MESON Chess Problem Database

Problem Display
PID: 202543 (1B3N2/6K1/4rPN1/3kP1p1/1P1b2P1/1n1Q4/2R5/5B1b w - - 0 1)

Clark, Robert Winslow

Brisbane Courier, 1923

1B3N2/6K1/4rPN1/3kP1p1/1P1b2P1/1n1Q4/2R5/5B1b

#2

11 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Se7#
    • 1...Rb6
      • 2.Se7#
    • 1...Rc6
      • 2.Se7#
    • 1...Rxf6
      • 2.Se7#
    • 1...Re7+
      • 2.Sxe7#
    • 1...Bg2
      • 2.Bxg2#
    • 1...Bf3
      • 2.Qxf3#
    • 1...Be4
      • 2.Qc4#
      • 2.Qxb3#
    • 1...Sa1
      • 2.Rc5#
    • 1...Sc1
      • 2.Rc5#
    • 1...Sd2
      • 2.Rc5#
    • 1...Sa5
      • 2.Rc5#
    • 1...Sc5
      • 2.Rxc5#
  • Keys
    • 1.Rc6!
      • 1...Re7+
        • 2.Sxe7#
      • 1...Kxc6
        • 2.Qb5#
      • 1...Rxe5
        • 2.Rd6#
      • 1...Rxc6
        • 2.Se7#
      • 1...Rxf6
        • 2.Se7#
      • 1...Rd6
        • 2.Rxd6#
      • 1...Re8
        • 2.Rd6#
      • 1...Bg2
        • 2.Bxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.Qc4#
      • 1...Sa1
        • 2.Rc5#
      • 1...Sc1
        • 2.Rc5#
      • 1...Sd2
        • 2.Rc5#
      • 1...Sa5
        • 2.Rc5#
      • 1...Sc5
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD::S(H)
    • R(f);N_GUARD,XP(G)::S(H)
    • R(f);CHECK,N_GUARD::S(H),XR(f)
    • B(a);N_GUARD::B(A),XB(a)
    • B(a);N_GUARD::QAB(C),XB(a)
    • S(b);N_GUARD::R1(B)
    • S(b);N_GUARD::R1(B),XS(b)
  • Actual
    • R(B);
    • Vars
      • R(f);CHECK,N_GUARD::S(H),XR(f)
      • K(d);N_SPINB(c),S_FLIGHT,XR(B)::QAB1(C)
      • R(f);N_GUARD,XP(F)::R1(B)
      • R(f);N_GUARD,XR(B)::S(H)
      • R(f);N_GUARD,XP(G)::S(H)
      • R(f);N_GUARD::R1(B),XR(f)
      • R(f);N_GUARD::R1(B)
      • B(a);N_GUARD::B(A),XB(a)
      • B(a);N_GUARD::QAB(C),XB(a)
      • B(a);SBLOCK::QAB1(C)
      • S(b);N_GUARD::R1(B)
      • S(b);N_GUARD::R1(B),XS(b)
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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).