MESON Chess Problem Database

Problem Display
PID: 72129 (B2R1R2/7P/4n2N/2PnkP2/3r4/K3P1r1/b3P2Q/B7 w - - 0 1)

Musante, Horacio Luis

Chess, 1952

B2R1R2/7P/4n2N/2PnkP2/3r4/K3P1r1/b3P2Q/B7

#2

12 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Sg4#
    • 1...Sb6
      • 2.Sg4#
    • 1...Sdc7
      • 2.Sg4#
    • 1...Se7
      • 2.Sg4#
  • Keys
    • 1.Rde8!
      • threat
        • 2.Rxe6#
      • 1...Ke4
        • 2.Rxe6#
      • 1...Sxe3
        • 2.Qxg3#
      • 1...Sc3
        • 2.h8Q#
        • 2.h8B#
      • 1...Sb4
        • 2.Sg4#
        • 2.Bxd4#
        • 2.Qxg3#
        • 2.h8Q#
        • 2.h8B#
      • 1...Sf4
        • 2.Bxd4#
      • 1...Sb6
        • 2.Sg4#
        • 2.Bxd4#
        • 2.Qxg3#
        • 2.h8Q#
        • 2.h8B#
      • 1...Sf6
        • 2.Bxd4#
        • 2.Qxg3#
      • 1...Sc7
        • 2.Sg4#
        • 2.Bxd4#
        • 2.Qxg3#
        • 2.h8Q#
        • 2.h8B#
      • 1...Se7
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(d);::S(H)
  • Actual
    • R(K);P_PINS(f)
    • Threat
      • R1(K),XS(f)
    • Vars
      • K(e);N_SPINR(b),N_SPINS(f),P-FLIGHT,P_SPINS(d)::R(K),XS(f)
      • S(d);N_GUARD,XP(E)::QAB(C),XR(b)
      • S(d);N_GUARD,N_PINP(E)::P=Q
      • S(d);N_SPINR(b),P_SPINR(c)::B(A),XR(c)
      • S(d);N_SPINS(f)::S(H)
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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).