MESON Chess Problem Database

Problem Display
PID: 264082 (6B1/8/4p1N1/K2P1kpP/p1R3p1/2n2q2/5Q1R/B3r3 w - - 0 1)

Takacs, Peter

Tijdschrift vd KNSB, 1951

6B1/8/4p1N1/K2P1kpP/p1R3p1/2n2q2/5Q1R/B3r3

#2

9 + 8

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.Rxf2#
    • 1...Sb1
      • 2.Se7#
    • 1...Sd1
      • 2.Se7#
    • 1...Sa2
      • 2.Se7#
    • 1...Se2
      • 2.Se7#
      • 2.Bxe6#
    • 1...Se4
      • 2.Bxe6#
    • 1...Sb5
      • 2.Se7#
    • 1...g3
      • 2.Qxf3#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qf8#
      • 1...Kf6
        • 2.Qf8#
      • 1...Qxd5
        • 2.Rf2#
      • 1...Sxd5
        • 2.Se7#
      • 1...Se4
        • 2.Bxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(c);N_SPINQ(c),OGATE,XQ(B)::R(C),XQ(c)
    • S(b);::S(H)
    • S(b);S_CUTR(a)::B(I),XP(h)
    • P(e);N_GUARD::QAR2(B),XQ(c)
  • Actual
    • Q(B);N_PINQ(c)
    • Threat
      • QAR(B)
    • Vars
      • K(f);P-FLIGHT,P_SPINS(b)::QAR2(B)
      • Q(c);OGATEB,P_PINQ(B),P_SPINQ(c),XP(F)::R(C)
      • S(b);P_SPINS(b),XP(F)::S(H)
      • S(b);S_CUTR(a)::B(I),XP(h)
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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).