MESON Chess Problem Database

Problem Display
PID: 63406 (1n2rQb1/K1pRp2q/6p1/1k3r2/1P1P4/2P5/1N5p/7B w - - 0 1)

Kapralos, Demetrius N

Siotis, Nikos

Sinfonie Scacchistiche, 1980

1n2rQb1/K1pRp2q/6p1/1k3r2/1P1P4/2P5/1N5p/7B

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Rb7#
    • 1...c6
      • 2.Rb7#
    • 1...e5
      • 2.Qc5#
    • 1...e6
      • 2.c4#
  • Keys
    • 1.Rxc7!
      • threat
        • 2.Rb7#
      • 1...Sc6+
        • 2.Bxc6#
      • 1...Rf3
        • 2.Rc5#
      • 1...Rd5
        • 2.Qf1#
      • 1...Rf6
        • 2.Rc5#
      • 1...Bd5
        • 2.Rc5#
      • 1...Sd7
        • 2.Bc6#
      • 1...e5
        • 2.Qc5#
      • 1...e6
        • 2.c4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • P(e);OGATE::R(G)
    • P(f);OGATE::QAR1(H)
    • P(f);S_CUTB(j)::P(C)
  • Actual
    • R(G);XP(e)
    • Threat
      • R(G)
    • Vars
      • S(h);CHECK,N_GUARD::B(A),XS(h)
      • R(c);N_GUARD::R1(G)
      • R(c);OGATE::QAB(H)
      • B(j);S_CUTR(c)::R1(G)
      • S(h);N_GUARD::B(A)
      • P(f);OGATE,P_PINR(G)::QAR1(H)
      • P(f);P_PINR(G),S_CUTB(j)::P(C)
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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).