MESON Chess Problem Database

Problem Display
PID: 207130 (8/1Q3p2/1P3P2/2k1B3/2P1r3/3K4/3n4/8 w - - 0 1)

Schumov, Ilya Stepanovich

Recueil de Problemes Scacchographiques et autres positions curieuses, 1867

8/1Q3p2/1P3P2/2k1B3/2P1r3/3K4/3n4/8

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qe7+?
      • 1...Kc6
        • 2.Qc7#
      • 1...Kxb6!
  • Keys
    • 1.Bd6+!
      • 1...Kxd6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(F)
      • Refutation
        • K(c);S_FLIGHT,XP(D)
  • Actual
    • B(C);CHECK
    • Vars
      • K(c);S_FLIGHT,XB(C)::QAR1(F)
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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).