MESON Chess Problem Database

Problem Display
PID: 39817 (1Kn5/1Q2p3/P2k4/RnN1q1Rr/2P5/1rP1Bp1b/8/8 w - - 0 1)

Lindner, Laszlo

The Problemist, 1935

1Kn5/1Q2p3/P2k4/RnN1q1Rr/2P5/1rP1Bp1b/8/8

#2

9 + 9

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qh2
      • 2.Qd5#
    • 1...Qxc3
      • 2.Qd5#
    • 1...Qg3
      • 2.Qd5#
    • 1...Qf4
      • 2.Qd5#
    • 1...Qf6
      • 2.Qd5#
    • 1...Qg7
      • 2.Qd5#
    • 1...Qh8
      • 2.Qd5#
    • 1...Qxe3
      • 2.Qd5#
    • 1...Qd5
      • 2.Qxd5#
    • 1...Bf1
      • 2.Qd7#
    • 1...Bg2
      • 2.Qd7#
    • 1...Bd7
      • 2.Qxd7#
    • 1...Sb6
      • 2.Qxb6#
    • 1...e6
      • 2.Qd7#
  • Keys
    • 1.Bf4!
      • threat
        • 2.Qd5#
      • 1...Kxc5+
        • 2.Qc7#
      • 1...Sxc3
        • 2.Bxe5#
      • 1...Be6
        • 2.Se4#
      • 1...Sa3
        • 2.Bxe5#
      • 1...Sd4
        • 2.Bxe5#
      • 1...Sba7
        • 2.Bxe5#
      • 1...Sc7
        • 2.Bxe5#
      • 1...Sb6
        • 2.Qxb6#
      • 1...e6
        • 2.Se4#

This is a version of 191607

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 12
  • Sets
    • Q(e);N_GUARD::QAR1(H)
    • Q(e);N_GUARD,XP(A)::QAR1(H)
    • Q(e);N_GUARD,XB(B)::QAR1(H)
    • Q(e);N_GUARD::QAR1(H),XQ(e)
    • B(c);N_GUARD::QAR1(H)
    • B(c);N_GUARD::QAR1(H),XB(c)
    • S(i);N_GUARD::QAR2(H),XS(i)
    • P(h);S_CUTB(c)::QAR1(H)
  • Actual
    • B(B);P_PINQ(e)
    • Threat
      • QAR1(H)
    • Vars
      • K(g);CHECK,P_SPINS(d),S_FLIGHT,XS(E)::QAR2(H)
      • S(d);P_PINQ(H),XP(A)::B(B),XQ(e)
      • B(c);SBLOCK::S(E)
      • S(d);P_PINQ(H)::B(B),XQ(e)
      • S(i);N_GUARD::QAR2(H),XS(i)
      • P(h);SBLOCK::S(E)
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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).