MESON Chess Problem Database

Problem Display
PID: 105051 (8/4p1Nr/pPP2N2/Qp2k1P1/3p1p2/BK3R1P/4B3/8 w - - 0 1)

Klemanic, Emil

Hlas l'udu, 1992

8/4p1Nr/pPP2N2/Qp2k1P1/3p1p2/BK3R1P/4B3/8

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Qc3#
  • Tries
    • 1.Bc4?
      • threat
        • 2.Qe1#
      • 1...d3
        • 2.Qc3#
      • 1...Rxg7!
    • 1.Re3+?
      • 1...dxe3
        • 2.Qc3#
      • 1...fxe3!
    • 1.Qe1?
      • threat
        • 2.Bd1#
        • 2.Bf1#
        • 2.Bd3#
        • 2.Bc4#
        • 2.Bxb5#
      • 1...Rxg7
        • 2.Bd3#
      • 1...exf6
        • 2.Bc4#
      • 1...d3
        • 2.Qc3#
        • 2.Qa1#
      • 1...b4!
  • Keys
    • 1.Bxb5!
      • threat
        • 2.Bf1#
        • 2.Be2#
        • 2.Bd3#
        • 2.Ba4#
        • 2.Bc4#
        • 2.Bxa6#
        • 2.Qe1#
      • 1...Rxg7
        • 2.Bc4#
      • 1...axb5
        • 2.Qe1#
        • 2.Qxb5#
      • 1...exf6
        • 2.Bd3#
      • 1...d3
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::QAB(F)
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR(F)
      • Vars
        • P(a);OGATEB::QAB(F)
      • Refutation
        • R(g);XS(K)
    • Try
      • R(D);CHECK
      • Vars
        • P(a);S_CUTP(b),XR(D)::QAB(F)
      • Refutation
        • P(b);XR(D)
    • Try
      • Q(F);N_PINP(c)
      • Threat
        • DUALS(5)
      • Vars
        • R(g);XS(K)::QAR(F)+B(A)
        • P(f);XS(J)::QAR(F)+B(A)
      • Refutation
        • P(c);
  • Actual
    • B(A);XP(c)
    • Threat
      • DUALS(7)
    • Vars
      • R(g);XS(K)::QAR(F)+B(A)
      • P(f);XS(J)::QAR(F)+B(A)
      • P(a);OGATEB::QAB(F)
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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).