Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● e6→d5, a7→b6, c7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (4v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Ok (mob. 2)
Bb7		● Bb7 Ok (mob. 3)
Be7		● Be7 Actif (mob. 4)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	2 (● b8, ● a8)

Sécurité du roi

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

Thèmes

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

E17t — Queen’s Indian: Euwe, 7…d5

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3 d5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. cxd5 (Capture en d5, Occuper le centre — 30 % des parties) ; Ne5 (Cavalier centralisé en e5 — 25 % des parties) ; Bb2 (Fianchetto, fou sur la grande diagonale — 21 % des parties) ; Nbd2 (Développer b1 — 12 % des parties) ; Nc3 (Développer b1 — 12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nbd7 (Développer b8 — 30 % des parties) ; ...c5 (Frapper le centre adverse — 16 % des parties) ; ...Na6 (Développer b8 — 9 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1927 Trebitsch Memorial 11th – Round 6 – Hoenlinger, Baldur – 1-0 – Takacs, Sandor – G15 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Be7 5. Bg2 O-O 6. O-O Bb7 7. b3 d5 8. cxd5 Nxd5 9. Bb2 Nd7 10. Nc3 c5
1940 New York ch-USA – Round 7 – Fine, Richard Alvaro Adrien – 1-0 – Seidman, Herbert – G33 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Bb2 c5 9. Nbd2 Nbd7 10. e3 Rc8
1942 Duras 60 Memorial – Round 9 – Thelen, Bedrich – 1-0 – Podgorny, Jiri – G40 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 c6 9. Bb2 Nbd7 10. Nd2 Nxe5
1942 Munich – Round 4 – Alekhine, Alexander – 1-0 – Keres, Paul – G32 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 c6 9. Bb2 Nbd7 10. Nd2 c5
1942 Munich – Round 4 – Keres Paul Petrovich – 0-1 – Alekhine, Alexander – G31 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 c6 9. Bb2 Nbd7 10. Nd2 c5
1944 Asuncion – Round 1 – Olivera, Alfredo – 1/2-1/2 – Guimard, Jean Louis – G3 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Nbd2 Nbd7 9. Bb2 c6 10. Rc1 Rc8
1944 Mar del Plata – Round 13 – Stahlberg, Gideon – 1/2-1/2 – Najdorf, Miguel – G100 1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 c6 9. Bb2 Nbd7 10. Nd2 Rc8
1946 Staunton, Groningen NED – Round 6 – Vidmar, Marjeta – 0-1 – Yanofsky, Daniel Abraham – G18 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 Qc8 9. cxd5 Bxd5 10. Bxd5 Nxd5
1947 GB-Czechoslovakia – Round 1 – Fairhurst, William – 0-1 – Opocensky, Karel – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. cxd5 exd5 9. Bb2 Nbd7 10. Ne5 Re8
1949 POL-CSR Katowice POL – Round 2 – Gawlikowski, Stanislaw – 0-1 – Kottnauer, Cenek – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 Nbd7 9. Bb2 c5 10. Nd2 Qc7
1951 World Championship 19th – Round 11 – Botvinnik, Mikhail – 0-1 – Bronstein, David I – G8 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. cxd5 exd5 9. Bb2 Nbd7 10. Nc3 Re8
1952 Tatranska ch CZE – Round 12 – Mikula, Ladislav – 1-0 – Kottnauer, Cenek – G31 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. c4 Bb7 8. Nbd2 Nbd7 9. Bb2 c5 10. e3 Rc8
