MESON Chess Problem Database

Problem Display
PID: 93244 (5Q2/6p1/8/8/1K6/3p4/pkp5/r1rb4 w - - 0 1)

Tuxen, Harri Viggo

Skakbladet, 1960

5Q2/6p1/8/8/1K6/3p4/pkp5/r1rb4

#2

2 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rab1
      • 2.Qxg7#
  • Tries
    • 1.Qf7?
      • threat
        • 2.Qb3#
      • 1...Kb1
        • 2.Qb3#
      • 1...Rab1
        • 2.Qxg7#
      • 1...Rcb1!
    • 1.Qg8?
      • threat
        • 2.Qb3#
      • 1...Kb1
        • 2.Qb3#
      • 1...Rab1
        • 2.Qxg7#
      • 1...Rcb1!
  • Keys
    • 1.Ka4!
      • threat
        • 2.Qb4#
      • 1...Kb1
        • 2.Qb4#
        • 2.Qb8#
      • 1...Kc3
        • 2.Qb4#
      • 1...Rab1
        • 2.Qxg7#
      • 1...Rcb1
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::QAB(B),XP(h)
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(e);P-FLIGHT::QAR2(B)
        • R(a);SBLOCK::QAB(B),XP(h)
      • Refutation
        • R(b);
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • K(e);P-FLIGHT::QAR2(B)
        • R(a);SBLOCK::QAB(B),XP(h)
      • Refutation
        • R(b);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR2(B)
    • Vars
      • K(e);S_FLIGHT::QAB1(B)
      • R(a);SBLOCK::QAB(B),XP(h)
      • R(b);SBLOCK::QAB1(B)
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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).