MESON Chess Problem Database

Problem Display
PID: 72303 (2BR4/1N6/5Prn/ppPNp1B1/Rq1bk1P1/1pp5/4P3/5K2 w - - 0 1)

Bonavia-Hunt, Rev Noel Aubrey

Chess, 1953

2BR4/1N6/5Prn/ppPNp1B1/Rq1bk1P1/1pp5/4P3/5K2

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qa3
      • 2.Sxc3#
    • 1...Qxc5
      • 2.Sxc5#
    • 1...Rxf6+
      • 2.Sxf6#
    • 1...Bg1
      • 2.Sxc3#
    • 1...Bf2
      • 2.Sxc3#
    • 1...Be3
      • 2.Sxc3#
    • 1...Bxc5
      • 2.Sxc3#
    • 1...Sf5
      • 2.Bxf5#
    • 1...Sf7
      • 2.Bf5#
    • 1...Sg8
      • 2.Bf5#
  • Keys
    • 1.Be6!
      • threat
        • 2.Sd6#
      • 1...Rxf6+
        • 2.Sxf6#
      • 1...Qxc5
        • 2.Sxc5#
      • 1...Bxc5
        • 2.Sxc3#
      • 1...Bg1
        • 2.Sxc3#
      • 1...Bf2
        • 2.Sxc3#
      • 1...Be3
        • 2.Sxc3#
      • 1...Sf5
        • 2.Bxf5#
      • 1...Sf7
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • Q(c);N_GUARD,P_SPINB(d)::S(F),XP(b)
    • Q(c);P_SPINB(d),XP(E)::S(I),XQ(c)
    • R(i);CHECK,XP(H)::S(F),XR(i)
    • B(d);N_GUARD,P_SPINQ(c)::S(F),XP(b)
    • B(d);N_GUARD,P_SPINQ(c),XP(E)::S(F),XP(b)
    • S(j);N_GUARD::B(J),XS(j)
    • S(j);N_GUARD::B(J)
  • Actual
    • B(J);
    • Threat
      • S(I)
    • Vars
      • R(i);CHECK,XP(H)::S(F),XR(i)
      • Q(c);P_SPINB(d),XP(E)::S(I),XQ(c)
      • B(d);N_GUARD,P_SPINQ(c),XP(E)::S(F),XP(b)
      • B(d);N_GUARD,P_SPINQ(c)::S(F),XP(b)
      • S(j);N_GUARD::B(J),XS(j)
      • S(j);N_GUARD::B(J)
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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).