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A20q — King’s (1939)
1.c4 e5 2.g3 Nc6 3.Bg2
Les coups candidats
3…g6 — 40.4% (4562 parties)
Ambassadeurs : Pribyl, Josef (20x), Karlsson, Lars 1937 (14x), Sehner, Norbert (13x), Vaulin, Alexander P. (13x), Serper, Grigory (13x), Sher, Miron (12x), Korchnoi, Viktor (11x), Koshy, Varugeese (11x)
3…f5 — 20.1% (2275 parties)
Ambassadeurs : Spraggett, Kevin (11x), Kurajica, Bojan (9x), Serper, Grigory (8x), Sher, Miron (8x), Vaulin, Alexander P. (8x), Eingorn, Vereslav S (6x), Lutton, E Josiah (6x), Kafka, Graeme (6x)
Ambassadeurs : Popov, Vladimir Valentinovich (9x), Foisor, Cristina-Adela (7x), Brissman, Anders (6x), Malewicz, Frank (6x), Polak, Tomas (6x), Korneev, Oleg (6x), Stark, Lars (5x), Spraggett, Kevin (4x)
3…Bc5 — 13.8% (1565 parties)
Ambassadeurs : Christiansen, Johan-Sebastian (9x), Larkin, Vladyslav (9x), Kantans, Toms (8x), Movsesian, Sergei (7x), Kovacevic, Blazimir (6x), Salgado Lopez, Ivan (5x), Savchenko, Stanislav (5x), Roselli Mailhe, Bernardo (5x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3…g6 3…f5 3…Nf6 3…Bc5
<1800 721 26% 21% 25% 17%
1800-2200 4683 37% 24% 17% 12%
2200-2600 4803 47% 18% 11% 15%
2600+ 174 51% 14% 9% 18%
Évolution par décennie (% des parties)
Décennie N parties 3…g6 3…f5 3…Nf6 3…Bc5
1950s 13 54% 15% 8% 15%
1960s 92 63% 5% 5% 2%
1970s 111 66% 15% 5% 3%
1980s 404 64% 13% 7% 1%
1990s 1585 56% 17% 11% 3%
2000s 3065 45% 20% 15% 8%
2010s 4652 32% 22% 19% 19%
2020s 1381 30% 21% 14% 26%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3…g6 32% 30% ▼ -1.6%
3…f5 22% 21% ▼ -0.9%
3…Nf6 19% 14% ▼ -4.8%
3…Bc5 19% 26% ▲ +7.2%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 6 parties
Kasparov, Garry — 5 parties
Gukesh D — 5 parties
Karpov, Anatoly — 4 parties
Anand, Viswanathan — 2 parties
Kramnik, Vladimir — 2 parties
Ding, Liren — 2 parties
Smyslov, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
3…g6 — 40.4% (4562 parties)
1954 — Carls, Carl vs Heinicke, Herbert — 1-0 — Bremen GER
1954 — Nuesken, Fritz vs Kahn, Manfred — 1/2-1/2 — Zittau
1957 — Furman, Slavomir vs Bannik, Anatolij — 1-0 — Leningrad RUS
1959 — Benko, Pal vs Keres, Paul Petrovich — 0-1 — Bled/Zagreb/Belgrade
1959 — Gromek, Jozef vs Blatny, Frantisek — 1-0 — Marianske Lazne
3…f5 — 20.1% (2275 parties)
1954 — Anay Barche vs Kluger, Gyula — 1-0 — Hungary ch
1958 — Tymoshenko, Peter vs Purdy, Cecil J S — 1-0 — Sydney AUS
1960 — Angles d'Auriac, Bernard vs Beni, Alfred — 0-1 — Leipzig GER
1965 — Fronczek, Heinrich vs Galewicz, Marek — 1-0 — Poznan POL
1968 — Andersen, Borge vs Franco, Sigifredo — 1-0 — Copenhagen ch-DEN
3…Nf6 — 15.6% (1758 parties)
1957 — Kaikamdzozov, Jivko vs Mechkarov, Stefan — 0-1 — Sofia BUL
1964 — Avner, Uri vs Adamski, Andrzej — 1/2-1/2 — Krakow POL
1965 — Lang, Erhard vs Theis, Wolfgang — 0-1 — Kiel GER
1965 — Partyka, Kazimierz vs De Graaff, Rag — 0-1 — Amsterdam NED
1966 — Soos, Bela vs Ree, Hans — 0-1 — Titovo Uzice
3…Bc5 — 13.8% (1565 parties)
1954 — Keck, K. vs Mechkarov, Ventzeslav — 1-0 — Halle GER
1959 — Jaeger, Walter vs Bialas, Wolfram — 1-0 — FRG-ch Nuerenberg GER
1962 — Alexander, Ken R D vs Rostovtsev, Yuri — 1/2-1/2 — ?
1963 — Alexander, Ken R D vs Kurass, Iskir — 1-0 — Kiev UKR
1970 — Hort, Vlastimil vs Salcher, Felix — 0-1 — ?