MESON Chess Problem Database

Problem Display
PID: 155773 (2KBR3/b1Pp4/3k1p2/1P1Np3/1P3n2/3N3b/B2R4/4r1q1 w - - 0 1)

Simadhinata, Januarta (Siem Giok Liam)

Probleemblad, 2015

2KBR3/b1Pp4/3k1p2/1P1Np3/1P3n2/3N3b/B2R4/4r1q1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Be7#
    • 1...Bb8
      • 2.cxb8Q#
      • 2.cxb8B#
    • 1...Se6
      • 2.Be7#
  • Tries
    • 1.Se3?
      • threat
        • 2.Be7#
      • 1...Sd5
        • 2.Sc4#
      • 1...Sg6
        • 2.Sc5#
      • 1...Qg7!
    • 1.S5xf4?
      • threat
        • 2.Be7#
      • 1...Qg7
        • 2.Sc5#
      • 1...exf4!
    • 1.Re6+?
      • 1...Bxe6
        • 2.Be7#
      • 1...Sxe6
        • 2.Be7#
      • 1...dxe6
        • 2.Be7#
      • 1...Kxe6!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Be7#
      • 1...Qg7
        • 2.Sxf4#
      • 1...Sd5
        • 2.Sc4#
      • 1...Sg6
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(c);SBLOCK::B(I)
    • B(h);OGATE::PXB(h)=Q
    • S(d);SBLOCK::B(I)
  • Tries
    • Try
      • S(F);
      • Threat
        • B(I)
      • Vars
        • S(d);SBLOCK::S(F)
        • S(d);N_GUARD::R(B)+S(C)
      • Refutation
        • Q(b);
    • Try
      • S(F);XS(d)
      • Threat
        • B(I)
      • Vars
        • Q(b);N_GUARD::R(B)+S(C)
      • Refutation
        • P(e);XS(F)
    • Try
      • R(J);CHECK
      • Vars
        • B(c);SBLOCK,XR(J)::B(I)
        • S(d);SBLOCK,XR(J)::B(I)
        • P(i);SBLOCK,XR(J)::B(I)
      • Refutation
        • K(f);P-FLIGHT,XR(J)
  • Actual
    • S(F);
    • Threat
      • B(I)
    • Vars
      • Q(b);N_GUARD::R(B)+S(C),XS(d)
      • S(d);SBLOCK::S(F)
      • S(d);N_GUARD::R(B)+S(C)
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