MESON Chess Problem Database

Problem Display
PID: 145708 (2BBk1KR/1PP4P/4p3/1pP2P2/1r4p1/q2p1n2/8/b4r2 w - - 0 1)

Paslack, Rainer

Reinhold, Frank

Die Schwalbe, 2011

2BBk1KR/1PP4P/4p3/1pP2P2/1r4p1/q2p1n2/8/b4r2

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Kg7#
    • 1...Rd4
      • 2.Kg7#
    • 1...Bg7
      • 2.Kxg7#
    • 1...Sd4
      • 2.Kg7#
    • 1...Se5
      • 2.Kg7#
    • 1...e5
      • 2.Kg7#
  • Tries
    • 1.c6?
      • threat
        • 2.Bd7#
      • 1...Se5
        • 2.Kg7#
      • 1...Rd4!
    • 1.fxe6?
      • threat
        • 2.Bd7#
      • 1...Rd4
        • 2.Kg7#
      • 1...Se5!
    • 1.f6?
      • threat
        • 2.Kg7#
        • 2.f7#
      • 1...Rf4
        • 2.Kg7#
      • 1...Se1
        • 2.Kg7#
      • 1...Sg1
        • 2.Kg7#
      • 1...Sd2
        • 2.Kg7#
      • 1...Sh2
        • 2.Kg7#
      • 1...Sd4
        • 2.Kg7#
      • 1...Sh4
        • 2.Kg7#
      • 1...Se5
        • 2.Kg7#
      • 1...Sg5
        • 2.Kg7#
      • 1...Bxf6!
  • Keys
    • 1.b8S!
      • threat
        • 2.Bd7#
      • 1...Rd4
        • 2.Kg7#
      • 1...Se5
        • 2.Kg7#

This is a version of 142531

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • R(f);::R(I)+K(H)
    • B(a);::R(I)+K(H),XB(a)
    • S(e);::R(I)+K(H)
    • P(i);::R(I)+K(H)
  • Tries
    • Try
      • P(A);
      • Threat
        • B(F)
      • Vars
        • S(e);::R(I)+K(H)
      • Refutation
        • R(f);
    • Try
      • P(B);XP(i)
      • Threat
        • B(F)
      • Vars
        • R(f);::R(I)+K(H)
      • Refutation
        • S(e);
    • Try
      • P(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);::R(I)+K(H)
        • S(e);::R(I)+K(H)
      • Refutation
        • B(a);XP(B)
  • Actual
    • P(C);
    • Threat
      • B(F)
    • Vars
      • R(f);::R(I)+K(H)
      • S(e);::R(I)+K(H)
HTML5 logo

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).