MESON Chess Problem Database

Problem Display
PID: 252634 (8/K7/1Np4n/R4pN1/R2BPkPP/2p2PpP/2Bb2b1/5n2 w - - 0 1)

Wirajaya, Daniel

SEPA-80 JT (Problemas), 2013-2014

8/K7/1Np4n/R4pN1/R2BPkPP/2p2PpP/2Bb2b1/5n2

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Be5#
    • 1...Bxf3
      • 2.Se6#
    • 1...Se3
      • 2.Be5#
    • 1...Sxg4
      • 2.Rxf5#
    • 1...Sf7
      • 2.Rxf5#
    • 1...Sg8
      • 2.Rxf5#
    • 1...c5
      • 2.Sd5#
  • Tries
    • 1.Sc4?
      • threat
        • 2.Be5#
      • 1...Sxg4
        • 2.Rxf5#
      • 1...Sf7
        • 2.Rxf5#
      • 1...Be3!
  • Keys
    • 1.exf5!
      • threat
        • 2.Bg1#
        • 2.Bf2#
      • 1...Bxf3
        • 2.Se6#
      • 1...Sxf5
        • 2.Rxf5#
      • 1...Be3
        • 2.Be5#
      • 1...Se3
        • 2.Be5#
      • 1...c5
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(b);SBLOCK::B(E)
    • B(c);SBLOCK,XP(B)::S(J)
    • S(a);SBLOCK::B(E)
    • S(i);N_GUARD,XP(G)::R1(I),XP(g)
    • S(i);N_GUARD::R1(I),XP(g)
    • P(h);N_GUARD::S(K)
  • Tries
    • Try
      • S(K);
      • Threat
        • B(E)
      • Vars
        • S(i);N_GUARD,XP(G)::R1(I),XP(g)
        • S(i);N_GUARD::R1(I),XP(g)
      • Refutation
        • B(b);P_PINB(E)
  • Actual
    • P(F);XP(g)
    • Threat
      • DUALS(2)
    • Vars
      • B(c);SBLOCK,XP(B)::S(J)
      • S(i);OGATE,XP(F)::R1(I),XS(i)
      • B(b);SBLOCK::R(D)+B(E),DCHECK
      • S(a);SBLOCK::R(D)+B(E),DCHECK
      • P(h);N_GUARD::S(K)
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