MESON Chess Problem Database

Problem Display
PID: 35062 (8/pQ6/8/3BB3/6p1/4p1P1/4PP2/3K1kbR w - - 0 1)

Reitman, Mark

3rd HM., US Problem Bulletin, 1993

8/pQ6/8/3BB3/6p1/4p1P1/4PP2/3K1kbR

#2

8 + 5

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf2
      • 2.Qf7#
    • 1...exf2
      • 2.Bg2#
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qe1#
      • 1...Kxf2
        • 2.Qe1#
        • 2.Qf8#
        • 2.Qf4#
      • 1...exf2!
    • 1.Qxa7?
      • 1...Kxf2
        • 2.Qf7#
      • 1...exf2!
  • Keys
    • 1.Qa6!
      • 1...Kxf2
        • 2.Qf6#
      • 1...exf2
        • 2.e3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XP(D)::QAR(H)
    • P(c);SBLOCK,XP(D)::B(F)
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Refutation
        • P(c);XP(D)
    • Try
      • Q(H);XP(e)
      • Vars
        • K(a);N_SPINB(b),OGATEB,P-FLIGHT,P_SPINP(c),XP(D)::QAR(H)
      • Refutation
        • P(c);XP(D)
  • Actual
    • Q(H);
    • Vars
      • K(a);N_SPINB(b),OGATEB,P-FLIGHT,XP(D)::QAR(H)
      • P(c);OGATE,SBLOCK,XP(D)::QAB(H)+P(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).