MESON Chess Problem Database

Problem Display
PID: 2214 (8/8/4p1Q1/8/5k2/1R1K4/7P/8 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

8/8/4p1Q1/8/5k2/1R1K4/7P/8

#2

4 + 2

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg3#
  • Tries
    • 1.Ke2?
      • 1...e5
        • 2.Rf3#
      • 1...Ke5!
    • 1.Rb1?
      • 1...Kf3
        • 2.Rf1#
        • 2.Qg3#
      • 1...e5
        • 2.Rf1#
      • 1...Ke5!
    • 1.Rb2?
      • 1...Kf3
        • 2.Qe4#
        • 2.Qg3#
      • 1...e5
        • 2.Rf2#
      • 1...Ke5!
    • 1.Rb4+?
      • 1...Kf3
        • 2.Qg3#
      • 1...Ke5!
    • 1.Rb5?
      • threat
        • 2.Qe4#
        • 2.Qg3#
      • 1...Kf3
        • 2.Qg3#
      • 1...e5!
    • 1.Rb7?
      • 1...Kf3
        • 2.Rf7#
        • 2.Qg3#
      • 1...e5
        • 2.Rf7#
      • 1...Ke5!
    • 1.Rb8?
      • 1...Kf3
        • 2.Rf8#
        • 2.Qg3#
      • 1...e5
        • 2.Rf8#
      • 1...Ke5!
    • 1.Qg5+?
      • 1...Kf3
        • 2.Qg3#
      • 1...Kxg5!
  • Keys
    • 1.Rb6!
      • 1...Kf3
        • 2.Qg3#
      • 1...Ke5
        • 2.Qg5#
      • 1...e5
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(D)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(b);SBLOCK::R1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
  • Actual
    • R(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::QAR2(D)
      • P(b);OGATE,SBLOCK::R(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).