MESON Chess Problem Database

Problem Display
PID: 96685 (B2br3/K1Rn1pN1/Np1kn1Q1/8/b1P1Rr2/8/8/B7 w - - 0 1)

Salardini, Erio

Problem (Zagreb), 1953

B2br3/K1Rn1pN1/Np1kn1Q1/8/b1P1Rr2/8/8/B7

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Sf5#
    • 1...Rg4
      • 2.Sf5#
    • 1...Rh4
      • 2.Sf5#
    • 1...Rf5
      • 2.Sxf5#
    • 1...Be7
      • 2.Sxe8#
    • 1...Sc5
      • 2.Be5#
    • 1...Se5
      • 2.Bxe5#
    • 1...Sf6
      • 2.Be5#
    • 1...Sb8
      • 2.Be5#
    • 1...Sf8
      • 2.Be5#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Sf5#
      • 1...Ke7
        • 2.Qa3#
      • 1...Sxg7
        • 2.Qd3#
      • 1...Sd4
        • 2.Sxe8#
      • 1...Se5
        • 2.Bxe5#
      • 1...f5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • R(b);N_GUARD,XR(C)::S(H)
    • R(b);N_GUARD::S(H)
    • R(b);N_GUARD::S(H),XR(b)
    • B(h);SBLOCK::S(H),XR(i)
    • S(f);N_GUARD::B(A)
    • S(f);N_GUARD::B(A),XS(f)
    • S(f);N_GUARD,N_SPINS(e)::B(A)
  • Actual
    • Q(E);N_PINS(e),P_PINR(b)
    • Threat
      • S(H)
    • Vars
      • K(d);N_SPINR(b),P_SPINS(e),S_FLIGHT::QAB(E)
      • S(e);N_GUARD,XS(H)::QAR(E)
      • S(e);::S(H),XR(i)
      • S(f);N_GUARD,N_SPINR(b)::B(A),XS(f)
      • P(g);::S(H),XP(g)
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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).