MESON Chess Problem Database

Problem Display
PID: 100988 (Qn6/n5q1/1Nr1N3/1p6/4kPP1/RKp3P1/1B1PB3/4R2b w - - 0 1)

Guidelli, Giorgio

5th HM., Good Companions (January), 1917

Qn6/n5q1/1Nr1N3/1p6/4kPP1/RKp3P1/1B1PB3/4R2b

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Sg5#
    • 1...c2
      • 2.Sc5#
  • Keys
    • 1.Kc2!
      • threat
        • 2.Bd1#
      • 1...cxb2+
        • 2.Bc4#
      • 1...cxd2+
        • 2.Sc5#
      • 1...Qxg4
        • 2.Bxg4#
      • 1...Qd4
        • 2.Sg5#
      • 1...Bf3
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(g);N_GUARD,SBLOCK::S(K)
    • P(b);::S(K)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • R(A)+B(D)
    • Vars
      • P(b);CHECK,XB(B)::R(A)+B(D)
      • P(b);CHECK,XP(C)::S(K)
      • Q(g);OGATE,XP(I)::R(A)+B(D),XQ(g)
      • Q(g);N_GUARD,SBLOCK::S(K)
      • B(a);SBLOCK::R(A)+B(D),DCHECK
HTML5 logo

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).