MESON Chess Problem Database

Problem Display
PID: 19031 (8/1p6/3bB3/5p2/3Bk1p1/nK6/4N3/3Q4 w - - 0 1)

Cimburek, Ladislav

Schach-Welt, 1911

8/1p6/3bB3/5p2/3Bk1p1/nK6/4N3/3Q4

#2

5 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Bd5#
    • 1...Bf4
      • 2.Sc3#
    • 1...f4
      • 2.Sc3#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qd5#
      • 1...Kf3
        • 2.Bd5#
      • 1...Ke5!
    • 1.Bc4?
      • threat
        • 2.Qh1#
        • 2.Qd3#
      • 1...Kf3
        • 2.Bd5#
        • 2.Qh1#
      • 1...f4
        • 2.Qd3#
      • 1...g3
        • 2.Qd3#
      • 1...Sxc4!
    • 1.Bxf5+?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kd5
        • 2.Qh1#
      • 1...Kxf5!
    • 1.Qc2+?
      • 1...Kf3
        • 2.Bd5#
      • 1...Sxc2!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Bxb7#
      • 1...Kf3
        • 2.Bxb7#
      • 1...Kd5
        • 2.Qh1#
      • 1...f4
        • 2.Sc3#
      • 1...b5
        • 2.Bb7#
      • 1...b6
        • 2.Bb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::B(E)
    • B(e);SBLOCK::S(B)
    • P(d);SBLOCK::S(B)
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);::QAB1(A)
        • P(c);::QAB1(A)
      • Refutation
        • S(a);XB(E)
    • Try
      • B(E);CHECK,XP(d)
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT,XB(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • S(a);XQ(A)
  • Actual
    • B(E);
    • Threat
      • B(E),XP(f)
    • Vars
      • K(b);S_FLIGHT::B(E),XP(f)
      • K(b);S_FLIGHT::QAB(A)
      • P(d);SBLOCK::S(B)
      • P(f);::B(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).