Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● d4 (2v1), ● g4 (2v0)
Cases faibles	—	—
Centre	—	● d4 (2v1), ● e4 (1v0), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	—	● knight c6
Non développées	3 (● b1, ● c1, ● a1)	4 (● c8, ● f8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

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

C66a — Spanish: Closed Berlin

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. d4 (Occuper le centre — 42 % des parties) ; Re1 (38 % des parties) ; Nc3 (Développer b1 — 7 % des parties) ; d3 (Solidifier le centre — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bd7 (Fou actif (mobilité 5), Développer c8 — 38 % des parties) ; ...Be7 (Développer f8 — 24 % des parties) ; ...Bg4 (Fou actif (mobilité 7), Développer c8 — 8 % des parties) ; ...a6 (Préparer expansion aile dame — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1901 RUS-ch02 – Round 1 – Janowski, Dawid – 0-1 – Sharov, Sergey I – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Nc3 Bg4 6. d4 exd4 7. Qxd4 Bxf3 8. gxf3 Qd7 9. Qe3 a6 10. Ba4 b5
1906 DSB-15.Kongress – Round 9 – Fahrni, Hans – 0-1 – Schlechter, Carl – G55 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Nc3 Be7 6. d4 exd4 7. Nxd4 Bd7 8. Nde2 O-O 9. Bxc6 Bxc6 10. Ng3 Re8
1907 Ostende II – Round 21 – Cohn, Wilhelm – 1-0 – Perlis, Julius – G253 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d3 g6 6. Nc3 Bg7 7. Ne1 O-O 8. Bxc6 bxc6 9. f4 exf4 10. Bxf4 Rb8
1909 St Petersburg – Round 1 – Perlis, Julius – 1/2-1/2 – Fleischmann, Leo – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. Bxc6+ bxc6 6. d4 exd4 7. Qxd4 Be7 8. e5 c5 9. Qd3 dxe5 10. Qxd8+ Bxd8
1912 BCF Ch 9. Major Open – Round 4 – Scott, Roland Henry – 1-0 – Schories, Georg – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Bxc6+ bxc6 6. d4 Nxe4 7. Qe2 f5 8. dxe5 d5 9. Nbd2 Bc5 10. Nxe4 fxe4
1912 Temesvary – Round 1 – Von Balla, Zoltan – 1-0 – Havasi, Kornel – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Nc3 Be7 6. d4 exd4 7. Bxc6+ bxc6 8. Nxd4 Bd7 9. b3 O-O 10. Bb2 Ne8
1913 Havana – Round 1 – Capablanca, Jose – 1-0 – Chajes, Oscar – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Bxc6+ bxc6 6. d4 Be7 7. Nc3 exd4 8. Nxd4 Bd7 9. Qd3 c5 10. Nf3 O-O
1923 Frankfurt – Round 1 – Orbach, Eliya Yitzchak – 0-1 – Bluemich, Max – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Nc3 Bd7 6. d3 Be7 7. Be3 O-O 8. Ne2 Nh5 9. Nd2 f5 10. f4 fxe4
1929 Scarborough – Round 6 – Thomas, George Alan – 1-0 – Jackson, John Marvin – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Qe2 Bd7 6. c3 Be7 7. d4 O-O 8. Rd1 exd4 9. cxd4 Re8 10. Nc3 h6
1937 Bad Saarow – Round 8 – Ernst, Wilhelm – 1/2-1/2 – Makarczyk, Kazimierz – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Qe2 Bd7 6. c3 Qe7 7. Re1 g6 8. d3 h6 9. Nbd2 Bg7 10. Nf1 O-O
1938 GBR Ch 31st – Round 4 – Mallison, Harold Vincent – 1/2-1/2 – Tylor, Theodore Henry – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. c3 Bd7 6. Re1 Be7 7. d4 O-O 8. Nbd2 Nxd4 9. cxd4 Bxb5 10. dxe5 dxe5
1941 GER Ch Bad Oeynhausen GER – Round 13 – Pfeiffer, Gerhard – 1/2-1/2 – Lokvenc, Josef – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. c3 Bd7 6. d4 Be7 7. Bd3 O-O 8. Nbd2 Re8 9. Re1 Bf8 10. Nf1 Bg4
1943 Madrid – Round 15 – Fuentes Garcia, Juan Manuel – 1/2-1/2 – Brinckmann, Alfred – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Qe2 Be7 6. d4 exd4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. c4 O-O 10. Nc3 c5
1947 US Open Corpus Christi – Round 13 – Yanofsky, Daniel Abraham – 1-0 – Whitaker, Norman – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. c3 Bd7 6. Re1 g6 7. d3 Bg7 8. Nbd2 O-O 9. Nf1 Qe8 10. Bd2 Rd8
1954 Olympiad final B – Round 1 – Blau, Max – 1-0 – Dunkelblum, Arthur – G47 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Bxc6+ bxc6 6. d4 exd4 7. Nxd4 Bd7 8. Qf3 c5 9. Nf5 Bxf5 10. Qxf5 Qc8
1956 Moscow olm prel – Round 6 – Zhugder – 0-1 – Fairhurst, William – G200 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. c3 Bd7 6. d4 Be7 7. Re1 O-O 8. Nbd2 Nxd4 9. cxd4 Bxb5 10. dxe5 dxe5
1960 Leipzig olm fin-B – Round 2 – Puig Estival, Joan – 1/2-1/2 – Niemela, Ilmari Aarne – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. Qe2 Bd7 6. c3 Be7 7. d4 exd4 8. cxd4 O-O 9. e5 Nd5 10. Qe4 Nb6
1962 URS Team Ch – Round 1 – Novopashin, Arkady – 1/2-1/2 – Aronin, Lev – G105 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. Bxc6+ bxc6 6. d4 Nd7 7. Qd2 Be7 8. Qa5 Bf6 9. Be3 O-O 10. Nbd2 Re8
1966 Buenos Aires ch-ARG – Round 8 – Bronstein, Luis Marcos – 1/2-1/2 – Bazan, Osvaldo – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d3 Be7 6. c3 O-O 7. Nbd2 Bd7 8. Re1 Na5 9. Bxd7 Nxd7 10. Nf1 Re8
1967 URS Team Ch – Round 1 – Gufeld, Eduard – 1-0 – Klovsky, Rafail – G115 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. c3 Be7 6. Re1 O-O 7. d4 Bg4 8. h3 Bxf3 9. Qxf3 Nd7 10. dxe5 Ncxe5

