C09b — French: Tarrasch, Open, 5.Ngf3 Nc6 6.Bb5

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte e5, un fou actif en b5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Tour sur colonne e.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte b4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nf6 (Développer Ng8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Be7 (Développer Bf8) ; ...c4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	● b4 (2v0)
Cases faibles	● d4	—
Centre	● e5 (2v1)	● d4 (2v1), ● d5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● e	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Clouages	—	● knight c6
Non développées	3 (c1, a1, h1)	5 (g8, c8, f8, a8, h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c3	● …c5-c4, ● …f7-f6, ● …f7-f5

Partie
1933 Leningrad ch-URS – Round 1 – Levenfish, Grigory – 1-0 – Yudovich, Mikhail M – G49 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Nf6 7. O-O Be7 8. dxc5 O-O 9. Nb3 Ne4 10. Be3 Bg4
1935 Warsaw ol (Men) – Round 18 – Krogius, Ragnar – 1-0 – O'Hanlon, John – G37 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Nf6 7. O-O cxd4 8. Nxd4 Bd7 9. N2f3 Be7 10. c3 O-O
1937 Tbilisi ch-URS – Round 14 – Panov, Vasily – 0-1 – Bondarevsky, Igor – G157 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Qe7+ 7. Be2 Qc7 8. O-O Nf6 9. Re1 Be6 10. dxc5 Bxc5
1938 Stockholm – Round 1 – Johansson, Martin 1979 – 1/2-1/2 – Carlsson, Henrik 2002 – G20 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Bd6 9. dxc5 Bxc5 10. Nb3 Bd6
1939 Buenos Aires ol f-A – Round 6 – Rauch, Meir – 1-0 – Cruz, Walter – G123 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Nf6 7. O-O Be7 8. dxc5 O-O 9. Nb3 Bg4 10. Bxc6 bxc6
1939 Buenos Aires ol f-A – Round 8 – Ekenberg, Bengt – 1/2-1/2 – Cruz, Walter – G165 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Qc7 8. dxc5 Nf6 9. Nb3 Bxc5 10. Nxc5 Qa5+
1939 Buenos Aires ol prel-D – Round 1 – Keres, Paul – 1-0 – Staahlberg, Gideon – G3 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 c4 7. O-O Bd6 8. b3 cxb3 9. axb3 Ne7 10. Re1 O-O
1942 Sao Paulo – Round 3 – Cruz, Walter – 0-1 – Duarte, Paulo Jorge Silva – G3 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Qe7+ 7. Be2 Qc7 8. O-O Nf6 9. Re1 Be6 10. dxc5 Bxc5
1946 ARG-ESP radio m – Round 1 – Llado Lumbera, Jaime – 1/2-1/2 – Alvarez Martin, Pedro – G6 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 c4 7. O-O Bd6 8. b3 cxb3 9. axb3 Ne7 10. c4 O-O
1946 New York ch-USA – Round 1 – Santasiere, Anthony – 1-0 – Drexel, Gustave – G42 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O cxd4 9. Re1+ Be7 10. Nb3 Nf6
