MESON Chess Problem Database

Problem Display
PID: 102296 (8/4K3/n3B3/8/p3kP2/1N2p3/8/5Q2 w - - 0 1)

Johansson, H

Dagens Nyheter, 1912

8/4K3/n3B3/8/p3kP2/1N2p3/8/5Q2

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2+?
      • 1...Kd4
        • 2.Qc4#
      • 1...exd2!
    • 1.Sc5+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Sxc5!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qc4#
      • 1...Kd5
        • 2.Bf3#
      • 1...e2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • P(a);XS(B)
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • S(d);XS(B)
  • Actual
    • B(D);
    • Threat
      • QAR2(A)
    • Vars
      • K(c);S_FLIGHT::B(D)
      • P(a);::QAB1(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).