C66a — Berlin Defense, Improved Steinitz Defense (1901)

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6

Les coups candidats

5.d4 — 42.2% (1781 parties) →

Ambassadeurs : Campora, Daniel H. (40x), Jacobsen, Bo (24x), Miettinen, Kristo S (14x), Simal Moreira, Leonardo (14x), Fairhurst, William (9x), Rubinetti, Jorge (9x), Jacobsen, Benjamin Hojvang (9x), Pedersen, Karl (8x)

5.Re1 — 38.5% (1626 parties) →

Ambassadeurs : Campora, Daniel H. (9x), Fairhurst, William (6x), Herr Jeff (5x), Yanofsky, Daniel Abraham (4x), Agosto, Erika (4x), Pessi, Emil-George (4x), Gutierrez Castillo, Oscar (3x), Guralivu, Paul Iosif (3x)

5.Nc3 — 6.8% (288 parties)

Ambassadeurs : Doornbos, Yann (2x), Wall, Bill (2x), Miettinen, Kristo S (2x), Alonzo Castillo Jimenez (1x), Zamora Lima, Hazael (1x), Szabo, Iuliu inactive (1x), Radulescu, Mihai (1x), Illingworth, Leonard (1x)

5.d3 — 5.6% (237 parties)

Ambassadeurs : Adam, Andrea (2x), Ronean, J. (1x), Connell, Percy (1x), Bronstein, Luis Marcos (1x), Bazan, Osvaldo (1x), Bakhar, M.. (1x), Ioakimidis, Georgios (1x), Pavlinek (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.d4	5.Re1	5.Nc3	5.d3
<1800	742	31%	45%	6%	8%
1800-2200	1421	45%	39%	4%	5%
2200-2600	601	67%	26%	2%	2%
2600+	7	71%	14%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.d4	5.Re1	5.Nc3	5.d3
1950s	55	58%	29%	5%	2%
1960s	66	62%	26%	2%	2%
1970s	143	72%	20%	6%	—
1980s	202	64%	28%	4%	1%
1990s	754	36%	40%	9%	6%
2000s	1411	38%	41%	8%	5%
2010s	1254	43%	40%	5%	7%
2020s	333	38%	39%	5%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.d4	43%	38%	▼ -5.4%
5.Re1	40%	39%	-0.2%
5.Nc3	5%	5%	+0.0%
5.d3	7%	10%	▲ +3.4%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties
Anand, Viswanathan — 2 parties
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

5.d4 — 42.2% (1781 parties)

1950 — John Bayron Moreno vs Callejo — 1-0 — cr.
1950 — Boleslavsky, Isaac vs Bronstein, David I — 1-0 — Tournament (candidates) (play
1950 — Ronean, J. vs McEachern, Neil — 1/2-1/2 — Edmonton CAN
1950 — Boleslavsky, Isaac vs Bronstein, David I — 1-0 — Moscow RUS
1951 — Gilg, Karl vs Kieninger, Georg — 0-1 — Duesseldorf GER

5.Re1 — 38.5% (1626 parties)

1952 — Mangini, Jose Henrique de Mello vs Lambert, Hans — 1-0 — Helsinki olm
1953 — Yanofsky, Daniel Abraham vs Wade, Robert G — 1/2-1/2 — Glasgow SCO
1953 — Nikolac, Juraj vs Vidmar, Milan Sr — 1/2-1/2 — Opatija
1953 — Schmid, Lothar vs Toran Albero, Roman — 1/2-1/2 — Venetie
1953 — Yanofsky, Daniel Abraham vs Fairhurst, William — 0-1 — White Rock Pavilion

5.Nc3 — 6.8% (288 parties)

1950 — Illingworth, Leonard vs Fairhurst, William — 1/2-1/2 — Buxton
1951 — Alonzo Castillo Jimenez vs Zamora Lima, Hazael — 1/2-1/2 — ?
1952 — Mueller, Paul vs Vidmar, Milan Sr — 0-1 — Basel SUI
1965 — Szabo, Iuliu inactive vs Radulescu, Mihai — 1-0 — Bucharest ROU
1970 — Leuza Garcia, Jose vs Borrell Vidal, Maximo — 1/2-1/2 — Aviles ESP

5.d3 — 5.6% (237 parties)

1950 — Ronean, J. vs Connell, Percy — 1-0 — Edmonton CAN
1966 — Bronstein, Luis Marcos vs Bazan, Osvaldo — 1/2-1/2 — Buenos Aires ch-ARG
1980 — Pavlinek vs Sturc, Gustav — 0-1 — corr CSR/K
1986 — Bakhar, M.. vs Ioakimidis, Georgios — 0-1 — Thessaloniki GRE
1990 — Schiller, Eric vs Halk, Omer — 1-0 — Telecom USA Today

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