MESON Chess Problem Database

Problem Display
PID: 232448 (Q1B5/8/4q1Nb/8/3p1Bpp/3Rp1Nk/6p1/5bK1 w - - 0 1)

Dietrich, Albert

Freie Presse, 1982

Q1B5/8/4q1Nb/8/3p1Bpp/3Rp1Nk/6p1/5bK1

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Qxg2#
    • 1...Bxd3
      • 2.Qxg2#
  • Keys
    • 1.Sh1!
      • threat
        • 2.Sf2#
      • 1...gxh1Q+
        • 2.Qxh1#
      • 1...gxh1R+
        • 2.Qxh1#
      • 1...Bxd3
        • 2.Qxg2#
      • 1...Bxf4
        • 2.Sxf4#
      • 1...gxh1S
        • 2.Qxh1#
      • 1...gxh1B
        • 2.Qxh1#
      • 1...g3
        • 2.Bxe6#
      • 1...Qa2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAB1(F),XP(b)
    • B(a);N_GUARD,XR(B)::QAB1(F),XP(b)
  • Actual
    • S(C);P_PINP(c)
    • Threat
      • S(C)
    • Vars
      • P(b);CHECK,OGATE,XS(C)::QAR2(F),XQ(b)
      • P(b);CHECK,OGATE,XS(C)::QAR2(F),XR(b)
      • B(a);N_GUARD,N_SPINP(c),XR(B)::QAB1(F),XP(b)
      • B(i);XB(D)::S(E),XB(i)
      • P(b);OGATE,XS(C)::QAR2(F),XS(b)
      • P(b);OGATE,XS(C)::QAR2(F),XB(b)
      • P(f);N_SPINP(c),OGATEB,P_SPINQ(h)::B(G),XQ(h)
      • Q(h);S_CUTP(f),S_CUTP(f)::QAR2(F)
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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).