E05l — Catalan: Open, Classical, 8.a4 Bd7

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 6.O-O O-O 7.Qc2 a6 8.a4 Bd7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes f4, e5 et g5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Une pièce en prise (le pion en c4).

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Exploiter la case forte d5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (4 contre 2), la case forte d5, un avant-poste en d5, des fous actifs en d7 et e7, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8 et la tour a8).

Plans. ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● d5 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v0)	● d5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bd7		● Bd7 Actif (mob. 5)
Be7		● Be7 Actif (mob. 4)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	2 (● b8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e6-e5

Partie
1966 Hungary – Round 1 – Honfi, K. – 1/2-1/2 – Dely, Peter – G40 1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Ne5 Bc6 10. Nxc6 Nxc6
1966 Rubinstein Memorial 04th – Round 11 – Smyslov, Vladimir – 1/2-1/2 – Kluger, Gyula – G62 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Nbd2 Bc6 10. Nxc4 Be4
40. Olympiad Open 2012 – Round 11.2 – Leko, Peter – 1/2-1/2 – Aronian, Levon – G600 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
42. Olympiad 2016 – Round 4.3 – Laznicka, Viktor – 1/2-1/2 – Nakamura, Hikaru – G288 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
43. Olympiad 2018 – Round 3.14 – Maghsoodloo, Parham – 1-0 – Kovalev, Vladislavadislav – G174 1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 b5
43. Olympiad 2018 – Round 6.1 – Naiditsch, Arkadij – 1-0 – Hracek, Zbynek – G359 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 Nbd7
43. Olympiad 2018 – Round 6.10 – Can, Ecrin Azra – 1/2-1/2 – Aleksandrov, Aleksej – G362 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 b5
43. Olympiad 2018 – Round 9.14 – Adly, Ahmed – 1-0 – Sebenik, Matej – G572 1. d4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Qxc4 a5
6. Norway Chess 2018 – Round 7.4 – Mamedyarov, Shakhriyar – 1/2-1/2 – So, Wesley – G31 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 b5
6. Tal Memorial 2011 – Round 8 – Kramnik, Vladimir – 1/2-1/2 – Karjakin, Sergey – G28 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
76. Tata Steel Masters 2014 – Round 4.1 – Van Wely, Loek – 1/2-1/2 – Harikrishna, Pentala – G19 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Nc6 10. Qxc4 Nb4
8. Tal Memorial 2013 – Round 8.2 – Andreikin, Dmitry – 1/2-1/2 – Karjakin, Sergey – G28 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Ne5 Nc6 10. Qxc4 Nxe5
Amber-rapid 5th 1996 – Round 11 – Piket, Jeroen – 1-0 – Lautier, Joel – G48 1. d4 d5 2. Nf3 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
FIDE World Cup 2015 – Round 1.2 – Kovalyov, Anton – 1/2-1/2 – Kasimdzhanov, Rustam – G70 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
FIDE World Cup 2017 – Round 2.2 – Gelfand, Boris – 1/2-1/2 – Wang, Hao(ZJWZ) – G223 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 Nbd7
