MESON Chess Problem Database

Problem Display
PID: 167330 (8/1B2p2K/1Q6/r2PrR1p/3Nk2b/3p4/8/6B1 w - - 0 1)

Bottger, Horst

Der Tagesspiegel (Berlin), 1997

8/1B2p2K/1Q6/r2PrR1p/3Nk2b/3p4/8/6B1

#2

7 + 7

15148 Sadier Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Qe6#
    • 1...Re6
      • 2.Qxe6#
    • 1...d2
      • 2.Qb1#
  • Tries
    • 1.Qh6?
      • threat
        • 2.Rf4#
        • 2.Qe3#
        • 2.Qf4#
      • 1...Rexd5
        • 2.Qe3#
        • 2.Qf4#
        • 2.Qe6#
      • 1...Rxf5
        • 2.Qe3#
      • 1...Bf2
        • 2.Qf4#
      • 1...d2
        • 2.Qe3#
      • 1...Re6
        • 2.Qe3#
        • 2.Qf4#
        • 2.Qxe6#
      • 1...Bg3
        • 2.Qe3#
      • 1...Bg5!
  • Keys
    • 1.Se2!
      • threat
        • 2.Rf4#
      • 1...Kxf5
        • 2.Qg6#
      • 1...Rexd5
        • 2.Qe6#
      • 1...Rxf5
        • 2.Qe3#
      • 1...dxe2
        • 2.Qb1#
      • 1...d2
        • 2.Qb1#
      • 1...Re6
        • 2.Qxe6#
      • 1...Bg3
        • 2.Sxg3#
      • 1...Bg5
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATEB,P_SPINR(e),XP(C)::QAR2(E)
    • R(e);OGATEB::QAR2(E),XR(e)
    • P(a);OGATEB::QAB(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • DUALS(3)
      • Vars
        • R(e);XR(D)::QAR1(E)
        • B(c);::QAR1(E)
        • P(a);::QAR1(E)
      • Refutation
        • B(c);
  • Actual
    • S(B);
    • Threat
      • R1(D)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(D)::QAB1(E)
      • R(e);OGATEB,P_SPINR(e),XP(C)::QAR2(E)
      • R(e);SBLOCK,XR(D)::QAR1(E)
      • P(a);OGATEB,XS(B)::QAB(E)
      • P(a);OGATEB::QAB(E)
      • R(e);OGATEB::QAR2(E),XR(e)
      • B(c);N_GUARD::S(B),XB(c)
      • B(c);N_GUARD::S(B)
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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).