MESON Chess Problem Database

Problem Display
PID: 52652 (b3R3/3Q4/4n3/4p3/2p1kbK1/6p1/2P3P1/1n1NB2N w - - 0 1)

Hearn, WG

Chess Amateur (The), 1908

b3R3/3Q4/4n3/4p3/2p1kbK1/6p1/2P3P1/1n1NB2N

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sxg3#
    • 1...Bd2
      • 2.Sxg3#
    • 1...Be3
      • 2.Sxg3#
    • 1...Bg5
      • 2.Sxg3#
    • 1...Bh6
      • 2.Sxg3#
    • 1...c3
      • 2.Qd3#
  • Keys
    • 1.Bf2!
      • 1...gxf2
        • 2.Shxf2#
      • 1...Bc1
        • 2.Sxg3#
      • 1...Bd2
        • 2.Sxg3#
      • 1...Be3
        • 2.Sxg3#
      • 1...Bg5
        • 2.Sxg3#
      • 1...Bh6
        • 2.Sxg3#
      • 1...Bd5
        • 2.Qh7#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bb7
        • 2.Qxb7#
      • 1...Sd2
        • 2.Sc3#
      • 1...Sa3
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sc5
        • 2.Qd4#
      • 1...Sg5
        • 2.Qd4#
      • 1...Sc7
        • 2.Qd4#
      • 1...Sg7
        • 2.Qd4#
      • 1...Sd8
        • 2.Qd4#
      • 1...Sf8
        • 2.Qd4#
      • 1...c3
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::S(C),XP(b)
    • P(c);N_GUARD::QAB1(G)
  • Actual
    • B(B);
    • Vars
      • P(b);XB(B)::S(C),XP(b)
      • B(e);N_GUARD::S(C),XP(b)
      • B(h);SBLOCK::QAB(G)
      • B(h);N_GUARD::QAB(G),XB(h)
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(a)
      • S(g);N_GUARD,P_SPINP(f)::QAR1(G),XS(g)
      • S(g);N_GUARD,P_SPINP(f)::QAR1(G)
      • P(c);N_GUARD::QAB1(G)
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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).