MESON Chess Problem Database

Problem Display
PID: 66344 (q7/pk1B4/p1pB4/PNp5/5r2/1R2r3/4p1R1/4Kn1Q w - - 0 1)

Drese, Gerardus Hendrikus

Tijdschrift vd NSB, 1931

q7/pk1B4/p1pB4/PNp5/5r2/1R2r3/4p1R1/4Kn1Q

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ree4
      • 2.Sd4#
    • 1...Re5
      • 2.Sd4#
    • 1...Re6
      • 2.Sd4#
    • 1...Re7
      • 2.Sd4#
    • 1...Re8
      • 2.Sd4#
    • 1...Rf2
      • 2.Sc3#
    • 1...Rf3
      • 2.Sc3#
    • 1...Rf5
      • 2.Sc3#
    • 1...Rf6
      • 2.Sc3#
    • 1...Rf7
      • 2.Sc3#
    • 1...Rf8
      • 2.Sc3#
  • Keys
    • 1.Rg7!
      • threat
        • 2.Qxc6#
      • 1...Qc8
        • 2.Bxc6#
      • 1...Ref3
        • 2.Bf5#
      • 1...Ree4
        • 2.Sd4#
      • 1...Rff3
        • 2.Sc3#
      • 1...Rfe4
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(c);N_GUARD::R(D)+S(F)
    • R(d);N_GUARD::R(D)+S(F)
  • Actual
    • R(C);P_PINP(g)
    • Threat
      • QAB1(B),XP(g)
    • Vars
      • Q(j);SBLOCK::R(C)+B(H),DCHECK,XP(g)
      • R(c);N_GUARD,N_SPINP(g)::R(C)+B(H)
      • R(c);N_GUARD,N_SPINP(g)::R(D)+S(F)
      • R(d);N_GUARD,N_SPINP(g)::R(D)+S(F)
      • R(d);N_GUARD,N_SPINP(g)::R(C)+B(H)
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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).