D77l — Neo-Gruenfeld, 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 Be6 9.b3 Bd5

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 Be6 9.b3 Bd5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte c4.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes f4, e5 et g5, un avant-poste en c4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en g7 et un mauvais fou en d5.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Exploiter la case forte e4….

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes e4 et d5, un fou actif en d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c1 et g2.

Plans. ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (3v1), ● g5 (2v0)	● e4 (2v0), ● d5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (3v1)	● d5 (2v0), ● e4 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Enfermé (mob. 2)
Bd5		● Bd5 Actif (mob. 4)
Bg7		● Bg7 Enfermé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	1 (● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e2-e3	● …e7-e6, ● …e7-e5

Partie
1949 CZE-AUT Prague CZE – Round 1 – Mueller, Hans – 1/2-1/2 – Sajtar, Jaroslav – G8 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1949 Oldenburg – Round 16 – Rellstab, Ludwig – 1-0 – Heinicke, Herbert – G64 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1951 Augsburg – Round 2 – Nuernberg, Friedrich – 0-1 – Heinicke, Herbert – G13 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Nf3 O-O 5. Bg2 d5 6. O-O dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1954 Amsterdam olm – Round 1 – Barcza, Gedeon – 1-0 – Panno, Oscar – G164 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. d4 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1954 Amsterdam olm – Round 1 – Vaitonis, Povilas – 1/2-1/2 – Milev, Zdravko – G70 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1954 Olympiad prel II – Round 1 – Bolbochan, J. – 1/2-1/2 – Filip, Marius Liviu – G23 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d5 6. d4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Ba3 a5
1955 Gothenburg Interzonal – Round 3 – Ilivitsky, Georgy A – 1/2-1/2 – Szabo, Laszlo – G24 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. O-O dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1955 Moscow RUS – Round 13 – Simagin, Vladimir – 1-0 – Ghionzoli Soloviev, Leonardo – G9 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1958 Clare Benedict Cup 05th – Round 4 – Blau, Max – 0-1 – Schmid, Lothar – G30 1. Nf3 d5 2. g3 g6 3. d4 Bg7 4. Bg2 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Qc8
1958 Munich olm prel – Round 1 – Dunkelblum, Arthur – 0-1 – Blau, Max – G10 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. d4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1961 Mar del Plata – Round 8 – Filip, Marius Liviu – 1/2-1/2 – Najdorf, Miguel – G73 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. g3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. c4 dxc4 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Qc8
1961 ROM Ch – Round 6 – Soos, Bela – 1/2-1/2 – Gheorghiu, Florin – G38 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 dxc4 6. Na3 O-O 7. O-O Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1963 FRG Ch 07th – Round 14 – Clemens, Christian, Dr. – 1/2-1/2 – Unzicker, Wolfgang – G29 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Qc8
1963 Leningrad ch-URS – Round 1 – Spassky, Boris Vasily – 1/2-1/2 – Bronstein, David I – G64 1. d4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1964 Clare Benedict Cup 11th – Round 3 – Beni, Alfred – 1/2-1/2 – Unzicker, Wolfgang – G11 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Qc8
1964 Magdeburg – Round 7 – Maedler, Juergen, Dr. – 1-0 – Stahl, Franz – G28 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. Nbd2 Nc6 7. c4 dxc4 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1964 Tel Aviv olm prel – Round 7 – Camarena, Joaquin – 1/2-1/2 – Beni, Alfred – G248 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Qc8
1965 Belgrade – Round 11 – Flesch, János – 1/2-1/2 – Gheorghiu, Florin – G60 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1965 WchT U26 12. fin-A – Round 7 – Hort, Vlastimil – 1/2-1/2 – Gheorghiu, Florin – G41 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 dxc4 6. Na3 Nc6 7. Nxc4 O-O 8. b3 Be6 9. O-O Bd5 10. Bb2 a5
1969 Budapest – Round 1 – Barcza, Gedeon – 1/2-1/2 – Zaitsev, Alexander – G26 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. d4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1969 Monte Carlo – Round 1 – Hort, Vlastimil – 1/2-1/2 – Gheorghiu, Florin – G13 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1969 Moskou ch-URS – Round 1 – Zaitsev, Alexander – 0-1 – Kupreichik, Viktor D – G32 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
1969 Vrsac – Round 15 – Barcza, Gedeon – 1/2-1/2 – Byrne, Donald – G93 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. d4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 Qc8
1975 URS Team Ch – Round 1 – Slepoy, Yosef – 1/2-1/2 – Tseitlin, Mark D – G225 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5
Manila Interzonal 1976 – Round 3 – Panno, Oscar – 0-1 – Mecking, Henrique – G14 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d5 6. O-O dxc4 7. Na3 Nc6 8. Nxc4 Be6 9. b3 Bd5 10. Bb2 a5

