MESON Chess Problem Database

Problem Display
PID: 263763 (3q1N2/2B1p2K/4P1P1/1R2N1R1/4rk1P/3B4/5P2/2b5 w - - 0 1)

Hochberger, Alfred

Tijdschrift vd NSB, 1930

3q1N2/2B1p2K/4P1P1/1R2N1R1/4rk1P/3B4/5P2/2b5

#2

11 + 5

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rg4#
      • 2.Rf5#
    • 1...Re2
      • 2.Rg4#
      • 2.Rf5#
    • 1...Re3
      • 2.Rg4#
      • 2.Rf5#
    • 1...Ra4
      • 2.Rg4#
      • 2.Rf5#
    • 1...Rb4
      • 2.Rg4#
      • 2.Rf5#
    • 1...Rc4
      • 2.Rg4#
      • 2.Rf5#
    • 1...Rd4
      • 2.Rg4#
      • 2.Rf5#
  • Keys
    • 1.Rg3!
      • threat
        • 2.Rf3#
      • 1...Kf5
        • 2.Sed7#
      • 1...Qxd3
        • 2.Sxd3#
      • 1...Rxe5
        • 2.Bxe5#
      • 1...Re3
        • 2.Rg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(c);P-FLIGHT,P_SPINR(b),S_CUTQ(e)::R(D)+S(E)
      • Q(e);XB(B)::B(I)+S(E),DCHECK,XQ(e)
      • R(b);OGATE,P_SPINR(b),XS(E)::B(I),XR(b)
      • R(b);::R1(F)
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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).