MESON Chess Problem Database

Problem Display
PID: 16940 (8/qp4p1/pB1pNpQR/4k2p/5NbK/2P2p1B/3n4/b2r4 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

One Hundred Published Problems, 1944

8/qp4p1/pB1pNpQR/4k2p/5NbK/2P2p1B/3n4/b2r4

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qb8
      • 2.Bd4#
    • 1...Qa8
      • 2.Bd4#
    • 1...Bf5
      • 2.Qxf5#
    • 1...d5
      • 2.Bc7#
  • Tries
    • 1.Rxh5+?
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bxh5
        • 2.Qf5#
      • 1...f5!
    • 1.Qxf6+?
      • 1...Ke4
        • 2.Sg5#
      • 1...gxf6!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Scd3#
      • 1...Kxf4
        • 2.Sd3#
      • 1...dxc5
        • 2.Bc7#
      • 1...d5
        • 2.Bc7#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Sb1
        • 2.Qe4#
      • 1...Sf1
        • 2.Qe4#
      • 1...Sb3
        • 2.Qe4#
      • 1...Sc4
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...f5
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • Q(k);N_GUARD::B(E)
    • B(e);N_GUARD::QAR1(G),XB(e)
    • P(i);OGATEB::B(E)
  • Tries
    • Try
      • R(H);CHECK,XP(g)
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAR1(G),XB(e)
        • B(e);N_GUARD,XR(H)::QAR1(G)
      • Refutation
        • P(j);P_SPINP(j)
    • Try
      • Q(G);CHECK,XP(j)
      • Vars
        • K(f);P-FLIGHT::S(F)
      • Refutation
        • P(m);XQ(G)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(f);S_FLIGHT,XS(C)::S(F)
      • P(i);OGATEB,XS(F)::B(E)
      • P(i);OGATEB::B(E)
      • B(e);N_GUARD::QAR1(G),XB(e)
      • S(c);N_GUARD::QAR1(G)
      • S(c);N_GUARD::QAR1(G),XS(c)
      • P(j);OGATE,SBLOCK::QAB1(G),XP(i)
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).