MESON Chess Problem Database

Problem Display
PID: 198877 (5b2/8/1R6/2Nn4/8/k4K2/1rp5/rbB3Q1 w - - 0 1)

Greenwood, William M

Brisbane Courier, 1921

5b2/8/1R6/2Nn4/8/k4K2/1rp5/rbB3Q1

#2

5 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ka2
      • 2.Ra6#
    • 1...Ra2
      • 2.Rb3#
    • 1...Ba2
      • 2.Bxb2#
  • Keys
    • 1.Qg8!
      • 1...Ka2
        • 2.Ra6#
      • 1...Bxc5
        • 2.Qa8#
      • 1...Sxb6
        • 2.Qb3#
      • 1...Sc3
        • 2.Bxb2#
        • 2.Qb3#
      • 1...Ra2
        • 2.Rb3#
      • 1...Ba2
        • 2.Bxb2#
      • 1...Bd6
        • 2.Qa8#
      • 1...Bh6
        • 2.Qa8#
      • 1...Be7
        • 2.Qa8#
      • 1...Bg7
        • 2.Qa8#
      • 1...Se3
        • 2.Bxb2#
        • 2.Qb3#
      • 1...Sb4
        • 2.Qb3#
      • 1...Sf4
        • 2.Bxb2#
        • 2.Qb3#
      • 1...Sf6
        • 2.Bxb2#
        • 2.Qb3#
      • 1...Sc7
        • 2.Bxb2#
        • 2.Qb3#
      • 1...Se7
        • 2.Bxb2#
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(e);N_SPINR(c),P-FLIGHT::R(E)
    • R(a);SBLOCK::R1(E)
    • B(b);SBLOCK::B(A),XR(c)
  • Actual
    • Q(B);
    • Vars
      • K(e);N_SPINR(c),P-FLIGHT,P_SPINS(f)::R(E)
      • B(g);OGATE,XS(D)::QAR(B)
      • S(f);OGATE,XR(E)::QAR1(B)
      • R(a);SBLOCK::R1(E)
      • B(b);SBLOCK::B(A),XR(c)
      • B(g);OGATE::QAR(B)
      • S(f);OGATE::QAR1(B)
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).