FIDE World Cup 2017 – Round 4.1 – Dubov, Daniil – 1/2-1/2 – Aronian, Levon – G376 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 a5
FIDE World Cup 2019 – Round 2.1 – Abasov, Nijat – 1/2-1/2 – Dominguez Perez, Leinier – G202 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Ne5 Bc6 10. Nxc6 Nxc6
It 1980 – Round 1 – Sosonko, Gennadi – 1/2-1/2 – Karpov, Anatoly – G1 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Ne5 Bc6 10. Nxc6 Nxc6
Levitov Chess Week Rapid 2023 – Round 8.5 – Dubov, Daniil – 1-0 – Grischuk, Alexander – G40 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 b5
Palma De Mallorca GP 2017 – Round 7.1 – Rapport, Richard – 1/2-1/2 – Aronian, Levon – G55 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 a5
Sharjah Grand Prix 2017 – Round 7.3 – Grischuk, Alexander – 1/2-1/2 – Adams, Michael – G57 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 Nbd7
SportAccord Blitz 2014 – Round 11.2 – Wang, Hao(ZJWZ) – 1/2-1/2 – Harikrishna, Pentala – G82 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Nc6 10. Qxc4 b5
SportAccord Blitz 2014 – Round 23.4 – Wang, Hao(ZJWZ) – 1-0 – Dominguez Perez, Leinier – G179 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
USA Ch 2017 – Round 9.1 – Xiong, Jeffery – 0-1 – So, Wesley – G49 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
USA Ch 2018 – Round 4.6 – Zherebukh, Yaroslav – 1/2-1/2 – Onischuk, Alexanderexander – G24 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 Nbd7
Vugar Gashimov Mem 2018 – Round 9.2 – Wojtaszek, Radoslaw – 1/2-1/2 – Giri, Anish – G42 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 b5
World Blitz 2009 – Round 33 – Tkachiev, Vladislav – 1/2-1/2 – Anand, Viswanathan – G341 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Ne5 Bc6 10. Nxc6 Nxc6
World Blitz 2019 – Round 12.1 – Dubov, Daniil – 1/2-1/2 – Nakamura, Hikaru – G788 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 Nbd7
World Blitz 2019 – Round 16.54 – Yuffa, Daniil – 1-0 – Zarnicki, Pablo – G1096 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Rd1 a5
World Blitz 2019 – Round 17.58 – Kezin, Roman – 1-0 – Ganguly, Surya Shekhar – G1167 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Bxf6 Bxf6
World Blitz 2019 – Round 7.58 – Esipenko, Andrey – 1-0 – Atabayev, Saparmyrat – G497 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 Be4
World Rapid 2019 – Round 11.29 – Aravindh, Chithambaram VR. – 1/2-1/2 – Saini Vidit – G706 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Bg5 b5
World Rapid 2019 – Round 12.65 – Kezin, Roman – 1-0 – Vokhidov, Shamsiddin – G805 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Bxf6 Bxf6
World Rapid 2019 – Round 14.67 – Kezin, Roman – 1-0 – Suleymanli, Aydin – G933 1. d4 d5 2. c4 e6 3. Nf3 Be7 4. g3 Nf6 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 Bc6 10. Bxf6 Bxf6
XXIII Rapid KO 2010 – Round 2.2 – Gelfand, Boris – 1/2-1/2 – Aronian, Levon – G12 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bxf3
Yerevan ol (Men) 1996 – Round 10 – Kaidanov, Gregory – 1/2-1/2 – Almasi, Zoltan – G143 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 Bc6 10. Nc3 Bb4

