C08m — French: Tarrasch, Open, 4.exd5 exd5 5.Ngf3 Nf6, Main Line, 10.Nb3

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nf6 6.Bb5+ Bd7 7.Bxd7+ Nbd7 8.O-O Be7 9.dxc5 Nxc5 10.Nb3 * ● Trait aux Noirs

Ouverture — Centre asymétrique

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes d4 et g5 et la colonne semi-ouverte d.

Côté adverse. Le pion isolé d5, le fou enfermé en e7 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bg5 (Clouer Nf6) ; Tour sur colonne e ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (1 contre 0), la case forte e4 et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Le roi n'est pas encore à l'abri, plusieurs pièces dorment encore (les tours a8 et h8) et le pion isolé d5.

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d4 (Rupture) ; Tour sur colonne e ; Tour sur colonne c.

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	● d5
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	● aile_dame 3v2	● centre 1v0

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v0), ● g5 (2v0)	● e4 (3v0)
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (1v0)	● d5 (2v1), ● e4 (3v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● e	● e
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be7		● Be7 Enfermé (mob. 2)
Paire de fous	Non	Non
Non développées	2 (c1, a1)	2 (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	asymétrique
Ruptures	● c2-c3	● …d5-d4

Partie
1927 Santiago de Chile sim – Round ? – Alekhine, Alexander – 1-0 – Flores Alvarez, Rodrigo – G10 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1943 Rio de Janeiro free – Round ? – Eliskases, Erich – 1-0 – Cruz Filho, Oswaldo – G15 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1949 CAN Ch – Round 2 – Andersen, Borge – 1/2-1/2 – Yanofsky, Daniel Abraham – G4 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1952 Saltsjobaden Interzonal – Round 8 – Averbakh, Yuri L – 1/2-1/2 – Geller, Efim P – G77 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1952 URS Ch sf – Round ? – Aronin, Lev – 1-0 – Katalymov, Boris – G16 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1958 Riga ch-URS – Round 1 – Krogius, Nikolai V – 1-0 – Boleslavsky, Isaac – G97 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1964 Belgrade – Round 1 – Matulovic, M. – 1/2-1/2 – Kortchnoi, V. – G15 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1964 Liberation – Round 12 – Matulovic, Milan – 1/2-1/2 – Korchnoi, Viktor – G34 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1964 RSFSR-HUN – Round 1.6 – Zagorovsky, Vladimir – 1-0 – Barczay, Laszlo – G6 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nfe4
1965 Berlin tt – Round 2 – Darga, Klaus – 1-0 – Clarke, Peter H – G15 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1965 HUN-ch21 – Round 1 – Haag, Ervin – 1/2-1/2 – Portisch, Ferenc – G63 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1965 Yerevan – Round 7 – Matanovic, Anto – 1/2-1/2 – Schmid, Leo – G41 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1966 Tel Aviv 6th – Round 1 – Matanovic, Aleksandar – 1-0 – Czerniak, Moshe – G4 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1966 WchTJ U26 prel – Round 1 – Neukirch, Detlef – 1/2-1/2 – Rajkovic, Dusan – G8 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1967 Sarajevo it – Round 15 – Ciric, Dimitrije – 1/2-1/2 – Ivkov, Borislav – G24 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1967 URS Team Ch – Round 1 – Voskanyan, Vahagn – 0-1 – Arulaid, Alexander – G134 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1967 YUG Ch 22th – Round 13 – Matulovic, Milan – 1/2-1/2 – Marić, Rudolf – G69 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1968 Bamberg – Round 8 – Keres, Paul – 1-0 – Ivkov, Borislav – G59 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1968 Malaga – Round 8 – Rossolimo, Nicolas – 1/2-1/2 – Ivkov, Borislav – G18 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1968 Rubinstein Memorial – Round 14 – Grabczewski, Romuald – 1/2-1/2 – Padevsky, Nikola – G73 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1968 Solingen GER – Round 1 – Parma, Bruno – 1-0 – Donner, Jan-Hein – G4 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1969 Luhacovice – Round 11 – Smejkal, Jakub – 1/2-1/2 – Hort, Vlastimil – G87 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1969 Raach zt – Round ? – Smejkal, Jan – 1/2-1/2 – Jansson, Borje – G14 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1969 Vidmar Memorial – Round 15 – Parma, Bruno – 1-0 – Puc, Stojan – G51 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
1969 Vidmar Memorial – Round 7 – Robatsch, Karl – 1/2-1/2 – Puc, Stojan – G6 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
1972 Skopje ol (Men) fin-A – Round 12 – Tal, Mihail – 1-0 – Benko, Pal – G344 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
Biel Interzonal 1993 – Round 1 – Gurevich, Ilya – 0-1 – Bareev, Evgeny – G23 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
Brussels 1987 – Round 1 – Van der Wiel, John T.H. – 1/2-1/2 – Ljubojevic, Ljubomir – G31 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nfe4
EU Team Ch 1980 – Round 6 – Gruenfeld, Yehuda – 1/2-1/2 – Petrosian, Tigran V. – G17 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
FIDE-Wch k.o. 1997 – Round 3.2 – Akopian, Vladimir – 1/2-1/2 – Vaganian, Rafael A – G133 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
FIDE-Wch k.o. 1997 – Round 3.6 – Akopian, Vladimir – 1/2-1/2 – Vaganian, Rafael A – G149 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
Olympiad 2002 – Round 7 – Ye, Jiangchuan – 1-0 – Pelletier, Yannick – G246 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4
Skopje ol (Men) fin-A 1972 – Round 12 – Tal, Mikhail – 1-0 – Benko, Pal – G39 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 O-O
World Blitz 2019 – Round 12.43 – Zvjaginsev, Vadim – 1/2-1/2 – Xu, Yinglun – G823 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4

