MESON Chess Problem Database

Problem Display
PID: 224661 (6K1/6N1/6p1/5pk1/3P1N2/5R2/3B2P1/6R1 w - - 0 1)

Wainwright, Joseph CJ

The Sunny South, 1887

6K1/6N1/6p1/5pk1/3P1N2/5R2/3B2P1/6R1

#2

8 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Sd5#
  • Tries
    • 1.Rh1?
      • 1...Kf6
        • 2.Sd5#
      • 1...Kg4!
    • 1.Rg3+?
      • 1...Kf6
        • 2.Sd5#
      • 1...Kh6
        • 2.Rh1#
        • 2.Rxg6#
      • 1...Kh4!
    • 1.Rh3?
      • 1...Kf6
        • 2.Sd5#
      • 1...Kg4!
  • Keys
    • 1.g4!
      • 1...Kh4
        • 2.Sxg6#
      • 1...Kf6
        • 2.Sd5#
      • 1...Kh6
        • 2.g5#
      • 1...fxg4
        • 2.Sg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(F)
  • Tries
    • Try
      • R(A);
      • Vars
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);S_FLIGHT::S(F)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • P(C);
    • Vars
      • K(b);S_FLIGHT::S(F),XP(c)
      • K(b);S_FLIGHT::S(F)
      • K(b);OGATE,S_FLIGHT::P(C)
      • P(a);N_GUARD,P_SPINP(a),SBLOCK,XP(C)::B(B)+S(F)
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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).