D39j - 6.e4 c5 7.Bxc4 cxd4 8.Nxd4 Bxc3+ 9.bxc3 - Ragozin Vienna [+0.36]

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D39j — Ragozin Vienna
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Bb4 5.Bg5 dxc4 6.e4 c5 7.Bxc4 cxd4 8.Nxd4 Bxc3+ 9.bxc3
Eval: [+0.36]
Les coups candidats
9…Qa5 — 96.6% (1566 parties)
Ambassadeurs : Khenkin, Igor (24x), Gyimesi, Zoltan (19x), Ribli, Zoltan (15x), Deforel, Jorge Eduardo (15x), Van Wely, Loek (12x), Wells, Peter K (12x), Gelfand, Boris (11x), Naiditsch, Arkadij (11x)
9…Nbd7 — 2.7% (44 parties)
Ambassadeurs : Vyzmanavin, Alexey (2x), Lputian, Smbat (2x), Jussupow, Artur (2x), Rabiega, Robert (2x), Vennemann Horst (2x), Reeh, Oliver (1x), Fries-Nielsen, Jens Ove (1x), Shu, Yimin (1x)
9…O-O — 0.4% (6 parties)
Ambassadeurs : Kireev, Vladimir Vasilyevich (2x), Draba, Henryk (1x), Karlsson, Kurre (1x), Sadowski, Marek (1x), Millstone, Michael Dr (1x), Shabaev, Vladimir Nikolaevich (1x), Svilponis, Teet (1x), Semjonov, Anatoli (1x)
9…h6 — 0.1% (2 parties)
Ambassadeurs : Pirc Salamon, Hubert (1x), Karaklajic, Dimitrije (1x), Garcia, Manuel (1x), Rossetti, Mario (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Qa5 9…Nbd7 9…O-O 9…h6
<1800 21 95% 5% — —
1800-2200 324 95% 4% 1% 0%
2200-2600 984 97% 2% 0% —
2600+ 184 99% 1% — —
Évolution par décennie (% des parties)
Décennie N parties 9…Qa5 9…Nbd7 9…O-O 9…h6
1930s 1 100% — — —
1940s 5 100% — — —
1950s 1 — — — 100%
1960s 1 — — — —
1980s 73 89% 11% — —
1990s 207 95% 4% — —
2000s 432 94% 5% 0% 0%
2010s 613 99% 1% 1% —
2020s 288 99% 0% 0% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Qa5 99% 99% ▲ +0.6%
9…Nbd7 1% 0% -0.3%
9…O-O 1% 0% -0.3%
9…h6 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 8 parties
Karpov, Anatoly — 5 parties
Karpov, Aleksandr — 4 parties
Anand, Viswanathan — 4 parties
Carlsen, Magnus — 4 parties
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie
Parties historiques
9…Qa5 — 96.6% (1566 parties)
1934 — Mueller, Helge vs ? — 1-0 — cr.
1943 — Von Berner vs Pitschak, Rudolf — 1-0 — Vienna AUT
1943 — Bartosek, Milan vs Pachman, Ludek — 0-1 — Prague CZE
1947 — Subaric, Mladen vs Trifunovic, Petar — 0-1 — Belgrade SRB
1948 — Maderna, Carlos vs Szabo, Ladislav — 1-0 — Mar del Plata ARG
9…Nbd7 — 2.7% (44 parties)
1987 — Shu, Yimin vs Lin, Ta — 0-1 — China
1987 — Vyzmanavin, Alexey vs Huzman, Alexander — 1-0 — URS Army-ch Tashkent UZB
1987 — Stempin, Pawel vs Adamski, Jan — 1/2-1/2 — Polska
1987 — Lputian, Smbat vs Jussupow, Artur — 0-1 — URS-ch
1987 — Lputian, Smbat vs Jussupow, Artur — 0-1 — Minsk ch-URS
9…O-O — 0.4% (6 parties)
2001 — Draba, Henryk vs Karlsson, Kurre — 1-0 — IECG
2014 — Sadowski, Marek vs Millstone, Michael Dr — 1-0 — ICCF
2017 — Shabaev, Vladimir Nikolaevich vs Kireev, Vladimir Vasilyevich — 1-0 — ICCF
2017 — Svilponis, Teet vs Semjonov, Anatoli — 1-0 — ICCF
2017 — Grabarchuk, Nikolay Borisovich vs Kireev, Vladimir Vasilyevich — 1/2-1/2 — ICCF
9…h6 — 0.1% (2 parties)
1952 — Pirc Salamon, Hubert vs Karaklajic, Dimitrije — 1/2-1/2 — Belgrade SRB
2009 — Garcia, Manuel vs Rossetti, Mario — 1-0 — IECG