sexta-feira, 11 de agosto de 2017

REPUBLICAÇÃO DE POSTAGENS
SUMIDAS DO BLOG, EM JUL.17
(4/18)

DAMAS para crianças e adolescentes 59




O Jogo de Damas é esporte*
* Resolução nº 18/88 do CND. Ver APÊNDICE V, na 18ª postagem, de NOV.12



Meninas
            Sejam bem-vindas ao nosso ESPORTE.
            Ah, vocês não fazem idéia do que estão perdendo...
         E ficarão encantadas com a beleza de certas partidas.
         Lindas partidas: de um Sidney Marra, de um Waldemar Bakumenko, de um Antonio Fabelo Chaves, de um Lourival Mendes França.
         E vocês também poderão fazer bonito no tabuleiro!


PARTE 3

PARTE 2 Sumário (ver postagem 55, de DEZ.15)


 PARTIDAS
PARTIDA 52
Ranulfo Matos 1 X 0 Sidney Marra

                                               1. c3-d4                        f6-g5
                                               2. d4-c5                        b6xd4
                                               3. e3xc5                       d6xb4
                                               4. a3xc5                       g5-h4
                                               5. b2-c3                        g7-f6
                                               6. a1-b2                       f6-g5
                                               7. c3-b4                        e7-d6
                                               8. c5xe7                       f8xd6
                                               9. b2-a3                       a7-b6
                                             10. g3-f4                         g5xe3
                                             11. d2xf4                        d6-e5
                                             12. f4xd6                        c7xe5
                                             13. c1-d2                        h6-g5
                                             14. b4-c5!!                      b6xd4
                                             15. d2-e3                        d4-c3
                                             16. e3-f4                         e5xg3
                                             17. h2xh6                       b8-c7
                                             18. f2-e3                         d8-e7
                                             19. e3-f4                         e7-d6
                                             20. g1-f2                         d6-c5
                                             21. f4-e5                         c5-b4
                                             22. a3xc5                       c3-b2
                                             23. c5-d6                        b2-a1
                                             24. d6xb8                       a1xf6
                                             25. h6-g7                        f6-d4
                                             26. g7-f8                         d4xg1
                                             27. f8-d6                         g1-d4
                                             28. e1-f2                         d4xg1
                                             29. b8-a7                        h8-g7
                                             30. d6-c5                        g1xb6
                                             31. a7xh8                       h4-g3
                                             32. h8-d4
e as pretas abandonam.

O “PÉ-DE-AVESTRUZ” (IV)

FINAIS DE 3 DAMAS X UMA DAMA E DUAS PEDRAS

1.2 O “Pé-de-Avestruz”
e uma Dama e a dupla de pedras
II

2.2
 

                                                                  I

                                               1. e5-c3                       c1-f4
                                               2. a7-e3                       f4xb4
                                               3. a3xc5                      f8-g7
                                               4. c5-d4                       g7-h6
                                               5. d4-c3                       h6-g5
                                               6. c3-d2                       g5-h4
                                               7. d2-e1                       X.

                                                                  II

                                               1. ...                              c1-g5
                                               2. e5-a1                       g5-c1
         Se 2. ... g5-d8   3. a7-e3 d8-c7   4. a3-b4 X.
                                               3. a7-g1                       c1-h6
                                               4. a3-c1                       X.

2.3
 

                                                                  I

                                               1.e5-a1                        h6-c1
         Se 1. ... h6-f4   2. a3-b4 X.
                                               2. a1-c3                       c1-f4
                                               3. a7-e3                       f4xb4
                                               4. a3-f8                        X.

                                                                  II

                                               1. ...                              h6-g7
         Se 1. ... h6-c1   2. e5-c3 X.
         Se 1. ... h6-g5   2. a3-e7 g5xd8   3. e5-c7 X.
                                               2. a3-c5                       g7xb6
                                               3. a7xd4                      X.

2.4
 

         Com a Dama em g5:

                                                                  I

                                               1. a3-c1                       g5-e7
                                               2. e5-f6                        X.

