MESON Chess Problem Database

Problem Display
PID: 204277 (K3n3/8/p1PpNR2/3k3n/B1pP4/5P2/1Q2P3/2r1q3 w - - 0 1)

Schneider, Johann Bernhard Michael

5th Prize, Unterfrankische Arbeiter-Schachzeitung, 1925

K3n3/8/p1PpNR2/3k3n/B1pP4/5P2/1Q2P3/2r1q3

#2

9 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qd2
      • 2.e4#
    • 1...Qf2
      • 2.e4#
    • 1...Qc3
      • 2.e4#
    • 1...Qg3
      • 2.e4#
    • 1...Qb4
      • 2.e4#
    • 1...Qa5
      • 2.e4#
    • 1...Qd1
      • 2.e4#
    • 1...Qf1
      • 2.e4#
    • 1...Qg1
      • 2.e4#
    • 1...Qh1
      • 2.e4#
    • 1...Sg3
      • 2.Sf4#
    • 1...Sf4
      • 2.Sxf4#
    • 1...Shxf6
      • 2.Sf4#
    • 1...Shg7
      • 2.Sf4#
    • 1...Sexf6
      • 2.Sc7#
    • 1...Sc7+
      • 2.Sxc7#
    • 1...Seg7
      • 2.Sc7#
    • 1...c3
      • 2.Qa2#
      • 2.Qb3#
    • 1...a5
      • 2.Qb5#
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qg5#
      • 1...Sc7+
        • 2.Sxc7#
      • 1...Qxd2
        • 2.e4#
      • 1...Qxe2
        • 2.Qa5#
      • 1...Shxf6
        • 2.Sf4#
      • 1...Sexf6
        • 2.Sc7#
      • 1...c3
        • 2.Qa2#
      • 1...Qh4
        • 2.Qa5#
      • 1...Qg3
        • 2.Qa5#
        • 2.e4#
      • 1...Qg1
        • 2.Qa5#
        • 2.e4#
      • 1...Sg3
        • 2.Sf4#
      • 1...Sf4
        • 2.Sxf4#
      • 1...Shg7
        • 2.Sf4#
      • 1...Seg7
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(b);N_GUARD::P(B)
    • S(e);N_GUARD::S(G)
    • S(e);N_GUARD::S(G),XS(e)
    • S(e);N_GUARD,XR(H)::S(G)
    • S(h);N_GUARD,XR(H)::S(G)
    • S(h);CHECK,N_GUARD::S(G),XS(h)
    • S(h);N_GUARD::S(G)
    • P(f);N_GUARD::QAR2(A)
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • S(h);CHECK,N_GUARD::S(G),XS(h)
      • Q(b);N_GUARD,XQ(A)::P(B)
      • Q(b);N_GUARD,XP(B)::QAR(A)
      • S(e);N_GUARD,XR(H)::S(G)
      • S(h);N_GUARD,XR(H)::S(G)
      • P(c);OGATEB::QAB(A)
      • Q(b);N_GUARD::QAR(A)
      • S(e);N_GUARD::S(G)
      • S(e);N_GUARD::S(G),XS(e)
      • S(h);N_GUARD::S(G)
HTML5 logo

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).