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C42g — Petrov's Defense (2018)
1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6
Les coups candidats
Ambassadeurs : Deforel, Jorge Eduardo (269x), Schubert, Steffen (188x), Ilincic, Zlatko (176x), Milde, Lars (148x), Rozentalis, Eduardas (134x), Jussupow, Artur (130x), ? (119x), Kramnik, Vladimir (95x)
Ambassadeurs : ficsfix (93x), Corbat, Philippe (25x), Zagoit (25x), Lagemann, Tobias (23x), Schulz, Hans-Juergen (18x), Bekemann, Uwe (18x), chauncy (16x), LSLee (15x)
Ambassadeurs : Velickovic, Sasa (13x), Smagin, Sergey (10x), Varga, Zoltan (7x), Savchenko, Boris (6x), Thipsay, Praveen M (5x), Raetsky, Alexander (5x), Praznik, Niko (5x), Saric, Ante (5x)
4.Nd3 — 0.6% (441 parties)
Ambassadeurs : Barbosa, Edinardo Meireles (11x), Sternik, Ryszard (11x), Simmelink, Joop Theo (6x), Csoma, Robert (6x), Karklins, Andrew (5x), Aahlad, Yeturu (5x), Bovary, Charles (5x), Vachier-Lagrave, Maxime (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.Nf3 4.Nxf7 4.Nc4 4.Nd3
<1800 5340 94% 4% 2% 1%
1800-2200 26511 94% 3% 2% 0%
2200-2600 22863 95% 1% 3% 1%
2600+ 2369 96% 0% 2% 2%
Évolution par décennie (% des parties)
Décennie N parties 4.Nf3 4.Nxf7 4.Nc4 4.Nd3
1950s 166 83% 17%
1960s 266 97% 3%
1970s 700 97% 1% 2%
1980s 2513 91% 4% 4% 0%
1990s 7849 90% 6% 4% 0%
2000s 22729 91% 6% 2% 0%
2010s 24246 96% 2% 2% 0%
2020s 9539 94% 1% 2% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.Nf3 96% 94% ▼ -1.9%
4.Nxf7 2% 1% ▼ -0.7%
4.Nc4 2% 2% +0.2%
4.Nd3 0% 3% ▲ +2.4%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Tal, Mikhail — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 9 parties
Smyslov, Vladimir — 4 parties
Ding, Liren — 3 parties
Parties historiques
4.Nf3 — 93.2% (63383 parties)
1950 — Abiolla James vs Thomas Andrew — 0-1 — Southsea
1950 — Fuller, John Arthur vs Thomas Andrew — 1/2-1/2 — Buxton
1950 — Penrose, Jonathan vs Hooper, David — 1/2-1/2 — Ilford
1950 — Abiolla James vs Hooper, David — 1/2-1/2 — Ilford
1950 — LAR, Rai Joseph vs Hromada, Vaclav — 1/2-1/2 — Chocen
4.Nxf7 — 3.8% (2599 parties)
1977 — Fedorov, Vladislav vs Salnikov, Gennady — 1-0 — Kharkov UKR
1979 — Kuijf, Marinus vs Ellenbroek, Ton — 1-0 — Waddingxveen
1979 — Vitolinsh, Alvis vs Anikaev, Yuri N — 0-1 — Frunze KGZ
1979 — Vitolinsh vs Anikaev, Yuri N — 0-1 — Frunze KGZ
1980 — Gottschy, Joerg vs Heinrich, Hans — 1-0 — ?
4.Nc4 — 2.3% (1561 parties)
1950 — Fuderer, Andrija vs Kostic, Adrijan-Alexander — 1-0 — Yugoslavia
1951 — Fuderer, Andrija vs Matanovic, Aleksandar — 1/2-1/2 — Sarajevo BIH
1951 — Matanovic, Aleksandar vs Paoli, Enrico — 1-0 — Bad Pyrmont GER
1951 — Aadhitha Karikalan vs Bajec, Ivo — 1/2-1/2 — Sarajevo BIH
1951 — Rossolimo, Nicolas vs Alexander Ronald Cheng — 1/2-1/2 — Birmingham ENG
4.Nd3 — 0.6% (441 parties)
1986 — Karklins, Andrew vs Aegerter, Martin — 1-0 — Prarie State Invitat
1986 — Glek, Igor vs Ivanchuk, Vasyl — 0-1 — Pinsk
1987 — Karklins, Andrew vs Aegerter, Martin — 1-0 — Illinois
1987 — Polaczek, Richard vs Krukowski, Meir — 1-0 — Brussel open
1988 — Karklins, Andrew vs Aegerter, Martin — 1/2-1/2 — Illinois