                                                                  II

                                               1. ...                              g5-c1
         Se 1. ... a5-b4   2. a3xc5   h4-g3   3. e5xh2 g5-f6   4. h2-e5 X.
         Se 1. ... g5-h6   2. e5-g7 h6xf8   3. a7-c5 f8xb4   4. a3xd6 X.
         Se 1. ... h4-g3   2. e5xh2 g5-f6   3. a3-e7 X.
                                               2. a7-c5                       c1-d2
         Se 2. ... c1-g5   3. e5-f6 g5xb4   4. a3xd6 X.
         Se 2. ... a5-b4   3. c5-d4 X.
                                               3. a3-c1                       d2-e1
                                               4. c5-d4                       e1-b4
                                               5. c1-a3                       X.

        Com a Dama em c1:

                                                                  I

                                               1. a7-c5
e ganham as brancas, como em Com a Dama em g5 (II), lance 2.

                                                                  II

        Observação ─ Aqui, o lance inicial  não  pode  ser  das pretas, pois, com o sacrifício das duas pedras, elas conseguem o empate.

3.1
 

                                                                  I

                                               1. e5-b2                       c1-h6
         Se 1. ... c1-f4   2. a5-b6 X.
                                               2. b2-c1                       h6-f8
         Se 2. ... h8-g7   3. a5-b6 a7xc5   4. a3xe7 X.
         Se 2. ... a7-b6   3. a5xd8 h8-g7  (se 3. ... h6-g7   4. c1-h6 X)  4. d8-g5 X.
                                               3. c1-h6                       h8-g7
                                               4. a5-b4                       a7-b6
                                               5. b4-d6                       f8xb4
                                               6. a3xa7                      X.

                                                                  II

                                               1. ...                              c1-h6
                                               2. e5-f6                        h6-g7
                                               3. a3-c5                       g7xb6
                                               4. a5xc7                      h8-g7
                                               5. c7-e5                       g7-h6
                                               6. e5-f4                        a7-b6
                                               7. f4-e3                        b6-a5
                                               8. e3-d2                       X.

         Observação ─ Com a Dama em h6 o ganho é bem fácil: 1. e5-f6, etc X.

4.1
 

          Com a Dama em a5:

        Observação  ─ O   primeiro  lance  não  pode  ser  das pretas...

                                               1. d4-e5                       a5-e1
         Se 1. ... b8-c7   2. e5xb8 a5-c3   3. d8-b6 X.
         Se 1. ... a7-b6   2. e5-d4 b8-c7  (se 2. ... b8-a7   3. d4-e5 a5-e1   4. d8xa5 X)  3. d4xa7 c7-d6   4. f8xc5 a5-c3   5. c5-b4 X.
                                               2. e5-f6                        e1-a5
                                               3. f8-d6                        a7-b6
         Se 3. ... a5-d2   4. d6-f4 X.
                                               4. d8-e7                       b8-a7
         Se 4. ... a5-d2/e1   5. d6-c5/g3 X.
                                               5. e7-d8                       a5-e1
                                               6. d8xa5                      e1-h4
                                               7. d6-c7                       X.

         Com a Dama em h6:

                                                                  I

                                               1. d4-b2                       h6-c1
                                               2. d8-a5                       X.

                                                                  II

                                               1. ...                              h6-c1
                                               2. d4-g7                       c1-a3
                                               3. d8-a5                       a3-c1
                                               4. g7-b2                       X.

       Observação ─ Com a Dama em c1 as pretas perdem facilmente: 1. d4-c3 c1-h6   2. c3-b2, etc X. Quando 1. ... c1-h6   2. d4-b2, etc X.

4.2
 

         Com a Dama em c1:

                                               1. d4-c3                       b8-a7
         Se 1. ... c1-h6   2. c3-b2 h6-c1  (se 2. ... b8-a7   3. b2-c1 X)   3. b2-a3 b8-a7   4. f8-h6 X. 
                                               2. c3-e5                       c1-h6
                                               3. e5-b2                       h6-c1
                                               4. b2-a3                       c1-h6
                                               5. a3-c1                       h8-g7
                                               6. d8-g5                       h6xd2
                                               7. c1xe3                      X.

         Com a Dama em e1:

                                                                  I

                                               1. f8-b4                        e1xa5
                                               2. d4-b6                       a5xc7
                                               3. d8xb6                      h8-g7
                                               4. b6-d4                       g7-h6
                                               5. d4-e3                       b8-a7/c7
                                               6. e3-f4                        a7/c7-b6
                                               7. f4-e3                        b6-a5
                                               8. e3-d2                       X.

