MESON Chess Problem Database

Problem Display
PID: 56408 (bB6/3p2pK/6Q1/4n2P/R3nk2/1r2p3/2r1p1PP/2N5 w - - 0 1)

Brogi, Giuseppe

Sinfonie Scacchistiche, 1970

bB6/3p2pK/6Q1/4n2P/R3nk2/1r2p3/2r1p1PP/2N5

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rcc3
      • 2.Sxe2#
    • 1...Rc4
      • 2.Sxe2#
    • 1...Rc5
      • 2.Sxe2#
    • 1...Rc6
      • 2.Sxe2#
      • 2.Rxe4#
    • 1...Rc7
      • 2.Sxe2#
    • 1...Rc8
      • 2.Sxe2#
    • 1...Rb1
      • 2.Sd3#
    • 1...Rb2
      • 2.Sd3#
    • 1...Rd3
      • 2.Sxd3#
    • 1...Rb4
      • 2.Sd3#
    • 1...Rb5
      • 2.Sd3#
    • 1...Rb6
      • 2.Sd3#
    • 1...Rb7
      • 2.Sd3#
      • 2.Rxe4#
  • Tries
    • 1.Qxe4+?
      • 1...Kg5
        • 2.Qxe5#
      • 1...Bxe4+!
  • Keys
    • 1.h4!
      • threat
        • 2.Qg5#
      • 1...Rc4
        • 2.Sxe2#
      • 1...Rb4
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • R(a);N_GUARD::S(A),XP(b)
    • R(a);N_GUARD,N_SPINS(e),P_SPINS(g)::S(A),XP(b)
    • R(c);N_GUARD::S(A)
    • R(c);N_GUARD::S(A),XR(c)
    • R(c);N_GUARD,N_SPINS(e),P_SPINS(g)::S(A)
  • Tries
    • Try
      • Q(F);CHECK,P_PINS(g),XS(e)
      • Vars
        • K(f);N_SPINS(g),S_FLIGHT::QAR2(F),XS(g)
      • Refutation
        • B(j);CHECK,P_SPINB(j),XQ(F)
  • Actual
    • P(C);
    • Threat
      • QAB1(F)
    • Vars
      • R(a);N_GUARD,N_SPINS(e),P_SPINS(g)::S(A),XP(b)
      • R(c);N_GUARD,N_SPINS(e),P_SPINS(g)::S(A)
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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).