D46b - 7…O-O - Romih (1905)

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D46b — Romih (1905)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bb4 7.O-O O-O
Les coups candidats
8.Qc2 — 40.1% (248 parties)
Ambassadeurs : Fichtl, Jiri (3x), Petrosian, Tigran V. (2x), Taimanov, Mark (2x), Shagalovich, Abo (2x), Amaro, Lucas Ibrair (2x), Pirc, Vasja (2x), Wisskirchen, Willi (2x), Abanin, Vladimir (2x)
8.a3 — 29.8% (184 parties)
Ambassadeurs : Taimanov, Mark (4x), Minev, Nikolay N (4x), Pachman, Ludek (3x), Kuijf, Marinus (3x), Bisguier, Arthur B (2x), Uhlmann, Wolfgang (2x), Donner, Jan-Hein (2x), Kozma, Julius (2x)
8.Bd2 — 19.9% (123 parties)
Ambassadeurs : Uhlmann, Wolfgang (6x), Tal, Mikhail (4x), Botvinnik, Mikhail (3x), Minev, Nikolay N (3x), Troianescu, Octav (2x), Kotov, Alexander (2x), Kolarov, Atanas S. (2x), Abanin, Vladimir (2x)
8.Qe2 — 3.7% (23 parties)
Ambassadeurs : Bisguier, Arthur B (3x), Bobotsov, Milko G (2x), Kolarov, Atanas S. (2x), Shianovsky, Vladislav I (1x), Kotov, Alexander (1x), Addison, Wiliam G (1x), Evans, Larry (1x), Colon Romero, Miguel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Qc2 8.a3 8.Bd2 8.Qe2
<1800 72 46% 28% 14% 1%
1800-2200 200 50% 24% 17% 4%
2200-2600 156 37% 33% 22% 2%
2600+ 2 — 50% 50% —
Évolution par décennie (% des parties)
Décennie N parties 8.Qc2 8.a3 8.Bd2 8.Qe2
1950s 49 35% 29% 24% 10%
1960s 47 15% 34% 45% 4%
1970s 33 27% 42% 18% 12%
1980s 55 35% 35% 22% —
1990s 90 46% 24% 18% 1%
2000s 148 44% 29% 16% 5%
2010s 168 45% 29% 17% 2%
2020s 28 50% 25% 14% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Qc2 45% 50% ▲ +4.8%
8.a3 29% 25% ▼ -4.2%
8.Bd2 17% 14% ▼ -3.0%
8.Qe2 2% 0% ▼ -2.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 9 parties
Botvinnik, Mikhail — 3 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
8.Qc2 — 40.1% (248 parties)
1950 — Millin, Paolo vs Camorani, M. — 1-0 — San Marino SMR
1950 — Amaro, Lucas Ibrair vs Pirc, Vasja — 0-1 — Mar del Plata ARG
1950 — Amaro, Lucas Ibrair vs Pirc, Vasja — 0-1 — Mar del Plata ARG
1952 — Sliwa, Bogdan vs Platz, Hans — 1-0 — Budapest HUN
1952 — Oakley, Peter James vs Fairhurst, William — 1/2-1/2 — Paignton
8.a3 — 29.8% (184 parties)
1950 — Schapel, Karl vs Taimanov, Mark — 0-1 — It Schiavno Zdroj POL
1950 — Szapiel, Mateusz vs Taimanov, Mark — 0-1 — Szawno Zdroj
1950 — Al Balushi, Shuaib Abdul Wahab vs Taimanov, Mark — 0-1 — Schiavno Zdroj
1952 — Katalymov, Boris vs Konstantinopolsky, Alexander — 1/2-1/2 — Sochi RUS
1953 — Uhlmann, Wolfgang vs Bobotsov, Milko G — 1/2-1/2 — Sofia BUL
8.Bd2 — 19.9% (123 parties)
1950 — Troianescu, Octav vs Simagin, Vladimir — 0-1 — Schiavno Zdroj
1951 — Darsniek, N. vs Tal, Mikhail — 0-1 — Riga LAT
1952 — Bernstein, Sidney vs Platz, Hans — 1-0 — ?
1953 — Wade, Robert G vs Fairhurst, William — 1-0 — Glasgow SCO
1955 — Kotov, Alexander vs Botvinnik, Mikhail — 0-1 — 6
8.Qe2 — 3.7% (23 parties)
1951 — Amaro, Lucas Ibrair vs Flores Alvarez, Rodrigo — 1/2-1/2 — Mar del Plata ARG
1956 — Winters, S. vs Bernstein, Sidney — 0-1 — New York, NY USA
1957 — Shianovsky, Vladislav I vs Kotov, Alexander — 1/2-1/2 — Kiev UKR
1959 — Bobotsov, Milko G vs Kolarov, Atanas Stefanov — 1-0 — ?
1959 — Bobotsov, Milko G vs Kolarov, Atanas S. — 1-0 — Sofia BUL