MESON Chess Problem Database

Problem Display
PID: 44025 (8/8/8/2ppB3/KPkpQ3/2q1p3/8/2R5 w - - 0 1)

Anonymous

BCA Ty., 1873

8/8/8/2ppB3/KPkpQ3/2q1p3/8/2R5

#2

5 + 6

501 Maryland Chess Review 1874
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc2+
      • 2.Rxc2#
      • 2.Qxc2#
    • 1...cxb4
      • 2.Qxd4#
  • Keys
    • 1.Qxe3!
      • 1...Qc2+
        • 2.Rxc2#
        • 2.Qb3#
      • 1...Qxc1
        • 2.Qb3#
      • 1...dxe3
        • 2.Rxc3#
      • 1...cxb4
        • 2.Qxd4#
      • 1...d3
        • 2.Rxc3#
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD,XP(C)::QAR1(D),XP(d)
  • Actual
    • Q(D);N_PINP(d),XP(b)
    • Vars
      • Q(a);N_SPINQ(a),OGATE,XR(A)::QAB1(D)
      • P(d);N_GUARD,XQ(D)::R1(A),XQ(a)
      • P(e);N_GUARD,XP(C)::QAR1(D),XP(d)
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).