MESON Chess Problem Database

Problem Display
PID: 276202 (bb1Q4/2N1p3/4r3/2R2nB1/3Pk3/4p3/4P3/2K4N w - - 0 1)

Hirschenson, Aaron

4th Prize, Pat a Mat, 2004

bb1Q4/2N1p3/4r3/2R2nB1/3Pk3/4p3/4P3/2K4N

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Rxe5#
    • 1...Ra6
      • 2.Re5#
    • 1...Rb6
      • 2.Re5#
    • 1...Rc6
      • 2.Qd5#
    • 1...Rf6
      • 2.Re5#
    • 1...Rg6
      • 2.Re5#
    • 1...Rh6
      • 2.Re5#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Sg3
      • 2.Sxg3#
    • 1...Sxd4
      • 2.Sg3#
    • 1...Sh4
      • 2.Sg3#
    • 1...Sh6
      • 2.Sg3#
    • 1...Sg7
      • 2.Sg3#
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sc3#
      • 1...Rd6
        • 2.Re5#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bd6
        • 2.Qxa8#
      • 1...Sd6
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 12
  • Sets
    • R(d);N_GUARD::R1(E),XR(d)
    • R(d);N_GUARD::R1(E)
    • R(d);P_PINR(E),S_CUTB(f)::QAB1(H)
    • B(f);N_GUARD::QAB1(H),XB(f)
    • S(c);N_GUARD::S(B),XS(c)
    • S(c);N_GUARD,XP(D)::S(B)
    • S(c);N_GUARD::S(B)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • R(d);N_GUARD,S_CUTB(g)::R1(E)
      • B(f);N_GUARD::QAB1(H),XB(f)
      • B(g);OGATE::QAB(H),XB(f)
      • S(c);N_GUARD,S_CUTB(g)::S(B)
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).