MESON Chess Problem Database

Problem Display
PID: 258245 (8/8/2ppPQ2/2Pkq1p1/1P3RP1/3KpP2/1pN1Np2/8 w - - 0 1)

Chicco, Adriano

Probleemblad, 1948

8/8/2ppPQ2/2Pkq1p1/1P3RP1/3KpP2/1pN1Np2/8

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3+
      • 2.Sxc3#
    • 1...Qd4+
      • 2.Rxd4#
    • 1...Qxf4
      • 2.Sc3#
    • 1...Qe4+
      • 2.fxe4#
    • 1...Qf5+
      • 2.Rxf5#
      • 2.Qxf5#
    • 1...Qxe6
      • 2.Sc3#
      • 2.Rd4#
      • 2.Qd4#
  • Keys
    • 1.Rf5!
      • threat
        • 2.Sxe3#
        • 2.Sc3#
      • 1...Qxf5+
        • 2.Qxf5#
      • 1...dxc5
        • 2.Qxe5#
      • 1...b1Q
        • 2.Sc3#
      • 1...b1S
        • 2.Sxe3#
      • 1...b1B
        • 2.Sc3#
      • 1...f1Q
        • 2.Sxe3#
      • 1...f1S
        • 2.Sc3#
      • 1...f1B
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 4
  • Sets
    • Q(e);CHECK,N_GUARD::S(B),XQ(e)
    • Q(e);CHECK,N_GUARD::R1(F),XQ(e)
    • Q(e);N_GUARD,XR(F)::S(B)
    • Q(e);CHECK,OGATE::P(D),XQ(e)
  • Actual
    • R(F);P_PINQ(e)
    • Threat
      • DUALS(2)
    • Vars
      • Q(e);CHECK,N_SPINQ(e),OGATE,XR(F)::QAR2(J),XQ(e)
      • P(h);N_GUARD,XP(H)::QAR1(J),XQ(e)
      • P(a);P_PINS(A)::S(B)
      • P(a);::S(A),XP(c)
      • P(b);P_PINS(B)::S(A),XP(c)
      • P(b);::S(B)
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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).