D16a — Alapin Variation (1932)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4
Les coups candidats
Ambassadeurs : Hector, Jonny (154x), Frijling, Jeroen (92x), Meduna, Eduard (87x), ? (87x), Sokolov, Ivan (78x), Beliavsky, Alexander G (76x), Bu, Xiangzhi (63x), Tukmakov, Vladimir B (61x)
Ambassadeurs : Dolgov, Igor (19x), Graf, Christian (17x), Rogers, Ian (15x), Sapis, Witalis (13x), Huzman, Alexander (12x), Pomes Marcet, Joan (12x), Metaxasz, Vaszilisz (12x), Derikum, Axel (11x)
Ambassadeurs : Postny, Evgeny (35x), Balogh, Csaba (26x), Sumets, Andrey (23x), Jakovenko, Dmitry (22x), Ernst, Sipke (21x), Malakhatko, Vadim (17x), Hoang, Thi Bao Tram (15x), Rublevsky, Sergei (14x)
Ambassadeurs : Reefschlaeger, Helmut, Dr. (21x), Schoenrock, Ruediger (17x), Hort, Vlastimil (15x), Gretarsson, Helgi Ass (15x), Taimanov, Mark (12x), Smyslov, Vasily (10x), Goertz, Frank (7x), Uhlmann, Wolfgang (6x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 5…Bf5 5…Bg4 5…e6 5…Na6
<1800 1827 82% 5% 4% 2%
1800-2200 14633 85% 5% 3% 3%
2200-2600 19955 82% 6% 6% 3%
2600+ 1757 76% 2% 19% 2%
Évolution par décennie (% des parties)
Décennie N parties 5…Bf5 5…Bg4 5…e6 5…Na6
1950s 337 91% 4% 1% 0%
1960s 398 67% 6% 2% 22%
1970s 591 66% 17% 2% 14%
1980s 2031 76% 16% 0% 6%
1990s 6534 77% 14% 1% 4%
2000s 13292 84% 5% 4% 3%
2010s 16251 85% 3% 8% 2%
2020s 3318 85% 1% 10% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
5…Bf5 85% 85% +0.1%
5…Bg4 3% 1% ▼ -1.4%
5…e6 8% 10% ▲ +1.6%
5…Na6 2% 1% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Botvinnik, Mikhail — 7 parties
Tal, Mikhail — 6 parties
Gukesh D — 4 parties
Hou, Yifan — 2 parties
Karpov, Aleksandr — 1 partie
Capablanca, Jose Raul — 1 partie
Smyslov, Vassily — 1 partie
Parties historiques
5…Bf5 — 82.4% (35246 parties)
1950 — Petrosian, Tigran A. vs Levenfish, Grigory — 1-0 — Gorki
1950 — Schwartz, Dr vs Martin, Raymond — 0-1 — United States
1950 — Keller-Hermann, Edith vs Langos, Jozsa — 1/2-1/2 — Moscow RUS
1950 — Cooper, John G vs Katz, Adam — 0-1 — England
1950 — Ferrantes Giovanni vs Abdi, Andreas — 1-0 — ?
5…Bg4 — 6.1% (2589 parties)
1951 — Bolbochan, Julio vs Dantas, Alexander Ro — 1-0 — Mar del Plata zt Mar
1951 — Bolbochan, Julio vs Dantas, Neimar de Oliveira — 1-0 — Mar del Plata ARG
1957 — Krogius, Nikolai V vs Klaman, Konstantin Mikhailovich — 1/2-1/2 — Leningrad RUS
1958 — Viner, Philip John vs Pikler, Robert — 1-0 — Sydney AUS
1958 — Averbakh, Yuri L vs Szabo, Laszlo — 0-1 — Portoroz SLO
5…e6 — 5.3% (2263 parties)
1951 — Bolbochan, Jacobo vs Letelier Martner, Rene — 0-1 — Mar del Plata ARG
1953 — Borisenko, Georgy K vs Villard, Feliks — 1-0 — Leningrad RUS
1959 — Willaert, Robert vs Soultanbeieff, Victor — 1-0 — Brussels BEL
1960 — Osnos, Viatcheslav vs Ustinov, Georgy I — 1-0 — Vilnius LTU
1962 — Fries, Tom vs Rogosin, Donn — 1-0 — Los Angeles, CA USA
5…Na6 — 3.1% (1336 parties)
1959 — Gligorić, Svetozar vs Smyslov, Vasily — 1-0 — Bled/Zagreb/Belgrade
1960 — Flohr, Salo vs Bagirov, Vladimir — 1/2-1/2 — Vilnius LTU
1960 — Shianovsky, Vladislav I vs Lazarev, Efim M. — 1-0 — ?
1960 — Mititelu, Gheorghe vs Octaviano, Patrick Matheus — 0-1 — Bucharest ROU
1960 — Kluger, Gyula vs Fuderer, Andrija — 1/2-1/2 — Budapest HUN