MESON Chess Problem Database

Problem Display
PID: 166841 (2N2B2/3B4/1P6/P2kp3/KPn1p3/2P1P3/Q2P4/5N2 w - - 0 1)

Petite, Efren

Arbejder-Skak, 1955

2N2B2/3B4/1P6/P2kp3/KPn1p3/2P1P3/Q2P4/5N2

#2

12 + 4

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Kb3!
      • 1...Sxd2+
        • 2.Qxd2#
      • 1...Sxa5+
        • 2.Qxa5#
      • 1...Sxe3
        • 2.Sxe3#
      • 1...Sxb6
        • 2.Sxb6#
      • 1...Sb2
        • 2.Kxb2#
      • 1...Sa3
        • 2.Kxa3#
      • 1...Sd6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(F);N_PINS(a),S_FLIGHT
    • Vars
      • S(a);CHECK,OGATE,XP(C)::QAR(B),XS(a)
      • S(a);CHECK,OGATE,XP(H)::QAR(B),XS(a)
      • S(a);XP(E)::S(A),XS(a)
      • S(a);XP(I)::S(K),XS(a)
      • S(a);::QAB(B)+K(F),XS(a)
      • S(a);SBLOCK::S(K)
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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).