MESON Chess Problem Database

Problem Display
PID: 102063 (1R6/2p1K3/8/1nk1pN2/4B3/P1bP4/3Q4/3b4 w - - 0 1)

Schmoll, Werner

Oberosterreichische Nachrichten, 1987

1R6/2p1K3/8/1nk1pN2/4B3/P1bP4/3Q4/3b4

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qb4#
    • 1...Bb2
      • 2.Qb4#
    • 1...Bb4
      • 2.Qxb4#
      • 2.axb4#
    • 1...Bd4
      • 2.Qb4#
    • 1...Sd4
      • 2.Qxc3#
    • 1...Sa7
      • 2.Qxc3#
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qc4#
        • 2.Qd5#
      • 1...Sxa3
        • 2.Qd5#
      • 1...Sd6
        • 2.Qd5#
      • 1...c6
        • 2.Qc4#
      • 1...Bb3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Se6#
      • 1...Kxd4
        • 2.Qf2#
      • 1...Bxd4
        • 2.Qb4#
      • 1...Sxd4
        • 2.Qxc3#
      • 1...exd4
        • 2.Qg5#
      • 1...Bb3
        • 2.Sxb3#
      • 1...Bg4
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • B(b);OGATE::QAB1(A)
    • S(c);N_GUARD::QAR2(A),XB(b)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);XP(B)::QAR1(A)
        • S(c);::QAR1(A)
        • P(f);::QAR1(A)
      • Refutation
        • B(a);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • B(b);OGATE,XS(E)::QAB1(A)
      • S(c);N_GUARD,XS(E)::QAR2(A),XB(b)
      • P(e);OGATEB,SBLOCK,XS(E)::QAR(A)
      • B(a);N_GUARD::S(E),XB(a)
      • B(a);N_GUARD::S(E)
HTML5 logo

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).