MESON Chess Problem Database

Problem Display
PID: 173921 (8/5B2/4p1p1/N1nk2P1/3pp2b/1rp2Q1K/NnbR1pPB/2R5 w - - 0 1)

Stan, Mihail

Revista de Sah, 1964

8/5B2/4p1p1/N1nk2P1/3pp2b/1rp2Q1K/NnbR1pPB/2R5

#2

10 + 12

15202 Componist 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Sb4#
    • 1...Rb4
      • 2.Sxc3#
      • 2.Sxb4#
    • 1...Rb5
      • 2.Sxc3#
    • 1...Rb6
      • 2.Sxc3#
    • 1...Rb7
      • 2.Sxc3#
    • 1...Rb8
      • 2.Sxc3#
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Rxd4#
      • 1...Rxc3+
        • 2.Sxc3#
      • 1...Bg3
        • 2.Qxd4#
      • 1...Rb4
        • 2.Sxb4#
      • 1...Bd3
        • 2.Qxc5#
      • 1...Sbd3
        • 2.Qc4#
      • 1...Scd3
        • 2.Qc6#
      • 1...d3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 5
  • Sets
    • R(d);N_GUARD::S(B)
    • R(d);N_GUARD::S(B),XP(e)
  • Actual
    • Q(F);P_SPINQ(F),XP(e)
    • Threat
      • R1(C),XP(f)
    • Vars
      • R(d);CHECK,XQ(F)::S(B),XR(d)
      • B(h);N_PINQ(F)::QAR1(F),XP(f)
      • R(d);N_GUARD,N_PINQ(F)::S(B),XR(d)
      • B(b);N_PINQ(F),N_SPINP(f),P_SPINP(k)::QAR1(F),XS(i)
      • S(a);N_PINQ(F),N_SPINP(f),P_SPINP(k)::QAB1(F)
      • S(i);N_PINQ(F),N_SPINP(f),P_SPINP(k)::QAB1(F)
      • P(f);N_PINQ(F)::QAR1(F)
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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).