4 Responses to Wednesday Quiz

  1. mdchess says:
    January 29, 2014 at 08:08

    1. Qa5 NxR 2. b6 … looks good

  2. yelenadembo says:
    January 29, 2014 at 21:06

    Interesting, but 1.b6 was played with the idea of 2.Ra5!

  3. Yuichi Sato says:
    January 29, 2014 at 22:01

    (a) 1.b6 axb6 2.Ra5
    (a1) 2. …Qd5 3.Rxd5 Rxd5 ＋－
    (a2) 2. …bxa5 3.Qb5+ and White wins. ( e.g., 3. …Ka7 4.Qxa5+ Kb7 5.Rb1+ Kc6 [ , 5. …Kc8 6.Qa8#, or 5. …Qb3 6.Rxb3+ Kc6 { or 6. …Kc8 7.Qa8# } 7.Qb5# ] 6.Qb5#, 3. …Ka8 4.Qa6+ Kb8 5.Rb1+ Qb3 6.Rxb3# )
    (a3) 2. …Kc8 3.Ra8+ Kb7 4.Qa6# or Qa7#
    (a4) 2. …Nc5?? 3.Ra8#
    (b) 1.b6 Qd5 2.Qxa7+ Kc8 3.Rxc7+ Rxc7 ( 3. …Kd8?? 4.Qb8# ) 4.Rxc7+ Rxc7 ( or 4. …Kd8 5.Qb8# ) 5.Qxc7#
    (c) 1.b6 Rd6 2.Qxa7+ Kc8 3.Rxc7+ Rxc7 ( 3. …Kd8?? 4.Qb8# or Qa8# ) 4.Rxc7+ Qxc7 ( or 4. …Kd8 5.Qb8# or Qa8# ) 5.Qxc7#
    (d) 1.b6 Kc8 ( , 1. …Ka8?? 2.Qxa7#, or 1. …Kb7 2.Qxa7+ Kc8 3.Qa8# ) 2.Qxa7 Rd6 3.Rxc7+ Rxc7 ( 3. …Kd8?? 4.Qb8# or Qa8# ) 4.Rxc7+ Qxc7 ( or 4. …Kd8 5.Qb8# or Qa8# ) 5.Qxc7#
    (e) 1.b6 a6 2.Qxa6 Rd6 3.Qa7+ Kc8 4.Rxc7+ Rxc7 ( 4. …Kd8?? 5.Qb8# or Qa8# ) 5.Rxc7+ Qxc7 ( or 5. …Kd8 6.Qb8# or Qa8# ) 6.Qxc7#
    (f ) 1.b6 a5 2.Rxa5 Kc8 3.Ra8+ Kb7 4.Qa6# or Qa7# )
    (g) 1.b6 Nxc5 2.Qxa7+ Kc8 3.Qa8#

  4. yelenadembo says:
    January 30, 2014 at 07:20

    Very good!

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