MESON Chess Problem Database

Problem Display
PID: 80151 (8/n3p3/1Q1prb1q/2PkN1r1/4p3/1PP5/1K3RN1/8 w - - 0 1)

Casa, Alex

Nice-Matin, 1970

8/n3p3/1Q1prb1q/2PkN1r1/4p3/1PP5/1K3RN1/8

#2

8 + 9

133 The Problemist Supplement 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Sf4#
    • 1...Bxe5
      • 2.Se3#
    • 1...dxe5
      • 2.Se3#
      • 2.Rd2#
  • Keys
    • 1.c6!
      • threat
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Rgxe5
        • 2.c4#
      • 1...Rexe5
        • 2.Sf4#
      • 1...Bxe5
        • 2.Se3#
      • 1...Sxc6
        • 2.Qb5#
      • 1...dxe5
        • 2.Rd2#
      • 1...Sb5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK,XS(G)::S(C)
    • B(f);P_PINP(E),SBLOCK,XS(G)::S(C)
  • Actual
    • P(F);
    • Threat
      • QAR1(H)
    • Vars
      • K(b);P-FLIGHT,XS(G)::QAB1(H)
      • R(c);SBLOCK,XS(G)::P(E)
      • R(e);SBLOCK,XS(G)::S(C)
      • B(f);P_PINP(E),SBLOCK,XS(G)::S(C)
      • S(h);N_GUARD,XP(F)::QAR2(H)
      • P(d);SBLOCK,XS(G)::R(B)
      • S(h);N_GUARD::QAR2(H),XS(h)
HTML5 logo

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).