Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v1), ● b5 (2v0)	● c5 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0)	● d5 (2v1), ● e4 (1v0), ● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
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	5 (● b1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● 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	mobile
Ruptures	—	● …d7-d5

A32h — English: Symmetrical, Two Knights, 5.g3 Qc7

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Qc7 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nc3 (Développer b1 — 40 % des parties) ; Nd2 (Développer b1 — 33 % des parties) ; b3 (Préparer le fianchetto — 11 % des parties) ; Bg2 (Fianchetto, fou sur la grande diagonale — 6 % des parties) ; Qd3 (Centraliser la dame, Prépare O-O-O — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...a6 (Préparer expansion aile dame — 52 % des parties) ; ...Nc6 (Développer b8 — 16 % des parties) ; ...Bb4 (Fou actif (mobilité 9), Développer f8 — 10 % des parties) ; ...Bb4+ (Fou actif (mobilité 9), Développer f8 — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1945 Prague Prague CZE – Round 3 – Opocensky, Karel – 1-0 – Pachman, Ludek – G5 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Bg2 Bb4+ 7. Nc3 Qxc4 8. O-O O-O 9. Bg5 Bxc3 10. bxc3 Nd5
1951 YUG Ch 7th – Round 13 – Udovcic, Mijo – 1/2-1/2 – Trifunovic, Petar – G105 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nd2 b6 7. Bg2 Bb7 8. Nb5 Qc8 9. e4 a6 10. Nc3 Be7
1954 URS Team Ch – Round 11 – Khalilbeili, Sultan – 1/2-1/2 – Sidorov, Anatoly – G196 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nd2 d5 7. Bg2 Nc6 8. Nb5 Qb6 9. O-O Be7 10. cxd5 exd5
1959 Kragujevac ch14-YUG – Round 1 – Trifunovic, Petar – 1-0 – Ugrinovic, Dragan – G32 1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. g3 cxd4 5. Nxd4 Qc7 6. Nd2 Nc6 7. Nb5 Qa5 8. Bg2 d5 9. O-O a6 10. Nc3 Ne7
1963 Rubinstein Memorial – Round 15 – Czerniak, Moshe – 1/2-1/2 – Matulovic, M. – G94 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e6 5. g3 Qc7 6. Qa4 Bc5 7. Nb3 b6 8. Bf4 e5 9. Bg2 Bb7 10. Bxe5 Bxf2+
1966 La Habana olm fin-B – Round 8 – Bachtiar, Arovah – 1/2-1/2 – Ojanen, Kaarle S – G111 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. g3 Qc7 6. Nd2 a6 7. Bg2 Bc5 8. e3 O-O 9. O-O Rd8 10. Qe2 d5
42. Olympiad 2016 – Round 10.19 – Fridman, Daniel – 0-1 – Dzhumaev, Marat – G704 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. g3 cxd4 5. Nxd4 Qc7 6. b3 Bb4+ 7. Bd2 Bc5 8. e3 Nc6 9. Bc3 e5 10. Nc2 h5
44. GM 2016 – Round 7.1 – Ponomariov, Ruslan – 1/2-1/2 – Caruana, Fabiano – G25 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Bg2 Qxc4 8. O-O Nc6 9. Nb3 d5 10. Bf4 Be7
Amber Blindfold 2006 – Round 9 – Nielsen, Peter Heine – 1/2-1/2 – Anand, Viswanathan – G34 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nc3 Bb4 7. Qb3 Bc5 8. Be3 a6 9. Na4 d6 10. Nxc5 dxc5
