D31b - 3…a6 - Janowski Variation

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D31b — Janowski Variation
1.d4 d5 2.c4 e6 3.Nc3 a6
Eval: [+0.33]
Les coups candidats
4.cxd5 — 81.0% (2507 parties)
Ambassadeurs : Lugovskoy, Maxim (39x), Grachev, Boris (23x), Rakhmanov, Aleksandr (12x), Nie, Xinyang (12x), Chylewski, Patryk (11x), Baum, Jonasz (11x), Suder, Jakub (11x), Bilguun, Sumiya (11x)
4.Nf3 — 7.1% (219 parties)
Ambassadeurs : Sjoberg, Victor (3x), Lundgren, Bernt (3x), Tran Thi Phuong Anh (3x), Vasilevich, Tatjana (3x), Euwe, Max (2x), Marx, Nicolas (2x), Panjwani, Raja (2x), Vorobyov, Yrij (2x)
4.e3 — 5.3% (164 parties)
Ambassadeurs : Lugovskoy, Maxim (4x), Bukavshin, Ivan (2x), Cotruta, Alexandru-Mihai (2x), Spalir, Jernej (2x), Holub, Adam (2x), Rakhmatullaev, Almas (2x), Commercon, Simon (2x), Svane, Rasmus (2x)
4.e4 — 2.4% (74 parties)
Ambassadeurs : Janowski, Dawid (2x), Epishin, Vladimir (2x), Moskalenko, Viktor (2x), Tinsley, Samuel (1x), Schlechter, Carl (1x), Sjoberg, Victor (1x), Duras, Oldrich (1x), Schuster, Theodor (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.cxd5 4.Nf3 4.e3 4.e4
<1800 96 61% 19% 10% 1%
1800-2200 912 75% 9% 7% 3%
2200-2600 1782 86% 5% 4% 2%
2600+ 145 95% — 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 4.cxd5 4.Nf3 4.e3 4.e4
1890s 8 75% — 12% 12%
1900s 11 64% 18% — 18%
1910s 8 12% 38% 25% —
1920s 10 50% 30% 10% —
1930s 20 65% 5% 15% —
1940s 4 100% — — —
1950s 7 57% 14% 14% 14%
1960s 3 100% — — —
1970s 2 50% 50% — —
1980s 12 75% 8% 17% —
1990s 41 41% 32% 7% 5%
2000s 131 62% 14% 13% 4%
2010s 1147 78% 8% 7% 3%
2020s 1692 86% 5% 3% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.cxd5 78% 86% ▲ +7.7%
4.Nf3 8% 5% ▼ -3.5%
4.e3 7% 3% ▼ -3.6%
4.e4 3% 2% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 8 parties
Hou, Yifan — 4 parties
Carlsen, Magnus — 3 parties
Gukesh D — 2 parties
Steinitz, Wilhelm — 1 partie
Lasker, Emanuel — 1 partie
Alekhine, Alexander — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Parties historiques
4.cxd5 — 81.0% (2507 parties)
1899 — Mason, James vs Janowski, Dawid — 1-0 — London ENG
1899 — Pillsbury vs Janowski, Dawid — 1-0 — London ENG
1899 — Showalter, Jackson vs Janowski, Dawid — 1/2-1/2 — London ENG
1899 — Pillsbury, Harry vs Janowski, Dawid — 1-0 — London ENG
1899 — Lasker, Emanuel vs Janowski, Dawid — 1-0 — London ENG
4.Nf3 — 7.1% (219 parties)
1902 — Schlechter, Carl vs Janowski, Dawid — 1-0 — Carlsbad CZE
1908 — Vidmar, Milan Sr vs Důras, Oldřich — 1-0 — Prague CZE
1912 — Favoursky, A. vs Hromadka, Karel — 0-1 — Vilnius LTU
1912 — Johner, Paul vs Alapin, Simon — 1/2-1/2 — Bad Pistyan CZE
1919 — Haralds, Constantin vs Olson, Anton — 1-0 — Goteborg SWE
4.e3 — 5.3% (164 parties)
1899 — Steinitz, Wilhelm vs Janowski, Dawid — 0-1 — London ENG
1912 — Burn, Amos vs Důras, Oldřich — 0-1 — Breslau GER
1913 — Lowtzky, Mojsesz vs Duras, Oldrich — 1/2-1/2 — Warsaw POL
1929 — Saemisch, Friedrich vs Treybal, Karel — 1/2-1/2 — Carlsbad CZE
1932 — Johner, Hans vs Flohr, Salo — 1/2-1/2 — Bern SUI
4.e4 — 2.4% (74 parties)
1899 — Tinsley, Samuel vs Janowski, Dawid — 0-1 — London ENG
1902 — Schlechter, Carl vs Janowski, Dawid — 1-0 — Carlsbad CZE
1909 — Sjoberg, Victor vs Duras, Oldrich — 1-0 — Gothenburg Goteborg SWE
1959 — Schuster, Theodor vs Wolk, Sigmund — 1/2-1/2 — Minden
1993 — Sorvari, Jarmo vs Wallin E — 1-0 — Helsinki FIN