Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, e2→d3, f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● d3-d4	● …c5-c4

A05v — Reti: KIA

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 c5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e4 (Occuper le centre — 66 % des parties) ; Nbd2 (Développer b1 — 13 % des parties) ; Nc3 (Développer b1 — 7 % des parties) ; c4 (Frapper le centre adverse — 6 % des parties) ; c3 (Renforcer le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nc6 (Développer b8 — 68 % des parties) ; ...d6 (Libérer Bc8 — 25 % des parties) ; ...d5 (Occuper le centre — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1952 Helsinki olm – Round 1 – Zita, Filip – 1/2-1/2 – Heinicke, Herbert – G303 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. c3 d5 8. Nbd2 b6 9. Re1 e6 10. exd5 Nxd5
1953 Mar del Plata – Round 1 – Ojanen, Kaarle S – 1/2-1/2 – Bolbochan, J. – G36 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nbd2 Nc6 7. e4 d6 8. c3 Bd7 9. Re1 Rc8 10. Nf1 b5
1954 Prague zt – Round 16 – Hodja, B. – 0-1 – Sajtar, Jaroslav – G92 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. c3 d6 8. h3 Qc7 9. Nbd2 Bd7 10. Kh2 Rac8
1954 World Championship 20th – Round 17 – Smyslov, Vladimir – 1/2-1/2 – Botvinnik, Mikhail – G17 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. c3 d5 8. e5 Ne8 9. d4 Bg4 10. h3 Bxf3
1955 Moskou ch-URS – Round ? – Korchnoi, Viktor – 0-1 – Botvinnik, Mikhail – G176 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nbd2 d6 8. c3 Ne8 9. Qe2 Nc7 10. Nb3 b6
1955 Moskou ch-URS – Round 11 – Smyslov, Vladimir – 1-0 – Botvinnik, Mikhail – G131 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nbd2 d6 8. a4 Ne8 9. Nc4 e5 10. c3 f5
1956 Debrecen – Round 1 – Dozsa, Paul – 1/2-1/2 – Portisch, Lajos – G19 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O c5 5. d3 O-O 6. e4 d6 7. Nbd2 Nc6 8. a4 Rb8 9. Nc4 Bg4 10. h3 Be6
1956 Denmark ch corr – Round ? – Korning, Peter – 1/2-1/2 – Nielsen, Gunnar – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nbd2 d6 8. a4 Ne8 9. Nc4 e5 10. c3 f5
1956 Montevideo – Round 1 – Rossetto, Hector – 1-0 – De Souza Mendes, Joao – G49 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. c4 d5 7. Nc3 d4 8. Na4 Na6 9. a3 Nd7 10. Bd2 Rb8
1956 New York – Round 1 – Saidy, Anthony – 1-0 – Green, Matthew R – G6 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nbd2 Nc6 7. e4 d6 8. a4 Rb8 9. Ne1 d5 10. exd5 Nxd5
1957 Mar del Plata – Round 4 – Bianco Esposito, Antonio – 1-0 – Rubio Aguado, Fernando – G49 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 d6 7. Nbd2 Nc6 8. a4 e5 9. Nc4 b6 10. c3 Ne8
1957 New Jersey State Ch Open – Round 2 – Fischer, Robert J – 1-0 – Green, Matthew R – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nbd2 Nc6 7. e4 d6 8. a4 Rb8 9. Nc4 b6 10. e5 dxe5
1957 New York ch-USA – Round 1 – Feuerstein, Arthur – 0-1 – Bernstein, Sidney – G5 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O c5 5. d3 O-O 6. e4 Nc6 7. Nbd2 d6 8. Re1 Bd7 9. h3 Qc8 10. Kh2 b5
