Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g4 (2v0)
Cases faibles	● e4	● d5
Centre	—	● d4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● c1, ● a1, ● h1)	5 (● b8, ● c8, ● f8, ● 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, ● e2-e4, ● f2-f4	—

A23a — English: Bremen, Keres, 4.Bg2 d5 5.cxd5 cxd5

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Qb3 (Prépare O-O-O — 39 % des parties) ; d3 (Solidifier le centre — 33 % des parties) ; d4 (Occuper le centre — 16 % des parties) ; e3 (Solidifier le centre — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nc6 (Développer b8 — 54 % des parties) ; ...e4 (Occuper le centre — 15 % des parties) ; ...d4 (Occuper le centre — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1903 Monte Carlo – Round 24 – Tarrasch, Siegbert – 1-0 – Reggio, Arturo – G46 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 e4 7. f3 d4 8. Nxe4 Be7 9. Nh3 O-O 10. Nf4 Nc6
1950 HUN-ch06 – Round 1 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Sebestyen, Balazs – G2 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 d4 7. Nb1 Nc6 8. O-O Be7 9. d3 O-O 10. Nbd2 Nd5
1958 Haifa/Tel Aviv – Round 4 – Branicki, I – 1-0 – Persitz, Raaphi – G18 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ gxf6 9. Qd1 Qc7 10. Kf1 Be6
1958 New York ch-USA – Round 5 – Byrne, David – 0-1 – Sherwin, James T – G21 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Qc4 Nxd5 9. Bxd5 b5 10. Bxf7+ Ke7
1958 Sofia – Round 3 – Gurgenidze, Bukhuti – 1-0 – Pantaleev, Dimitar – G24 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd3 Bc5 10. e3 Bf5
1959 Buenos Aires JM – Round 9 – Bolbochan, J. – 0-1 – Wexler, Bernardo – G37 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 Bf5 10. d3 Rc8
1960 Buenos Aires – Round 16 – Uhlmann, Wolfgang – 1/2-1/2 – Unzicker, Wolfgang – G162 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d3 Be7 7. Qb3 Be6 8. Nf3 Nc6 9. Ng5 Nd4 10. Qd1 Bc8
1961 Mar del Plata – Round 14 – Silva Nazzari, Roberto – 1/2-1/2 – Perez Perez, Francisco Jose – G115 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 Bf5 10. d3 Rc8
1962 OWL Ch – Round 2 – Bilo, Heinz – 0-1 – Lachmann, Hans G – G4 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d3 Nc6 7. Bg5 Be6 8. Nh3 Qd7 9. Ng1 Be7 10. Bxf6 Bxf6
1963 Buenos Aires ch-ARG – Round 15 – Andrade Herrera, Fernando Alfonso – 1/2-1/2 – Schweber, Samuel – G75 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ gxf6 9. Qd1 Qc7 10. Kf1 Nc2
1964 Buenos Aires – Round 8 – Rossetto, Hector – 1/2-1/2 – Schweber, Samuel – G69 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. d3 Nd4 8. Qd1 h6 9. Nf3 Nxf3+ 10. Bxf3 Be6
1965 Northern Open – Round 11 – Golombek, Harry – 1-0 – Stephenson, Frederick Norman – G15 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. e3 Na5 8. Qb5+ Bd7 9. Qe2 Be6 10. Nf3 Nc6
1966 La Habana olm fin-C – Round 7 – Philippe, Georges – 0-1 – Naranja, Renato – G20 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 Bf5 10. d3 Rc8
1967 Sweden (ch) – Round 4 – Nilsson, Zandor – 1/2-1/2 – Martens, Rolf – G18 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 d4 7. Bxb7 Be6 8. Qa4+ Nbd7 9. Ne4 Rb8 10. Nxf6+ Qxf6
1967 Szczecin ch POL – Round 7 – Dobrzynski, Wojciech – 1/2-1/2 – Adamski, Jan – G31 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. Nc3 d5 5. cxd5 cxd5 6. d3 Nc6 7. Bg5 Be6 8. Nf3 Be7 9. O-O d4 10. Nb1 O-O
1968 Havirov – Round 15 – Giorgadze, Tamaz – 1/2-1/2 – Pantaleev, Dimitar Dimitrov – G51 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 1/2-1/2
1969 DDR Ch women – Round 10 – Pohl, Alessandro – 0-1 – Nowarra, Waltraud – G8 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. e3 Nc6 7. Nge2 Nb4 8. d3 Bf5 9. e4 dxe4 10. dxe4 Qxd1+
1969 EU Ch U20 final-A – Round 5 – Andersson, Ulf 1949 – 1-0 – Atanasov, Petko – G6 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 Nc6 7. d3 h6 8. O-O Be7 9. a3 O-O 10. b4 a6

A23a — Bremen, Keres (1923)

