MESON Chess Problem Database

Problem Display
PID: 121289 (8/3K4/8/1P1Q4/5N2/8/2p1B3/1R1Nk3 w - - 0 1)

von Wardener, Friedrich Freiherr

Offiziers Schachzeitung, 1906

8/3K4/8/1P1Q4/5N2/8/2p1B3/1R1Nk3

#2

7 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qa5#
      • 1...cxd1Q+
        • 2.Sd3#
      • 1...cxd1R+
        • 2.Sd3#
      • 1...Kd2
        • 2.Qa5#
      • 1...cxb1Q
        • 2.Sg2#
      • 1...cxb1S
        • 2.Sg2#
        • 2.Sd3#
      • 1...cxb1R
        • 2.Sg2#
        • 2.Sd3#
      • 1...cxd1S
        • 2.Sd3#
      • 1...cxd1B
        • 2.Sd3#
      • 1...c1Q
        • 2.Sg2#
        • 2.Sd3#
      • 1...c1B
        • 2.Sg2#
        • 2.Sd3#
      • 1...c1R
        • 2.Sg2#
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • P(b);CHECK,P_SPINQ(b),XS(B)::S(D)
      • P(b);CHECK,P_SPINR(b),XS(B)::S(D)
      • K(a);P_SPINP(b),S_FLIGHT::QAB(F)
      • P(b);XR(A)::S(D)
      • P(b);P_SPINS(b),XS(B)::S(D)
      • P(b);P_SPINB(b),XS(B)::S(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).