D94r — Gruenfeld: Flohr Defence

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3 c6 7.O-O Bf5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte e5, Bd3 actif, paire de fous.
Faiblesses adverses : Bg7 enfermé.
Problèmes : Bc1 enfermé.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, case forte g4, avant-poste e4(F), Bf5 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé.
Problèmes : Bg7 enfermé.
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D94r — Flohr Defence

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3 c6 7.O-O Bf5

Eval: [+0.48]

Les coups candidats

8.Bxf5 — 72.9% (153 parties)

Ambassadeurs : Fairhurst, William (3x), Ilivitsky, Georgy A (2x), Flohr, Salo (2x), Wood, Baruch (2x), Petrosian, Tigran A. (2x), Portisch, Lajos (2x), Simagin, Vladimir (2x), Stahlberg, Gideon (2x)

8.b3 — 7.6% (16 parties)

Ambassadeurs : Hoi, Carsten (2x), Khudiakov, Alexandr (2x), Lisitsin, Georgy (1x), Zhukhovitsky, Samuel (1x), Kotov, Alexander (1x), Nikitin, Aleksander S (1x), Cafure, Emilio (1x), Sanguinetti, Raul (1x)

8.Re1 — 5.2% (11 parties)

Ambassadeurs : Kottnauer, Cenek (1x), Cortlever, Nico (1x), Browne, Walter Shawn (1x), Formanek, Edward (1x), Karnaukh, Anatolij (1x), Petrov, Igor (1x), Szuminski, Marek (1x), Czarnecki, Wojciech (1x)

8.cxd5 — 4.3% (9 parties)

Ambassadeurs : Thelen, Bedrich (1x), Hromadka, Karel (1x), Euwe, Max (1x), Flohr, Salo (1x), Konstantinopolsky, Alexander (1x), Novotelnov, Nikolai (1x), Mohr, Georg (1x), Zupe, Miran (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Bxf5	8.b3	8.Re1	8.cxd5
<1800	2	50%	—	—	50%
1800-2200	42	64%	7%	7%	2%
2200-2600	119	78%	7%	5%	3%

Évolution par décennie (% des parties)

Décennie	N parties	8.Bxf5	8.b3	8.Re1	8.cxd5
1920s	1	—	—	—	100%
1930s	4	75%	—	—	25%
1940s	7	71%	14%	—	—
1950s	9	78%	11%	—	11%
1960s	13	62%	15%	8%	—
1970s	7	71%	14%	14%	—
1980s	15	87%	7%	—	—
1990s	43	84%	5%	—	7%
2000s	53	66%	11%	4%	—
2010s	52	71%	4%	13%	4%
2020s	6	67%	—	—	17%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Bxf5	71%	67%	▼ -4.5%
8.b3	4%	0%	▼ -3.8%
8.Re1	13%	0%	▼ -13.5%
8.cxd5	4%	17%	▲ +12.8%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 2 parties
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie

Parties historiques

8.Bxf5 — 72.9% (153 parties)

1931 — Gruenfeld, Ernst vs Flohr, Salo — 1/2-1/2 — Praag olm
1933 — Fairhurst, William vs Flohr, Salo — 0-1 — Folkestone ENG
1939 — Koenig, Imre vs Euwe, Max — 0-1 — Bournemouth
1949 — Ilivitsky, Georgy A vs Vasiliev, Vadim — 1/2-1/2 — Tbilisi GEO
1949 — Hunter, Charles Stanley vs Fairhurst, William — 1/2-1/2 — Felixstowe

8.b3 — 7.6% (16 parties)

1947 — Lisitsin, Georgy vs Zhukhovitsky, Samuel — 1-0 — Leningrad RUS
1958 — Van Weezel, Chris vs Cortlever, Nico — 1/2-1/2 — Amsterdam NED
1963 — Kotov, Alexander vs Nikitin, Aleksander S — 1/2-1/2 — Moscow RUS
1965 — Cafure, Emilio vs Sanguinetti, Raul — 0-1 — Buenos Aires ARG
1971 — Najdorf, Miguel vs Hort, Vlastimil — 1/2-1/2 — Wijk aan Zee NED

8.Re1 — 5.2% (11 parties)

1963 — Kottnauer, Cenek vs Cortlever, Nico — 1/2-1/2 — Birmingham ENG
1978 — Browne, Walter Shawn vs Formanek, Edward — 1-0 — Lone Pine open
2001 — Karnaukh, Anatolij vs Petrov, Igor — 1/2-1/2 — Kiev UKR
2008 — Szuminski, Marek vs Czarnecki, Wojciech — 0-1 — Ustron
2010 — Schenk-Pogan, Nikolas vs Reuss, Andreas — 1/2-1/2 — Stuttgart GER

8.cxd5 — 4.3% (9 parties)

