D78l — Neo-Gruenfeld, 6.O-O c6 7.Nbd2 Nbd7

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nbd2 Nbd7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e5, paire de fous.
Faiblesses adverses : 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, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D78l — Neo-Gruenfeld

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nbd2 Nbd7

Eval: [+0.21]

Les coups candidats

8.b3 — 61.2% (438 parties)

Ambassadeurs : Jirovsky, Pavel (4x), Csom, Istvan (3x), Neckar, Lubomir (3x), Kuich, Gero (3x), Vajda, Attila (3x), Stoltz, Gosta (2x), Kengis, Edvins (2x), Ponfilenok, Vladimir (2x)

8.Qc2 — 19.4% (139 parties)

Ambassadeurs : Bilek, Istvan (3x), Speelman, Jon S (2x), Bruckner, Guenther (1x), Palme, Rudolf (1x), Menchik, Vera (1x), Mallison, Harold Vincent (1x), Di Camillo, Attilio (1x), Kramer, George (1x)

8.Re1 — 6.0% (43 parties)

Ambassadeurs : Luckis, Marcos (1x), Liebstein, Arturo (1x), Zizda, Joe (1x), Brow, Dr (1x), Bialas, Wolfram (1x), Kramer, Haije (1x), Angel Gomez, William (1x), Alvarez Garcia, Norberto Vidal (1x)

8.cxd5 — 4.3% (31 parties)

Ambassadeurs : Naxakis, Theodoros (2x), Poljak, Srebrenka (1x), Moiseev, Oleg (1x), Braeu, Emmi (1x), Schumacher, Ursula (1x), Luther, Juergen (1x), Katz, Roland (1x), Garcia Winkler, Alejandro (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.b3	8.Qc2	8.Re1	8.cxd5
<1800	28	36%	29%	11%	11%
1800-2200	354	62%	18%	8%	3%
2200-2600	163	71%	17%	2%	4%
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.b3	8.Qc2	8.Re1	8.cxd5
1930s	5	80%	20%	—	—
1940s	7	57%	29%	14%	—
1950s	15	60%	33%	—	7%
1960s	18	44%	39%	11%	—
1970s	17	76%	12%	—	—
1980s	24	67%	33%	—	—
1990s	113	59%	18%	4%	9%
2000s	202	59%	18%	6%	6%
2010s	266	62%	18%	8%	3%
2020s	49	69%	20%	6%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.b3	62%	69%	▲ +7.7%
8.Qc2	18%	20%	▲ +2.4%
8.Re1	8%	6%	▼ -1.8%
8.cxd5	3%	2%	▼ -0.6%

Parties historiques

8.b3 — 61.2% (438 parties)

1931 — Flohr, Salo vs Stoltz, Gosta — 1/2-1/2 — Goteborg SWE
1936 — Arturo N vs Matrangolo, C. — 0-1 — Argentina
1938 — Kupchik, Abraham vs Morton, Harold — 0-1 — New York, NY USA
1939 — Poliak, Evsey vs Konstantinopolsky, Alexander — 1-0 — Dnipropetrovsk
1940 — Kashdan, Isaac vs Seidman, Herbert — 1-0 — New York, NY USA

8.Qc2 — 19.4% (139 parties)

1936 — Menchik, Vera vs Mallison, Harold Vincent — 1/2-1/2 — Nottingham ENG
1946 — Di Camillo, Attilio vs Kramer, George — 1-0 — USA-ch New York, NY USA
1948 — Bruckner, Guenther vs Palme, Rudolf — 1-0 — Bad Gastein
1950 — Aguilar Flores, Renata Camila vs Johansson, Ingemar 1966 — 1/2-1/2 — Dubrovnik olm
1951 — Palomaa, Vilho vs Poulsen, Christian — 1/2-1/2 — Beverwijk NED

8.Re1 — 6.0% (43 parties)

1944 — Luckis, Marcos vs Liebstein, Arturo — 0-1 — Mar del Plata ARG
1960 — Bialas, Wolfram vs Kramer, Haije — 1-0 — Leipzig GER
1961 — Zizda, Joe vs Brow, Dr — 1-0 — Monterey Park. CA
1994 — Guillermo Casocobos vs Rodriguez Antuna, Ruben Angel — 1-0 — Asturias
1995 — Sutmuller, Jos vs Van Amerongen-Jansen, Peggy — 1-0 — ?

8.cxd5 — 4.3% (31 parties)

1954 — Poljak, Srebrenka vs Moiseev, Oleg — 1-0 — Riga LAT
1990 — Garcia Winkler, Alejandro vs Bendel, Ralf — 1/2-1/2 — Wurtemberg
1991 — Gill, Katrin vs Seils, Gudula — 0-1 — R Berlin-Guben
1991 — Glaser, Andrea vs Mueller-Ludwig, Kristin — 1/2-1/2 — GER
1993 — Aidan George Wilson vs Cassar Manghi, Paolo — 1-0 — BCCC

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● c6→d5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v1)	● d5 (2v1), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5	● …c6-c5, ● …e7-e6, ● …e7-e5

