MESON Chess Problem Database

Problem Display
PID: 60440 (rb3n2/1N4K1/2PP4/pN6/P1kpQ1p1/P7/2P1P3/q7 w - - 0 1)

Slagmolen, Cornelis

Probleemblad, 2005

rb3n2/1N4K1/2PP4/pN6/P1kpQ1p1/P7/2P1P3/q7

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Qxd4#
    • 1...Qc1
      • 2.Qxd4#
    • 1...Qe1
      • 2.Qxd4#
    • 1...Qf1
      • 2.Qxd4#
    • 1...Qh1
      • 2.Qxd4#
    • 1...Qa2
      • 2.Qxd4#
    • 1...Qxa3
      • 2.Qxd4#
    • 1...Se6+
      • 2.Qxe6#
    • 1...Sg6
      • 2.Qe6#
    • 1...Sd7
      • 2.Qe6#
    • 1...Sh7
      • 2.Qe6#
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qc5#
      • 1...Se6+
        • 2.Qxe6#
      • 1...Qxa3
        • 2.Qxd4#
      • 1...Bxd6
        • 2.S7xd6#
      • 1...Ba7
        • 2.Sxa5#
      • 1...Sd7
        • 2.Qe6#
      • 1...d3
        • 2.exd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • Q(a);N_GUARD::QAR1(E),XP(c)
    • Q(a);N_GUARD,XP(C)::QAR1(E),XP(c)
    • S(h);CHECK,N_GUARD::QAB(E),XS(h)
    • S(h);N_GUARD::QAB(E)
  • Actual
    • Q(E);N_PINP(c)
    • Threat
      • QAR1(E)
    • Vars
      • S(h);CHECK,N_GUARD::QAB(E),XS(h)
      • Q(a);N_GUARD,XP(C)::QAR1(E),XP(c)
      • B(g);XP(H)::S(I),XB(g)
      • B(g);S_CUTR(f)::S(I),XP(e)
      • S(h);N_GUARD::QAB(E)
      • P(c);OGATE,P_PINQ(E)::P(B),XP(c)
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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).