Problem Display
PID: 6617 (8/Q7/2kp4/8/8/1K6/3R4/5B2 w - - 0 1)

Wurzburg, Otto

Grand Rapids Herald, 1932

8/Q7/2kp4/8/8/1K6/3R4/5B2

#2

4 + 2


371 The Chess Review 1933
3098 FIDE Album (1914-1944) (I) 1971
274 diagrammes 1973
3325 Wurzburg Artistry 1974
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
145 StrateGems 1998
14868 Pirnie Collection 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Bh3?
      • threat
        • 2.Bd7#
      • 1...Kb5
        • 2.Bd7#
      • 1...d5!
    • 1.Ra2?
      • 1...d5
        • 2.Ra6#
      • 1...Kd5!
    • 1.Rf2?
      • 1...d5
        • 2.Rf6#
      • 1...Kd5!
    • 1.Rg2?
      • 1...d5
        • 2.Rg6#
      • 1...Kd5!
    • 1.Rh2?
      • 1...d5
        • 2.Rh6#
      • 1...Kd5!
    • 1.Rd3?
      • 1...Kb5
        • 2.Rc3#
        • 2.Rxd6#
      • 1...d5!
    • 1.Qb7+?
      • 1...Kc5
        • 2.Rd5#
        • 2.Qb5#
        • 2.Qc7#
      • 1...Kxb7!
  • Keys
    • 1.Re2!
      • 1...Kb5
        • 2.Rc2#
      • 1...Kd5
        • 2.Bg2#
      • 1...d5
        • 2.Re6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB,SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB,SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB,SBLOCK::R(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Refutation
        • P(b);
    • Try
      • Q(D);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(D)
  • Actual
    • R(B);
    • Vars
      • K(a);S_FLIGHT::B(A)+R(B)
      • K(a);S_FLIGHT::B(A)
      • P(b);OGATEB,SBLOCK::R(B)


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).