MESON Chess Problem Database

Problem Display
PID: 183664 (8/p1p5/P1pR1P2/2k2P2/3p4/bQ1P4/1p6/1K6 w - - 0 1)

Crouch, E

British Chess Magazine, 1915

8/p1p5/P1pR1P2/2k2P2/3p4/bQ1P4/1p6/1K6

#2

7 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd4?
      • 1...Bb4
        • 2.Qxb4#
      • 1...Kxd4!
    • 1.Qc4+?
      • 1...Kxd6
        • 2.Qxd4#
      • 1...Kb6!
  • Keys
    • 1.Qa4!
      • 1...Kb6
        • 2.Rxc6#
      • 1...Kxd6
        • 2.Qxd4#
      • 1...cxd6
        • 2.Qa5#
      • 1...Bb4
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);XP(c)
      • Vars
        • B(b);N_GUARD::QAB1(B),XB(b)
      • Refutation
        • K(d);S_FLIGHT,XR(F)
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);S_FLIGHT,XR(F)::QAR2(B),XP(c)
      • Refutation
        • K(d);P_SPINP(e),S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(d);P_SPINP(e),S_FLIGHT::R1(F),XP(e)
      • K(d);S_FLIGHT,XR(F)::QAR2(B),XP(c)
      • P(g);SBLOCK,XR(F)::QAR2(B)
      • B(b);SBLOCK::QAR1(B),XP(e)
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).