A32l — English: Symmetrical, Two Knights, 5.g3 Bb4+

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Bb4+ * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte f4, case forte b5, paire de fous, colonne d.
Faiblesses adverses : arriéré d7, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nc3 — Développer Nb1
● Bg5 — Clouer Nf6
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), Bb4 actif, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, arriéré d7, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A32l — Symmetrical Two Knights

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6 5.g3 Bb4+

Eval: [+0.24]

Les coups candidats

6.Bd2 — 68.5% (600 parties)

Ambassadeurs : Rashkovsky, Nukhim N (11x), Mikhalchishin, Adrian (5x), Gavrikov, Viktor (4x), Aronian, Levon (4x), Hausner, Ivan (3x), Zilberstein, Valery I (3x), Ayan Schneider (3x), Palatnik, Semon (3x)

6.Nc3 — 28.1% (246 parties) →

Ambassadeurs : Timman, Jan H (5x), Sosonko, Gennadi (4x), Santos, Antonio P (4x), Beliavsky, Alexander G (3x), Sabuk, Piotr (3x), Despotovic, Momcilo (2x), Nogueiras Santiago, Jesus (2x), Santos, Jose P (2x)

6.Nd2 — 3.4% (30 parties)

Ambassadeurs : Santasiere, Anthony (1x), Lasker, Emanuel (1x), Popov, Luben (1x), Bogdanov, Emil (1x), Remon, Adelquis (1x), Vilela De Acuna, Jose Luis (1x), Birnboin (1x), Varasdy, Aron (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Bd2	6.Nc3	6.Nd2
<1800	3	67%	33%	—
1800-2200	160	73%	25%	2%
2200-2600	549	68%	28%	4%
2600+	53	60%	36%	4%

Évolution par décennie (% des parties)

Décennie	N parties	6.Bd2	6.Nc3	6.Nd2
1920s	1	100%	—	—
1930s	1	—	—	100%
1940s	1	—	100%	—
1950s	4	100%	—	—
1960s	3	67%	—	33%
1970s	72	79%	18%	3%
1980s	122	63%	35%	2%
1990s	166	72%	26%	2%
2000s	244	65%	30%	5%
2010s	236	69%	28%	3%
2020s	26	73%	27%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Bd2	69%	73%	▲ +4.0%
6.Nc3	28%	27%	▼ -0.6%
6.Nd2	3%	0%	▼ -3.4%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 5 parties
Kramnik, Vladimir — 3 parties
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

6.Bd2 — 68.5% (600 parties)

1928 — Pulcherio, Cauby vs Castillo Larenas, Mariano — 1-0 — Mar del Plata ARG
1955 — Saidy, Anthony vs Reshevsky, Samuel — 0-1 — Long Beach, CA USA
1958 — Alvarez Martin, Pedro vs Kraidman, Yair — 1/2-1/2 — Munich GER
1958 — Espinosa Escala, Rafael Mario vs Redolfi, Argentino Rodolfo — 1/2-1/2 — Buenos Aires ARG
1959 — Taimanov, Mark vs Bronstein, David I — 1/2-1/2 — Tbilisi ch-URS

6.Nc3 — 28.1% (246 parties)

1947 — Carvalho, Flavio vs Eliskases, Erich — 0-1 — Sao Paulo BRA
1972 — Marszalek, Rafal vs Pytel, Krzysztof — 1/2-1/2 — Wroclaw POL
1972 — Gedevanishvili, Dmitry vs Romanishin, Oleg M — 0-1 — Moscow RUS
1975 — Santos, Antonio P vs Trevelyan, Clive — 1/2-1/2 — Groningen NED
1976 — Chekhov, Valery A vs Mikhalchishin, Adrian — 1-0 — Banja Luka BIH

6.Nd2 — 3.4% (30 parties)

1931 — Santasiere, Anthony vs Lasker, Emanuel — 0-1 — New York, NY USA
1963 — Popov, Luben vs Bogdanov, Emil — 1-0 — Sofia BUL
1979 — Birnboin vs Varasdy, Aron — 1-0 — Athens GRE
1979 — Quinteros, Miguel A. vs Markeluk, Sergio — 1-0 — Buenos Aires ARG
1980 — Remon, Adelquis vs Vilela De Acuna, Jose Luis — 1/2-1/2 — Bayamo

