MESON Chess Problem Database

Problem Display
PID: 43382 (1K4bB/3p3q/8/1Q2N1R1/R1p1kp2/3Np3/2rpp2b/1B6 w - - 0 1)

Eddy, Edwin John

6th Comm., BCF 039. Ty., 1941-1942

1K4bB/3p3q/8/1Q2N1R1/R1p1kp2/3Np3/2rpp2b/1B6

#2

8 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2+?
      • 1...Kd4
        • 2.Sf3#
        • 2.Sc6#
      • 1...exf2!
    • 1.Sc5+?
      • 1...Kd4
        • 2.Sf3#
        • 2.Sc6#
      • 1...Kd5!
  • Keys
    • 1.Sxc4!
      • threat
        • 2.Sxd2#
      • 1...f3+
        • 2.Sd6#
      • 1...Kxd3
        • 2.Sb2#
      • 1...Kf3
        • 2.Sce5#
      • 1...Rxc4
        • 2.Se1#
      • 1...Bxc4
        • 2.Qd5#
      • 1...d1Q
        • 2.Sd2#
      • 1...d1S
        • 2.Sd2#
      • 1...d1B
        • 2.Sd2#
      • 1...d1R
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK,P_PINR(a)
      • Refutation
        • P(e);XS(B)
    • Try
      • S(B);CHECK,P_PINR(a)
      • Refutation
        • K(g);N_SPINP(f),N_SPINR(a),S_FLIGHT
  • Actual
    • S(E);XP(f)
    • Threat
      • R(C)+S(E),DCHECK,XP(b)
    • Vars
      • P(h);CHECK,SBLOCK::R(C)+S(E),DCHECK
      • K(g);P_SPINR(a),S_FLIGHT,XS(B)::QAB(D)+S(E),DCHECK
      • K(g);S_FLIGHT::S(E)
      • R(a);P_SPINR(a),XS(E)::B(A)+S(B)
      • B(k);N_GUARD,P_SPINB(k),XS(E)::QAB1(D)
      • P(b);::R(C)+S(E),DCHECK
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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).