MESON Chess Problem Database

Problem Display
PID: 194288 (2BQ1B2/p7/3R4/1kn5/8/2b1N3/2Pp4/3K4 w - - 0 1)

Wastl, Rudolf

Reichspost, 1917

2BQ1B2/p7/3R4/1kn5/8/2b1N3/2Pp4/3K4

#2

7 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Ra6!
      • 1...Kb4
        • 2.Qa5#
      • 1...Sxa6
        • 2.Bd7#
      • 1...Ba5
        • 2.Qxa5#
      • 1...Ba1
        • 2.Qa5#
      • 1...Bb2
        • 2.Qa5#
      • 1...Bb4
        • 2.c4#
      • 1...Bd4
        • 2.Qa5#
      • 1...Be5
        • 2.Qa5#
      • 1...Bf6
        • 2.Qa5#
      • 1...Bg7
        • 2.Qa5#
      • 1...Bh8
        • 2.Qa5#
      • 1...Sb3
        • 2.Qd3#
        • 2.Qd7#
        • 2.Qe8#
      • 1...Sd3
        • 2.Qxd3#
        • 2.Qd7#
        • 2.Qe8#
      • 1...Sa4
        • 2.Qd3#
        • 2.Qd7#
        • 2.Qe8#
      • 1...Se4
        • 2.Qd3#
        • 2.Qd7#
        • 2.Qe8#
      • 1...Se6
        • 2.Qd3#
        • 2.Qd7#
        • 2.Qe8#
      • 1...Sb7
        • 2.Qd3#
      • 1...Sd7
        • 2.Qxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Vars
      • K(c);P-FLIGHT,P_SPINS(d)::QAB1(F)
      • S(d);N_GUARD,SBLOCK,XR(D)::B(E)
      • B(b);N_GUARD::QAR1(F),XB(b)
      • B(b);N_GUARD::QAR1(F)
      • B(b);OGATE,SBLOCK::P(B)
      • S(d);N_GUARD::QAB(F)
      • S(d);N_GUARD::QAB(F),XS(d)
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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).