MESON Chess Problem Database

Problem Display
PID: 16924 (1r1N2n1/R2PP2R/1p1k3B/3p1P2/3p2PQ/3K4/7b/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

One Hundred Published Problems, 1944

1r1N2n1/R2PP2R/1p1k3B/3p1P2/3p2PQ/3K4/7b/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sf7#
    • 1...Sxe7
      • 2.Qxe7#
  • Tries
    • 1.e8S+?
      • 1...Ke5
        • 2.Sc6#
        • 2.Sf7#
        • 2.Qe1#
        • 2.Qxh2#
      • 1...Kc5!
  • Keys
    • 1.Rc7!
      • threat
        • 2.Qxh2#
      • 1...Ke5
        • 2.Sf7#
      • 1...Kxc7
        • 2.e8S#
      • 1...Bg1
        • 2.Bf4#
        • 2.Qg3#
      • 1...Bg3
        • 2.Qxg3#
      • 1...Bf4
        • 2.Bxf4#
      • 1...Be5
        • 2.e8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(e);S_FLIGHT::S(J)
    • S(g);OGATE,XP(H)::QAB1(C),XS(g)
  • Tries
    • Try
      • P(H);CHECK
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • R(F);
    • Threat
      • QAB(C),XB(a)
    • Vars
      • K(e);S_FLIGHT::S(J)
      • K(e);S_FLIGHT,XR(F)::P=S
      • B(a);N_GUARD::QAB(C),XB(a)
      • B(a);N_GUARD::B(E),XB(a)
      • B(a);SBLOCK::P=S
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).