MESON Chess Problem Database

Problem Display
PID: 207723 (8/6B1/1Q1Np1n1/3k4/6nR/2p1r3/4N3/K7 w - - 0 1)

Uhler, Ekkehard

Badische Neueste Nachrichten, 1977

8/6B1/1Q1Np1n1/3k4/6nR/2p1r3/4N3/K7

#2

6 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sxc3#
    • 1...Re5
      • 2.Sxc3#
    • 1...Sf2
      • 2.Rd4#
    • 1...Sh2
      • 2.Rd4#
    • 1...S4e5
      • 2.Rd4#
    • 1...Sh6
      • 2.Rd4#
    • 1...Sf4
      • 2.Sxf4#
    • 1...Sxh4
      • 2.Sf4#
    • 1...S6e5
      • 2.Sf4#
    • 1...Se7
      • 2.Sf4#
    • 1...Sf8
      • 2.Sf4#
    • 1...Sh8
      • 2.Sf4#
  • Keys
    • 1.Be5!
      • threat
        • 2.Qb5#
      • 1...Kxe5
        • 2.Qd4#
      • 1...Rxe5
        • 2.Sxc3#
      • 1...S4xe5
        • 2.Rd4#
      • 1...S6xe5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • R(b);N_GUARD::S(B),XP(a)
    • S(c);OGATE::R1(C)
    • S(f);N_GUARD::S(B),XS(f)
    • S(f);N_GUARD,XR(C)::S(B)
    • S(f);N_GUARD::S(B)
  • Actual
    • B(F);
    • Threat
      • QAR2(D)
    • Vars
      • K(d);P-FLIGHT,XB(F)::QAB1(D)
      • R(b);N_GUARD,SBLOCK,XB(F)::S(B),XP(a)
      • S(c);OGATE,SBLOCK,XB(F)::R1(C)
      • S(f);N_GUARD,SBLOCK,XB(F)::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).