E05l — Open Classical

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 6.O-O O-O 7.Qc2 a6 8.a4 Bd7

Eval: [+0.19]

Les coups candidats

9.Qxc4 — 76.5% (6345 parties) →

Ambassadeurs : Beliavsky, Alexander G (34x), Aronian, Levon (24x), Kozul, Zdenko (22x), Armani, Giuseppe (21x), Rawlings, Alan J C (20x), Harvey, Donald J (20x), Salzmann, Stefan (18x), Romanishin, Oleg M (17x)

9.Rd1 — 13.1% (1083 parties)

Ambassadeurs : Rashkovsky, Nukhim N (8x), Donchenko, Alexander (7x), Geller, Efim P. (6x), Khalifman, Alexander (6x), Zhao, Shengxin (6x), Kaidanov, Gregory (5x), Romanishin, Oleg M (5x), Piket, Jeroen (5x)

9.Ne5 — 5.9% (493 parties)

Ambassadeurs : Kozul, Zdenko (9x), Cvitan, Ognjen (6x), Rogers, Ian (5x), Rapport, Jovana (4x), Heinig, Wolfram, Dr. (4x), Goryachkina, Aleksandra (4x), Sosonko, Gennadi (3x), Karpov, Anatoly (3x)

9.Bg5 — 2.2% (185 parties)

Ambassadeurs : Burmakin, Vladimir (8x), Kezin, Roman (5x), Vadasz, Laszlo (3x), Mateuta, Gabriel (3x), Yuffa, Daniil (3x), Dubov, Daniil (3x), Bruseghini, Felix (2x), Zarnicki, Pablo (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Qxc4	9.Rd1	9.Ne5	9.Bg5
<1800	88	77%	14%	5%	—
1800-2200	1927	75%	11%	8%	2%
2200-2600	5248	76%	14%	5%	2%
2600+	653	84%	11%	3%	3%

Évolution par décennie (% des parties)

Décennie	N parties	9.Qxc4	9.Rd1	9.Ne5	9.Bg5
1960s	2	—	—	50%	—
1970s	49	67%	10%	14%	—
1980s	233	52%	26%	16%	0%
1990s	562	71%	10%	14%	1%
2000s	1255	79%	9%	7%	2%
2010s	3711	76%	14%	5%	2%
2020s	2477	79%	13%	4%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Qxc4	76%	79%	▲ +2.6%
9.Rd1	14%	13%	▼ -1.4%
9.Ne5	5%	4%	▼ -0.9%
9.Bg5	2%	3%	+0.2%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 9 parties
Carlsen, Magnus — 7 parties
Smyslov, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Tal, Mikhail — 1 partie

Parties historiques

9.Qxc4 — 76.5% (6345 parties)

1974 — Rogoff, Kenneth vs Barczay, Laszlo — 1/2-1/2 — Polancia Zdroj
1975 — Mednis, Edmar J vs Commons, Kim S — 1-0 — Oberlin, OH USA
1975 — Mednis, Edmar J vs Barczay, Laszlo — 1/2-1/2 — Szolnok
1977 — Polugaevsky, Lev vs Geller, Efim P. — 1/2-1/2 — Leningrad ch-URS
1977 — Alburt, Lev vs Spiridonov, Nikola — 1-0 — Decin CZE

9.Rd1 — 13.1% (1083 parties)

1979 — Rashkovsky, Nukhim N vs Geller, Efim P. — 1/2-1/2 — Soviet Union
1979 — Romanishin, Oleg M vs Huebner, Robert — 1/2-1/2 — Tilburg NED
1979 — Giorgadze, Tamaz vs Dolmatov, Sergey — 1-0 — Minsk ch-URS
1979 — Rashkovsky, Nukhim N vs Geller, Efim P. — 1/2-1/2 — Minsk ch-URS
1979 — Romanishin, Oleg M vs Huebner, Robert — 1/2-1/2 — Tilburg NED

9.Ne5 — 5.9% (493 parties)

1966 — Honfi, K. vs Dely, Peter — 1/2-1/2 — Budapest HUN
1974 — Enklaar, Bert vs Dely, Peter — 1/2-1/2 — Amsterdam II
1975 — Liebert, Heinz vs Barczay, Laszlo — 0-1 — Szolnok
1978 — Ghitescu, Theodor vs Rosenlund, Thorbjorn — 1/2-1/2 — Roskilde DEN
1978 — Helmers, Knut Joran vs Pokojowczyk, Jerzy — 1/2-1/2 — Makarczyk op

9.Bg5 — 2.2% (185 parties)

1985 — Garcia Palermo, Carlos Horacio vs Gruenfeld, Yehuda — 0-1 — Brussels BEL
1990 — Vadasz, Laszlo vs Dutreeuw, Marc — 1-0 — Miskolc
1992 — Vadasz, Laszlo vs Loginov, Valery A — 1/2-1/2 — Konsumex
1994 — Lalic, Bogdan vs Lacrosse, Marc — 1-0 — Val Thorens FRA
1994 — Vadasz, Laszlo vs Kabatianski, Alexander — 0-1 — Budapest II

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