C08m — Tarrasch Open Main Line

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nf6 6.Bb5+ Bd7 7.Bxd7+ Nbd7 8.O-O Be7 9.dxc5 Nxc5 10.Nb3

Eval: [+0.08]

Les coups candidats

10…Nce4 — 85.7% (1198 parties)

Ambassadeurs : Dizdar, Goran (20x), Rozentalis, Eduardas (14x), Sambuev, Bator (14x), Ponfilenok, Vladimir (12x), Bareev, Evgeny (10x), Galanov, Sergey Igorevich (10x), Dokhoian, Yury (9x), Ivkov, Borislav (9x)

10…O-O — 7.4% (103 parties)

Ambassadeurs : Puc, Stojan (4x), Portisch, Ferenc (2x), Andersen, Borge (1x), Yanofsky, Daniel Abraham (1x), Alekhine, Alexander (1x), De Souza Mendes, Joao (1x), Eliskases, Erich (1x), Cruz Filho, Oswaldo (1x)

10…Ne6 — 2.5% (35 parties)

Ambassadeurs : Kazmierski, Tomasz (4x), Bolz, Joachim (2x), Jarabinsky, Martin (2x), Misericordia, Antonio (2x), Prins, Lodewijk (1x), Tramoyeres P (1x), Oltersdorff (1x), Schnieder (1x)

10…Nxb3 — 2.4% (34 parties)

Ambassadeurs : Dobrovolsky, Ladislav (1x), Ambroz, Jan (1x), Jansa, Vlastimil (1x), Filip, Miroslav (1x), Madsen, Flemming Reidl (1x), Winkler, Eberhard (1x), Mueller, Christian (1x), Berkes, Achim (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Nce4	10…O-O	10…Ne6	10…Nxb3
<1800	38	61%	18%	13%	8%
1800-2200	421	85%	7%	3%	3%
2200-2600	730	92%	4%	1%	1%
2600+	34	97%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Nce4	10…O-O	10…Ne6	10…Nxb3
1920s	1	100%	—	—	—
1930s	2	50%	50%	—	—
1940s	3	33%	67%	—	—
1950s	5	60%	20%	20%	—
1960s	20	70%	25%	—	—
1970s	22	32%	55%	5%	5%
1980s	57	67%	25%	2%	2%
1990s	132	83%	9%	1%	5%
2000s	341	86%	7%	2%	4%
2010s	709	89%	4%	3%	2%
2020s	106	92%	6%	1%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Nce4	89%	92%	▲ +2.2%
10…O-O	4%	6%	▲ +1.9%
10…Ne6	3%	1%	▼ -2.3%
10…Nxb3	2%	2%	+0.3%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 2 parties
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

10…Nce4 — 85.7% (1198 parties)

1927 — Alekhine, Alexander vs Flores Alvarez, Rodrigo — 1-0 — Santiago de Chile
1939 — Yudovich, Mikhail M vs Krolyunishky, Mikhail — 1-0 — Moscow RUS
1945 — Rauch, Joseph Lyon vs Yanofsky, Daniel Abraham — 0-1 — Saskatoon
1952 — Averbakh, Yuri L vs Geller, Efim P. — 1/2-1/2 — Saltsjobaden SWE
1952 — Steinberg, Jose vs Rodriguez Camio, A. — 1/2-1/2 — Rosario ARG

10…O-O — 7.4% (103 parties)

1939 — Alekhine, Alexander vs De Souza Mendes, Joao — 1/2-1/2 — Rio de Janeiro BRA
1943 — Eliskases, Erich vs Cruz Filho, Oswaldo — 1-0 — Rio de Janeiro BRA
1949 — Andersen, Borge vs Yanofsky, Daniel Abraham — 1/2-1/2 — Arvida
1958 — Krogius, Nikolai V vs Boleslavsky, Isaac — 1-0 — Riga ch-URS
1965 — Haag, Ervin vs Portisch, Ferenc — 1/2-1/2 — Budapest HUN

10…Ne6 — 2.5% (35 parties)

1951 — Prins, Lodewijk vs Tramoyeres P — 1-0 — Madrid ESP
1974 — Jamieson, Peter M vs Heidenfeld, Wolfgang — 1-0 — Dublin IRL
1988 — Oltersdorff vs Schnieder — 1-0 — D Mkl corr
1998 — Prokopchuk, Evgeny vs Rychagov, Andrey — 1/2-1/2 — Sochi RUS
2001 — Angelov, Aleks vs Nedjalkov, Nedko — 1-0 — Pamporovo BUL

10…Nxb3 — 2.4% (34 parties)

1977 — Jansa, Vlastimil vs Filip, Miroslav — 1/2-1/2 — Kragujevac SRB
1982 — Dobrovolsky, Ladislav vs Ambroz, Jan — 1-0 — Trnava SVK
1994 — O'Donnell, Tom vs Hebert, Jean — 0-1 — Quebec (Carnaval)
1995 — Mueller, Christian vs Berkes, Achim — 1/2-1/2 — Worms
1995 — Franzen, Jozef vs Havrlik, Pavel — 1-0 — Ceske Budejovice CZE

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