E09g — Catalan: Closed, Main Line, 9.b3 Bb7 10.Bb2 Rc8

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2 Rc8 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte e5.

Atouts. Les Blancs s'appuient sur la case forte e5 et la paire de fous.

Côté adverse. Le fou enfermé en b7.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c6-c5).

Atouts. Les Noirs s'appuient sur un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en g2.

Plans. ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● c6→d5, e6→d5, a7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	—
Cases faibles	● e4	—
Centre	● d4 (2v0), ● e5 (2v1)	● d5 (3v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Ok (mob. 3)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Enfermé (mob. 2)
Be7		● Be7 Actif (mob. 4)
Paire de fous	● Oui	● Oui
Non développées	1 (● a1)	—

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5	● …c6-c5, ● …e6-e5

Partie
1937 Semmering – Round 1 – Flohr, Salo – 1/2-1/2 – Ragozin, Viacheslav – G9 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Nbd2 Nbd7 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1937 Semmering/Baden – Round 7 – Flohr, Salo – 1/2-1/2 – Ragozin, Viacheslav – G24 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Nbd2 Nbd7 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1948 Saltsjobaden Interzonal – Round 1 – Stoltz, Gabriel – 1/2-1/2 – Gligoric, Sofija – G5 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. Nbd2 Nbd7 7. c4 c6 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1949 POL-CSR Katowice POL – Round 1 – Kottnauer, Cenek – 1-0 – Gawlikowski, Stanislaw – G1 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 c6 5. d4 Be7 6. O-O O-O 7. Qc2 b6 8. Nbd2 Bb7 9. b3 Nbd7 10. Bb2 Rc8
1950 Dubrovnik olm – Round 1 – Shainswit, George – 1-0 – Pfeiffer, Gerhard – G14 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Qc2 b6 6. Nf3 Bb7 7. O-O Nbd7 8. Nbd2 Be7 9. b3 O-O 10. Bb2 Rc8
1950 Dubrovnik olm – Round 10 – Cortlever, Nico – 1/2-1/2 – Rabar, Bakhtyar Hamasaleh – G61 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. b3 Nbd7 7. Bb2 c6 8. c4 b6 9. Qc2 Bb7 10. Nbd2 Rc8
1950 Hungary – Round 1 – Barcza, Gedeon – 1/2-1/2 – Gereben, Erno – G24 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nd2 Nbd7 6. Ngf3 Be7 7. O-O O-O 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1951 Sopot – Round 4 – Szabo, Stefan – 1/2-1/2 – Troianescu, Octav – G24 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d4 Be7 5. O-O O-O 6. c4 c6 7. Qc2 Nbd7 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1953 Buenos Aires ch-ARG – Round 1 – Maderna, Carlos – 1/2-1/2 – San Martin Sanguinetti, Vicente – G8 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c6 5. Bg2 Nbd7 6. Qc2 Be7 7. O-O O-O 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1954 Olympiad final B – Round 1 – Reilly, Brian – 0-1 – Doerner, Charles – G21 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. c4 O-O 6. O-O c6 7. Qc2 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Nbd2 Rc8
1955 Buenos Aires CA – Round 17 – Bianco Esposito, Antonio – 1/2-1/2 – Ivkov, Borislav – G119 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Nbd2 Bb7 9. b3 Nbd7 10. Bb2 Rc8
1955 Hungary Ch – Round 1 – Sandor, Balazs – 1/2-1/2 – Pogats, Jozsef Jr. – G2 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1956 Moscow olm fin-A – Round 4 – Golombek, Harry – 1-0 – Minev, Nikolay N – G55 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 c6 6. O-O O-O 7. Qc2 Nbd7 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1956 URS Ch, semi final – Round 1 – Koblencs, Alexander – 1-0 – Voronkov, Boris – G3 1. c4 c6 2. Nf3 d5 3. Qc2 Nf6 4. g3 e6 5. Bg2 Be7 6. b3 O-O 7. Bb2 b6 8. O-O Bb7 9. d4 Nbd7 10. Nbd2 Rc8
1958 Argentina – Round 14 – Eliskases, Erich – 1/2-1/2 – Luckis, Marcos – G108 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Nbd2 Nbd7 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1958 Argentina – Round 8 – Eliskases, Erich – 1-0 – Puiggros, Guillermo – G60 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Nbd7 5. Bg2 c6 6. Nbd2 Be7 7. Qc2 O-O 8. O-O b6 9. b3 Bb7 10. Bb2 Rc8