1955 Hamburg – Round 9 – Kieninger, Georg – 1/2-1/2 – Pirc, Vasja – G68 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 Nbd7 9. Bb2 Ne4 10. Nc3 f5
1956 New York Rosenwald5556 – Round 1 – Horowitz, Albert Israel – 1/2-1/2 – Lombardy, William J – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. cxd5 exd5 9. Bb2 Nbd7 10. Nc3 Re8
1957 Sofia zt – Round 1 – Fuchs, Reinhart – 1/2-1/2 – Niemela, Ilmari Aarne – G1 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 b6 7. b3 Bb7 8. Ne5 c6 9. Bb2 Nbd7 10. Nd2 Rc8
1958 URS Ch sf – Round ? – Katalymov, Boris – 0-1 – Tarasov, Vitaly – G8 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. b3 O-O 7. d4 d5 8. cxd5 exd5 9. Ba3 Nbd7 10. Nh4 Re8
1960 Budapest zt – Round 11 – Ujtelky, Maximilian – 1/2-1/2 – Kozma, Julius – G61 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Bb2 c5 9. cxd5 Bxd5 10. dxc5 Bxc5
1961 Katowice ch18-POL – Round 1 – Tarnowski, Alfred – 1-0 – Gabrys, Zygmunt – G7 1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. c4 Bb7 8. cxd5 Bxd5 9. Nc3 Bb7 10. Bb2 Nbd7
1961 Sarajevo – Round 9 – Pirc, Vasja – 1/2-1/2 – Pachman, Ludek – G44 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. b3 b6 7. c4 Bb7 8. Bb2 Nbd7 9. Nc3 c5 10. dxc5 Nxc5
1963 Kiev Ch – Round 10 – Zamikhovsky, Abram – 1/2-1/2 – ? – G38 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Nbd2 dxc4 9. Nxc4 c5 10. Bb2 cxd4
1964 Tel Aviv olm fin-B – Round 5 – Yepez, Olavo – 1-0 – Aldunce Silva, Roberto – G55 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O b6 7. b3 Bb7 8. Bb2 c5 9. cxd5 Bxd5 10. Nc3 Bb7
1965 Hamburg etc – Round 10 – Udovcic, Mijo – 1-0 – Weise, Daniel, Dr. – G118 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O b6 7. b3 Bb7 8. Nbd2 Nbd7 9. Bb2 a5 10. Rc1 a4
1966 URS Team Ch – Round 9.4 – Nikolaevsky, Yuri V – 1/2-1/2 – Simagin, Vladimir – G92 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. d4 Bb7 8. Ne5 Nbd7 9. Nd2 c5 10. cxd5 Nxd5
1967 DDR Ch 16th – Round 14 – Malich, Burkhard, Dr. – 1/2-1/2 – Bruentrup, Dieter – G69 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 c5 9. Bb2 Nbd7 10. cxd5 exd5
Biel Interzonal 1993 – Round 1 – Nikolic, Predrag – 1/2-1/2 – Van der Sterren, Paul – G3 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O b6 7. d4 Bb7 8. cxd5 exd5 9. Nc3 Na6 10. Bf4 Re8
FIDE World Cup 2017 – Round 6.2 – Ding, Liren – 1/2-1/2 – So, Wesley – G409 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. b3 b6 7. O-O Bb7 8. Nc3 Nbd7 9. Bb2 c5 10. Ne1 cxd4
FIDE World Cup 2019 – Round 1.1 – Tomashevsky, Evgeny – 1/2-1/2 – Nikolov, Nikolay Petrov – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Nc3 Nbd7 9. Bb2 Ne4 10. Qc2 f5
Hoogovens Blitz 1999 – Round 11 – Topalov, Veselin – 1/2-1/2 – Timman, Jan H – G35 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. d4 O-O 7. b3 d5 8. cxd5 exd5 9. Nc3 Ne4 10. Bb2 Nxc3
Manila Interzonal 1990 – Round 10 – Nikolic, Predrag – 1/2-1/2 – Khalifman, Alexander – G166 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. cxd5 exd5 9. Nc3 Na6 10. Bb2 Qc8
SportAccord Blindfold Men 2012 – Round 2.1 – Nakamura, Hikaru – 1/2-1/2 – Aronian, Levon – G9 1. Nf3 Nf6 2. c4 e6 3. b3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d4 d5 8. cxd5 Nxd5 9. Bb2 Nd7 10. Nbd2 N5f6

