A33d — English: Symmetrical, Two Knights, 5.Nc3 Nc6 6.e3

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.e3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, case forte b5, paire de fous, colonne d.
Faiblesses adverses : arriéré d7, Bc8 enfermé, Bf8 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
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte b4, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré d7, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Be7 — Développer Bf8
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A33d — Symmetrical Two Knights

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Nc6 6.e3

Eval: [+0.08]

Les coups candidats

6…Bb4 — 40.2% (270 parties)

Ambassadeurs : Matulovic, Milan (2x), Platonov, Igor V (2x), Suetin, Alexey S (2x), Kornilovich, Vitaly (2x), Aronin, Lev (1x), Kan, Ilya A (1x), Morozkov, Artemiy (1x), Ilyin Zhenevsky, Alexander (1x)

6…Be7 — 23.1% (155 parties)

Ambassadeurs : Peschel, Andreas (2x), Maiwald, Jens-Uwe (2x), Shankland, Sam (2x), Bluemich, Max (1x), Fajarowicz, Sammi (1x), Bannik, Anatolij (1x), Kholmov, Ratmir D (1x), Petrosjan (1x)

6…d5 — 19.1% (128 parties)

Ambassadeurs : Petrosian, Tigran V. (2x), Parma, Bruno (2x), Lerner, Konstantin Z (2x), Berndt, Klaus (2x), Alekhine, Alexander (1x), Deutsch Edelheim Schroeder (1x), Uhlmann, Wolfgang (1x), Gligorić, Svetozar (1x)

6…a6 — 10.0% (67 parties)

Ambassadeurs : Herzog, Franz (2x), Grillitsch, Karl (2x), Lendwai, Reinhard (2x), Eisinger, Max Jr (1x), Eisinger Max (1x), Zamikhovsky, Abram (1x), Tokarev, Aleksandr (1x), Gianordoli Cesar (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Bb4	6…Be7	6…d5	6…a6
<1800	31	29%	32%	10%	19%
1800-2200	202	41%	25%	16%	11%
2200-2600	256	42%	22%	23%	6%
2600+	19	21%	16%	58%	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Bb4	6…Be7	6…d5	6…a6
1920s	1	—	—	100%	—
1930s	2	50%	50%	—	—
1940s	3	33%	—	—	67%
1950s	16	69%	12%	19%	—
1960s	29	41%	21%	28%	7%
1970s	37	35%	19%	32%	8%
1980s	27	48%	30%	15%	7%
1990s	107	30%	25%	20%	14%
2000s	184	38%	26%	15%	12%
2010s	211	43%	22%	18%	9%
2020s	54	50%	19%	26%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Bb4	43%	50%	▲ +7.3%
6…Be7	22%	19%	▼ -3.3%
6…d5	18%	26%	▲ +8.4%
6…a6	9%	4%	▼ -5.3%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 2 parties
Ju, Wenjun — 2 parties
Alekhine, Alexander — 1 partie
Karpov, Anatoly — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie

Parties historiques

6…Bb4 — 40.2% (270 parties)

1931 — Morozkov, Artemiy vs Ilyin Zhenevsky, Alexander — 0-1 — Moscow RUS
1947 — Aronin, Lev vs Kan, Ilya A — 0-1 — Moscow RUS
1952 — Plater, Kazimierz vs Balanel, Ion — 1/2-1/2 — Miedzyzdroje
1954 — Wade, Robert G vs Milic, Borislav — 1/2-1/2 — Belgrade SRB
1954 — Porrecca, Giorgio vs Barcza, Gedeon — 0-1 — Belgrade SRB

6…Be7 — 23.1% (155 parties)

1930 — Bluemich, Max vs Fajarowicz, Sammi — 1-0 — Leipzig GER
1956 — Bannik, Anatolij vs Kholmov, Ratmir D — 0-1 — Leningrad ch-URS
1957 — Troger, Emma vs Schuster, Ailleann — 1-0 — Bad Neuenahr GER
1960 — Paidousis, Aristidis vs Kchouk, Bechir — 1/2-1/2 — Leipzig GER
1965 — Balcerowski, Witold vs Buslaev, Aleksander — 0-1 — Tbilisi Tbilisi GEO

6…d5 — 19.1% (128 parties)

1922 — Alekhine, Alexander vs Deutsch Edelheim Schroeder — 1-0 — Berlin GER
1953 — Wade, Robert G vs Barden, Leonard — 1/2-1/2 — Hastings ch-BCF
1956 — Vaitonis, Povilas vs Sherwin, James T — 0-1 — Montreal CAN
1957 — Blagidze, Alexander vs Vasiukov, Evgeni — 1/2-1/2 — Kiev UKR
1963 — Keene, Raymond D vs Michael John Basman — 1-0 — Bognor

