MESON Chess Problem Database

Problem Display
PID: 60033 (8/4K3/2p1N3/2p1k1p1/1pP3Pb/1PpP4/6n1/2Q5 w - - 0 1)

Giese, Ernst

6th Highly Comm., Brisbane Courier, 1927

8/4K3/2p1N3/2p1k1p1/1pP3Pb/1PpP4/6n1/2Q5

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qxg5#
    • 1...Bf2
      • 2.Qxg5#
    • 1...Bg3
      • 2.Qxg5#
    • 1...Se1
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sf4
      • 2.Qe3#
    • 1...c2
      • 2.Qb2#
      • 2.Qa1#
  • Tries
    • 1.Sd8?
      • threat
        • 2.Sxc6#
      • 1...Se3
        • 2.Qxe3#
      • 1...Kd4!
    • 1.Qg1?
      • threat
        • 2.Qxc5#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sf4
        • 2.Qe3#
      • 1...Bf2!
  • Keys
    • 1.Qh1!
      • 1...Be1
        • 2.Qh8#
      • 1...Bf2
        • 2.Qh8#
      • 1...Bg3
        • 2.Qh8#
      • 1...Se1
        • 2.Qe4#
      • 1...Se3
        • 2.Qe4#
      • 1...Sf4
        • 2.Qe4#
      • 1...c2
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 6
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::QAR2(A),XP(g)
    • S(a);N_GUARD::QAR2(A)
    • S(a);N_GUARD::QAR2(A),XS(a)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F),XP(h)
      • Vars
        • S(a);N_GUARD::QAR2(A),XS(a)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR2(A),XP(e)
      • Vars
        • S(a);N_GUARD::QAR2(A),XS(a)
        • S(a);N_GUARD::QAR2(A)
      • Refutation
        • B(d);
  • Actual
    • Q(A);
    • Vars
      • B(d);OGATE::QAB(A)
      • S(a);OGATE::QAR1(A)
      • P(b);OGATEB::QAB(A)
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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).