terça-feira, 15 de outubro de 2019

PROBLEMAS (+ PARTIDAS DE COMBINAÇÕES ─ II) E PARTIDAS




Alexander Shvartsman russo
Lourival Mendes França brasileiro
CAMPEÕES do MUNDO de DAMAS de 64 CASAS
Águas de Lindóia São Paulo (SP), Brasil 1993

 _________

O "PÉ-DE-AVESTRUZ"
THE "OSTRICH'S FOOT"

O “Pé-de-Avestruz”
é um triângulo retângulo

 O “Pé-de-Avestruz” é uma criação minha.
(Ver postagens de JUN.15/FEV.16)

The “Ostrich’s foot" is my creation.
(June 2015/February 2016) 
 ____________



PARTE 4
PARTE 1  19.JAN.11/DEZ.14      PARTE 2  JAN.15/DEZ.16
PARTE 3  JAN.17/DEZ.17



Frase célebre*
            “Para estimular a memória e aguçar a inteligência nada há melhor que um bom problema de damas. E por esse motivo, recomendo aos alunos do curso secundário a resolver diariamente problemas do jogo de damas.” (Dr Richard Schmidt ─ professor e diretor, em 1932, da Dublin ─ School)
___________________
* Citada por P. D. Gabriel, na (extinta) coluna Damas, no Correio do Triângulo,de 07.07.92.



                                                             Problemas

                                                           SOLUÇÕES DOS PROBLEMAS ANTERIORES

                                                  Problema 149

                                                 1. d2-c3                           d4xb2  
          Se 1. ... a5xd2   2. e1xh8 a3-b2  (se 2. ... h6-d2   3. c1xe3 a3-b2   4. f8-h6 X)  3. c1xa3 h6-c1   4. f8-h6 X.
                                                 2. c1-d2                           h6xc1.
                                                 3. f8-h6                            c1-d2
                                                 4. h6xc1                          X.

Temas: Prisão, Bloqueio Angular, Bipolar e Finta

                                                 Problema 150

                                                 1. d6-c7                           d8xb6
                                                 2. a1-b2                           a3xc1
                                                 3. e3-d4                           c1xc5
                                                 4. h4-e1                           a5xd2
                                                 5. e1xd6                          X.

Temas: Bloqueio por Intercessão Negra e Finta

151
Jogam as brancas e ganham

A solução desse problema, veja na próxima postagem

152
 Jogam as brancas e ganham

A solução desse problema, veja na próxima postagem



Partidas de combinações ─ II
NOTA ─ Partidas de combinações ─ I: veja no período ABR.17/ABR.18.



O grande pensador e escritor francês Poirson, disse: 
As combinações, inumeráveis e brilhantes, do Jogo de Damas,
Mereciam ser admiradas em todas as idades,
como obra-prima da imaginação dos homens.*
________________
Cleuber Landim.“Damas e damistas”, p. 125. Brasília ─ DF. 1981.


Abertura Kaulen
A. Kama X W. Bakumenko*
(São Paulo, 1955)

As pretas jogam e ganham

                                               1. g3-f4                        f6-e5
                                               2. h2-g3!                      ...
         O lance mais lógico. Outra possibilidade 2. f2-g3 g7-f6   3. g3-h4 e5xg3   4. h4xf2 com oportunidades iguais.
                                               2. ...                              e7-f6
      Resposta  inesperada.  Nesta  posição  é  muito  popular o prosseguimento 2. ... e5-d4!   3. c3xe5 h6-g5   4. f4xh6 d6xh2, conduzindo para o sistema aberto.
                                               3. e3-d4                      b6-a5!
         Perde aqui 3. ... f8-e7? devido a 4. d4-c5! b6xd4   5. d2-e3! e as pretas não têm salvação.
        A partida Mizruchin X Saveliev, jogada na Rússia em 1929, tinha o seguinte desenvolvimento: 3. ... b6-c5  4. d4xb6 a7xc5   5. c3-b4 f8-e7   6. b2-c3 f6-g5   7. f2-e3! g7-f6?  (justo seria 7. ... e7-f6!)   8. e3-d4! g5xe3   9. d4xb6 c7xa5   10. d2xf4 e contra a ameaça 11. b4-c5! não tem remédio.
                                               4. d2-e3                       c7-b6
         Jogo complicado resultaria de 4. d4-c5 d6xb4   5. a3xc5 c7-b6   6. f4xd6 b6xd4   7. c3xe5 f6xd4.
                                               5. e1-d2                        ...
         O lance é de muito risco! Mais seguro seria 5. c1-d2.
                                               5. ...                              b6-c5
                                               6. d4xb6                      a5xc7
        Depois  da  troca  para  a  frente 6. ... a7xc5, segue 7. g3-h4 e5xe1D   8. e3-d4 c5xe3   9. d2xf4 e1xb4   10. a3xg5 com posição difícil para ambos.
                                               7. e3-d4                       a7-b6
                                               8. a3-b4?                     ...
           Ver Diagrama ▲ (acima). (JBF).
          Perde imediatamente. Correto seria 8. f2-e3.
                                               8. ...                             d6-c5!
           Ver Diagrama ▼ (abaixo), cujas cores estão invertidas. (JBF).
                                               9. b4xd6                      h6-g5
                                             10. f4xh6                       e5-f4!
                                             11. g3xe5                       f6-g5
                                             12. h6xf4                       g7-f6
                                             13. e5xg7                   c7xe1D
                                             14. g1-h2                       f8xh6
                                             15. d4-c5                       b6xd4
                                             16. c3xe5                       e1xg7
                                             17. b2-c3                       g7xb2
                                             18. a1xc3                      d8-c7!
          E depois de alguns lances as brancas abandonavam.
          Excelente partida com numerosos temas de combinação em jogo.
________________
* Comentários de W. Bakumenko.

