MESON Chess Problem Database

Problem Display
PID: 240395 (5r2/2N5/2p1P1pq/1P3kn1/1RK3NQ/1B1p1P2/7B/8 w - - 0 1)

Zilahi, Zoltan

Tijdschrift vd KNSB, 1956

5r2/2N5/2p1P1pq/1P3kn1/1RK3NQ/1B1p1P2/7B/8

#2

10 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.Se3#
      • 2.Sxh6#
    • 1...Sxf3
      • 2.Sxh6#
    • 1...Sh3
      • 2.Sxh6#
    • 1...Se4
      • 2.Sxh6#
    • 1...Sxe6
      • 2.Sxh6#
    • 1...Sf7
      • 2.Qf6#
    • 1...Sh7
      • 2.Sxh6#
    • 1...cxb5+
      • 2.Rxb5#
  • Tries
    • 1.Kxd3?
      • threat
        • 2.Rf4#
      • 1...Sxf3
        • 2.Sxh6#
      • 1...Sxe6
        • 2.Sxh6#
        • 2.Bxe6#
      • 1...Sh3
        • 2.Sxh6#
      • 1...Se4
        • 2.Sxh6#
        • 2.fxe4#
      • 1...Sf7
        • 2.Qf6#
      • 1...Sh7
        • 2.Sxh6#
      • 1...Rd8+!
  • Keys
    • 1.Kc5!
      • threat
        • 2.Rf4#
      • 1...Se4+
        • 2.fxe4#
      • 1...Sxe6+
        • 2.Bxe6#
      • 1...Sxf3
        • 2.Sxh6#
      • 1...Sh3
        • 2.Sxh6#
      • 1...Sf7
        • 2.Qf6#
      • 1...Sh7
        • 2.Sxh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(c);XP(C)::S(F),XQ(f)
    • S(c);::S(F),XQ(f)
    • S(c);XP(I)::S(F),XQ(f)
    • S(c);OGATE::QAR1(G)
    • P(d);CHECK,OGATE,XP(H)::R(D),XP(d)
  • Tries
    • Try
      • K(E);S_FLIGHT,XP(a)
      • Threat
        • R1(D)
      • Vars
        • S(c);XP(C)::S(F),XQ(f)
        • S(c);::S(F),XQ(f)
        • S(c);OGATE::QAR1(G)
      • Refutation
        • R(g);CHECK
  • Actual
    • K(E);P-FLIGHT
    • Threat
      • R1(D)
    • Vars
      • S(c);CHECK,OGATE::P(C),XS(c)
      • S(c);CHECK,OGATE,XP(I)::B(B),XS(c)
      • S(c);XP(C)::S(F),XQ(f)
      • S(c);::S(F),XQ(f)
      • S(c);OGATE::QAR1(G)
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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).