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5

Les coups candidats

6.e3 — 58.0% (640 parties)

Ambassadeurs : Lenaerts, Lennert (5x), Fedorchuk, Sergey A. (4x), Vecek, Marjan (4x), B, Owen (3x), Boder, Jan (3x), LESTER PEMPHERO (3x), Goganov, Aleksey (3x), Niedergesaess, Herbert (2x)

6.Nf3 — 15.8% (174 parties)

Ambassadeurs : Vetter, Udo (3x), Nikolov, Nikolay Petrov (2x), Krause, Christian (2x), Bazakutsa, Svyatoslav (2x), Ulrichsen, Jarl H (1x), Aulin-Jansson, Joran (1x), Weber, Marc, Dr. (1x), Schroeder, Guido (1x)

6.d3 — 12.3% (136 parties)

Ambassadeurs : Caliskan, Ismail (2x), Gusev, Nikolay N (1x), Seoev, Robert (1x), Milev, Zdravko (1x), Siero, Lucas (1x), Resende, Antonio Carlos (1x), Cajal, Andre (1x), Todorcevic Antic, Miodrag (1x)

6.e4 — 7.8% (86 parties)

Ambassadeurs : Weyerstrass, Ronald (2x), Kahl, Fred (2x), Bronts, Geert Kornelis (1x), Jonkheer, Alex (1x), Mitev, Stoyan (1x), Eberle, Werner (1x), Spiegelberg, Olaf (1x), Neumann, Hubertus (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.e3	6.Nf3	6.d3	6.e4
<1800	187	48%	22%	17%	10%
1800-2200	462	62%	13%	11%	6%
2200-2600	191	69%	13%	8%	7%
2600+	29	52%	38%	—	10%

Évolution par décennie (% des parties)

Décennie	N parties	6.e3	6.Nf3	6.d3	6.e4
1950s	1	—	—	100%	—
1960s	4	75%	—	25%	—
1970s	7	86%	—	14%	—
1980s	17	53%	18%	6%	24%
1990s	127	50%	17%	17%	6%
2000s	249	53%	14%	17%	9%
2010s	357	57%	16%	12%	9%
2020s	341	65%	17%	8%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.e3	57%	65%	▲ +8.3%
6.Nf3	16%	17%	▲ +1.3%
6.d3	12%	8%	▼ -4.1%
6.e4	9%	6%	▼ -3.4%

Joueurs célèbres

Champions du monde dans cette position

Ding, Liren — 2 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Carlsen, Magnus — 1 partie

Parties historiques

6.e3 — 58.0% (640 parties)

1962 — Nielsen, Axel vs Soby, Frode — 1/2-1/2 — Copenhagen DEN
1968 — Gadia, Olicio vs Van Riemsdijk, Herman C. — 1/2-1/2 — Sao Bernardo
1969 — Aguirre, Alberto vs Aguirre, Roberto — 0-1 — ?
1970 — Collins, Richard vs Wigmore, John Keith — 1-0 — Lancaster
1970 — Fischer, Robert J vs Schmitz, Wilhelm — 1-0 — Solingen GER

6.Nf3 — 15.8% (174 parties)

1987 — Wu, Howard vs Watson, Cody — 1-0 — West Vancouver CAN
1988 — Ulrichsen, Jarl H vs Aulin-Jansson, Joran — 0-1 — NOR-ch Asker NOR
1988 — Weber, Marc, Dr. vs Schroeder, Guido — 1-0 — Stetten
1992 — Jubinski, J. vs Mihajlic, Max Brezac — 1-0 — Flint ch-MI class-DE
1994 — Pillonel, O vs Fiaccabrino, Giovanni — 0-1 — Switzerland

6.d3 — 12.3% (136 parties)

1957 — Gusev, Nikolay N vs Seoev, Robert — 1/2-1/2 — Ashkhabad
1962 — Milev, Zdravko vs Siero, Lucas — 1/2-1/2 — Havana CUB
1978 — Resende, Antonio Carlos vs Cajal, Andre — 1-0 — Tijuca
1981 — Todorcevic Antic, Miodrag vs Nikolic, Stanimir — 1/2-1/2 — Arandjelovac
1990 — Toikkanen, Pekka vs Nummi, Erkki — 0-1 — Tampere

6.e4 — 7.8% (86 parties)

1980 — Mitev, Stoyan vs Eberle, Werner — 1-0 — Noordwijkerhout
1984 — Spiegelberg, Olaf vs Neumann, Hubertus — 1/2-1/2 — Ottendorf Okrilla
1985 — Weyerstrass, Ronald vs Jonkheer, Alex — 1-0 — Huizen
1987 — Weyerstrass, Ronald vs Bronts, Geert Kornelis — 1-0 — Huizen
1991 — Asmundsson, Ingvar vs Altgelt, Alexander — 1/2-1/2 — ?

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →