Archives des D78a - 6…c6 - Neo-Gruenfeld [+0.18]

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D78a — Neo-Gruenfeld

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

Eval: [+0.18]

Les coups candidats

Ambassadeurs : Uhlmann, Wolfgang (17x), Yandemirov, Valeri (17x), Abramovic, Bosko (14x), Kirov, Nino (13x), Koehler, Josef (12x), Csom, Istvan (11x), Morcin, Tom (10x), Sepp, Olav (10x)

7.Nc3 — 16.3% (2385 parties) →

Ambassadeurs : Eckhardt, Claudia (16x), Matnadze Bujiashvili, Ann (16x), Piesik, Piotr (10x), Semmler, Guenter (7x), Schulz, Waldemar (5x), Beydullayeva, Govhar (5x), Korley, Kassa (4x), De Fotis, Gregory (3x)

7.b3 — 16.0% (2329 parties) →

Ambassadeurs : Nikolic, Predrag (16x), Drasko, Milan (16x), Dizdar, Goran (11x), Blagojevic, Dragisa (8x), Ivkov, Borislav (7x), Clemens, Christian, Dr. (7x), Calotescu, Ana-Cristina (6x), Svidler, Peter (6x)

7.Qb3 — 11.9% (1731 parties) →

Ambassadeurs : Loginov, Valery A (17x), Dreev, Aleksey (14x), Goldin, Alexander (9x), Movsziszian, Karen (9x), Sasikiran, Krishnan (9x), Weiss, Michael (8x), Tregubov, Pavel V. (8x), Luong Phuong Hanh (8x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.cxd5	7.Nc3	7.b3	7.Qb3
<1800	370	33%	34%	12%	5%
1800-2200	5284	33%	25%	16%	8%
2200-2600	6445	40%	8%	16%	16%
2600+	546	25%	3%	20%	25%

Évolution par décennie (% des parties)

Décennie	N parties	7.cxd5	7.Nc3	7.b3	7.Qb3
1920s	5	—	40%	20%	40%
1930s	27	56%	7%	4%	15%
1940s	43	23%	35%	5%	7%
1950s	159	42%	13%	13%	9%
1960s	265	34%	11%	18%	9%
1970s	354	43%	8%	15%	4%
1980s	510	53%	12%	6%	6%
1990s	2128	40%	18%	17%	9%
2000s	2823	43%	20%	12%	8%
2010s	5740	33%	17%	18%	15%
2020s	2535	32%	12%	19%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.cxd5	33%	32%	▼ -1.0%
7.Nc3	17%	12%	▼ -4.9%
7.b3	18%	19%	▲ +0.8%
7.Qb3	15%	13%	▼ -2.6%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Kramnik, Vladimir — 9 parties
Carlsen, Magnus — 7 parties
Smyslov, Vladimir — 5 parties
Karpov, Anatoly — 5 parties
Kasparov, Garry — 3 parties
Euwe, Max — 2 parties
Anand, Viswanathan — 2 parties
Karpov, Aleksandr — 2 parties
Alekhine, Alexander — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

7.cxd5 — 36.5% (5327 parties)

1930 — Fernandez Coria, Valentin vs Gama Avila, Arnulfo Antonio — 0-1 — radiomatch
1932 — Reshevsky, Samuel vs Reinfeld, Fred — 0-1 — Pasadena, CA USA
1933 — Cross, Alfred Rupert Neale vs Ellison, Wallace Daykin — 1-0 — City of London CC
1936 — Friedmann Henryk vs Hamming, Alexander W — 1-0 — Munich GER
1936 — Frydman, Paulino vs Richter, Kurt P — 1-0 — Munich GER

7.Nc3 — 16.3% (2385 parties)

1923 — Zimmermann, Otto vs Maier, Adrian — 1/2-1/2 — Bern SUI
1929 — Alekhine, Alexander vs Bogoljubow, Efim — 1-0 — Deutschland/Niederlande
1938 — Vasiliev, Viktor A vs Mazel, Isaak Y — 0-1 — Leningrad RUS
1939 — Pelikán, Jiří vs Golombek, Harry — 1-0 — Buenos Aires ARG
1942 — Koltanowski, George vs White, Scott — 1-0 — Denver simul

7.b3 — 16.0% (2329 parties)

