MESON Chess Problem Database

Problem Display
PID: 106904 (3QRbb1/B1P1n3/3pP3/R1nNk1P1/5NP1/qpP2K2/8/8 w - - 0 1)

Kiss, Janos

Herpai TT, 1951

3QRbb1/B1P1n3/3pP3/R1nNk1P1/5NP1/qpP2K2/8/8

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Bd4#
    • 1...Sa4
      • 2.Bd4#
    • 1...Se4
      • 2.Bd4#
    • 1...Sa6
      • 2.Bd4#
    • 1...Sxe6
      • 2.Sd3#
    • 1...Sb7
      • 2.Bd4#
    • 1...Sd7
      • 2.Bd4#
    • 1...Sxd5
      • 2.Sg6#
    • 1...Sf5
      • 2.Qf6#
    • 1...Sc6
      • 2.Qf6#
    • 1...Sg6
      • 2.Qf6#
    • 1...Sc8
      • 2.Qf6#
  • Tries
    • 1.Sxe7?
      • threat
        • 2.Sc6#
        • 2.Seg6#
      • 1...Qa4
        • 2.Seg6#
      • 1...Bf7
        • 2.Sc6#
      • 1...Bh7
        • 2.Sc6#
      • 1...Bxe7!
    • 1.Qxe7?
      • threat
        • 2.Qf6#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Se4
        • 2.Sd3#
        • 2.Sg6#
        • 2.Bd4#
      • 1...Sd7
        • 2.Sd3#
        • 2.Sg6#
        • 2.Bd4#
      • 1...Bxe7!
  • Keys
    • 1.c8S!
      • threat
        • 2.Qxd6#
      • 1...Sxe6
        • 2.Sd3#
      • 1...Sxd5
        • 2.Sg6#
      • 1...Sxc8
        • 2.Qf6#
      • 1...Sd3
        • 2.Bd4#
      • 1...Sa4
        • 2.Bd4#
      • 1...Se4
        • 2.Bd4#
      • 1...Sa6
        • 2.Bd4#
      • 1...Sb7
        • 2.Bd4#
      • 1...Sd7
        • 2.Bd4#
      • 1...Sf5
        • 2.Qf6#
      • 1...Sc6
        • 2.Qf6#
      • 1...Sg6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::B(I)
    • S(c);N_GUARD,SBLOCK,XP(H)::S(C)
    • S(f);N_GUARD,SBLOCK,XS(F)::S(C)
    • S(f);OGATE::QAB1(K)
  • Tries
    • Try
      • S(F);P_PINS(c),XS(f)
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);::S(F)
        • B(h);::S(F)
      • Refutation
        • B(g);XS(F)
    • Try
      • Q(K);XS(f)
      • Threat
        • QAB1(K)
      • Vars
        • B(g);N_GUARD::QAB(K),XB(g)
      • Refutation
        • B(g);XQ(K)
  • Actual
    • P(J);
    • Threat
      • QAB1(K),XP(e)
    • Vars
      • S(c);N_GUARD,SBLOCK,XP(H)::S(C)
      • S(f);N_GUARD,SBLOCK,XS(F)::S(C)
      • S(f);OGATE,XS(J)::QAB1(K)
      • S(c);OGATE::B(I)
      • S(f);OGATE::QAB1(K)
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