MESON Chess Problem Database

Problem Display
PID: 75532 (B3n3/4p3/1br1pRK1/pr1k1Pp1/N1p1p3/1np1q3/2N4B/8 w - - 0 1)

Kinnunen, Jorma

Uusi Suomi, 1933

B3n3/4p3/1br1pRK1/pr1k1Pp1/N1p1p3/1np1q3/2N4B/8

#2

7 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Sxc3#
    • 1...Rc5
      • 2.Sxb6#
    • 1...Sd4
      • 2.Sxe3#
    • 1...exf5
      • 2.Bxc6#
    • 1...e5
      • 2.Bxc6#
  • Keys
    • 1.Rxe6!
      • threat
        • 2.Bxc6#
      • 1...Qc5
        • 2.Sxc3#
      • 1...Rc5
        • 2.Sxb6#
      • 1...Sd4
        • 2.Sxe3#
      • 1...Sd6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(c);N_GUARD,SBLOCK::S(C),XP(b)
    • R(g);N_GUARD,SBLOCK,S_CUTQ(c)::S(C),XB(j)
    • S(a);SBLOCK,S_CUTB(j)::S(A),XQ(c)
    • P(l);P_PINR(E),XP(D)::B(G),XR(k)
    • P(l);P_PINR(E)::B(G),XR(k)
  • Actual
    • R(E);P_SPINR(E),XP(l)
    • Threat
      • B(G),XR(k)
    • Vars
      • Q(c);N_GUARD,SBLOCK::S(C),XP(b)
      • R(g);N_GUARD,SBLOCK,S_CUTQ(c)::S(C),XB(j)
      • S(a);SBLOCK,S_CUTB(j)::S(A),XQ(c)
      • S(n);N_PINR(E),SBLOCK::R1(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).