C78h — Spanish: 5.O-O b5 6.Bb3 Bc5

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d5, Bb3 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● c3 — Préparer d4
● Bc2 — Anticiper ...Na5

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte d4, Bc5 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, pawn e4 en prise.
Problèmes : roi au centre, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Na5 — Attaquer Bb3
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C78h —

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bc5

Eval: [+0.33]

Les coups candidats

7.c3 — 42.5% (5050 parties) →

Ambassadeurs : Volodarsky, Yury Aleksandrovich (72x), Godena, Michele (40x), Shirov, Alexei (26x), Bohak, Janko (25x), Parushev, Alexandar Miroslavovich (20x), Zawadzka, Jolanta (18x), Fedorchuk, Sergey A. (17x), Tkachiev, Vladislav (17x)

7.a4 — 28.1% (3333 parties) →

Ambassadeurs : Shirov, Alexei (71x), Volodarsky, Yury Aleksandrovich (60x), Godena, Michele (48x), Ganguly, Surya Shekhar (30x), Caruana, Fabiano (24x), Sanner, Zdzislaw (23x), Bohak, Janko (22x), Lanin, Boris Dr (21x)

7.d3 — 12.2% (1444 parties)

Ambassadeurs : Godena, Michele (13x), Shirov, Alexei (10x), Friedel, Joshua (7x), Zawadzka, Jolanta (7x), Markus, John Raymond (6x), Castellano, Antonio Jr (6x), Virzi, Ettore (6x), Hiermann, Dietmar (6x)

7.Nxe5 — 8.8% (1042 parties) →

Ambassadeurs : Godena, Michele (16x), Fedorchuk, Sergey A. (6x), Lane, Gary W (5x), Tkachiev, Vladislav (4x), Garcia, Gildardo (4x), Onischuk, Alexander (4x), Krunski, Jan Maria (4x), Van Esbroeck, Jeff (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.c3	7.a4	7.d3	7.Nxe5
<1800	588	42%	12%	19%	13%
1800-2200	3744	46%	21%	13%	11%
2200-2600	5024	42%	38%	9%	5%
2600+	583	39%	51%	5%	1%

Évolution par décennie (% des parties)

Décennie	N parties	7.c3	7.a4	7.d3	7.Nxe5
1850s	2	100%	—	—	—
1860s	4	50%	—	—	—
1870s	1	—	—	—	100%
1880s	1	100%	—	—	—
1890s	5	40%	—	—	20%
1900s	6	33%	—	50%	17%
1910s	4	—	—	25%	75%
1920s	5	20%	—	20%	60%
1930s	3	100%	—	—	—
1940s	5	60%	—	—	40%
1950s	13	31%	8%	8%	46%
1960s	19	47%	—	5%	42%
1970s	34	44%	—	12%	32%
1980s	68	43%	—	18%	19%
1990s	1079	36%	18%	14%	17%
2000s	3714	40%	25%	15%	11%
2010s	4833	45%	28%	12%	8%
2020s	2084	44%	41%	8%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.c3	45%	44%	▼ -1.1%
7.a4	28%	41%	▲ +13.4%
7.d3	12%	8%	▼ -3.9%
7.Nxe5	8%	3%	▼ -4.8%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Kasparov, Garry — 4 parties
Kramnik, Vladimir — 4 parties
Lasker, Emanuel — 3 parties
Ju, Wenjun — 2 parties
Ding, Liren — 2 parties
Alekhine, Alexander — 1 partie
Karpov, Anatoly — 1 partie
Gukesh D — 1 partie

Parties historiques

7.c3 — 42.5% (5050 parties)

1859 — Loewenthal, Johann vs Morphy, Paul — 1-0 — London m1 London ENG
1859 — Von Eynatten vs Suhle, Berthold — 0-1 — Wesel
1860 — Maude, P. vs Kolisch, I. — 0-1 — Londen m
1860 — Boden, Samuel S vs Harrwitz, Daniel — 0-1 — London ENG
1888 — Charlick Henry vs De la O Hay, David — 1-0 — ?

7.a4 — 28.1% (3333 parties)

1957 — Boey, Josef vs Lemaire, Robert — 1/2-1/2 — Blankenberge
1995 — Emms, John M vs Malaniuk, Vladimir P — 1/2-1/2 — Hastings Masters
1995 — Tischbierek, Raj vs Giorgadze, Giorgi Gel — 1/2-1/2 — Hamburg op
1995 — Kolev, Atanas vs Berebora, Ferenc — 1/2-1/2 — Benasque ESP
1995 — Ivanchuk, Vasyl vs Anand, Viswanathan — 1-0 — Monte Carlo MNC

7.d3 — 12.2% (1444 parties)

