A88i — Dutch: Leningrad, Main Line, 7.Nc3 c6 8.b3 Qa5

1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6 8.b3 Qa5 *   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bR
bK
bP
bP
bP
bB
bP
bP
bP
bN
bP
bQ
bP
Case forte (2v0)
wP
wPPion central
Case forte (2v0)
wP
wNknight en prise !
wN
wP
wP
wP
wP
wB
wP
wR
wBFou actif — mobilité 7
wQ
wR
wK
abcdefgh
Plans. Bb2 (Fianchetto, fou sur la grande diagonale — 54 % des parties) ; Bd2 (Fou actif (mobilité 6), Développer c1 — 30 % des parties) ; Qc2 (7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wB
wR
wP
wB
wP
wP
wP
wP
wN
wNknight en prise !
wP
Avant-poste C (accessible)
Case forte (2v1)
wP
wP
bP
bQ
bP
bN
bP
bP
bP
bB
bP
bP
bP
bK
bR
bB
bN
bR
hgfedcba
Plans. ...e5 (Occuper le centre — 66 % des parties) ; ...Qc7 (26 % des parties) ; ...Na6 (Développer b8 — 6 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● a2→b3, f2→g3, h2→g3, b3→c4 ● g6→f5, b7→c6, e7→d6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● g5 (2v0) ● e4 (2v1), ● g4 (2v0)
Cases faibles
Centre ● d4 (2v0) ● d5 (3v2), ● e4 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 7)
Bg2 ● Bg2 Ok (mob. 2)
Bg7 ● Bg7 Ok (mob. 2)
Bc8 ● Bc8 Non développé (mob. 2)
Paire de fous ● Oui ● Oui
Non développées 2 (● c1, ● a1) 3 (● b8, ● c8, ● a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre mobile
Ruptures ● c4-c5, ● d4-d5, ● e2-e4 ● …c6-c5, ● …d6-d5, ● …e7-e5, ● …f5-f4
Partie
30. ECC Open 2014 – Round 1.3 – Grischuk, Alexander – 1-0 – Nijboer, Friso – G9
1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. b3 Qa5 9. Bb2 e5 10. Qd2 Na6
FIDE GP Beijing 2013 – Round 3.2 – Gelfand, Boris – 0-1 – Giri, Anish – G12
1. d4 d6 2. Nf3 g6 3. c4 f5 4. Nc3 Nf6 5. g3 Bg7 6. Bg2 O-O 7. O-O c6 8. b3 Qa5 9. Bb2 e5 10. Qd2 Qc7
Yerevan ol (Men) 1996 – Round 13 – Georgiev, Kaloyan – 0-1 – Malaniuk, Vladimir P – G192
1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6 8. b3 Qa5 9. Bb2 e5 10. Qd2 Qc7
Yerevan ol (Men) 1996 – Round 13 – Nikolaidis, Ioannis – 1-0 – Bologan, Victor – G187
1. d4 d6 2. Nf3 g6 3. c4 f5 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. Nc3 c6 8. b3 Qa5 9. Bd2 e5 10. e4 Qc7

A88i — Leningrad, Main Line (1996)
1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3 O-O 6.O-O d6 7.Nc3 c6 8.b3 Qa5
Les coups candidats
9.Bb2 — 53.9% (199 parties)
Ambassadeurs : Dolmatov, Sergey (6x), Yilmaz, Turhan (3x), Kosic, Branko (3x), Olafsson, Helgi (2x), Bartel, Mateusz (2x), Doric, Nenad (2x), Marwitz, Ullrich, Dr. (2x), Marten, Gero (2x)
9.Bd2 — 30.1% (111 parties)
