Problem Display
PID: 138894 (8/8/5p2/4p2K/4pk2/5pN1/2P2Q2/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Vyatski guberiski vedomosti, 1902

8/8/5p2/4p2K/4pk2/5pN1/2P2Q2/8

#2

4 + 5


14666 Aleksandr Galitzky - Shakhmaty Geine (Vol 1) 2010
5454 Near Snap 2022

SOLUTION


  • SOUND
  • Sets
    • 1...f5
      • 2.Se2#
  • Tries
    • 1.Kh4?
      • 1...f5
        • 2.Se2#
        • 2.Sh5#
      • 1...e3!
    • 1.c3?
      • 1...f5
        • 2.Se2#
      • 1...e3!
    • 1.c4?
      • 1...f5
        • 2.Se2#
      • 1...e3!
  • Keys
    • 1.Qh2!
      • 1...Ke3
        • 2.Sf5#
      • 1...f2
        • 2.Qxf2#
      • 1...e3
        • 2.Qh4#
      • 1...f5
        • 2.Sf1#

This anticipates 110724(1957)

This is a version

Version by E. Fomichev.

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::S(C)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Refutation
        • P(b);
    • Try
      • P(A);
      • Vars
        • P(e);SBLOCK::S(C)
      • Refutation
        • P(b);
    • Try
      • P(A);
      • Vars
        • P(e);SBLOCK::S(C)
      • Refutation
        • P(b);
  • Actual
    • Q(B);N_PINP(a)
    • Vars
      • K(c);S_FLIGHT::S(C)
      • P(a);OGATEB::QAR2(B),XP(a)
      • P(b);SBLOCK::QAR2(B)
      • P(e);SBLOCK::QAB(B)+S(C)


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).