Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3, c4→d5	● d6→c5, g6→f5, e7→d6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g5 (2v0)	● e4 (2v0), ● g4 (2v0)
Cases faibles	—	● d5
Centre	● d4 (2v1), ● d5 (2v1)	● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● e2-e4	● …e7-e6, ● …f5-f4

A87o — Dutch: Leningrad, Main Line, 7.d5 c5

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.d5 c5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nc3 (Développer b1 — 90 % des parties) ; Ng5 (4 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Na6 (Développer b8 — 77 % des parties) ; ...h6 (11 % des parties) ; ...Nbd7 (Développer b8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1959 Asztalos Memorial – Round 4 – Forintos, Gyozo V – 0-1 – Haag, Ervin – G17 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. d5 c5 8. Nc3 Na6 9. h3 Nc7 10. Rb1 Nd7
1963 Halle zt – Round 1 – Minev, Nikolay N – 1-0 – Larsen, Benjamin Holsko – G24 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. d5 c5 8. Nc3 Nbd7 9. Qc2 Nb6 10. b3 e5
1964 WchT U26 11. fin-A – Round 6.2 – Kavalek, Lubomir – 1-0 – Moe, Mogens – G98 1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d4 d6 7. d5 c5 8. Nc3 Na6 9. Ne1 Nc7 10. Nd3 Rb8
1967 Asztalos Memorial 10th – Round 12 – Kavalek, Lubomir – 0-1 – Johansson, Martin 1979 – G60 1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. d4 d6 7. d5 c5 8. Nc3 Na6 9. Ne1 Nc7 10. a4 Rb8
1967 Harrachov – Round 1 – Whiteley, Andrew Jonathan – 1-0 – Strobel, Ferdinand – G9 1. d4 f5 2. Nf3 g6 3. g3 Nf6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. d5 c5 8. Nc3 Nbd7 9. Qc2 Ne5 10. Nxe5 dxe5
1968 IBM – Round 6 – Bouwmeester, Hans – 0-1 – Bronstein, David I – G26 1. Nf3 g6 2. g3 Bg7 3. d4 f5 4. Bg2 Nf6 5. O-O O-O 6. c4 d6 7. d5 c5 8. Nc3 Na6 9. e4 fxe4 10. Ng5 Bg4
1968 URS Team Ch – Round 1 – Kushnir, Alla – 0-1 – Titorenko, Natalia I – G45 1. d4 g6 2. c4 f5 3. g3 Nf6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. d5 c5 8. Ng5 Na6 9. Nc3 Nc7 10. Qd3 Rb8
Sarajevo 1972 – Round 9 – Petrosian, Tigran V. – 1-0 – Matulovic, Milan – G19 1. c4 g6 2. Nf3 Bg7 3. d4 f5 4. g3 Nf6 5. Bg2 O-O 6. O-O d6 7. d5 c5 8. Nc3 Na6 9. Rb1 Bd7 10. b3 Nc7

A87o — Leningrad, Main Line (1959)

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.d5 c5

Les coups candidats

8.Nc3 — 89.8% (97 parties)

Ambassadeurs : Keene, Raymond D (4x), Minev, Nikolay N (2x), Kavalek, Lubomir (2x), Tal, Mikhail (2x), Matulovic, Milan (2x), Larsen, Bent Ravn (2x), Whiteley, Andrew Jonathan (1x), Strobel, Ferdinand (1x)

8.Ng5 — 3.7% (4 parties)

Ambassadeurs : Kushnir, Alla (1x), Titorenko, Natalia I (1x), Ryzhov, Ivan (1x), Baturin, Anton (1x), Gravett, Alan David (1x), Mascarenhas, Alberto Pinheiro (1x), Hoepfner, Tim (1x), Syperek, Sebastian (1x)

8.dxc6 — 3.7% (4 parties)

Ambassadeurs : Aronov, Yuri (1x), Vallejo Pons, Francisco (1x), Paulic, Damir (1x), Jankovic, Janko (1x), Mitscherling, Andreas (1x), Sondermann, Johannes (1x), Ivekovic, Bozidar (1x), Havas, Janko (1x)

8.Nbd2 — 1.9% (2 parties)

Ambassadeurs : Lapiccirella, Daniele (1x), Fusi, Claudio (1x), Bispo, Leonardo (1x), Acosta, Pablo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Nc3	8.Ng5	8.dxc6	8.Nbd2
<1800	2	100%	—	—	—
1800-2200	30	80%	7%	7%	7%
2200-2600	50	94%	—	4%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Nc3	8.Ng5	8.dxc6	8.Nbd2
1950s	1	100%	—	—	—
1960s	9	89%	11%	—	—
1970s	14	100%	—	—	—
1980s	11	100%	—	—	—
1990s	33	97%	—	3%	—
2000s	25	88%	4%	8%	—
2010s	14	57%	14%	7%	14%
2020s	1	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nc3	57%	100%	▲ +42.9%
8.Ng5	14%	0%	▼ -14.3%
8.dxc6	7%	0%	▼ -7.1%
8.Nbd2	14%	0%	▼ -14.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties

Parties historiques

8.Nc3 — 89.8% (97 parties)

1959 — Forintos, Gyozo V vs Haag, Ervin — 0-1 — Balatonfured
1963 — Minev, Nikolay N vs Larsen, Bent Ravn — 1-0 — Halle zt
1964 — Minev, Nikolay N vs Tsvetkov, Alexandar K — 1/2-1/2 — Sofia BUL
1964 — Kavalek, Lubomir vs Moe, Mogens — 1-0 — Krakow POL
1967 — Whiteley, Andrew Jonathan vs Strobel, Ferdinand — 1-0 — Harrachov

8.Ng5 — 3.7% (4 parties)

1968 — Kushnir, Alla vs Titorenko, Natalia I — 0-1 — Riga LAT
2000 — Ryzhov, Ivan vs Baturin, Anton — 1/2-1/2 — RUS-ch U14 Toljatti
2010 — Gravett, Alan David vs Mascarenhas, Alberto Pinheiro — 0-1 — Caleta
2019 — Hoepfner, Tim vs Syperek, Sebastian — 1-0 — Hessen

8.dxc6 — 3.7% (4 parties)

1995 — Aronov, Yuri vs Vallejo Pons, Francisco — 0-1 — Brazil Wch U18 boys
2003 — Paulic, Damir vs Jankovic, Janko — 1/2-1/2 — Belgrade SRB
2006 — Mitscherling, Andreas vs Sondermann, Johannes — 1-0 — Budapest HUN
2014 — Ivekovic, Bozidar vs Havas, Janko — 1/2-1/2 — Sv Filip i Jakov

8.Nbd2 — 1.9% (2 parties)

2014 — Lapiccirella, Daniele vs Fusi, Claudio — 1-0 — Ceriano Laghetto
2017 — Bispo, Leonardo vs Acosta, Pablo — 1-0 — Ponta Grossa BRA