4 Responses to Wednesday Quiz

  1. Yuichi Sato says:
    July 30, 2014 at 14:47

    (a) 1.Qd5+ Nxd5 2.c8=Q+ Ka7 3.Nc6+ Qxc6 ( forced ) 4.Qxc6 ±
    (b) 1.Qd5+ Kc8 2.Qa8+ Kd7 3.c8=Q+ Nxc8 4.Qxc8+ Ke7 5.Nd5+ Kf7 6.Nxb6 ±
    (c) 1.Qd5+ Ka7 2.Nc6+
    (c1) 2. …Nxc6 3.c8=N+ Ka6 4.Nxb6 Kxb6 5.Qxc6+ ±
    (c2) 2. …Ka6 3.Nxe7 Rxe7 4.c8=Q+
    (c2) ① 4. …Rb7 5.Rc6 Qxc6 ( 5. …Ka7 6.Rxb6 Kxb6 [ or 6. …Rxb6 7.Qca8# or Qda8# ] 7.Qcxb7# ) 6.Qdxc6+ Ka5 7.Q8xb7 Rxg3+ 8.hxg3 d5 9.Qbb5# or Qcb5#
    (c2) ➁ 4. …Qb7 5.Rc6+ Ka7 6.Qa5+ Qa6 7.Qaxa6#
    (c3) 2. …Ka8 3.Nxe7+ Ka7 4.c8=Q Qb4 ( 4. …Rxe7 5.Qca8# or Qda8# ) 5.Qca8+ Kb6 6.Qdc6#
    (c4) 2. …Kb7 3.Nxe7+ Ka7 and the same continuation as the (c3) variation.

  2. bumpaguv says:
    July 30, 2014 at 15:29

    1. Qd5+

    1…Nc6 2. c8Q+ Kxc8 3. Rxc6+ Qxc6 4. Qxc6++-

    1…Kc8 2. Qa8+ Kd7 3. c8Q+ Nxc8 4. Qxc8+ Ke7 5. Nd5++-

    1…Ka7 2. c8Q Nxd5 3. Nc6+ Qxc6 4. Rxc6+-

    1…Nxd5 2. c8Q+ Ka7 3. Nc6+ Qxc6 4. Rxc6 Nb4 [4…Rb7 5. Qxf8+-] 5. Rc7+ Rxc7 6. Qxc7+ Ka6 7. Qc4+ Ka7 [7…Ka5 8. a4+-] 8. Qxb4+-

  3. yelenadembo says:
    July 31, 2014 at 07:32

    Very good

  4. yelenadembo says:
    July 31, 2014 at 07:32

    Very good

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