C66a - 5.* - Berlin Defense, Improved Steinitz Defense (1901)

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C66a — Berlin Defense, Improved Steinitz Defense (1901)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6
Les coups candidats
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)
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