MESON Chess Problem Database

Problem Display
PID: 189443 (8/8/8/B1K5/6Q1/3B4/5kp1/7b w - - 0 1)

Godager, Fridtjof M

Skakbladet, 1911

8/8/8/B1K5/6Q1/3B4/5kp1/7b

#2

4 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qg3#
  • Tries
    • 1.Be1+?
      • 1...Kxe1
        • 2.Qe2#
      • 1...Ke3
        • 2.Qg3#
        • 2.Qe4#
      • 1...Kg1!
  • Keys
    • 1.Bc7!
      • 1...Ke1
        • 2.Qe2#
      • 1...Kg1
        • 2.Qd4#
      • 1...Ke3
        • 2.Qe2#
      • 1...g1Q
        • 2.Qe2#
      • 1...g1S
        • 2.Qg3#
      • 1...g1B
        • 2.Qe2#
        • 2.Qg3#
      • 1...g1R
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAR2(B)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(b);S_FLIGHT,XB(C)::QAR1(B)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(b);S_FLIGHT::QAR1(B)
      • K(b);P_SPINP(c),S_FLIGHT::QAB(B)
      • P(c);SBLOCK::QAR1(B)
      • P(c);::QAB1(B)
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).