                                                                  II

                                               1. ...                              b8-a7
                                               2. f8-a3                        e1-a5
         Se 2. ... e1-g3   3. d4-b6 X.
                                               3. a3-d6                       a7-b6
         Se 3. ... a5-d2   4. d4-b6 X.
                                               4. d4xa7                      a5-c3
                                               5. d6-b4                       X.

4.3
 

         Com a Dama em e1:

                                                                  I

                                               1. f8-b4                        e1xa5
                                               2. d4-b6                       a5xc7
                                               3. d8xb6                      h6-g5
                                               4. b6-e3                       g5-h4
                                               5. e3-f4                        b8-a7
                                               6. f4-c7                        X.

                                                                  II

                                               1. ...                              b8-a7
                                               2. d4-e5                       e1-a5
                                               3. f8-e7                        a5-e1
         Se 3. ... a7-b6   4. e5-h8 X.
                                               4. d8-a5                       e1-h4
                                               5. e5-c7                       h4xb6
                                               6. a5xd8                      X.

         Com a Dama em c1:

                                                                  I

                                               1. d4-e3                       c1xf4
                                               2. f8-d6                        f4xc7
                                               3. d8xb6                      h6-g5
                                               4. b6-e3                       g5-h4
                                               5. e3-f4                        b8-a7
                                               6. f4-c7                        X.

                                                                  II

                                               1. ...                              b8-a7
                                               2. f8-a3                        c1-d2
                                               3. d4-e3                       d2xf4
                                               4. d8-b6                       X.

5.1
 

                                                       I

                                               1. d4-f6                        h6-e3
                                               2. b8-f4                        X.

                                                                  II

                                               1. ...                              h6-c1
                                               2. d4-b2                       c1xa3
                                               3. b8-d6                       X.

5.2
 

         Com a Dama em a5:

                                                                  I

                                               1. d4-h8                       a5-b6
         Se 1. ... a7-b6   2. b8-a7 X.
                                               2. b8-e5                       b6-e3
         Se 2. ... b6-a5   3. f8-b4 X.
                                               3. e5-c7                       d8xb6
                                               4. h8-d4                       X.

                                                                  II

                                               1. ...                              a7-b6
         Se 1. ... d8-e7   2. f8xc5 X.
         Se 1. ... d8-c7   2. b8xe5 X.
         Se 1. ... a5-d2   2. d4-b6 X.
         Se 1. ... a5-e1   2. b8-g3 e1xh4   3. d4-f6 X.
         Se 1. ... a5-b6   2. d4-h8 b6-a5  (se 2. ... b6-g1   3. b8-c7   4. h8-d4 X)  3. b8-e5 a5-d2  (se 3. ... a7-b6   4. f8-b4 X)  4. f8-e7 d8xd4   5. h8xe1 X.
                                               2. d4xa7                      d8-e7
         Se 2. ... a5-c3   3. b8-c7 X.
                                               3. f8xd6                       a5-c3
                                               4. a7-d4                       X.

        Com a Dama em h6:

                                                                  I

                                               1. d4-f6                        a7-b6
                                               2. b8-a7                       b6-a5
                                               3. a7-b8                       h6-e3
                                               4. b8-f4                        X.

                                                                  II

         Observação  ─  Aqui, o lance inicial não pode ser das pretas, porque: 1. ... d8-e7!   2. f8xc5  (2. f8xa3 a7-b6   3. d4xa7 h6-g7 com empate)  h6-f8!   3. c5-a3 a7-b6   4. d4xa7 f8-g7 com empate.
(CONTINUA)
DESAFIO

Problemas

Recém-publicados na outra seção do blog ─ PROBLEMAS E ESTUDOS

Solução da postagem anterior

Problema 95

                                               1. g3-h2 Cavilha Dama Branca e1xg3
                                               2. h2xg7 Finta                h8xf6
                                               3. e3-f4                        g5xe3
                                               4. e7xg5                      h4xf6
                                               5. d8xc1 Mate Cruzado        X.

         Temas: Cavilha Dama Branca, Finta e Mate Cruzado


 PROBLEMA 96 
 
Jogam as brancas e ganham


         Solução na próxima postagem
(CONTINUA)


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