MESON Chess Problem Database

Problem Display
PID: 270294 (8/p7/r2RNKp1/p2Pp1P1/R2pk2n/1B6/6p1/n3N1B1 w - - 0 1)

de Simoni, Alessandro

Sinfonie Scacchistiche, 1980

8/p7/r2RNKp1/p2Pp1P1/R2pk2n/1B6/6p1/n3N1B1

#2

9 + 10

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Bxc2#
  • Tries
    • 1.Bc4?
      • threat
        • 2.Bd3#
      • 1...d3
        • 2.Ba2#
        • 2.Bb3#
        • 2.Bxd3#
        • 2.Bb5#
        • 2.Bxa6#
      • 1...Rxd6!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Sdc2#
        • 2.Se2#
        • 2.Sdf3#
        • 2.Sb5#
        • 2.Sf5#
        • 2.Sc6#
        • 2.Se6#
      • 1...Rxd6+
        • 2.Se6#
      • 1...Kf4
        • 2.Se2#
      • 1...Sxb3
        • 2.Sxb3#
      • 1...exd4
        • 2.Rxd4#
      • 1...Rb6
        • 2.Sb5#
      • 1...Rc6
        • 2.Sxc6#
      • 1...Sc2
        • 2.Sdxc2#
      • 1...Sf3
        • 2.Sdxf3#
      • 1...Sf5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(C),XS(a)
  • Tries
    • Try
      • B(C);N_PINP(c)
      • Threat
        • B(C)
      • Refutation
        • R(h);P_PINS(H),XR(G)
  • Actual
    • S(H);P_SPINR(G),XP(c)
    • Threat
      • DUALS(7)
    • Vars
      • R(h);CHECK,XR(G)::R(D)+S(H)
      • K(d);P-FLIGHT::R(D)+S(H),DCHECK
      • S(a);XB(C)::R(D)+S(H),XS(a)
      • P(g);OGATE,P_SPINP(g),XS(H)::R1(D),XP(g)
      • R(h);::R(D)+S(H)
      • R(h);::R(D)+S(H),XR(h)
      • S(a);::R(D)+S(H),XS(a)
      • S(e);::R(D)+S(H),XS(e)
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).