1901 — Brown, Bertram Goulding vs Ottaway, Hubert William — 0-1 — British CC
1903 — Alekhine, Alexander vs Antushev, S. — 1-0 — ?
1905 — Malthan, Friedrich vs Dallmeier, Walter — 1-0 — Barmen GER
1916 — Hommede, L. vs Drouillard, JA. — 1-0 — California
1923 — Gottfried D vs Rubens N — 1-0 — New York, NY USA

7.Nxe5 — 8.8% (1042 parties)

1877 — Ascharin, Andreas vs Alapin, Simon — 1-0 — St Petersburg RUS
1896 — Napier, W Elwell, J vs Marshall Taber, Dr — 0-1 — New York, NY USA
1902 — Duras, Oldrich vs Kvicala, Jandr — 0-1 — Prague -Match /03/ l
1911 — Baird, David vs Walcott George H — 0-1 — New York, NY USA
1911 — Baird, David vs Walcott, G. — 0-1 — New York, NY USA

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● b4 (2v0), ● d4 (3v1)
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (3v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 5)
Bc5		● Bc5 Actif (mob. 10)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	● pawn f2	—
Non développées	3 (b1, c1, a1)	3 (c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c3, ● d2-d3	● …d7-d6, ● …d7-d5

Partie
19. European Teams 2013 – Round 8.5 – Adams, Michael – 1-0 – Erdos, Viktor – G292 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 O-O 8. d3 d6 9. Nd5 h6 10. a4 Rb8
40. Olympiad Open 2012 – Round 7.13 – Tomic, Bosko – 1/2-1/2 – Hracek, Zbynek – G403 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Qe2 O-O 8. c3 Re8 9. Rd1 h6 10. d3 Bb7
43. Olympiad 2018 – Round 2.21 – Radjabov, Teimour – 1/2-1/2 – Godena, Michele – G101 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 O-O 8. d3 h6 9. Nd5 d6 10. c3 Rb8
5. Sinquefield Cup 2017 – Round 3.1 – Anand, Viswanathan – 1/2-1/2 – Carlsen, Magnus – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 O-O 8. d3 d6 9. Nd5 h6 10. c3 Rb8
FIDE GP Paris 2013 – Round 4.5 – Dominguez Perez, Leinier – 1-0 – Giri, Anish – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 O-O 8. d3 h6 9. Nd5 d6 10. c3 Rb8
FIDE WCh KO 2001 – Round 2.4 – Tiviakov, Sergei – 0-1 – Ponomariov, Ruslan – G238 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. c3 O-O 9. Be3 Bb6 10. Bxb6 cxb6
FIDE-Wch k.o. 1997 – Round 3.1 – Milos, Gilberto – 1/2-1/2 – Shirov, Alexei – G116 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. a4 Rb8 9. axb5 axb5 10. Be3 O-O
Karen Asrian Memorial 2008 – Round 4 – Akopian, Vladimir – 0-1 – Adams, Michael – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. c3 h6 9. a4 Rb8 10. axb5 axb5
Madrid 1996 – Round 5 – Adams, Michael – 1/2-1/2 – Shirov, Alexei – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 O-O 8. a4 Rb8 9. Nbd2 d6 10. c3 Bb6
Makedonia Palace GP 2013 – Round 10.2 – Topalov, Veselin – 0-1 – Caruana, Fabiano – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 d6 8. Nd5 Na5 9. d4 Nxb3 10. axb3 Nxd5
Makedonia Palace GP 2013 – Round 8.5 – Ponomariov, Ruslan – 0-1 – Kasimdzhanov, Rustam – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 O-O 8. d3 h6 9. Nd5 d6 10. c3 Rb8
SuperUnited Blitz 2023 – Round 3.4 – Anand, Viswanathan – 1-0 – Caruana, Fabiano – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. c3 h6 9. Nbd2 O-O 10. Re1 Bb6
World Blitz 2007 – Round 29 – Kamsky, Gata – 1/2-1/2 – Anand, Viswanathan – G286 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. Be3 Bxe3 9. fxe3 O-O 10. a4 Rb8
World Blitz 2009 – Round 40 – Polgar, Judit – 1-0 – Anand, Viswanathan – G422 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. a4 Rb8 9. Nc3 Bg4 10. h3 Bxf3
World Blitz 2015 – Round 10.66 – Guliyev, Namig – 0-1 – Grigoriants, Sergey – G649 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. d3 d6 8. c3 h6 9. Nbd2 O-O 10. Qe2 Re8
World Blitz 2022 – Round 14.64 – Najer, Evgeniy – 1-0 – Sapenov, Daniyal – G772 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 d6 8. Nd5 Rb8 9. c3 Nxd5 10. Bxd5 Ne7
World Rapid 2021 – Round 4.9 – Najer, Evgeniy – 0-1 – Shirov, Alexei – G258 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. Nc3 d6 8. Nd5 Na5 9. d4 exd4 10. Bg5 c6

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