MESON Chess Problem Database

Problem Display
PID: 16911 (3Q4/3N4/2P1R1n1/2Bk1b2/2p3p1/3p2P1/3P3K/8 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

One Hundred Published Problems, 1944

3Q4/3N4/2P1R1n1/2Bk1b2/2p3p1/3p2P1/3P3K/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe6
      • 2.Qg8#
    • 1...Be4
      • 2.Rd6#
  • Tries
    • 1.Se5+?
      • 1...Ke4
        • 2.Qd4#
      • 1...Kxe6
        • 2.Qd6#
      • 1...Kxc5!
    • 1.Qb8?
      • threat
        • 2.Qd6#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Se5
        • 2.Qxe5#
      • 1...c3
        • 2.Qb3#
      • 1...Bxe6!
  • Keys
    • 1.Qa8!
      • 1...Kxe6
        • 2.Qg8#
      • 1...Bxe6
        • 2.c7#
      • 1...Se5
        • 2.Rxe5#
      • 1...c3
        • 2.Qa2#
      • 1...Be4
        • 2.Rd6#
      • 1...Sf4
        • 2.Re5#
      • 1...Sh4
        • 2.Re5#
      • 1...Se7
        • 2.Re5#
      • 1...Sf8
        • 2.Re5#
      • 1...Sh8
        • 2.Re5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(H)
    • B(e);SBLOCK::R1(F)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(H)
        • K(d);S_FLIGHT,XR(F)::QAR1(H)
      • Refutation
        • K(d);P-FLIGHT,XB(D)
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(H)
        • S(f);N_GUARD::QAR1(H),XS(f)
        • P(b);OGATEB::QAB(H)
      • Refutation
        • B(e);XR(F)
  • Actual
    • Q(H);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XR(F)::QAB(H)
      • B(e);SBLOCK,XR(F)::QAB(H)+P(E)
      • S(f);N_GUARD::R1(F),XS(f)
      • P(b);OGATEB::QAB(H)
      • B(e);SBLOCK::R1(F)
      • S(f);N_GUARD::R1(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).