D77l — Neo-Gruenfeld

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O dxc4 7.Na3 Nc6 8.Nxc4 Be6 9.b3 Bd5

Les coups candidats

10.Bb2 — 92.3% (712 parties)

Ambassadeurs : Banas, Jan (13x), Gheorghiu, Florin (11x), Unzicker, Wolfgang (5x), Panno, Oscar (4x), Gruen, Gerd-Peter (4x), Barcza, Gedeon (3x), Milev, Zdravko (3x), Clemens, Christian, Dr. (3x)

10.e3 — 6.2% (48 parties)

Ambassadeurs : Cosma, Elena-Luminita (3x), Cosma, Ioan (2x), Prohaszka, Peter (2x), Callergard, Robert (1x), Winge, Stefan (1x), Puc, Stojan (1x), Tarjan, James (1x), Kacirek, Petr (1x)

10.Ba3 — 1.2% (9 parties)

Ambassadeurs : Bolbochan, Julio (1x), Filip, Miroslav (1x), Bolbochan, J. (1x), Filip, Marius Liviu (1x), Mamedjarova, Zeinab (1x), Morchiashvili, Bachana (1x), Nikolic, Predrag (1x), Rowson, Jonathan (1x)

10.Ne3 — 0.3% (2 parties)

Ambassadeurs : Munos, Jean Marc Lucien Jose (2x), Lagunov, Evgenij (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Bb2	10.e3	10.Ba3	10.Ne3
<1800	7	86%	14%	—	—
1800-2200	105	90%	7%	1%	2%
2200-2600	560	92%	7%	1%	—
2600+	16	94%	6%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.Bb2	10.e3	10.Ba3	10.Ne3
1940s	2	100%	—	—	—
1950s	14	86%	—	14%	—
1960s	17	100%	—	—	—
1970s	52	98%	2%	—	—
1980s	39	97%	3%	—	—
1990s	119	95%	5%	—	—
2000s	256	91%	7%	2%	—
2010s	225	88%	9%	1%	1%
2020s	47	98%	2%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Bb2	88%	98%	▲ +9.4%
10.e3	9%	2%	▼ -7.2%
10.Ba3	1%	0%	▼ -1.3%
10.Ne3	1%	0%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 1 partie

Parties historiques

10.Bb2 — 92.3% (712 parties)

1949 — Rellstab, Ludwig vs Heinicke, Herbert — 1-0 — Oldenburg GER
1949 — Mueller, Hans vs Sajtar, Jaroslav — 1/2-1/2 — CZE-AUT Prague CZE
1950 — Agustsson, Gudmundur vs Kinnmark, Olof — 1/2-1/2 — Reykjavik ISL
1951 — Nuernberg, Friedrich vs Heinicke, Herbert — 0-1 — Augsburg GER
1954 — Vaitonis, Povilas vs Milev, Zdravko — 1/2-1/2 — Amsterdam NED

10.e3 — 6.2% (48 parties)

1978 — Puc, Stojan vs Tarjan, James — 1-0 — Maribor
1988 — Callergard, Robert vs Winge, Stefan — 1-0 — Stockholm SWE
1997 — Kacirek, Petr vs Novotny, Jachym — 1/2-1/2 — CZE
1998 — Ionescu, Constantin vs Zagorskis, Darius — 1/2-1/2 — Elista RUS
1999 — Dokutchaev, Alexander F. vs Strukov, Robert — 1/2-1/2 — Novgorod RUS

10.Ba3 — 1.2% (9 parties)

1954 — Bolbochan, Julio vs Filip, Miroslav — 1/2-1/2 — Amsterdam NED
1954 — Bolbochan, J. vs Filip, Marius Liviu — 1/2-1/2 — Amsterdam NED
2000 — Nikolic, Predrag vs Rowson, Jonathan — 1-0 — Istanbul TUR
2002 — Mamedjarova, Zeinab vs Morchiashvili, Bachana — 0-1 — Batumi GEO
2005 — Bottoni, Carlo vs Elias, Rivas Fernando — 1/2-1/2 — ?

10.Ne3 — 0.3% (2 parties)

2019 — Munos, Jean Marc Lucien Jose vs Lagunov, Evgenij — 0-1 — Bucharest ROU
2019 — Munos, Jean Marc Lucien Jose vs Lagunov, Evgenij — 0-1 — Bucharest ROU

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