A88b — Dutch: Leningrad, Main Line, 7.Nc3 c6 8.b3

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 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte f4, case forte g5, paire de fous.
Faiblesses adverses : arriéré e7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, case forte g4, case forte f5, avant-poste g4(C), paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré e7, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture
● ...e6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A88b — Leningrad Main Line

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

Eval: [+0.40]

Les coups candidats

8…Na6 — 32.5% (600 parties) →

Ambassadeurs : Ochoa De Echaguen, Francisco Javier (7x), Malaniuk, Vladimir P (5x), Miezis, Normunds (5x), Kovalenko, Igor (5x), Cuccumini, Vittorio (5x), Kuczynski, Robert (4x), Lu, Shanglei (4x), Marten, Gero (4x)

8…Qa5 — 19.9% (368 parties) →

Ambassadeurs : Dolmatov, Sergey (9x), Bauer, Christian (4x), Agrest, Evgenij (4x), Yagupov, Igor (4x), Pirs, Matjaz (4x), Yilmaz, Turhan (3x), Reinderman, Dimitri (3x), Damaso, Rui (3x)

8…Qc7 — 16.3% (301 parties)

Ambassadeurs : Marten, Gero (9x), Pirs, Matjaz (7x), Bhend, Edwin (4x), Hild, Harald (4x), Frerichs, Manfred (3x), Rach, Jens (3x), Nozicka, Vladislav (3x), Jussupow, Artur (2x)

8…a5 — 10.7% (198 parties)

Ambassadeurs : Buecker, Stefan (5x), Ditt, Egon (5x), Kamsky, Gata (4x), Pap, Marko (4x), Marasescu, Ioan (3x), Fabig, Holger (3x), Grunberg, Sergiu-Henric (2x), Borngaesser, Rene (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Na6	8…Qa5	8…Qc7	8…a5
<1800	38	34%	8%	13%	3%
1800-2200	562	31%	17%	18%	8%
2200-2600	956	35%	24%	16%	11%
2600+	55	44%	24%	16%	11%

Évolution par décennie (% des parties)

Décennie	N parties	8…Na6	8…Qa5	8…Qc7	8…a5
1950s	6	17%	—	67%	—
1960s	14	29%	—	36%	—
1970s	56	32%	14%	18%	18%
1980s	88	23%	11%	11%	38%
1990s	379	23%	23%	12%	17%
2000s	316	25%	26%	12%	8%
2010s	763	41%	22%	16%	6%
2020s	223	36%	7%	31%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Na6	41%	36%	▼ -4.4%
8…Qa5	22%	7%	▼ -14.9%
8…Qc7	16%	31%	▲ +15.1%
8…a5	6%	8%	▲ +1.9%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

8…Na6 — 32.5% (600 parties)

1957 — Ivanov, Pavlin Nikolay vs Neikirkh, Oleg — 1/2-1/2 — Sofia BUL
1961 — Pelts, Roman vs Lutikov, Anatoly S — 1/2-1/2 — Sochi RUS
1961 — Peltz vs Lutikov, Anatoly S — 1/2-1/2 — ?
1966 — Birbrager, Isaak vs Lutikov, Anatoly S — 0-1 — URS-ch sf Orel
1968 — Angantysson, Haukur vs Kolbak, Jens — 0-1 — Ybbs

8…Qa5 — 19.9% (368 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
1974 — Lundin, Erik vs Ek, Hans — 1-0 — Eksjo SWE
1974 — Bilek, Istvan vs Akvist, Hakan — 1/2-1/2 — Eksjo SWE

8…Qc7 — 16.3% (301 parties)

1954 — Pirc, Vasja vs Fuderer, Andrija — 1-0 — Zagreb CRO
1955 — Franolic Dubravko vs Larsen, Bent — 0-1 — Zagreb Young Masters
1958 — Chalabi Edgard vs Heidenfeld, Wolfgang — 1-0 — Munich GER
1959 — Herink, Miroslav vs Jansa, Vlastimil — 0-1 — Cerveny Kostelec
1960 — Ujtelky, Maximilian vs Alster, Ladislav — 1/2-1/2 — Ostrava CZE

8…a5 — 10.7% (198 parties)

1974 — Neckar, Lubomir vs Paehtz, Thomas — 1-0 — Zinnowitz GER
1974 — Pfleger, Helmut, Dr. vs Cox, David — 1/2-1/2 — Nice olm prel
1975 — Gruenberg, Hans-Ulrich vs Paehtz, Thomas — 1/2-1/2 — Stralsund GER
1977 — Kaakinen Erkki vs Aaltio, Erkki — 1-0 — FI ch tt corr
1977 — Footner, John Kenneth vs Nutku, Ulug — 1-0 — CCOL9 prel corr

