MESON Chess Problem Database

Problem Display
PID: 174917 (2Q5/4B3/3p4/1KR2P2/5kpp/3p2Nr/4P3/3N1nn1 w - - 0 1)

Nemo, Ottmar (Weiss, Ottmar)

Bohemia, 1901

2Q5/4B3/3p4/1KR2P2/5kpp/3p2Nr/4P3/3N1nn1

#2

8 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...dxc5
      • 2.Qc7#
      • 2.Qb8#
    • 1...d5
      • 2.Qc7#
      • 2.Qb8#
  • Tries
    • 1.Rc4+?
      • 1...Ke5
        • 2.Qe6#
      • 1...Kxg3!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Sh5#
      • 1...Kxg3
        • 2.Bxd6#
      • 1...Rxg3
        • 2.Qa4#
      • 1...Sxg3
        • 2.e3#
      • 1...hxg3
        • 2.Qa4#
      • 1...dxc5
        • 2.Qb8#
      • 1...d5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(e);S_FLIGHT::QAR1(H)
      • Refutation
        • K(e);S_FLIGHT,XS(C)
  • Actual
    • Q(H);
    • Threat
      • S(C)
    • Vars
      • K(e);S_FLIGHT,XS(C)::B(G),XP(h)
      • R(d);SBLOCK,XS(C)::QAR(H)
      • S(a);N_GUARD,SBLOCK,XS(C)::P(B)
      • P(g);SBLOCK,XS(C)::QAR(H)
      • P(h);OGATEB,XR(E)::QAB(H)
      • P(h);OGATEB::QAB(H)
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).