MESON Chess Problem Database

Problem Display
PID: 141878 (1K6/1p1QpN2/4P1p1/6p1/4k2b/1rp2R1P/2n1N3/3Bn1B1 w - - 0 1)

Berry, Charles Vincent E

2nd Prize, Western Daily Mercury, 1904

1K6/1p1QpN2/4P1p1/6p1/4k2b/1rp2R1P/2n1N3/3Bn1B1

#2

9 + 10

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf3
      • 2.Qd5#
    • 1...Rb1
      • 2.Sxc3#
    • 1...Rb2
      • 2.Sxc3#
    • 1...Ra3
      • 2.Qxb7#
    • 1...Rb4
      • 2.Sxc3#
    • 1...Rb5
      • 2.Sxc3#
    • 1...Rb6
      • 2.Sxc3#
    • 1...Bg3+
      • 2.Sxg3#
    • 1...Sg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sxf3
      • 2.Bxc2#
    • 1...g4
      • 2.Rf4#
    • 1...b5
      • 2.Qc6#
      • 2.Qb7#
    • 1...b6
      • 2.Qc6#
      • 2.Qb7#
  • Tries
    • 1.Bxc2+?
      • 1...Sxc2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Kxf3!
    • 1.Qd4+?
      • 1...Kxf3
        • 2.Qg4#
        • 2.Qd5#
      • 1...Sxd4!
  • Keys
    • 1.Qb5!
      • 1...Bg3+
        • 2.Sxg3#
      • 1...Kxf3
        • 2.Qd5#
      • 1...Rxb5
        • 2.Sxc3#
      • 1...Sxf3
        • 2.Bxc2#
      • 1...Bf2
        • 2.Sxg5#
      • 1...Rb1
        • 2.Sxc3#
      • 1...Rb2
        • 2.Sxc3#
      • 1...Ra3
        • 2.Qxb7#
      • 1...Rb4
        • 2.Sxc3#
      • 1...Sg2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa1
        • 2.Re3#
      • 1...Sa3
        • 2.Re3#
      • 1...Se3
        • 2.Rxe3#
      • 1...Sb4
        • 2.Re3#
      • 1...Sd4
        • 2.Re3#
      • 1...g4
        • 2.Rf4#
      • 1...b6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(e);S_FLIGHT,XR(D)::QAB(G)
    • R(c);N_GUARD::S(C),XP(d)
    • R(c);N_GUARD::QAB(G),XP(i)
    • B(f);CHECK,N_GUARD::S(C),XB(f)
    • S(a);N_GUARD::QAB1(G)
    • S(a);N_GUARD::QAB1(G),XS(a)
    • S(a);N_GUARD,SBLOCK,XR(D)::B(A),XS(b)
    • P(g);N_GUARD::R1(D)
  • Tries
    • Try
      • B(A);CHECK,XS(b)
      • Vars
        • S(a);N_GUARD,XB(A)::QAB1(G)
        • S(a);N_GUARD,P_SPINS(a)::QAB1(G),XS(a)
      • Refutation
        • K(e);S_FLIGHT,XR(D)
    • Try
      • Q(G);CHECK
      • Refutation
        • S(b);XQ(G)
  • Actual
    • Q(G);
    • Vars
      • B(f);CHECK,N_GUARD::S(C),XB(f)
      • K(e);S_FLIGHT,XR(D)::QAB(G)
      • R(c);N_GUARD,XQ(G)::S(C),XP(d)
      • S(a);N_GUARD,SBLOCK,XR(D)::B(A),XS(b)
      • B(f);N_GUARD::S(H),XP(g)
      • R(c);N_GUARD::S(C),XP(d)
      • R(c);N_GUARD::QAB(G),XP(i)
      • S(a);N_GUARD::QAB1(G)
      • S(a);N_GUARD::QAB1(G),XS(a)
      • S(b);N_GUARD::R1(D)
      • S(b);N_GUARD::R1(D),XS(b)
      • P(g);N_GUARD::R1(D)
      • P(i);N_GUARD::QAB(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).