MESON Chess Problem Database

Problem Display
PID: 186607 (1nK1N3/1rb3p1/1p2kBP1/4r3/4P3/3Rn3/1Q6/4R3 w - - 0 1)

Kendry, H

Chess, 1959

1nK1N3/1rb3p1/1p2kBP1/4r3/4P3/3Rn3/1Q6/4R3

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Sxg7#
    • 1...Ra5
      • 2.Sxg7#
    • 1...Rb5
      • 2.Sxg7#
    • 1...Rc5
      • 2.Sxg7#
    • 1...Rf5
      • 2.Sxg7#
    • 1...Rg5
      • 2.Sxg7#
    • 1...Rh5
      • 2.Sxg7#
    • 1...Bd6
      • 2.Rxd6#
    • 1...Bd8
      • 2.Rd6#
      • 2.Qxe5#
  • Keys
    • 1.Qf2!
      • threat
        • 2.Sxg7#
      • 1...gxf6
        • 2.Qxf6#
      • 1...Rd5
        • 2.exd5#
      • 1...Rf5
        • 2.exf5#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Bd8
        • 2.Rd6#
      • 1...Sd5
        • 2.exd5#
      • 1...Sf5
        • 2.exf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • R(b);XP(D)::S(H),XP(g)
    • R(b);::S(H),XP(g)
    • B(f);N_GUARD::R1(C),XB(f)
  • Actual
    • Q(B);
    • Threat
      • S(H),XP(g)
    • Vars
      • P(g);OGATE,XB(E)::QAR1(B),XP(g)
      • R(b);OGATE::P(D),XR(b)
      • B(f);N_GUARD::R1(C),XB(f)
      • B(f);N_GUARD::R1(C)
      • S(a);OGATE::P(D),XS(a)
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).