Problem Display
PID: 208136 (7B/7K/3P1r2/2N1k3/3R4/2P1Np2/5P2/8 w - - 0 1)

Lehner, Hermann Feodor

Osterreichische Schachzeitung, 1875

7B/7K/3P1r2/2N1k3/3R4/2P1Np2/5P2/8

#2

8 + 3


3713 Snap 2020
6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kg7!
      • 1...Rg6+
        • 2.Kxg6#
      • 1...Rf7+
        • 2.Kxf7#
      • 1...Rxd6
        • 2.Re4#
      • 1...Rf4
        • 2.Rd5#
      • 1...Rf5
        • 2.Sc4#
        • 2.Sg4#
      • 1...Re6
        • 2.Sd3#
        • 2.Sd7#
      • 1...Rh6
        • 2.Kxh6#
      • 1...Rf8
        • 2.Kxf8#

This anticipates 178323(1924)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(G);N_PINR(c),P-FLIGHT
    • Vars
      • R(c);CHECK::B(H)+K(G),XR(c)
      • R(c);SBLOCK,XP(F)::R1(D)
      • R(c);SBLOCK::R1(D)
      • R(c);::B(H)+K(G),XR(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).