MESON Chess Problem Database

Problem Display
PID: 6090 (2BR4/b1p5/N4R1K/3n2Q1/3kb3/1P1pN3/P2qp3/8 w - - 0 1)

Markus, Gustav

Wiener Schachzeitung, 1926

2BR4/b1p5/N4R1K/3n2Q1/3kb3/1P1pN3/P2qp3/8

#2

9 + 8

328 Schweizerische Schachzeitung 1972

SOLUTION

  • SOUND
  • Keys
    • 1.Qg7!
      • threat
        • 2.Rf3#
      • 1...Qxe3+
        • 2.Rf4#
      • 1...Kc3
        • 2.Rc6#
      • 1...Kxe3
        • 2.Qg1#
      • 1...Ke5
        • 2.Rf5#
      • 1...Bh1
        • 2.Re6#
      • 1...Bg2
        • 2.Re6#
      • 1...Bf3
        • 2.Re6#
      • 1...Bf5
        • 2.Re6#
      • 1...Bg6
        • 2.Re6#
      • 1...Bh7
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);P_SPINS(C)
    • Threat
      • QAB(D)+R(F)
    • Vars
      • Q(a);CHECK,SBLOCK,XS(C)::QAB(D)+R(F)
      • K(d);N_SPINS(f),S_FLIGHT::QAB(D)+R(F),DCHECK
      • K(d);N_SPINS(f),OGATEB,S_FLIGHT,XS(C)::QAB(D)
      • B(e);::QAB(D)+R(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).