1947 Nt – Round 11 – Rellstab, Ludwig Sr – 1/2-1/2 – Saemisch, Friedrich – G16 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 a6 7. Bxc6+ bxc6 8. O-O Bd6 9. dxc5 Bxc5 10. c4 Ne7
1948 GBR-NED match – Round 1.1 – Euwe, Max – 1-0 – Broadbent, Reginald – G1 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Nf6 7. O-O Be6 8. Re1 Bd6 9. dxc5 Bxc5 10. Nb3 Qb6
1948 Saltsjobaden Interzonal – Round 2 – Book, Eero – 1/2-1/2 – Bondarevsky, Igor – G17 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Qc7 8. O-O Nf6 9. c4 Be6 10. dxc5 Bxc5
1949 Gambit CC Ch – Round 4 – Anderson, Frank Ross – 1-0 – Fischer Neto, Celso – G4 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Nf6 9. Re1+ Be7 10. dxc5 O-O
1949 Moscow Ch – Round 1 – Trupan, Vladilen – 0-1 – Lilienthal, Andor – G40 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Be6 9. Re1 Nf6 10. Ng5 cxd4
1949 Split/Belgrade m – Round 3 – Gligorić, Svetozar – 1-0 – Stahlberg, Gideon – G3 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Bd6 9. dxc5 Bxc5 10. Nb3 Bd6
1950 Dubrovnik olm – Round 11 – Prins, Laura – 0-1 – Bergqvist, Nils – G167 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Nf6 7. O-O Be7 8. dxc5 O-O 9. Nb3 Ne4 10. Be3 Bg4
1950 Dubrovnik olm – Round 7 – Prins, Laura – 1-0 – Niemi, Reino – G98 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Bd6 9. dxc5 Bxc5 10. Nb3 Bd6
1950 Schiavno Zdroj – Round 1 – Keres, Paul – 1-0 – Koberl, Ferenc – G36 1. d4 e6 2. e4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O cxd4 9. Re1+ Be7 10. Nb3 Kf8
1950 SUI Ch – Round 4 – Mueller, Philip – 0-1 – Grob, Henry – G9 1. d4 e6 2. e4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Qe7+ 7. Qe2 Qxe2+ 8. Kxe2 cxd4 9. Nb3 a6 10. Bxc6+ bxc6
1951 Marianske Lazne zt – Round 1 – Foltys, Jan – 1-0 – Basjuni, Sad Zaglul – G15 1. d4 e6 2. e4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Be6 9. Re1 Qf6 10. c4 Ne7
1952 Helsinki olm – Round 1 – Boleslavsky, Isaak – 1-0 – Rossetto, Hector – G4 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Bd6 9. dxc5 Bxc5 10. Nb3 Bb6
1952 Mar del Plata – Round 9 – Letelier Martner, Rene – 1/2-1/2 – Budowski, Gerardo – G70 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Nf6 9. Re1+ Be7 10. dxc5 O-O
1958 GBR Ch 45th – Round 6.1 – Barden, Leonard – 1/2-1/2 – Howson, James B – G38 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Qc7 8. O-O Nf6 9. Re1 Be7 10. dxc5 Bxc5
1958 Toronto Ch – Round 11 – Anderson, Frank Ross – 1-0 – Leskowsky, Zoltan Emerk – G10 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd7 7. O-O a6 8. Re1+ Be6 9. Bxc6+ bxc6 10. dxc5 Bxc5
1961 USSR – Round 1 – Ravinsky, Grigory – 1-0 – Barsky, Sam – G18 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Bd6 9. dxc5 Bxc5 10. Nb3 Bd6