1928 — Bogoljubow, Efim vs Euwe, Max — 1-0 — The Netherlands
1931 — Goglidze, Viktor vs Yudovich, Mikhail M — 0-1 — Moskou ch-URS
1941 — Santasiere, Anthony vs Reshevsky, Samuel — 1/2-1/2 — Hamilton
1949 — Pirc, Vasja vs Tot, Bora — 1-0 — Zagreb CRO
1950 — Pirc, Vasja vs Najdorf, Miguel — 1/2-1/2 — Amsterdam NED

7.Qb3 — 11.9% (1731 parties)

1922 — Koenig, Imre vs Gruenfeld, Ernst — 0-1 — Vienna AUT
1923 — Rubinstein, Akiba vs Gruenfeld, Ernst — 1/2-1/2 — Maehrisch Ostrau
1934 — Heinicke, Herbert vs Krause, Kurt — 1-0 — Aachen GER
1939 — Friedemann, Gunnar vs De Ronde, Christiaan — 1-0 — Buenos Aires ARG
1939 — Konstantinopolsky, Alexander vs Reshevsky, Samuel — 1-0 — Leningrad RUS

Partie
1936 Hastings3637 – Round 9 – Menchik, Vera – 1/2-1/2 – Feigin, M. – G43 1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 g6 5. O-O Bg7 6. d4 O-O 7. Bf4 dxc4 8. Qc1 Be6 9. Nbd2 Nd5 10. Bxb8 Rxb8
1951 Buenos Aires – Round 1 – Shocron, Ruben – 1-0 – Rebizzo, Cayetano – G17 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O c6 6. c4 O-O 7. Bf4 h6 8. Qc1 Kh7 9. Rd1 Be6 10. Nbd2 Nbd7
FIDE World Championship Match 2024 – Round 7 – Gukesh D – 1/2-1/2 – Ding Liren – G7 1. Nf3 d5 2. g3 g6 3. d4 Bg7 4. c4 c6 5. Bg2 Nf6 6. O-O O-O 7. Re1 dxc4 8. e4 Bg4 9. Nbd2 c5 10. d5 e6
FIDE World Cup 2019 – Round 1.1 – Cordova, Emilio – 0-1 – Dubov, Daniil – G6 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. O-O d5 6. d4 O-O 7. a4 Bf5 8. Na3 Be4 9. b3 Na6 10. Bb2 Nb4
FIDE World Cup 2019 – Round 3.6 – Tomashevsky, Evgeny – 1-0 – Nepomniachtchi, Ian – G350 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. a4 Na6 8. Na3 Bf5 9. Bf4 Be4 10. Qb3 Qb6
Levitov Chess Week Rapid 2023 – Round 18.4 – Mamedyarov, Shakhriyar – 1-0 – Svidler, Peter – G89 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. a4 a5 8. cxd5 cxd5 9. Qb3 Nc6 10. Na3 Ne4
Levitov Chess Week Rapid 2023 – Round 9.1 – Mamedyarov, Shakhriyar – 1/2-1/2 – Dubov, Daniil – G41 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. a4 a5 8. cxd5 cxd5 9. Qb3 Nc6 10. Na3 Ne4
World Blitz 2019 – Round 1.37 – Adly, Ahmed – 0-1 – Antipov Olano, Maxim – G30 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. O-O O-O 6. d4 d5 7. a4 Be6 8. Na3 a5 9. Qb3 Na6 10. Ng5 dxc4
World Blitz 2019 – Round 18.16 – Mamedyarov, Shakhriyar – 1-0 – Paravyan, David – G1196 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. a4 Be6 8. Ng5 Bf5 9. b3 c5 10. Bb2 cxd4
World Blitz 2019 – Round 4.23 – Adly, Ahmed – 1-0 – Aravindh, Chithambaram VR. – G247 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. a4 a5 8. Na3 Na6 9. cxd5 Nxd5 10. e4 Nb6
World Blitz 2022 – Round 5.11 – Mamedyarov, Shakhriyar – 1-0 – Ivic, Velimir – G235 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 d5 5. Bg2 Bg7 6. O-O O-O 7. a4 a5 8. cxd5 cxd5 9. Qb3 Nc6 10. Bf4 Nh5
World Blitz 2022 – Round 6.3 – Martirosyan, Haik M. – 0-1 – Giri, Anish – G304 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. a4 a5 8. Bf4 Na6 9. cxd5 cxd5 10. Nc3 Bf5