MESON Chess Problem Database

Problem Display
PID: 48105 (8/8/8/8/1b6/3Q3K/r5R1/4r2k w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

8/8/8/8/1b6/3Q3K/r5R1/4r2k

#2

3 + 4

145 StrateGems 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qxf1#
    • 1...Re4
      • 2.Qf1#
    • 1...Re5
      • 2.Qf1#
    • 1...Re6
      • 2.Qf1#
    • 1...Re7
      • 2.Qf1#
    • 1...Re8
      • 2.Qf1#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qh2#
      • 1...Rxg2
        • 2.Qxg2#
      • 1...Re3
        • 2.Rg1#
      • 1...Ra3
        • 2.Rh2#
      • 1...Bd6
        • 2.Qxe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::QAR2(B),XR(a)
    • R(a);N_GUARD::QAR2(B)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • R(c);OGATE,XR(A)::QAB1(B),XR(c)
      • R(a);N_GUARD,P_PINQ(B)::R1(A)
      • R(c);N_GUARD,P_PINQ(B)::R1(A)
      • B(d);N_GUARD::QAR(B),XR(a)
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).