MESON Chess Problem Database

Problem Display
PID: 102759 (R7/2N1n1p1/2N3Pb/5B2/5k2/8/6Q1/1K6 w - - 0 1)

Heslo "Jagoda"

Revue d'Echecs, 1904

R7/2N1n1p1/2N3Pb/5B2/5k2/8/6Q1/1K6

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Rf8#
    • 1...Bg5
      • 2.Qf2#
    • 1...Sxf5
      • 2.Sd5#
  • Tries
    • 1.Se6+?
      • 1...Ke3
        • 2.Ra3#
      • 1...Kxf5!
  • Keys
    • 1.Re8!
      • 1...Ke3
        • 2.Sd5#
      • 1...Kxf5
        • 2.Rf8#
      • 1...Sxf5
        • 2.Sd5#
        • 2.Re4#
      • 1...Sxc6
        • 2.Qg4#
      • 1...Sxg6
        • 2.Qg4#
      • 1...Bg5
        • 2.Qf2#
      • 1...Sd5
        • 2.Qg4#
      • 1...Sc8
        • 2.Qg4#
      • 1...Sg8
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • K(a);OGATEB,P-FLIGHT,XB(C)::R(G)
    • B(b);SBLOCK::QAR2(B)
    • S(c);N_GUARD,SBLOCK,XB(C)::S(F)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(a);S_FLIGHT::R(G)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
  • Actual
    • R(G);
    • Vars
      • K(a);P_SPINS(c),S_FLIGHT::S(F)
      • K(a);OGATEB,P-FLIGHT,XB(C)::R(G)
      • S(c);XS(D)::QAR1(B)
      • S(c);XP(E)::QAR1(B)
      • B(b);SBLOCK::QAR2(B)
      • S(c);::QAR1(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).