MESON Chess Problem Database

Problem Display
PID: 233800 (8/Kbn5/4p3/1p2PR1B/6nr/4N2k/4N1pp/6Q1 w - - 0 1)

Schreiber, Kurt

Freie Presse, 1991

8/Kbn5/4p3/1p2PR1B/6nr/4N2k/4N1pp/6Q1

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh5
      • 2.Rxh5#
    • 1...Bf3
      • 2.Rxf3#
    • 1...Ba6
      • 2.Rf3#
      • 2.Qxg2#
    • 1...Bc8
      • 2.Rf3#
      • 2.Qxg2#
    • 1...Sd5
      • 2.Rf3#
      • 2.Qxg2#
  • Keys
    • 1.Sf1!
      • threat
        • 2.Sf4#
      • 1...hxg1Q+
        • 2.Sxg1#
      • 1...hxg1B+
        • 2.Sxg1#
      • 1...Rxh5
        • 2.Rxh5#
      • 1...Sxe5
        • 2.Qxh2#
      • 1...gxf1Q
        • 2.Qg3#
      • 1...gxf1R
        • 2.Qg3#
      • 1...Sf2
        • 2.Qxh2#
      • 1...Se3
        • 2.Qxh2#
      • 1...Sf6
        • 2.Qxh2#
      • 1...Sh6
        • 2.Qxh2#
      • 1...Sd5
        • 2.Rf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 1
  • Sets
    • R(e);OGATE,XB(F)::R(E),XR(e)
    • B(h);N_GUARD::R(E),XB(h)
  • Actual
    • S(C);
    • Threat
      • S(B)
    • Vars
      • P(b);CHECK,XQ(A)::S(B),XQ(b)
      • P(b);CHECK,XQ(A)::S(B),XB(b)
      • R(e);OGATE,XB(F)::R(E),XR(e)
      • S(d);N_GUARD,XP(D)::QAR1(A),XP(b)
      • P(a);OGATE,XS(C)::QAR1(A)
      • S(d);N_GUARD::QAR1(A),XP(b)
      • S(i);S_CUTB(h)::R(E)
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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).