MESON Chess Problem Database

Problem Display
PID: 146202 (5Q2/2prqB2/2Nk1npR/1Pp4p/1Pp4r/1p1bNp2/1B1n1P1b/3RK3 w - - 0 1)

Salardini, Erio

2nd HM., L'Echiquier, 1935

5Q2/2prqB2/2Nk1npR/1Pp4p/1Pp4r/1p1bNp2/1B1n1P1b/3RK3

#2

11 + 15

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Be5#
    • 1...Rd8
      • 2.Qxe7#
    • 1...Bg1
      • 2.Be5#
    • 1...Be5
      • 2.Bxe5#
    • 1...Be4
      • 2.Sxc4#
    • 1...Sde4
      • 2.Sxc4#
    • 1...Sfe4
      • 2.Sf5#
    • 1...g5
      • 2.Rxf6#
  • Keys
    • 1.Ba3!
      • threat
        • 2.bxc5#
      • 1...cxb4
        • 2.Bxb4#
      • 1...Rd8
        • 2.Qxe7#
      • 1...Sde4
        • 2.Sxc4#
      • 1...Sfe4
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(g);S_CUTB(b)::B(C)
    • R(n);N_GUARD::QAB1(K),XQ(o)
    • B(b);N_GUARD::B(C)
    • B(b);N_GUARD,N_PINS(E)::B(C),XB(b)
    • B(d);N_PINS(E),P_SPINS(a)::S(E),XP(f)
    • S(a);N_PINS(E),P_SPINB(d)::S(E),XP(f)
    • S(k);N_PINS(E),P_SPINP(l)::S(E)
    • P(l);OGATE,P_SPINS(k)::R(I),XS(k)
  • Actual
    • B(C);
    • Threat
      • P(F),XP(h)
    • Vars
      • P(h);OGATE,P_SPINP(h),XP(F)::B(C),XP(h)
      • R(n);N_GUARD::QAB1(K),XQ(o)
      • S(a);N_PINS(E),P_SPINB(d)::S(E),XP(f)
      • S(k);N_PINS(E),P_SPINP(l)::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).