D40h — QGD: Semi-Tarrasch, Symmetrical Variation

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5.

Atouts. Les Blancs s'appuient sur la case forte b5, un fou actif en d3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

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

Plans. Bd2 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte b4, un avant-poste en e4, un fou actif en d6 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	● b4 (2v0)
Cases faibles	● e4	● e5
Centre	—	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 7)
Bd6		● Bd6 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● e3-e4	● …e6-e5

Partie
1900 DSB-12.Kongress – Round 14 – Berger, Jacob – 0-1 – Burn, Amos – G84 1. d4 d5 2. e3 c5 3. c4 e6 4. Nc3 Nf6 5. Nf3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. dxc5 Bxc5 9. Qe2 dxc4 10. Bxc4 e5
1902 DSB-13.Kongress Hauptturnier A – Round 9 – Bleykmans, Dirk – 0-1 – Loman, Rudolf – G22 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. b3 Qe7 9. Bb2 Rd8 10. Nb5 dxc4
1905 It (Men) St Petersburg RUS – Round 3 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Tarrasch, Siegbert – G3 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Rc1 cxd4
1905 Ostende – Round 22 – Janowsky, D. – 1-0 – Marshall Viele, Fabrizio Aaron – G64 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nc6 5. Nc3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. b3 Nb4 9. Bb1 b6 10. Ne5 dxc4
1905 Parijs m – Round 2 – Janowsky, D. – 0-1 – Marshall Viele, Fabrizio Aaron – G3 1. d4 e6 2. c4 d5 3. Nc3 c5 4. e3 Nc6 5. Nf3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. Bd2 b6 9. Rc1 Nb4 10. Be2 Ne4
1906 BCF Ch 3rd – Round 8 – Wainwright George Edward – 0-1 – Atkins, Henry Ernest – G12 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nc6 5. Nf3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. cxd5 exd5
1906 DSB-15.Kongress – Round 2 – Salwe, Georg – 1-0 – Tarrasch, Siegbert – G8 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. b3 b6 10. Bb2 Bb7
1906 DSB-15.Kongress – Round 4 – Salwe, Georg H S – 0-1 – Forgacs, Leo – G19 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. Nc3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. b3 b6 10. Bb2 Bb7
1907 Ostende – Round 3 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Tarrasch, Siegbert – G27 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qe7
1910 DSB-17.Kongress – Round 12 – Salwe, George – 0-1 – Spielmann, Rudolf – G75 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. dxc5 Bxc5 9. a3 Bd6 10. cxd5 exd5
1910 DSB-17.Kongress – Round 6 – Tarrasch, Siegbert – 0-1 – Nimzowitsch, Aron – G36 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 dxc4
1911 Karlsbad – Round 1 – Leonhardt, Paul – 1-0 – Kostic, Boris – G37 1. d4 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nc6 5. e3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. Rd1 Rd8 10. b3 b6
1911 Karlsbad – Round 1 – Leonhardt, Paul – 1/2-1/2 – Perlis, Julius – G40 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 b6 9. Rd1 cxd4 10. exd4 Nb4
1911 Karlsbad – Round 1 – Salwe, George – 1/2-1/2 – Leonhardt, Paul – G39 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. a3 Rd8 10. Rd1 Bd7
1911 Karlsbad – Round 1 – Vidmar, Milan Sr – 1/2-1/2 – Perlis, Julius – G56 1. d4 d5 2. Nf3 c5 3. c4 e6 4. e3 Nf6 5. Bd3 Bd6 6. O-O O-O 7. Nc3 Nc6 8. a3 dxc4 9. Bxc4 a6 10. Qe2 Qe7
1911 New York USA – Round 1 – Morris Wambui – 0-1 – Johner, Paul – G2 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. a3 b6 9. dxc5 bxc5 10. cxd5 exd5
1913 New York National – Round 13 – Tennenwurzel, Edward – 0-1 – Janowski, Dawid – G51 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 e6 5. Nc3 Bd6 6. Bd3 O-O 7. O-O Nc6 8. a3 Qe7 9. dxc5 Bxc5 10. b4 Bd6
1918 New York – Round 1 – Janowski, Dawid – 1/2-1/2 – Kostic, Boris – G3 1. d4 d5 2. Nf3 c5 3. c4 e6 4. e3 Nf6 5. Bd3 Nc6 6. O-O Bd6 7. Nc3 O-O 8. b3 b6 9. Bb2 cxd4 10. exd4 dxc4
1919 Hastings Minor – Round 10 – Price, Harold Edwin – 0-1 – Sergeant, Edward – G12 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. a3 b6 9. dxc5 bxc5 10. Re1 Ne5
1920 BCF Ch 13th – Round 5 – Middleton, Edward Empson jnr – 0-1 – Sergeant, Edward – G8 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 b6 9. Rd1 Qe7 10. cxd5 exd5
1922 London ENG – Round 4 – Guillen Watson, Cesar Augusto – 0-1 – Vidmar, Marjeta – G1 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 e6 5. Nc3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. b3 Qe7 9. Nb5 dxc4 10. bxc4 cxd4
1923 USA-09.Kongress – Round 5 – Janowski, Dawid – 1-0 – Morrison, John Stuart – G7 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Bd3 Nc6 6. O-O Bd6 7. Nc3 O-O 8. b3 b6 9. Bb2 cxd4 10. exd4 Bb7
1928 The Hague ol (Men) – Round 1.2 – Jacobson, Ernst – 1-0 – Kroone, Gerard – G12 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c4 e6 5. Nc3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. b3 cxd4 9. exd4 Bd7 10. c5 Bb8
1936 Munich ol (Men) – Round 2 – Anglares, Emille – 0-1 – Michel, Paul – G2 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Rc1 Nb4
1939 Buenos Aires ol prel-B – Round 1 – Baender, Paul – 1/2-1/2 – Michel, Pascal – G1 1. c4 e6 2. Nc3 d5 3. d4 c5 4. Nf3 Nc6 5. e3 Nf6 6. Bd3 Bd6 7. O-O O-O 8. a3 a6 9. dxc5 Bxc5 10. b4 Bd6
1951 Hungary Ch – Round 1 – Borloy, Karoly – 1/2-1/2 – Florian, Tibor – G51 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. e3 c5 5. Nc3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. dxc5 Bxc5 9. a3 Qe7 10. b4 Bb6
1954 Prague zt Prague CZE – Round 14 – Barcza, Gedeon – 1/2-1/2 – Kluger, Gyula – G49 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. dxc5 Bxc5 9. a3 dxc4 10. Bxc4 Qxd1

