D45y - 5…Nbd7 6.Qc2 Bd6 7.Be2 O-O 8.O-O Re8 [+0.09]

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D45y —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.Be2 O-O 8.O-O Re8
Eval: [+0.09]
Les coups candidats
9.Rd1 — 68.4% (685 parties)
Ambassadeurs : Sveshnikov, Evgeny (17x), Kramnik, Vladimir (8x), Karpov, Anatoly (7x), Lautier, Joel (5x), Gurevich, Mikhail (5x), Kaidanov, Gregory (5x), Kuczynski, Robert (5x), Foisor, Cristina-Adela (4x)
9.b3 — 15.0% (150 parties)
Ambassadeurs : Gausel, Einar J (3x), Kaidanov, Gregory (2x), Kuijf, Marinus (2x), Ornstein, Axel (2x), Kolev, Aleksandar (2x), Kacheishvili, Giorgi (2x), Johansson, Ingemar 1966 (2x), Bashkov, Viacheslav (2x)
9.Bd2 — 5.3% (53 parties)
Ambassadeurs : Naumkin, Igor (3x), Hjartarson, Johann (2x), Tal, Mikhail (2x), Sveshnikov, Evgeny (2x), Kiselev, Sergey. (2x), Bonin, Jay (2x), Engqvist, G. (1x), Cederquist, LG. (1x)
9.e4 — 4.5% (45 parties)
Ambassadeurs : Lahlum, Hans Olav (2x), Reichgeld, Manfred (2x), Chabanon, Jean-Luc (1x), Lukasiewicz, Grzegorz (1x), Asfora, Marco Antonio H. (1x), Da Silva, Luiz Tavares (1x), Reich, Thomas (1x), Klebel, Martin, Dr. (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Rd1 9.b3 9.Bd2 9.e4
<1800 13 38% 15% 8% 23%
1800-2200 216 63% 17% 3% 9%
2200-2600 578 70% 17% 6% 2%
2600+ 43 84% 5% 9% —
Évolution par décennie (% des parties)
Décennie N parties 9.Rd1 9.b3 9.Bd2 9.e4
1960s 1 100% — — —
1970s 4 25% 25% — 25%
1980s 40 55% 12% 20% 2%
1990s 488 74% 12% 5% 2%
2000s 268 71% 12% 4% 6%
2010s 135 61% 16% 5% 11%
2020s 66 44% 44% 3% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Rd1 61% 44% ▼ -16.8%
9.b3 16% 44% ▲ +27.6%
9.Bd2 5% 3% ▼ -2.2%
9.e4 11% 5% ▼ -6.6%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 8 parties
Karpov, Anatoly — 8 parties
Karpov, Aleksandr — 4 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
9.Rd1 — 68.4% (685 parties)
1968 — Gudath, Reiner vs Diekmann, Hans-Joachim, Dr. — 0-1 — Borgholzhausen
1974 — Camin, G vs Ronsch, I — 1/2-1/2 — Potsdam GER
1985 — Eingorn, Vereslav S vs Kaidanov, Gregory — 1/2-1/2 — Moscow RUS
1985 — Eingorn, Vereslav S vs Kaidanov, Gregory — 1/2-1/2 — Moscow RUS
1988 — Bareev, Evgeny vs Shabalov, Alexander — 1/2-1/2 — Naberezhnie Chelni
9.b3 — 15.0% (150 parties)
1970 — Hawrelek, A. vs Joyner, Lionel — 0-1 — ?
1988 — Bischoff, Klaus vs Kristensen, Benny — 1-0 — Thessaloniki GRE
1988 — Makarov, Marat vs Bashkov, Viacheslav — 1-0 — Naberezhnie Chelni
1989 — Kolev, Atanas vs Kaidanov, Gregory — 1/2-1/2 — Protvino tt
1989 — Kolev, Aleksandar vs Kaidanov, Gregory — 1/2-1/2 — Sofia BUL
9.Bd2 — 5.3% (53 parties)
1987 — Sorheim, Erling vs Sandum, Kjell Tore — 0-1 — Molde
1988 — Hjartarson, Johann vs Tal, Mikhail — 1/2-1/2 — Reykjavik World Cup
1988 — Hjartarson, Johann vs Tal, Mikhail — 1/2-1/2 — Reykjavik ISL
1989 — Engqvist, G. vs Cederquist, LG. — 1-0 — Solna
1989 — Bonin, Jay vs Vucic, Mladen — 1-0 — New York, NY USA
9.e4 — 4.5% (45 parties)
1973 — Asfora, Marco Antonio H. vs Da Silva, Luiz Tavares — 0-1 — 40. BRA-ch Salvador BRA
1989 — Chabanon, Jean-Luc vs Lukasiewicz, Grzegorz — 0-1 — Bern SUI
1990 — Kramadzjan, Alexander vs Kharlov, Andrei — 0-1 — Khabarovsk
1992 — Reich, Thomas vs Klebel, Martin, Dr. — 1/2-1/2 — Kecskemet HUN
1992 — Kuzmin, Gennadiy vs Maksimenko, Andrei — 0-1 — Moscow RUS