MESON Chess Problem Database

Problem Display
PID: 72539 (2B1n1n1/2r2P2/2b1Nkr1/3p2b1/5P1Q/B5N1/K7/4R3 w - - 0 1)

May, G

May, Luigi

Tijdschrift vd NSB, 1931

2B1n1n1/2r2P2/2b1Nkr1/3p2b1/5P1Q/B5N1/K7/4R3

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc8
      • 2.f8Q#
      • 2.f8R#
    • 1...Bd7
      • 2.f8Q#
      • 2.f8R#
    • 1...Se7
      • 2.f8Q#
      • 2.f8R#
  • Tries
    • 1.Sh5+?
      • 1...Kf5
        • 2.Sd4#
        • 2.Seg7#
        • 2.Re5#
        • 2.Qh3#
      • 1...Kxf7!
  • Keys
    • 1.Sd8!
      • threat
        • 2.Sh5#
      • 1...Kg7
        • 2.f8Q#
      • 1...Rxc8
        • 2.f8Q#
      • 1...Rh6
        • 2.Qxg5#
      • 1...Rg7
        • 2.Re6#
      • 1...Rd7
        • 2.fxe8S#
      • 1...Bd7
        • 2.f8Q#
      • 1...Sg7
        • 2.fxg8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,XB(I)::P=Q
    • B(c);S_CUTR(f)::P=Q
    • S(h);S_CUTR(f)::P=Q
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(d);N_SPINB(b),P-FLIGHT,XP(H)
  • Actual
    • S(G);
    • Threat
      • S(D)
    • Vars
      • K(d);N_SPINB(b),S_FLIGHT::P=Q
      • R(f);N_GUARD,XB(I)::P=Q
      • R(e);N_GUARD::QAB1(F),XB(b)
      • R(e);SBLOCK::R1(A)
      • R(f);S_CUTB(c)::PXS(g)=S
      • B(c);S_CUTR(f)::P=Q
      • S(g);SBLOCK,S_CUTR(e)::PXS(h)=S
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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).