MESON Chess Problem Database

Problem Display
PID: 71708 (3R4/3b4/3n4/5B2/r3P1QR/N2kN2K/3Pp3/4B3 w - - 0 1)

Gavrilov, Constantin Grigorievich

Revista Romana de Sah, 1935

3R4/3b4/3n4/5B2/r3P1QR/N2kN2K/3Pp3/4B3

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.e5#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Sec2#
      • 1...Bxf5+
        • 2.Sxf5#
      • 1...Kd4
        • 2.Qxd6#
      • 1...Rxa3
        • 2.Qxd6#
      • 1...Sxf5
        • 2.Sxf5#
      • 1...Sc4
        • 2.e5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD,P_SPINB(e),S_CUTR(c)::B(I)+P(F)
  • Actual
    • Q(G);P_SPINB(I)
    • Threat
      • QAR(G)+S(D)
    • Vars
      • B(e);CHECK,P_SPINS(d),XB(I)::QAR(G)+S(D),XB(e)
      • K(b);P-FLIGHT::QAR2(G),XS(d)
      • R(c);N_GUARD,XS(C)::QAR(G),XS(d)
      • S(d);P_SPINB(e),XB(I)::QAR(G)+S(D),XS(d)
      • S(d);N_GUARD,P_SPINB(e),S_CUTR(c)::B(I)+P(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).