A35j - 4.g3 - Symmetrical, Four Knights (1927)

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A35j — Symmetrical, Four Knights (1927)
1.c4 c5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3
Les coups candidats
4…g6 — 48.8% (5555 parties)
Ambassadeurs : Uhlmann, Wolfgang (20x), Arkell, Keith C (19x), Farago, Sandor (17x), Helmer, Janos (14x), Vetter, Udo (11x), Smejkal, Jan (10x), Wojtkiewicz, Aleksander (10x), Seel, Christian, Dr. (10x)
Ambassadeurs : Bakheet Farag (34x), Sax, Gyula (21x), Timman, Jan H (20x), Leko, Peter (17x), Uhlmann, Wolfgang (16x), Vaganian, Rafael A (14x), Ribli, Zoltan (14x), Horvath, Jozsef (14x)
Ambassadeurs : Parma, Bruno (13x), Rogulj, Branko (7x), Saint-Amand, Paul (7x), Vecek, Marjan (5x), Lalic, Bogdan (5x), Uhlmann, Wolfgang (4x), Scacco, Mauro (4x), Plaskett, H James (4x)
4…e5 — 5.1% (579 parties)
Ambassadeurs : Schubert, Steffen (6x), Dehaybe, Andre (5x), Kolanek, Roman (5x), Helmer, Janos (4x), Lim, Steve (3x), Kushnaryov, Andrey (3x), Zlotkowski, Arkadiusz (3x), Sodomski, Andrzej (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…g6 4…d5 4…e6 4…e5
<1800 761 54% 15% 13% 7%
1800-2200 4252 53% 23% 10% 6%
2200-2600 4497 44% 38% 7% 4%
2600+ 436 29% 58% 5% 1%
Évolution par décennie (% des parties)
Décennie N parties 4…g6 4…d5 4…e6 4…e5
1950s 16 56% 44% — —
1960s 90 68% 22% 6% 1%
1970s 250 52% 24% 17% 2%
1980s 463 44% 36% 12% 3%
1990s 1888 52% 29% 10% 2%
2000s 2877 52% 24% 11% 4%
2010s 4214 50% 26% 8% 8%
2020s 1574 35% 46% 10% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…g6 50% 35% ▼ -15.5%
4…d5 26% 46% ▲ +19.7%
4…e6 8% 10% ▲ +2.4%
4…e5 8% 5% ▼ -3.5%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Ding, Liren — 10 parties
Carlsen, Magnus — 9 parties
Tal, Mikhail — 8 parties
Smyslov, Vladimir — 3 parties
Karpov, Anatoly — 3 parties
Hou, Yifan — 3 parties
Ju, Wenjun — 3 parties
Kasparov, Garry — 2 parties
Gukesh D — 2 parties
Parties historiques
4…g6 — 48.8% (5555 parties)
1955 — Petrosian, Tigran V. vs Geller, Efim P. — 1/2-1/2 — Moskou ch-URS
1956 — Rudenko, Ludmila vs Rubtsova, Olga — 1-0 — Moscow RUS
1957 — Eliskases, Erich vs Mangini, Jose Henrique de Mello — 1-0 — Mar del Plata ARG
1957 — Clarke, Peter vs Kolarov, Atanas S. — 1/2-1/2 — Wageningen NED
1957 — Filip, Miroslav vs Ghitescu, Theodor — 1-0 — Bratislava Bratislava SVK
4…d5 — 29.3% (3331 parties)
1950 — Schmidt, Wlodzimierz vs O'Kelly de Galway, Alberic — 1-0 — Saarbruecken
1951 — Anay Barche vs Hajtun, Jozsef — 1-0 — Hungary ch
1955 — Olafsson, Fridrik vs Taimanov, Mark — 1-0 — Hastings, Sun Lounge
1955 — Olafsson, Fridrik vs Taimanov, Mark — 1-0 — Hastings ENG
1956 — Toran Albero, Roman vs Persitz, Raaphi — 1/2-1/2 — Uppsala
4…e6 — 9.7% (1099 parties)
1960 — Rodriguez Gonzales, Jesus vs Kraidman, Yair — 1/2-1/2 — Leipzig GER
1962 — Portisch, Lajos vs Lengyel, Levente — 1/2-1/2 — Budapest HUN
1967 — Redolfi, Argentino Rodolfo vs Bronstein, Luis Marcos — 1-0 — Cordoba ARG
1969 — Basic, Sokolov vs Ljiljak, Milka — 1/2-1/2 — Pula CRO
1969 — Zhukhovitsky, Samuel vs Pavlenko, Oleg — 1-0 — Rostov on Don
4…e5 — 5.1% (579 parties)
1962 — Alexander Vivasvaan Chandra vs Gufeld, Eduard — 0-1 — URS-ch30 sf Novosibirsk
1970 — Rego, Francisco Ernesto De Carv vs Beliman, Oliver — 0-1 — Siegen GER
1970 — Sarosy, Zoltan L vs O`Brien, Ray — 1-0 — Toronto CAN
1979 — Loginov, Valery A vs Klaman, Konstantin Mikhailovich — 0-1 — Leningrad RUS
1979 — Afek, Yochanan vs Cuellar, Jorge — 1-0 — Ramat Hasharon