MESON Chess Problem Database

Problem Display
PID: 77610 (3q1N2/3Nnb2/r2pp2p/1R5p/1nQr1k1B/pKb1p3/2BpP1R1/8 w - - 0 1)

Tuhan-Baranowski, Leon

Deutsche Schachzeitung, 1932

3q1N2/3Nnb2/r2pp2p/1R5p/1nQr1k1B/pKb1p3/2BpP1R1/8

#2

9 + 15

274 diagrammes 1974

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qxe4#
    • 1...Bg6
      • 2.Sxe6#
    • 1...Be8
      • 2.Sxe6#
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Bg3#
      • 1...Bxe6+
        • 2.Sxe6#
      • 1...Rd5
        • 2.Qe4#
      • 1...Sbd5
        • 2.Qxh6#
      • 1...Sed5
        • 2.Qf5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...d5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • R(f);OGATE::QAR1(E),XR(f)
    • B(n);N_GUARD::S(I),XP(k)
  • Actual
    • Q(E);N_PINR(f),P_SPINQ(E),XP(k)
    • Threat
      • B(F)
    • Vars
      • B(n);CHECK,XQ(E)::S(I),XB(n)
      • R(f);N_PINQ(E)::QAR1(E)
      • S(e);N_PINQ(E)::QAB(E),XP(l)
      • S(m);N_PINQ(E)::QAR1(E)
      • S(m);N_GUARD::R1(G),XS(m)
      • P(j);N_PINQ(E)::QAB1(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).