MESON Chess Problem Database

Problem Display
PID: 91596 (1B6/3Nb1p1/1PbqPPBp/2N2n1r/RK2nk1P/4p2Q/5P2/8 w - - 0 1)

Stocchi, Ottavio

Probleemblad, 1949

1B6/3Nb1p1/1PbqPPBp/2N2n1r/RK2nk1P/4p2Q/5P2/8

#2

12 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Bxe5#
    • 1...Rxh4
      • 2.Qxf5#
    • 1...Sg5
      • 2.Qxf5#
    • 1...Sd4
      • 2.fxe3#
  • Keys
    • 1.Ka5!
      • threat
        • 2.Sd3#
      • 1...Rxh4
        • 2.Qxf5#
      • 1...Sxh4
        • 2.Qg3#
      • 1...Sg3
        • 2.Qxg3#
      • 1...Qe5
        • 2.Bxe5#
      • 1...Bb5
        • 2.Rxe4#
      • 1...Sd4
        • 2.fxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(g);OGATE::B(L),XQ(g)
    • R(e);N_GUARD,XP(E)::QAR1(B),XS(d)
    • S(b);S_CUTR(e)::QAR1(B),XS(d)
    • S(d);N_GUARD::P(A),XP(a)
  • Actual
    • K(D);N_SPINS(F),P_PINS(b),S_FLIGHT
    • Threat
      • S(F)
    • Vars
      • R(e);N_GUARD,XP(E)::QAR1(B),XS(d)
      • S(d);N_GUARD,P_PINS(F),XP(E)::QAB1(B)
      • S(d);N_GUARD,P_PINS(F)::QAB1(B),XS(d)
      • Q(g);OGATE,P_PINS(F)::B(L),XQ(g)
      • B(f);N_GUARD::R1(C),XS(b)
      • S(d);N_GUARD,N_SPINS(b),P_PINS(F)::P(A),XP(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).