Ambassadeurs : Dolmatov, Sergey (3x), Clemens, Christian, Dr. (2x), Brassoloto, Adan (2x), Ribeiro, Marcos Willian De Souza (2x), Duchardt, Alexandre (2x), Yagupov, Igor (2x), Bacis, Jean-Francois (1x), Baldy, Philippe (1x)
9.Qc2 — 7.3% (27 parties)
Ambassadeurs : Kropff, Ricardo (2x), Raab, Peter (2x), Golovchenko, Gleb (2x), Gedevanishvili, Dmitry (1x), DePasquale, Alex (1x), Lehmann, Rainer (1x), Magar, Johannes (1x), Boissonnier, Kimo (1x)
9.Rb1 — 4.1% (15 parties)
Ambassadeurs : Szabolcsi, Janos (2x), Wirthensohn, Heinz (1x), Lekander, Rolf (1x), Tukmakov, Vladimir B (1x), Palatnik, Semon (1x), Lauber, Arnd (1x), Del Rio De Angelis, Salvador Gabriel (1x), Romon Poves, Raul (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Bb2 9.Bd2 9.Qc2 9.Rb1
<1800 10 70% 30%
1800-2200 119 56% 26% 9% 3%
2200-2600 207 51% 32% 8% 6%
2600+ 12 67% 25%
Évolution par décennie (% des parties)
Décennie N parties 9.Bb2 9.Bd2 9.Qc2 9.Rb1
1970s 8 50% 38% 12%
1980s 10 50% 40% 10%
1990s 88 51% 32% 10% 2%
2000s 81 36% 41% 10% 12%
2010s 166 61% 25% 5% 1%
2020s 16 88% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Bb2 61% 88% ▲ +26.1%
9.Bd2 25% 12% ▼ -12.2%
9.Qc2 5% 0% ▼ -5.4%
9.Rb1 1% 0% ▼ -1.2%
Parties historiques
9.Bb2 — 53.9% (199 parties)
1971 — Krutiansky, A. vs Kudinov, Ivan — 1-0 — Leningrad RUS
1973 — Lekander, Rolf vs Ek, Hans — 1/2-1/2 — SWE-ch Bollnas
1973 — Ljungdahl, John vs Ljungquist, Lennart — 1-0 — Bollnas
1977 — Sendur, Adnan vs Depasquale, Chris — 1/2-1/2 — Cagnes sur Mer
1987 — Legahn, Dirk vs Polster, Wolfgang, Dr. — 1/2-1/2 — corr BdF
9.Bd2 — 30.1% (111 parties)
1974 — Bak, Istvan vs Asik, Hakan — 1/2-1/2 — Eksjo SWE
1974 — Lundin, Erik vs Ek, Hans — 1-0 — Eksjo SWE
1976 — Kovacs, Laszlo vs Dimitrijevic, Milorad — 1/2-1/2 — ?
1989 — Bacis, Jean-Francois vs Baldy, Philippe — 1/2-1/2 — Uzes op
1989 — Lerner, Konstantin Z vs Dolmatov, Sergey — 1/2-1/2 — Odessa ch-URS
9.Qc2 — 7.3% (27 parties)
1989 — Gedevanishvili, Dmitry vs DePasquale, Alex — 1-0 — Sydney AUS
1990 — Sebih, Kamel vs Yilmaz, Turhan — 1-0 — Novi Sad olm
1992 — Lehmann, Rainer vs Magar, Johannes — 1-0 — GER
1993 — Facino, Hector vs Erbe, Javier — 0-1 — San Isidro VALLE
1995 — Kropff, Ricardo vs Figari, Esteban — 1-0 — San Cristobal op
9.Rb1 — 4.1% (15 parties)
1974 — Wirthensohn, Heinz vs Lekander, Rolf — 1-0 — ?
1992 — Tukmakov, Vladimir B vs Palatnik, Semon — 1/2-1/2 — Hania op
1996 — Lauber, Arnd vs Del Rio De Angelis, Salvador Gabriel — 1-0 — Medellin wch-jr
2000 — Damaso, Rui vs Spraggett, Kevin — 0-1 — 12. Open Porto POR
2002 — Chabanon, Jean-Luc vs Szabolcsi, Janos — 1-0 — France