D41n — QGD: Semi-Tarrasch, 6.e4, Main Line

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte e5, case forte g5, Bc4 actif, colonne b.
Faiblesses adverses : Bc8 enfermé.
Problèmes : isolé a2.
Plans :
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (2v1), colonne d.
Faiblesses adverses : isolé a2.
Problèmes : Bc8 enfermé.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Na5 — Attaquer Bc4
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture
● ...f6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D41n — Semi-Tarrasch Main Line

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 cxd4 8.cxd4 Bb4+ 9.Bd2 Bxd2+ 10.Qxd2 O-O 11.Bc4 Nc6 12.O-O

Eval: [+0.51]

Les coups candidats

12…b6 — 78.3% (731 parties) →

Ambassadeurs : Golod, Vitali (14x), Daurelle, Herve (7x), Andrijevic, Milan (7x), Martello, Juan (7x), Taylor, Gordon (6x), Gonschior, Manfred (6x), Beckett, Phillip J (6x), Polugaevsky, Lev (5x)

12…Na5 — 6.6% (62 parties)

Ambassadeurs : Uhoda, Philippe (2x), Alekhine, Alexander (1x), Roedl, Ludwig (1x), Kotlerman (1x), Kirilov, Valentins (1x), Palme, Rudolf (1x), Canal, Esteban (1x), Fuderer, Andrija (1x)

12…Qd6 — 6.6% (62 parties)

Ambassadeurs : Kelecevic, Nedeljko (4x), Kuligowski, Adam (2x), Adorjan, Andras (2x), Portisch, Lajos (2x), Polugaevsky, Lev (2x), Pyhala, Antti (2x), Korchnoi, Viktor (2x), Browne, Walter Shawn (2x)

12…Qa5 — 1.8% (17 parties)

Ambassadeurs : Letelier Martner, Rene (2x), Bulgarini Torre, Marco (2x), Castillo Larenas, Mariano (1x), Mortlock, A. (1x), Watson, GH. (1x), Maher, Vincent (1x), Hort, Vlastimil (1x), Platonov, Igor V (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…b6	12…Na5	12…Qd6	12…Qa5
<1800	10	60%	30%	—	10%
1800-2200	203	74%	12%	5%	2%
2200-2600	446	81%	5%	8%	1%
2600+	41	78%	2%	10%	—

Évolution par décennie (% des parties)

Décennie	N parties	12…b6	12…Na5	12…Qd6	12…Qa5
1910s	1	—	—	—	—
1920s	1	100%	—	—	—
1930s	15	67%	13%	—	—
1940s	12	67%	8%	—	17%
1950s	19	79%	16%	—	5%
1960s	24	96%	4%	—	—
1970s	46	67%	—	24%	2%
1980s	79	75%	3%	16%	—
1990s	163	81%	1%	9%	1%
2000s	291	80%	6%	4%	2%
2010s	238	77%	13%	5%	1%
2020s	45	78%	7%	4%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…b6	77%	78%	+0.5%
12…Na5	13%	7%	▼ -6.8%
12…Qd6	5%	4%	-0.2%
12…Qa5	1%	4%	▲ +3.2%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties
Alekhine, Alexander — 4 parties
Karpov, Anatoly — 3 parties
Karpov, Aleksandr — 2 parties
Euwe, Max — 1 partie

Parties historiques

12…b6 — 78.3% (731 parties)

1924 — Teichmann, Richard vs Rubinstein, Akiba — 1/2-1/2 — Berlin GER
1935 — Ribera Arnal, Angel vs Cherta, Pedro — 0-1 — Barcelona ESP
1937 — Reshevsky, Samuel vs Fine, Richard Alvaro Adrien — 1/2-1/2 — Hastings ENG
1937 — Fogelevich, Fedor Lvovich vs Yudovich, Mikhail M — 0-1 — Moscow RUS
1937 — Alekhine, Alexander vs Euwe, Max — 1/2-1/2 — Den Haag wch-m

12…Na5 — 6.6% (62 parties)

