MESON Chess Problem Database

Problem Display
PID: 60154 (4Rq2/5n2/p2r4/3Pb1Bn/1Np1kP2/K1Pp4/4PP2/1Q6 w - - 0 1)

Weiss, Berthold

3rd HM., Brisbane Courier, 1929

4Rq2/5n2/p2r4/3Pb1Bn/1Np1kP2/K1Pp4/4PP2/1Q6

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sh6
      • 2.Rxe5#
    • 1...Sd8
      • 2.Rxe5#
    • 1...Sh8
      • 2.Rxe5#
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Sb4#
      • 1...Rxd5+
        • 2.Sc5#
      • 1...Kxd5
        • 2.Qh1#
      • 1...Kf5
        • 2.Sxe5#
      • 1...Sxf4
        • 2.Sxf4#
      • 1...Sxg5
        • 2.Rxe5#
      • 1...cxd3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • S(h);N_GUARD::R1(J),XB(d)
  • Actual
    • S(F);XP(a)
    • Threat
      • QAB(A)+S(F)
    • Vars
      • R(g);CHECK,SBLOCK,XP(H)::QAB(A)+S(F),DCHECK
      • K(c);N_SPINB(d),S_FLIGHT,XP(H)::QAB(A)
      • K(c);N_SPINB(d),S_FLIGHT::QAB(A)+S(F),XB(d)
      • S(e);XP(G)::QAB(A)+S(F),XS(e)
      • S(h);N_GUARD,XB(I)::R1(J),XB(d)
      • P(b);OGATE,P_SPINP(b),XS(F)::QAB1(A),XP(b)
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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).