1926 — Thelen, Bedrich vs Hromadka, Karel — 0-1 — Prague-ch Prague CZE
1934 — Euwe, Max vs Flohr, Salo — 1/2-1/2 — Zurich SUI
1950 — Konstantinopolsky, Alexander vs Novotelnov, Nikolai — 1-0 — Tartu
1993 — Horsmann, A. vs Mordhorst, Henning, Dr. — 0-1 — Hamburg Wichern op
1995 — Guimaraes, Jorge vs Conde Llinares, Jesus Miguel — 1/2-1/2 — La Coruna TH op

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● c6→d5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 5)
Bf5		● Bf5 Actif (mob. 7)
Bg7		● Bg7 Enfermé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (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, ● e3-e4	● …c6-c5, ● …e7-e6, ● …e7-e5

Partie
1931 Praag olm – Round 19 – Gruenfeld, Ernst – 1/2-1/2 – Flohr, Salo – G72 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1933 Folkestone Olympiad V – Round 12.9 – Fairhurst, William – 0-1 – Flohr, Salo – G43 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1934 Zuerich – Round 1 – Euwe, Max – 1/2-1/2 – Flohr, Salo – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. e3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. cxd5 Bxd3 9. Qxd3 cxd5 10. Qb5 Qd7
1939 Bournemouth – Round 1 – Koenig, Imre – 0-1 – Euwe, Max – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. Qb3 Qb6 10. cxd5 Qxb3
1947 URS Ch, semi final – Round 1 – Lisitsin, Georgy – 1-0 – Zhukhovitsky, Samuel – G4 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. b3 Bxd3 9. Qxd3 dxc4 10. bxc4 Nbd7
1949 GBR Ch 36th – Round 10.4 – Hunter, Charles Stanley – 1/2-1/2 – Fairhurst, William – G44 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1949 Oldenburg – Round 10 – Zemgalis – 1-0 – Wood, Baruch – G35 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1949 Oldenburg – Round 10 – Zemgalis, Elmars – 1-0 – Wood, Baruch – G24 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1949 URS Ch, semi final – Round 1 – Ilivitsky, Georgy A – 1/2-1/2 – Ebralidze, Alexandre – G12 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. e3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1949 URS Ch, semi final – Round 1 – Ilivitsky, Georgy A – 1/2-1/2 – Vasiliev, Vadim – G3 1. c4 Nf6 2. Nf3 c6 3. d4 d5 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1950 URS Ch sf – Round 13 – Konstantinopolsky, Alexander – 1-0 – Novotelnov, Nikolai – G12 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 g6 5. d4 Bg7 6. Bd3 O-O 7. O-O Bf5 8. cxd5 Bxd3 9. Qxd3 Nxd5 10. e4 Nb4
1952 Budapest – Round 1 – Stahlberg, Gideon – 1/2-1/2 – Smyslov, Vladimir – G8 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. Qb3 Qb6 10. Qxb6 axb6
1952 Budapest – Round 13 – Stahlberg, Gideon – 1/2-1/2 – Smyslov, Vasily – G114 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. Qb3 Qb6 10. Qxb6 axb6
1952 Moskou ch-URS – Round 1 – Simagin, Vladimir – 1/2-1/2 – Kasparian, Genrikh – G34 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. e3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1955 Moskou ch-URS – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Botvinnik, Mikhail – G1 1. c4 c6 2. Nf3 d5 3. e3 g6 4. Nc3 Bg7 5. d4 Nf6 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1955 USSR – Round 1 – Khasin, Abram – 1-0 – Ebralidze, Arkhil – G6 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 Nxd5 10. Qe2 e6
1958 NLD Ch – Round 11 – Van Weezel, Chris – 1/2-1/2 – Cortlever, Nico – G19 1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 c6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. b3 Bxd3 9. Qxd3 c5 10. Bb2 cxd4
1963 New York ch-USA – Round 10 – Byrne, Ray – 1-0 – Steinmeyer, Robert – G15 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 Nxd5 10. Qb3 Qd7
1964 Budapest HUN – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Nagy Ateya, Eyad – G1 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. Nf3 g6 5. e3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 Nxd5 10. Qd3 e6
1965 Buenos Aires – Round 1 – Cafure, Emilio – 0-1 – Sanguinetti, Raul – G4 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. b3 Ne4 9. Bb2 Nd7 10. cxd5 Nxc3
1965 Hamburg etc – Round 9 – Portisch, Lajos – 1/2-1/2 – Petrosian, Tigran A. – G106 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 cxd5 10. Qb3 b6
1967 Kiev (Ukraine) – Round ? – Kots, Yuri I – 1-0 – Palatnik, Semon – G17 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Qc2 Bxd3 9. Qxd3 Nbd7 10. Bd2 dxc4
1967 Skopje – Round 10 – Janosevic, Dragoljub – 0-1 – Panov, Vladimir – G76 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Bd3 O-O 7. O-O Bf5 8. Bxf5 gxf5 9. cxd5 Nxd5 10. Qb3 b6
1971 Hoogovens – Round 14 – Najdorf, Miguel – 1/2-1/2 – Hort, Vlastimil – G53 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. Nf3 Bg7 6. Bd3 Bf5 7. O-O O-O 8. b3 Nbd7 9. Bb2 Bxd3 10. Qxd3 e6

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →