MESON Chess Problem Database

Problem Display
PID: 58858 (3N3B/2P5/1b6/pR1n1k2/3p2RK/r1r4p/2qpN3/7b w - - 0 1)

Muller, WC Jr

1st HM., Brisbane Courier, 1921

3N3B/2P5/1b6/pR1n1k2/3p2RK/r1r4p/2qpN3/7b

#2

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.Rxd5#
    • 1...Rc5
      • 2.Sxd4#
    • 1...Bf3
      • 2.Sg3#
    • 1...Be4
      • 2.Rg5#
    • 1...Bc5
      • 2.c8Q#
      • 2.c8B#
    • 1...Bxc7
      • 2.Sxd4#
    • 1...d3
      • 2.Sg3#
  • Keys
    • 1.Kh5!
      • threat
        • 2.Rf4#
      • 1...Bxc7
        • 2.Sxd4#
      • 1...Qe4
        • 2.Rg5#
      • 1...Rf3
        • 2.Rxd5#
      • 1...Rc5
        • 2.Sxd4#
      • 1...Bf3
        • 2.Sg3#
      • 1...Bc5
        • 2.c8Q#
        • 2.c8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(e);S_CUTB(a)::R(D),XS(i)
    • R(e);N_SPINS(i),S_CUTB(k)::S(A),XP(g)
    • B(a);S_CUTR(e)::S(A)
    • B(a);SBLOCK::R1(B)
    • B(k);N_SPINS(i),S_CUTR(e)::P=Q
    • B(k);N_GUARD,XP(E)::S(A),XP(g)
    • P(g);S_CUTR(e)::S(A)
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • R1(B)
    • Vars
      • B(k);N_GUARD,XP(E)::S(A),XP(g)
      • Q(b);SBLOCK::R1(B)
      • R(e);S_CUTB(a)::R(D),XS(i)
      • R(e);N_SPINS(i),S_CUTB(k)::S(A),XP(g)
      • B(a);P_PINR(B),S_CUTR(e)::S(A)
      • B(k);N_SPINS(i),S_CUTR(e)::P=Q
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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).