MESON Chess Problem Database

Problem Display
PID: 259203 (2b2R1Q/1p2r3/2q4N/2pp4/1p3N1R/3pk3/8/1K2B1bB w - - 0 1)

Larsson, Lennart

Skakbladet, 1989

2b2R1Q/1p2r3/2q4N/2pp4/1p3N1R/3pk3/8/1K2B1bB

#2

8 + 10

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Qxe5#
    • 1...Re6
      • 2.Sg4#
      • 2.Sf5#
      • 2.Rh3#
    • 1...Rc7
      • 2.Qe5#
    • 1...Rd7
      • 2.Sg4#
      • 2.Sf5#
      • 2.Rh3#
      • 2.Qe5#
    • 1...Rf7
      • 2.Qe5#
    • 1...Rh7
      • 2.Qe5#
    • 1...Bh3
      • 2.Rxh3#
    • 1...Bg4
      • 2.Sxg4#
    • 1...Bf5
      • 2.Sxf5#
    • 1...Be6
      • 2.Qe5#
  • Keys
    • 1.Qb2!
      • threat
        • 2.Sg2#
      • 1...Qf6
        • 2.Sxd5#
      • 1...Qg6
        • 2.Sxd5#
      • 1...Rf7
        • 2.Qe5#
      • 1...Rg7
        • 2.Qe5#
      • 1...Bh3
        • 2.Rxh3#
      • 1...Bg4
        • 2.Sxg4#
      • 1...Bf5
        • 2.Sxf5#
      • 1...d2
        • 2.Qxd2#
      • 1...d4
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(i);N_GUARD::QAR2(H),XR(i)
    • R(i);N_GUARD::QAR2(H)
    • B(j);N_GUARD::R(E),XB(j)
    • B(j);N_GUARD::S(F),XB(j)
    • B(j);S_CUTR(i)::QAR2(H)
  • Actual
    • Q(H);
    • Threat
      • S(D)
    • Vars
      • Q(g);N_GUARD::S(D),XP(f)
      • R(i);N_GUARD::QAR2(H)
      • B(j);N_GUARD::R(E),XB(j)
      • B(j);N_GUARD::S(F),XB(j)
      • P(b);::QAB1(H),XP(b)
      • P(f);SBLOCK::QAB1(H)
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).