4 Responses to Thursday Quiz

  1. Yuichi Sato says:

    (a) 1.b5 axb5 2.Bxb7
    (a1) 2. …b4 3.a6 b3 ( or 3. …Nxb7 4.axb7 b3 5.b8=Q +- ) 4.a7 a2 ( or 4. …Nxb7 5.a8=Q Nc5 6.Qa3 and if Black plays 6. …Kh7, then 7.Qxc5 a2 8.Qb4, Qb5, Qb6, or Qc2 +- ) 5.Be4 Nb7 6.a8=Q Nc5 7.Qa2 Nxe4 8.fxe4 b1=Q 9.Qxb1 +-
    (a2) 2. ….Nxb7 3.a6
    (a2) ① 3. …Na5 4.a7 Nc6 ( or 4. …b4 5.a8=Q +- ) 5.a8=Q +-
    (a2) ② 3. …Nc5 4.a7 b4 5.a8=Q +-
    (a2) ③ 3. …Nd6 4.a7 b4 5.a8=Q +-
    (a2) ④ 3. …Nd8 4.a7 Nc6 ( or 4. …b4 5.a8=Q +- ) 5.a8=Q +-
    (b) 1.b5 Kh7 2.Bxb7 Nxb7 3.bxa6 Nxa5 4.a7 Nc6 5.a8=Q +-
    (c) 1.b5 b6 2.bxa6 b5 ( or 2. …bxa5 3.a7 a4 4.a8=Q +- ) 3.a7 b4 4.a8=Q +-
    (d) 1.b5 Nc6 2.Bxc6 bxc6 3.bxc6 Kh7 4.c7 Kg7 5.c8=Q +-

  2. bumpaguv says:

    1. b5 axb5 [1…Kh7 2. Bxb7 Nxb7 3. bxa6 +-] 2. Bxb7 Nxb7 [2…b4 3. a6 b3 4. a7 b2 5. Be4 +-] 3. a6 +-

  3. yelenadembo says:

    Very good!

  4. yelenadembo says:

    Well done!

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