MESON Chess Problem Database

Problem Display
PID: 96813 (7B/1KR4B/1R6/3k4/3N4/n5p1/5p2/4b1q1 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

7B/1KR4B/1R6/3k4/3N4/n5p1/5p2/4b1q1

#2

6 + 6

6490 yacpdb 2009
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • threat
        • 2.Se3#
        • 2.Se7#
      • 1...f1Q
        • 2.Se7#
      • 1...f1S
        • 2.Se7#
      • 1...f1B
        • 2.Se7#
      • 1...f1R
        • 2.Se7#
      • 1...Bd2
        • 2.Se7#
      • 1...Bb4
        • 2.Se3#
      • 1...Sc2
        • 2.Se7#
      • 1...Sc4
        • 2.Se7#
      • 1...Ke4!
    • 1.Rb5+?
      • 1...Kd6
        • 2.Be5#
      • 1...Sxb5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Se7#
      • 1...Kc4
        • 2.Se7#
      • 1...Kc5
        • 2.Sb4#
        • 2.Se7#
      • 1...Kd6
        • 2.Sb4#
        • 2.Se7#
      • 1...Ke6
        • 2.Sb4#
      • 1...Bb4
        • 2.Sxb4#

Anticipated by 157839(1907), 184363(1928)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::S(A)
        • B(a);::S(A)
        • S(d);::S(A)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • R(B);CHECK
      • Vars
        • K(f);P-FLIGHT::B(F)
      • Refutation
        • S(d);XR(B)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(f);S_FLIGHT::R(D)+S(A)
      • K(f);S_FLIGHT::R(B)+S(A)
      • B(a);N_GUARD::S(A),XB(a)
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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).