B41b - 5.g3 - Kan (1920)

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B41b — Kan (1920)
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.g3
Les coups candidats
5…Nf6 — 28.2% (439 parties)
Ambassadeurs : Sherzer, Alex (3x), Kovacevic, Slobodan (3x), Zuluaga Mancilla, Cesar (3x), Maes, Wim (3x), Lopez Gonzalez, Carlos Andres (3x), Xie, Felix (3x), Wagner-Michel, Annett (2x), Rubinetti, Jorge (2x)
5…d5 — 26.9% (419 parties)
Ambassadeurs : Sherzer, Alex (4x), Averbakh, Yuri L (2x), Filip, Miroslav (2x), Giustolisi, Alberto (2x), Drimer, Dolfi (2x), Neikirkh, Oleg (2x), Tal, Mikhail (2x), Bak, Istvan (2x)
5…Qc7 — 17.1% (266 parties)
Ambassadeurs : Bressers, Rene (2x), Pepino, Enrico (2x), Auvinen, Esa (2x), Zatulovskaya, Tatiana (1x), Jovanovic, Katarina (1x), Czerniak, Moshe (1x), Richter, Yosef (1x), Rom, Meir (1x)
5…b5 — 11.2% (174 parties)
Ambassadeurs : Barda, Olaf (3x), Zalys, Ignas (2x), Kecze, Matyas (2x), Nilsson, Zandor (1x), Bivshev, Vasily (1x), Kan, Igor (1x), Kieninger, George (1x), Crabbendam, Hans (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Nf6 5…d5 5…Qc7 5…b5
<1800 85 27% 7% 32% 15%
1800-2200 759 29% 17% 21% 14%
2200-2600 502 30% 40% 9% 7%
2600+ 15 20% 40% — 13%
Évolution par décennie (% des parties)
Décennie N parties 5…Nf6 5…d5 5…Qc7 5…b5
1950s 28 11% 57% — 21%
1960s 68 22% 51% 13% 9%
1970s 43 14% 40% 21% 12%
1980s 57 33% 42% 9% 4%
1990s 222 32% 29% 14% 9%
2000s 424 32% 22% 19% 11%
2010s 536 26% 20% 21% 13%
2020s 181 27% 34% 11% 12%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Nf6 26% 27% ▲ +0.8%
5…d5 20% 34% ▲ +13.6%
5…Qc7 21% 11% ▼ -9.7%
5…b5 13% 12% ▼ -1.1%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 1 partie
Parties historiques
5…Nf6 — 28.2% (439 parties)
1955 — Bak, Istvan vs Alster, Ladislav — 1-0 — Prague CZE
1959 — Carr, William vs Burger, Karl — 0-1 — Omaha
1959 — Hilton, CG. vs Barden, Leonard — 0-1 — York ch-BCF
1960 — Volpert, Larisa vs Konarkowska-Sokolov, Henrijeta — 1-0 — Tbilisi GEO
1961 — Pfleger, Helmut, Dr. vs Adam, Hermann — 1-0 — Hitzacker
5…d5 — 26.9% (419 parties)
1955 — Averbakh, Yuri L vs Aarland, Stein Arild — 1/2-1/2 — ?
1955 — Averbakh, Yuri L vs Kan, Ilya — 1/2-1/2 — Moskou ch-URS
1956 — Klavins, Janis vs Koblencs, Alexander — 1-0 — Riga LAT
1956 — Gragger, Anton Fritz vs Keller, Rudolf — 0-1 — Vienna AUT
1956 — Lieb, Harald vs Hantke, Rolf — 1/2-1/2 — Hitzacker
5…Qc7 — 17.1% (266 parties)
1962 — Aabel Thomas Eapen vs Hindle, Owen M — 0-1 — Hastings ENG
1964 — Denman, Brian John vs Adams, Peter J — 1/2-1/2 — Bognor Regis
1964 — Haefner, Hans Peter vs Gerusel, Mathias — 1-0 — Ingolstadt
1965 — Zatulovskaya, Tatiana vs Jovanovic, Katarina — 1-0 — USSR
1965 — Czerniak, Moshe vs Richter, Yosef — 1-0 — Israel
5…b5 — 11.2% (174 parties)
1952 — Bivshev, Vasily vs Kan, Igor — 1-0 — Moskou ch-URS
1958 — Nilsson, Zandor vs Barda, Olaf — 0-1 — Jonkoping
1958 — Koskinen, Heikki vs Barda, Olaf — 1/2-1/2 — Jonkoping
1959 — Dominguez, Cristobal vs Bazan, Osvaldo — 0-1 — Buenos Aires ARG
1959 — Jonsson, Johannes G vs Barda, Olaf — 1-0 — Goteborg SWE