B74a - 9…* - Dragon, Classical (1920)

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B74a — Dragon, Classical (1920)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O O-O 9.Nb3
Les coups candidats
Ambassadeurs : Gurevich, Vladimir (14x), Koskela, Niina (14x), Rantanen, Yrjo A. (12x), Roselli Mailhe, Bernardo (11x), Fluvia Poyatos, Joan (10x), Ruefenacht, Matthias (10x), Asrian, Karen (9x), Thipsay, Praveen M (9x)
Ambassadeurs : Thipsay, Praveen M (4x), Petrova, Olga (3x), Carlsen, Magnus (3x), Dau Khuong Duy (3x), Mangini, Jose Henrique de Mello (2x), Novik, Maxim (2x), Glek, Igor (2x), Erwich, Marc (2x)
9…Bd7 — 9.7% (496 parties)
Ambassadeurs : Johansson, Martin 1979 (2x), Van Nies, Pauline (2x), Skoulakis, Charalambos (2x), Chung, Juen Sen (2x), Mayer, Istvan (2x), Agulhas, Keegan (2x), Johansson, Ingi Randver (1x), Pietrusiak, Bogdan (1x)
Ambassadeurs : Averbakh, Yuri L (4x), Eliskases, Erich (3x), Mednis, Edmar J (3x), Rantanen, Yrjo A. (3x), Gufeld, Eduard (3x), Beni, Alfred (2x), Brinck-Claussen, Bjorn (2x), Kretschmer, Helmut (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Be6 9…a6 9…Bd7 9…a5
<1800 336 49% 18% 18% 4%
1800-2200 2115 56% 15% 13% 7%
2200-2600 1688 69% 12% 4% 8%
2600+ 18 72% 17% — 6%
Évolution par décennie (% des parties)
Décennie N parties 9…Be6 9…a6 9…Bd7 9…a5
1950s 121 69% 7% 2% 17%
1960s 132 60% 5% 6% 22%
1970s 171 68% 5% 5% 16%
1980s 393 77% 5% 4% 8%
1990s 1173 68% 11% 8% 6%
2000s 1557 60% 13% 12% 7%
2010s 1326 53% 18% 12% 7%
2020s 228 47% 27% 12% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Be6 53% 47% ▼ -5.3%
9…a6 18% 27% ▲ +8.5%
9…Bd7 12% 12% -0.3%
9…a5 7% 4% ▼ -3.8%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 2 parties
Capablanca, Jose Raul — 1 partie
Anand, Viswanathan — 1 partie
Hou, Yifan — 1 partie
Parties historiques
9…Be6 — 61.0% (3112 parties)
1950 — Janda, FL. vs Aditya Balu Jadhav — 0-1 — Lucerne SUI
1950 — Lehmann, Heinz vs Bogoljubow, Efim — 0-1 — Bad Pyrmont GER
1950 — Szabo, Laszlo vs Gereben, Erno — 1-0 — Budapest HUN
1950 — Kopaev, Nikolay A vs Geller, Efim P. — 1/2-1/2 — Kiev UKR
1950 — Spaeth, Wilhelm vs Unruh, Heinrich — 1/2-1/2 — Bretten
9…a6 — 13.2% (671 parties)
1951 — Puiggros, Guillermo vs Piro, Valerio — 1-0 — Buenos Aires ARG
1954 — Nielsen, Bent K. vs Nielsen, Jorgen Lovgren — 1-0 — Copenhagen DEN
1957 — Skudlabski vs Richter, Hildegard — 1/2-1/2 — Soemmerda
1957 — Mangini, Jose Henrique de Mello vs Incutto, Carlos — 1-0 — Mar del Plata ARG
1958 — Palmqvist, Ulf vs Purevzhav, S — 1/2-1/2 — Varna BUL
9…Bd7 — 9.7% (496 parties)
1952 — Liublinsky, Victor vs Simagin, Vladimir — 0-1 — Moscow RUS
1954 — Nestler, Vincenzo vs Ferrantes, Giovanni — 0-1 — ITA-ch17 Trieste
1954 — Schecter, Mike vs Allen Jones — 1-0 — Santa Barbara, CA
1962 — Horta, Cesar A. Parreiras vs Moreira, Beresford — 0-1 — Campinas
1966 — Swatridge, GE. vs Hodgson, JA. — 1-0 — Sunderland
9…a5 — 7.8% (400 parties)
1950 — Keres, Paul Petrovich vs Averbakh, Yuri L — 1/2-1/2 — Szcawno Zdroj
1951 — Beni, Alfred vs Vidmar, Milan Jr — 1-0 — Schlechter mem
1951 — Toran Albero, Roman vs Eliskases, Erich — 1/2-1/2 — San Rafael
1951 — Seiffert, Ronny Steffen vs Rathai, Volker — 1-0 — Schwerin GER
1951 — Janosevic, Dragoljub vs Fuderer, Andrija — 0-1 — Sarajevo BIH