MESON Chess Problem Database

Problem Display
PID: 195986 (8/1p1B4/1K2P2p/5k1N/5P2/8/8/3Q4 w - - 0 1)

Libis, Zdenek

Sachova skladba, 1986

8/1p1B4/1K2P2p/5k1N/5P2/8/8/3Q4

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • 1...Kxe6
        • 2.Qd7#
      • 1...Kg6
        • 2.Bc2#
      • 1...Ke4!
    • 1.Bc6?
      • 1...Kxe6
        • 2.Qd7#
      • 1...Kg6
        • 2.Be4#
      • 1...bxc6!
    • 1.Be8?
      • 1...Kxe6
        • 2.Qd7#
      • 1...Ke4!
    • 1.Qh1?
      • 1...Kg4
        • 2.e7#
      • 1...Kg6!
    • 1.e7+?
      • 1...Ke4
        • 2.e8Q#
        • 2.e8R#
      • 1...Kg6!
  • Keys
    • 1.Bb5!
      • 1...Ke4
        • 2.Qd3#
      • 1...Kxe6
        • 2.Qd7#
      • 1...Kg6
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(A)
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(A)
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • P(c);XB(F)
    • Try
      • B(F);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::B(F)+P(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);OGATEB,S_FLIGHT,XP(E)::QAB1(A)
      • K(a);S_FLIGHT::B(F)
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).