MESON Chess Problem Database

Problem Display
PID: 175961 (4Nb1B/Q6B/3p1P1p/R1nn2kN/8/Kbp2P2/8/7R w - - 0 1)

Kipping, Cyril Stanley

Busmen's Chess Review, 1962

4Nb1B/Q6B/3p1P1p/R1nn2kN/8/Kbp2P2/8/7R

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bg7
      • 2.Qxg7#
    • 1...Sd3
      • 2.Qg1#
    • 1...Sa4
      • 2.Qg1#
      • 2.Qe3#
    • 1...Se4
      • 2.Qe3#
    • 1...Sa6
      • 2.Qg1#
      • 2.Qe3#
    • 1...Se6
      • 2.Qg1#
    • 1...Sb7
      • 2.Qg1#
      • 2.Qe3#
    • 1...Sd7
      • 2.Qg1#
      • 2.Qe3#
    • 1...Sxf6
      • 2.Bxf6#
  • Keys
    • 1.Sxd6!
      • threat
        • 2.Sf7#
      • 1...Bxd6
        • 2.Qg7#
      • 1...Sxf6
        • 2.Bxf6#
      • 1...Sd3
        • 2.Qg1#
      • 1...Sa4
        • 2.Qg1#
        • 2.Qe3#
      • 1...Se4
        • 2.Qe3#
      • 1...Sa6
        • 2.Qg1#
        • 2.Qe3#
      • 1...Se6
        • 2.Qg1#
      • 1...Sb7
        • 2.Qg1#
        • 2.Qe3#
      • 1...Sd7
        • 2.Qg1#
        • 2.Qe3#
      • 1...Se3
        • 2.Se4#
      • 1...Sb4
        • 2.Se4#
      • 1...Sf4
        • 2.Se4#
      • 1...Sb6
        • 2.Se4#
      • 1...Sc7
        • 2.Se4#
      • 1...Se7
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(h);N_GUARD::QAR2(G),XB(h)
    • S(c);OGATE,P_SPINS(d)::QAR(G)
    • S(c);OGATE,P_SPINS(d)::QAB(G)
    • S(d);OGATE,P_SPINS(c),XP(F)::B(J),XS(d)
  • Actual
    • S(I);XP(f)
    • Threat
      • S(I)
    • Vars
      • B(h);N_GUARD,XS(I)::QAR2(G)
      • S(d);OGATE,P_SPINS(c),XP(F)::B(J),XS(d)
      • S(c);OGATE,P_PINS(I),P_SPINS(d)::QAR(G)
      • S(c);OGATE,P_PINS(I),P_SPINS(d)::QAB(G)
      • S(d);P_SPINS(c)::S(I)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).