MESON Chess Problem Database

Problem Display
PID: 90045 (8/3p2K1/3Pk3/2Q5/3pp3/3PP3/1B3nB1/b2rr3 w - - 0 1)

Reddmann, Hauke

Die Schwalbe, 1997

8/3p2K1/3Pk3/2Q5/3pp3/3PP3/1B3nB1/b2rr3

#2

7 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sh1
      • 2.Bh3#
    • 1...Sxd3
      • 2.Bh3#
    • 1...Sh3
      • 2.Bxh3#
    • 1...dxe3
      • 2.Qe5#
    • 1...exd3
      • 2.Qd5#
  • Tries
    • 1.Bh3+?
      • 1...Sg4
        • 2.Bxg4#
      • 1...Sxh3!
    • 1.exd4?
      • threat
        • 2.Qe5#
      • 1...Sxd3
        • 2.Bh3#
      • 1...exd3
        • 2.Qd5#
      • 1...Sg4!
  • Keys
    • 1.dxe4!
      • threat
        • 2.Qd5#
      • 1...Sxe4
        • 2.Bh3#
      • 1...dxe3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(d);N_GUARD::B(B)
    • S(d);N_GUARD,XP(C)::B(B)
    • S(d);N_GUARD::B(B),XS(d)
    • P(e);P_PINB(A),XP(D)::QAR1(E)
    • P(f);XP(C)::QAB1(E)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • S(d);N_GUARD,P_SPINS(d)::B(B),XS(d)
      • Refutation
        • S(d);XB(B)
    • Try
      • P(D);XP(e)
      • Threat
        • QAR1(E)
      • Vars
        • S(d);N_GUARD,XP(C)::B(B)
        • P(f);XP(C)::QAB1(E)
      • Refutation
        • S(d);
  • Actual
    • P(C);XP(f)
    • Threat
      • QAB1(E)
    • Vars
      • S(d);N_GUARD,XP(C)::B(B)
      • P(e);P_PINB(A),XP(D)::QAR1(E)
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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).