Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c6
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	● aile dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● g4 (2v0), ● d5 (3v1), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (3v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
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	● d4-d5	● …c6-c5, ● …e7-e5

D78f — Neo-Gruenfeld, 6.O-O c6 7.Nc3 dxc4

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nc3 dxc4 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Ne5 (Cavalier centralisé en e5 — 37 % des parties) ; a4 (29 % des parties) ; e4 (Occuper le centre — 24 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Be6 (Fou actif (mobilité 6), Développer c8 — 20 % des parties) ; ...Ng4 (14 % des parties) ; ...Nbd7 (Développer b8 — 14 % des parties) ; ...Na6 (Développer b8 — 10 % des parties) ; ...b5 (Expansion aile dame — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1929 World Championship 14th – Round 7 – Alekhine, Alexander – 1-0 – Bogoljubow, Efim – G7 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. Ne5 Be6 9. e4 Nbd7 10. f4 Qb6
1935 Warsaw olm – Round 11 – Reilly, Brian – 0-1 – Alekhine, Alexander – G39 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d5 6. Nc3 dxc4 7. O-O c6 8. Ne5 Be6 9. e4 Nfd7 10. Nxd7 Qxd7
1943 Mar del Plata – Round 9 – Iliesco, Juan – 1-0 – Fenoglio, Virgilio – G67 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nc3 dxc4 8. Qc2 Nd5 9. Rd1 Na6 10. e4 Ndb4
1945 Novi Sad – Round 15 – Popovic, Zarko – 1/2-1/2 – Gligorić, Svetozar – G148 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 dxc4 6. Bg2 O-O 7. O-O c6 8. a4 Na6 9. e3 Nd7 10. Qe2 e5
1946 Londen II – Round 8 – Denker, Arnold S – 1/2-1/2 – Lupi, Francisco – G18 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 c6 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. d5 cxd5
1946 POL Ch – Round 1 – Pytlakowski, Andrzej – 0-1 – Tarnowski, Alfred – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nc3 O-O 7. O-O dxc4 8. Ne5 Ng4 9. f4 Nh6 10. e3 Be6
1946 Tbilisi – Round 15 – Petrosian, Tigran V – 1/2-1/2 – Keres, Paul Petrovich – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g3 Bg7 5. Bg2 dxc4 6. Nf3 O-O 7. O-O c6 8. Ne5 Be6 9. e4 Na6 10. Be3 Ne8
1948 Saltsjobaden Interzonal – Round 19 – Ragozin, Viacheslav – 1/2-1/2 – Boleslavsky, Isaac – G173 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. Nc3 dxc4 8. Bf4 Nd5 9. Be5 f6 10. Bxb8 Rxb8
1949 Grossroehrsdorf – Round 3 – Kahn, Manfred – 0-1 – Grosser, Wilhelm – G2 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. Ne5 Be6 9. e4 Nbd7 10. f4 Nb6
1951 Marianske Lazne zt – Round 10 – Barda, Olaf – 1/2-1/2 – Sajtar, Jaroslav – G101 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. a4 a5 9. e4 Na6 10. Qe2 Be6
1952 Liberation – Round 1 – Udovcic, Tibor – 1/2-1/2 – O'Kelly de Galway, Alberic – G18 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d4 O-O 6. c4 c6 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. d5 cxd5
1953 GDR Ch – Round 3 – Elstner, Rudolf – 1-0 – Heinrich Karl – G9 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 c6 5. O-O O-O 6. c4 d5 7. Nc3 dxc4 8. Ne5 Be6 9. e4 Qc8 10. Qe2 Rd8
1953 Mar del Plata – Round 1 – Burgalat, Francisco J – 0-1 – Cuellar Gacharna, Miguel – G20 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nc3 c6 6. Nf3 O-O 7. O-O dxc4 8. Qc2 Na6 9. Rd1 Nb4 10. Qb1 Nfd5
1956 URS Ch sf – Round ? – Zilber, Israel – 1-0 – Osnos, Viatcheslav – G14 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d5 5. g3 O-O 6. Bg2 dxc4 7. O-O c6 8. a4 Na6 9. e3 Nb4 10. Ne5 Bf5
1957 WchT U26 04th – Round 4.2 – Palmason, Gudmundur – 0-1 – Ravn, Palle – G46 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. e4 Nfd7 9. Be3 b5 10. Qc1 Nb6
1960 AUS Ch – Round 8.3 – Koshnitsky, Gregory – 1-0 – Viner, Phillip – G37 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d5 7. Nc3 dxc4 8. e4 Nbd7 9. Qe2 Nb6 10. Rd1 h6
1961 Belgrade – Round 1 – Velimirovic, Dragoljub – 0-1 – Pavlenko, Oleg – G38 1. Nf3 d5 2. g3 Nf6 3. c4 c6 4. Bg2 g6 5. O-O Bg7 6. d4 O-O 7. Nc3 dxc4 8. a4 a5 9. h3 Nfd7 10. e4 e5
1964 US Open – Round ? – Lombardy, William J – 1-0 – Formanek, Edward – G12 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. d4 Nf6 6. O-O O-O 7. Nc3 dxc4 8. a4 Na6 9. a5 Nc7 10. h3 Be6
1965 Zagreb – Round 13 – Udovcic, Mijo – 0-1 – Filip, Marius Liviu – G131 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 dxc4 6. O-O O-O 7. Nc3 c6 8. a4 a5 9. e4 Nfd7 10. Qe2 Nb6
1966 Yugoslavia – Round 1 – Nemet, Ivan – 0-1 – Milic, Borislav – G22 1. Nf3 d5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. d5 cxd5
1968 Cardenas/Matanzas/Santa Clara – Round 2 – Rossetto, Hector – 1-0 – Ader Hausman, Walter – G11 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nc3 dxc4 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nfd7
SuperUnited Blitz 2022 – Round 7.2 – Carlsen, Magnus – 1-0 – Mamedyarov, Shakhriyar – G32 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Nc3 dxc4 8. e4 b5 9. Qe2 Ba6 10. a3 Bb7
SuperUnited Blitz 2022 – Round 9.1 – Carlsen, Magnus – 1-0 – Saric, Ivan – G41 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O dxc4 7. Nc3 O-O 8. e4 b5 9. Qe2 Na6 10. Rd1 Nb4
World Blitz 2022 – Round 18.38 – Tabatabaei Bafghi, Mohammad – 1-0 – Ghaem Maghami, Ehsan – G966 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O c6 6. c4 O-O 7. Nc3 dxc4 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5

