Problem Display
PID: 151963 (8/Bp1N4/rrb1Q1K1/n7/2Bkp3/1p3p2/3P4/8 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1936

8/Bp1N4/rrb1Q1K1/n7/2Bkp3/1p3p2/3P4/8

#2

6 + 9


15256 TRD Scrapbook 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Be2?
      • threat
        • 2.Qe5#
      • 1...Bxd7
        • 2.Qd6#
      • 1...Ba4
        • 2.Qd6#
      • 1...Bb5
        • 2.Qd6#
      • 1...Bd5
        • 2.Qf6#
      • 1...Sc4
        • 2.Qxc4#
      • 1...fxe2!
    • 1.Bb5?
      • threat
        • 2.Qe5#
      • 1...Bxd7
        • 2.Qd6#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Bd5
        • 2.Qf6#
      • 1...Bxb5!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Qe5#
      • 1...Bxd7
        • 2.Qd6#
      • 1...Ba4
        • 2.Qd6#
      • 1...Bb5
        • 2.Qd6#
      • 1...Bd5
        • 2.Qf6#
      • 1...Sc4
        • 2.Qxc4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • B(h);N_GUARD,P_PINQ(C),XS(F)::QAR2(C)
        • B(h);N_GUARD,P_PINQ(C)::QAR2(C)
        • B(h);P_PINQ(C),SBLOCK::QAB(C)
        • S(e);N_GUARD::QAR1(C),XS(e)
      • Refutation
        • P(b);XB(B)
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • B(h);N_GUARD,P_PINQ(C),XS(F)::QAR2(C)
        • S(e);N_GUARD::QAR1(C),XS(e)
        • B(h);P_PINQ(C),SBLOCK::QAB(C)
      • Refutation
        • B(h);P_PINQ(C),XB(B)
  • Actual
    • B(B);
    • Threat
      • QAB1(C)
    • Vars
      • B(h);N_GUARD,P_PINQ(C),XS(F)::QAR2(C)
      • B(h);N_GUARD,P_PINQ(C)::QAR2(C)
      • B(h);P_PINQ(C),SBLOCK::QAB(C)
      • S(e);N_GUARD::QAR1(C),XS(e)


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).