Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, f2→g3, h2→g3	● d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v0), ● b5 (2v0), ● d5 (3v0)	● d4 (3v0), ● e5 (3v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d5 (3v0), ● e4 (2v0)	● d4 (3v0), ● e5 (3v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 6)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● c1, ● a1, ● h1)	4 (● g8, ● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● d2-d4	● …d6-d5

A36i — English: Symmetrical, 5.a3 d6

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.a3 d6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Rb1 (77 % des parties) ; Nf3 (Développer g1 — 8 % des parties) ; e3 (Solidifier le centre — 7 % des parties) ; d3 (Solidifier le centre — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...a5 (58 % des parties) ; ...e5 (Occuper le centre — 9 % des parties) ; ...Nf6 (Développer g8 — 8 % des parties) ; ...Bd7 (Fou actif (mobilité 5), Développer c8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1957 Leningrad Ch – Round 12 – Taimanov, Mark E – 1-0 – Suetin, Alexey S – G88 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 d6 6. Rb1 a5 7. Nf3 e5 8. d3 Nge7 9. O-O O-O 10. Ne1 Be6
1958 New York ch-USA – Round 1 – Benko, Pal – 0-1 – Evans Lianda – G1 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 d6 6. d3 Nf6 7. Rb1 a5 8. Nf3 O-O 9. O-O Bd7 10. Bd2 Rb8
1958 Yugoslavia – Round 1 – Kotov Lundqvist, Alex – 1-0 – Fuderer, Andrija – G1 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. d3 e6 8. Nh3 Nge7 9. Nf4 O-O 10. O-O b6
1960 Buenos Aires – Round 1 – Reshevsky, Samuel – 0-1 – Evans, Larry M – G3 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. a3 d6 6. Nf3 e5 7. O-O Nge7 8. Rb1 Be6 9. d3 h6 10. b4 Rb8
1960 Buenos Aires ch-ARG – Round 14 – Bolbochan, J. – 1/2-1/2 – Eliskases – G96 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 d6 6. Rb1 a5 7. d3 Nf6 8. h3 O-O 9. e4 Ne8 10. Nge2 Nc7
1960 Moscow-Leningrad m – Round 2.6 – Kotov Lundqvist, Alex – 1/2-1/2 – Furman Oman, Anze – G40 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. d3 Nf6 7. Rb1 a5 8. Nh3 O-O 9. O-O Bd7 10. Nf4 Ne8
1960 Varna Varna BUL – Round 12 – Neikirkh, Oleg – 1/2-1/2 – Fichtl, Jiri – G44 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 d6 6. Rb1 Bd7 7. d3 Rb8 8. Bd2 Nf6 9. b4 b6 10. b5 Na5
1963 LAT Ch – Round ? – Gipslis, Aivars – 1-0 – Solmanis, Zigfrids – G67 1. g3 g6 2. Bg2 Bg7 3. c4 c5 4. Nc3 Nc6 5. a3 d6 6. Rb1 a5 7. Nf3 e6 8. O-O d5 9. cxd5 exd5 10. d4 Nxd4
1963 URS – Round ? – Sazonov L – 1-0 – Kapengut, Albert – G1 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 d6 6. Rb1 h5 7. Nf3 Be6 8. d3 a5 9. O-O Rb8 10. Na2 b5
1965 Sinaia stud ol final – Round 6 – Kagan, Shimon – 1-0 – Georgescu, Vasile-Maxim – G28 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 d6 6. Nh3 Nf6 7. Nf4 Bd7 8. d3 Rb8 9. Rb1 Ne5 10. b4 Bc6
1966 Panamerican – Round 1 – Bielicki, Carlos – 1/2-1/2 – Letelier Martner, Rene – G5 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 d6 6. Rb1 Bf5 7. d3 Qc8 8. Bd2 Nf6 9. b4 O-O 10. h3 Re8
1967 Rubinstein Memorial – Round 8 – Schmidt, Waldemar – 1/2-1/2 – Doda, Zbigniew – G31 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. Nf3 Bd7 8. d3 Nf6 9. O-O O-O 10. Ne1 Ne8
1968 Lublin PKWN 4th – Round 7 – Szilagyi, Gyorgy Laszlo – 1-0 – Pietrusiak, Bogdan – G20 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. d3 e5 8. Nf3 Nge7 9. O-O O-O 10. Bd2 h6
