MESON Chess Problem Database

Problem Display
PID: 250862 (B3N3/3p4/R1b2p1p/2p1kn1R/p3PpnQ/1pK2Ppq/1B1PN2b/8 w - - 0 1)

Mirri, Giorgio

Jerusalem Post, 1951

B3N3/3p4/R1b2p1p/2p1kn1R/p3PpnQ/1pK2Ppq/1B1PN2b/8

#2

11 + 14

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Kc4#
    • 1...Bb5
      • 2.Rxf5#
    • 1...Bd5
      • 2.Kd3#
      • 2.Rxf5#
    • 1...Bb7
      • 2.Kd3#
      • 2.Kc4#
      • 2.Rxf5#
    • 1...Bxa8
      • 2.Kd3#
      • 2.Kc4#
      • 2.Rxf5#
    • 1...Sf2
      • 2.Qxf6#
    • 1...Se3
      • 2.Qxf6#
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Rxf5#
      • 1...Kxf4
        • 2.Rxf5#
      • 1...Bxe4
        • 2.Sg6#
      • 1...Sf2
        • 2.Kc4#
      • 1...Se3
        • 2.Kd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(k);XP(F)::B(A)+K(D)
    • B(k);::R1(H),XS(j)
    • S(g);N_GUARD::QAB1(G),XP(l)
  • Actual
    • S(C);XP(f)
    • Threat
      • R1(H),XS(j)
    • Vars
      • K(i);N_SPINS(j),P_SPINS(g),S_FLIGHT,XS(C)::R1(H),XS(j)
      • B(k);XP(F)::S(C)
      • S(g);::B(A)+K(D)
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).