MESON Chess Problem Database

Problem Display
PID: 189658 (5qr1/3pN3/1P1k1pP1/5P2/7n/b2NQ2K/8/8 w - - 0 1)

Brody, Miklos

Magyar Sakkvilag, 1911

5qr1/3pN3/1P1k1pP1/5P2/7n/b2NQ2K/8/8

#2

7 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qc5#
    • 1...Bb2
      • 2.Qc5#
    • 1...Bc5
      • 2.Qxc5#
  • Keys
    • 1.Se5!
      • threat
        • 2.Sc4#
      • 1...Kxe7
        • 2.Sf7#
      • 1...Qxe7
        • 2.Qd4#
      • 1...fxe5
        • 2.Qxa3#
      • 1...Qf7
        • 2.Sxf7#
      • 1...Qc8
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::QAB1(B)
    • B(a);N_GUARD::QAB1(B),XB(a)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(c);S_FLIGHT,XS(G)::QAR(B)+S(A)
      • Q(f);SBLOCK,XS(G)::QAR2(B)
      • P(d);SBLOCK,XS(A)::QAB(B),XB(a)
      • Q(f);N_GUARD::S(A),XQ(f)
      • Q(f);N_GUARD::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).