1957 New York ch-USA – Round 1 – Feuerstein, Arthur – 1-0 – Seidman, Herbert – G4 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nbd2 b6 8. Re1 Bb7 9. c3 Nh5 10. Nc4 f5
1957 URS Ch, semi final – Round 1 – Lutikov, Anatoly S – 1-0 – Vladimirov, Boris T – G35 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nc3 Rb8 8. Be3 d6 9. h3 b5 10. Qd2 Re8
1959 Buenos Aires JM – Round 1 – Bielicki, Carlos – 1-0 – Bahamonde Corral, Alejandro – G12 1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nc3 Nc6 7. a3 Rb8 8. Rb1 d6 9. b4 Ng4 10. Bd2 cxb4
1959 Marianske Lazne – Round 6 – Rabar, Braslav – 1-0 – Jensen, Erik Bartram – G46 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nc3 d5 7. a3 Nc6 8. Rb1 e6 9. Bd2 h6 10. b4 Nd7
1960 BRA-ch27 – Round 9 – Benevides, Carlos – 0-1 – De Souza Mendes, Joao – G19 1. Nf3 Nf6 2. g3 c5 3. d3 g6 4. Bg2 Bg7 5. O-O O-O 6. e4 d6 7. Nbd2 Nc6 8. h3 h6 9. c3 e5 10. Nc4 Be6
1960 Olympiad final C – Round 8 – Anastassopulos, Anastasios – 1/2-1/2 – Campomanes, Florencio – G16 1. Nf3 Nf6 2. g3 g6 3. Bg2 c5 4. d3 Bg7 5. O-O O-O 6. e4 d6 7. Nbd2 Nc6 8. a4 Bg4 9. h3 Bd7 10. Nc4 Rb8
1961 Utrecht – Round 1 – Van de Pol, Jan – 0-1 – Matanovic, Aleksandar – G11 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d3 O-O 5. O-O c5 6. e4 Nc6 7. Re1 d6 8. c3 e5 9. d4 cxd4 10. cxd4 Bg4
1961 Vrnjacka Banja ct women – Round 14 – Gresser, Gisela Kahn – 0-1 – Zatulovskaya, Tatiana – G75 1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nbd2 d6 8. Re1 Rb8 9. c3 b5 10. Nf1 b4
1964 Burevestnik CC Ch – Round ? – Roshal, Alexander – 0-1 – Stoliar, Efim Samoilovich – G10 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nh4 d6 8. f4 Bd7 9. a4 a6 10. f5 b5
1964 DDR Ch 14. Magdeburg GER – Round 17 – Bruemmer, Ullrich – 1/2-1/2 – Maedler, Juergen, Dr. – G14 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O c5 5. d3 O-O 6. Nbd2 Nc6 7. c3 d5 8. e4 e5 9. Qc2 h6 10. Nh4 Be6
1964 EU Team Ch sf – Round 5.7 – Flesch, Janos – 1-0 – Spiridonov, Nikola – G77 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nbd2 d6 8. Nc4 b5 9. Ne3 Rb8 10. Ng5 Bd7
1965 POL Ch 22th – Round 8 – Manasterski, Lutoslaw – 0-1 – Bednarski, Jacek B – G46 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. c4 d5 7. cxd5 Nxd5 8. Qb3 Nc6 9. Nc3 Nc7 10. Be3 b6
1965 SWE Ch – Round 10 – Fridh, Anton – 0-1 – Akvist, Hakan – G34 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 d6 7. c3 Nc6 8. Re1 Bg4 9. h3 Bxf3 10. Qxf3 Rc8
1967 Moscow – Round 1 – Guseva, Evgenia M. – 0-1 – Kushnir, Alla – G140 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 d6 7. Nbd2 Nc6 8. Qe1 Qc7 9. Nc4 b5 10. e5 bxc4
1967 URS-ch35 – Round 1 – Levin Astorga, Nicolas Daniel – 0-1 – Vasiukov, Evgeni – G100 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nc3 Nc6 7. a3 d6 8. Rb1 b6 9. d4 Bb7 10. d5 Nd4
1969 Athens zt – Round 14 – Hort, Vlastimil – 1-0 – Siaperas, Triantafyllos – G78 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 d6 7. Nbd2 Nc6 8. a4 Rb8 9. Nc4 b6 10. Bd2 Bb7
World Blitz 2017 – Round 5.36 – Zhao, Jun – 1-0 – Kokarev, Dmitry – G261 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nc3 Nc6 7. a3 Rb8 8. Rb1 b6 9. b4 d6 10. Bg5 Bb7

