MESON Chess Problem Database

Problem Display
PID: 275771 (8/2B2BQp/b2rp3/R2P3N/3pkbK1/2pp3R/8/2N5 w - - 0 1)

Ternblad, Helmer Ludvig

Schackvarlden, 1945

8/2B2BQp/b2rp3/R2P3N/3pkbK1/2pp3R/8/2N5

#2

9 + 9

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Sf6#
    • 1...Rb6
      • 2.Sf6#
      • 2.Qxh7#
    • 1...Rc6
      • 2.Sf6#
      • 2.Qxh7#
    • 1...Rd7
      • 2.Sf6#
      • 2.Qxh7#
    • 1...Rd8
      • 2.Sf6#
      • 2.Qxh7#
    • 1...Be3
      • 2.Sg3#
    • 1...Be5
      • 2.Qxh7#
    • 1...h6
      • 2.Bg6#
  • Tries
    • 1.Qg6+?
      • 1...Ke5
        • 2.Qxe6#
      • 1...hxg6!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Qxd4#
      • 1...Rxd5
        • 2.Sf6#
      • 1...Be3
        • 2.Sg3#
      • 1...Be5
        • 2.Qxh7#
      • 1...e5
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(g);XP(E)::S(F)
    • B(e);N_GUARD,SBLOCK::S(F)
    • B(e);SBLOCK::QAB(I),XP(i)
    • P(i);N_GUARD::B(H)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINR(g),S_CUTB(e)::QAR1(I),XP(h)
      • Refutation
        • P(i);XQ(I)
  • Actual
    • S(A);
    • Threat
      • QAR1(I),XP(c)
    • Vars
      • R(g);XP(E)::S(F)
      • B(e);N_GUARD,SBLOCK::S(F)
      • B(e);SBLOCK::QAB(I),XP(i)
      • P(h);::S(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).