MESON Chess Problem Database

Problem Display
PID: 124424 (8/2b5/k7/n2R3K/8/8/1Q6/R7 w - - 0 1)

Vogel, Peter

Source?, 0000

8/2b5/k7/n2R3K/8/8/1Q6/R7

#2

4 + 3

5454 Near Snap 2009
3713 Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Raxa5#
      • 2.Rdxa5#
    • 1...Bg3
      • 2.Raxa5#
      • 2.Rdxa5#
    • 1...Bf4
      • 2.Raxa5#
      • 2.Rdxa5#
    • 1...Be5
      • 2.Raxa5#
      • 2.Rdxa5#
    • 1...Bd6
      • 2.Raxa5#
      • 2.Rdxa5#
    • 1...Bb8
      • 2.Raxa5#
      • 2.Rdxa5#
  • Keys
    • 1.Rd7!
      • 1...Ka7
        • 2.Rxa5#
      • 1...Bh2
        • 2.Qb7#
      • 1...Bg3
        • 2.Qb7#
      • 1...Bf4
        • 2.Qb7#
      • 1...Be5
        • 2.Qb7#
      • 1...Bb6
        • 2.Qe2#
      • 1...Bd6
        • 2.Qb7#
      • 1...Bb8
        • 2.Qb7#
      • 1...Bd8
        • 2.Qb7#

Anticipated by 189423(1911)

This anticipates 9808(1910), 47406(1919), 76437(1930), 78015(1955), 29033(1991)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Vars
      • K(b);P-FLIGHT,P_SPINB(c)::R(A),XS(a)
      • B(c);::QAB1(B)
      • B(c);SBLOCK::QAB(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).