E09q — Catalan: Closed, Main Line, 9.e4 Bb7 10.b3 Rc8 11.Bb2 c5

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 c5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e5, paire de fous.
Faiblesses adverses : Be7 enfermé.
Problèmes : Bg2 enfermé, arriéré f2.
Plans :
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

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

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E09q — 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 c5

Eval: [+0.21]

Les coups candidats

12.exd5 — 81.1% (206 parties)

Ambassadeurs : Gebuhr, Guenter (5x), Donchenko, Anatoly (4x), Krasenkow, Michal (3x), Lindenmair, Anton (3x), Abramovic, Bosko (3x), Glaser, Jens (2x), Priehoda, Vitezslav (2x), Andersson, Ulf (2x)

12.e5 — 16.5% (42 parties)

Ambassadeurs : Odendahl, Steven (2x), Almeda Bauer, Mateo (1x), Reshevsky, Samuel (1x), Lein, Andreas (1x), Lirindzakis, Timotheos (1x), Gratseas, Stefanos (1x), Schoenfeld W (1x), Fuchs Andreas, Prien (1x)

12.cxd5 — 1.2% (3 parties)

Ambassadeurs : Benoit, Michel (1x), Marciniak, Marcel (1x), Ignacz, Maria (1x), Vovk, Anastasiia (1x), Kostojakov, Ivan (1x), Tzigelnik, Evgeniy (1x)

12.dxc5 — 0.8% (2 parties)

Ambassadeurs : Plum, Mark (1x), Hertan, Charles (1x), Vatter, Hans-Joachim (1x), Spiegel, Stefan, Dr. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.exd5	12.e5	12.cxd5	12.dxc5
<1800	5	60%	40%	—	—
1800-2200	56	77%	18%	5%	—
2200-2600	142	82%	18%	—	1%
2600+	4	75%	25%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12.exd5	12.e5	12.cxd5	12.dxc5
1940s	2	100%	—	—	—
1950s	3	100%	—	—	—
1960s	4	100%	—	—	—
1970s	6	67%	33%	—	—
1980s	24	88%	8%	—	—
1990s	61	80%	16%	2%	2%
2000s	75	79%	20%	1%	—
2010s	66	80%	17%	2%	2%
2020s	13	85%	15%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.exd5	80%	85%	▲ +4.3%
12.e5	17%	15%	▼ -1.3%
12.cxd5	2%	0%	▼ -1.5%
12.dxc5	2%	0%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

12.exd5 — 81.1% (206 parties)

1948 — Udovcic, Mijo vs Rabar, Braslav — 0-1 — Belgrade ch-YUG
1949 — Staehelin, Adolf vs Vidmar, Milan Jr — 1/2-1/2 — Ljubljana
1951 — Furman, Semyon vs Zagorovsky, Vladimir — 0-1 — Tbilisi GEO
1951 — Pinzon Solis, Felipe vs Maderna, Carlos — 0-1 — Mar del Plata ARG
1954 — Lubensky, Vitaly vs Stoliarov, L. — 1-0 — ?

12.e5 — 16.5% (42 parties)

1977 — Reshevsky, Samuel vs Lein, Andreas — 1-0 — Mentor ch-USA
1979 — Schoenfeld W vs Fuchs Andreas, Prien — 0-1 — corr DDR-M
1988 — Lirindzakis, Timotheos vs Gratseas, Stefanos — 1-0 — Athens GRE
1989 — Odendahl, Steven vs Almeda Bauer, Mateo — 1-0 — World op Philadelphia, PA USA
1990 — Streitberg, Petr vs Allegro, Valery — 0-1 — Sion

12.cxd5 — 1.2% (3 parties)

1991 — Benoit, Michel vs Marciniak, Marcel — 1-0 — Montpellier FRA
2003 — Ignacz, Maria vs Vovk, Anastasiia — 0-1 — Balatonlelle HUN
2013 — Kostojakov, Ivan vs Tzigelnik, Evgeniy — 1-0 — Abakan

12.dxc5 — 0.8% (2 parties)

1996 — Plum, Mark vs Hertan, Charles — 0-1 — Boston, MA USA
2012 — Vatter, Hans-Joachim vs Spiegel, Stefan, Dr. — 1/2-1/2 — GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● f2	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● b6→c5, e6→d5, a7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	—
Cases faibles	● e4	—
Centre	● d4 (2v1), ● e5 (2v1)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Ok (mob. 3)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Ok (mob. 3)
Be7		● Be7 Enfermé (mob. 1)
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	● e4-e5	● …e6-e5

Partie
1948 Belgrade ch-YUG – Round 2 – Udovcic, Mijo – 0-1 – Rabar, Braslav – G7 1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. Nbd2 Nbd7 7. c4 c6 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1949 YUG-SUI m – Round 1 – Staehelin, Adolf – 1/2-1/2 – Vidmar, Milan Jr – G1 1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 e6 5. O-O Nbd7 6. Nbd2 Be7 7. c4 O-O 8. Qc2 b6 9. b3 Bb7 10. Bb2 Rc8
1951 Mar del Plata zt – Round 1 – Pinzon Solis, Felipe – 0-1 – Maderna, Carlos – G2 1. d4 d5 2. Nf3 Nd7 3. g3 Ngf6 4. Bg2 e6 5. O-O Be7 6. c4 c6 7. Nbd2 O-O 8. b3 b6 9. Bb2 Bb7 10. Qc2 Rc8
1965 Hamburg etc – Round 1 – Besser, Hans – 1/2-1/2 – Voiculescu, Paul – G54 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. e4 Bb7 10. b3 Rc8
1968 Monte Carlo – Round 13 – Smyslov, Vladimir – 1/2-1/2 – Benko, Pal – G80 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
Amber-rapid 6th 1997 – Round 5 – Nikolic, Predrag – 1/2-1/2 – Lautier, Joel – G23 1. d4 d5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. c4 b6 9. Nbd2 Bb7 10. Qc2 Rc8

1948 Belgrade ch-YUG – Round 2 – Udovcic, Mijo – 0-1 – Rabar, Braslav – G7

1949 YUG-SUI m – Round 1 – Staehelin, Adolf – 1/2-1/2 – Vidmar, Milan Jr – G1

1951 Mar del Plata zt – Round 1 – Pinzon Solis, Felipe – 0-1 – Maderna, Carlos – G2

1965 Hamburg etc – Round 1 – Besser, Hans – 1/2-1/2 – Voiculescu, Paul – G54

1968 Monte Carlo – Round 13 – Smyslov, Vladimir – 1/2-1/2 – Benko, Pal – G80

Amber-rapid 6th 1997 – Round 5 – Nikolic, Predrag – 1/2-1/2 – Lautier, Joel – G23