6…a6 — 10.0% (67 parties)

1947 — Herzog, Franz vs Eisinger, Max Jr — 0-1 — Riedenburg
1947 — Herzog, Franz vs Eisinger Max — 0-1 — ?
1961 — Gianordoli Cesar vs Ribeiro Sabino — 0-1 — Vitoria
1963 — Zamikhovsky, Abram vs Tokarev, Aleksandr — 1/2-1/2 — Kiev UKR
1975 — Balcerowski, Witold vs Pytel, Krzysztof — 1-0 — Augustow Tch-POL

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d7
Chaînes	● f2→e3	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● b5 (3v0)	● b4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (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	semi-ouvert
Ruptures	● c4-c5, ● e3-e4, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1947 Moscow Ch – Round 1 – Aronin, Lev – 0-1 – Kan, Ilya A – G1 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 Bb4 7. Bd2 O-O 8. Be2 d5 9. cxd5 Nxd4 10. exd4 exd5
1952 Miedzyzdroje – Round 7 – Plater, Kazimierz – 1/2-1/2 – Balanel, Ion – G39 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Bb4 7. Bd2 O-O 8. Be2 b6 9. Nxc6 dxc6 10. Bf3 Qd7
1954 Belgrade – Round 10 – Wade, Robert G – 1/2-1/2 – Milic, Borislav – G85 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 Bb4 7. Nxc6 bxc6 8. Bd2 O-O 9. Be2 Rb8 10. O-O d5
1954 Belgrade – Round 4 – Porrecca, Giorgio – 0-1 – Barcza, Gedeon – G51 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Bb4 7. Qb3 Bc5 8. Nf3 O-O 9. Be2 b6 10. O-O Bb7
1954 New York – Round 2 – Pavey, Max – 0-1 – Keres, Paul – G10 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Bb4 7. Qc2 d5 8. Nxc6 bxc6 9. Bd2 O-O 10. Be2 e5
1956 Leningrad ch-URS – Round 1 – Bannik, Anatolij – 0-1 – Kholmov, Ratmir D – G5 1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Be7 7. Be2 O-O 8. O-O d5 9. cxd5 Nxd5 10. Nxd5 exd5
1956 URS Ch sf – Round ? – Rovner, Dmitry – 1/2-1/2 – Kotov, Alexander. – G36 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Nc6 6. e3 Bb4 7. Bd2 O-O 8. Be2 Nxd4 9. exd4 d5 10. cxd5 Bxc3
1957 Danmarksmesterskabet – Round 4 – Blom, Kaj – 1/2-1/2 – Andersen, Borge – G14 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. e3 Bb4 7. Bd2 O-O 8. Be2 Nxd4 9. exd4 d5 10. cxd5 exd5
1957 Minsk zt – Round 12 – Roizman, Abram Y – 1/2-1/2 – Suetin, Alexey S – G79 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Bb4 7. Be2 Ne4 8. Qc2 Qa5 9. Qxe4 Bxc3+ 10. Kf1 Bxd4
1957 Minsk zt – Round 16 – Zilber, Israel – 0-1 – Suetin, Alexey S – G116 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Bb4 7. Nb5 O-O 8. a3 Be7 9. Be2 d5 10. O-O dxc4
1958 UKR Ch – Round 1 – Zamikhovsky, Abram – 0-1 – Platonov, Igor V – G2 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 Bb4 7. Qc2 O-O 8. a3 Nxd4 9. exd4 Be7 10. Bd3 b6
1959 Alekhine Memorial – Round 9 – Ezzat Philip, Maxim – 1/2-1/2 – Vasiukov, Evgeni – G46 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 Bb4 7. Nb5 O-O 8. a3 Be7 9. Be2 d5 10. cxd5 exd5
1960 Mar del Plata – Round 7 – Letelier Martner, Rene – 1-0 – Redolfi, Argentino Rodolfo – G61 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Bb4 7. Bd2 O-O 8. a3 Be7 9. Be2 b6 10. Nf3 Bb7
1961 Buenos Aires CA – Round 5 – Alcaraz Suarez, Juan Camilo – 1/2-1/2 – Filip, Miroslav – G11 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Nc6 6. e3 Bb4 7. Bd2 O-O 8. Be2 d5 9. cxd5 exd5 10. Nxc6 bxc6
1963 UKR Ch – Round 11 – Zamikhovsky, Abram – 1/2-1/2 – Tokarev, Aleksandr – G71 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 a6 7. Be2 Be7 8. O-O O-O 9. b3 Qc7 10. Bb2 d6
