MESON Chess Problem Database

Problem Display
PID: 153735 (3Qb3/1N1n1p2/1pp2P2/rn2p3/1R1rk1P1/p1P1p1K1/B3P3/1N6 w - - 0 1)

Hawkes, WH

Cheltenham Examiner, 1890

(First published on Wed Dec 3 1890)

3Qb3/1N1n1p2/1pp2P2/rn2p3/1R1rk1P1/p1P1p1K1/B3P3/1N6

#2

10 + 12

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc3
      • 2.Sxc3#
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sa7
      • 2.Sd6#
    • 1...Sc7
      • 2.Sd6#
  • Tries
    • 1.Rxd4+?
      • 1...Sxd4
        • 2.Sd6#
      • 1...exd4!
    • 1.Qxb6?
      • threat
        • 2.Qxc6#
      • 1...Sxc3
        • 2.Sxc3#
        • 2.Sd6#
      • 1...Sxb6
        • 2.Sc5#
      • 1...Sxf6
        • 2.Sc5#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sb8
        • 2.Sc5#
      • 1...Sf8
        • 2.Sc5#
      • 1...c5
        • 2.Qc6#
      • 1...Ra6!
    • 1.Qxd7?
      • threat
        • 2.Qf5#
      • 1...Rc4
        • 2.Qd3#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Bxd7!
  • Keys
    • 1.Qc8!
      • threat
        • 2.Qxc6#
      • 1...Sxc3
        • 2.Sxc3#
        • 2.Sd6#
      • 1...Sxf6
        • 2.Qf5#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sa7
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#
      • 1...Sc5
        • 2.Qf5#
      • 1...Sb8
        • 2.Qf5#
      • 1...Sf8
        • 2.Qf5#
      • 1...c5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::S(I),XS(f)
    • S(f);N_GUARD::S(I)
  • Tries
    • Try
      • R(F);CHECK,XR(c)
      • Vars
        • S(f);XR(F)::S(I)
      • Refutation
        • P(g);XR(F)
    • Try
      • Q(J);XP(h)
      • Threat
        • QAB(J),XP(i)
      • Vars
        • S(j);N_GUARD,XQ(J)::S(I)
        • S(j);N_GUARD,XP(H)::S(I)
        • S(f);N_GUARD::S(I),XS(f)
        • S(f);N_GUARD::S(I)
        • S(j);N_GUARD::S(I),XS(j)
        • S(j);N_GUARD::S(I)
        • P(i);::QAB(J)
      • Refutation
        • R(e);
    • Try
      • Q(J);XS(j)
      • Threat
        • QAB1(J)
      • Vars
        • R(c);OGATE::QAB1(J)
        • S(f);N_GUARD::S(I),XS(f)
      • Refutation
        • B(l);XQ(J)
  • Actual
    • Q(J);
    • Threat
      • QAB(J),XP(i)
    • Vars
      • S(j);OGATE,XP(H)::QAB1(J)
      • S(f);N_GUARD::S(I),XS(f)
      • S(f);N_GUARD::S(I)
      • S(j);OGATE::QAB1(J)
      • P(i);::QAB(J)
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).