Problem Display
PID: 107152 (8/3P4/ppK5/k2p4/3R4/8/8/8 w - - 0 1)

Szasz, Lajos

Teplitz-Schonauer Anzeiger, 1923

8/3P4/ppK5/k2p4/3R4/8/8/8

#2

3 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...b5
      • 2.d8Q#
      • 2.d8B#
  • Tries
    • 1.Kxd5?
      • 1...b5
        • 2.d8Q#
        • 2.d8B#
      • 1...Kb5!
    • 1.Kd6?
      • 1...b5
        • 2.d8Q#
        • 2.d8B#
      • 1...Kb5!
    • 1.Kb7?
      • 1...b5
        • 2.d8Q#
        • 2.d8B#
      • 1...Kb5!
    • 1.Rf4?
      • 1...b5
        • 2.d8Q#
        • 2.d8B#
      • 1...d4!
    • 1.Rg4?
      • 1...b5
        • 2.d8Q#
        • 2.d8B#
      • 1...d4!
    • 1.Rh4?
      • 1...b5
        • 2.d8Q#
        • 2.d8B#
      • 1...d4!
  • Keys
    • 1.d8S!
      • 1...b5
        • 2.Sb7#

There are these versions: 202455, 202619

FEATURES


  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(d);::P=Q
  • Tries
    • Try
      • K(B);S_FLIGHT,XP(b)
      • Vars
        • P(d);SBLOCK::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(d);SBLOCK::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(d);SBLOCK::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Vars
        • P(d);::P=Q
      • Refutation
        • P(b);
    • Try
      • R(A);
      • Vars
        • P(d);::P=Q
      • Refutation
        • P(b);
    • Try
      • R(A);
      • Vars
        • P(d);::P=Q
      • Refutation
        • P(b);
  • Actual
    • P(C);
    • Vars
      • P(d);::S(C)


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).