1964 Kecskemet zt – Round 1 – Prameshuber, Alexander – 0-1 – Pachman, Ludek – G87 1. Nf3 Nf6 2. d4 e6 3. c4 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. e3 Bb4 7. Bd2 O-O 8. Be2 d5 9. cxd5 exd5 10. Nxc6 bxc6
1964 Tel Aviv olm prel – Round 4 – Prameshuber, Alexander – 0-1 – Langeweg, Kick – G139 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e6 5. Nc3 Nc6 6. e3 Bb4 7. Bd2 Bc5 8. Nb3 Be7 9. Be2 O-O 10. O-O d5
1965 Copenhagen – Round 10 – Taimanov, Mark E – 1/2-1/2 – Suetin, Alexey S – G89 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. e3 d5 7. Be2 Bc5 8. O-O Bxd4 9. exd4 dxc4 10. Bxc4 O-O
1965 Novi Sad – Round 1 – Bertok, Mario Jr. – 1/2-1/2 – ? – G1 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. e3 d5 7. cxd5 Nxd5 8. Nxc6 bxc6 9. Be2 Nxc3 10. Qxd8+ Kxd8
1965 Tbilisi Tbilisi GEO – Round 1 – Balcerowski, Witold – 0-1 – Buslaev, Aleksander – G17 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. e3 Be7 7. Be2 O-O 8. O-O d5 9. cxd5 Nxd4 10. Qxd4 Nxd5
1966 Sochi Chigorin Memorial 04th – Round 5 – Sergievsky, Vladimir D – 1/2-1/2 – Matulovic, Milan – G23 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 Bb4 7. Nb5 O-O 8. a3 Bxc3+ 9. Nxc3 d5 10. Be2 dxc4
1966 World Championship 26th – Round 8 – Petrosian, Tigran V – 1/2-1/2 – Spassky, Boris Vasily – G7 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Be7 7. Be2 O-O 8. O-O d6 9. b3 a6 10. Bb2 Bd7
1968 Alma Ata ch-URS – Round 18 – Platonov, Igor V – 1/2-1/2 – Osnos, Vyacheslav – G151 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. e3 Bb4 7. Bd2 O-O 8. a3 Be7 9. Be2 d5 10. cxd5 exd5
1968 Golden Knights – Round ? – Feuchter, C – 0-1 – Zalys, Ignas – G2 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. e3 Bb4 7. Bd2 Nxd4 8. exd4 b6 9. Bd3 Bb7 10. O-O O-O
1969 Steinheim ch OWL – Round 10 – Werner, Stephan – 1/2-1/2 – Groenegress, Wilfried – G10 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Be7 7. Be2 O-O 8. O-O Nxd4 9. Qxd4 d5 10. Rd1 dxc4
1972 Skopje ol (Men) fin-A – Round 11 – Debarnot, Roberto – 1/2-1/2 – Ungureanu, Emil – G129 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. e3 Nc6 6. Nc3 Bb4 7. Be2 O-O 8. O-O d5 9. cxd5 exd5 10. Ncb5 Ne5
40. Olympiad Open 2012 – Round 4.12 – Kurajica, Bojan – 1-0 – Ivanisevic, Ivan – G228 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 d5 7. Be2 Bd6 8. O-O O-O 9. b3 Re8 10. Bb2 Ne5
FIDE World Cup 2019 – Round 1.4 – Nakamura, Hikaru – 1-0 – Bellahcene, Bilel – G172 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 d5 7. cxd5 exd5 8. Bb5 Bd7 9. O-O Bd6 10. Nf3 Be6
IBM 1978 – Round 2 – Andersson, Ulf 1949 – 1/2-1/2 – Ljubojevic, Ljubomir – G7 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Be7 7. Be2 O-O 8. O-O d5 9. b3 Nxd4 10. Qxd4 dxc4
Saint Louis Rapid 2022 – Round 2.5 – Shankland, Sam – 1/2-1/2 – Dominguez Perez, Leinier – G10 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 Be7 7. Be2 O-O 8. O-O d5 9. cxd5 Nxd4 10. exd4 Nxd5
World Blitz 2015 – Round 9.29 – Bogdanovich, Saveliy Vl – 1-0 – Belov, Vladimir – G547 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nc6 6. e3 d5 7. cxd5 exd5 8. Be2 Bc5 9. O-O O-O 10. h3 Re8
World Cup 1989 – Round 11 – Korchnoi, Viktor – 1/2-1/2 – Karpov, Anatoly – G67 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e3 d5 7. cxd5 exd5 8. Bb5 Bd7 9. Nde2 Be6 10. Nd4 Rc8
World Rapid 2019 – Round 11.7 – Andreikin, Dmitry – 1/2-1/2 – Nepomniachtchi, Ian – G742 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. e3 Be7 7. Be2 O-O 8. O-O b6 9. b3 Bb7 10. Bb2 Rc8

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →