MESON Chess Problem Database

Problem Display
PID: 143660 (4K1Q1/P5p1/1pB3Pb/1R1NkN1P/5p2/1P6/qpp1r1P1/nrn2b2 w - - 0 1)

Gamage, Frederick

Checkmate, 1904

4K1Q1/P5p1/1pB3Pb/1R1NkN1P/5p2/1P6/qpp1r1P1/nrn2b2

#2

11 + 13

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sb4#
  • Keys
    • 1.Ke7!
      • threat
        • 2.Sc3#
        • 2.Sde3#
        • 2.Sb4#
        • 2.Sxb6#
        • 2.Sf6#
        • 2.Sc7#
        • 2.Qe6#
      • 1...Kxf5+
        • 2.Se3#
      • 1...Qa3+
        • 2.Sb4#
      • 1...Qxa7+
        • 2.Sc7#
      • 1...Bg5+
        • 2.Sf6#
      • 1...Ke4
        • 2.Sb4#
      • 1...Qxb3
        • 2.Qe6#
      • 1...Rxg2
        • 2.Qe6#
      • 1...Bxg2
        • 2.Qe6#
      • 1...Saxb3
        • 2.Qe6#
      • 1...Scxb3
        • 2.Qe6#
      • 1...Qa4
        • 2.Qe6#
      • 1...Qa5
        • 2.Qe6#
      • 1...Qa6
        • 2.Qe6#
      • 1...Re1
        • 2.Qe6#
      • 1...Rd2
        • 2.Qe6#
      • 1...Rf2
        • 2.Qe6#
      • 1...Re3
        • 2.Qe6#
      • 1...Re4
        • 2.Qe6#
      • 1...Sd3
        • 2.Qe6#
      • 1...f3
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 19
    • REMOVED MATES = 0
  • Sets
    • K(j);P-FLIGHT::B(G)+S(D)
  • Actual
    • K(J);P-FLIGHT
    • Threat
      • DUALS(7)
    • Vars
      • K(j);CHECK,P-FLIGHT,XS(E)::R(C)+S(D),DCHECK
      • Q(e);CHECK::R(C)+S(D)
      • Q(e);CHECK,XP(I)::R(C)+S(D)
      • B(l);CHECK::R(C)+S(D)
      • K(j);P-FLIGHT::B(G)+S(D)
      • Q(e);XP(B)::QAR1(K)
      • R(h);XP(A)::QAR1(K)
      • B(d);XP(A)::QAR1(K)
      • S(a);XP(B)::QAR1(K)
      • S(c);XP(B)::QAR1(K)
      • Q(e);::QAR1(K)
      • R(h);::QAR1(K)
      • R(h);SBLOCK::QAR1(K)
      • S(c);::QAR1(K)
      • P(i);::QAR1(K)
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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).