A91h — Dutch: 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 O-O

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, case forte b5, Bg2 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, avant-poste g4(C), Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...c5 — Rupture
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A91h —

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nc3 O-O

Eval: [+0.47]

Les coups candidats

6.Nf3 — 58.7% (1071 parties) →

Ambassadeurs : Pessi, Juha (5x), Irie -Williams, Silk (4x), Guimard, Carlos E (3x), Estrada Degrandi, Walter (3x), Lastovicka, Jiri (3x), Klawa, Patrick (3x), Pert, Nicholas (3x), Vager, Boris (3x)

6.Nh3 — 18.5% (338 parties)

Ambassadeurs : Rossolimo, Nicolas (4x), Milans, Carlos (3x), Purdy, Cecil J S (2x), Koshnitsky, Gregory (2x), Williams, J Noel (2x), Golombek, Harry (2x), Buj, Pablo (2x), Aguilo Torrens, Lluis (2x)

6.e3 — 7.0% (127 parties) →

Ambassadeurs : Botvinnik, Mikhail (3x), Bronstein, David I (3x), Guimard, Carlos E (2x), De Dovitiis, Alejo (2x), Oliveira, Paulo Sergio de Castro (2x), Staunton, Howard (1x), Horwitz, Bernhard (1x), Varain, Ernst (1x)

6.Qb3 — 4.2% (76 parties)

Ambassadeurs : Malich, Burkhard, Dr. (4x), Harris, Peter A (2x), Barker, Malcolm Neil (2x), Campeert, Julien (2x), Gaya Llodra, Juan (2x), Wellner, Jan (1x), Van den Tol, Theo (1x), Vidmar, Marjeta (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Nf3	6.Nh3	6.e3	6.Qb3
<1800	82	59%	17%	9%	4%
1800-2200	711	61%	17%	7%	2%
2200-2600	401	59%	22%	3%	5%
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Nf3	6.Nh3	6.e3	6.Qb3
1850s	1	—	—	100%	—
1890s	1	—	—	100%	—
1910s	1	100%	—	—	—
1920s	3	67%	33%	—	—
1930s	25	56%	32%	8%	—
1940s	35	46%	26%	—	11%
1950s	82	38%	22%	16%	13%
1960s	79	63%	13%	8%	11%
1970s	66	53%	17%	12%	9%
1980s	104	58%	13%	8%	9%
1990s	325	60%	16%	7%	4%
2000s	475	61%	19%	6%	3%
2010s	509	60%	20%	6%	2%
2020s	118	62%	18%	4%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Nf3	60%	62%	▲ +2.1%
6.Nh3	20%	18%	▼ -2.2%
6.e3	6%	4%	▼ -1.9%
6.Qb3	2%	0%	▼ -2.4%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 5 parties
Alekhine, Alexander — 2 parties
Euwe, Max — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

6.Nf3 — 58.7% (1071 parties)

1912 — List, Paul vs Estrin, L. — 1-0 — Vilnius LTU
1923 — Tenner, Oscar vs Hodges, Albert — 1-0 — Lake Hopatcong
1927 — Rabinovich, Ilya Mar vs Botvinnik, Mikhail — 0-1 — Moskou ch-URS
1932 — Ahues, Carl vs John Wilhelm — 1-0 — Berlin GER
1933 — Savitsky, Leonid vs Riumin, Nikolai — 1/2-1/2 — Leningrad ch-URS

6.Nh3 — 18.5% (338 parties)

1923 — Alekhine, Alexander vs Cartier, Alain — 0-1 — Montreal CAN
1931 — Achar Schvartzman, Marcos vs Castillo Lynch, Jacob Tyler — 1-0 — Buenos Aires ARG
1934 — Purdy, Cecil J S vs Koshnitsky, Gregory — 0-1 — Sydney AUS
1934 — Purdy, Cecil J S vs Koshnitsky, Gregory — 1-0 — Sydney AUS
1934 — Levenfish, Grigory vs Riumin, Nikolai — 1/2-1/2 — Leningrad RUS

6.e3 — 7.0% (127 parties)

