MESON Chess Problem Database

Problem Display
PID: 193409 (Q7/p2K2n1/3PP3/4k2N/3pP1p1/2nP2R1/5B2/8 w - - 0 1)

Bittenbinder, Gyorgy

Pesti Naplo, 1914

Q7/p2K2n1/3PP3/4k2N/3pP1p1/2nP2R1/5B2/8

#2

9 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Qd5#
    • 1...Sd1
      • 2.Qd5#
    • 1...Sa2
      • 2.Qd5#
    • 1...Se2
      • 2.Qd5#
    • 1...Sa4
      • 2.Qd5#
    • 1...Sxe4
      • 2.Qxe4#
    • 1...Sb5
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
  • Keys
    • 1.Rf3!
      • threat
        • 2.Bg3#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...Sxh5
        • 2.Rf5#
      • 1...Sxe6
        • 2.Rf5#
      • 1...Se2
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...g3
        • 2.Bxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::QAR1(I)
    • S(a);OGATE,XP(D)::QAR1(I),XS(a)
    • S(a);N_GUARD::QAR1(I),XS(a)
  • Actual
    • R(C);
    • Threat
      • B(A)
    • Vars
      • S(a);OGATE,XP(D)::QAR1(I),XS(a)
      • S(f);N_GUARD,XS(E)::R1(C)
      • S(f);N_GUARD,XP(G)::R1(C)
      • S(a);N_GUARD::QAR1(I)
      • S(a);N_GUARD::QAR1(I),XS(a)
      • S(f);N_GUARD::R1(C),XS(f)
      • P(c);::B(A),XP(c)
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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).