A31a - 3…cxd4 4.Nxd4 Nc6 - Symmetrical, Two Knights (1936)

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A31a — Symmetrical, Two Knights (1936)
1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 Nc6
Les coups candidats
Ambassadeurs : Vachier-Lagrave, Maxime (22x), Korchnoi, Viktor (20x), Schlosser, Philipp (18x), Ghaem Maghami, Ehsan (16x), Stohl, Igor (14x), Wojtkiewicz, Aleksander (13x), Ernst, Thomas (11x), De Firmian, Nick (11x)
5.g3 — 12.8% (1009 parties)
Ambassadeurs : Schlosser, Philipp (12x), Gelfand, Boris (8x), Hracek, Zbynek (7x), Raetsky, Alexander (6x), Korchnoi, Viktor (4x), Filippov, Vadim (4x), Eriksson, Anders (4x), Kramnik, Vladimir (4x)
5.e3 — 1.6% (129 parties)
Ambassadeurs : Juric, Goran (2x), Dankova, J. (1x), Dobrovolsky, Ladislav (1x), Lahti, Jouko (1x), Dueball, Juergen (1x), Dunkelblum, Arthur (1x), Gheorghiu, Florin (1x), Lee, John L (1x)
5.Nxc6 — 1.1% (86 parties)
Ambassadeurs : Pavlov, Gennadij (2x), Ridameya Tatche, Jose Miguel (1x), O'Kelly de Galway, Alberic (1x), Weiss, Fernando (1x), Kroon, Piet (1x), Drozd, Ryszard (1x), Schinzel, Wladyslaw (1x), Hofhuizen (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nc3 5.g3 5.e3 5.Nxc6
<1800 348 72% 12% 7% 4%
1800-2200 2724 83% 12% 2% 1%
2200-2600 3665 87% 13% 0% 0%
2600+ 375 80% 20% — —
Évolution par décennie (% des parties)
Décennie N parties 5.Nc3 5.g3 5.e3 5.Nxc6
1950s 55 85% 13% — —
1960s 110 81% 13% 3% 2%
1970s 212 89% 9% 1% 1%
1980s 262 88% 9% 0% 1%
1990s 1023 84% 12% 2% 2%
2000s 2035 79% 17% 2% 1%
2010s 3204 85% 12% 1% 1%
2020s 954 85% 12% 2% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nc3 85% 85% +0.0%
5.g3 12% 12% +0.5%
5.e3 1% 2% +0.3%
5.Nxc6 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 9 parties
Ju, Wenjun — 9 parties
Kasparov, Garry — 7 parties
Hou, Yifan — 7 parties
Tal, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Botvinnik, Mikhail — 1 partie
Parties historiques
5.Nc3 — 83.4% (6554 parties)
1950 — Alatortsev, Vladimir N. vs Kopilov, Nikolay Georgiyevich — 1-0 — Leningrad RUS
1950 — Rossolimo, Nicolas vs Milic, Borislav — 1-0 — Paris FRA
1951 — Czapski, E.. vs Jacobs, Robert — 1-0 — San Luis ARG
1951 — Nuesken, Fritz vs Ruppe, Otto — 1-0 — Schwerin GER
1952 — Zalys, Ignas vs Therien, Jules — 1-0 — Montreal CAN
5.g3 — 12.8% (1009 parties)
1952 — Veltmander, Iogannes vs Kan, Ilya A — 0-1 — Riga LAT
1953 — Dunkelblum, Arthur vs Thibaut, Georges — 0-1 — Antwerp BEL
1953 — Juergens, Norbert vs Conen, Friedrich — 1/2-1/2 — Soest NED
1954 — Porrecca, Giorgio vs Milic, Borislav — 1/2-1/2 — Belgrade SRB
1954 — AGBOLO, Green Laureta vs Barden, Leonard — 0-1 — BCF-ch Nottingham ENG
5.e3 — 1.6% (129 parties)
1962 — Dunkelblum, Arthur vs Gheorghiu, Florin — 1/2-1/2 — Bucharest ROU
1969 — Dankova, J. vs Dobrovolsky, Ladislav — 1/2-1/2 — Brno CZE
1969 — Lahti, Jouko vs Dueball, Juergen — 0-1 — Raach
1971 — Lee, John L vs Berry, Jonathan — 0-1 — Vancouver BC CAN
1977 — Archer, Clark Emerson vs Reid, Alan — 1-0 — Brighton ch-BCF
5.Nxc6 — 1.1% (86 parties)
1960 — Ridameya Tatche, Jose Miguel vs O'Kelly de Galway, Alberic — 0-1 — Terrassa ESP
1968 — Weiss, Fernando vs Kroon, Piet — 1/2-1/2 — Lugano SUI
1974 — Drozd, Ryszard vs Schinzel, Wladyslaw — 1/2-1/2 — POL-ch31 Zielona Gora
1974 — Van Dyke, B. vs Pekun, Cem — 0-1 — Nice FRA
1980 — Paranjpe, Pradeep vs McCann, Kevin — 1-0 — Vancouver