MESON Chess Problem Database

Problem Display
PID: 143072 (1KR5/3B2B1/Np5p/3k4/2Np3r/4rPp1/2PbR3/3Qq3 w - - 0 1)

Salardini, Erio

Magyar Sakkvilag, 1930

1KR5/3B2B1/Np5p/3k4/2Np3r/4rPp1/2PbR3/3Qq3

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Be6#
    • 1...Rb3
      • 2.Be6#
    • 1...Rc3
      • 2.Sb4#
      • 2.Be6#
    • 1...Rd3
      • 2.Be6#
    • 1...Rxf3
      • 2.Be6#
    • 1...Re6
      • 2.Bxe6#
    • 1...b5
      • 2.Rc5#
  • Tries
    • 1.Rc6?
      • threat
        • 2.Sxb6#
        • 2.Sc7#
      • 1...Rb3
        • 2.Sc7#
      • 1...Ba5
        • 2.Sxe3#
        • 2.Sc7#
      • 1...b5
        • 2.Sb6#
        • 2.Sc7#
        • 2.Rc5#
      • 1...Re8+!
  • Keys
    • 1.Kc7!
      • threat
        • 2.Sxb6#
      • 1...Kxc4
        • 2.Kd6#
      • 1...Rb3
        • 2.Be6#
      • 1...Rc3
        • 2.Be6#
      • 1...Re6
        • 2.Bxe6#
      • 1...Ba5
        • 2.Sxe3#
      • 1...b5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::B(G)
    • R(c);N_GUARD,XP(D)::B(G)
    • R(c);N_GUARD::B(G),XR(c)
    • P(h);N_GUARD::R1(J)
  • Tries
    • Try
      • R(J);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);::S(F)
      • Refutation
        • R(c);CHECK
  • Actual
    • K(I);S_FLIGHT
    • Threat
      • S(E),XP(h)
    • Vars
      • K(g);S_FLIGHT,XS(E)::R(J)+K(I)
      • R(c);N_GUARD::B(G)
      • R(c);N_GUARD,P_PINS(E)::B(G)
      • R(c);N_GUARD::B(G),XR(c)
      • B(b);N_GUARD,P_SPINP(e)::S(E),XR(c)
      • P(h);::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).