1962 Capablanca Memorial – Round 10 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Haro Garcia, Gilberto – G100 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 a6 7. Qe2+ Be6 8. Bxc6+ bxc6 9. dxc5 Bxc5 10. O-O Nf6
1962 Lasker Memorial – Round 7 – Fuchs, Reinhart – 1/2-1/2 – Uhlmann, Wolfgang – G15 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 c4 7. Qe2+ Qe7 8. b3 cxb3 9. axb3 Bd7 10. Bxc6 Qxe2+
1964 DDR Ch 14th – Round 12 – Maedler, Juergen, Dr. – 1/2-1/2 – Uhlmann, Wolfgang – G16 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Qe7+ 7. Be2 c4 8. O-O Qf6 9. Re1 Be6 10. Bxc4 O-O-O
1964 Memorial M.Chigorin – Round 13 – Bondarevsky, Igor – 1-0 – Garcia Gonzalez, Gonzalo – G10 1. d4 e6 2. e4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Qe7+ 7. Be2 c4 8. O-O Qc7 9. Re1 Be7 10. b3 b5
1965 Marianske Lazne – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Stahlberg, Gideon – G7 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 c4 7. O-O Bd6 8. b3 cxb3 9. c4 Ne7 10. cxd5 Nxd5
1968 Monte Carlo – Round 6 – Padevsky, Nikola – 1/2-1/2 – Gheorghiu, Florin – G38 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 cxd4 8. O-O Qd8 9. Nb3 Bd6 10. Nbxd4 Nge7
1968 YUG Ch 23th – Round 9 – Kurajica, Bojan – 1/2-1/2 – Puc, Stojan – G48 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Nf6 7. O-O Be7 8. dxc5 O-O 9. Nb3 Bg4 10. h3 Bh5
1969 Moscow – Round ? – Tal, Mikhail – 1-0 – Zaichev A – G14 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Qc7 8. O-O cxd4 9. Nb3 Bd6 10. Nbxd4 a6
1969 Moskou ch-URS – Round 1 – Tal, Mikhail – 1-0 – Zaitsev, Alexander – G184 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Qe7+ 7. Be2 Qc7 8. O-O cxd4 9. Nb3 Bd6 10. Nbxd4 a6
FIDE World Cup 2017 – Round 1.5 – Gonzalez Vidal, Yuri – 1/2-1/2 – Harikrishna, Pentala – G174 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Qe7+ 7. Be2 Qc7 8. O-O Nf6 9. Re1 Be7 10. dxc5 Bxc5
Hastings8899 1988 – Round 1 – Kosten, Anthony C. – 1/2-1/2 – Korchnoi, Viktor – G22 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Nf6 8. O-O Qc7 9. Re1 Be6 10. dxc5 Bxc5
Manila Interzonal 1990 – Round 8 – Ivanchuk, Vasyl – 1/2-1/2 – Korchnoi, Viktor – G140 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Nf6 8. O-O Qc7 9. dxc5 Bxc5 10. Nb3 Be7
World Rapid 2019 – Round 10.89 – Santos Ruiz, Miguel – 1/2-1/2 – Kryakvin, Dmitry – G684 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Qe7+ 7. Be2 Qc7 8. O-O Nf6 9. Re1 cxd4 10. Nb3 Bb4
World Rapid 2019 – Round 7.56 – Kovalev, Vladislav – 1-0 – Yanchenko, Roman – G472 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 c4 7. O-O Bd6 8. b3 cxb3 9. axb3 Ne7 10. Ba3 Bxa3

