A14i — English: Neo-Catalan Declined, 5…O-O 6.b3 c5 7.Bb2

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 c5 7.Bb2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e5, Bb2 actif, paire de fous.
Faiblesses adverses : Be7 enfermé, Bc8 enfermé.
Problèmes : Bg2 enfermé.
Plans :
● Nc3 — Développer Nb1
● h3 — Empêcher ...Bg4
● d3 — Protéger e4, libérer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, paire de fous.
Faiblesses adverses : Bg2 enfermé.
Problèmes : Be7 enfermé, Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d4 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A14i — Neo-Catalan Declined

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 c5 7.Bb2

Eval: [+0.04]

Les coups candidats

7…Nc6 — 84.3% (3615 parties) →

Ambassadeurs : McNab, Colin A (20x), Flear, Glenn C (14x), Pribyl, Josef (13x), Espig, Lutz (13x), Miles, Anthony J (10x), Kahl, Fred (10x), Polugaevsky, Lev (9x), Moehring, Guenther (9x)

7…d4 — 8.3% (354 parties)

Ambassadeurs : Balzar, Andreas, Dr. (3x), Geller, Efim P. (2x), Maeser, Fabian (2x), Kovacs, Klara (2x), Bengtsson, Jessica (2x), Jere, Daniel (2x), Sliwerski, Radoslaw (2x), Konstantinov, Maxim (2x)

7…b6 — 5.9% (254 parties)

Ambassadeurs : Upton, Timothy J (3x), Darga, Klaus (2x), Baltgailis, Vesma (2x), Wittje, Berthold (2x), Israel, Jens (2x), Zier, Oliver (2x), Shuvalova, Polina (2x), Mostbauer, Florian (2x)

7…Nbd7 — 0.7% (29 parties)

Ambassadeurs : Verber, Richard William (1x), Dietze, Wolfgang, Dr. (1x), Pelts, Roman (1x), Ivanenko Bogdan (1x), Avram, Sretko (1x), Januszewski, Jerzy (1x), Campbell, Brett (1x), Brown, Paul (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Nc6	7…d4	7…b6	7…Nbd7
<1800	65	88%	2%	6%	3%
1800-2200	1238	82%	10%	6%	1%
2200-2600	2335	85%	8%	6%	0%
2600+	105	85%	11%	4%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Nc6	7…d4	7…b6	7…Nbd7
1920s	4	100%	—	—	—
1930s	25	84%	4%	8%	—
1940s	16	100%	—	—	—
1950s	17	94%	6%	—	—
1960s	95	91%	2%	4%	2%
1970s	152	91%	3%	5%	1%
1980s	373	88%	4%	6%	1%
1990s	672	87%	4%	8%	1%
2000s	821	88%	6%	5%	0%
2010s	1732	83%	10%	5%	1%
2020s	382	69%	20%	10%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Nc6	83%	69%	▼ -14.4%
7…d4	10%	20%	▲ +10.0%
7…b6	5%	10%	▲ +5.2%
7…Nbd7	1%	0%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 10 parties
Tal, Mikhail — 6 parties
Botvinnik, Mikhail — 3 parties
Kasparov, Garry — 3 parties
Anand, Viswanathan — 3 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Hou, Yifan — 2 parties
Euwe, Max — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie

Parties historiques

7…Nc6 — 84.3% (3615 parties)

1924 — Carls, Carl vs Wagner, Heinrich — 1/2-1/2 — Bremen GER
1927 — Davidson, Jacques vs Olland, Adolf George — 1/2-1/2 — Utrecht NED
1928 — Reti, Richard vs Hoenlinger, Baldur — 0-1 — Trencianske Teplice SVK
1929 — Tereba, R. vs Treybal, Frantisek — 0-1 — Prague CZE
1931 — Flohr, Salo vs Stoltz, Gösta — 1/2-1/2 — Goteborg SWE

7…d4 — 8.3% (354 parties)

1931 — Lokvenc, Josef vs Koenig, Imre — 0-1 — Trebitsch mem14
1959 — Tymoshenko, Peter vs Teters, Arthur — 0-1 — Sydney AUS
1963 — Plater, Kazimierz vs Fronczek, Heinrich — 1/2-1/2 — Polanica Zdroj POL
1964 — Hoad, PC. vs Dodson, P. — 0-1 — British CC Ch 1964-65
1974 — Ogaard, Leif vs Kristiansen, Erling — 1/2-1/2 — Oslo NOR

