MESON Chess Problem Database

Problem Display
PID: 58609 (2r2r2/6Nb/2n1R2R/3k1n2/8/BP1P4/2B1N3/2K5 w - - 0 1)

Hayrabedian, Krikor

Het Belgisch Schaakbord (L'Echiquier Belge), 1955

2r2r2/6Nb/2n1R2R/3k1n2/8/BP1P4/2B1N3/2K5

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sfd4
      • 2.Sc3#
    • 1...Scd4
      • 2.Sf4#
  • Tries
    • 1.Re4?
      • threat
        • 2.Sc3#
        • 2.Sf4#
      • 1...Sxh6
        • 2.Sc3#
      • 1...Sxg7
        • 2.Sc3#
        • 2.Rd6#
      • 1...Se3
        • 2.Sc3#
        • 2.Rd6#
      • 1...Sg3
        • 2.Sc3#
        • 2.Rd6#
      • 1...Sfd4
        • 2.Sc3#
        • 2.Rd6#
      • 1...Sh4
        • 2.Sc3#
        • 2.Rd6#
      • 1...Sd6
        • 2.Sc3#
        • 2.Rxd6#
      • 1...Sfe7
        • 2.Sc3#
        • 2.Rd6#
      • 1...Scd4
        • 2.Sf4#
      • 1...Sa5
        • 2.Sf4#
      • 1...Se5
        • 2.Sf4#
      • 1...Sa7
        • 2.Sf4#
      • 1...Sce7
        • 2.Sf4#
      • 1...Sb8
        • 2.Sf4#
      • 1...Sd8
        • 2.Sf4#
      • 1...Sb4!
    • 1.Rd6+?
      • 1...Ke5
        • 2.Rhe6#
      • 1...Sxd6!
  • Keys
    • 1.d4!
      • threat
        • 2.Be4#
      • 1...Sfxd4
        • 2.Sc3#
      • 1...Sxh6
        • 2.Rd6#
      • 1...Sxg7
        • 2.Rd6#
      • 1...Scxd4
        • 2.Sf4#
      • 1...Se3
        • 2.Rd6#
      • 1...Sg3
        • 2.Rd6#
      • 1...Sh4
        • 2.Rd6#
      • 1...Sd6
        • 2.Rxd6#
      • 1...Sfe7
        • 2.Rd6#
      • 1...Sb4
        • 2.Re5#
      • 1...Sa5
        • 2.Re5#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sa7
        • 2.Re5#
      • 1...Sce7
        • 2.Re5#
      • 1...Sb8
        • 2.Re5#
      • 1...Sd8
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::S(C)
    • S(c);P_PINB(B),SBLOCK::S(C)
  • Tries
    • Try
      • R(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);XR(H)::S(C)
        • S(c);P_PINB(B)::S(C)
      • Refutation
        • S(c);P_PINB(B)
    • Try
      • R(G);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(H)
      • Refutation
        • S(b);XR(G)
  • Actual
    • P(F);
    • Threat
      • B(B)
    • Vars
      • S(b);SBLOCK,XP(F)::S(C)
      • S(b);N_GUARD,XR(H)::R1(G)
      • S(b);N_GUARD,XS(I)::R1(G)
      • S(c);P_PINB(B),SBLOCK,XP(F)::S(C)
      • S(b);N_GUARD::R1(G)
      • S(b);N_GUARD::R1(G),XS(b)
      • S(c);N_GUARD,P_PINB(B)::R1(G)
      • S(c);N_GUARD,P_PINB(B)::R1(G),XS(c)
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