MESON Chess Problem Database

Problem Display
PID: 163618 (6B1/4B3/4pPR1/Rp2p2P/1p2kP2/1K3p1P/2N2p2/5Q2 w - - 0 1)

Labai, Zoltan

1st Prize, Sachmatija, 2005

6B1/4B3/4pPR1/Rp2p2P/1p2kP2/1K3p1P/2N2p2/5Q2

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qc4#
  • Tries
    • 1.Bxe6?
      • 1...Kxf4
        • 2.Rg4#
      • 1...exf4!
    • 1.Rg4?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Bh7#
      • 1...exf4!
    • 1.Rg5?
      • 1...Kd5
        • 2.Qc4#
      • 1...exf4
        • 2.Bh7#
      • 1...Kxf4!
    • 1.Qd3+?
      • 1...Kxf4
        • 2.Rg4#
      • 1...Kxd3!
    • 1.Qc4+?
      • 1...Kf5
        • 2.Se3#
        • 2.Bxe6#
        • 2.Rg5#
      • 1...bxc4+!
  • Keys
    • 1.Bh7!
      • 1...Kxf4
        • 2.Rg4#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf5
        • 2.Rg4#
      • 1...exf4
        • 2.Rg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINP(e),S_FLIGHT::QAB1(A)
  • Tries
    • Try
      • B(K);XP(g)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XP(E)::R1(I)
      • Refutation
        • P(f);XP(E)
    • Try
      • R(I);
      • Vars
        • K(d);P_SPINP(e),S_FLIGHT::QAB1(A)
        • K(d);S_FLIGHT::B(K)
      • Refutation
        • P(f);P_SPINP(f),XP(E)
    • Try
      • R(I);
      • Vars
        • K(d);P_SPINP(e),S_FLIGHT::QAB1(A)
        • P(f);SBLOCK,XP(E)::B(K)
      • Refutation
        • K(d);P-FLIGHT,XP(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);P-FLIGHT,XP(E)::R1(I)
      • Refutation
        • K(d);S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • P(e);CHECK,XQ(A)
  • Actual
    • B(K);
    • Vars
      • K(d);P-FLIGHT,XP(E)::R1(I)
      • K(d);P_SPINP(e),S_FLIGHT::QAB1(A)
      • K(d);S_FLIGHT::B(K)+R(I)
      • P(f);SBLOCK,XP(E)::B(K)+R(I)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).