MESON Chess Problem Database

Problem Display
PID: 230906 (8/8/8/8/1K6/1Q6/1p6/1k6 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1966

8/8/8/8/1K6/1Q6/1p6/1k6

#2

2 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Ka3?
      • threat
        • 2.Qd1#
        • 2.Qxb2#
      • 1...Ka1
        • 2.Qa2#
        • 2.Qxb2#
      • 1...Kc1!
  • Keys
    • 1.Kc3!
      • threat
        • 2.Qxb2#
      • 1...Ka1
        • 2.Qxb2#
      • 1...Kc1
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • DUALS(2)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • QAR1(A),XP(b)
    • Vars
      • K(a);N_SPINP(b),P-FLIGHT::QAB1(A),XP(b)
      • K(a);N_SPINP(b),P-FLIGHT::QAR1(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).