A21j - 2…Bb4 3.Nd5 - Kramnik-Shirov (1993)

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A21j — Kramnik-Shirov (1993)
1.c4 e5 2.Nc3 Bb4 3.Nd5
Les coups candidats
Ambassadeurs : Sokolov, Ivan (14x), Anand, Viswanathan (13x), Volkov, Sergey (13x), Timman, Jan H (9x), McNab, Colin A (7x), Draskovic, Luka (7x), Walton, John C. (7x), Christiansen, Johan-Sebastian (6x)
Ambassadeurs : Hector, Jonny (17x), Shirov, Alexei (13x), Lalic, Bogdan (9x), Caruana, Fabiano (7x), Grant, Jonathan I M (6x), Vakhidov, Jakhongir (6x), Acciaro, Giuseppe (6x), Schmittdiel, Eckhard (5x)
Ambassadeurs : Glek, Igor (14x), Hector, Jonny (10x), Gyimesi, Zoltan (7x), Estrada Nieto, Julian (6x), Adhiban, B. (6x), Kennaugh, Charles W (5x), Rakhmanov, Aleksandr (5x), Mainka, Romuald (4x)
Ambassadeurs : Chekhov, Valery A (5x), Kokorin, Vladimir Nikolaevich (5x), Hodgson, Julian M (4x), Rosenberg, Clemens von (4x), Adorjan, Andras (3x), Smejkal, Jan (3x), Soffer, Ram (3x), Pribyl, Martin (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Bc5 3…Be7 3…a5 3…Ba5
<1800 196 46% 26% 12% 7%
1800-2200 1094 38% 33% 14% 10%
2200-2600 1852 31% 34% 22% 9%
2600+ 224 38% 31% 27% 1%
Évolution par décennie (% des parties)
Décennie N parties 3…Bc5 3…Be7 3…a5 3…Ba5
1960s 2 100% — — —
1970s 8 25% 38% — 12%
1980s 48 31% 8% 4% 54%
1990s 541 28% 33% 9% 23%
2000s 650 33% 35% 10% 16%
2010s 1222 50% 26% 13% 5%
2020s 1174 24% 38% 34% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Bc5 50% 24% ▼ -26.6%
3…Be7 26% 38% ▲ +11.6%
3…a5 13% 34% ▲ +21.0%
3…Ba5 5% 2% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 6 parties
Ju, Wenjun — 6 parties
Kramnik, Vladimir — 5 parties
Ding, Liren — 3 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
3…Bc5 — 35.2% (1283 parties)
1965 — Welling, N. vs Sneiders, E. — 0-1 — ?
1965 — Shipov, Boris vs Liu, Wenzhe — 0-1 — Shanghai CHN
1976 — Katalymov, Boris vs Gurgenidze, Bukhuti — 1-0 — Rostov RUS
1976 — Katalimov, B vs Gurgenidze, Bukhuti — 1-0 — Rostov on Don
1980 — Suba, Mihai vs Knezevic, Milorad — 1/2-1/2 — Erevan ARM
3…Be7 — 32.4% (1182 parties)
1977 — Katalymov, Boris vs Popov, Nemanja G — 0-1 — Erevan ARM
1977 — Brandao, Geraldo vs Altin, Duran — 1-0 — ?
1978 — Miltner, Arndt vs Engel, Berthold — 1-0 — Ketsch
1983 — Karner, Hillary vs Gavrikov, Viktor — 0-1 — Tbilisi GEO
1986 — Skrobek, Ryszard vs Kostyra, Stanislaw — 0-1 — Rzeszow
3…a5 — 18.2% (663 parties)
1981 — Kuligowski, Adam vs Baumgartner, Ulrich — 1-0 — Holzoster am See
1989 — Taeubert, Peter vs Neuhoff, Robert — 0-1 — GER
1990 — Kamp, Christoph vs Keitlinghaus, Ludger — 1/2-1/2 — Muenster GER
1991 — Danielian, Oganes vs Maljutin, Evgeni — 0-1 — Jurmala LAT
1991 — Miles, Anthony J vs Mainka, Romuald — 0-1 — Ostende open
3…Ba5 — 9.1% (331 parties)
1976 — Kozlov, Aleksander vs Gurevich, Alexander — 1/2-1/2 — Dnepropetrovsk
1980 — Azmaiparashvili, Zurab vs Eingorn, Vereslav S — 1-0 — Riga ch-SU jr
1981 — Smart, Les J vs Hodgson, Julian M — 1-0 — England
1981 — Shvedchikov, Anatoli I. vs Semenov, Aleksandar — 1/2-1/2 — ?
1981 — Smejkal, Jan vs Dely, Peter — 1-0 — Hradec Kralove CZE