MESON Chess Problem Database

Problem Display
PID: 119893 (1n6/6Q1/1N1K4/k2p4/1NB1b3/p7/8/8 w - - 0 1)

Cumpe, Josef

Teplitz-Schonauer Anzeiger, 1936

1n6/6Q1/1N1K4/k2p4/1NB1b3/p7/8/8

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb6
      • 2.Qc7#
  • Tries
    • 1.Sc6+?
      • 1...Kxb6
        • 2.Qa7#
        • 2.Qc7#
      • 1...Sxc6!
    • 1.Qg1?
      • threat
        • 2.Qc5#
      • 1...Kxb4
        • 2.Qe1#
      • 1...Sa6
        • 2.Sc6#
      • 1...Sd7
        • 2.Sc6#
      • 1...d4!
    • 1.Qa7+?
      • 1...Sa6
        • 2.Sc6#
      • 1...Kxb4!
    • 1.Qc7?
      • threat
        • 2.Qc5#
      • 1...Sa6
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sd7
        • 2.Sc6#
      • 1...Kxb4!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qc5#
      • 1...Kxb4
        • 2.Qd2#
      • 1...Sa6
        • 2.Sc6#
      • 1...Sd7
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,S_FLIGHT,XS(C)::QAB1(E)
  • Tries
    • Try
      • S(A);CHECK
      • Refutation
        • S(e);XS(A)
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(A)::QAB(E)
        • S(e);N_GUARD::S(A)
      • Refutation
        • P(d);
    • Try
      • Q(E);CHECK
      • Vars
        • S(e);P_SPINS(e)::S(A)
      • Refutation
        • K(c);S_FLIGHT,XS(A)
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • S(e);N_GUARD::S(A)
        • S(e);N_GUARD::S(A),XS(e)
      • Refutation
        • K(c);S_FLIGHT,XS(A)
  • Actual
    • Q(E);
    • Threat
      • QAR2(E)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(A)::QAB(E)
      • S(e);N_GUARD::S(A)
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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).