Partie
1938 USA Ch – Round 14 – Kupchik, Abraham – 0-1 – Morton, Harold – G40 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nd2 Bg7 6. Ngf3 O-O 7. O-O Nbd7 8. b3 e5 9. dxe5 Ng4 10. cxd5 cxd5
1940 New York ch-USA – Round 3 – Kashdan, Isaac – 1-0 – Seidman, Herbert – G13 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Nbd2 Nbd7 8. b3 e5 9. dxe5 Ng4 10. cxd5 cxd5
1942 Munich – Round 11 – Stoltz, Gosta – 1/2-1/2 – Richter, Kurt – G69 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. Nbd2 Nbd7 7. c4 c6 8. b3 c5 9. Bb2 cxd4 10. Nxd4 dxc4
1944 Mar del Plata – Round 8 – Luckis, Marcos – 0-1 – Liebstein, Arturo – G67 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 Nbd7 7. O-O O-O 8. Re1 Re8 9. e4 dxe4 10. Nxe4 Nxe4
1946 USA Ch New York, NY USA – Round 1 – Di Camillo, Attilio – 1-0 – Kramer, George – G59 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nbd2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 Re8 9. cxd5 cxd5 10. b3 Nb6
1952 POL-ch10 – Round 5 – Plater, Kazimierz – 1/2-1/2 – Makarczyk, Kazimierz – G31 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. b3 c5 9. Bb2 cxd4 10. Bxd4 Re8
1953 Hastings ch-BCF – Round 7 – Boxall, RF. – 1-0 – Abrahams, Gerald – G61 1. d4 d5 2. g3 Nf6 3. Nf3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nbd2 Nbd7 8. b3 Re8 9. Bb2 Nf8 10. Re1 Ne4
1954 CSR Ch – Round 7 – Weiner, Milan – 1/2-1/2 – Ujtelky, Maximilian – G58 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d4 O-O 6. Nbd2 Nbd7 7. c4 c6 8. b3 a5 9. a4 h6 10. Ba3 Ne4
1954 URS Team Ch – Round 7 – Poljak, Srebrenka – 1-0 – Moiseev, Oleg – G111 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Nbd2 Nbd7 8. cxd5 cxd5 9. b3 b5 10. Bb2 Qb6
1955 Clare Benedict Cup – Round 3.2 – Szabados, Eugenio – 0-1 – Blau, Max – G20 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Nbd7 5. d4 g6 6. Nbd2 Bg7 7. c4 O-O 8. b3 a5 9. a3 Qb6 10. Qc2 Ne4
1957 Reykjavik – Round 4 – Palmason, Gudmundur – 1-0 – Johannesson, Bjorn – G29 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nbd2 Nbd7 8. b3 Re8 9. Bb2 Nh5 10. e4 dxc4
1960 Leipzig olm fin-A – Round 11 – Bialas, Wolfram – 1-0 – Kramer, Haije – G205 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nbd2 Nbd7 8. Re1 Re8 9. h3 Ne4 10. cxd5 cxd5
1961 FRG Ch – Round 10 – Bialas, Wolfram – 1-0 – Kohl, Andreas – G12 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O Nbd7 5. d4 g6 6. Nbd2 Bg7 7. c4 O-O 8. b3 h6 9. Bb2 Nb6 10. Ne5 Be6
1962 Lasker Memorial Berlin-Ost – Round 14 – Uhlmann, Wolfgang – 1-0 – Raetsch, Heinz – G65 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 Bg7 5. Bg2 O-O 6. O-O d5 7. Nbd2 Nbd7 8. b3 Re8 9. Bb2 Nf8 10. Re1 Ne4
1964 EU Team Ch sf – Round 2.6 – Maedler, Juergen, Dr. – 0-1 – Soos, Bela – G26 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nbd2 c6 7. c4 Nbd7 8. b3 a5 9. a4 Re8 10. Bb2 Qb6
1965 Leipzig Inter-1 – Round 1 – Uhlmann, Wolfgang – 1/2-1/2 – Hennings, Artur – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 Re8 9. e4 dxe4 10. Nxe4 Nxe4
1966 CSR Ch Int 1st – Round 15 – Bilek, Istvan – 1/2-1/2 – Malich, Burkhard, Dr. – G90 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 c6 6. Nbd2 O-O 7. c4 Nbd7 8. Qc2 Re8 9. cxd5 cxd5 10. b3 b6
1966 Hoogovens 28th – Round 7 – Van Scheltinga, Theo – 1-0 – Bachtiar, Ahmad Ina – G21 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d5 6. O-O c6 7. Nbd2 Nbd7 8. Qc2 Nb6 9. c5 Nbd7 10. b4 a5
1966 La Habana olm prel – Round 6 – Olafsson, Fridrik – 1/2-1/2 – Gligorić, Svetozar – G222 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 Bg7 5. Bg2 O-O 6. O-O d5 7. Nbd2 Nbd7 8. Qc2 Nb6 9. c5 Nbd7 10. b3 Nb8
1967 Sousse Interzonal – Round 8 – Bilek, Istvan – 1/2-1/2 – Matanovic, Aleksandar – G77 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 c6 6. c4 d5 7. Nbd2 Nbd7 8. Qc2 Re8 9. Rd1 Nb6 10. c5 Nbd7
1968 Glasgow Invitation 7th – Round 2 – Golombek, Harry – 1/2-1/2 – McAlpine, Kenneth B – G3 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d5 7. Nbd2 Nbd7 8. Qc2 Re8 9. Rd1 Qb6 10. e4 Nxe4
World Blitz 2015 – Round 2.59 – Edouard, Romain – 1-0 – Petursson, Margeir – G119 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. b3 c5 9. Bb2 dxc4 10. Nxc4 Rb8
World Rapid 2021 – Round 3.51 – Socko, Bartosz – 1-0 – Costachi, Mihnea – G177 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nbd2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Nbd7 8. b3 a5 9. Bb2 a4 10. Qc2 Qa5

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