Amber-rapid 15th 2006 – Round 7 – Gelfand, Boris – 0-1 – Van Wely, Loek – G9 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 e6 5. g3 Qc7 6. Nc3 Bb4 7. Bg2 Qxc4 8. O-O Nc6 9. Ndb5 O-O 10. Bf4 Bxc3
Amber-rapid 7th 1998 – Round 10 – Karpov, Anatoly – 1-0 – Van Wely, Loek – G44 1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. g3 cxd4 5. Nxd4 Qc7 6. b3 Bb4+ 7. Bd2 Bc5 8. Bc3 Ne4 9. Bg2 Nxc3 10. Nxc3 Qe5
Biel Interzonal 1985 – Round 1 – Li, Zunian – 1/2-1/2 – Ljubojevic, Ljubomir – G2 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Qd3 Nc6 8. b3 Bc5 9. Nxc6 Qxc6 10. Qf3 Bd4
Botvinnik Mem Blitz Match 2001 – Round 8 – Kasparov, Garry – 1-0 – Kramnik, Vladimir – G8 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Bg2 Qxc4 8. O-O Nc6 9. Nb3 d5 10. Bf4 Qb4
Buenos Aires 1980 – Round 12 – Olafsson, Fridrik – 1-0 – Karpov, Anatoly – G36 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Qd3 a6 7. Bg2 Nc6 8. Nxc6 dxc6 9. O-O Be7 10. Qb3 e5
FIDE GP 2002 – Round 2.2 – Lautier, Joel – 0-1 – Leko, Peter – G42 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. g3 Qc7 6. Nc3 a6 7. Bg2 Qxc4 8. O-O Qc7 9. e4 d6 10. Be3 Be7
Hoogovens 1987 – Round 1 – Flear, Glenn C – 0-1 – Ljubojevic, Ljubomir – G7 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Qd3 Nc6 8. Nxc6 Qxc6 9. e4 b6 10. Bg2 Bb7
Melody Amber, Blindfold, Monaco 1995 – Round 1 – Lautier, Joel – 0-1 – Ljubojevic, Ljubomir – G2 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Bg2 Qxc4 8. Bg5 Nc6 9. Nb3 Bb4 10. O-O Bxc3
Phillips&Drew 1980 – Round 4 – Sosonko, Gennadi – 1/2-1/2 – Korchnoi, Viktor – G10 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Bg2 Be7 8. Qd3 Nc6 9. b3 O-O 10. O-O d6
Rapid Match 2008 – Round 6 – Carlsen, Magnus – 1/2-1/2 – Leko, Peter – G5 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Bg2 Qxc4 8. O-O Nc6 9. Nb3 d5 10. Bf4 Be7
Sparkassen GM 2007 – Round 1 – Gelfand, Boris – 1/2-1/2 – Alekseev, Evgeny – G2 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Bg2 Qxc4 8. O-O Nc6 9. Nb3 d5 10. Bf4 Be7
SportAccord Blitz 2014 – Round 18.5 – Wang, Yue(SH) – 0-1 – Ivanchuk, Vasyl – G140 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Bg2 Qxc4 7. O-O Nc6 8. Nc2 Be7 9. Nc3 O-O 10. Bf4 d5
Superbet Rapid & Blitz Poland 2025 – Round 8 – Vladimir Fedoseev – 1/2-1/2 – Aronian Levon – G37 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. Nc3 a6 7. Bg5 Bb4 8. Bg2 Bxc3+ 9. bxc3 Qxc4 10. O-O d5
Thessaloniki olm 1988 – Round 2 – Karpov, Anatoly – 1/2-1/2 – Mascarinas, Rico – G12 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Qc7 6. b3 Bb4+ 7. Bd2 Bc5 8. Bc3 Ne4 9. Bg2 Nxc3 10. Nxc3 Qe5
World Rapid 2016 – Round 12.25 – Vallejo Pons, Francisco – 1/2-1/2 – Zhigalko, Sergei – G456 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Qc7 6. b3 Bb4+ 7. Bd2 Bc5 8. e3 Nc6 9. Bc3 d5 10. Nxc6 bxc6

