MESON Chess Problem Database

Problem Display
PID: 106907 (2B5/1pR1N3/2nPp3/4Pp2/3k1p2/BP3n1R/1KPN1PQ1/8 w - - 0 1)

Kiss, Janos

Herpai TT, 1951

2B5/1pR1N3/2nPp3/4Pp2/3k1p2/BP3n1R/1KPN1PQ1/8

#2

13 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qg7#
    • 1...Sfxe5
      • 2.c3#
    • 1...Scxe5
      • 2.Bc5#
  • Tries
    • 1.Sxc6+?
      • 1...Kd5
        • 2.Qxf3#
        • 2.c4#
      • 1...bxc6!
    • 1.Bc5+?
      • 1...Kxe5
        • 2.Qg7#
      • 1...Kxc5!
    • 1.c3+?
      • 1...Kxe5
        • 2.Qg7#
      • 1...Kd3!
  • Keys
    • 1.Bxb7!
      • 1...Kxe5
        • 2.Qg7#
      • 1...Sxd2
        • 2.Sxc6#
      • 1...Sfxe5
        • 2.c3#
      • 1...Scxe5
        • 2.Bc5#
      • 1...Sxe7
        • 2.Sxf3#
      • 1...Se1
        • 2.Sxc6#
      • 1...Sg1
        • 2.Sxc6#
      • 1...Sh2
        • 2.Sxc6#
      • 1...Sh4
        • 2.Sxc6#
      • 1...Sg5
        • 2.Sxc6#
      • 1...Sb4
        • 2.Sxf3#
      • 1...Sa5
        • 2.Sxf3#
      • 1...Sa7
        • 2.Sxf3#
      • 1...Sb8
        • 2.Sxf3#
      • 1...Sd8
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XP(I)::QAB(E)
    • S(a);SBLOCK,XP(I)::P(B)
    • S(e);SBLOCK,XP(I)::B(F)
  • Tries
    • Try
      • S(L);CHECK,XS(e)
      • Refutation
        • P(g);XS(L)
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(I)::QAB(E)
      • Refutation
        • K(b);P_SPINS(e),S_FLIGHT,XB(F)
    • Try
      • P(B);CHECK
      • Vars
        • K(b);S_FLIGHT,XP(I)::QAB(E)
      • Refutation
        • K(b);P-FLIGHT,P_SPINS(a)
  • Actual
    • B(M);XP(g)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XP(I)::QAB(E)
      • S(a);XS(C)::S(L),XS(e)
      • S(a);SBLOCK,XP(I)::P(B)
      • S(e);SBLOCK,XP(I)::B(F)
      • S(e);XS(L)::S(C),XS(a)
      • S(a);::S(L),XS(e)
      • S(e);::S(C),XS(a)
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Developed and maintained by Brian Stephenson.
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