N_GUARD,P_PINS(J),SBLOCK,XP(F)::S(B)
      • S(g);OGATE,XS(J)::B(H),XS(g)
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