MESON Chess Problem Database

Problem Display
PID: 274504 (5R2/2p5/1p2p3/1P2p3/3PP2p/1PQpk1pP/1P1p1rB1/3K2B1 w - - 0 1)

Ouellet, Charles

The Problemist, 2023

5R2/2p5/1p2p3/1P2p3/3PP2p/1PQpk1pP/1P1p1rB1/3K2B1

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...exd4
      • 2.Qxd2#
  • Tries
    • 1.Qc6?
      • 1...exd4
        • 2.Rf3#
      • 1...Kxd4!
  • Keys
    • 1.Qxc7!
      • 1...Kxd4
        • 2.Qxb6#
      • 1...exd4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(g);SBLOCK,XP(H)::QAB1(F),XP(a)
  • Tries
    • Try
      • Q(F);N_PINP(c)
      • Vars
        • P(g);SBLOCK,XP(H)::R1(K)
      • Refutation
        • K(d);S_FLIGHT,XP(H)
  • Actual
    • Q(F);N_PINP(c),XP(j)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XP(H)::QAB(F),XP(h)
      • P(g);OGATE,SBLOCK,XP(H)::QAB1(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).