E09p — Catalan: Closed, Main Line, 9.e4 Bb7 10.b3 Rc8 11.Bb2 Qc7

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.e4 Bb7 10.b3 Rc8 11.Bb2 Qc7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, paire de fous.
Faiblesses adverses : Bb7 enfermé.
Problèmes : Bg2 enfermé, arriéré f2.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Be7 actif, paire de fous.
Faiblesses adverses : arriéré f2, Bg2 enfermé.
Problèmes : Bb7 enfermé.
Plans :
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E09p — 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.e4 Bb7 10.b3 Rc8 11.Bb2 Qc7

Eval: [+0.35]

Les coups candidats

12.Rfe1 — 37.4% (43 parties)

Ambassadeurs : Flear, Glenn C (3x), Quinteros, Miguel A. (2x), Bhat, Vinay (2x), Cortes Gheorghiu, Christian (1x), Musil, Antonin (1x), Udovcic, Mijo (1x), Karaklajic, Nikola (1x), Simagin, Vladimir (1x)

12.Rac1 — 27.0% (31 parties)

Ambassadeurs : Boutteville, Cesar (1x), Kramer, Hanspeter (1x), Udovcic, Mijo (1x), Andric, Dragoslav (1x), Hajtun, Joseph (1x), Farago, Ivan (1x), Cortlever, Nico (1x), Trott, A H (1x)

12.Rad1 — 20.0% (23 parties)

Ambassadeurs : Gheorghiu, Florin (3x), Letic, Stevan (2x), Radulescu, Constantin (1x), Ciric, Dragoljub M (1x), Riemersma, Li (1x), Fox Barreiro, Brais (1x), Landgraf, Siegfried (1x), Fauland, Alexander (1x)

12.e5 — 11.3% (13 parties)

Ambassadeurs : Rossi, Giampiero (2x), Barcza, Gedeon (1x), Gligorić, Svetozar (1x), Sorensen, Henrik (1x), Kroll, Ove (1x), Flear, Glenn C (1x), Klee, Mario (1x), Kastner, Peter (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.Rfe1	12.Rac1	12.Rad1	12.e5
<1800	2	—	50%	—	50%
1800-2200	22	41%	27%	18%	14%
2200-2600	64	39%	28%	16%	12%

Évolution par décennie (% des parties)

Décennie	N parties	12.Rfe1	12.Rac1	12.Rad1	12.e5
1940s	1	—	—	—	100%
1950s	6	50%	50%	—	—
1960s	4	25%	25%	50%	—
1970s	7	43%	—	43%	—
1980s	9	33%	11%	44%	11%
1990s	31	39%	26%	23%	6%
2000s	30	33%	37%	13%	13%
2010s	23	48%	22%	9%	17%
2020s	4	—	50%	25%	25%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.Rfe1	48%	0%	▼ -47.8%
12.Rac1	22%	50%	▲ +28.3%
12.Rad1	9%	25%	▲ +16.3%
12.e5	17%	25%	▲ +7.6%

Parties historiques

12.Rfe1 — 37.4% (43 parties)

1950 — Simagin, Vladimir vs Szabo, Ladislav — 0-1 — Schiavno Zdroj
1950 — Golombek, Harry vs Mueller, Helge — 1-0 — Venice ITA
1956 — Udovcic, Mijo vs Karaklajic, Nikola — 1-0 — Skopje MKD
1969 — Cortes Gheorghiu, Christian vs Musil, Antonin — 1/2-1/2 — Ljubljana
1970 — Quinteros, Miguel A. vs O'Kelly, Albéric de Galway — 1/2-1/2 — Buenos Aires ARG

12.Rac1 — 27.0% (31 parties)

1951 — Udovcic, Mijo vs Andric, Dragoslav — 0-1 — Ljubljana
1953 — Cortlever, Nico vs Trott, A H — 1-0 — Beverwijk NED
1956 — Boutteville, Cesar vs Kramer, Hanspeter — 0-1 — Olympiad, Moscow RUS
1965 — Hajtun, Joseph vs Farago, Ivan — 1/2-1/2 — HUN
1988 — Landenbergue, Claude vs Huss, Andreas — 0-1 — Silvaplana

12.Rad1 — 20.0% (23 parties)

1962 — Gheorghiu, Florin vs Ciric, Dragoljub M — 1/2-1/2 — Marianske Lazne
1969 — Gheorghiu, Florin vs Radulescu, Constantin — 1-0 — Rumania
1970 — Gheorghiu, Florin vs Reshevsky, Samuel — 1/2-1/2 — Buenos Aires ARG
1976 — Bhaskar Jyoti Koch vs Heemsoth, Hermann — 1/2-1/2 — GER ch corr
1979 — Kochyev, Alexander vs Karaklajic, Nikola — 1-0 — Torneo di Capodanno

12.e5 — 11.3% (13 parties)

1948 — Barcza, Gedeon vs Gligorić, Svetozar — 1/2-1/2 — Budapest HUN
1986 — Sorensen, Henrik vs Kroll, Ove — 1-0 — Aarhus DEN
1997 — Flear, Glenn C vs Rossi, Giampiero — 0-1 — Asti op Asti ITA
1999 — Klee, Mario vs Kastner, Peter — 1/2-1/2 — GER
2000 — Sarno, Spartaco vs Rossi, Giampiero — 1-0 — Bratto XX Conca della Presola

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

Cases

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

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. 5)
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, ● e4-e5	● …c6-c5, ● …e6-e5

Partie
1948 Budapest – Round 9 – Barcza, Gedeon – 1/2-1/2 – Gligorić, Svetozar – G53 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. e4 Bb7 10. b3 Rc8
1950 Venice – Round 1 – Golombek, Harry – 1-0 – Mueller, Helge – G10 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. Qc2 Be7 7. O-O O-O 8. Nbd2 b6 9. e4 Bb7 10. b3 Rc8
1951 YUG Ch 6th – Round 8 – Udovcic, Mijo – 0-1 – Andric, Dragoslav – G41 1. d4 d5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O c6 6. c4 Nbd7 7. Qc2 O-O 8. Nbd2 b6 9. e4 Bb7 10. b3 Rc8
1953 Hoogovens – Round 1 – Cortlever, Nico – 1-0 – Trott, A H – G18 1. Nf3 Nf6 2. g3 d5 3. Bg2 Nbd7 4. d4 e6 5. O-O Be7 6. b3 O-O 7. Bb2 b6 8. c4 c6 9. Nbd2 Bb7 10. Qc2 Rc8
1956 Olympiad, Moscow RUS – Round 5 – Boutteville, Cesar – 0-1 – Kramer, Hanspeter – G11 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Be7 5. Nf3 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Qc2 Rc8
1956 YUG Ch – Round 2 – Udovcic, Mijo – 1-0 – Karaklajic, Nikola – G1 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. Qc2 Be7 7. O-O O-O 8. Nbd2 b6 9. e4 Bb7 10. b3 Rc8
1965 Hungary – Round 1 – Hajtun, Joseph – 1/2-1/2 – Farago, Ivan – G110 1. Nf3 d5 2. c4 e6 3. g3 Be7 4. Bg2 Nf6 5. O-O O-O 6. d4 Nbd7 7. Nbd2 c6 8. b3 b6 9. Bb2 Bb7 10. Qc2 Rc8
1969 Rumania – Round 1 – Gheorghiu, Florin – 1-0 – Radulescu, Constantin – G3 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 Nbd7 7. Nbd2 c6 8. Qc2 b6 9. e4 Bb7 10. b3 Rc8