domingo, 16 de março de 2014

PROBLEMAS E ESTUDOS

                  Problemas

                                                           SOLUÇÃO DO PROBLEMA ANTERIOR

                                               Problema 71
                                                               
                                                           1. e5-f6                                  b8xe1
                                                           2. f6xd8                                h6xd2
                                                           3. b2-c1                                e1-h4
                                                           4. c1xg5                               X.

Tema: Eslavo Cruzado

72 

Jogam as brancas e ganham

A solução desse problema, veja na próxima postagem

                  Estudos

                                                           SOLUÇÃO DO ESTUDO ANTERIOR

                                                           Estudo 11

            NOTA
         Ressalve-se que esse estudo contém uma variante com solução perpétua.
                                                           1. g1-f2                                 g7-f6
            Se 1. ... h4-g3   2. f2xh4 g7-a1   3. h2-e5 a1xg7   4. h4-e7 f8xd6   5. h6xc5 X.
            Se 1. ... g7-a1   2. h6-g5 h4xf6   3. f2-d4 X.
                                                           2. f2-e3                                  h8-g7
            Se 2. ... f8-g7   3. h6xf8 h8-g7  (se 3. ... f6-a1   4. f8-g7   5. e3-d4 X)  4. f8xh6 f6-h8   5. e3-g5 h4xf6   6. h6-g7 X.
            Se 2. ... f8-e7   3. h6-g7 h4-g3  (se 3. ... f6-a1   4. h2-b8 h8xf6   5. e3-d4 a1xe5   6. b8xh2 X)  4. h2xf8 f6-a1   5. e3-d4 h8xf6   6. d4xh8 X.
                                                           3. h6-g5                                f6-d8
            Se 3. ... f6-a1   4. h2-b8 X.
            Se 3. ... f8-e7   4. h2-d6 e7xc5   5. g5xa3 X.
            Se 3. ... h4-g3   4. g5xe7 X.
                                                           4. g5-h6                                f8-e7
            Se 4. ... g7-f6   5. e3-d4 X.
            Se 4. ... d8-e7   5. e3-d4 e7-f6   6. d4-a1 X.
            Se 4. ... d8-a5, ver Variante 1.
            Se 4. ... d8-f6   5. h6-g5 f6-d8   6. g5-h6 d8-f6   7. h6-g5 f6-d8   8. g5-h6... (Solução perpétua).
                                                           5. h6xb4!                              d8-f6
                                                           6. e3-g5                                f6-h8
            Se 6. ... f6-g7   7. b4-f8 X.
            Se 6. ... f6-d4   7. h2-g1 X.
            Se 6. ... f6-a1   7. b4-c5 h4xf6   8. c5-d4 X.
            Se 6. ... f6-d8   7. b4-a5 h4xf6   8. h2-c7 X.
                                                           7. b4-f8                                 h4xf6
                                                           8. f8-g7                                 f6-g5
                                                           9. g7-a1                                X.

                                                           VARIANTE 1

                                               4. ...                                        d8-a5
                                                           5. e3-d4                                a5-e1
            Se 5. ... a5-d8   6. d4xh8 d8-a5   7. h8-d4 X.
            Se 5. ... a5-b4   6. d4xh8 b4-a3  (se 6. ... b4-e1/a5   7. h8-d4 X)  7. h8-b2 a3xc1   8. h2-f4 c1xg5   9. h6xf4 X.         
                                                           6. d4xh8                               e1-a5
                                                           7. h8-d4                                X.

