MESON Chess Problem Database

Problem Display
PID: 214768 (7Q/5Rn1/1B5b/5N2/8/3p4/1P1k3r/1KR5 w - - 0 1)

Wheeler, Charles Henry

Detroit Free Press, 1878

7Q/5Rn1/1B5b/5N2/8/3p4/1P1k3r/1KR5

#2

7 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Ba5#
    • 1...Bg5
      • 2.Qxh2#
  • Tries
    • 1.Qxh6+?
      • 1...Ke2
        • 2.Sg3#
        • 2.Sd4#
        • 2.Qe3#
      • 1...Rxh6!
  • Keys
    • 1.Sg3!
      • 1...Rh1
        • 2.Rf2#
      • 1...Re2
        • 2.Sf1#
      • 1...Rf2
        • 2.Rxf2#
      • 1...Rg2
        • 2.Qxh6#
      • 1...Rh3
        • 2.Rf2#
      • 1...Rh4
        • 2.Rf2#
      • 1...Rh5
        • 2.Rf2#
      • 1...Be3
        • 2.Ba5#
      • 1...Bf4
        • 2.Qxh2#
      • 1...Bg5
        • 2.Qxh2#
      • 1...Sf5
        • 2.Qc3#
      • 1...Sh5
        • 2.Qc3#
      • 1...Se6
        • 2.Qc3#
      • 1...Se8
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::B(E)
    • B(d);OGATE::QAR(G),XR(b)
  • Tries
    • Try
      • Q(G);CHECK,XB(d)
      • Refutation
        • R(b);XQ(G)
  • Actual
    • S(D);
    • Vars
      • R(b);N_GUARD,P_PINR(B)::R(F)
      • R(b);SBLOCK::S(D)
      • R(b);N_GUARD::R(F),XR(b)
      • R(b);N_GUARD::QAB(G),XB(d)
      • R(b);N_GUARD::R(F)
      • B(d);SBLOCK::B(E)
      • B(d);OGATE::QAR(G),XR(b)
      • S(e);OGATE::QAB1(G)
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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).