Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, f2→g3, h2→g3, d3→e4	● d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (3v0), ● d5 (2v0)	● b4 (2v0), ● d4 (3v2), ● e5 (3v0)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (3v0)	● d4 (3v2), ● e5 (3v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Ok (mob. 3)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 7)
Paire de fous	● Oui	● Oui
Non développées	2 (● a1, ● h1)	3 (● g8, ● c8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● d3-d4, ● e4-e5	● …c5-c4, ● …d6-d5, ● …f7-f5

B26j — Sicilian: Closed, 6.Be3 Rb8 7.Qd2 b5 8.Nge2

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Rb8 7.Qd2 b5 8.Nge2 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nd1 (62 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 30 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...b4 (Expansion aile dame — 60 % des parties) ; ...Nd4 (Cavalier centralisé en d4 — 33 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1952 JUG Ch – Round 6 – Krivec, Sandi – 1-0 – Bogdanovic, Rajko – G38 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O b4 10. Nd1 e6
1954 Belgrade – Round 14 – Milic, Borislav – 1/2-1/2 – Ivkov, Borislav – G120 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O b4 10. Nd1 Bd7
1956 Zittau-A 6th – Round 1 – Dorawa, Bernhard – 1/2-1/2 – Schlieder, Rolf – G3 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O e6 10. Nd1 b4
1960 CSR Ch – Round 12 – Hort, Vlastimil – 0-1 – Vesely, Jiri – G101 1. e4 c5 2. Nc3 Nc6 3. g3 Rb8 4. d3 b5 5. Be3 d6 6. Qd2 g6 7. Bg2 Bg7 8. Nge2 Nd4 9. O-O Bd7 10. Nd1 f5
1961 Zuerich – Round 3 – Christoffel, Martin – 0-1 – Gligorić, Svetozar – G14 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Rb8 7. Qd2 b5 8. Nge2 b4 9. Nd1 e5 10. O-O Nd4
1961 Zuerich – Round 5 – Christoffel, Martin – 0-1 – Petrosian, Tigran A. – G24 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 b4 9. Nd1 e5 10. O-O Nge7
1962 It IIb – Round 9 – Bakker, Piet – 1/2-1/2 – De Rooi, Paul – G18 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. Be3 d6 5. Qd2 Bg7 6. g3 Rb8 7. Bg2 b5 8. Nge2 b4 9. Nd1 e5 10. O-O Nge7
1964 Ch (Men) Budapest HUN – Round 1 – Titkos, Jeno – 0-1 – Forintos, Gyozo V – G19 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. d3 Rb8 7. Be3 b5 8. Qd2 b4 9. Nd1 Bd7 10. O-O Qc8
1965 IBM-B – Round 6 – Orbaan, Constant – 0-1 – Ghitescu, Theodor – G11 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 b4 9. Nd1 Nd4 10. O-O e6
1966 La Habana olm fin-A – Round 1 – Zwaig, Arne – 0-1 – Gligorić, Svetozar – G19 1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. Ne2 Nc6 5. Nbc3 d6 6. d3 Rb8 7. Be3 b5 8. Qd2 b4 9. Nd1 Nd4 10. O-O e5
1970 Palma de Mallorca Interzonal – Round 9 – Suttles, Duncan – 1/2-1/2 – Portisch, Lajos – G158 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Bg2 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 b4 9. Nd1 Nd4 10. O-O Bd7
1972 Skopje ol (Men) fin-A – Round 6 – Medina-Garcia, Antonio – 0-1 – Ljubojevic, Ljubomir – G211 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Rb8 6. Be3 d6 7. Qd2 b5 8. Nge2 b4 9. Nd1 a5 10. a3 b3
Candidats qf3 1980 – Round 11 – Spassky, Boris V. – 1/2-1/2 – Portisch, Lajos – G11 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O e6 10. Nd1 Ne7
Dortmund 1998 – Round 7 – Adams, Michael – 1-0 – Anand, Viswanathan – G26 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O b4 10. Nd1 Nxe2+
FIDE (31) 1979-1981 1980 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Portisch, Lajos – G2 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O e6 10. Nd1 Ne7
FIDE World Cup 2019 – Round 1.1 – Press, Shaun – 0-1 – Ding, Liren – G32 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Rb8 7. Qd2 b5 8. Nge2 b4 9. Nd1 h5 10. h3 e6
World Blitz 2019 – Round 21.71 – Donchenko, Alexander – 1/2-1/2 – Baron, Tal – G1446 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 b4 9. Nd1 Qb6 10. O-O Nd4
World Blitz 2021 – Round 10.22 – Movsesian, Sergei – 0-1 – Alekseenko, Kirill – G583 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Rb8 6. Be3 d6 7. Qd2 b5 8. Nge2 b4 9. Nd1 e5 10. a3 a5
World Rapid 2021 – Round 6.19 – Movsesian, Sergei – 1-0 – Ivic, Velimir – G331 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. O-O h5 10. Bg5 Ne6
World Rapid 2021 – Round 7.9 – Movsesian, Sergei – 1-0 – Maghsoodloo, Parham – G442 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Rb8 6. Be3 d6 7. Qd2 b5 8. Nge2 b4 9. Nd1 a5 10. O-O Nd4