7…b6 — 5.9% (254 parties)

1938 — Klausen, Viggo vs Nielsen, Julius — 0-1 — Copenhagen DEN
1938 — Vidmar, Milan Jr vs Trifunovic, Petar — 1/2-1/2 — Ljubljana
1960 — Prameshuber, Alexander vs Kostro, Jerzy — 1-0 — Budapest HUN
1961 — Olafsson, Fridrik vs Darga, Klaus — 1-0 — Bled SLO
1968 — Benko, Pal vs Hamann, Slawomir — 1/2-1/2 — Lugano SUI

7…Nbd7 — 0.7% (29 parties)

1968 — Pelts, Roman vs Ivanenko Bogdan — 1-0 — Kiev UKR
1969 — Verber, Richard William vs Dietze, Wolfgang, Dr. — 0-1 — Dresden GER
1977 — Todorcevic Antic, Miodrag vs Padevsky, Nikola — 0-1 — Timisoara
1980 — Avram, Sretko vs Januszewski, Jerzy — 0-1 — Noordwijkerhout
1982 — Campbell, Brett vs Brown, Paul — 0-1 — Seattle, WA USA

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Actif (mob. 6)
Bg2	● Bg2 Enfermé (mob. 2)
Be7		● Be7 Enfermé (mob. 1)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (b1, a1)	3 (b8, c8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d2-d3, ● e2-e3	● …d5-d4, ● …e6-e5

Partie
1931 Moskou ch-URS – Round 1 – Kasparian, Genrikh – 1/2-1/2 – Rauzer, Vsevolod – G8 1. c4 e6 2. b3 d5 3. Bb2 Nf6 4. g3 Be7 5. Bg2 O-O 6. Nf3 c5 7. O-O dxc4 8. bxc4 Nc6 9. Ne5 Nxe5 10. Bxe5 Ng4
1938 Ljubljana – Round 4 – Vidmar, Milan Jr – 1/2-1/2 – Trifunovic, Petar – G36 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 Be7 5. g3 O-O 6. Bg2 c5 7. O-O b6 8. Ne5 Bb7 9. Nc3 Nbd7 10. f4 Qc8
1960 Budapest zt – Round 3 – Prameshuber, Alexander – 1-0 – Kostro, Jerzy – G22 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 c5 7. c4 b6 8. Ne5 Bb7 9. d4 Qc7 10. cxd5 Bxd5
1961 Bled – Round 15 – Olafsson, Fridrik – 1-0 – Darga, Klaus – G133 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c5 7. Bb2 b6 8. cxd5 Nxd5 9. d4 cxd4 10. Nxd4 Bb7
1963 Rubinstein Memorial – Round 6 – Plater, Kazimierz – 1/2-1/2 – Fronczek, Heinrich – G41 1. g3 d5 2. Nf3 e6 3. Bg2 Nf6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. Bb2 d4 8. e3 Nc6 9. exd4 cxd4 10. d3 e5
GCT Blitz Paris 2018 – Round 15.2 – So, Wesley – 1/2-1/2 – Kramnik, Vladimir – G71 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. Bb2 b6 8. cxd5 Nxd5 9. d4 Bb7 10. dxc5 Bxc5
GCT Rapid Paris 2016 – Round 3.3 – Giri, Anish – 1/2-1/2 – Nakamura, Hikaru – G13 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. Bb2 d4 8. e3 Nc6 9. exd4 cxd4 10. Re1 Ne8
Ultimate Blitz Challenge 2016 – Round 16.1 – Caruana, Fabiano – 0-1 – Nakamura, Hikaru – G31 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 c5 7. c4 d4 8. e3 Nc6 9. exd4 cxd4 10. Re1 Ne8
World Rapid 2016 – Round 15.22 – Tomashevsky, Evgeny – 0-1 – Ganguly, Surya Shekhar – G568 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. Bb2 d4 8. e3 Nc6 9. exd4 cxd4 10. Re1 Bc5
World Rapid 2019 – Round 6.41 – Adhiban, B. – 0-1 – Suleymanli, Aydin – G396 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. Bb2 d4 8. e3 Nc6 9. exd4 cxd4 10. Re1 Ne8