MESON Chess Problem Database

Problem Display
PID: 76571 (6RK/8/8/5pPk/8/5nR1/8/4Q1n1 w - - 0 1)

Havel, Miroslav

Besedy lidu, 1917

6RK/8/8/5pPk/8/5nR1/8/4Q1n1

#2

5 + 4

6024 Bohemian Garnets 1923

SOLUTION

  • SOUND
  • Tries
    • 1.Kg7?
      • threat
        • 2.Rh8#
      • 1...Kh4
        • 2.Rh8#
      • 1...Sxg5!
    • 1.Rh3+?
      • 1...Kg4
        • 2.Qg3#
      • 1...Sh4
        • 2.Rxh4#
        • 2.Qxh4#
      • 1...Sxh3!
    • 1.Qe7?
      • threat
        • 2.Qh7#
      • 1...Sxg5
        • 2.Qxg5#
      • 1...Kh4!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Rh6#
      • 1...Kh4
        • 2.Rh6#
      • 1...Kxg6
        • 2.Qe8#
      • 1...Sxg5
        • 2.R3xg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • R(D)
      • Vars
        • K(d);P-FLIGHT::R(D)
      • Refutation
        • S(b);XP(C)
    • Try
      • R(B);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(A)
      • Refutation
        • S(a);XR(B)
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • S(b);OGATE,XP(C)::QAR1(A),XS(b)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • K(d);P-FLIGHT::R(D)
      • K(d);OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • S(b);OGATE,XP(C)::R1(B),XS(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).