1936 — Alekhine, Alexander vs Roedl, Ludwig — 1/2-1/2 — Dresden GER
1939 — Kotlerman vs Kirilov, Valentins — 1/2-1/2 — Dniepropetrovsk ch-U
1948 — Palme, Rudolf vs Canal, Esteban — 0-1 — Bad Gastein
1953 — Fuderer, Andrija vs Mueller, Hans — 1/2-1/2 — Saarbruecken
1954 — Corral, Hector vs Bernstein, Olivia — 1/2-1/2 — Montevideo URU

12…Qd6 — 6.6% (62 parties)

1973 — Portisch, Lajos vs Polugaevsky, Lev — 1/2-1/2 — Portoroz SLO
1973 — Portisch, Lajos vs Polugaevsky, Lev — 1/2-1/2 — Portoroz SLO
1975 — Antich Gil, Arix vs Collett, Jason S — 1/2-1/2 — cr.
1975 — Lombardy, William J vs Commons, Kim S — 1-0 — Oberlin, OH USA
1976 — Bolte, Diedrich vs Collett, John — 1/2-1/2 — ICCF

12…Qa5 — 1.8% (17 parties)

1945 — Letelier Martner, Rene vs Castillo Larenas, Mariano — 0-1 — Vina del Mar CHI
1946 — Mortlock, A. vs Watson, GH. — 0-1 — cr.
1956 — Letelier Martner, Rene vs Maher, Vincent — 1/2-1/2 — Moscow RUS
1970 — Hort, Vlastimil vs Platonov, Igor V — 1-0 — Wijk aan Zee NED
1996 — Green, Paul M vs Shikhman, Arthur — 1/2-1/2 — corr IECC Trio

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● a2	—
Arriérés	—	—
Chaînes	—	● f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1), ● g5 (2v1)	—
Cases faibles	● d4	—
Centre	● e5 (2v1)	—

Colonnes et diagonales

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

Pièces

	♔ Blancs	♚ Noirs
Bc4	● Bc4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	Non	Non
Non développées	1 (a1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e4-e5	● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1936 Dresden – Round 8 – Alekhine, Alexander – 1/2-1/2 – Roedl, Ludwig – G37 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1937 Prague – Round 9 – Trifunovic, Petar – 1/2-1/2 – Gilg, Karl – G49 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1939 Buenos Aires ol prel-B – Round 6 – Rotunno, Ernesto – 0-1 – Alekhine, Alexander – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1939 olm Buenos Aires – Round ? – Rotunno, Ernesto – 0-1 – Alekhine, Alexander – G6 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1945 Vina del Mar – Round 15 – Letelier Martner, Rene – 0-1 – Castillo Larenas, Mariano – G53 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1946 Zagreb ch YUG – Round 18 – Bidev, Pavle – 1/2-1/2 – Rabar, Braslav – G25 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1948 Bad Gastein – Round 15 – Palme, Rudolf – 0-1 – Canal, Esteban – G109 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1954 Montevideo – Round 12 – Corral, Hector – 1/2-1/2 – Bernstein, Olivia – G92 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1954 Munich zt – Round 12 – Castaldi, Vincenzo – 1/2-1/2 – Dunkelblum, Arthur – G73 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1956 Moscow olm prel – Round 9 – Letelier Martner, Rene – 1/2-1/2 – Maher, Vincent – G273 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1969 Budapest ch-HUN – Round 1 – Flesch, Jean-benoit – 1-0 – Cs. Kovacs, Laszlo – G37 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
Amsterdam 1981 – Round 1 – Timman, Jan H – 1/2-1/2 – Hort, Vlastimil – G10 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Nc6 9. Bc4 Bb4+ 10. Bd2 Bxd2+
Candidats qf1 1977 – Round 4 – Petrosian, Tigran V. – 1/2-1/2 – Korchnoi, Viktor – G3 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
Portoroz playoff 1973 – Round 4 – Portisch, Lajos – 1/2-1/2 – Polugaevsky, Lev – G9 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. d4 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
World Cup 1989 – Round 1 – Seirawan, Yasser – 1-0 – Korchnoi, Viktor – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
World Cup 1989 – Round 7 – Seirawan, Yasser – 1-0 – Korchnoi, Viktor – G58 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →