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C41t — Improved Hanham
1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.Nc3 Nbd7 5.Bc4 Be7 6.O-O
Eval: [+0.57]
Les coups candidats
Ambassadeurs : Kunin, Vitaly (66x), Pribyl, Josef (65x), Morin, Louis (56x), Jovanovic, Zoran (49x), Lorscheid, Gerhard (49x), Plat, Vojtech (48x), Lubczynski, Rafal (48x), Neuman, Petr (46x)
6…c6 — 7.6% (1354 parties)
Ambassadeurs : Klemanic, Emil (46x), Husek, Zdenek (33x), De Visser, Arno (27x), Barendregt, Johan (16x), Czebe, Attila (13x), Shepley, Julien M (12x), Paleologu, Vladimir (12x), Rosol, Alexander (11x)
6…Nb6 — 2.3% (410 parties)
Ambassadeurs : Strikovic, Aleksa (26x), Jovanovic, Zoran (15x), Damljanovic, Branko (14x), Hoffman, Alejandro (14x), Popovic, Dusan (10x), Koellner, Ruben Gideon (10x), Paunovic, Dragan (8x), Popovic, Du (8x)
6…h6 — 1.9% (334 parties)
Ambassadeurs : Broeker, Clemens (9x), Vandermeulen, Boni (8x), Groot, Peter J A (5x), Aguilar, Luis Miguel (5x), Schmid, Roland (5x), Krejcik, Jiri (4x), Noble, Mark Frederick (4x), Rekom, J. van (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…O-O 6…c6 6…Nb6 6…h6
<1800 250 74% 15% 4% 7%
1800-2200 5124 84% 11% 2% 3%
2200-2600 10798 91% 5% 3% 1%
2600+ 340 89% 5% 4% 0%
Évolution par décennie (% des parties)
Décennie N parties 6…O-O 6…c6 6…Nb6 6…h6
1890s 2 100%
1900s 7 100%
1910s 21 90% 10%
1920s 28 82% 14% 4%
1930s 16 62% 25% 12%
1940s 28 64% 21% 14%
1950s 40 72% 20% 8%
1960s 81 68% 28% 4%
1970s 173 83% 14% 2%
1980s 288 89% 10% 0% 1%
1990s 2080 91% 7% 2%
2000s 4900 92% 6% 0% 2%
2010s 8165 87% 7% 4% 2%
2020s 1915 79% 14% 3% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…O-O 87% 79% ▼ -7.9%
6…c6 7% 14% ▲ +7.4%
6…Nb6 4% 3% -0.5%
6…h6 2% 3% ▲ +1.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 7 parties
Alekhine, Alexander — 6 parties
Hou, Yifan — 4 parties
Botvinnik, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 2 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Euwe, Max — 1 partie
Kramnik, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
6…O-O — 87.9% (15591 parties)
1894 — Young Zhou, Jason vs Porterfield Rynd, James Alexander — 0-1 — ?
1898 — Alapin, Simon vs Blackburne, Joseph — 1-0 — Vienna AUT
1902 — Piotrowski, O. vs Leussen, Benjamin — 0-1 — Hannover GER
1904 — Napier, William vs Pillsbury, Harry — 1/2-1/2 — Cambridge
1904 — Gunston, William H vs Curnock, A. — 1/2-1/2 — London ENG
6…c6 — 7.6% (1354 parties)
1916 — Owesson, B. vs Olson, Edvin — 1/2-1/2 — Copenhagen DEN
1919 — Van Gelder, Allen vs Reti, Richard — 1-0 — Scheveningen NED
1920 — Ninzowitsch vs Agues Marco, Leo — 1-0 — Goteborg SWE
1922 — Hogewind, Gerrit vs Oskam, Gerard — 1-0 — NED
1923 — Nenarokov, Vladimir vs Lebedev, Semen — 1-0 — Petrograd ch-URS
6…Nb6 — 2.3% (410 parties)
1987 — Holl, Andreas vs Kaehler, Karl-Heinz — 1-0 — corr BdF
2002 — Purvis, Len I vs Hendry Anthony W — 0-1 — ?
2005 — Zippel, Harald vs Cheng, Ming-Kang — 0-1 — Mfr.2004/05
2006 — Sarenac, Ivan vs Trajkovic, Aleksandar — 1-0 — Vrnjacka Banja SRB
2007 — Perunovic, Milos vs Damljanovic, Branko — 1/2-1/2 — Mataruska Banja SRB
6…h6 — 1.9% (334 parties)
1922 — Lynch, Julio vs Chajes, Oscar — 1/2-1/2 — Buenos Aires-New York
1936 — Krassnig, Felix vs Cortlever, Nico — 1-0 — Muenchen
1936 — Breider, Jon vs Cortlever, Nico — 1-0 — Munich GER
1946 — Aguilar Aleman, Diego Ignacio vs Byrne, Ray — 0-1 — Pittsburgh
1946 — Seidman, Herbert vs Ulvestad, Olaf — 1-0 — Pittsburgh