MESON Chess Problem Database

Problem Display
PID: 194044 (8/8/K2p3r/p1p5/Q1nk1NR1/4p1N1/1PPp4/3r1b2 w - - 0 1)

Guidelli, Giorgio

Good Companions, 1917

8/8/K2p3r/p1p5/Q1nk1NR1/4p1N1/1PPp4/3r1b2

#2

7 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...d5+
      • 2.Sg6#
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qc3#
      • 1...Sxb2+
        • 2.Sd3#
      • 1...Sa3+
        • 2.Sd3#
      • 1...Se5+
        • 2.Sfe2#
      • 1...Sb6+
        • 2.Sd3#
      • 1...d5+
        • 2.Sg6#
      • 1...Ke5
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(i);CHECK,SBLOCK::R(F)+S(E)
  • Actual
    • Q(D);N_PINS(e)
    • Threat
      • QAB1(D)
    • Vars
      • S(e);CHECK,XP(A)::R(F)+S(E)
      • S(e);CHECK::R(F)+S(E)
      • S(e);CHECK,SBLOCK::R(F)+S(E),DCHECK
      • P(i);CHECK,SBLOCK::R(F)+S(E)
      • K(f);S_FLIGHT::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).