C65n - 4.O-O Bc5 5.c3 - Classical Variation, Zukertort Gambit (1933)

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C65n — Classical Variation, Zukertort Gambit (1933)
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Bc5 5.c3
Les coups candidats
5…O-O — 79.8% (3283 parties)
Ambassadeurs : Ovod, Evgenija (34x), Casa, Alex (16x), Winants, Luc (16x), Nogly, Christoph (16x), Leko, Peter (11x), Daus, Peter (10x), Szabo, Maja (10x), Fichtl, Jiri (9x)
5…Nxe4 — 7.0% (287 parties)
Ambassadeurs : McMahon, Daire (10x), Brooker, Peter (4x), Nacer, Abdelkrim (3x), Fitzgerald, Kenny (2x), Aturupane, Harinlal (2x), Wall, Alejandro (2x), Kaung Lynn Thant (2x), Vandersluys, Paul (2x)
5…a6 — 4.5% (184 parties)
Ambassadeurs : Ansehn, Bertil (4x), Venturas, Bob (2x), Forlot, Dominique (2x), Moncada Correa, Sara (2x), Gross, Henry (1x), Meyers, Jerry (1x), Gomez Fontal, Felix Manuel (1x), Garcia , Efren (1x)
5…Bb6 — 3.5% (143 parties)
Ambassadeurs : Przedmojski, Rafal (3x), Hakuc, Waclaw (3x), Rios Filho, Hilton Carlos da Si (3x), Krol, Wladyslaw (3x), Wollmann, Andreas (2x), Maryasin, Boris (2x), Hrubant, Petr (2x), Bednarska-Bzdega, Malgorzata (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…O-O 5…Nxe4 5…a6 5…Bb6
<1800 439 67% 12% 10% 3%
1800-2200 1358 83% 5% 4% 4%
2200-2600 1063 93% 4% 1% 2%
2600+ 53 98% — — 2%
Évolution par décennie (% des parties)
Décennie N parties 5…O-O 5…Nxe4 5…a6 5…Bb6
1950s 82 94% 2% 1% 1%
1960s 131 95% — — 4%
1970s 113 82% 12% 2% 3%
1980s 215 86% 4% 5% 2%
1990s 750 79% 8% 4% 4%
2000s 1593 79% 8% 4% 4%
2010s 1026 79% 7% 6% 4%
2020s 203 75% 7% 6% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…O-O 79% 75% ▼ -3.3%
5…Nxe4 7% 7% ▲ +0.9%
5…a6 6% 6% +0.2%
5…Bb6 4% 1% ▼ -3.1%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 8 parties
Tal, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Parties historiques
5…O-O — 79.8% (3283 parties)
1950 — Rapaka Samuel Paul vs O'Kelly, Albéric de Galway — 1/2-1/2 — Dubrovnik olm
1950 — Rapaka Samuel Paul vs Alberic, O'Kelly de Galway — 1/2-1/2 — Olympiad Dubrovnik YUG
1950 — Pietzsch, Wolfgang vs Otto, Arnold — 1-0 — Soemmerda GER
1950 — Eret, Miloslav vs Podgorny, Jiri — 0-1 — Zlin CZE
1951 — Velibekov, A. vs Klaman, Konstantin Mikhailovich — 0-1 — Baku AZE
5…Nxe4 — 7.0% (287 parties)
1953 — Wolfe, Jerome vs Savenick, J. — 1-0 — Hollywood, CA
1957 — Puiggros, Guillermo vs Reinhardt, Enrique — 1-0 — Buenos Aires ARG
1970 — Wall, Alejandro vs Burns, Roger — 1-0 — Wichita Falls
1972 — James, Geoffrey H vs Cooke, Jenny — 1-0 — Brighton ch-BCF
1974 — Clarke, Stuart W vs Lycklama, J. — 0-1 — cr.
5…a6 — 4.5% (184 parties)
1954 — Gross, Henry vs Meyers, Jerry — 1-0 — San Francisco, Ca
1977 — Greenfeld, Alon vs Richmond, Jane — 1-0 — Cagnes sur Mer
1978 — Ward, Charlie vs Ristoff, W. — 1-0 — ?
1985 — Huber, Armin vs Lagler, Juergen — 1-0 — Donaueschingen
1986 — Hemmert, Michael vs Marin, Schmidt — 1/2-1/2 — GER
5…Bb6 — 3.5% (143 parties)
1957 — Fridh, Anton vs Nielsen, Julius — 1-0 — Wch4 sf09
1960 — Purkalitis, P. vs Hanks, John — 0-1 — Adelaide AUS
1964 — Ivkov, Borislav vs Aaron, Manuel — 1-0 — Tel Aviv olm
1966 — OBrien, Erik Michael vs Menas, Borel — 1-0 — San Francisco, CA USA
1968 — Verber, Richard William vs Taylor, Dagbjartur — 1-0 — Chicago, IL USA