MESON Chess Problem Database

Problem Display
PID: 39972 (3N1R2/r7/pR1PPNp1/P3kqpp/KB6/2Pp1Q1B/4n3/7b w - - 0 1)

Lindner, Laszlo

Western Morning News and Daily Gazette, 1934

3N1R2/r7/pR1PPNp1/P3kqpp/KB6/2Pp1Q1B/4n3/7b

#2

12 + 10

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Sc6#
    • 1...Qf4
      • 2.Sc6#
    • 1...Qxf6
      • 2.Sc6#
    • 1...Rd7
      • 2.Sxd7#
    • 1...Ra8
      • 2.Sd7#
    • 1...Sxc3+
      • 2.Bxc3#
  • Tries
    • 1.Qe3+?
      • 1...Qe4
        • 2.Sc6#
      • 1...Be4!
  • Keys
    • 1.d7!
      • threat
        • 2.Bd6#
      • 1...Sxc3+
        • 2.Bxc3#
      • 1...Qxe6
        • 2.Rxe6#
      • 1...Rxd7
        • 2.Sxd7#
      • 1...Qe4
        • 2.Sf7#
      • 1...Qg4
        • 2.Sf7#
      • 1...Qf4
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(e);XP(I)::S(K)
    • Q(e);P_PINB(E)::S(K)
    • Q(e);XS(J)::S(K)
    • R(j);N_GUARD::S(J),XR(j)
    • R(j);N_GUARD::S(J)
    • S(b);CHECK,OGATE,XP(A)::B(E),XS(b)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • Q(e);P_PINB(E),P_SPINQ(e)::S(K)
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • P(H);
    • Threat
      • B(E)
    • Vars
      • S(b);CHECK,OGATE,XP(A)::B(E),XS(b)
      • Q(e);OGATE,XP(I)::R1(G),XQ(e)
      • R(j);XP(H)::S(J),XR(j)
      • Q(e);P_PINB(E)::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).