MESON Chess Problem Database

Problem Display
PID: 168399 (5R1b/3N4/3N1ppB/KQ1p2r1/5krn/5pn1/5P2/3B4 w - - 0 1)

Petite, Efren

Il Due Mosse, 1955

5R1b/3N4/3N1ppB/KQ1p2r1/5krn/5pn1/5P2/3B4

#2

8 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Qe5#
  • Keys
    • 1.Qxd5!
      • threat
        • 2.Qe5#
      • 1...Sgf5
        • 2.Qe4#
      • 1...Shf5
        • 2.Qxf3#
      • 1...f5
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATE,P_PINQ(D)::QAB1(D)
  • Actual
    • Q(D);P_SPINQ(D),XP(f)
    • Threat
      • QAB1(D)
    • Vars
      • S(b);N_PINQ(D),N_SPINP(h)::QAR1(D)
      • S(e);N_PINQ(D),N_SPINP(h)::QAR1(D),XP(a)
      • P(h);N_PINQ(D)::QAB(D)
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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).