C04j — French: Tarrasch, Guimard, Main Line, 6.Nb3 Be7

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Nb3 Be7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte g5, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Be3 — Développer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● b6+Bb7 — PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bg4, ...Bf5)
● ...Bg4 — Clouer Nf3
● ...f6 — Rupture
● ...f5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C04j — Tarrasch Guimard Main Line

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Nb3 Be7

Eval: [+0.68]

Les coups candidats

7.Bb5 — 69.2% (377 parties)

Ambassadeurs : Huebner, Robert (7x), Knudsen, John C (6x), Just, Gabriele, Dr. (6x), Guimard, Carlos E (5x), Krouzel, Jaroslav (5x), Hug, Werner (4x), Garibaldi, Lucio (4x), Suetin, Alexey S (3x)

7.c3 — 15.8% (86 parties)

Ambassadeurs : Just, Joachim (3x), Carlson Maragia (2x), Brilliant, AN. (2x), Lieb, Harald (2x), Milligan, Adin (2x), Thoma, Robert (2x), Kruimer, H J (2x), Klaman, Konstantin Mikhailovich (1x)

7.Bf4 — 4.6% (25 parties)

Ambassadeurs : Suetin, Alexey S (3x), Sakharov, Yuri N (2x), Clarke, Peter H (1x), Tate, Leslie S (1x), Rossolimo, Nicolas (1x), Guimard, Carlos E (1x), Hearst, Eliot (1x), Byrne, Ray (1x)

7.h4 — 4.4% (24 parties)

Ambassadeurs : Sterud, Edvard (2x), Volosin, Leon (2x), Krouzel, Jaroslav (2x), Bolbochan, J. (1x), Guimard, Carlos E (1x), Herrera Rowley, Diego Francisco (1x), Maillard, W. (1x), Kolbak, Jens (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Bb5	7.c3	7.Bf4	7.h4
<1800	10	40%	30%	10%	—
1800-2200	107	76%	14%	3%	3%
2200-2600	230	64%	19%	5%	6%
2600+	5	60%	—	20%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Bb5	7.c3	7.Bf4	7.h4
1940s	5	80%	20%	—	—
1950s	16	75%	12%	6%	6%
1960s	36	72%	8%	14%	—
1970s	75	75%	17%	—	5%
1980s	92	80%	11%	1%	5%
1990s	65	65%	18%	5%	5%
2000s	102	62%	20%	4%	5%
2010s	142	68%	14%	6%	4%
2020s	12	33%	42%	25%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bb5	68%	33%	▼ -34.3%
7.c3	14%	42%	▲ +27.6%
7.Bf4	6%	25%	▲ +19.4%
7.h4	4%	0%	▼ -4.2%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

7.Bb5 — 69.2% (377 parties)

1948 — Foltys, Jan vs Troianescu, Octav — 0-1 — Karlovy Vary
1949 — Letelier Martner, Rene vs Guimard, Carlos E — 1-0 — Mar del Plata ARG
1949 — Najdorf, Miguel vs Guimard, Carlos E — 1-0 — Buenos Aires ARG
1949 — Beretta, Hector vs Guimard, Carlos E — 0-1 — Remedios de Escalada
1950 — Sokolsky, Alexey vs Saigin, Vladimir — 1-0 — Kiev UKR

7.c3 — 15.8% (86 parties)

1947 — Klaman, Konstantin Mikhailovich vs Tolush, Alexander — 1/2-1/2 — Leningrad ch-URS
1951 — Mangini, Jose Henrique de Mello vs Guimard, Carlos E — 1/2-1/2 — Mar del Plata ARG
1952 — Milic, Borislav vs Gruber, Bernd — 1-0 — Belgrade SRB
1964 — Kane, George Francis vs Moritz, Henry — 1-0 — Oakland, CA
1968 — Schroeter, Hans-Christoph vs Langer, Wolfgang — 1-0 — corr GER tt??

