MESON Chess Problem Database

Problem Display
PID: 151826 (3R4/8/8/6B1/8/1Q1q4/2r5/1K1k4 w - - 0 1)

Guidelli, Giorgio

Good Companions (December), 1914

3R4/8/8/6B1/8/1Q1q4/2r5/1K1k4

#2

4 + 3

3713 Snap 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd3+?
      • 1...Rd2
        • 2.Qf1#
        • 2.Qxd2#
      • 1...Ke1!
  • Keys
    • 1.Bh4!
      • threat
        • 2.Qxc2#
      • 1...Kd2
        • 2.Qxd3#
      • 1...Ke2
        • 2.Qxd3#
      • 1...Qd2
        • 2.Qf3#

This anticipates 21036(1915)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK,N_PINR(b),XQ(c)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB1(B),XR(b)
    • Vars
      • K(a);N_SPINR(b),P-FLIGHT::QAR1(B),XQ(c)
      • K(a);N_SPINQ(c),N_SPINR(b),S_FLIGHT::QAB1(B),XQ(c)
      • Q(c);OGATE::QAB(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).