quinta-feira, 26 de setembro de 2013

DAMAS para crianças e adolescentes 29



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!


9. Estratégia (continua)
9.1 Meios-de-jogo
10. O Pé-de-Avestruz (continua)
10.2 ─ Quatro Damas X duas Damas (II)
DESAFIO
I Problemas
II Finais selecionados
PARTIDAS
II Partidas do sistema aberto

9.1 Meios-de-jogo

(CONTINUAÇÃO de ESTRATÉGIA MEIO-DE-JOGO 4 da postagem 26, de JUL.13)

                                               VARIANTE 2.1

                                                           7. ...                              f6-e5
                                               8. a1-b2                       e5-d4
         Se 8. ... d6-c5   9. b2-c3 c5-d4   10. g3-h4 d4xb2   11. a3xc1 e5-d4   12. h4-g5 b8-c7   13. f2-g3 d4-c3  (se 13. ... c7-d6   14. h6-g7 f8xf4   15. g3xc7 X; se 13. ... e7-d6   14. h6-g7 f8xf4   15. g3xc3 X; se 13. ... c7-b6   14. h6-g7 X; se 13. ... d4-e3   14. g5-f6 e7xg5   15. h6xd2 X)  14. g3-h4 c7-d6   15. f4-g5 e7xg5   16. h4xf6 X.
                                               9. b2-c3                       d4xb2
                                             10. a3xc1                       d6-c5
                                             11. f2-e3                         b8-c7
                                             12. g3-f4                         c7-d6
                                             13. c1-d2                       e7-f6
         Se 13. ... c5-d4   14. e3xc5 d6xb4   15. f4-e5 X.
         Se 13. ... c5-b4   14. f4-e5 d6xf4   15. e3xg5 e7-d6   16. g5-f6 b4-a3   17. d2-c3 d6-c5   18. f6-g7 X.
                                             14. d2-c3                       f6-g5
         Se 14. ... f6-e5   15. h2-g3 f8-e7   16. h6-g7 c5-d4   17. e3xc5 d6xd2   18. f4xf8D X.
                                             15. e3-d4                       g5xe3
         Se 15. ... c5xe3   16. f4xd2 g5-f4   17. c3-d4 X.
                                             16. d4xf2                       d6-e5
                                             17. f2-e3                         e5-d4
                                             18. c3xe5                       c5-b4
                                             19. e5-f6                         b4-c3
                                             20. f6-g7                        c3-b2
                                             21. g7-h8D                    X.

10.2 ─ Quatro Damas X duas Damas (II)

                                               VARIANTE 1

                                               7. ...                              h6-c1
                                               8. h8-g7!                      c1-h6
         Se 8. ... c1-d2   9. g7-f8 a3-c1   10. d4-b2 c1xa3 11. b8-d6 X.
         Se 8. ... a3-b4   9. g7-h6 c1-a3   10. d4-b2 X.
         Se 8 ... a3-f8    9. g7-h6 c1-a3    10. d8-h4 a3-b4   (se 10. ... f8-b4   11. d4-b2 X)  11. d4-c5 X.
                                               9. g7-f8                        a3-c1
                                             10. d8-h4                       c1-d2
         Se 10. ... h6-d2   11. d4-b2 c1xa3   12. b8-d6 X.
                                             11. d4-e3                       X.

                                               VARIANTE 2

                                                7. ...                              h6-f8
                                               8. d8-g5                       a3-b4
         Se 8. ... a3-c1   9. g5-h6 c1-a3   10. h8-g7 e segue como no lance 10, adiante.
         Se 8. ... f8-h6, ver Variante 2.1.
         Se 8. ... f8-b4   9. g5-c1 b4-f8  (se 9. ... b4-e7   10. c1-h6 e7-f8   11. h8-g7 X)  e veja o lance 10 da Variante 2.1.
                                               9. g5-h6                       b4-a3
                                             10. h8-g7                       a3-c1
            Se 10. ... a3-e7   11. h6-c1 f8xh6   12. d4-e3 X.
         Se 10. ... a3-b4   11. d4-c5 b4xe7   12. h6-c1   13. b8-f4 X.
                                             11. d4-e3                       c1xg5
                                             12. h6xc1                      f8xh6
                                             13. b8-f4                        X.

                                               VARIANTE 2.1

                                               8. ...                              f8-h6
                                               9. g5-c1                       h6-f8
                                             10. h8-f6                        f8-b4
         Se 10. ... a3-b4   11. c1-a3 X.
                                             11. f6-g7                        b4-f8
         Se 11. ... b4-e7   12. g7-f8 e7-b4   13. c1-b2 a3xc1   14. f8xa3 X.
                                             12. g7-h6                       a3-b4
         Se 12. ... a3-e7   13. h6-g7   14. d4-e3 X.
         Se 12. ... f8-e7   13. d4-c5 e7xb4   14. c1-d2   15. b8-f4 X.
                                             13. d4-c5                       X.

