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B28h — O’Kelly
1.e4 c5 2.Nf3 a6 3.c3
Eval: [+0.41]
Les coups candidats
Ambassadeurs : Csom, Istvan (33x), Durán Vallverdú, Joan (25x), Kurajica, Bojan (21x), Analiev, Dimitar (20x), Borda, Lajos (18x), Helin, Mikael (14x), Taimanov, Mark (12x), Shirazi, Kamran (11x)
Ambassadeurs : Green, Michael (21x), Nestorovic, Nikola (15x), Joksic, Sinisa (13x), Eingorn, Vereslav S (10x), Kratochvíl, Václav (10x), Dmitriev, Igor (9x), Jefferson, N. W.. (9x), Cordova, Emilio (9x)
3…d6 — 11.5% (811 parties)
Ambassadeurs : Rasik, Vitezslav (12x), Gerusel, Mathias (7x), Ackermann, Hans Werner (7x), Strasil, Pavel (7x), Damia, Angelo (6x), Mazalon, Mariusz (6x), Kurajica, Bojan (6x), Schiffer, Karl-Josef (5x)
3…Nf6 — 7.8% (552 parties)
Ambassadeurs : Borda, Lajos (7x), Kislov, Sergey (6x), Varchenko, Grigory (5x), Tomasic, Dragutin (5x), Zuluaga Mancilla, Cesar (5x), Prins, Laura (4x), Frey, Walter (4x), Barlov, Dragan (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…d5 3…e6 3…d6 3…Nf6
<1800 283 35% 27% 10% 13%
1800-2200 2918 47% 25% 11% 8%
2200-2600 2793 46% 28% 11% 6%
2600+ 60 50% 43% 2% 2%
Évolution par décennie (% des parties)
Décennie N parties 3…d5 3…e6 3…d6 3…Nf6
1940s 3 67% 33%
1950s 48 50% 8% 10% 27%
1960s 126 40% 9% 17% 28%
1970s 116 41% 17% 21% 9%
1980s 209 44% 24% 15% 7%
1990s 783 44% 16% 19% 8%
2000s 1956 45% 24% 13% 7%
2010s 2824 42% 30% 10% 8%
2020s 996 57% 26% 5% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…d5 42% 57% ▲ +15.0%
3…e6 30% 26% ▼ -4.4%
3…d6 10% 5% ▼ -5.2%
3…Nf6 8% 6% ▼ -2.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 3 parties
Ju, Wenjun — 3 parties
Euwe, Max — 2 parties
Carlsen, Magnus — 2 parties
Hou, Yifan — 2 parties
Karpov, Aleksandr — 1 partie
Kasparov, Garry — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
3…d5 — 45.0% (3179 parties)
1949 — Foltys, Jan vs Prins, Lodewijk — 1/2-1/2 — Venice ITA
1949 — Schifferdecker, Wilhelm vs Euwe, Max — 1-0 — Wiesbaden GER
1950 — Unzicker, Wolfgang vs Beni, Alfred — 1-0 — Dubrovnik CRO
1950 — Pachman, Ludek vs Mueller, Hans — 1-0 — Venice ITA
1950 — Rellstab, Ludwig vs O'Kelly, Albéric de Galway — 1/2-1/2 — Bled SLO
3…e6 — 25.2% (1777 parties)
1952 — Szily, Jozsef vs Bobotsov, Milko G — 1-0 — Miedzyzdroje
1955 — Honfi, Karoly vs Portisch, Lajos — 0-1 — Budapest HUN
1958 — Enevoldsen, Jens vs De Greif, Boris — 1/2-1/2 — Munich GER
1959 — Lutikov, Anatoly S vs Spassky, Boris V. — 0-1 — Moscow RUS
1962 — Lenchiner, Izia vs Kostiuchenko, Alexander — 1/2-1/2 — ?
3…d6 — 11.5% (811 parties)
1956 — Sauermann, Wilfried vs Schlieder, Rolf — 0-1 — cr.
1956 — Tal, Mikhail vs Taimanov, Mark — 1/2-1/2 — Leningrad ch-URS
1957 — Aronin, Lev vs Taimanov, Mark — 1/2-1/2 — Leningrad RUS
1958 — Suetin, Alexey S vs Tessieri Satz, Leo — 1-0 — Kiev UKR
1959 — Govbinder, Mikhail Yudovich vs Furman, Semyon — 1/2-1/2 — Tallinn EST
3…Nf6 — 7.8% (552 parties)
1949 — Simagin, Vladimir vs Barcza, Gedeon — 1/2-1/2 — Budapest HUN
1951 — Kondratiev, Pavel E vs Cherepkov, Alexander V — 0-1 — URS-ch sf Sverdlovsk
1951 — De Moura Filho, Jose Rios vs Prins, Lodewijk — 0-1 — Madrid ESP
1952 — Yanofsky, Daniel Abraham vs Phillips, Alan — 1-0 — Southsea
1952 — Bobekov, Radko vs Hinkov, Stefan — 1/2-1/2 — Sofia BUL