D78f —

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nc3 dxc4

Les coups candidats

8.Ne5 — 39.2% (734 parties)

Ambassadeurs : Mudrak, Josef (4x), Kverndal, Leif (3x), Goetzee, R. W.. (3x), Krings, Christoph (2x), Hoffmann, Matthias (2x), Sachs, Gulnara (2x), Cvitan, Ognjen (2x), Sharma, Lalgopal (2x)

8.a4 — 28.4% (531 parties)

Ambassadeurs : Stupak, Leonid K (7x), Matnadze Bujiashvili, Ann (5x), Mozny, Milos (3x), Garnett, John S (3x), Zhao, Yuanhe (3x), Rupp, Claus (2x), Heinatz, Gundula, Dr. (2x), Pardo, Alejandro (2x)

8.e4 — 22.9% (429 parties)

Ambassadeurs : Mudrak, Josef (4x), Beydullayeva, Govhar (4x), De Fotis, Gregory (3x), Bagaturov, Giorgi (3x), Viner, Phillip (2x), Runowiecki, Tadeusz (2x), Svoboda, Milos (2x), Leite, Denis Moreira (2x)

8.h3 — 2.9% (54 parties)

Ambassadeurs : Romanishin, Oleg M (3x), Anand, Viswanathan (3x), Bekker-Jensen, David (2x), Sekulic, Dusan (2x), Alvarez Alvarez Jair (1x), Estrada, Walter (1x), Herrmann, Ludwig (1x), Koch, Berthold (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Ne5	8.a4	8.e4	8.h3
<1800	128	39%	29%	18%	1%
1800-2200	952	46%	29%	16%	3%
2200-2600	580	29%	29%	32%	4%
2600+	25	8%	4%	76%	12%

Évolution par décennie (% des parties)

Décennie	N parties	8.Ne5	8.a4	8.e4	8.h3
1950s	14	29%	36%	7%	7%
1960s	28	43%	25%	29%	4%
1970s	23	43%	22%	26%	4%
1980s	47	40%	34%	19%	2%
1990s	247	45%	26%	16%	4%
2000s	400	50%	26%	14%	5%
2010s	719	40%	33%	18%	2%
2020s	393	23%	24%	46%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Ne5	40%	23%	▼ -16.8%
8.a4	33%	24%	▼ -8.5%
8.e4	18%	46%	▲ +28.6%
8.h3	2%	1%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Ju, Wenjun — 1 partie

Parties historiques

8.Ne5 — 39.2% (734 parties)

1950 — Cala, Adrian vs Nestler, Daniel — 1/2-1/2 — Venice ITA
1952 — Udovcic, Mijo vs O'Kelly de Galway, Alberic — 1/2-1/2 — Belgrade SRB
1953 — Elstner, Rudolf vs Heinrich, Karl — 1-0 — Jena GER
1956 — Nei, Iivo vs Sokolsky, Alexey — 1-0 — Tallinn EST
1962 — Reilly, Brian Patrick vs Sakhalkar, Suresh — 1/2-1/2 — Varna BUL

8.a4 — 28.4% (531 parties)

1950 — Hromada, Vaclav vs Herink, Miroslav — 1/2-1/2 — Chocen
1951 — Barda, Olaf vs Sajtar, Jaroslav — 1/2-1/2 — Marianske Lazne zt
1953 — Hartung, Karl Heinz vs Reichenbach, Werner — 0-1 — Brandenburg/Havel
1956 — Zilber, Israel vs Osnos, Viatcheslav — 1-0 — Leningrad RUS
1959 — Fricker, Arthur vs Norcia, Fabrizio — 0-1 — Imperia

8.e4 — 22.9% (429 parties)

1957 — Palmason, Gudmundur vs Ravn, Palle — 0-1 — Reykjavik ISL
1960 — Koshnitsky, Gregory vs Viner, Phillip — 1-0 — Adelaide AUS
1963 — Milicevic, Dragoljub vs Nikolic, Branko — 1-0 — cr C-2000
1966 — Reshko, Aron vs Alexander G — 1/2-1/2 — Moscow RUS
1967 — Szekely, Sandor vs Vecsey, Dr. Zoltan — 0-1 — Hungary CCC-8

8.h3 — 2.9% (54 parties)

1950 — Herrmann, Ludwig vs Koch, Berthold — 0-1 — Soemmerda ch GDR
1968 — Alvarez Alvarez Jair vs Estrada, Walter — 1/2-1/2 — ch URU
1973 — Muniz Vicente, Juan Luis vs Nieto Miguez, Manuel — 1-0 — Teesside ENG
1987 — Prentos, Konstantinos vs Mastoras, Ilias — 1-0 — Leukos Pyrgos
1990 — Kopec, Danny vs Braulio, Mendes — 1-0 — ?

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