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● e7
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● g6→f5, b7→c6, e7→d6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● f4 (2v0), ● g5 (2v0)	● e4 (2v1), ● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c6-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5, ● …f5-f4

Partie
1958 Munich olm fin-C – Round 11 – Chalabi Edgard – 1-0 – Heidenfeld, Wolfgang – G30 1. c4 f5 2. d4 Nf6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nc3 d6 7. O-O c6 8. b3 Qc7 9. Qc2 e5 10. dxe5 dxe5
1959 Cerveny Kostelec – Round 2 – Herink, Miroslav – 0-1 – Jansa, Vlastimil – G3 1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 c6 5. c4 g6 6. Nc3 Bg7 7. O-O O-O 8. b3 Qc7 9. Bb2 e5 10. e3 h6
1960 CSR Ch – Round 4 – Ujtelky, Maximilian – 1/2-1/2 – Alster, Ladislav – G28 1. c4 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. d4 c6 7. O-O O-O 8. b3 Qc7 9. Bb2 e5 10. d5 c5
1961 GBR Ch 48th – Round 11.11 – Ansell, Jeffrey – 1/2-1/2 – Wood, Baruch – G84 1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. d4 Bg7 5. Nf3 d6 6. Nc3 O-O 7. O-O c6 8. b3 Qc7 9. Qc2 e5 10. dxe5 dxe5
1962 Olympiad Varna BUL – Round 9 – Vinje, Arne – 0-1 – Liebert, Heinz – G51 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. b3 h6 9. Bb2 g5 10. d5 e5
1962 Stockholm – Round 1 – Soderborg, Berndt – 1-0 – Nilsson, Zandor – G10 1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 O-O 6. Nc3 d6 7. d4 c6 8. b3 Qc7 9. Bb2 e5 10. dxe5 dxe5
1965 Leipzig Inter-1 – Round 14 – Golz, Werner – 0-1 – Liberzon, Vladimir M – G51 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. b3 Nbd7 9. Qc2 e5 10. dxe5 dxe5
1966 Reykjavik – Round 1 – Book, Eero – 0-1 – Palmason, Gudmundur – G4 1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 g6 5. O-O Bg7 6. c4 O-O 7. Nc3 c6 8. b3 Qc7 9. Bb2 Na6 10. Rc1 Bd7
1966 Rio Hondo zt – Round 3 – Alencastre Miranda, Moises – 1/2-1/2 – Pelikan, Jan – G3 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 c6 6. Nf3 d6 7. O-O O-O 8. b3 e5 9. dxe5 dxe5 10. e4 Qxd1
Baku FIDE Grand Prix 2014 – Round 8.3 – Gelfand, Boris – 1/2-1/2 – Nakamura, Hikaru – G45 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 d6 6. Nf3 O-O 7. O-O c6 8. b3 a5 9. Bb2 Na6 10. Rc1 Bd7
Linares 1989 – Round 1 – Karpov, Anatoly – 1-0 – Jussupow, Artur – G1 1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 d6 6. Nf3 O-O 7. O-O c6 8. b3 Qc7 9. Ba3 a5 10. Rc1 Na6
Makedonia Palace GP 2013 – Round 7.3 – Kasimdzhanov, Rustam – 0-1 – Kamsky, Gata – G35 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. b3 a5 9. Bb2 Na6 10. d5 Bd7
Moscow Tal Memorial 7. Blitz 2012 – Round 6 – Aronian, Levon – 1/2-1/2 – Nakamura, Hikaru – G20 1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. b3 Qc7 9. Ba3 Re8 10. Qc1 a5
Tal Memorial Blitz 2014 – Round 9.2 – Karjakin, Sergey – 0-1 – Nepomniachtchi, Ian – G50 1. Nf3 g6 2. d4 f5 3. c4 Nf6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. O-O c6 8. b3 a5 9. Bb2 Qc7 10. Qc2 e5
Zurich SUI, 4. CC Blitz 2015 – Round 2.3 – Karjakin, Sergey – 0-1 – Caruana, Fabiano – G6 1. Nf3 g6 2. c4 Bg7 3. d4 f5 4. Nc3 Nf6 5. g3 O-O 6. Bg2 d6 7. O-O c6 8. b3 Qc7 9. Ba3 Ne4 10. Bb2 Nxc3

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