MESON Chess Problem Database

Problem Display
PID: 66009 (K2Q4/3N4/3b4/1Pnk4/4R1n1/2P5/2b3P1/8 w - - 0 1)

Gold, Samuel

Tijdschrift vd NSB, 1896

K2Q4/3N4/3b4/1Pnk4/4R1n1/2P5/2b3P1/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sf6#
    • 1...Bg3
      • 2.Sf6#
    • 1...Bf4
      • 2.Sf6#
    • 1...Bc7
      • 2.Sf6#
    • 1...Be7
      • 2.Sf6#
    • 1...Bb8
      • 2.Sf6#
    • 1...Bf8
      • 2.Sf6#
    • 1...Sf2
      • 2.Sf6#
    • 1...Sh2
      • 2.Sf6#
    • 1...Se3
      • 2.Sf6#
    • 1...Sf6
      • 2.Sxf6#
    • 1...Sh6
      • 2.Sf6#
    • 1...Sxe4
      • 2.Qg8#
  • Tries
    • 1.Qg8+?
      • 1...Se6
        • 2.Rd4#
        • 2.Qxe6#
      • 1...Kxe4!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Rd4#
        • 2.Qd4#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Bxe4
        • 2.Sb6#
      • 1...Sxf6
        • 2.Sxf6#
      • 1...Sxe4
        • 2.Qf7#
      • 1...Sxd7
        • 2.Qd4#
      • 1...Be5
        • 2.Qc6#
      • 1...Se5
        • 2.Rd4#
      • 1...Sb3
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 11
  • Sets
    • B(e);::QAR(G)+S(E),DCHECK
    • S(b);N_GUARD::S(E)
    • S(b);N_GUARD::S(E),XS(b)
    • S(c);N_GUARD,SBLOCK,XR(C)::QAB(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Refutation
        • K(d);S_FLIGHT,XR(C)
  • Actual
    • Q(G);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(C)::QAB1(G)
      • B(a);SBLOCK,XR(C)::S(E)
      • S(b);XQ(G)::S(E),XS(b)
      • S(c);N_GUARD,SBLOCK,XR(C)::QAB(G)
      • S(c);XS(E)::QAR1(G)
      • B(e);OGATE::QAB1(G)
      • S(b);::R1(C)
      • S(c);N_GUARD::QAB1(G)
      • S(c);N_GUARD::QAB1(G),XS(c)
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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).