MESON Chess Problem Database

Problem Display
PID: 210175 (3K4/B2Q4/1nP1p3/4p3/p1p1k1P1/P2n2pN/R2p1bP1/3N1R2 w - - 0 1)

Petite, Efren

Springaren, 1988

3K4/B2Q4/1nP1p3/4p3/p1p1k1P1/P2n2pN/R2p1bP1/3N1R2

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Sg5#
    • 1...Bg1
      • 2.Sg5#
    • 1...Be3
      • 2.Sc3#
    • 1...Bd4
      • 2.Sg5#
    • 1...Bc5
      • 2.Sg5#
    • 1...Sf4
      • 2.Sg5#
    • 1...Sd5
      • 2.Qh7#
    • 1...Sxd7
      • 2.Sc3#
    • 1...Sa8
      • 2.Sc3#
    • 1...Sc8
      • 2.Sc3#
  • Keys
    • 1.Rxd2!
      • 1...Sxd7
        • 2.Sc3#
      • 1...Sc1
        • 2.Qh7#
      • 1...Be1
        • 2.Sg5#
        • 2.Re2#
      • 1...Bg1
        • 2.Sg5#
      • 1...Be3
        • 2.Sc3#
      • 1...Bd4
        • 2.Sg5#
      • 1...Bc5
        • 2.Sg5#
      • 1...Se1
        • 2.Qh7#
      • 1...Sb2
        • 2.Qh7#
      • 1...Sb4
        • 2.Qh7#
      • 1...Sf4
        • 2.Sg5#
      • 1...Sc5
        • 2.Qh7#
      • 1...Sd5
        • 2.Qh7#
      • 1...Sa8
        • 2.Sc3#
      • 1...Sc8
        • 2.Sc3#
      • 1...c3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(b);::S(F)
    • B(b);SBLOCK::S(A)
    • S(c);SBLOCK::S(F)
    • S(i);SBLOCK::QAB(J)
    • S(i);XQ(J)::S(A)
    • S(i);::S(A)
  • Actual
    • R(C);XP(a)
    • Vars
      • S(i);XQ(J)::S(A)
      • S(c);::QAB(J)
      • B(b);::S(F)
      • B(b);SBLOCK::S(A)
      • S(c);SBLOCK::S(F)
      • S(i);SBLOCK::QAB(J)
      • S(i);::S(A)
      • P(f);N_GUARD::QAB1(J),XS(c)
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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).