C28e - 4.d3 Na5 [+0.21]

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C28e —
1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6 4.d3 Na5
Eval: [+0.21]
Les coups candidats
Ambassadeurs : Mitkov, Nikola (37x), Casper, Thomas (15x), Van Daatselaar, Jan Bart (14x), Lukacs, Peter (9x), Vogt, Lothar (9x), Bukovec, Tina (9x), Dragojlovic, Andjelko (9x), Godena, Michele (9x)
5.Bb3 — 23.7% (959 parties)
Ambassadeurs : Evans, Stan (10x), Heilala, Tapio (9x), Nyberg, Wilfred (8x), Pinchon, François (6x), Evans, Stanley W. (6x), Lengyel, Bela (5x), Villeneuve, Robert (5x), Relyea, Alexander (4x)
5.Qf3 — 13.4% (544 parties)
Ambassadeurs : Rogers, Ian (8x), Feuerstack, Aljoscha (5x), Sathyanandha, Saravanan (5x), Scott, Paul (5x), Paichadze, Luka (5x), Utegaliyev, Azamat (5x), Sikora-Lerch, Jan (4x), Karakehajov, Kalin (4x)
5.Nf3 — 7.5% (302 parties)
Ambassadeurs : Ralchev, Stoyan (6x), Pinkas, Karol (3x), Klovans, Janis (2x), Bartsch, Berthold (2x), Gonsior, Monika (2x), Saric, Igor (2x), Djurhuus, Rune (2x), Vagle, Raymond (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5.Nge2 5.Bb3 5.Qf3 5.Nf3
<1800 112 32% 38% 5% 9%
1800-2200 1442 40% 30% 12% 9%
2200-2600 1882 52% 17% 16% 7%
2600+ 88 47% 19% 33% —
Évolution par décennie (% des parties)
Décennie N parties 5.Nge2 5.Bb3 5.Qf3 5.Nf3
1880s 1 — 100% — —
1890s 1 100% — — —
1900s 5 40% 20% — —
1910s 4 — 75% — —
1920s 2 — — — 50%
1930s 1 — — — —
1940s 7 — 29% 29% 29%
1950s 3 33% 33% — 33%
1960s 27 30% 41% — 7%
1970s 69 58% 19% 6% 7%
1980s 100 69% 17% 1% 5%
1990s 445 54% 21% 2% 9%
2000s 1232 51% 19% 12% 8%
2010s 1539 42% 25% 16% 7%
2020s 610 36% 32% 22% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5.Nge2 42% 36% ▼ -6.4%
5.Bb3 25% 32% ▲ +6.7%
5.Qf3 16% 22% ▲ +5.7%
5.Nf3 7% 6% ▼ -1.5%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Hou, Yifan — 2 parties
Steinitz, Wilhelm — 1 partie
Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
5.Nge2 — 45.9% (1859 parties)
1898 — Schlechter, Carl vs Steinitz, Wilhelm — 1-0 — 11th DSB Congress
1900 — Mieses, Jacques vs Van Foreest, Arnold — 0-1 — The Hague NED
1900 — Mieses, Jacques vs Van Houten, Sem — 0-1 — The Hague NED
1953 — Barden, Leonard vs Abrahams, Gerald — 1/2-1/2 — Hastings ch-BCF
1965 — Koch, Berthold vs Hunter, Charles Stanley — 0-1 — cr
5.Bb3 — 23.7% (959 parties)
1889 — Keir, S vs Nicholls, William — 1-0 — corr
1904 — Von Gottschall, Hermann vs Wolf Heinrich — 0-1 — Coburg
1910 — Daniel, HG. vs Daly, Harlow Bussey — 1-0 — Rochester, NY USA
1913 — Geus, Klaas vs Van Foreest, Arnold — 1-0 — Scheveningen NED
1919 — Allies, Chez-Ray vs Capablanca, Jose — 0-1 — Bradford
5.Qf3 — 13.4% (544 parties)
1944 — Adams, Weaver vs Pinkus, Albert — 0-1 — New York, NY USA
1948 — Wade, Robert G vs Schmidt, Pascal — 1/2-1/2 — Hastings ENG
1975 — Bykov, Vladimir vs Semeniuk, Alexander A — 0-1 — Cheliabinsk tt
1975 — Suttles, Duncan vs Macskasy, Elod — 1/2-1/2 — Vancouver BC CAN
1978 — Sikora-Lerch, Jan vs Tichy, Vladimir — 1-0 — Marianske Lazne
5.Nf3 — 7.5% (302 parties)
1928 — Milner Barry, Philip vs Koltanowski, George — 0-1 — Tenby
1941 — Borochow, H. vs Quillen — 1-0 — Hollywood
1946 — Purdy, Cecil J S vs Brose, Ernest W — 1-0 — Adelaide AUS
1951 — Köberl, Ferenc vs Borlóy, Károly — 1/2-1/2 — chess.net INT
1968 — Cherepkov, Alexander V vs Klovans, Janis — 0-1 — Alma Ata ch-URS