MESON Chess Problem Database

Problem Display
PID: 207127 (8/4N3/4p3/4k3/4b3/2K1R3/3Q4/8 w - - 0 1)

Schumov, Ilya Stepanovich

Recueil de Problemes Scacchographiques et autres positions curieuses, 1867

8/4N3/4p3/4k3/4b3/2K1R3/3Q4/8

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rf3!
      • threat
        • 2.Qf4#
        • 2.Qh2#
        • 2.Qd4#
      • 1...Bxf3
        • 2.Qd4#
      • 1...Bb1
        • 2.Qf4#
        • 2.Qd4#
      • 1...Bc2
        • 2.Qf4#
        • 2.Qd4#
      • 1...Bd3
        • 2.Qf4#
      • 1...Bd5
        • 2.Qf4#
      • 1...Bf5
        • 2.Qd4#
      • 1...Bc6
        • 2.Qf4#
        • 2.Qd4#
      • 1...Bg6
        • 2.Qf4#
        • 2.Qd4#
      • 1...Bb7
        • 2.Qf4#
        • 2.Qd4#
      • 1...Bh7
        • 2.Qf4#
        • 2.Qd4#
      • 1...Ba8
        • 2.Qf4#
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);N_PINB(a)
    • Threat
      • DUALS(3)
    • Vars
      • B(a);XR(C)::QAB1(A)
      • B(a);::QAB1(A)
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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).