1969 Athens zt – Round 13 – Levy, David N L – 0-1 – Gheorghiu, Florin – G65 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 d6 6. Nf3 e5 7. O-O Nge7 8. Rb1 a5 9. d3 O-O 10. Ne1 Be6
1969 Mar del Plata zt – Round 1 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Camara, Hamady – G5 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. d3 e6 8. h4 h6 9. e3 Nge7 10. Nge2 b6
1969 Monte Carlo – Round 1 – Benko, Pal – 0-1 – Schmid, Leo – G5 1. c4 g6 2. g3 c5 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 d6 6. Rb1 a5 7. Nf3 e5 8. d3 Nge7 9. O-O O-O 10. Ne1 Be6
1969 POL Ch 26th – Round 10 – Lewi, Jerzy – 1/2-1/2 – Adamski, Jan – G44 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. a3 d6 6. Nf3 a5 7. O-O e5 8. Ne1 Nge7 9. Nc2 1/2-1/2
1969 Schwerin – Round 13 – Espig, Lutz – 1/2-1/2 – Malich, Burkhard, Dr. – G91 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. e3 e5 8. Nge2 Nge7 9. O-O O-O 10. d3 Rb8
1972 San Antonio – Round 11 – Evans, Larry M – 1/2-1/2 – Karpov, Anatoly – G4 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 d6 6. Rb1 a5 7. Nf3 e5 8. O-O Nge7 9. d3 O-O 10. Bd2 Rb8
78. Tata Steel GpA 2016 – Round 1.2 – So, Wesley – 1-0 – Giri, Anish – G3 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. d3 e5 8. Nd5 Nce7 9. Nc3 Nc6 10. e4 Nge7
Botvinnik Memorial 2011 – Round 4 – Carlsen, Magnus – 0-1 – Aronian, Levon – G7 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. e3 e5 8. Nge2 Nge7 9. O-O O-O 10. d3 Rb8
Corus 2002 – Round 8 – Van Wely, Loek – 1/2-1/2 – Lautier, Joel – G50 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. Rb1 a5 7. d3 e6 8. Nh3 Nge7 9. Nf4 O-O 10. O-O Rb8
Corus A 2005 – Round 4 – Ponomariov, Ruslan – 1/2-1/2 – Leko, Peter – G21 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. e3 e6 7. Nge2 Nge7 8. Nf4 Rb8 9. O-O O-O 10. Rb1 b6
Interpolis 1990 – Round 5 – Seirawan, Yasser – 1/2-1/2 – Andersson, Ulf 1949 – G14 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 d6 6. e3 Bxc3 7. bxc3 Qc7 8. d3 f5 9. Nh3 e5 10. O-O Nf6
Manila Interzonal 1990 – Round 5 – Seirawan, Yasser – 1/2-1/2 – Ljubojevic, Ljubomir – G76 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 d6 6. e3 Be6 7. d3 Qd7 8. h3 Nf6 9. e4 O-O 10. Nge2 Qd8
World Blitz 2017 – Round 13.50 – Malakhatko, Vadim – 0-1 – Kokarev, Dmitry – G703 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. a3 d6 6. Rb1 a5 7. d3 e6 8. Nf3 Nge7 9. Bg5 h6 10. Bd2 O-O
World Blitz 2017 – Round 3.24 – Malakhatko, Vadim – 1/2-1/2 – Safarli, Elmir – G138 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. a3 d6 6. Rb1 e6 7. d3 Nge7 8. Bg5 h6 9. Bd2 O-O 10. Qc1 Kh7
World Blitz 2018 – Round 2.36 – Maghsoodloo, Parham – 1-0 – Vastrukhin, Oleg – G101 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. a3 d6 6. Rb1 e6 7. b4 Nge7 8. Nf3 O-O 9. O-O b6 10. e3 Bb7
Yerevan ol (Men) 1996 – Round 9 – Hickl, Joerg – 1/2-1/2 – Djuric, Stefan – G133 1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. a3 d6 6. Rb1 a5 7. d3 e6 8. e4 Nge7 9. Nge2 O-O 10. O-O h6

A36i — Symmetrical (1957)

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.a3 d6

Les coups candidats

6.Rb1 — 79.6% (1257 parties)

Ambassadeurs : Miezis, Normunds (26x), Hickl, Joerg (12x), Stark, Lars (10x), Taimanov, Mark (9x), Gurevich, Valery M. (8x), Vincent, Trevor (7x), Manouck, Thierry (5x), Giardelli, Sergio C. (5x)

