MESON Chess Problem Database

Problem Display
PID: 51327 (R7/K2k1nRr/1Pp3NP/pr1n2P1/N7/b5BP/Q1p1PPB1/7q w - - 0 1)

Baxter, FL

Manchester Guardian, 1957

R7/K2k1nRr/1Pp3NP/pr1n2P1/N7/b5BP/Q1p1PPB1/7q

#2

14 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qxh3
      • 2.Bxh3#
    • 1...Rb4
      • 2.Sc5#
    • 1...Sb4
      • 2.Qxf7#
    • 1...Se7
      • 2.Sf8#
    • 1...c5
      • 2.Qxd5#
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qg4#
      • 1...Ke6
        • 2.Qg4#
      • 1...Qxh3
        • 2.Bxh3#
      • 1...Sxb6
        • 2.Qxc6#
      • 1...c5
        • 2.Qxd5#
      • 1...Rb4
        • 2.Sc5#
      • 1...Sc3
        • 2.Qxc6#
      • 1...Se3
        • 2.Qxc6#
      • 1...Sb4
        • 2.Qxf7#
      • 1...Sf4
        • 2.Qxc6#
      • 1...Sf6
        • 2.Qxc6#
      • 1...Sc7
        • 2.Qxc6#
      • 1...Se7
        • 2.Sf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • Q(a);OGATE,XP(F)::B(D),XQ(a)
    • R(e);N_GUARD,S_CUTB(c)::S(G)
    • S(f);OGATE::QAR2(A),XS(i)
    • S(f);N_SPINS(i),SBLOCK,S_CUTB(c)::S(J)
    • P(g);N_GUARD,S_CUTB(c),S_CUTR(e)::QAR2(A),XS(f)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • K(h);N_SPINS(i),P_SPINS(f),S_FLIGHT::QAB(A)
      • Q(a);OGATE,XP(F)::B(D),XQ(a)
      • S(f);XP(I)::QAB1(A),XP(g)
      • P(g);N_GUARD,S_CUTB(c),S_CUTR(e)::QAR2(A),XS(f)
      • R(e);N_GUARD,S_CUTB(c)::S(G)
      • S(f);::QAB1(A),XP(g)
      • S(f);OGATE::QAR2(A),XS(i)
      • S(f);N_SPINS(i),SBLOCK,S_CUTB(c)::S(J)
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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).