MESON Chess Problem Database

Problem Display
PID: 165289 (8/K1p3r1/2P2PpN/4k1p1/8/Q1R3N1/B4q2/2B1bR2 w - - 0 1)

Barnes, Barry Peter

British Chess Magazine, 2017

8/K1p3r1/2P2PpN/4k1p1/8/Q1R3N1/B4q2/2B1bR2

#2

10 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Re3+?
      • 1...Kd4
        • 2.Re4#
      • 1...Kf4
        • 2.Se2#
      • 1...Kxf6
        • 2.Sg4#
      • 1...Qxe3+!
    • 1.Qc5+?
      • 1...Kxf6
        • 2.Se4#
        • 2.Sg4#
        • 2.Bxg5#
      • 1...Qxc5+!
  • Keys
    • 1.Rc5+!
      • 1...Kd4
        • 2.Rd5#
      • 1...Kd6
        • 2.Se4#
      • 1...Kxf6
        • 2.Bxg5#
      • 1...Qxc5+
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • R(E);CHECK,P_SPINR(E)
      • Vars
        • K(c);N_PINR(E),S_FLIGHT::R1(E)
        • K(c);P_SPINQ(b),S_FLIGHT::S(F)
        • K(c);P_SPINQ(b),S_FLIGHT,XP(H)::S(I)
      • Refutation
        • Q(b);CHECK,XR(E)
    • Try
      • Q(D);CHECK,P_SPINQ(D)
      • Refutation
        • Q(b);CHECK,XQ(D)
  • Actual
    • R(E);CHECK,P_SPINR(E)
    • Vars
      • K(c);N_PINR(E),S_FLIGHT::R1(E)
      • K(c);S_FLIGHT::S(F)
      • K(c);P_SPINQ(b),S_FLIGHT,XP(H)::B(A),XP(d)
      • Q(b);CHECK,OGATE,XR(E)::QAR2(D),XQ(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).