MESON Chess Problem Database

Problem Display
PID: 11075 (8/B2Npn2/p4p2/5Q2/Bbk1rp1K/2p5/1r1pP3/1N5b w - - 0 1)

Tucker, Frederick G

Chess, 1936

8/B2Npn2/p4p2/5Q2/Bbk1rp1K/2p5/1r1pP3/1N5b

#2

7 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sb6#
    • 1...Re5
      • 2.Qd3#
    • 1...Re6
      • 2.Qd3#
    • 1...Ba5
      • 2.Qc5#
    • 1...Bc5
      • 2.Qxc5#
    • 1...Se5
      • 2.Qe6#
    • 1...f3+
      • 2.Qxe4#
    • 1...a5
      • 2.Qb5#
    • 1...e5
      • 2.Qe6#
  • Tries
    • 1.Se5+?
      • 1...Rxe5
        • 2.Qd3#
      • 1...Sxe5
        • 2.Qe6#
      • 1...fxe5
        • 2.Qe6#
      • 1...Kd5!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Sb6#
      • 1...f3+
        • 2.Qxe4#
      • 1...Bxc5
        • 2.Qxc5#
      • 1...Re5
        • 2.Qd3#
      • 1...Se5
        • 2.Qe6#
      • 1...e5
        • 2.Qe6#
      • 1...Re6
        • 2.Qd3#
      • 1...Ba3
        • 2.Sxa3#
      • 1...Ba5
        • 2.Sa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(g);SBLOCK::S(G)
    • R(g);OGATE::QAB1(E)
    • B(e);N_GUARD::QAR1(E)
    • B(e);N_GUARD::QAR1(E),XB(e)
    • S(l);S_CUTR(g)::QAB(E)
    • P(h);CHECK,S_CUTB(a)::QAR2(E),XR(g)
    • P(i);N_GUARD::QAB1(E)
    • P(k);S_CUTR(g)::QAB(E)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • R(g);OGATE,XS(G)::QAB1(E)
        • S(l);XS(G)::QAB(E)
        • P(j);XS(G)::QAB(E)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • B(F);
    • Threat
      • S(G)
    • Vars
      • P(h);CHECK,S_CUTB(a)::QAR2(E),XR(g)
      • B(e);OGATE,XB(F)::QAR1(E),XB(e)
      • R(g);OGATE::QAB1(E)
      • S(l);S_CUTR(g)::QAB(E)
      • P(k);S_CUTR(g)::QAB(E)
      • B(e);N_GUARD::S(A),XB(e)
      • B(e);N_GUARD::S(A)
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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).