MESON Chess Problem Database

Problem Display
PID: 241456 (4r1B1/6pK/3B2RP/5k2/4p1N1/3P1PPN/2n3n1/1qb1r2b w - - 0 1)

Hjelle, David

Norsk Sjakkblad, 1955

4r1B1/6pK/3B2RP/5k2/4p1N1/3P1PPN/2n3n1/1qb1r2b

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Rg5#
    • 1...Re6
      • 2.Bxe6#
    • 1...Ra8
      • 2.Be6#
    • 1...Rb8
      • 2.Be6#
    • 1...Rc8
      • 2.Be6#
    • 1...Rd8
      • 2.Be6#
    • 1...Rf8
      • 2.Be6#
    • 1...Bb2
      • 2.Rg5#
    • 1...Ba3
      • 2.Rg5#
    • 1...Bg5
      • 2.Rxg5#
    • 1...Sce3
      • 2.Rg5#
    • 1...Sge3
      • 2.Rg5#
    • 1...Sf4
      • 2.Rg5#
    • 1...e3
      • 2.Rg5#
    • 1...gxh6
      • 2.Rf6#
  • Keys
    • 1.Se5!
      • threat
        • 2.g4#
      • 1...Sce3
        • 2.fxe4#
      • 1...Sge3
        • 2.dxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 13
  • Sets
    • R(c);S_CUTB(b)::R1(G)
    • R(j);N_GUARD::B(J),XR(j)
    • R(j);N_GUARD::B(J)
    • B(b);N_GUARD::R1(G)
    • B(b);N_GUARD::R1(G),XB(b)
    • S(e);S_CUTB(b)::R1(G)
    • S(f);S_CUTB(b)::R1(G)
    • P(g);S_CUTB(b)::R1(G)
    • P(i);N_GUARD,XP(H)::R1(G)
  • Actual
    • S(E);
    • Threat
      • P(C)
    • Vars
      • S(e);S_CUTR(c)::P(B),XP(g)
      • S(f);S_CUTR(c)::P(A),XP(g)
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).