A05v — Reti: KIA (1952)

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 c5

Les coups candidats

6.e4 — 66.3% (1245 parties)

Ambassadeurs : Niermann, Michael, Dr. (8x), Biyiasas, Peter (5x), Gierse, Heinz-Dieter, Dr. (5x), Botvinnik, Mikhail (4x), Kahn, Evarth Dr. (4x), Anastassopulos, Anastasios (3x), Theel, Thomas (3x), Jansa, Vlastimil (3x)

6.Nbd2 — 14.8% (278 parties)

Ambassadeurs : Clews, W. A. (3x), Fischer, Robert J (2x), Cavalcanti, Jose Maria (2x), Tia, Rudy Jr. (2x), Clark, Stephen L. (2x), Anastassopoulos, Alexio (1x), Darga, Klaus (1x), Somers, Staf (1x)

6.c4 — 8.6% (161 parties)

Ambassadeurs : Grassi, Enrico (2x), Mohr, Georg (2x), Kowohl, Andreas (2x), Gostomelski, Vladimir (2x), Czina, Peter (2x), Onyshchuk, Volodymyr (2x), Gaboyan, Susanna (2x), Wheeler, John F (1x)

6.c3 — 5.3% (99 parties)

Ambassadeurs : Vujadinovic, Goran (4x), Keschitz, Gyorgy (4x), Habibi, Ali (4x), Maier, Christian (2x), Zimmerman, Yuri (2x), Sveen, L. (1x), Mack, Andrew L (1x), Suer, Nevzat (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.e4	6.Nbd2	6.c4	6.c3
<1800	123	62%	18%	10%	3%
1800-2200	824	64%	18%	8%	4%
2200-2600	630	70%	9%	8%	8%
2600+	7	14%	14%	43%	14%

Évolution par décennie (% des parties)

Décennie	N parties	6.e4	6.Nbd2	6.c4	6.c3
1950s	36	75%	17%	3%	—
1960s	36	67%	11%	11%	3%
1970s	62	63%	10%	3%	3%
1980s	98	65%	14%	7%	9%
1990s	452	69%	16%	7%	4%
2000s	474	65%	17%	7%	6%
2010s	586	65%	13%	12%	5%
2020s	134	63%	15%	7%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.e4	65%	63%	▼ -1.9%
6.Nbd2	13%	15%	▲ +2.0%
6.c4	12%	7%	▼ -4.5%
6.c3	5%	7%	▲ +2.5%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 4 parties

Parties historiques

6.e4 — 66.3% (1245 parties)

1951 — Lange, Aleksander vs Rossolimo, Nicolas — 0-1 — Dortmund GER
1952 — Al Husari, Zita Fatima vs Heinicke, Herbert — 1/2-1/2 — Helsinki olm
1954 — Kramer, Haije vs Schmitt, Ludwig — 0-1 — Utrecht NED
1954 — Bujan, Hodja vs Sajtar, Jaroslav — 0-1 — Prague CZE
1954 — Smyslov, Vasily vs Botvinnik, Mikhail — 1/2-1/2 — Moskou wch-m

6.Nbd2 — 14.8% (278 parties)

1953 — Ojanen, Kaarle S vs Bolbochan, Jacobo — 1/2-1/2 — Mar del Plata ARG
1955 — Somers, Staf vs Van Oosterom, Joop — 0-1 — Wch U20 prel-A
1956 — Saidy, Anthony vs Abigail Wanjiru Green — 1-0 — New York, NY USA
1957 — Fischer, Robert J vs Green Marwa — 1-0 — New Jersey
1957 — Fischer, Robert J vs Green, Matthew R — 1-0 — East Orange

6.c4 — 8.6% (161 parties)

1956 — Nassimbwa Rosette vs Souza Mendes, Joao — 1-0 — Montevideo URU
1962 — Wheeler, John F vs Khodos, German — 0-1 — Marianske Lazne
1965 — Manasterski, Lutoslaw vs Bednarski, Jacek — 0-1 — Lublin POL
1965 — Goethals, Fernand vs Ree, Hans — 1/2-1/2 — Sinaia
1969 — Ager, Maria vs Shaughnessy, Elizabeth — 1-0 — Lublin POL

6.c3 — 5.3% (99 parties)

1964 — Sveen, L. vs Mack, Andrew L — 0-1 — Huron Valley Open
1973 — Anceschi, Vittorio vs Baena, Mauricio — 1-0 — Groningen NED
1979 — Lloyd, Kenneth W vs Knott, Simon J B — 0-1 — Chester ch-BCF
1982 — Suer, Nevzat vs Smith, Robert W — 1/2-1/2 — Luzern olm
1984 — Utasi, Tamas vs Stohl, Igor — 1/2-1/2 — Tatran Cup Stary Smokovec SVK

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