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Home arrow Articoli arrow Strategia arrow Difesa Siciliana
Difesa Siciliana PDF Stampa E-mail
domenica 21 gennaio 2007
Oggi come oggi la Difesa Siciliana è l'apertura statisticamente più usata dal Nero per difendersi contro la mossa 1 e4 del Bianco. Questa apertura compare già nelle partite di Polerio e Greco, ma prese il suo nome dal fatto che fu apertamente sostenuta da Pietro Carrera, giocatore siciliano del primo Seicento. Per lungo tempo questo impianto di gioco rimase, tuttavia, dimenticato. Fu il tedesco Paulsen, verso il 1870, a reintrodurla nella pratica agonistica con risultati di rilievo. Da quella volta la Difesa Siciliana crebbe lentamente di considerazione presso la comunità scacchistica mondiale, fino ad assumere un posto di assoluto rilievo.

L'idea strategica dell'apertura è abbastanza semplice. Dato che è difficile, dopo 1 e4, contrastare al Bianco il dominio della casa d5, il Nero opta per una soluzione diversa, ovvero controllare la casa centrale d4 per bilanciare la posizione. Tuttavia, a differenza di quanto accade nelle aperture appartenenti alla Partita di Gioco Aperto, il controllo della casa d4 viene effettuato con il Pedone semicentrale c5. Questo comporta due sostanziali vantaggi: tale Pedone non è immediatamente attaccabile dal Bianco (come invece accade al Pe5 nelle aperture inizianti con 1 e4, e5), inoltre è scambiabile vantaggiosamente col Pedone avversario della colonna d nel caso che il Bianco decidesse di aprire velocemente il gioco con la spinta Pd2-d4 (infatti un Pedone semicentrale, in genere, vale meno di un Pedone centrale). Questo piano strategico, comunque, presenta alcuni difetti, primo fra tutti la relativa lentezza con cui alcuni pezzi neri entrano in gioco.

Le possibili continuazioni a disposizione di entrambe le parti sono numerosissime, a seconda che il Bianco decida di accettare la sfida spingendo subito di due case il Pedone di Donna, previo sviluppo del Cavallo di Re, o che invece scelga di imprimere alla partita un carattere più posizionale, per esempio preparando la spinta citata con la mossa Pc2-c3 o rinunciandovi per lungo tempo con la mossa di chiusura Pd2-d3.

1 e4, c5;

Difesa Siciliana  Posizione base della Difesa Siciliana


Ecco le principali continuazioni:

  • 2 b4 (Gambetto Flank)
  • 2 Cc3, Cc6; 3 f4 (sistema Vinken)
  • 2 Cc3, Cc6; 3 g3 (sistema chiuso)
  • 2 c3 (Attacco Sveshnikov)
  • 2 d4 (Gambetto Morra)
  • 2 Ce2 (variante Keres)
  • 2 Cf3, a6 (sistema O'Kelly)
  • 2 Cf3, Cc6; 3 Ab5 (Attacco Rossolimo)
  • 2 Cf3, Cc6; 3 d4, c:d4; 4 C:d4, Dc7 (variante Flohr)
  • 2 Cf3, Cc6; 3 d4, c:d4; 4 C:d4, d6; 5 c4 (sistema Maroczy)
  • 2 Cf3, Cc6; 3 d4, c:d4; 4 C:d4, e5 (variante Löwenthal)
  • 2 Cf3, Cc6; 3 d4, c:d4; 4 C:d4, Cf6; 5 Cc3, e5; (variante Lasker-Pelikan)
    • 6 Cdb5, d6; 7 Ag5, a6; 8 Ca3, b5 (sv. Chelyabinsk)
    • 6 Cdb5, d6; 7 Ag5, a6; 8 Ca3, Ae6 (sv. Bird)
  • 2 Cf3, Cc6; 3 d4, c:d4; 4 C:d4, g6; (variante del Dragone accelerato)
    • 5 c4, Ag7; 6 Ae3, Cf6; 7 Cc3, Cg4 (sv. Breyer)
  • 2 Cf3, d6; 3 Ab5+, ... (Attacco Canal)
    • 3 ..., Ad7; 4 A:d7+, D:d7; 5 c4 (variante Sokolskij)
  • 2 Cf3, d6; 3 d4, c:d4; 4 D:d4 (variante Chekhover)
  • 2 Cf3, d6; 3 d4, c:d4; 4 C:d4, Cf6; 5 Cc3, a6; (variante Najdorf)
    • 6 Ae2 (sv. Opocensky)
    • 6 Ag5, e6; 7 f4, Db6; 8 Dd2, D:b2 (sv. del Pedone avvelenato)
    • 6 Ag5, e6; 7 f4, Ae7; 8 Df3, Dc7; 9 O-O-O, Cbd7; 10 Ad3, h6 (sv. Browne)
    • 6 Ag5, e6; 7 f4, Ae7; 8 Df3, h6; 9 Ah4, g5 (sv. Göteborg)
  • 2 Cf3, d6; 3 d4, c:d4; 4 C:d4, Cf6; 5 Cc3, Cc6; 6 Ac4, ... (variante Sozin)
    • 6 ..., Db6 (sv. Benko)
  • 2 Cf3, d6; 3 d4, c:d4; 4 C:d4, Cf6; 5 Cc3, Cc6; 6 Ae2, e5 (variante Boleslavsky)
  • 2 Cf3, d6; 3 d4, c:d4; 4 C:d4, Cf6; 5 Cc3, Cc6; 6 Ag5 (Attacco Richter-Rauzer)
  • 2 Cf3, d6; 3 d4, c:d4; 4 C:d4, Cf6; 5 Cc3, e6; (variante Scheveningen)
    • 6 Ab5+ (sistema Vitolins)
    • 6 Ac4, ... (sistema Sozin)
      • 6 ..., Cc6; 7 Ae3, Ae7; 8 De2, ... (Attacco Velimirovic)
    • 6 g4 (Attacco Keres)
  • 2 Cf3, d6; 3 d4, c:d4; 4 C:d4, Cf6; 5 Cc3, g6; (variante del Dragone)
    • 6 Ae2 (sv. classica)
    • 6 Ae3, Ag7; 7 f3 (Attacco Jugoslavo)
    • 6 f4 (sv. Levenfish)
  • 2 Cf3, e6; 3 d4, c:d4; 4 C:d4, a6 (variante Paulsen)
  • 2 Cf3, e6; 3 d4, c:d4; 4 C:d4, Cc6; (sistema Taimanov)
    • 5 Cb5 (variante Pelikan-Sveshnikov)
  • 2 Cf3, e6; 3 d4, c:d4; 4 C:d4, Cf6; (variante Anderssen)
    • 5 Cc3, Ab4 (sv. Pin)
  • 2 Cf3, e6; 3 d4, d5 (variante Marshall)
  • 2 Cf3, Cf6 (variante Nimzowitsch)
  • 2 Cf3, g6 (variante Ungherese)
  • 2 f4 (Attacco Grand Prix)
  • 2 g3 (sistema Steinitz)
 
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63 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180214 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180214 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180214 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
64 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180214) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
65 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180215 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180215 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180215 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
66 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180215) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
67 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180216 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180216 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180216 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
68 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180216) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
69 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180217 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180217 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180217 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
70 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180217) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
71 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180218 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180218 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180218 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
72 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180218) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
73 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180219 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180219 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180219 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
74 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180219) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
75 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180220 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180220 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180220 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
76 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180220) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
77 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180221 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180221 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180221 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
78 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180221) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
79 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180222 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180222 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180222 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
80 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180222) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
81 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180223 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180223 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180223 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
82 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180223) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
83 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180224 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180224 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180224 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
84 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180224) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
85 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180225 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180225 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180225 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
86 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180225) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
87 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180226 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180226 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180226 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
88 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180226) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
89 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180227 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180227 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180227 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
90 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180227) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
91 SELECT e.extid, start_date, end_date from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE ( ( DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180228 AND DATE_FORMAT(e.end_date,'%Y%m%d') >= 20180228 ) OR ( DATE_FORMAT(e.start_date,'%Y%m%d') = 20180228 ) ) AND c.published = '1' AND approved = '1' AND recur_type = ''ORDER BY start_date,title ASC
92 SELECT e.extid, recur_type, recur_val, recur_until, start_date, end_date, recur_end_type, recur_count from chess_extcal_events AS e LEFT JOIN chess_extcal_categories AS c ON e.cat=c.cat_id WHERE (DATE_FORMAT(e.start_date,'%Y%m%d') <= 20180228) AND c.published = '1' AND approved = '1' AND recur_type <> '' ORDER BY start_date,title ASC
93 SELECT m.* FROM chess_menu AS m WHERE menutype = 'mainmenu' AND published = 1 AND access <= 0 ORDER BY parent, ordering
94 SELECT m.* FROM chess_menu AS m WHERE menutype = 'usermenu' AND published = 1 AND access <= 0 ORDER BY parent, ordering
95 SELECT COUNT( id ) AS count_users FROM chess_users
96 SELECT COUNT( id ) AS count_items FROM chess_content
97 SELECT COUNT( id ) AS count_links FROM chess_weblinks WHERE published = 1
98 SELECT SUM( hits ) AS count FROM chess_stats_agents WHERE type = 1