A32h — Symmetrical, Two Knights (1945)

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Qc7

Les coups candidats

6.Nc3 — 38.0% (343 parties)

Ambassadeurs : Sosonko, Gennadi (6x), Ljubojevic, Ljubomir (5x), Nielsen, Peter Heine (5x), Quinteros, Miguel A. (4x), Psakhis, Lev (4x), Alekseev, Evgeny (4x), Flear, Glenn C (3x), Rashkovsky, Nukhim N (3x)

6.Nd2 — 25.0% (226 parties)

Ambassadeurs : Rashkovsky, Nukhim N (9x), Nogueiras Santiago, Jesus (4x), Gurevich, Dmitry (3x), Haba, Petr (3x), Hracek, Zbynek (3x), Tukmakov, Vladimir B (3x), Adeyemi, Phebe Adesinuola (3x), Trifunovic, Petar (2x)

6.b3 — 19.9% (180 parties)

Ambassadeurs : Alekseev, Evgeny (3x), Kaposztas, Miklos (2x), Karpov, Anatoly (2x), Camarena Jimenez, Rufino (2x), Parligras, Mircea-Emilian (2x), Smagin, Sergey (1x), Bjork, Carl-Magnus (1x), Svensson, Bengt 1960 (1x)

6.Bg2 — 6.6% (60 parties)

Ambassadeurs : Knaak, Rainer (2x), Jahnel, Guenther (1x), Rashkovsky, Nukhim N (1x), Kapengut, Albert (1x), Kozma, Julius (1x), Djuric, Stefan (1x), Antonov, Vladimir (1x), Schaefer, Andreas (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Nc3	6.Nd2	6.b3	6.Bg2
<1800	11	45%	—	18%	—
1800-2200	167	34%	20%	23%	8%
2200-2600	593	37%	26%	21%	7%
2600+	54	59%	26%	9%	4%

Évolution par décennie (% des parties)

Décennie	N parties	6.Nc3	6.Nd2	6.b3	6.Bg2
1950s	3	—	100%	—	—
1960s	2	—	50%	—	—
1970s	47	49%	28%	4%	11%
1980s	108	40%	31%	13%	5%
1990s	117	31%	32%	21%	4%
2000s	235	35%	24%	22%	9%
2010s	312	41%	21%	22%	6%
2020s	79	38%	20%	25%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Nc3	41%	38%	▼ -3.4%
6.Nd2	21%	20%	-0.3%
6.b3	22%	25%	▲ +3.5%
6.Bg2	6%	8%	▲ +1.8%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 4 parties
Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

6.Nc3 — 38.0% (343 parties)

1973 — Heinig, Wolfram, Dr. vs Liebert, Heinz — 1/2-1/2 — Erfurt ch DDR
1973 — Rashkovsky, Nukhim N vs Suetin, Alexey S — 1-0 — USSR
1973 — Jonscher, Peter vs Hesselbarth, Karlheinz, Dr. — 0-1 — corr DDR-PZ
1974 — Chellstorp, Craig vs Kaplan, Julio — 1/2-1/2 — Houston Houston, TX USA
1976 — Rashkovsky, Nukhim N vs Vaganian, Rafael A — 1-0 — Moskou ch-URS

6.Nd2 — 25.0% (226 parties)

1951 — Udovcic, Mijo vs Trifunovic, Petar — 1/2-1/2 — Sarajevo BIH
1954 — Khalilbeili, Sultan vs Sidorov, Nikolai — 1/2-1/2 — Riga LAT
1959 — Trifunovic, Petar vs Ugrinovic, Dragan — 1-0 — Kragujevac ch14-YUG
1966 — Bachtiar, Arovah vs Ojanen, Kaarle S — 1/2-1/2 — Havana CUB
1973 — Furman, Semyon vs Kaplan, Julio — 1-0 — Madrid ESP

6.b3 — 19.9% (180 parties)

1976 — Kaposztas, Miklos vs Kertesz, Alfred — 1/2-1/2 — Satu-Mare ROU
1976 — Hansson, Ronald vs Korman, Ulf — 0-1 — ?
1980 — Bjork, Carl-Magnus vs Svensson, Bengt 1960 — 1/2-1/2 — ?
1980 — Luczak, Andrzej vs Vogt, Lothar — 0-1 — Polanica Zdroj POL
1980 — Kerkmeester, Jan vs Van der Sterren, Paul — 0-1 — Dieren NED

6.Bg2 — 6.6% (60 parties)

1972 — Rashkovsky, Nukhim N vs Kapengut, Albert — 1/2-1/2 — Baku ch-URS
1975 — Jahnel, Guenther vs Knaak, Rainer — 0-1 — Meissen
1975 — Kozma, Julius vs Knaak, Rainer — 0-1 — Leipzig GER
1975 — Govashelishvili, Genadij vs Guseinov, Aidyn — 0-1 — Baku AZE
1976 — Holst, Conny vs Thapper, Roland — 0-1 — corr SWE/K tt

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