MESON Chess Problem Database

Problem Display
PID: 71135 (6b1/3B2q1/K2p4/3N4/1Pp1kP2/p4N2/2PQ4/8 w - - 0 1)

Budde, Otto C

Source?, 0000

6b1/3B2q1/K2p4/3N4/1Pp1kP2/p4N2/2PQ4/8

#2

8 + 6

5656 Sammlung Leichterer Schachaufgaben I (Dufresne) 1881

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Sg5#
    • 1...Qb2
      • 2.Sg5#
    • 1...Qc3
      • 2.Sg5#
    • 1...Qf8
      • 2.Sg5#
    • 1...Qh8
      • 2.Sg5#
    • 1...Qg5
      • 2.Sxg5#
    • 1...Qf7
      • 2.Sg5#
    • 1...Qh7
      • 2.Sg5#
    • 1...c3
      • 2.Qd3#
  • Tries
    • 1.Sc3+?
      • 1...Qxc3
        • 2.Sg5#
      • 1...Kxf3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc3#
      • 1...Kxd5
        • 2.Bc6#
      • 1...Qxd4
        • 2.Qg2#
      • 1...Bxd5
        • 2.Bf5#
      • 1...Qg3
        • 2.Sf6#
      • 1...c3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • Q(e);N_GUARD::S(C)
    • Q(e);N_GUARD::S(C),XQ(e)
    • P(b);N_GUARD::QAB1(B)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • Q(e);XS(F)::S(C)
      • Refutation
        • K(c);S_FLIGHT,XS(C)
  • Actual
    • S(C);
    • Threat
      • S(F)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(F)::B(H)
      • Q(e);N_GUARD,SBLOCK,XS(C)::QAB(B)
      • B(f);SBLOCK,XS(F)::B(H)
      • Q(e);N_GUARD::S(F)
      • P(b);::S(F),XP(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).