C09b — Tarrasch Open

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5

Eval: [+0.20]

Les coups candidats

6…Bd6 — 71.8% (5023 parties) →

Ambassadeurs : Uhlmann, Wolfgang (116x), Vaganian, Rafael A (69x), Portisch, Ferenc (52x), Lputian, Smbat (43x), Farago, Ivan (32x), Casper, Thomas (29x), Jussupow, Artur (29x), Jansa, Vlastimil (26x)

6…Qe7+ — 11.3% (788 parties)

Ambassadeurs : Zvjaginsev, Vadim (13x), Zhukova, Natalia (11x), Kryakvin, Dmitry (11x), Injac, Teodora (7x), Jansa, Vlastimil (7x), Milikow, Yoav (7x), Mayrhuber, Nikola (7x), Weinzettl, Ernst (6x)

6…cxd4 — 5.3% (373 parties) →

Ambassadeurs : Vysochin, Spartak (17x), Vaisser, Anatoly (14x), Nilssen, Ellen Fredericia (11x), Dolmatov, Sergey (10x), Gasthofer, Viktor (9x), Cosma, Elena-Luminita (9x), Gdanski, Jacek (7x), Caliskan, Seha (6x)

6…Nf6 — 3.9% (272 parties)

Ambassadeurs : Yudovich, Mikhail M (2x), Kostic, Vladimir G (2x), Maletskij, Igor (2x), Farina, Saverio Alessandro (2x), Broberg, Horst (2x), Bende, Ede (2x), Goltsev, Dmitry (2x), Krogius, Ragnar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Bd6	6…Qe7+	6…cxd4	6…Nf6
<1800	159	38%	16%	4%	11%
1800-2200	1730	63%	12%	5%	7%
2200-2600	3246	76%	13%	6%	2%
2600+	181	66%	20%	14%	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Bd6	6…Qe7+	6…cxd4	6…Nf6
1920s	1	—	100%	—	—
1930s	10	—	40%	—	30%
1940s	45	51%	9%	4%	4%
1950s	53	58%	11%	—	8%
1960s	129	79%	9%	—	6%
1970s	643	92%	2%	1%	1%
1980s	906	90%	2%	4%	1%
1990s	1286	83%	2%	4%	3%
2000s	1633	77%	5%	5%	4%
2010s	1691	58%	20%	8%	5%
2020s	603	27%	50%	11%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Bd6	58%	27%	▼ -30.9%
6…Qe7+	20%	50%	▲ +30.3%
6…cxd4	8%	11%	▲ +3.0%
6…Nf6	5%	6%	▲ +1.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Aleksandr — 9 parties
Karpov, Anatoly — 7 parties
Botvinnik, Mikhail — 6 parties
Kasparov, Garry — 6 parties
Carlsen, Magnus — 4 parties
Kramnik, Vladimir — 4 parties
Euwe, Max — 2 parties
Anand, Viswanathan — 2 parties
Smyslov, Vladimir — 1 partie
Gukesh D — 1 partie

Parties historiques

6…Bd6 — 71.8% (5023 parties)

1940 — Bondarevsky, Igor vs Alatortsev, Vladimir N. — 1/2-1/2 — Kiev UKR
1940 — Bondarevsky, Igor vs Boleslavsky, Isaac — 1/2-1/2 — Moskou ch-URS
1940 — Rudakovsky, Iosif vs Alatortsev, Vladimir N. — 1-0 — Kiev UKR
1940 — Mikenas, Vladas vs Stolberg, Mark Moiseevich — 0-1 — Moskou ch-URS
1940 — Rudakovsky, Iosif vs Boleslavsky, Isaac — 0-1 — Ukraine

6…Qe7+ — 11.3% (788 parties)

1929 — Capablanca, Jose vs D E McNab — 0-1 — Whitechurch ENG
1937 — Panov, Vasily vs Bondarevsky, Igor — 0-1 — Tbilisi ch-URS
1938 — Keres, Paul Petrovich vs Capablanca, Jose — 1-0 — ?
1938 — Keres, Paul vs Capablanca, Jose — 1-0 — Nederland
1939 — Ekenberg, Bengt vs Cruz, Walter — 1/2-1/2 — Buenos Aires ARG

6…cxd4 — 5.3% (373 parties)

1941 — Ragozin, Viacheslav vs Botvinnik, Mikhail — 0-1 — Training game March
1944 — Averbakh, Yuri L vs Botvinnik, Mikhail — 1/2-1/2 — Moskva ch SU
1970 — Jansa, Vlastimil vs Zinn, Lothar — 1/2-1/2 — Siegen olm
1970 — Velikov, Petar vs Tsankov, Dobromir — 1-0 — Sofia BUL
1970 — Kristol, Luba vs Rootare Salme — 1-0 — cr USSR chT

6…Nf6 — 3.9% (272 parties)

1933 — Levenfish, Grigory vs Yudovich, Mikhail M — 1-0 — Leningrad ch-URS
1935 — Krogius, Ragnar vs O'Hanlon, John — 1-0 — Warsaw POL
1939 — Rauch, Meir vs Cruz, Walter — 1-0 — Buenos Aires ARG
1947 — Kuppe, Wilhelm vs Heinicke, Herbert — 0-1 — Schachmeisterturnier
1948 — Euwe, Max vs Broadbent, Reginald — 1-0 — London, Bonnington Hall

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