MESON Chess Problem Database

Problem Display
PID: 82034 (8/2q1P1P1/8/2N5/PNkPBQ2/K1P4R/4p2b/B1n2rrb w - - 0 1)

Ahues, Herbert Siegfried Oskar

Arbejder-Skak, 1948

8/2q1P1P1/8/2N5/PNkPBQ2/K1P4R/4p2b/B1n2rrb

#2

12 + 8

6490 yacpdb 2009
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Qf7#
    • 1...Re1
      • 2.Qf7#
    • 1...Rf3
      • 2.Bd5#
    • 1...Rg2
      • 2.Bd5#
    • 1...Bg2
      • 2.g8Q#
      • 2.g8B#
    • 1...Bf3
      • 2.Qf7#
    • 1...Bg3
      • 2.g8Q#
      • 2.g8B#
    • 1...Sa2
      • 2.Bd3#
    • 1...Sb3
      • 2.Bd3#
    • 1...Sd3
      • 2.Bxd3#
  • Keys
    • 1.Scd3!
      • threat
        • 2.Sb2#
      • 1...Sxd3
        • 2.Bxd3#
      • 1...Rf3
        • 2.Bd5#
      • 1...Rg3
        • 2.Qxc7#
      • 1...Bf3
        • 2.Qf7#
      • 1...Bg3
        • 2.g8Q#
        • 2.g8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(b);N_GUARD::QAB(I)
    • R(b);P_PINP(C),S_CUTB(d)::B(H)
    • R(c);S_CUTB(d)::B(H)
    • B(d);S_CUTR(c)::P=Q
    • B(d);S_CUTR(b)::QAB(I)
    • B(f);S_CUTR(c)::P=Q
    • S(a);N_GUARD::B(H)
    • S(a);N_GUARD::B(H),XS(a)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • S(a);OGATE,XS(J)::B(H),XS(a)
      • R(b);S_CUTB(d)::B(H)
      • R(c);S_CUTB(f)::QAR(I),XQ(h)
      • B(d);S_CUTR(b)::QAB(I)
      • B(f);S_CUTR(c)::P=Q
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).