B26j — Closed (1952)

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 Rb8 7.Qd2 b5 8.Nge2

Les coups candidats

8…b4 — 60.5% (1374 parties)

Ambassadeurs : Chaika, Ivan (14x), Cross, Gregory W (13x), Ledger, Andrew J (11x), Ledger, Dave J (10x), Dolgiy, Lavrenty (8x), Majer, Damir (7x), Bangiev, Alexander (5x), Buckley, Melanie H (5x)

8…Nd4 — 32.7% (742 parties)

Ambassadeurs : Buckley, Melanie H (9x), Lerch, Patrice (9x), Letay, Gyula (6x), Adams, Michael (5x), Ledger, Dave J (5x), Soraas, Torben (5x), Burchardt, Brigitte (5x), Ledger, Andrew J (4x)

8…h5 — 2.3% (53 parties)

Ambassadeurs : Chaika, Ivan (4x), Arnold Klein Mudidi (1x), Tan, Fischer (1x), Bakalar, Jan (1x), Kogan, Arthur (1x), Semenov, Dmytro (1x), Liutsko, Igor (1x), Bertino, Andrea (1x)

8…e6 — 2.2% (49 parties)

Ambassadeurs : Cagas, Petr (1x), Horton, Michael Howard (1x), Dean, Donald F (1x), Delaune, Richard K (1x), Lomakin, Dmitriy (1x), Scherbakov, Alexandr (1x), Klinger, Josef (1x), Schumi, Manfred (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b4	8…Nd4	8…h5	8…e6
<1800	82	67%	20%	1%	9%
1800-2200	1086	60%	32%	2%	2%
2200-2600	865	60%	35%	3%	1%
2600+	17	29%	71%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…b4	8…Nd4	8…h5	8…e6
1950s	7	—	100%	—	—
1960s	17	65%	18%	—	6%
1970s	32	62%	34%	—	3%
1980s	49	43%	55%	—	—
1990s	335	56%	37%	1%	2%
2000s	848	57%	38%	1%	2%
2010s	693	64%	28%	4%	3%
2020s	289	72%	20%	4%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b4	64%	72%	▲ +8.0%
8…Nd4	28%	20%	▼ -7.5%
8…h5	4%	4%	▼ -0.7%
8…e6	3%	2%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie

Parties historiques

8…b4 — 60.5% (1374 parties)

1961 — Christoffel, Martin vs Petrosian, Tigran V. — 0-1 — Zurich SUI
1961 — Christoffel, Martin vs Gligoric, Sofija — 0-1 — Zurich SUI
1962 — Bakker, Piet vs De Rooi, Paul — 1/2-1/2 — Beverwijk NED
1964 — Titkos, Jeno vs Forintos, Gyozo V — 0-1 — Budapest HUN
1965 — Orbaan, Constant vs Ghitescu, Theodor — 0-1 — Amsterdam NED

8…Nd4 — 32.7% (742 parties)

1951 — Heidenfeld, Wolfgang vs Abalos, Fredie — 0-1 — Marianske Lazne - Praha
1952 — Krivec, Sandi vs Bogdanovic, Rajko — 1-0 — Belgrade SRB
1952 — Krivec, Slavko vs Bogdanovic, Rajko — 1-0 — ?
1954 — Milic, Borislav vs Ivkov, Borislav — 1/2-1/2 — Belgrade SRB
1956 — Ivan, Imrich vs Holas, Josef — 1-0 — Bratislava SVK

8…h5 — 2.3% (53 parties)

1995 — Bakalar, Jan vs Kogan, Arthur — 0-1 — Trencin
1998 — Arnold Klein Mudidi vs Tan, Fischer — 1/2-1/2 — Chemnitz
1999 — Semenov, Dmytro vs Liutsko, Igor — 1-0 — Alushta UKR
2000 — Bertino, Andrea vs Cacco, Christian — 0-1 — Viareggio ITA
2002 — Stewart, Neil vs Vatter, Hans-Joachim — 1/2-1/2 — Saarbruecken GER

8…e6 — 2.2% (49 parties)

1966 — Cagas, Petr vs Horton, Michael Howard — 1/2-1/2 — Sunderland ch-BCF
1978 — Dean, Donald F vs Delaune, Richard K — 1-0 — corr ch-North America
1990 — Parkanyi, Attila vs Racz, Zoltan — 0-1 — Zalakaros
1993 — Klinger, Josef vs Schumi, Manfred — 1-0 — Zurich SUI
1993 — Theissl Pokorna, Regina vs Kacincova, Jarmila — 1/2-1/2 — Dunaj-Trnava

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