MESON Chess Problem Database

Problem Display
PID: 240139 (6B1/5qp1/1BprQ3/4b3/2Ppkn1N/6Pp/2PR3P/3N2Kb w - - 0 1)

Zilahi, Zoltan

L'Italia Scacchistica, 1951

6B1/5qp1/1BprQ3/4b3/2Ppkn1N/6Pp/2PR3P/3N2Kb

#2

11 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qe8
      • 2.Qf5#
    • 1...Qxg8
      • 2.Qf5#
    • 1...Qf5
      • 2.Qxf5#
    • 1...Qa7
      • 2.Qf5#
    • 1...Qb7
      • 2.Qf5#
    • 1...Qc7
      • 2.Qf5#
    • 1...Qe7
      • 2.Qf5#
    • 1...Se2+
      • 2.Rxe2#
    • 1...Sd3
      • 2.Re2#
      • 2.cxd3#
    • 1...Sd5
      • 2.Rxd4#
    • 1...Sh5
      • 2.Re2#
    • 1...Sxe6
      • 2.Re2#
    • 1...Sg6
      • 2.Re2#
    • 1...d3
      • 2.Sf2#
      • 2.Sc3#
  • Keys
    • 1.Qg4!
      • threat
        • 2.Re2#
      • 1...Qxc4
        • 2.Qf5#
      • 1...Bf3
        • 2.Qxf3#
      • 1...d3
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 12
  • Sets
    • Q(i);N_GUARD::QAB1(J)
    • Q(i);N_GUARD,XB(K)::QAB1(J)
    • Q(i);N_GUARD::QAB1(J),XQ(i)
    • S(e);CHECK,N_GUARD::R(D),XS(e)
    • S(e);S_CUTR(h)::R1(D),XP(c)
    • S(e);N_GUARD::R(D)
    • S(e);N_GUARD,N_SPINB(f),XQ(J)::R(D)
  • Actual
    • Q(J);N_PINB(f),P_PINS(e)
    • Threat
      • R(D)
    • Vars
      • Q(i);N_GUARD,XP(G)::QAB1(J)
      • B(a);N_GUARD::QAB1(J),XB(a)
      • P(c);::S(A)
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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).