6.Nf3 — 8.4% (132 parties)

Ambassadeurs : Bus, Tom (4x), Winants, Luc (3x), Romanishin, Oleg M (3x), Lehtinen, Heikki (3x), Vokac, Marek (3x), Gagare, Shardul (3x), Levy, David N L (2x), Loew, Gerald (2x)

6.e3 — 5.5% (87 parties)

Ambassadeurs : Seirawan, Yasser (9x), Short, Nigel D (2x), Ehlvest, Jaan (2x), Karlsson, Lars 1937 (2x), Cekro, Ekrem (2x), Lein, Andreas (1x), Watson, John (1x), Kastner, Jeffrey (1x)

6.d3 — 4.7% (74 parties)

Ambassadeurs : Sanz Alonso, Francisco Javier (2x), Stanec, Nikolaus (2x), Titz, Heimo (2x), Bellon Lopez, Juan Manuel (2x), Benko, Pal (1x), Evans, Larry (1x), Abramov, Lev (1x), Anoshin, Gennadi N (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Rb1	6.Nf3	6.e3	6.d3
<1800	48	75%	8%	2%	8%
1800-2200	525	79%	9%	5%	5%
2200-2600	882	82%	8%	5%	4%
2600+	32	59%	6%	22%	6%

Évolution par décennie (% des parties)

Décennie	N parties	6.Rb1	6.Nf3	6.e3	6.d3
1950s	6	67%	—	—	33%
1960s	19	68%	21%	—	5%
1970s	51	76%	6%	8%	8%
1980s	66	83%	6%	6%	3%
1990s	137	78%	7%	9%	4%
2000s	496	81%	8%	5%	3%
2010s	608	79%	9%	5%	6%
2020s	196	79%	9%	5%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Rb1	79%	79%	▼ -0.5%
6.Nf3	9%	9%	+0.3%
6.e3	5%	5%	+0.3%
6.d3	6%	5%	-0.5%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 2 parties
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

6.Rb1 — 79.6% (1257 parties)

1956 — Kotov, Alexander vs Slepoy, Yosef — 0-1 — Leningrad RUS
1957 — Taimanov, Mark vs Suetin, Alexey S — 1-0 — Leningrad RUS
1957 — Rapaka Samuel Paul vs Byrne, David — 1/2-1/2 — New York, NY USA
1958 — Kotov, Alexander vs Fuderer, Andrija — 1-0 — Yugoslavia
1960 — Bolbochan, Julio vs Eliskases, Erich — 1/2-1/2 — Buenos Aires ch-ARG

6.Nf3 — 8.4% (132 parties)

1960 — Rapaka Samuel Paul vs Evans, Larry — 0-1 — Buenos Aires ARG
1969 — Levy, David N L vs Gheorghiu, Florin — 0-1 — Athene zt
1969 — Lewi, Jerzy vs Adamski, Jan — 1/2-1/2 — Lublin POL
1969 — Levy, David N L vs Barczay, Laszlo — 0-1 — Lublin POL
1973 — Ivkov, Borislav vs Martinovic, Slobodan — 1-0 — Sarajevo BIH

6.e3 — 5.5% (87 parties)

1977 — Watson, John vs Kastner, Jeffrey — 1-0 — US-op Columbus, OH USA
1979 — Seirawan, Yasser vs Lein, Andreas — 0-1 — Hastings ENG
1979 — Seirawan, Yasser vs Ilic, Zoran S — 1-0 — Nis SRB
1979 — Seirawan, Yasser vs Short, Nigel D — 0-1 — Hastings ENG
1982 — Seirawan, Yasser vs Giardelli, Sergio C. — 1-0 — Mar del Plata ARG

6.d3 — 4.7% (74 parties)

1958 — Benko, Pal vs Evans, Larry — 0-1 — New York ch-USA
1958 — Abramov, Lev vs Anoshin, Gennadi N — 1-0 — Moscow RUS
1960 — Kotov, Aleksander vs Abramovich Furman, Semyon — 1/2-1/2 — Moscow RUS
1975 — Sanz Alonso, Francisco Javier vs Martin Gonzalez, Angel — 1/2-1/2 — Benidorm
1975 — Sanz Alonso, Francisco Javier vs Bellon Lopez, Juan Manuel — 1-0 — Olot

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