sábado, 29 de janeiro de 2011

O PÉ-DE-AVESTRUZ ─ II

VIII ─ O "Pé-de-Avestruz"
e uma dama e três pedras

(CONTINUAÇÃO - I)

 5

Com a dama em a5:

I

                                     1. d4-f2                 a5-e1
                                     2. f2-h4                 e1-a5
                                     3. h4-e1                 a7-b6
                                     4. e5-c3                 a5xd2
                                     5. e1xc7                X.

II

                                      1. ...                       a5-e1
                                      2. d4-e3                 e1-a5
                                      3. e3-f2                 a5-e1
                                      4. f2-h4                 X.


Com a dama em e1:

I

                                      1. d4-e3                  e1-a5
                                      2. e3-f2                  X.

II

                                      1. ...                        e1-a5
                                      2. d4-f2                  X.


   6

Com a dama em g1:
I

                                     1. h6-f4                g1-b6
Se 1. ... g1-c5   2. f4-g5 h4xf6   3. h8xb6 a7xc5   4. h2-e5 X.
Se 1. ... a7-b6    2. f4-g5 h4xf6    3. h8xa7 f8-e7/g7    4. h2-f4 e7/g7-f6    5. f4-e3 X.
Se 1. ... h4-g3   2. f4-e3 X.
Se 1. ... f8-g7   2. h8xa1 h4-g3   3. f4-e3 X.
Se 1. ... f8-e7   2. f4-d2 g1-b6 (se 2. ... g1-c5   3. d2-g5 h4xf6   4. h8xb6 a7xc5   5. h2-e5 X; se 2. ... a7-b6   3. d2-g5 h4xf6   4. h8xa7 e7-f6   5. h2-d6 X)   3. d2-b4 X.
                                     2. h2-g1                b6-a5
Se 2. ... b6-d8   3. f4-h2 d8-a5 (se 3. ... d8-e7   4. h8-f6 X; se 3. ... f8-e7   4. g1-c5 X)   4. h2-b8 a5-d8   5. h8-f6 d8xg5   6. b8-g3 X.
                                     3. f4-h2                 a5-d8
                                     4. h8-f6                 d8xg5
                                     5. h2-g3                 h4xf2
                                     6. g1xh6                a7-b6
                                     7. h6-e3                 b6-a5
                                     8. e3-d4                 X.

II

                                     1. ...                       g1-b6
Se 1. ... a7-b6   2. h6-g5 X.
Se 1. ... f8-e7   2. h6-f8 X.
                                     2. h6-c1               b6-g1
Se 2. ... b6-d8   3. h8-f6 X.
Se 2. ... b6-a5   3. c1-e3 a5-d8  (se 3. ... a5-b6   4. h2-g1 b6xf2  5. g1xe3 h4-g3   6. e3-f4 X) 4. e3-g1 d8-a5   5. h8-a1 a5-d8   6. a1-f6 X.
                                     3. c1-f4                g1-b6
                                     4. h2-g1               X.

Com a dama em b6:
I

                                     1. h6-c1                 X.

II

                                     1. ...                         b6-g1
Se 1. ...b6-a5   2. h6-e3 X.
                                     2. h6-f4                 X.

Com a dama em e1:

I

                                     1. h6-e3                     e1-a5
                                     2. e3-g1                 X.

II

                                     1. ...                       e1-a5
Se 1. ... a7-b6   2. h6-e3 f8-g7   3. h8xa7 e1-c3   4. e3-d2 c3xe1   5. a7-f2 X.
                                     2. h6-e3                 a5-d8
                                     3. e3-g1                 X.

Com a dama em a5:

I

                                     1. h6-e3                 X.

II

                                     1. ...                       a5-b6
Se 1. ... a7-b6   2. h6-e3 X.
Se 1. ... a5-e1   2. h6-e3 e1-a5   3. e3-g1 X.
                                     2. h6-c1               X.

Com a dama em a3:

I

                                     1. h6-c1                a7-b6
Se 1. ... a3-c5   2. c1-g5 h4xf6   3. h8xb6 a7xc5   4. h2-e5 X.
                                     2. c1-e3                f8-g7
Se 2. ... b6-a5   3. e3-c1 a3-b4   4. c1-a3 b4-e7   5. h8-g7 X.
                                     3. h8xa7               a3-b2
                                     4. e3-g5                h4xf6
                                     5. a7-d4                X.

II

                                     1. ...                      a3-c5
Se 1. ... a7-b6   2. h6-e3 b6-a5   3. e3-c1 a3-b4   4. c1-a3 X.
Se 1. ... f8-e7   2. h6-f8   e7-d6   3. h2xb8 X.
                                    2. h6-g5                 X.

  7
  
        
               Com a dama em a5:

I

                                    1. e5-g3                a5-e1
Se 1. ... b8-a7   2. g3-e5 e proceda como no Diagrama 5.
                                    2. g3-h2                b8-a7
                                    3. h2-e5                e1-a5
e veja o citado Diagrama 5.

II

                                     1. ...                    a5-e1
                                     2. e5-h2              b8-a7
                                     3. h2-e5              X.

Com a dama em e1:

I

                                     1. e5-h2              b8-a7
                                     2. h2-e5              X.

II

                                     1. ...                    e1-a5
Se 1. ... b8-a7, retorne ao Diagrama 5, “Com a dama em e1.”
                                    2. e5-g3              X.


PROBLEMAS

Problema 1
Jogam as brancas e ganham


Problema 2
 
Jogam as brancas e ganham


As soluções desses problemas, veja na próxima postagem, que não demora a chegar...




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