MESON Chess Problem Database

Problem Display
PID: 53257 (8/7p/3B3P/3P3K/2p1k3/2P4Q/1P4R1/8 w - - 0 1)

Meiners, Willem Barend Hendrik

Tijdschrift vd NSB, 1893

8/7p/3B3P/3P3K/2p1k3/2P4Q/1P4R1/8

#2

8 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rg4+?
      • 1...Kf5
        • 2.Rf4#
        • 2.Qf1#
        • 2.Qf3#
      • 1...Kxd5!
    • 1.Rg6?
      • 1...Kxd5
        • 2.Qg2#
        • 2.Qh1#
        • 2.Qf3#
      • 1...hxg6+!
    • 1.Qg4+?
      • 1...Kd3
        • 2.Qe2#
        • 2.Qf3#
        • 2.Qd4#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kxd5!
    • 1.Qf5+?
      • 1...Ke3
        • 2.Bc5#
      • 1...Kxf5!
    • 1.Qg3?
      • 1...Kf5
        • 2.Qf4#
        • 2.Qe5#
        • 2.Qf3#
      • 1...Kxd5!
  • Keys
    • 1.Qe6+!
      • 1...Kd3
        • 2.Qe2#
      • 1...Kf3
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • K(b);S_FLIGHT,XP(E)
    • Try
      • R(B);
      • Refutation
        • P(c);CHECK,XR(B)
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT::B(G)
      • Refutation
        • K(b);S_FLIGHT,XQ(D)
    • Try
      • Q(D);
      • Refutation
        • K(b);S_FLIGHT,XP(E)
  • Actual
    • Q(D);CHECK
    • Vars
      • K(b);OGATE,S_FLIGHT::QAB1(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).