MESON Chess Problem Database

Problem Display
PID: 55133 (8/1Q3B2/8/3p4/8/3k4/8/2B1K3 w - - 0 1)

Shinkman, William Anthony

Baltimore Sunday Herald, 1886

(First published on Sun Nov 21 1886)

8/1Q3B2/8/3p4/8/3k4/8/2B1K3

#2

4 + 2

3757 Schachminiaturen I 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxd5#
  • Tries
    • 1.Qxd5+?
      • 1...Kc3
        • 2.Qc4#
        • 2.Qd2#
      • 1...Kc2!
    • 1.Qc6?
      • 1...Ke4
        • 2.Qxd5#
      • 1...d4
        • 2.Bg6#
      • 1...Kd4!
    • 1.Qb3+?
      • 1...Ke4
        • 2.Qxd5#
      • 1...Kd4!
  • Keys
    • 1.Bd2!
      • 1...Kc2
        • 2.Bg6#
      • 1...Kc4
        • 2.Qxd5#
      • 1...Kd4
        • 2.Qxd5#
      • 1...Ke4
        • 2.Qxd5#
      • 1...d4
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);P_SPINP(b),S_FLIGHT::QAB1(C),XP(b)
  • Tries
    • Try
      • Q(C);CHECK,XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(a);P_SPINP(b),S_FLIGHT::QAB1(C),XP(b)
        • P(b);SBLOCK::B(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(C),XP(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT::B(D)
      • K(a);P_SPINP(b),S_FLIGHT::QAB1(C),XP(b)
      • K(a);P-FLIGHT::QAR1(C),XP(b)
      • P(b);SBLOCK::QAB(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).