Combinação Waldemar Bakumenko
(Com as cores invertidas)
Jogam as brancas e ganham

         Confronte o lance 1 (branco) com o 8 (preto), etc, da partida.
                                               1. e3-f4!                       g5xe3
                                               2. a3-b4                       c5xa3
                                               3. d4-c5!                      b6xd4
                                               4. c3-b4                       a3xc5
                                               5. b2-c3                       d4xb2
                                               6. f2xd8D                     b8-a7
                                               7. c1xa3                       e5-f4
                                               8. g3xe5                       f6xd4
                                               9. d8xb2                       g7-f6
                                             10. b2xg7                       h8xf6
                                             11. e1-f2!                        X.

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

As pretas jogam e ganham

                                               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?                     ...
         Ver Diagrama ▲ (acima). (JBF).
                                             13. ...                             a7-b6!
         Ver Diagrama ▼ (abaixo), cujas cores estão invertidas. (JBF).
                                             14. c5xa7                       c7-b6
                                             15. a7xc5                       a5-b4
                                             16. c5xa3                       f4-g3
                                             17. h2xf4                        f6-e5
                                             18. f4xd6                        e7xg1
         Abandonaram.
_____________
* Comentários de W. Bakumenko.
 
Combinação Waldemar Bakumenko
(Com as cores invertidas)
 
Jogam as brancas e ganham

         Confronte o lance 1 (branco) com o 13. c3-d4?, etc, da partida = ao simétrico f6-e5?
                                               1. h2-g3!                      f4xh2
                                               2. f2-g3                        h2xf4
                                               3. h4-g5                       f4xh6
                                               4 c5-b6                        a7xc5
                                               5. c3-d4                       c5xe3
                                               6. d2xb8                      X.


Bakumenko X Cardoso*

 
Jogam as brancas e ganham

                                               1. c3-d4                        d6-c5
                                               2. b2-c3                        c7-d6
                                               3. g3-h4                        d6-e5
                                               4. f2-g3                         e7-d6
                                               5. g3-f4                         e5xg3
                                               6. h4xf2                        h6-g5
                                               7. h2-g3                        g5-h4
                                               8. g3-f4                         f8-e7
                                               9. a1-b2                       ...
         (Uma idéia original da brancas!)
                                               9. ...                              b8-c7
                                             10. a3-b4                        ...
         (As brancas jogam magistralmente!)
                                             10. ...                              c5xa3
                                             11. f4-e5                         d6xf4
                                             12. e3xg5                       f6-e5?
                                             13. d4xf6                        g7xe5
                                             14. c3-b4!!                      ...
         (Um golpe surpreendente!)
          Ver Diagrama ▲ (acima). (JBF).
                                             14. ...                              h4xf6
                                             15. b2-c3                        a3xc5
                                             16. c3-d4                        c5xe3
                                             17. d2xf8
         E as pretas abandonam.
______________
* Do livro “Manual do Jogo de Damas”, de Luiz Cabrerizo, p. 232.  São Paulo ─ SP.

Combinação Waldemar Bakumenko
 
Jogam as brancas e ganham

    Confronte o lance 1 (branco) com o  14, etc, da partida.
                                               1. c3-b4!!                     h4xf6 
                                               2. b2-c3                       a3xc5
                                               3. c3-d4                       c5xe3
                                               4. d2xf8                       X.



Partidas

IV Campeonato mundial de Damas de 64 casas (1993)
Campeões: SHVARTSMAN e LOURIVAL
2. As partidas do Shvartsman [10/18]
Genaldo Gonzaga (Brasil) 1X1 Alexander Shvartsman (Rússia)
                                                 1. c3-d4                           f6-g5
                                                 2. b2-c3                           g7-f6
                                                 3. c3-b4                           g5-h4
                                                 4. d4-c5                           b6xd4
                                                 5. e3xc5                           c7-b6
                                                 6. d2-e3                           b6xd4
                                                 7. e3xc5                           d8-c7
                                                 8. b4-a5                           d6xb4
                                                 9. a5xc3                          a7-b6
                                                10. c3-b4                          h8-g7
                                                11. b4-a5                          f6-e5
                                                12. a1-b2                          g7-f6
                                                13. b2-c3                          f8-g7
                                                14. a3-b4                          e5-f4
                                                15. g3xe5                         f6xb2
                                                16. c1xa3                         g7-f6
                                                17. b4-c5                          b6xd4
                                                18. f2-g3                           h4xf2
                                                19. g1xc5                          b8-a7
                                                20. e1-d2                          h6-g5
                                                21. h2-g3                          e7-d6
                                                22. c5xe7                          f6xd8
                                                23. d2-e3                          g5-h4
                                                24. g3-f4                           a7-b6
                                                25. a3-b4                          d8-e7
                                                26. e3-d4                          e7-d6
                                                27. b4-c5                          d6xb4
                                                28. a5xc3 =