1958 HUN Ch 14th – Round 16 – Barcza, Gedeon – 1/2-1/2 – Sandor, Bela – G40 1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 4. O-O O-O 5. c4 d5 6. d4 Nbd7 7. b3 c6 8. Qc2 b6 9. Bb2 Bb7 10. Nbd2 Rc8
1959 Buenos Aires JM – Round 8 – Bielicki, Carlos – 0-1 – Guimard, Carlos – G36 1. Nf3 d5 2. g3 Nf6 3. Bg2 Nbd7 4. d4 e6 5. O-O Be7 6. c4 c6 7. Nbd2 O-O 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1960 Asuncion – Round 1 – Szabo, Ladislav – 1/2-1/2 – Rossetto, Hector – G2 1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. g3 c6 5. Nbd2 Nbd7 6. Bg2 Be7 7. O-O O-O 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1960 HUN Ch playoff – Round 6 – Barcza, Gedeon – 1/2-1/2 – Portisch, Lajos – G5 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1961 Oberhausen etc – Round 7 – Geller, Efim P – 1-0 – Ciric, Dimitrije – G173 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b6 9. Qc2 Bb7 10. Nbd2 Rc8
1963 Hastings6364 – Round 9 – Lengyel, Laszlo – 1/2-1/2 – Tal, Mikhail – G38 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. b3 Bb7 9. Bb2 Nbd7 10. Nbd2 Rc8
1964 CSR Ch – Round 10 – Lendl, Jiri – 1/2-1/2 – Blatny, Frantisek – G71 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. b3 c6 8. Qc2 b6 9. Bb2 Bb7 10. Nbd2 Rc8
1964 Moscow RUS – Round ? – Fridstein, German – 1-0 – Panov, Vasily – G46 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Nbd7 5. Bg2 Be7 6. Qc2 O-O 7. O-O c6 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1964 Tel Aviv olm fin-B – Round 6 – Andersen, Baltser – 1-0 – Kottnauer, Cenek – G64 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1966 Moscow Tch-SU – Round 1 – Geller, Efim P – 1/2-1/2 – Lutikov, Anatoly S – G1 1. c4 e6 2. g3 d5 3. Bg2 c6 4. Nf3 Nf6 5. O-O Be7 6. d4 O-O 7. Nbd2 b6 8. Qc2 Bb7 9. b3 Nbd7 10. Bb2 Rc8
1966 Panamerican – Round ? – Cuartas, Carlos Enrique – 1/2-1/2 – Cobo Arteaga, Eldis – G75 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 c6 6. Nbd2 Nbd7 7. Qc2 O-O 8. O-O b6 9. b3 Bb7 10. Bb2 Rc8
1966 Tbilisi ch-URS – Round 12 – Geller, Efim P – 1/2-1/2 – Nei, Iivo – G103 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
1967 HUN Ch – Round 14 – Farago, Ivan – 1/2-1/2 – Lengyel, Levente – G56 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 c6 7. b3 b6 8. Bb2 Bb7 9. Nbd2 Nbd7 10. Qc2 Rc8
1967 URS Team Ch – Round 1 – Seredenko, Vladimir – 1/2-1/2 – Nei, Iivo – G140 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. d4 Bb7 8. Nbd2 Nbd7 9. Bb2 c6 10. Qc2 Rc8
1968 Alma Ata ch-URS – Round 14 – Kholmov, Ratmir D – 1-0 – Osnos, Viatcheslav – G123 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Nbd2 b6 8. Qc2 Bb7 9. b3 Nbd7 10. Bb2 Rc8
1969 Moskou ch-URS – Round 1 – Averkin, Orest N – 1/2-1/2 – Kholmov, Ratmir D – G14 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Nbd2 Bb7 9. b3 Nbd7 10. Bb2 Rc8
1969 WchT U26 qual-A – Round 3.2 – Skalkotas, Nikolaos – 1/2-1/2 – Zara, Dan – G12 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Qc2 Nbd7 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8
2026 Tata Steel India Rapid - Round 6.1 - Nihal Sarin - 1-0 - Vidit, Santosh Gujrathi - G26 1. d4 1... Nf6 2. Nf3 2... d5 3. c4 3... e6 4. g3 4... Be7 5. Bg2 5... O-O 6. O-O 6... c6 7. Nbd2 7... b6 8. b3 8... Bb7 9. Bb2 9... Nbd7 10. Qc2 10... Rc8
Interpolis 1993 – Round 1 – Speelman, Jon S – 1-0 – Welling, Gerard – G25 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. b3 Bb7 10. Bb2 Rc8

E09g — Closed Main Line

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2 Rc8

Eval: [+0.24]

Les coups candidats

11.e4 — 51.8% (454 parties) →

Ambassadeurs : Lindenmair, Anton (4x), Flear, Glenn C (3x), Wojtkiewicz, Aleksander (3x), Khurtsidze, Nino (3x), Smyslov, Vladimir (2x), Kramer, Hanspeter (2x), Segal, Alexandru Sorin (2x), Gheorghiu, Florin (2x)