Temas: Bipolar, Finta e Vaivém Duas Cores

                                                    Estudo 12
 Jogam as brancas e ganham 

A solução desse estudo será dada na próxima postagem

                                                           Finais

                                                          Final 7
Jogam as brancas e ganham

                                                           1. g3-f4                                 h6-g5
            Se 1. ... d6-e5   2. f4xd6   h6-g5   3. d6-c7 g5-f4   4. c7-b8 f4-e3   5. b8-a7 e3-d2   6. b2-c3 d2xb4   7. a7-d4 X.
                                                           2. f4xh6                                d6-e5
                                                           3. h6-g7                                e5-f4
            Se 3. ... e5-d4   4. g7-h8  d4-e3   5. h8-d4 X.
                                                           4. g7-h8                                f4-e3
            Se 5. ... f4-g3   6. h8-d4 X.
                                                           5. h8-d4                                e3xc5
                                                           6. b2-c3                                X.




domingo, 16 de fevereiro de 2014

DAMAS para crianças e adolescentes 34


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 2

PARTE 1 SUMÁRIO (ver postagem de DEZ.2013)


PARTIDAS

PARTIDA 27
            Nota ─ É a partida de onde se originou a Combinação 48 da postagem 21. Fiquei devendo essa partida a vocês, como tinha dito, então, em Nota de rodapé da postagem 22:


            Releia: “Essa combinação ocorreu na partida Dovílio Rodrigues X W. Bakumenko, mas com as cores invertidas, isto é, foram as pretas que deram o bonito golpe. Será publicada, no blog, porém em outra ocasião.”

                                      Abertura Simétrica
Dovílio Rodrigues X W. Bakumenko*
(São Paulo, 1962)

                                               1. c3-b4                       f6-g5
                                               2. b2-c3                       g7-f6
                                               3. g3-h4                       b6-a5
                                               4. b4-c5                       d6xb4
                                               5. a3xc5                      g5-f4
                                               6. e3xg5                      h6xf4
                                               7. a1-b2                       ...
         Na partida W. Bakumenko X José Nhan foi 7. c1-b2 h8-g7   8. f2-g3 c7-b6?   9. g3xe5 b6xd4   10. c3-b4 a5xc3   11. d2xb4 d4-e3   12. h2-g3 f6xd4   13. g3-f4 com ganho das brancas.
                                               7. ...                              h8-g7
                                               8. f2-e3                         c7-d6
                                               9. e3xg5                      d6xb4
                                             10. b2-a3                       g7-h6
                                             11. a3xc5                       h6xf4
                                             12. g1-f2                        b8-c7!
         Até esta altura os lances das brancas foram repetidos pelas pretas.
                                             13. c3-d4?                     a7-b6!
                                             14. c5xa7                       c7-b6
                                             15. a7xc5                       a5-b4
                                             16. c5xa3                       f4-g3
                                             17. h2xf4                       f6-e5
                                             18. f4xd6                       e7xg1
         Abandonaram.



____________________________

Comentários de W. Bakumenko.

Remates
REMATE 36
Jogam as brancas e ganham

            Nota ─ O Remate 35, ver na postagem 25.
          Embora com uma pedra a menos, o remate está ganho para as brancas.
                                               1. h4-g5                       h6xf4
                                               2. g3xc3                      c5-d4
         Se 2. ... g7-h6   3. c3-b4 c5-d4   4. b4-c5 d4-e3   5. c5xa7 c7-d6  (se 5. ... e3-f2   6. a5-b6 c7xa5   7. h2-g3 f2xh4   8. a7-b8D X; se 5. ... h6-g5   6. a7-b8D c7-b6   7. a5xc7 e3-f2   8. h2-g3 f2xh4   9. c7-d8D X)  6. a7-b8D d6-c5   7. b8-a7 c5-d4   8. b2-c3 d4xb2   9. a3xc1 X.
         Se 2. ... g7-f6   3. c3-b4 c5-d4   4. b4-c5 d4-e3   5. c5xa7 f6-e5  (se 5. ... c7-d6   6. a7-b8D d6-c5   7. b8-a7 c5-d4   8. b2-c3 d4xb2   9. a3xc1 X; se 5. ... f6-g5   6. a7-b8D c7-b6   7. a5xc7 g5-f4/h4   8. c7-d8D X)  6. a7-b8D c7-d6  7. b2-c3 e3-f2  (se 7. ... h8-g7   8. b8-a7 X)  8. c3-d4 e5xc3   9. b8xb4 X.
                                               3. c3xe5                      b6-c5
         Se 3. ... g7-h6   4. e5-d6 c7xe5   5. a5xc7 e5-f4   6. c7-b8D f4-e3   7. b8-a7 e3-d2   8. b2-c3 X.
         Se 3. ... g7-f6   4. e5xg7 h8xf6   5. a3-b4 f6-e5   6. b2-c3 c7-d6   7. a5xc7   d6xb8   8. h2-g3 b8-c7   9. b4-c5 X.
                                               4. h2-g3                       g7-f6
                                               5. e5xg7                      h8xf6
                                               6. g3-f4                        c7-d6
         Se 6. ... c5-d4   7. a5-b6 c7xa5   8. b2-c3 d4xb2   9. a3xc1 a5-b4   10. c1-b2 X.
                                               7. b2-c3                       f6-e5
         Se 7. ... f6-g5   8. f4xh6 d6-e5   9. a5-b6 c5xa7   10. c3-d4 e5xc3   11. a3-b4 c3xa5   12. h6-g7 X.
         Se 7. ... d6-e5   8. f4xb4 f6-g5   9. a5-b6 g5-f4   10. b6-a7 f4-g3   11. a7-b8D  g3-f2   12. b8-a7 X.
                                               8. f4-g5                        c5-d4
                                               9. a5-b6                       d4xb2
                                             10. a3xc1                       e5-d4
                                             11. c1-d2                       d6-e5
         Se 11. … d6-c5   12. g5-f6 c5xa7   13. f6-g7 X.
                                             12. g5-f6                        e5xg7
                                             13. b6-c7                       g7-f6
                                             14. c7-b8D                     X.

DESAFIO

Problemas

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

Solução da postagem anterior

                                  PROBLEMA 70

                                                           1. g7-h8                       b4-c3
         Se 1. ... a3-b2   2. d2-c3 b2xd4  (se 2. ... b4xd2   3. e1xc3 b2xd4   4. h8xc3 a1xg3   5. h2xd6 X)  3. h8xc3 a1xg3   4. h2xa3 X.
                                               2. d2xb4                      a3xc5
         Se 2. ... a5xc3   3. h8xb2 a1xg3   4. h2xe5 X.
                                               3. h8-c3                       a1xg3
                                               4. h2xa3                      X.

         Tema: Duplo Cotovelo e Finta

PROBLEMA 71
Jogam as brancas e ganham

         Solução na próxima postagem

Estudos

Já publicado na outra seção do blog ─ PROBLEMAS E ESTUDOS

ESTUDO 3
Jogam as brancas e ganham

                                               1. a7-b8                       a1-e5
         Se 1. ... d6-c5   2. c1-a3 h4-g3   3. a3xh2 X.
         Se 1. ... d6-e5   2. b8xh2 a1-f6   3. e3-f4 f6-h8   4. f2-e3 h8-f6 5. c1-b2 f6xa1   6. e3-d4 X.
                                               2. f2-g3                        h4xd4
                                               3. c1-b2                       e5-h2
         Se 3. ... e5-h8   4. b8xc3 X.
         Se 3. ... d4-e3   4. b2xf6 d6-c5   5. b8-a7 X.
                                               4. b2xc7                      h2-g1
                                               5. b8-a7                       g1-h2
                                               6. c7-b8                       h2-g1
                                               7. b8-h2                       X.

         Tema: Kukuiev

Finais

Já publicado na outra seção do blog ─ PROBLEMAS E ESTUDOS

FINAL 6
Jogam as brancas e ganham

                                                  1. b8-d6!                      a1-c3
         Se 1. ... a1-g7   2. d6-f8 g7-h6   3. a3-c1 X.
                                               2. a3-c1!                      c3-a1
                                               3. c1-e3!                      a1-b2
         Se 3. ... a1-c3   4. d6-b4 c3xa5   5. e3-b6 X.
                                               4. e3-g5!                      b2-a1
         Se 4. ... h8-g7   5. g5-c1!  b2-a3   6. d6-f8 X.
                                               5. d8-f6!                       a1xg7
                                               6. d6-f8                        g7-h6
                                               7. g5-c1                       h8-g7
                                               8. f8-c5                        g7-f6
                                               9. c5-e3                       X.