Tempo: Brancas: 1h  Pretas: 55min

IV Campeonato mundial de Damas de 64 casas (1993)
Campeões: SHVARTSMAN e LOURIVAL
2. As partidas do Shvartsman [11/18]
Iser Kuperman  (EUA) 1X1 Alexander Shvartsman (Rússia)
                                                 1. c3-d4                           h6-g5
                                                 2. g3-h4                           b6-a5
                                                 3. d4-c5                           d6xb4
                                                 4. a3xc5                           c7-b6
                                                 5. c5-d6                           e7xc5
                                                 6. e3-d4                           c5xe3
                                                 7. d2xh6                           b6-c5
                                                 8. f2-e3                            b8-c7
                                                 9. h2-g3                           c7-d6
                                                10. b2-c3                          c5-b4
                                                11. e1-d2                          d6-c5
                                                12. c3-d4                          b4-a3
                                                13. d4xb6                          a7xc5
                                                14. d2-c3                          d8-c7
                                                15. g1-h2                          c7-b6
                                                16. g3-f4                           c5-b4
                                                17. h2-g3                          b4xd2
                                                18. h4-g5                          f6xd4
                                                19. c1xa7                          a5-b4
                                                20. f4-e5 =

Tempo: Brancas: 1h10min  Pretas: 1h28min

IV Campeonato mundial de Damas de 64 casas (1993)
Campeões: SHVARTSMAN e LOURIVAL
2. As partidas do Shvartsman [12/18]
Alexander Shvartsman (Rússia) 1X1 Lourival França (Brasil)
                                                 1. c3-b4                           f6-g5
                                                 2. d2-c3                           g5-h4
                                                 3. b4-a5                           g7-f6
                                                 4. c3-b4                           f6-e5
                                                 5. e3-d4                           e5xc3
                                                 6. b4xd2                          h8-g7
                                                 7. b2-c3                           g7-f6
                                                 8. d2-e3                           b6-c5
                                                 9. c3-d4                           d6-e5
                                                10. d4xb6                         a7xc5
                                                11. a1-b2                          c7-d6
                                                12. e1-d2                          h6-g5
                                                13. b2-c3                          c5-b4
                                                14. a3xc5                          d6xb4
                                                15. a5-b6                          e7-d6
                                                16. c3xa5                          d6-c5
                                                17. b6xd4                          e5xe1
                                                18. c1-b2                           f6-e5
                                                19. b2-c3                           e1xb4
                                                20. a5xc3                          g5-f4
                                                21. e3xg5                          h4xf6
                                                22. f2-e3                           d8-c7
                                                23. e3-d4                          c7-d6
                                                24. g3-f4                           e5xg3
                                                25. h2xf4                         b8-a7 =

Tempo: Brancas: 1h27min  Pretas: 1h13min

IV Campeonato mundial de Damas de 64 casas (1993)
Campeões: SHVARTSMAN e LOURIVAL
2. As partidas do Shvartsman [13/18]
Ciro Barreto (Brasil) 1X1 Alexander Shvartsman (Rússia)
                                                 1. c3-d4                           h6-g5
                                                 2. g3-h4                           b6-a5
                                                 3. d4-c5                           d6xb4
                                                 4. a3xc5                           c7-b6
                                                 5. c5-d6                           e7xc5
                                                 6. e3-d4                           c5xe3
                                                 7. d2xh6                           b6-c5
                                                 8. f2-e3                            b8-c7
                                                 9. h2-g3                           c7-d6
                                                10. b2-c3                          c5-b4
                                                11. e1-d2                          b4-a3
                                                12. a1-b2                          a7-b6
                                                13. g1-h2                          d6-c5
                                                14. g3-f4                           f6-g5
                                                15. h4xf6                          g7xg3
                                                16. h2xf4                          h8-g7
                                                17. f4-e5                           d8-e7
                                                18. e5-d6                          g7-f6
                                                19. d6xb4                         a3xc5
                                                20. b2-a3                          e7-d6
                                                21. e3-f4                           f6-e5
                                                22. f4-g5                           c5-d4
                                                23. c1-b2                          d4-e3
                                                24. d2xf4                          e5xg3
                                                25. g5-f6                           g3-f2
                                                26. f6-g7                           d6-e5
                                                27. g7-h8                          e5-f4
                                                28. a3-b4                          f2-e1
                                                29. h8-d4                          f4-g3
                                                30. d4xa7                         g3-h2
                                                31. a7-g1                          e1-d2
                                                32. c3xe1                         a5xa1
                                                33. g1-a7 =

Tempo: Brancas: 45min  Pretas: 1h45min




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