1851 — Staunton, Howard vs Horwitz, Bernhard — 0-1 — London ENG
1893 — Varain, Ernst vs Seuffert, Paul — 0-1 — Kiel GER
1935 — Grob, Henry vs Flohr, Salo — 1-0 — Roses
1938 — Lalich, Voyin vs Guimard, Carlos E — 0-1 — Buenos Aires ARG
1951 — Del Solar W vs Jauregui, Carlos — 0-1 — Santiago de Chile

6.Qb3 — 4.2% (76 parties)

1946 — Wellner, Jan vs Van den Tol, Theo — 1/2-1/2 — Leiden NED
1946 — Vidmar, Marjeta vs Guimard, Carlos E — 0-1 — Groningen NED
1948 — Euwe, Max vs Opocensky, Karel — 1/2-1/2 — Venice ITA
1948 — Gereben, Erno vs Tartakower, Savielly — 1/2-1/2 — Budapest Budapest HUN
1950 — Haggqvist, Bjorn Karl vs Harris, Peter A — 1-0 — Birmingham ENG

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→f5, d7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	● g4 (2v0)
Cases faibles	● e4	—
Centre	● d4 (1v0), ● d5 (3v2), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 7)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f5-f4

Partie
1923 Montreal sim – Round ? – Alekhine, Alexander – 0-1 – Cartier, Alain – G9 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 O-O 6. Nh3 d5 7. O-O dxc4 8. e4 fxe4 9. Nxe4 Nbd7 10. Bf4 Nxe4
1934 Leningrad – Round 1 – Levenfish, Grigory – 1/2-1/2 – Riumin, Nikolai – G29 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Nh3 d6 7. Nf4 Qe8 8. O-O Bd8 9. e4 e5 10. dxe5 dxe5
1935 Warsaw ol Warsaw POL – Round 1 – Hasenfuss, Wolfgang – 0-1 – Pleci, Isaias – G1 1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Be7 5. d4 O-O 6. Nh3 d6 7. Nf4 c6 8. Nd3 Nbd7 9. Bf4 Qc7 10. e4 e5
1936 Podebrady – Round ? – Thomas, George Alan – 1/2-1/2 – Skalicka, Karel – G60 1. c4 e6 2. Nc3 f5 3. g3 Nf6 4. Bg2 Be7 5. d4 O-O 6. Nh3 d5 7. cxd5 exd5 8. Nf4 c6 9. O-O Bd6 10. a3 Ne4
1944 Asuncion – Round 1 – Laszlo, Adam – 1-0 – Guimard, Jean Louis – G1 1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. g3 Be7 5. Bg2 O-O 6. a3 d5 7. c5 Nbd7 8. Nf3 Ne4 9. O-O c6 10. Bf4 Bf6
1946 Groningen – Round 12 – Vidmar, Marjeta – 0-1 – Guimard, Carlos E – G55 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 O-O 6. Qb3 Kh8 7. Nh3 d5 8. cxd5 exd5 9. Bxd5 Nc6 10. Bxc6 bxc6
1948 Budapest Budapest HUN – Round 5 – Gereben, Erno – 1/2-1/2 – Tartakower, Savielly – G6 1. d4 f5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Qb3 Nc6 7. d5 Ne5 8. dxe6 dxe6 9. Bf4 Nfd7 10. Rd1 Qe8
1948 Mar del Plata – Round 1 – Olivera, Alfredo – 0-1 – Guimard, Carlos E – G6 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 O-O 6. e4 fxe4 7. Nxe4 Nxe4 8. Bxe4 d5 9. Bd3 dxc4 10. Bxc4 b5
1948 Saltsjobaden Interzonal – Round 10 – Flohr, Salo – 1/2-1/2 – Gligorić, Svetozar – G90 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. d5 e5 7. e4 d6 8. Nge2 fxe4 9. Nxe4 Nxe4 10. Bxe4 Nd7
1948 Venice – Round 1 – Euwe, Max – 1/2-1/2 – Opocensky, Karel – G16 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Qb3 c6 7. d5 d6 8. dxe6 Na6 9. Nf3 Nc5 10. Qc2 Nfe4
