B70j - 6.Be2 a6 7.a4 Bg7 - Dragon

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B70j — Dragon
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 a6 7.a4 Bg7
Eval: [+0.25]
Les coups candidats
8.O-O — 64.0% (409 parties)
Ambassadeurs : Van der Wiel, John T.H. (9x), Zelcic, Robert (5x), Pichot, Alan (5x), Ljubojevic, Ljubomir (4x), Karjakin, Sergey (4x), Kudrin, Sergey (4x), Barczay, Laszlo (3x), Vitolinsh, Alvis (3x)
8.Be3 — 33.6% (215 parties)
Ambassadeurs : Schneider, Heiko (3x), Felber, Joseph J. (3x), Aitken, James (2x), Hoen, Ragnar Harald (2x), Szmetan, Jorge (2x), Brondum, Eric (2x), Fahnenschmidt, Gerhard (2x), Berg, George (2x)
8.a5 — 0.9% (6 parties)
Ambassadeurs : Rabar, Bakhtyar Hamasaleh (1x), Bogoljubow, Efim (1x), Muessig, Frank (1x), Haasler, Andreas (1x), Yao, Lan (1x), Hu, Yu(HLJ) (1x), Dragnev, Valentin (1x), Vachier-Lagrave, Maxime (1x)
8.Nb3 — 0.5% (3 parties)
Ambassadeurs : Drozdov, Igor (1x), Gardner, Robert (1x), Heisterhagen, Tilman (1x), Bomert, Egon (1x), Duarte Diaz, Martire (1x), Olivo Espinal, Lewis Abel (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.O-O 8.Be3 8.a5 8.Nb3
<1800 11 27% 64% 9% —
1800-2200 165 44% 53% 1% 1%
2200-2600 342 77% 22% 1% 0%
2600+ 42 88% 10% 2% —
Évolution par décennie (% des parties)
Décennie N parties 8.O-O 8.Be3 8.a5 8.Nb3
1940s 4 — 75% 25% —
1950s 7 43% 57% — —
1960s 7 57% 43% — —
1970s 16 44% 50% — —
1980s 41 83% 15% — —
1990s 98 59% 38% 1% 2%
2000s 195 66% 33% — 1%
2010s 190 63% 34% 1% —
2020s 81 67% 30% 4% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.O-O 63% 67% ▲ +3.5%
8.Be3 34% 30% ▼ -4.6%
8.a5 1% 4% ▲ +3.2%
8.Nb3 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Hou, Yifan — 2 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 1 partie
Parties historiques
8.O-O — 64.0% (409 parties)
1953 — Giustolisi, Alberto vs Rabar, Braslav — 1/2-1/2 — Bled SLO
1959 — Puiggros, Guillermo vs Sanguinetti, Raul — 0-1 — Quilmes
1959 — Puiggros, Guillermo vs Luckis, Marcos — 1-0 — Quilmes
1961 — Ruszczycki, Jacek vs Klaput, Edward — 0-1 — Katowice ch18-POL
1962 — Lantsias, Andreas vs Bogdanov, Valentin — 0-1 — Varna BUL
8.Be3 — 33.6% (215 parties)
1942 — Rabar, Braslav vs Stoltz, Gösta — 0-1 — Munich GER
1945 — Martins Zvirbulis vs Keres, Paul — 0-1 — Riga LAT
1946 — Aitken, James vs Raizman, Maurice — 1-0 — Hastings ENG
1950 — Aitken, James vs Tartakower, Savielly — 0-1 — Southsea
1951 — Hayes, Daniel vs Bohatyrchuk, Fedir Parfenovych — 0-1 — Vancouver
8.a5 — 0.9% (6 parties)
1941 — Rabar, Bakhtyar Hamasaleh vs Bogoljubow, Efim — 1-0 — Munich GER
1997 — Muessig, Frank vs Haasler, Andreas — 1/2-1/2 — Mainz
2016 — Yao, Lan vs Hu, Yu(HLJ) — 1/2-1/2 — Harbin CHN
2022 — Petrovsky, Nikita vs Sivuk, Vitaly — 0-1 — Aktobe KAZ
2023 — Dragnev, Valentin vs Vachier-Lagrave, Maxime — 1/2-1/2 — Baku AZE
8.Nb3 — 0.5% (3 parties)
1992 — Heisterhagen, Tilman vs Bomert, Egon — 1/2-1/2 — Hessen qual GER
1998 — Drozdov, Igor vs Gardner, Robert — 1-0 — Montreal CAN
2000 — Duarte Diaz, Martire vs Olivo Espinal, Lewis Abel — 1-0 — Santo Domingo