MESON Chess Problem Database

Problem Display
PID: 239194 (8/8/8/8/8/4K1p1/5N2/2n2krQ w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problemist Pribuzhya, 1990

8/8/8/8/8/4K1p1/5N2/2n2krQ

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke1
      • 2.Qxg1#
  • Keys
    • 1.Qf3!
      • threat
        • 2.Sd3#
      • 1...Ke1
        • 2.Qd1#
      • 1...gxf2
        • 2.Qxf2#
      • 1...Rh1
        • 2.Qxh1#
      • 1...Rg2
        • 2.Qd1#
      • 1...Sd3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(A),XR(c)
  • Actual
    • Q(A);N_PINR(c)
    • Threat
      • QAR(A)+S(B)
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • P(d);OGATE,P_SPINP(d),XS(B)::QAR1(A),XP(d)
      • R(c);OGATEB::QAR2(A),XR(c)
      • R(c);SBLOCK::QAR2(A)
      • S(a);::QAR(A)+S(B),XS(a)
HTML5 logo

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).