MESON Chess Problem Database

Problem Display
PID: 212386 (8/8/2Qp4/k2p4/3K4/8/PN6/8 w - - 0 1)

Speckmann, Werner

The Problemist, 1986

8/8/2Qp4/k2p4/3K4/8/PN6/8

#2

4 + 3

5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qa4#
  • Tries
    • 1.Qa6+?
      • 1...Kb4
        • 2.Sd3#
        • 2.Qa4#
      • 1...Kxa6!
  • Keys
    • 1.a4!
      • 1...Kb4
        • 2.Qc3#

This anticipates 7507(1990)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(D)
  • Tries
    • Try
      • Q(D);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(D)
  • Actual
    • P(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
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).