MESON Chess Problem Database

Problem Display
PID: 40022 (8/6pK/4B3/R5rp/1b1Nk3/3p1p1N/n1r2P1n/BQR5 w - - 0 1)

Barnes, Barry Peter

Comm., Chess, 1955

8/6pK/4B3/R5rp/1b1Nk3/3p1p1N/n1r2P1n/BQR5

#2

9 + 10

4199 Barnes about Chess Problems 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Bf5#
    • 1...Rg2
      • 2.Bf5#
    • 1...Rg3
      • 2.Bf5#
    • 1...Rg4
      • 2.Bf5#
    • 1...Rf5
      • 2.Bxf5#
    • 1...Rg6
      • 2.Bf5#
    • 1...d2
      • 2.Qxc2#
  • Keys
    • 1.Sf5!
      • threat
        • 2.Re5#
      • 1...Rxf5
        • 2.Bxf5#
      • 1...Bxa5
        • 2.Sd6#
      • 1...d2
        • 2.Qxc2#
      • 1...Rb2
        • 2.Rc4#
      • 1...Rc3
        • 2.Re1#
      • 1...Rc5
        • 2.Sd6#
      • 1...Bc3
        • 2.Qb7#
      • 1...Bc5
        • 2.Qb7#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Sc3
        • 2.Qxb4#
      • 1...Sg4
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 5
  • Sets
    • R(h);N_GUARD::B(H)
    • R(h);N_GUARD::B(H),XR(h)
    • P(d);OGATEB,P_SPINR(b)::QAB(B),XR(b)
  • Actual
    • S(F);
    • Threat
      • R1(G)
    • Vars
      • R(h);OGATE,XS(F)::B(H),XR(h)
      • B(f);N_GUARD,XR(G)::S(F)
      • P(d);OGATEB,P_SPINR(b)::QAB(B),XR(b)
      • R(b);OGATE,P_SPINP(d)::R(C)
      • R(b);N_GUARD,P_SPINP(d),S_CUTB(f)::R(C)
      • R(b);P_SPINP(d),S_CUTB(f)::S(F)
      • B(f);OGATE::QAB(B)
      • B(f);N_GUARD::S(F),XB(f)
      • S(a);N_GUARD,S_CUTR(b)::QAR(B),XB(f)
      • S(c);S_CUTR(h)::S(F)
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).