B22p - 4.Nf3 - Alapin

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B22p — Alapin
1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.Nf3
Les coups candidats
Ambassadeurs : Marbourg, Denny (91x), Gaujens, Artis (83x), Sveshnikov, Evgeny (72x), Markus, Roland (66x), Godena, Michele (64x), Karpatchev, Aleksandr (59x), Sermek, Drazen (54x), Vysochin, Spartak (50x)
Ambassadeurs : Karpatchev, Aleksandr (41x), Jonkman, Harmen (39x), Godena, Michele (33x), Sveshnikov, Evgeny (31x), Sermek, Drazen (30x), Savic, Miodrag R (30x), Marbourg, Denny (21x), Rabiega, Robert (18x)
Ambassadeurs : Marbourg, Denny (36x), Pap, Marko (21x), Sveshnikov, Evgeny (18x), Potapov, Pavel (17x), Jonkman, Harmen (15x), Pavasovic, Dusko (13x), Gaujens, Artis (13x), Godena, Michele (11x)
4…g6 — 0.6% (92 parties)
Ambassadeurs : Brandenburg, Daan (3x), Van Assendelft, Floris (3x), Kaloskambis, Mihail (2x), Gavrish, Leonid (2x), Thomas, Roy (2x), Degraeve, Jean-Marc (2x), Bologan, Victor (2x), Raiano, Andrea (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nc6 4…e6 4…d6 4…g6
<1800 747 57% 27% 14% 1%
1800-2200 5567 57% 28% 13% 1%
2200-2600 6894 53% 30% 16% 1%
2600+ 237 62% 19% 18% 0%
Évolution par décennie (% des parties)
Décennie N parties 4…Nc6 4…e6 4…d6 4…g6
1950s 12 67% 17% 17% —
1960s 47 66% 17% 17% —
1970s 70 67% 14% 17% —
1980s 103 59% 20% 17% 2%
1990s 1404 52% 36% 9% 0%
2000s 4207 59% 32% 7% 1%
2010s 5304 57% 29% 13% 1%
2020s 3123 50% 21% 28% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nc6 57% 50% ▼ -7.6%
4…e6 29% 21% ▼ -7.3%
4…d6 13% 28% ▲ +15.5%
4…g6 1% 1% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 10 parties
Anand, Viswanathan — 6 parties
Hou, Yifan — 5 parties
Kramnik, Vladimir — 3 parties
Ju, Wenjun — 3 parties
Gukesh D — 2 parties
Kasparov, Garry — 1 partie
Parties historiques
4…Nc6 — 55.8% (7958 parties)
1953 — Canal, Esteban vs Bosch van Rosenthal, Edzard — 1/2-1/2 — Venice ITA
1955 — Van der Wel, Peter vs Sarosy, Zoltan L — 1-0 — Toronto/Ottawa/Hamilton CAN
1958 — Heidenfeld, Wolfgang vs Primavera, Giuseppe — 1/2-1/2 — Munich GER
1958 — Heidenfeld, Wolfgang vs Johannsson, Ingi R — 1/2-1/2 — Munich GER
1958 — Galewicz, Marek vs Szabo, Iuliu inactive — 0-1 — Varna BUL
4…e6 — 28.6% (4083 parties)
1951 — Staudte, Hans-Hilmar vs Muhring, Willem Jan — 1-0 — Duesseldorf GER
1952 — Potucek, Ludovit vs Olexa, Vilem — 0-1 — Tatranska ch
1960 — Weiss, Martin vs Van den Berg, Carel B — 0-1 — Zurich SUI
1960 — Sifton, Isaac Taylor vs Harris, Peter A — 0-1 — Paignton
1961 — Schuster, Thomas vs Udovcic, Mijo — 1/2-1/2 — Oberhausen etc
4…d6 — 14.2% (2033 parties)
1957 — Canal, Esteban vs Scafarelli, Francesco — 1-0 — San Benedetto
1958 — Grivainis, Konstantin vs MacLeod, Norman — 1-0 — Munich GER
1962 — Heidenfeld, Wolfgang vs Kieninger, Georg — 1/2-1/2 — Amsterdam NED
1964 — Sutherland, Donald vs Blackstone, John — 1-0 — No. CA
1965 — Grivainis, Konstantin vs Blackstone, John — 0-1 — No. CA
4…g6 — 0.6% (92 parties)
1984 — Alexopoulos, Georgios 94 vs Carbonetta, Maiko — 1-0 — Ontario CAN
1989 — Raiano, Andrea vs Bartsch, Berthold — 0-1 — Forli
1994 — Lesquillier, Walter vs Ladyzhensky, Boris Y — 0-1 — California
1994 — Paakkonen, Timo vs Sihvonen, Tero — 0-1 — JSM 9495
1997 — Schuchardt, Guenter vs Maeder, Karl-Heinz — 1/2-1/2 — Bergen Enkheim