MESON Chess Problem Database

Problem Display
PID: 79940 (3K4/1p6/3k2n1/3B1Pp1/2R2N2/1N1n2Q1/1B6/3r3R w - - 0 1)

Savournin, Jacques

Comm., diagrammes, 1982

3K4/1p6/3k2n1/3B1Pp1/2R2N2/1N1n2Q1/1B6/3r3R

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sde5
      • 2.Ba3#
    • 1...b5
      • 2.Rc6#
    • 1...b6
      • 2.Rc6#
  • Keys
    • 1.Bxb7!
      • threat
        • 2.Rc6#
      • 1...Sxb2
        • 2.Sxg6#
      • 1...Sdxf4
        • 2.Rxd1#
      • 1...Sgxf4
        • 2.Rh6#
      • 1...gxf4
        • 2.Qxg6#
      • 1...Rc1
        • 2.Qxd3#
      • 1...Sb4
        • 2.Sxg6#
      • 1...Sc5
        • 2.Sxg6#
      • 1...Sde5
        • 2.Ba3#
      • 1...Sge5
        • 2.Rd4#
      • 1...Se7
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD,SBLOCK::B(B)
    • P(f);N_GUARD::R1(E)
  • Actual
    • B(G);XP(f)
    • Threat
      • R1(E)
    • Vars
      • S(b);N_GUARD,XB(B)::QAB(D)+S(F),XS(e)
      • S(b);OGATEB,P_SPINS(b),XS(F)::R(A),XR(a)
      • S(e);OGATEB,P_SPINS(e),XS(F)::R(A)
      • P(c);OGATE,P_SPINP(c),XS(F)::QAR(D),XS(e)
      • R(a);N_GUARD::QAR(D),XS(b)
      • S(b);N_GUARD::QAB(D)+S(F),XS(e)
      • S(b);N_GUARD,SBLOCK::B(B)
      • S(e);SBLOCK::R(E)
      • S(e);N_GUARD::QAB(D)+S(F),XS(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).