MESON Chess Problem Database

Problem Display
PID: 2770 (1B5K/1B3P2/1N1rp3/4kb2/RNp3pP/3pr1p1/3Q1nP1/5R2 w - - 0 1)

Wainwright, Joseph CJ

Source?, 0000

1B5K/1B3P2/1N1rp3/4kb2/RNp3pP/3pr1p1/3Q1nP1/5R2

#2

11 + 10

58 Tijdschrift vd NSB 1896
2794 Terms & Themes of Chess Problems 1907
20 De Problemist 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Sh1
      • 2.Qc3#
    • 1...Sh3
      • 2.Qc3#
  • Tries
    • 1.Sd7+?
      • 1...Kd4
        • 2.Sc2#
      • 1...Kf4!
  • Keys
    • 1.f8Q!
      • 1...Kd4
        • 2.Qxd6#
      • 1...Kf4
        • 2.Sxd3#
      • 1...Re1
        • 2.Qg7#
      • 1...Re2
        • 2.Qg7#
      • 1...Rf3
        • 2.Qg7#
      • 1...Re4
        • 2.Sc6#
        • 2.Qg7#
      • 1...Be4
        • 2.Qc3#
      • 1...Bg6
        • 2.Qc3#
      • 1...Bh7
        • 2.Qc3#
      • 1...Sd1
        • 2.Qg7#
      • 1...Sh1
        • 2.Qc3#
        • 2.Qg7#
      • 1...Sh3
        • 2.Qc3#
        • 2.Qg7#
      • 1...Se4
        • 2.Sc6#
      • 1...c3
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 2
  • Sets
    • S(a);::QAB(B)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(g);N_SPINR(i),P_SPINP(b),S_FLIGHT::S(E)
      • Refutation
        • K(g);N_SPINR(i),P_SPINR(c),P_SPINS(a),S_FLIGHT
  • Actual
    • P(I);
    • Vars
      • K(g);N_SPINR(i),P_SPINP(b),S_FLIGHT::QAR2(I),XR(i)
      • K(g);N_SPINR(i),P_SPINB(h),P_SPINR(c),P_SPINS(a),S_FLIGHT::S(E),XP(b)
      • R(c);::QAB(I)
      • B(h);::QAB(B)
      • S(a);::QAB(I)
      • S(a);SBLOCK::S(E)
      • P(e);::S(E)
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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).