                                               VARIANTE 3

                                               7. ...                              a3-f8
                                               8. d4-g7!                      h6-c1
         Se 8. ... h6-e3   9. b8-a7 X.
         Se 8. ... h6-d2   9. d8-a5 X.
         Se 8. ... f8-a3   9. g7-f8 a3-c1   10. d8-g5 h6xd2   11. h8-b2   c1xa3   12. b8-d6 X.
                                               9. g7-h6                       c1-a3
                                             10. d8-e7                       f8xb4
                                             11. h8-b2                       a3xc1
                                             12. b8-f4                        X.
(CONTINUA)

DESAFIO

I Problemas

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

Solução da postagem anterior

                                  PROBLEMA 65

                                  1. a7-b8                       c1xd6
                                               2. b8xh6                      h4-g3
         Se 2. ... d8-c7   3. g1-h2 c7-b6  (se 3. ... c7-a5   4. h2-f4 X)  4. h2-c7 b6xd8   5. c3-f6 X.
                                               3. g1-h2                       d8-a5
         Se 3. ... g3-f2   4. h2-g3 f2xh4   5. c3-f6 X.
                                               4. h2xf4                       a5xg5
                                               5. h6xf4                       X.

         Temas: Angular Duas Cores e Cavilha Dama Branca

66
Jogam as brancas e ganham

        Solução na próxima postagem

II Finais selecionados

FINAL SELECIONADO 29

Solução da postagem anterior

                                               1. a7-c5                       f8xb4
                                               2. a3xf8                       c1xa3
                                               3. b8-d6                       X.

30
Jogam as brancas e ganham

                                                      1. d8-g5                       h6xd2
                                               2. h8-b2                       c1xa3
                                               3. b8-d6                       X.

31
Jogam as brancas e ganham

         Esse bonito final é um segmento (parte) do “Final diabólico”, do doutor Bolívar Mascarenhas, cuja solução, de minha autoria, foi publicada, recentemente, na seção PROBLEMAS E FINAIS.
            Em 2014, você verá o “Final diabólico” ─ de um modo didático ─  aqui, nesta seção; mas, por enquanto, segue apenas essa parte. Combinado?
                                               1. b2-c1!                      a7-b6
         Se 1. ... h6-f8, você verá a solução dessa variante em 2014, como já explicado acima. OK?
                                               2. d4xa7                      h6-g7
                                               3. a7-g1!                      g7-h8
         Se 3. ... g7-a1   4. c1-g5 h4xf6   5. g1-d4 X.
         Se 3. ... g7-f8, as brancas vencem, como é sabido, seja através do Pé-de-Avestruz, seja pela Forçada.
                                               4. c1-e3!                      h8-g7
         Se 4. ... h4-g3   5. h2xe5 X.
                                               5. h2-e5                       g7xf2
                                               6. g1xe3                      X.

PARTIDAS
II Partidas do sistema aberto

PARTIDA 7
Abertura Australiana*
Sidney Marra X W. Bakumenko

                                               1. c3-b4                       f6-e5
                                               2. b2-c3                       b6-c5
                                               3. g3-h4                       e5-f4
                                               4. e3xg5                      h6xf4
                                               5. b4-a5                       c5-b4!
                                               6. a3xc5                      d6xb4
                                               7. c3-d4!                      b4-a3
                                               8. f2-g3                        e7-d6
                                               9. g3xe5                      d6xf4
                                             10. g1-f2                        d8-e7!
                                             11. f2-g3                        e7-d6
                                             12. g3xe5                      d6xf4
                                             13. e1-d2                       g5-f6!
                                             14. f2-e3??                    f6-g5!!
         Observar Variante A.
                                             15. h4xf6                       f8-g7
                                             16. e3xg5                      g7xe1D
sem chance para as brancas.

                                               VARIANTE A

                                             14. d4-c5!                      f4-e3!
                                             15. f2xd4                       f8-g7
                                             16. c5-b6                       a7xe3
                                             17. d2xf4
com empate.
         Empataria também se:
                                             14. d4-c5!                      f8-e7!
                                             15. f2-e3                         h8-g7
                                             16. e3xg5                      c7-b6!
com empate.


______________________________

* Transcrição da p. 76 de Damas Teoria e Prática, de Edison Friques.

PARTIDA 8

Abertura Filipov
Alexander Chvartsman 2 X Luiz Alédi 0

                                               1. e3-d4                       d6-c5
                                               2. f2-e3                        h6-g5
                                               3. e3-f4                        g5xe3
                                               4. d4xf2                       c7-d6
                                               5. c3-b4                       f6-e5
                                               6. b4-a5                       b8-c7
                                               7. d2-e3                       g7-f6
                                               8. e3-f4                        c5-d4
                                               9. a3-b4                       b6-c5
                                             10. b2-a3                       h8-g7
                                             11. g3-h4                       e5xg3
                                             12. h2xf4                       f6-e5
                                             13. g1-h2                       e5xg3
                                             14. h2xf4                       a7-b6
                                             15. c1-b2                       g7-f6
                                             16. b2-c3                       d4xb2
                                             17. a1xc3                       f6-e5
                                             18. f2-e3                         e5xg3
                                             19. h4xf2                       e7-f6
                                             20. c3-d4                       f8-g7
                                             21. f2-g3                        g7-h6
                                             22. g3-f4                        d8-e7
                                             23. e1-d2
          Abandonam.


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