MESON Chess Problem Database

Problem Display
PID: 191257 (8/2p1r1p1/5nK1/1p3Q2/3k2p1/1P1N1bR1/3B4/2Rn2N1 w - - 0 1)

Franken, JW

Tijdschrift vd KNSB, 1941

8/2p1r1p1/5nK1/1p3Q2/3k2p1/1P1N1bR1/3B4/2Rn2N1

#2

8 + 9

102 Probleemblad 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Se2#
    • 1...Se3
      • 2.Bc3#
    • 1...b4
      • 2.Rc4#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc2#
      • 1...Re4
        • 2.Qc5#
      • 1...Re5
        • 2.Qd3#
      • 1...Be4
        • 2.Se2#
      • 1...Bd5
        • 2.Rd3#
      • 1...Se3
        • 2.Bc3#
      • 1...Se4
        • 2.Qd5#
      • 1...Sd5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD,P_PINQ(G),S_CUTR(h)::S(B)
    • S(a);N_GUARD,SBLOCK::B(C)
    • P(e);N_GUARD::R1(A)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • R(h);SBLOCK::QAB1(G)
      • R(h);SBLOCK::QAR1(G)
      • B(b);N_GUARD,P_PINQ(G),S_CUTR(h)::S(B)
      • B(b);OGATE::R1(F)
      • S(a);N_GUARD,SBLOCK::B(C)
      • S(f);N_GUARD,S_CUTB(b)::QAR1(G)
      • S(f);S_CUTB(b)::S(E)
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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).