MESON Chess Problem Database

Problem Display
PID: 100762 (1NN5/8/1b6/2k5/5K2/4P3/2P3b1/Q7 w - - 0 1)

Bosch, Bedrich

Narodni listy, 1909

1NN5/8/1b6/2k5/5K2/4P3/2P3b1/Q7

#2

6 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3+?
      • 1...Kd5
        • 2.Qc6#
      • 1...Kb5!
    • 1.Qa5+?
      • 1...Kc4
        • 2.Sxb6#
        • 2.Sd6#
      • 1...Bxa5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qd4#
      • 1...Kb4
        • 2.Sa6#
      • 1...Kd5
        • 2.Qe5#
      • 1...Kxd6
        • 2.Qe5#
      • 1...Bd5
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • B(c);XQ(A)
  • Actual
    • S(F);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::S(E)
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT,XS(F)::QAB1(A)
      • B(a);SBLOCK::QAB(A)
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).