MESON Chess Problem Database

Problem Display
PID: 194780 (6K1/p4R2/k6b/1pPN1p2/1P3pb1/4pN1r/5n1Q/5qRB w - - 0 1)

Brugge, Joachim

Die Schwalbe, 2018

6K1/p4R2/k6b/1pPN1p2/1P3pb1/4pN1r/5n1Q/5qRB

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Ra1#
    • 1...Qa1
      • 2.Rxa1#
    • 1...Rxf3
      • 2.Qxh6#
    • 1...Rg3
      • 2.Qxh6#
    • 1...Bxf3
      • 2.Rg6#
    • 1...Sd1
      • 2.Qa2#
    • 1...Sxh1
      • 2.Qa2#
    • 1...Sd3
      • 2.Qa2#
    • 1...Se4
      • 2.Qa2#
  • Tries
    • 1.Se1?
      • threat
        • 2.Sc7#
      • 1...Sxh1
        • 2.Qa2#
      • 1...Rf3
        • 2.Qxh6#
      • 1...Bf3
        • 2.Rg6#
      • 1...Se4
        • 2.Qa2#
      • 1...f3
        • 2.Qd6#
      • 1...Qg2!
    • 1.Sh4?
      • threat
        • 2.Sc7#
      • 1...Sxh1
        • 2.Qa2#
      • 1...Qg2
        • 2.Ra1#
      • 1...Bf3
        • 2.Rg6#
      • 1...Se4
        • 2.Qa2#
      • 1...f3
        • 2.Qd6#
      • 1...Rf3!
    • 1.Se5?
      • threat
        • 2.Sc7#
      • 1...Sxh1
        • 2.Qa2#
      • 1...Qg2
        • 2.Ra1#
      • 1...Rf3
        • 2.Qxh6#
      • 1...Bf3
        • 2.Rg6#
      • 1...Se4
        • 2.Qa2#
      • 1...f3!
    • 1.Sg5?
      • threat
        • 2.Sc7#
      • 1...Sxh1
        • 2.Qa2#
      • 1...Qg2
        • 2.Ra1#
      • 1...Rf3
        • 2.Qxh6#
      • 1...Se4
        • 2.Qa2#
      • 1...f3
        • 2.Qd6#
      • 1...Bf3!
    • 1.Rxf1?
      • threat
        • 2.Ra1#
      • 1...Sd1
        • 2.Qa2#
      • 1...Bg7!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc7#
      • 1...Sxh1
        • 2.Qa2#
      • 1...Qg2
        • 2.Ra1#
      • 1...Rf3
        • 2.Qxh6#
      • 1...Bf3
        • 2.Rg6#
      • 1...Se4
        • 2.Qa2#
      • 1...f3
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(a);OGATE::R(A)
    • Q(a);OGATE::R(A),XQ(a)
    • R(d);OGATE,XS(D)::QAB1(C),XB(j)
    • R(d);OGATE::QAB1(C),XB(j)
    • B(f);OGATE,XS(D)::R(A)
    • S(b);OGATE::QAR(C)
    • S(b);OGATE,XB(B)::QAR(C)
  • Tries
    • Try
      • S(D);
      • Threat
        • S(G)
      • Vars
        • S(b);OGATE,XB(B)::QAR(C)
        • R(d);OGATE::QAB1(C),XB(j)
        • B(f);OGATE::R(A)
        • S(b);OGATE::QAR(C)
        • P(e);OGATE::QAR(C)
      • Refutation
        • Q(a);
    • Try
      • S(D);
      • Threat
        • S(G)
      • Vars
        • S(b);OGATE,XB(B)::QAR(C)
        • Q(a);OGATE::R(A)
        • B(f);OGATE::R(A)
        • S(b);OGATE::QAR(C)
        • P(e);OGATE::QAR(C)
      • Refutation
        • R(d);
    • Try
      • S(D);
      • Threat
        • S(G)
      • Vars
        • S(b);OGATE,XB(B)::QAR(C)
        • Q(a);OGATE::R(A)
        • R(d);OGATE::QAB1(C),XB(j)
        • B(f);OGATE::R(A)
        • S(b);OGATE::QAR(C)
      • Refutation
        • P(e);
    • Try
      • S(D);
      • Threat
        • S(G)
      • Vars
        • S(b);OGATE,XB(B)::QAR(C)
        • Q(a);OGATE::R(A)
        • R(d);OGATE::QAB1(C),XB(j)
        • S(b);OGATE::QAR(C)
        • P(e);OGATE::QAR(C)
      • Refutation
        • B(f);
    • Try
      • R(A);XQ(a)
      • Threat
        • R(A)
      • Vars
        • S(b);OGATE::QAR(C)
      • Refutation
        • B(j);
  • Actual
    • S(D);
    • Threat
      • S(G)
    • Vars
      • S(b);OGATE,XB(B)::QAR(C)
      • Q(a);OGATE::R(A)
      • R(d);OGATE::QAB1(C),XB(j)
      • B(f);OGATE::R(A)
      • S(b);OGATE::QAR(C)
      • P(e);OGATE::QAR(C)
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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).