1949 Trencianske-Teplice – Round 3 – Erdelyi, Stefan – 0-1 – Wade, Robert G – G28 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Nh3 d6 7. Nf4 c6 8. Nd3 Qc7 9. O-O Nbd7 10. b3 e5
1950 Dubrovnik olm – Round 4 – Sumar, Julio – 1-0 – Ojanen, Kaarle S – G43 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Nh3 d5 7. cxd5 exd5 8. Bg5 c6 9. Bxf6 Bxf6 10. e3 Na6
1950 Venice – Round 8 – Golombek, Harry – 1-0 – Rossolimo, Nicolas – G71 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. Nc3 O-O 6. Nh3 d5 7. cxd5 exd5 8. Nf4 c6 9. O-O Kh8 10. Nd3 Ne4
1951 Marianske Lazne zt – Round 1 – Foltys, Jan – 1/2-1/2 – Pedersen, Ebbe – G1 1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Be7 5. d4 O-O 6. Qb3 c6 7. Nh3 d5 8. O-O Kh8 9. e3 Qe8 10. Bd2 Na6
1951 World Championship 19th – Round 9 – Botvinnik, Mikhail – 1/2-1/2 – Bronstein, David I – G7 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. d5 Bb4 7. Bd2 e5 8. e3 d6 9. Nge2 a6 10. Qc2 Qe8
1952 Budapest – Round 12 – Golombek, Harry – 0-1 – Stahlberg, Gideon – G106 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Nh3 d5 7. cxd5 exd5 8. O-O c6 9. Nf4 Na6 10. f3 Nc7
1952 Olympiad Helsinki (Finland) – Round 1 – Pytliakovsky A – 0-1 – Ojanen, Kaarle S – G1 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nc3 O-O 6. Qb3 Kh8 7. Bf4 c6 8. d5 d6 9. dxe6 Na6 10. Qc2 Bxe6
1953 Mar del Plata – Round 3 – Burgalat, Francisco J – 0-1 – Ojanen, Kaarle S – G48 1. d4 f5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. d5 e5 7. Nf3 d6 8. O-O Qe8 9. e3 Qh5 10. Bd2 Ng4
1954 ITA-ch17 Trieste – Round 1 – Primavera, Giuseppe – 0-1 – Ferrantes, Giovanni – G1 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 O-O 6. Nh3 c6 7. d5 d6 8. dxe6 Bxe6 9. Qd3 Na6 10. b3 Nc5
1959 Santiago – Round 2 – Stekel Grunberg, Moises – 1-0 – Salas Romo, Julio – G10 1. c4 f5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nc3 O-O 6. Qc2 d5 7. Bg5 c6 8. Bxf6 Bxf6 9. e3 Kh8 10. f4 c5
1960 Olympiad prel I – Round 1 – Boutteville, Cesar – 0-1 – Johannessen, Svein – G1 1. c4 e6 2. g3 f5 3. Bg2 Nf6 4. Nc3 Be7 5. d4 O-O 6. Nh3 d6 7. Nf4 Qe8 8. e4 fxe4 9. Nxe4 Nxe4 10. Bxe4 e5
1965 Malaga Malaga ESP – Round 2 – O'Kelly, Albéric de Galway – 1-0 – Durão, Joaquim Manuel – G4 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Qb3 c5 7. d5 e5 8. f4 e4 9. Nh3 Ng4 10. Nf2 Nxf2
1966 Du Havre – Round 1 – Boutteville, Cesar – 1/2-1/2 – Dueckstein, Andreas – G6 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Be7 5. Bg2 O-O 6. e4 fxe4 7. Nxe4 d5 8. Nxf6+ Bxf6 9. Nf3 c5 10. O-O cxd4
1969 DSV-Turnier – Round 6 – Malich, Burkhard, Dr. – 1-0 – Moehring, Guenther – G30 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. Qb3 Nc6 7. d5 Na5 8. Qa4 c6 9. dxc6 dxc6 10. Bd2 c5

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