MESON Chess Problem Database

Problem Display
PID: 73587 (8/1pB5/1pp4R/R1bk1p2/B2Np3/5r2/1N3Qp1/5nK1 w - - 0 1)

Wolff, J

Tijdschrift vd KNSB, 1942

8/1pB5/1pp4R/R1bk1p2/B2Np3/5r2/1N3Qp1/5nK1

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Bxb3#
    • 1...Rf4
      • 2.Bb3#
    • 1...f4
      • 2.Rh5#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qd4#
      • 1...Rxf2
        • 2.Bb3#
      • 1...bxa5
        • 2.Qxc5#
      • 1...e3
        • 2.Qxf3#
      • 1...b5
        • 2.Qxc5#
      • 1...Rd3
        • 2.Sf4#
      • 1...Re3
        • 2.Qxf5#
      • 1...Se3
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::B(D),XR(c)
    • R(c);N_GUARD::B(D)
    • P(g);OGATEB::R(G)
  • Actual
    • S(E);P_SPINQ(C)
    • Threat
      • QAR1(C)
    • Vars
      • R(c);N_GUARD,XQ(C)::B(D)
      • P(h);N_GUARD,N_SPINB(e),XR(F)::QAR1(C),XB(e)
      • P(d);N_PINQ(C)::QAB(C),XR(c)
      • P(h);N_GUARD,N_SPINB(e)::QAR1(C),XB(e)
      • R(c);N_GUARD::S(E)
      • R(c);N_PINQ(C)::QAR2(C),XP(g)
      • S(a);N_PINQ(C)::QAR(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).