MESON Chess Problem Database

Problem Display
PID: 256523 (8/2p1K3/2P1B1b1/8/1P1kn2R/2p5/4PP1Q/8 w - - 0 1)

Maximov, Nikolai J

Wiener Schachzeitung, 1899

8/2p1K3/2P1B1b1/8/1P1kn2R/2p5/4PP1Q/8

#2

8 + 5

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Rxe4+?
      • 1...Bxe4
        • 2.Qh8#
      • 1...Kxe4!
    • 1.Qg3?
      • 1...Bf5
        • 2.Qg7#
      • 1...Bh5
        • 2.Qg7#
      • 1...Bf7
        • 2.Qg7#
      • 1...Bh7
        • 2.Qg7#
      • 1...Be8
        • 2.Qg7#
      • 1...c2!
  • Keys
    • 1.Qg1!
      • 1...Ke5
        • 2.f4#
      • 1...c2
        • 2.Qa1#
      • 1...Bf5
        • 2.Qg7#
      • 1...Bh5
        • 2.Qg7#
      • 1...Bf7
        • 2.Qg7#
      • 1...Bh7
        • 2.Qg7#
      • 1...Be8
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XS(c)
      • Vars
        • B(d);SBLOCK,XR(E)::QAB(C)
      • Refutation
        • K(b);P-FLIGHT,XR(E)
    • Try
      • Q(C);
      • Vars
        • B(d);OGATE::QAB(C)
      • Refutation
        • P(a);
  • Actual
    • Q(C);
    • Vars
      • K(b);N_SPINS(c),S_CUTS(c),S_FLIGHT::P(B)
      • P(a);OGATEB::QAB(C)
      • B(d);OGATE::QAB(C)
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).