11.Rac1 — 26.9% (236 parties)

Ambassadeurs : Barcza, Gedeon (4x), Kholmov, Ratmir D (3x), Flohr, Salo (2x), Ragozin, Viacheslav (2x), Cuartas, Jaime Alexander (2x), Eliskases, Erich (2x), Averkin, Orest (2x), Dimitropoulos, Vasilios (2x)

11.Rad1 — 12.3% (108 parties)

Ambassadeurs : Geller, Efim P. (3x), Nei, Iivo (2x), Darga, Klaus (2x), Stoltz, Gabriel (1x), Gligoric, Sofija (1x), Lutikov, Anatoly S (1x), Kokkonen, Erkki (1x), Valli, Matti (1x)

11.Rfd1 — 4.0% (35 parties)

Ambassadeurs : Maderna, Carlos (1x), San Martin Sanguinetti, Vicente (1x), Farago, Ivan (1x), Lengyel, Levente (1x), Lanc, Alois (1x), Neckar, Lubomir (1x), Heinatz, Gundula, Dr. (1x), Mai, Iris (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11.e4	11.Rac1	11.Rad1	11.Rfd1
<1800	31	42%	35%	10%	6%
1800-2200	354	45%	32%	11%	4%
2200-2600	311	63%	19%	13%	5%
2600+	4	75%	—	25%	—

Évolution par décennie (% des parties)

Décennie	N parties	11.e4	11.Rac1	11.Rad1	11.Rfd1
1930s	2	—	100%	—	—
1940s	7	43%	43%	14%	—
1950s	27	30%	56%	11%	4%
1960s	32	34%	31%	31%	3%
1970s	27	41%	26%	26%	4%
1980s	50	58%	20%	16%	4%
1990s	162	59%	22%	11%	2%
2000s	231	53%	26%	11%	4%
2010s	276	49%	30%	10%	4%
2020s	63	59%	14%	13%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11.e4	49%	59%	▲ +9.5%
11.Rac1	30%	14%	▼ -16.1%
11.Rad1	10%	13%	▲ +2.6%
11.Rfd1	4%	10%	▲ +5.9%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 2 parties
Tal, Mikhail — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

11.e4 — 51.8% (454 parties)

1947 — Macskasy, Elod vs Balogh, Janos — 1/2-1/2 — Budapest HUN
1948 — Udovcic, Mijo vs Rabar, Braslav — 0-1 — Belgrade ch-YUG
1949 — Staehelin, Adolf vs Vidmar, Milan Jr — 1/2-1/2 — Ljubljana
1950 — Simagin, Vladimir vs Szabo, Ladislav — 0-1 — Schiavno Zdroj
1951 — Furman, Semyon vs Zagorovsky, Vladimir — 0-1 — Tbilisi GEO

11.Rac1 — 26.9% (236 parties)

1937 — Flohr, Salo vs Ragozin, Viacheslav — 1/2-1/2 — Semmering AUT
1937 — Flohr, Salo vs Ragozin, Viacheslav — 1/2-1/2 — Semmering AUT
1947 — Zita, Frantisek vs Vidmar, Milan ml — 1/2-1/2 — Zagreb YUG-CSR
1949 — Barcza, Gedeon vs Paoli, Enrico — 1-0 — Venice ITA
1949 — Kottnauer, Cenek vs Gawlikowski, Stanislaw — 1-0 — POL-CSR Katowice POL

11.Rad1 — 12.3% (108 parties)

1948 — Stoltz, Gabriel vs Gligoric, Sofija — 1/2-1/2 — Saltsjobaden SWE
1954 — Tolush, Alexander vs Cohen Gurevich, Elana — 1-0 — ?
1954 — Reilly, Brian vs Doerner, Charles — 0-1 — Amsterdam NED
1955 — Sandor, Balazs vs Pogats, Jozsef Jr. — 1/2-1/2 — Budapest HUN
1961 — Geller, Efim P. vs Ciric, Dimitrije — 1-0 — Oberhausen etc

11.Rfd1 — 4.0% (35 parties)

1953 — Maderna, Carlos vs San Martin Sanguinetti, Vicente — 1/2-1/2 — Buenos Aires ch-ARG
1967 — Farago, Ivan vs Lengyel, Levente — 1/2-1/2 — Budapest HUN
1974 — Lanc, Alois vs Neckar, Lubomir — 1/2-1/2 — Rimavska Sobota SVK
1988 — Heinatz, Gundula, Dr. vs Mai, Iris — 1-0 — Stralsund
1989 — San Marco, Bruno vs De Sousa, Joaquim — 1-0 — Val Maubuee open

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