7.Bf4 — 4.6% (25 parties)

1950 — Rossolimo, Nicolas vs Guimard, Carlos E — 1-0 — Mar del Plata ARG
1961 — Hearst, Eliot vs Byrne, Ray — 1/2-1/2 — New York, NY USA
1965 — Sakharov, Yuri N vs Suetin, Alexey S — 1/2-1/2 — Tallinn EST
1965 — Sakharov, Yuri N vs Suetin, Alexey S — 1/2-1/2 — ?
1965 — Sakharov, Yuri G. vs Suetin, Alexey S — 1/2-1/2 — Tallinn ch-URS

7.h4 — 4.4% (24 parties)

1958 — Bolbochan, J. vs Guimard, Carlos E — 1-0 — Buenos Aires ARG
1970 — Kolbak, Jens vs Petersen, Bent Wester — 1-0 — Randers DEN
1975 — Shamkovich, Leonid vs Mednis, Edmar J — 1-0 — Cleveland, OH USA
1978 — Bhend, Edwin vs De Hert, Robert — 1/2-1/2 — Buenos Aires ARG
1979 — Novikov, Adolf vs Kosikov, Alexey I — 1-0 — Sumi

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d4→e5	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v1), ● g5 (2v1)	● b4 (2v0)
Cases faibles	—	● c5, ● e5
Centre	● d4 (3v1)	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Be7		● Be7 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	3 (c8, 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	● …f7-f6, ● …f7-f5

