E41a — Rubinstein System (1947)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5
Les coups candidats
Ambassadeurs : Donner, Jan-Hein (92x), Portisch, Lajos (74x), Knaak, Rainer (66x), Gligoric, Sofija (61x), Portisch, Ferenc (52x), Taimanov, Mark (42x), Rapaka Samuel Paul (38x), Andersson, Ulf (37x)
Ambassadeurs : Vaisser, Anatoli (35x), Gyimesi, Zoltan (27x), Gurevich, Dmitry (25x), Guliev, Sarhan (24x), Shulman, Yury (20x), Gligoric, Sofija (19x), Miles, Anthony J (18x), Garcia Palermo, Carlos Horacio (18x)
Ambassadeurs : Geller, Efim P. (14x), Portisch, Lajos (13x), Matanovic, Aleksandar (11x), Szabo, Laszlo (11x), Alexander Tadala (8x), Polugaevsky, Lev (8x), Smyslov, Vasily (8x), Donner, Jan-Hein (8x)
5.a3 — 5.5% (981 parties)
Ambassadeurs : Szabo, Laszlo (10x), Santos, Marcus Vinicius Moreira (9x), Golombek, Harry (8x), Berczes, David (7x), Ezat, Mohamed (7x), Shereshevski, Mikhail (6x), Chiong Zacarias Romero, Luis (6x), Karsa, Laszlo (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Bd3 5.Ne2 5.Nf3 5.a3
<1800 516 47% 25% 16% 9%
1800-2200 4458 46% 35% 10% 6%
2200-2600 8846 49% 39% 7% 4%
2600+ 394 47% 46% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 5.Bd3 5.Ne2 5.Nf3 5.a3
1950s 947 57% 16% 17% 9%
1960s 865 54% 17% 24% 5%
1970s 1108 66% 17% 13% 3%
1980s 2339 57% 33% 5% 4%
1990s 3882 53% 35% 7% 5%
2000s 4072 48% 34% 11% 6%
2010s 3697 39% 44% 10% 5%
2020s 1075 37% 45% 7% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Bd3 39% 37% ▼ -2.4%
5.Ne2 44% 45% ▲ +0.9%
5.Nf3 10% 7% ▼ -2.4%
5.a3 5% 8% ▲ +3.0%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Aleksandr — 2 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 2 parties
Smyslov, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
5.Bd3 — 49.8% (8948 parties)
1950 — Milic, Borislav vs Kevitz, Alexander — 1/2-1/2 — USA
1950 — Levenfish, Grigory vs Sidorov, Anatoly — 0-1 — Ch URS (1/2 final), Gorky RUS
1950 — Fairhurst, William vs Broadbent, Reginald — 0-1 — Buxton
1950 — Gligoric, Sofija vs Rapaka Samuel Paul — 1/2-1/2 — radio
1950 — Gligoric, Sofija vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
5.Ne2 — 34.1% (6128 parties)
1950 — Fine, Reuben vs Rashevsky, Mykhailo — 0-1 — New York, NY USA
1950 — O'Kelly de Galway, Alberic vs Matanovic, Aleksandar — 1/2-1/2 — Bled SLO
1950 — Hooper, David vs Beach, Thomas John — 1-0 — Buxton
1950 — Vajda, Albert vs Balogh, Janos — 1/2-1/2 — Budapest HUN
1951 — Germek, Milan vs Gligoric, Svetozar — 1-0 — Sarajevo BIH
5.Nf3 — 9.7% (1751 parties)
1950 — Opsahl, Kristoffer vs Lambert, Hans — 0-1 — Dubrovnik olm
1951 — Klein, Ernst vs Golombek, Harry — 1/2-1/2 — Birmingham ENG
1951 — Prins, Lodewijk vs Kramer, Hanspeter — 1/2-1/2 — Travemunde
1951 — Alatortsev, Vladimir N. vs Alexander Tadala — 1-0 — URS-ch sf Leningrad RUS
1952 — Morcken, Otto B vs De Souza Mendes, Joao — 1/2-1/2 — Helsinki olm
5.a3 — 5.5% (981 parties)
1950 — Penrose, Jonathan vs Broadbent, Reginald — 1-0 — Buxton
1950 — Spiller, Arthur R vs Wachs, Otto Rauber — 1-0 — Los Angeles, CA USA
1950 — Sanguinetti, Renato vs Acoltzi Ruiz, Mariana — 1/2-1/2 — Mar del Plata ARG
1950 — Miguel, Nahuel vs Matanovic, Aleksandar — 1-0 — Bled SLO
1950 — Flondor vs Szabo, Sandor — 0-1 — ?