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d7
Chaînes	● f2→g3, h2→g3	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0)	● d5 (2v1), ● e4 (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)
Bb4		● Bb4 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	4 (b8, c8, 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, ● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
? 2000 – Round ? – Ricardi, Pablo – 1/2-1/2 – Gulko, Boris – G35 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Qb6 7. Bxb4 Qxb4+ 8. Qd2 Qxc4 9. Bg2 Nc6 10. Nb3 d5
19. Amber Blindfold 2010 – Round 1 – Dominguez Perez, Leinier – 0-1 – Gashimov, Vugar – G2 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Be7 7. Bg2 Nc6 8. Bf4 O-O 9. Nc3 e5 10. Nxc6 bxc6
1928 Mar del Plata – Round 2 – Pulcherio, Cauby – 1-0 – Castillo Larenas, Mariano – G9 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. g3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bc5 7. Nb3 Be7 8. Bg2 Nc6 9. e4 O-O 10. Qe2 d6
1931 New York – Round 6 – Santasiere, Anthony – 0-1 – Lasker, Emanuel – G47 1. Nf3 Nf6 2. d4 e6 3. g3 c5 4. c4 cxd4 5. Nxd4 Bb4+ 6. Nd2 Qb6 7. Nf3 Ne4 8. e3 Bxd2+ 9. Nxd2 Nxd2 10. Bxd2 Qc6
1958 Argentina – Round 9 – Espinosa Escala, Rafael Mario – 1/2-1/2 – Redolfi, Argentino Rodolfo – G71 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. c4 cxd4 5. Nxd4 Bb4+ 6. Bd2 Qb6 7. e3 Bc5 8. Nb3 Be7 9. Bg2 Nc6 10. O-O d5
1958 Munich olm fin-B – Round 8 – Alvarez Martin, Pedro – 1/2-1/2 – Kraidman, Yair – G76 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bxd2+ 7. Nxd2 O-O 8. Bg2 Nc6 9. N2b3 b6 10. O-O Bb7
1959 Tbilisi ch-URS – Round 6 – Taimanov, Mark E – 1/2-1/2 – Bronstein, David I – G41 1. d4 e6 2. c4 c5 3. Nf3 Nf6 4. g3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bxd2+ 7. Nxd2 Qb6 8. N2b3 Qb4+ 9. Qd2 Qxd2+ 10. Kxd2 Nc6
20. European Teams 2015 – Round 8.13 – Papaioannou, Ioannis CS – 1/2-1/2 – Kveinys, Aloyzas – G329 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Be7 7. Bg2 O-O 8. O-O Nc6 9. Bc3 d5 10. Nd2 Bd7
4. M-Tel Masters 2008 – Round 1 – Aronian, Levon – 0-1 – Topalov, Veselin – G1 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Be7 7. Bg2 Nc6 8. Bc3 O-O 9. O-O d5 10. Nd2 Bd7
41. Olympiad Open 2014 – Round 2.6 – Leko, Peter – 1/2-1/2 – Iturrizaga Bonelli, Eduardo – G157 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bxd2+ 7. Nxd2 Nc6 8. N2b3 Qb6 9. e3 O-O 10. Be2 d5
Amber-blindfold 16th 2007 – Round 2 – Aronian, Levon – 1/2-1/2 – Leko, Peter – G3 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bc5 7. Nb3 Be7 8. Bg2 Nc6 9. Nc3 b6 10. Bf4 O-O
Azerbaijanian vs World Rapid 2009 – Round 2 – Anand, Viswanathan – 1-0 – Gashimov, Vugar – G2 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bc5 7. Nb3 Be7 8. Bg2 Nc6 9. O-O b6 10. Nc3 Ba6
Dortmund 1998 – Round 6 – Beliavsky, Alexander G – 0-1 – Adams, Michael – G21 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Qb6 7. Bxb4 Qxb4+ 8. Nc3 O-O 9. Qb3 Qc5 10. Rd1 a6
FIDE-Wch k.o. 1999 – Round 3.1 – Korchnoi, Viktor – 1/2-1/2 – Kramnik, Vladimir – G75 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Bd2 Be7 7. Bg2 Nc6 8. Bc3 O-O 9. O-O d5 10. cxd5 Nxd5
Grand Slam Final 2008 – Round 1 – Aronian, Levon – 0-1 – Carlsen, Magnus – G1 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Nd2 Nc6 7. Nc2 Be7 8. Bg2 O-O 9. O-O Rb8 10. Ne4 b5
Investbanka 1997 – Round 3 – Beliavsky, Alexander G – 1/2-1/2 – Gelfand, Boris – G7 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Be7 7. Bg2 Nc6 8. Bc3 O-O 9. O-O d5 10. Nd2 Qb6
Sparkassen GM 2009 – Round 2 – Leko, Peter – 1/2-1/2 – Carlsen, Magnus – G6 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Bd2 Be7 7. Bg2 Nc6 8. Bf4 O-O 9. O-O Qb6 10. Nb5 a6
World Blitz 2015 – Round 7.36 – Adhiban, B. – 1/2-1/2 – Akopian, Vladimir – G430 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. g3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Qb6 7. Bg2 O-O 8. O-O Nc6 9. Nb3 d5 10. cxd5 exd5
World Blitz 2018 – Round 8.41 – Paravyan, David – 1-0 – Abdusattorov, Nodirbek – G486 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Be7 7. Bg2 Nc6 8. Nf3 O-O 9. O-O b6 10. Nc3 Bb7
XXIV SuperGM 2007 – Round 11 – Aronian, Levon – 1/2-1/2 – Leko, Peter – G37 1. d4 Nf6 2. c4 e6 3. g3 c5 4. Nf3 cxd4 5. Nxd4 Bb4+ 6. Bd2 Bc5 7. Nb3 Be7 8. Bg2 Nc6 9. Nc3 b6 10. Bf4 O-O

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