D40h — Semi-Tarrasch Symmetrical Variation

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.Bd3 Bd6 7.O-O O-O

Les coups candidats

8.b3 — 38.9% (63 parties)

Ambassadeurs : Marshall Viele, Fabrizio Aaron (3x), Tarrasch, Siegbert (3x), Wallace, Albert E N (2x), Nimzowitsch, Aron (2x), Janowski, Dawid (2x), Gruenfeld, Ernst (2x), Vajda, Arpad (1x), Sawyer, Joseph (1x)

8.a3 — 29.6% (48 parties)

Ambassadeurs : Tennenwurzel, Edward (2x), Williams, Elijah J (1x), Kennedy, Hugh A (1x), Baender, Paul (1x), Michel, Pascal (1x), Bodstrup Christoffersen, Jens Emil (1x), Harksen (1x), Gargulak Metodej (1x)

8.Qe2 — 8.0% (13 parties)

Ambassadeurs : Leonhardt, Paul (3x), Salwe, George (2x), Kostic, Boris (1x), Perlis, Julius (1x), Middleton, Edward Empson jnr (1x), Sergeant, Edward (1x), Tennenwurzel, Edward (1x), Bernstein, Jacob (1x)

8.dxc5 — 6.8% (11 parties)

Ambassadeurs : Burn, Amos (2x), Salwe, George (2x), Berger, Johann (1x), Berger, Jacob (1x), Steiner, Bernat (1x), Mueller, Nandor (1x), Nimzowitsch, Aaron (1x), Spielmann, Rudolf (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.b3	8.a3	8.Qe2	8.dxc5
<1800	10	20%	20%	—	10%
1800-2200	38	45%	42%	—	—
2200-2600	12	50%	42%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.b3	8.a3	8.Qe2	8.dxc5
1840s	1	—	100%	—	—
1900s	14	43%	14%	14%	21%
1910s	20	15%	35%	35%	10%
1920s	14	79%	14%	7%	—
1930s	3	33%	67%	—	—
1940s	2	50%	—	50%	—
1950s	2	—	—	—	100%
1960s	2	50%	—	50%	—
1970s	2	50%	50%	—	—
1980s	4	50%	25%	—	—
1990s	15	27%	33%	—	7%
2000s	40	50%	20%	—	—
2010s	40	30%	45%	2%	8%
2020s	3	33%	33%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.b3	30%	33%	▲ +3.3%
8.a3	45%	33%	▼ -11.7%
8.Qe2	2%	0%	▼ -2.5%
8.dxc5	8%	0%	▼ -7.5%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 1 partie

Parties historiques

8.b3 — 38.9% (63 parties)

1902 — Bleykmans, Dirk vs Loman, Rudolf — 0-1 — Hannover GER
1904 — Sawyer, Joseph vs Jacobs, CS. — 1-0 — Montreal CAN
1905 — Marshall Viele, Fabrizio Aaron vs Tarrasch, Siegbert — 1/2-1/2 — Nuerenberg GER
1905 — Janowsky, D. vs Marshall Viele, Fabrizio Aaron — 1-0 — Ostende
1906 — Wainwright George Edward vs Atkins, Henry Ernest — 0-1 — Shrewsbury

8.a3 — 29.6% (48 parties)

1846 — Williams, Elijah J vs Kennedy, Hugh A — 0-1 — London ENG
1906 — Salwe, Georg vs Spielmann, Rudolf — 1/2-1/2 — Ostend
1909 — Gargulak Metodej vs Brach, Julius — 0-1 — Brno CZE
1910 — Salwe, Georg H S vs Rotlewi, Georg — 1/2-1/2 — Lodz m Lodz POL
1911 — Morris Wambui vs Johner, Paul — 0-1 — New York, NY USA

8.Qe2 — 8.0% (13 parties)

1906 — Salwe, Georg H S vs Forgacs, Leo — 0-1 — Nuerenberg GER
1906 — Salwe, Georg vs Tarrasch, Siegbert — 1-0 — Nuerenberg GER
1911 — Leonhardt, Paul vs Kostic, Boris — 1-0 — Carlsbad CZE
1911 — Salwe, George vs Leonhardt, Paul — 1/2-1/2 — Carlsbad CZE
1911 — Leonhardt, Paul vs Perlis, Julius — 1/2-1/2 — Carlsbad CZE

8.dxc5 — 6.8% (11 parties)

1900 — Berger, Johann vs Burn, Amos — 0-1 — Munich Kongress
1900 — Berger, Jacob vs Burn, Amos — 0-1 — Munich GER
1906 — Steiner, Bernat vs Mueller, Nandor — 0-1 — Gyor
1910 — Salwe, George vs Nimzowitsch, Aaron — 1-0 — Hamburg GER
1910 — Salwe, George vs Spielmann, Rudolf — 0-1 — Hamburg GER

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