MESON Chess Problem Database

Problem Display
PID: 22525 (8/3N4/2n2Q2/3k4/8/8/3KB3/8 w - - 0 1)

Kowalewski, Edmund

Chess Life, 1959

8/3N4/2n2Q2/3k4/8/8/3KB3/8

#2

4 + 2

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bf3#
  • Tries
    • 1.Sb6+?
      • 1...Ke4
        • 2.Bd3#
        • 2.Bf3#
      • 1...Kc5!
    • 1.Bc4+?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kxc4!
    • 1.Qxc6+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kxc6!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kxe6!
  • Keys
    • 1.Bb5!
      • 1...Ke4
        • 2.Bxc6#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sd4
        • 2.Qe5#
      • 1...Sb4
        • 2.Qe5#
      • 1...Sa5
        • 2.Qe5#
      • 1...Sa7
        • 2.Qe5#
      • 1...Se7
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...Sd8
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(B)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT,XB(B)
    • Try
      • Q(C);CHECK,XS(b)
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::B(B),XS(b)
      • S(b);N_GUARD::QAR1(C),XS(b)
      • S(b);N_GUARD::QAR1(C)
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).