MESON Chess Problem Database

Problem Display
PID: 39184 (8/3p4/8/4N1pr/4p3/3pk1Pn/1Q3pR1/2Kb3N w - - 0 1)

Lindner, Laszlo

Pesti Naplo, 1932

8/3p4/8/4N1pr/4p3/3pk1Pn/1Q3pR1/2Kb3N

#2

6 + 9

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Qb6#
    • 1...Bf3
      • 2.Sc4#
    • 1...Sg1
      • 2.Qxf2#
    • 1...Sf4
      • 2.Qxf2#
    • 1...f1Q
      • 2.Qb6#
    • 1...f1S
      • 2.Qb6#
    • 1...f1B
      • 2.Qb6#
    • 1...f1R
      • 2.Qb6#
    • 1...d2+
      • 2.Qxd2#
  • Tries
    • 1.Rxf2?
      • threat
        • 2.Sc4#
        • 2.Qb6#
      • 1...d2+
        • 2.Qxd2#
      • 1...Sxf2
        • 2.Qxf2#
      • 1...Rh6
        • 2.Sc4#
      • 1...Bb3
        • 2.Sg4#
      • 1...d5!
  • Keys
    • 1.Sxf2!
      • threat
        • 2.Sxd1#
      • 1...d2+
        • 2.Qxd2#
      • 1...Sxf2
        • 2.Qxf2#
      • 1...Bc2
        • 2.Sfg4#
      • 1...Be2
        • 2.Qb6#
      • 1...Bb3
        • 2.Sfg4#
      • 1...Bf3
        • 2.Sc4#
      • 1...Ba4
        • 2.Sfg4#
      • 1...Bg4
        • 2.Sfxg4#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • B(a);SBLOCK::QAB(C)
    • B(a);SBLOCK::S(F)
    • S(e);N_GUARD::QAB1(C),XP(b)
    • P(b);::QAB(C)
    • P(c);CHECK::QAB1(C),XP(c)
  • Tries
    • Try
      • R(D);XP(b)
      • Threat
        • DUALS(2)
      • Vars
        • P(c);CHECK::QAB1(C),XP(c)
        • S(e);OGATE,XR(D)::QAB1(C),XS(e)
        • R(h);::S(F)
        • B(a);N_GUARD::S(F)
      • Refutation
        • P(i);
  • Actual
    • S(B);XP(b)
    • Threat
      • S(B),XB(a)
    • Vars
      • P(c);CHECK::QAB1(C),XP(c)
      • S(e);OGATE,XS(B)::QAB1(C),XS(e)
      • B(a);N_GUARD::S(B)
      • B(a);SBLOCK::QAB(C)
      • B(a);SBLOCK::S(F)
      • B(a);N_GUARD::S(B),XB(a)
HTML5 logo

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).