MESON Chess Problem Database

Problem Display
PID: 16942 (5b1q/4p3/1Bn3rP/1RNbk3/2p1Np2/5Q2/6B1/1nK2R2 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

One Hundred Published Problems, 1944

5b1q/4p3/1Bn3rP/1RNbk3/2p1Np2/5Q2/6B1/1nK2R2

#2

9 + 10

5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sd3#
      • 2.Sd7#
    • 1...Kf5
      • 2.Qxf4#
    • 1...Be6
      • 2.Sd3#
      • 2.Sd7#
    • 1...Sd4
      • 2.Qxf4#
  • Tries
    • 1.Bc7+?
      • 1...Kd4
        • 2.Qf2#
      • 1...Kf5
        • 2.Qxf4#
      • 1...Rd6!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Qxf4#
      • 1...Kd4
        • 2.Sd7#
      • 1...Kf5
        • 2.Qxf4#
      • 1...Kd6
        • 2.Qxd5#
      • 1...Kf6
        • 2.Qxf4#
      • 1...Bxf3
        • 2.Sce4#
      • 1...Be4
        • 2.Scxe4#
      • 1...Qf6
        • 2.Qxd5#
      • 1...Rf6
        • 2.Qxd5#

Anticipated by 70470(0000)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(e);P-FLIGHT,P_SPINP(c)::QAR1(D),XP(c)
    • S(f);SBLOCK::QAB1(D),XP(c)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • K(e);S_FLIGHT::QAB(D)
        • K(e);P-FLIGHT,P_SPINP(c)::QAR1(D),XP(c)
      • Refutation
        • R(g);P_SPINR(g)
  • Actual
    • S(E);
    • Threat
      • QAB1(D),XP(c)
    • Vars
      • K(e);S_FLIGHT::B(H)+S(G)
      • K(e);P-FLIGHT,P_SPINP(c)::QAR1(D),XP(c)
      • K(e);S_FLIGHT::QAR1(D),XB(d)
      • K(e);P_SPINP(c),S_FLIGHT::QAR2(D),XP(c)
      • B(d);XQ(D)::R(F)+S(G)
      • B(d);::R(F)+S(G),XB(d)
      • Q(j);SBLOCK::QAR1(D),XB(d)
      • R(g);SBLOCK::QAR1(D),XB(d)
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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).