Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● d4 (3v1)
Cases faibles	● b4	—
Centre	● d5 (1v0), ● e4 (1v0)	● d4 (3v1), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bb5	● Bb5 Actif (mob. 7)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	4 (● g8, ● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● d2-d4	● …d7-d5, ● …f7-f5

B31p — Sicilian: Rossolimo, Gurgenidze Variation

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.b4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. a3 (Préparer expansion aile dame — 52 % des parties) ; Bb2 (Fou actif (mobilité 5), Développer c1 — 33 % des parties) ; c3 (Renforcer le centre — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...cxb4 (Capture en b4, Expansion aile dame — 54 % des parties) ; ...Nxb4 (Capture en b4 — 40 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1961 Baku ch-URS – Round 11 – Lein, Anatoly – 1/2-1/2 – Taimanov, Mark E – G105 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 Nxb4 7. c3 Nc6 8. d4 exd4 9. e5 Nge7 10. cxd4 Nxd4
1964 Kiev ch-URS – Round 1 – Lutikov, Anatoly S – 1/2-1/2 – Petrosian, Tigran V – G78 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 cxb4 7. a3 Nge7 8. axb4 O-O 9. c3 d5 10. d3 Be6
1964 URS – Round ? – Lein, Anatoly – 1-0 – Reshko, Aron – G21 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 cxb4 7. a3 Nge7 8. axb4 O-O 9. Bb2 d6 10. Bxc6 Nxc6
1968 USSR – Round 1 – Gurgenidze, Bukhuti – 1-0 – Katalymov, Boris – G32 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 Nxb4 7. Bb2 Qb6 8. Na3 a6 9. Bf1 d6 10. Nc4 Qc7
1970 Palma de Mallorca Interzonal – Round 3 – Rubinetti, Jorge – 1/2-1/2 – Matulovic, Milan – G187 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 Nxb4 7. c3 Nc6 8. d4 exd4 9. e5 Nge7 10. cxd4 a6
GCT Rapid Paris 2017 – Round 8.4 – Bacrot, Etienne – 0-1 – Grischuk, Alexander – G39 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 cxb4 7. a3 b3 8. cxb3 Nge7 9. Bb2 O-O 10. b4 a6
WCh 2018 – Round 5 – Caruana, Fabiano – 1/2-1/2 – Carlsen, Magnus – G5 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 Nxb4 7. Bb2 a6 8. a3 axb5 9. axb4 Rxa1 10. Bxa1 d6

B31p — Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation (1961)

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.b4

Les coups candidats

6…cxb4 — 54.0% (252 parties)

Ambassadeurs : Van der Wiel, John T.H. (3x), Grund, Holger (3x), Juárez de Vena, Antonio (3x), Barle, Janez (2x), Kapengut, Albert (2x), ? (2x), Radulov, Ivan (2x), Horvath, Zoltan (2x)

6…Nxb4 — 40.0% (187 parties)

Ambassadeurs : Vieito Soria, Luis Maria (9x), Juárez de Vena, Antonio (9x), Martín Hernández, Vicente (4x), Osuna Osuna, Francisco (4x), Rivas Maceda, Juan (4x), Fridjonsson, Julius (3x), Kapengut, Albert (3x), Muniz De Lucas, Alberto (3x)

6…Nd4 — 4.1% (19 parties)

Ambassadeurs : Chaplin, Erik (1x), Neffe, Axel (1x), Horvath, Zoltan (1x), Atkins, Rita (1x), Greabca, Diana (1x), Bonte, Arghir (1x), Cozianu, Costin (1x), Bogdan, Dan (1x)

6…d6 — 1.1% (5 parties)

Ambassadeurs : Greabca, Diana (1x), Zozulia, Anna (1x), Toufighi, Homayoon (1x), Ibrahim, Ismail (1x), Durnik, Stefan (1x), Ostrochovsky, Anton (1x), Tsaknakis, Zisis (1x), Videnova-Kuljasevic, Iva (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…cxb4	6…Nxb4	6…Nd4	6…d6
<1800	26	42%	54%	4%	—
1800-2200	143	53%	37%	6%	1%
2200-2600	256	58%	38%	3%	1%
2600+	4	25%	75%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…cxb4	6…Nxb4	6…Nd4	6…d6
1960s	5	40%	60%	—	—
1970s	45	56%	44%	—	—
1980s	23	57%	43%	—	—
1990s	56	70%	18%	7%	2%
2000s	85	67%	26%	6%	1%
2010s	121	46%	47%	5%	2%
2020s	132	45%	49%	3%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…cxb4	46%	45%	▼ -0.8%
6…Nxb4	47%	49%	▲ +2.1%
6…Nd4	5%	3%	▼ -1.9%
6…d6	2%	1%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 2 parties

Parties historiques

6…cxb4 — 54.0% (252 parties)

1964 — Lein, Anatoly vs Reshko, Aron — 1-0 — URS
1964 — Lutikov, Anatoly S vs Peterson, Andrejs — 1/2-1/2 — Kiev ch-URS
1970 — Maljutin, Evgeni vs Hermlin, Aarne — 1-0 — USSR
1971 — Krabbe, Tim vs Van der Vliet, Fred — 1-0 — Leeuwarden ch-NED
1971 — Schweber, Samuel vs Mecking, Henrique — 0-1 — Mar del Plata ARG

6…Nxb4 — 40.0% (187 parties)

1961 — Lein, Anatoly vs Taimanov, Mark — 1/2-1/2 — Baku ch-URS
1968 — Gurgenidze, Bukhuti vs Katalymov, Boris — 1-0 — USSR
1969 — ? vs Borisenko-Belova, Valentina — 1/2-1/2 — Gori
1970 — Rubinetti, Jorge vs Matulovic, Milan — 1/2-1/2 — Palma de Mallorca izt
1971 — Rubinetti, Jorge vs Agdamus, Jose Luis — 1-0 — Villa Gesell ARG

6…Nd4 — 4.1% (19 parties)

1991 — Chaplin, Erik vs Neffe, Axel — 0-1 — Lyngby DEN
1992 — Horvath, Zoltan vs Atkins, Rita — 1/2-1/2 — Hungary 1 tt
1994 — Cozianu, Costin vs Bogdan, Dan — 1-0 — Rumania
1998 — Greabca, Diana vs Bonte, Arghir — 0-1 — Deva
2004 — Klima, Lukas vs Vojacek, Zdenek — 1-0 — Stare Mesto

6…d6 — 1.1% (5 parties)

1998 — Greabca, Diana vs Zozulia, Anna — 0-1 — Mureck AUT
2007 — Toufighi, Homayoon vs Ibrahim, Ismail — 1-0 — Abudhabi UAE
2012 — Durnik, Stefan vs Ostrochovsky, Anton — 1/2-1/2 — Zilina
2018 — Tsaknakis, Zisis vs Videnova-Kuljasevic, Iva — 0-1 — Thessaloniki GRE
2025 — Velicka, Petr vs Svacina, Tobias — 1-0 — Czech Republic CZE