MESON Chess Problem Database

Problem Display
PID: 279307 (2R1N1K1/6B1/1p6/3knp2/b2P3Q/8/1b2B3/1q6 w - - 0 1)

Andersson, T

Probleemblad, 1955

2R1N1K1/6B1/1p6/3knp2/b2P3Q/8/1b2B3/1q6

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Bc4#
    • 1...Sc4
      • 2.Bxc4#
    • 1...Sg6
      • 2.Bc4#
    • 1...Sd7
      • 2.Bc4#
    • 1...Sf7
      • 2.Bc4#
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qxe5#
      • 1...Ke4
        • 2.Qxe5#
      • 1...Bxd4
        • 2.Sf6#
      • 1...Qe4
        • 2.Qd6#
      • 1...Sd3
        • 2.Bf3#
      • 1...Sf3
        • 2.Bc4#
      • 1...Sc4
        • 2.Bxc4#
      • 1...Sg4
        • 2.Bc4#
      • 1...Sc6
        • 2.Sc7#
      • 1...Sg6
        • 2.Bc4#
      • 1...Sd7
        • 2.Bc4#
      • 1...Sf7
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::B(A)
    • S(e);N_GUARD::B(A),XS(e)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C),XS(e)
    • Vars
      • K(d);P-FLIGHT,P_SPINS(e),XP(B)::QAB1(C),XS(e)
      • K(d);P_SPINS(e),S_FLIGHT::QAR1(C),XS(e)
      • B(b);SBLOCK,XP(B)::S(F)
      • Q(a);SBLOCK::QAR1(C)
      • S(e);N_GUARD,S_CUTQ(a)::B(A)
      • S(e);N_GUARD::B(A)
      • S(e);N_GUARD::B(A),XS(e)
      • S(e);SBLOCK::S(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).