E17t — Euwe (1927)

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.b3 d5

Les coups candidats

8.Bb2 — 30.2% (235 parties)

Ambassadeurs : Sorri, Kari Juhani (2x), Horton, Michael Howard (1x), Ludgate, Alan (1x), Pirc, Vasja (1x), Pachman, Ludek (1x), Ujtelky, Maximilian (1x), Kozma, Julius (1x), Yepez, Olavo (1x)

8.Nc3 — 22.5% (175 parties)

Ambassadeurs : Svane, Rasmus (5x), Novikov, Igor (4x), Novikov, Maxim I (3x), Kamenicki, S. (2x), Itkis, Boris (2x), Komarov, Dimitri (2x), Tomashevsky, Evgeny (2x), Gong, Changda (2x)

8.cxd5 — 19.9% (155 parties)

Ambassadeurs : Pravec, Ladislav (9x), Gheorghiu, Florin (4x), Todorov, Ognjan (4x), Nikolic, Predrag (3x), Van der Sterren, Paul (3x), Dorfman, Iossif (3x), Razuvaev, Yuri S (2x), Chruszcz, Tadeusz (2x)

8.Ne5 — 13.0% (101 parties)

Ambassadeurs : Kengis, Edvins (2x), Rashkovsky, Nukhim N (2x), Nguyen Sy Hung (2x), Malich, Burkhard, Dr. (1x), Bruentrup, Dieter (1x), Nikolaevsky, Yuri V (1x), Simagin, Vladimir (1x), Kieninger, Georg (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Bb2	8.Nc3	8.cxd5	8.Ne5
<1800	57	49%	12%	11%	9%
1800-2200	311	41%	20%	12%	11%
2200-2600	301	19%	29%	29%	13%
2600+	22	9%	45%	41%	5%

Évolution par décennie (% des parties)

Décennie	N parties	8.Bb2	8.Nc3	8.cxd5	8.Ne5
1950s	9	—	22%	33%	33%
1960s	15	27%	7%	13%	27%
1970s	16	44%	6%	12%	12%
1980s	38	24%	8%	34%	29%
1990s	111	30%	15%	26%	18%
2000s	177	29%	16%	22%	12%
2010s	243	40%	11%	21%	13%
2020s	169	20%	57%	9%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Bb2	40%	20%	▼ -19.8%
8.Nc3	11%	57%	▲ +45.7%
8.cxd5	21%	9%	▼ -11.5%
8.Ne5	13%	4%	▼ -9.0%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 2 parties
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Hou, Yifan — 1 partie
Ding, Liren — 1 partie

Parties historiques

8.Bb2 — 30.2% (235 parties)

1960 — Ujtelky, Maximilian vs Kozma, Julius — 1/2-1/2 — Budapest HUN
1961 — Pirc, Vasja vs Pachman, Ludek — 1/2-1/2 — Sarajevo BIH
1964 — Yepez, Olavo vs Raphael da Conceicao Silva — 1-0 — Tel Aviv olm
1967 — Horton, Michael Howard vs Ludgate, Alan — 0-1 — Oxford ch-BCF
1970 — Camara, Helder vs Acevedo Milan, Armando — 1/2-1/2 — Siegen olm Siegen GER

8.Nc3 — 22.5% (175 parties)

1959 — Kamenicki, S. vs Fedorovsky, R. — 1/2-1/2 — Buenos Aires ARG
1959 — Kamenicki, S. vs Fedorovsky, Rafael — 1/2-1/2 — Buenos Aires ARG
1962 — Gorkiewicz, Stanislaw vs Mierzejewski, Stanislaw — 1-0 — ?
1975 — Martin, Robert D vs Kafadarow, Nasco — 0-1 — Montreal CAN
1983 — Itkis, Boris vs Rozentalis, Eduardas — 1-0 — Vilnius LTU

8.cxd5 — 19.9% (155 parties)

1951 — Botvinnik, Mikhail vs Bronstein, David I — 0-1 — Moskou wch-m
1956 — Horowitz, Albert Israel vs Lombardy, William J — 1/2-1/2 — New York, NY USA
1958 — Katalymov, Boris vs Tarasov, Vitaly — 0-1 — Tashkent UZB
1961 — Tarnowski, Alfred vs Gabrys, Zygmunt — 1-0 — Katowice ch18-POL
1963 — Knudsen, Henry vs Henriksen, Palle V. — 1/2-1/2 — ?

8.Ne5 — 13.0% (101 parties)

1952 — Mardle, Denis vs Bronstein, David I — 0-1 — Liverpool
1955 — Kieninger, Georg vs Pirc, Vasja — 1/2-1/2 — Hamburg GER
1957 — Fuchs, Reinhart vs Niemela, Ilmari Aarne — 1/2-1/2 — Sofia zt
1963 — Bruemmer, Ullrich vs Mueller, Manfred — 1/2-1/2 — Leipzig GER
1966 — Nikolaevsky, Yuri V vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS

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