B40b - 3.c4 - Kramnik Variation (1909)

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B40b — Kramnik Variation (1909)
1.e4 c5 2.Nf3 e6 3.c4
Les coups candidats
3…Nc6 — 71.8% (5999 parties)
Ambassadeurs : Klinova, Masha (50x), Rublevsky, Sergei (40x), Dolzhykova, Kateryna (36x), Yandemirov, Valeri (34x), Komliakov, Viktor (24x), Gvetadze, Sofio (20x), Borgo, Giulio (19x), Muzychuk, Anna (19x)
Ambassadeurs : Kovacevic, Slobodan (5x), Vuksanovic, Sanja (5x), Koneru, Humpy (5x), Dolzhykova, Kateryna (5x), Muzychuk, Anna (5x), Papp, Gabor (4x), Nandhidhaa, P V (4x), Bala Kannamma P (4x)
3…d6 — 8.3% (697 parties)
Ambassadeurs : Charnushevich, Aliaksei (4x), Abramova, Yulia (4x), Oratovsky, Michael (3x), Wagener, Anna (3x), Sandhoefner, Florian (3x), Votava, Jan (3x), Lubbe, Melanie (3x), Muzychuk, Mariya (3x)
3…b6 — 3.0% (251 parties)
Ambassadeurs : Barlov, Dragan (6x), Sulava, Nenad (5x), Cebalo, Miso (3x), Borgo, Giulio (3x), Rapatinski, Konstantin (2x), Gheorghiu, Florin (2x), Vehi Bach, Victor Manuel (2x), Malakhov, Vladimir (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…Nc6 3…a6 3…d6 3…b6
<1800 671 70% 8% 9% 3%
1800-2200 3639 69% 13% 9% 2%
2200-2600 3347 74% 12% 7% 4%
2600+ 83 94% 2% — 1%
Évolution par décennie (% des parties)
Décennie N parties 3…Nc6 3…a6 3…d6 3…b6
1950s 19 79% 5% 11% —
1960s 34 85% 9% — —
1970s 34 82% 6% — 6%
1980s 120 72% 10% 8% 4%
1990s 1095 72% 10% 10% 4%
2000s 2595 68% 13% 10% 4%
2010s 3384 71% 12% 9% 3%
2020s 1076 83% 9% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…Nc6 71% 83% ▲ +12.6%
3…a6 12% 9% ▼ -2.8%
3…d6 9% 3% ▼ -5.6%
3…b6 3% 1% ▼ -2.0%
Joueurs célèbres
Champions du monde dans cette position
Hou, Yifan — 3 parties
Carlsen, Magnus — 3 parties
Kramnik, Vladimir — 2 parties
Kasparov, Garry — 1 partie
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
3…Nc6 — 71.8% (5999 parties)
1950 — Zapata Vinces, Mario vs Devos, Paul — 1/2-1/2 — Dubrovnik CRO
1950 — Puc, Stojan vs Muhring, Willem Jan — 1-0 — ?
1951 — Van Steenis, Hendrik Jan vs Muhring, Willem Jan — 0-1 — match
1952 — Norcia, Federico vs Nestler, Vincenzo — 1-0 — Ferrara
1953 — Cipollini, Andrea vs Nestler, Vincenzo — 0-1 — Florence
3…a6 — 11.6% (968 parties)
1957 — Szukszta, Janus vs Kholmov, Ratmir D — 0-1 — Szczawno Zdroj
1960 — Adams, Peter J vs Collins, Richard — 1/2-1/2 — Hayes
1968 — Prins, Lodewijk vs Day, Lawrence A. — 0-1 — Lugano Ol
1969 — Bondoc, Dan-Vladimir vs Gheorghiu, Florin — 1/2-1/2 — Bucharest ROU
1972 — Lobigas, Julian vs Minaya, Juan — 1-0 — Skopje ol (Men) fin-B
3…d6 — 8.3% (697 parties)
1951 — Kochan, Fritz vs Werner, Stephan — 0-1 — Minden
1955 — Jorgensen, Leon vs Jacobsen, Bo — 1-0 — Copenhagen DEN
1980 — Chebanenko, Vecheslav vs Kravchenko, Vladimir V. — 0-1 — Kishinev MDA
1981 — Stefanov, Krasimir vs Popov, Luben — 1/2-1/2 — BUL-ch Sofia BUL
1982 — Alexandrova, Dimitrinka vs Gocheva, Rumiana — 1/2-1/2 — Sofia BUL
3…b6 — 3.0% (251 parties)
1970 — Tabor, Barbara vs Flesch, Etienne — 1-0 — Kecskemet HUN
1976 — Ott, Wolfgang vs Gheorghiu, Florin — 0-1 — Timisoara
1980 — Popov, Jovan vs Sulava, Nenad — 0-1 — Virovitica
1986 — Arjit Shaw vs Rogers, Ian — 0-1 — Toowoomba
1987 — Betzer, Hans Joachim vs Rapatinski, Konstantin — 1-0 — Muenster GER