MESON Chess Problem Database

Problem Display
PID: 70970 (8/5K2/1N6/3R4/2p1k3/5R2/6B1/8 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1954

8/5K2/1N6/3R4/2p1k3/5R2/6B1/8

#2

5 + 2

5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Sa4?
      • threat
        • 2.Sc3#
      • 1...c3
        • 2.Sxc3#
      • 1...Kxd5!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Rd3#

This anticipates 79551(1966)

This is a version of 166861

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • S(D)
      • Vars
        • P(a);::S(D),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XR(C)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT,XR(C)::B(A)+R(B),DCHECK
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).