MESON Chess Problem Database

Problem Display
PID: 96723 (8/3R4/8/1nbpQb1r/5Kp1/nB1kN3/3p2R1/8 w - - 0 1)

Scott, TM

The Chess Problem, 1944

8/3R4/8/1nbpQb1r/5Kp1/nB1kN3/3p2R1/8

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe3+
      • 2.Qxe3#
    • 1...Sb1
      • 2.Bc2#
      • 2.Bc4#
    • 1...Sc2
      • 2.Bxc2#
      • 2.Bc4#
    • 1...Sc4
      • 2.Bc2#
      • 2.Bxc4#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Sb2#
      • 1...Be3+
        • 2.Qxe3#
      • 1...Bd4
        • 2.Qe2#
      • 1...Sd4
        • 2.Qe3#
      • 1...d4
        • 2.Rg3#
        • 2.Qe2#
        • 2.Qe3#
      • 1...Sc4!
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Sb4#
      • 1...Be3+
        • 2.Qxe3#
      • 1...Bxd7
        • 2.Qe4#
      • 1...Bb4
        • 2.Sxb4#
        • 2.Rg3#
        • 2.Qe3#
      • 1...Bd4
        • 2.Qe2#
      • 1...Sd4
        • 2.Qe3#
      • 1...Sd6
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(f);CHECK,OGATE,XS(C)::QAR1(E),XB(f)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • B(f);CHECK,N_GUARD::QAR1(E),XB(f)
        • B(f);N_SPINP(g),SBLOCK::QAB1(E)
        • S(e);N_SPINP(g),S_CUTB(f)::QAR1(E)
      • Refutation
        • S(b);
  • Actual
    • S(C);XP(g)
    • Threat
      • R(F)+S(C),DCHECK
    • Vars
      • B(f);CHECK,N_GUARD::QAR1(E),XB(f)
      • B(h);N_GUARD,XR(F)::QAB1(E)
      • B(f);SBLOCK::QAB1(E)
      • S(e);S_CUTB(f)::QAR1(E)
      • S(e);N_GUARD::QAR1(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).