Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● d4, ● d5
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, f4→e5	● e6→d5, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	4 (● 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	● c3-c4, ● f4-f5	● …f7-f6

C05h — French: Tarrasch, Closed, 5.f4 c5 6.c3 Nc6 7.Ndf3 cxd4

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3 cxd4 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. cxd4 (Capture en d4, Occuper le centre — 95 % des parties) ; Nxd4 (Cavalier centralisé en d4 — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Qb6 (Prépare O-O-O — 35 % des parties) ; ...Nb6 (21 % des parties) ; ...Bb4+ (Clouer c3, Fou actif (mobilité 7), Développer f8 — 15 % des parties) ; ...h5 (7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1903 Monte Carlo – Round 16 – Teichmann, Richard – 1-0 – Reggio, Arturo – G30 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 O-O 10. Bd3 f6
1961 URS Ch sf Batumi GEO – Round ? – Bagirov, Vladimir – 1-0 – Arakelov, Ilya – G55 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 O-O 10. g3 f6
1962 GDR Ch Gera GER – Round 13 – Boehnisch, Manfred – 0-1 – Fuchs, Reinhart – G21 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. a3 a5
1963 Alekhine Memorial – Round 11 – Matanovic, Aleksandar – 1/2-1/2 – Pietzsch, Wolfgang – G78 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. Ne2 a5
1964 Kecskemet zt – Round 1 – Matanovic, Aleksandar – 1-0 – Hecht, Hans-Joachim – G81 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. Ne2 h5
1966 La Habana olm fin-C – Round 11 – Balinas, Rosendo Carrean – 1-0 – Olivera, Alfredo – G76 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 f6 10. a3 Ba5
1967 GER ch b20 Hochspeyer – Round 6 – Maeder, Karl-Heinz – 1/2-1/2 – Kanonenberg Wilhelm – G6 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Ne2 Bd7 10. g3 Be7
1968 Buenos Aires – Round 8 – Rubinetti, Jorge – 1-0 – Rossetto, Hector – G56 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 f5 10. Bd3 Be7
1968 Cardenas/Matanzas/Santa Clara – Round 1 – Garcia Martinez, Silvino – 1-0 – Rossetto, Hector – G9 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 f5 10. Bd3 Be7
1968 CB Cup Bad Aibling GER – Round 2 – Cuijpers, Frans Andre – 1-0 – Hecht, Hans-Joachim – G5 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. Ne2 h5
1968 DDR Ch 17. Weimar – Round 4 – Pietzsch, Wolfgang – 1/2-1/2 – Uhlmann, Wolfgang – G1 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 h5 10. Ne2 Bd7
1968 It Buesum GER – Round 6 – Musil, Vojko – 0-1 – Hecht, Hans-Joachim – G28 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. g3 Bd7 10. Ne2 a5
1968 Reykjavik – Round 1 – Olafsson, Fridrik – 1-0 – Fjeldsted, Andres – G70 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 f5 10. Bd3 Be7
1968 Reykjavik – Round 1 – Vasiukov, Evgeni – 1/2-1/2 – Uhlmann, Wolfgang – G69 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Nh3 f5 10. Bd3 Bd7
1968 Skopje/Ohrid – Round 10 – Matulovic, Milan – 1/2-1/2 – Uhlmann, Wolfgang – G85 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 h5 9. Bd3 Nb6 10. Nh3 Bd7
1968 Skopje/Ohrid – Round 12 – Marić, Rudolf – 1-0 – Uhlmann, Wolfgang – G102 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 h5 9. Bd3 Nb6 10. Nh3 Bd7
1968 Skopje/Ohrid – Round 18 – Wade, Robert G – 1-0 – Uhlmann, Wolfgang – G152 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 h5 9. a3 Nb6 10. Bd3 Bd7
1968 Skopje/Ohrid – Round 2 – Matanovic, Aleksandar – 1/2-1/2 – Uhlmann, Wolfgang – G18 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. Ne2 h5
1968 USSR – Round 1 – Estrin, Yakov – 1-0 – Pietzsch, Wolfgang – G59 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 h5 10. Ne2 Bd7
1969 DDR Ch 18th – Round 13 – Vogt, Lothar – 1/2-1/2 – Golz, Werner – G17 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. Ne2 h5
1969 FRG Ch Koenigsfeld GER – Round 3 – Klundt, Klaus – 1/2-1/2 – Heinicke, Herbert – G9 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 f5 9. Bd3 Nb6 10. Ne2 Be7
1969 Liberation – Round 12 – Sahovic, Dragutin – 1/2-1/2 – Hecht, Hans-Joachim – G56 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. Ne2 h5
Petropolis Interzonal 1973 – Round 6 – Hug, Werner – 0-1 – Portisch, Lajos – G25 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. Ne2 h5

C05h — Tarrasch, Closed (1903)

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3 cxd4

Les coups candidats

8.cxd4 — 95.6% (2176 parties)

Ambassadeurs : Cioara, Andrei-Nestor (9x), Rudd, Jack (8x), Huelsmann, Josef (8x), Uhlmann, Wolfgang (7x), Hecht, Hans-Joachim (7x), Salov, Sergej (7x), Lipka, Juraj (6x), Kummerow, Heiko (6x)

8.Nxd4 — 4.4% (99 parties)

Ambassadeurs : Schneider, Henning (5x), Smagin, Sergey (1x), Trapl, Jindrich (1x), Froehlich, Alexander (1x), Kuntz, Alessio (1x), Ahlander, Bjorn (1x), Ornstein, Axel (1x), Michalak, Ireneusz (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.cxd4	8.Nxd4
<1800	100	93%	7%
1800-2200	959	95%	5%
2200-2600	838	97%	3%
2600+	3	100%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.cxd4	8.Nxd4
1960s	44	100%	—
1970s	88	95%	5%
1980s	245	97%	3%
1990s	570	94%	6%
2000s	717	96%	4%
2010s	520	96%	4%
2020s	91	97%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.cxd4	96%	97%	+0.4%
8.Nxd4	4%	3%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 3 parties
Hou, Yifan — 1 partie

Parties historiques

8.cxd4 — 95.6% (2176 parties)

1961 — Bagirov, Vladimir vs Arakelov, Ilya — 1-0 — URS-ch sf Batumi GEO
1962 — Boehnisch, Manfred vs Fuchs, Reinhart — 0-1 — GDR-ch Gera GER
1962 — Maric, Rudolf vs Rossetto, Hector — 1/2-1/2 — Liberation Belgrade YUG
1962 — Lewicki, Sergey vs Makarov, Arkadiy A — 0-1 — ?
1963 — Matanovic, Aleksandar vs Pietzsch, Wolfgang — 1/2-1/2 — Moscow RUS

8.Nxd4 — 4.4% (99 parties)

1977 — Michalak, Ireneusz vs Reefschlaeger, Helmut, Dr. — 1/2-1/2 — Ciechanow
1978 — Larsen, Bent Ravn vs Brinck-Claussen, Bjorn — 1-0 — Esbjerg DEN
1978 — Skrobek, Ryszard vs Bak, Karol — 0-1 — Krakow POL
1979 — Ost-Hansen, Jacob vs Knudsen, Per — 1-0 — Esbjerg DEN
1980 — Ahlander, Bjorn vs Ornstein, Axel — 1/2-1/2 — Stockholm SWE

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