Partie
1947 Leningrad ch-URS – Round 17 – Klaman, Konstantin Mikhailovich – 1/2-1/2 – Tolush, Alexander – G159 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. c3 O-O 8. Bd3 f6 9. h4 fxe5 10. dxe5 Ndxe5
1948 Karlovy Vary – Round 12 – Foltys, Jan – 0-1 – Troianescu, Octav – G121 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. O-O c5 10. Na5 Nb8
1949 Mar del Plata – Round 16 – Letelier Martner, Rene – 1-0 – Guimard, Carlos E – G139 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. O-O c5 10. c4 dxc4
1949 Remedios de Escalada – Round 4 – Beretta, Hector – 0-1 – Guimard, Carlos E – G14 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. O-O c5 10. Na5 Nb8
1950 Mar del Plata – Round 3 – Rossolimo, Nicolas – 1-0 – Guimard, Carlos E – G28 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bf4 b6 8. c3 Na5 9. Nxa5 bxa5 10. Bd3 c5
1950 URS Ch sf – Round 5 – Sokolsky, Alexey – 1-0 – Saigin, Vladimir – G11 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O Nb6 9. Re1 Bd7 10. Bd3 Nb4
1951 Chigorin Memorial – Round ? – Suetin, Alexey S – 1-0 – Korchnoi, Viktor – G24 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O Ncb8 9. Qe2 b6 10. Bf4 Bb7
1951 Mar del Plata zt – Round 10 – Mangini, Jose Henrique de Mello – 1/2-1/2 – Guimard, Carlos E – G101 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. c3 f6 8. exf6 Bxf6 9. Be2 O-O 10. Bf4 a5
1955 Buenos Aires CA – Round 1 – Reinhardt, Enrique – 0-1 – Guimard, Carlos E – G13 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O Ncb8 9. Bd3 b6 10. c3 Ba6
1956 Poltava – Round 1 – Sorokin, Garald K. – 0-1 – Korchnoi, Viktor – G9 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O O-O 9. Re1 b6 10. c3 a5
1958 Buenos Aires V – Round 5 – Bolbochan, J. – 1-0 – Guimard, Carlos E – G24 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. h4 a5 8. a4 h6 9. Bf4 Ncb8 10. c3 b6
1958 Munich olm fin-B – Round 3 – Yanofsky, Daniel Abraham – 1-0 – Portisch, Lajos – G15 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O Ncb8 9. c3 b6 10. Ne1 c6
1960 AUS Ch – Round 3 – Bagirov, Vladimir – 1-0 – Ozols, Karlis – G10 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. Na5 Bb4+ 10. Bd2 Bxa5
1960 Buenos Aires – Round 16 – Ivkov, Borislav – 0-1 – Guimard, Carlos E – G171 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. O-O c5 10. Na5 O-O
1960 GBR Ch 47th – Round 6.1 – Penrose, Jonathan – 1-0 – Lloyd, Kenneth William – G48 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O Nb4 9. c3 c6 10. Be2 Na6
1960 Moscow – Round 1 – Vasilchuk, Egor – 1-0 – Volovich, Anatoly – G8 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O a5 9. a4 b6 10. Re1 Ba6
1961 New York ch-USA – Round 4 – Hearst, Eliot – 1/2-1/2 – Byrne, Ray – G19 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bf4 O-O 8. c3 f6 9. exf6 Bxf6 10. Bb5 Ne7
1962 Capablanca Memorial – Round 1 – Abad Gonzalez, Jose Miguel – 0-1 – Ivkov, Borislav – G11 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. Na5 Nb8 10. c3 c5
1963 Luzern Clare Benedic – Round ? – Clarke, Peter H – 1-0 – Keller, Dieter – G30 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O b6 9. Bd3 c5 10. c4 Bb7
1964 Buenos Aires – Round 9 – Keres, Paul Petrovich – 1/2-1/2 – Byrne, Robert E – G83 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. c4 f6 8. cxd5 exd5 9. Bb5 O-O 10. O-O fxe5
1965 Tallinn ch-URS – Round 1 – Sakharov, Yuri G. – 1/2-1/2 – Suetin, Alexey S – G122 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bf4 O-O 8. Bb5 Ncb8 9. c3 b6 10. Qe2 c5
1965 Wch U20 f-A – Round 5 – Kurajica, Bojan – 1/2-1/2 – Bronstein, Luis Marcos – G11 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O a6 9. Bxc6 bxc6 10. Na5 c5
1966 Palma de Majorca ESP – Round 5 – Matanovic, Aleksandar – 1/2-1/2 – Lehmann, Heinz – G7 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O b6 9. Bd2 c6 10. Bd3 Ba6
1966 Titovo Uzice – Round 1 – Janosevic, Dragoljub – 0-1 – Suetin, Alexey S – G79 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O b6 9. Qe2 a5 10. Be3 O-O
1967 It II – Round 6 – Ostojic, Predrag – 1-0 – Keller, Dieter – G15 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O b6 9. Bd2 c6 10. Bd3 Ba6
1967 Sarajevo – Round 11 – Ciric, Dimitrije – 1-0 – Byrne, Ray – G62 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O a6 9. Bxc6 bxc6 10. Na5 c5
1967 Skopje – Round 6 – Nicevski, Risto – 1/2-1/2 – Sofrevski, Jovan – G51 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O b6 9. Qe2 a5 10. Be3 O-O
1968 Bristol ch-BCF – Round 5 – Clarke, Peter H – 1-0 – Tate, Leslie S – G61 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bf4 O-O 8. c3 f6 9. Bg3 fxe5 10. dxe5 Nc5
1968 Lasker Memorial – Round 1 – ? – 1-0 – Espig, Lutz – G24 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. O-O c5 10. Na5 Nb8
1968 OWL Ch – Round 4 – Groenegress, Wilfried – 1-0 – Oestreich, Reinhard – G6 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 f6 8. Bf4 fxe5 9. dxe5 O-O 10. Bg3 a6
1968 WchT U26 – Round 1 – Tukmakov, Vladimir B – 1/2-1/2 – Huebner, Robert – G49 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. O-O b6 9. Re1 O-O 10. Bf4 Ba6
1969 Raach zt – Round 2 – Matanovic, Aleksandar – 1/2-1/2 – Dueckstein, Andreas – G37 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. O-O Ncb8 9. a4 a5 10. Nbd2 b6
1969 Schwerin – Round 1 – Packroff, Hermann – 1/2-1/2 – Espig, Lutz – G30 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. c3 f6 8. Bf4 fxe5 9. dxe5 O-O 10. Bg3 Qe8
1971 Hoogovens – Round 5 – Andersson, Ulf – 1/2-1/2 – Huebner, Robert – G194 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 O-O 8. Bf4 a6 9. Bxc6 bxc6 10. Na5 c5
1972 Skopje ol (Men) fin-A – Round 12 – Andersson, Ulf – 1/2-1/2 – Hug, Werner – G341 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 Ncb8 8. c3 b6 9. h4 c5 10. Rh3 Ba6
1973 Leningrad Interzonal – Round 14 – Estevez Garcia, Gonzalo – 1-0 – Huebner, Robert – G122 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bb5 a6 8. Bxc6 bxc6 9. Na5 Nb8 10. O-O c5
40. Olympiad Open 2012 – Round 4.4 – Howell, David W L – 1/2-1/2 – Bauer, Christian – G268 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bf4 a5 8. a4 b6 9. h4 h6 10. h5 Bb7
World Blitz 2018 – Round 20.27 – Mamedov, Rauf – 1-0 – Khusnutdinov, Rafael – G1174 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Bd3 Nb4 8. Be2 c5 9. c3 Nc6 10. O-O O-O
World Blitz 2019 – Round 11.58 – Santos Ruiz, Miguel – 1/2-1/2 – Khusnutdinov, Rafael – G765 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 Be7 7. Be2 O-O 8. O-O f6 9. exf6 Bxf6 10. c4 Nb6

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