Ambassadeurs : Barsov, Alexei (16x), Luther, Thomas (9x), Lukacs, Peter (8x), Szekely, Peter (8x), Mohr, Georg (7x), Beliavsky, Alexander G (7x), Spiridonov, Nikola (7x), Guo, Qi (7x)
4.Bg2 — 28.4% (535 parties)
Ambassadeurs : Beliavsky, Alexander G (4x), Bosboom, Manuel (4x), Taimanov, Mark (3x), Adamski, Jan (3x), Serper, Grigory (3x), Christiansen, Johan-Sebastian (3x), Potapova, Margarita (3x), Lobanov, Sergei (3x)
4.Na3 — 3.0% (57 parties)
Ambassadeurs : Bianco, Daniele (2x), Andriessen, Bart Jan (1x), Ciric, Aleksandar (1x), Stein, Leonid (1x), Keres, Paul Petrovich (1x), Hergott, Deen (1x), Karolyi, Tibor (1x), Sunye Neto, Jaime (1x)
4.Qc2 — 0.7% (13 parties)
Ambassadeurs : Drozdowski, Konrad (2x), Zlotnikov, Mikhail (1x), Strugatsky, Vladimir (1x), Knoedler, Dieter, Dr. (1x), Ekstroem, Roland (1x), Yagiz, Yasin Emrah (1x), Meydan, Ismail (1x), Garza Marco, Sergio (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
4.Qa4+
4.Bg2
4.Na3
4.Qc2
<1800
51
73%
16%
10%
—
1800-2200
395
63%
31%
5%
1%
2200-2600
1290
69%
28%
2%
1%
2600+
73
64%
34%
1%
—
Évolution par décennie (% des parties)
Décennie
N parties
4.Qa4+
4.Bg2
4.Na3
4.Qc2
1950s
6
50%
50%
—
—
1960s
12
75%
8%
17%
—
1970s
27
70%
30%
—
—
1980s
79
66%
29%
5%
—
1990s
258
77%
20%
3%
—
2000s
341
72%
22%
4%
1%
2010s
731
66%
30%
3%
1%
2020s
429
61%
36%
2%
1%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
4.Qa4+
66%
61%
▼ -5.4%
4.Bg2
30%
36%
▲ +5.8%
4.Na3
3%
2%
▼ -0.9%
4.Qc2
1%
1%
+0.4%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 4 parties Ju, Wenjun — 2 parties Kasparov, Garry — 1 partie Tal, Mikhail — 1 partie Carlsen, Magnus — 1 partie Anand, Viswanathan — 1 partie Ding, Liren — 1 partie Hou, Yifan — 1 partie
Parties historiques
4.Qa4+ — 67.6% (1272 parties)
1955 — Parak, Frantisek vs Sefc, Jan — 1-0 — Prague CZE 1956 — De Greif, Boris vs Sefc, Jan — 1/2-1/2 — Moskou olm 1956 — Harvey, Phillip vs Mengarini, Ariel — 0-1 — Detroit, MI USA 1961 — Taimanov, Mark vs Keres, Paul — 1/2-1/2 — Baku ch-URS 1963 — Kots, Yuri I vs Zamkovskaya, Violetta Aleks — 1-0 — Kiev UKR
4.Bg2 — 28.4% (535 parties)
1950 — Koberl, Ferenc vs Sebestyen, Balazs — 1/2-1/2 — Budapest HUN 1955 — Goldberg, Grigory vs Beilin, Mikhail — 1-0 — Moscow RUS 1955 — Christensen, Kurt Verner vs Nielsen, Gunnar — 0-1 — Denmark ch corr 1965 — Langeweg, Kick vs Aadhitha Karikalan — 0-1 — Amsterdam NED 1973 — Schmidt, Wlodzimierz vs Adamski, Jan — 1/2-1/2 — POL-ch Gdynia POL
4.Na3 — 3.0% (57 parties)
1967 — Andriessen, Bart Jan vs Ciric, Aleksandar — 1/2-1/2 — Zwolle NED 1969 — Stein, Leonid vs Keres, Paul Petrovich — 1/2-1/2 — Tallinn Tallinn EST 1982 — Sunye Neto, Jaime vs Nogueiras Santiago, Jesus — 1-0 — Seville ESP 1984 — Mathieu, Louis vs Grizou, Regis — 0-1 — AJEC/1144 corr 1987 — Hergott, Deen vs Karolyi, Tibor — 0-1 — Brussels BEL
4.Qc2 — 0.7% (13 parties)
2002 — Zlotnikov, Mikhail vs Strugatsky, Vladimir — 0-1 — Seattle, WA USA 2005 — Garza Marco, Sergio vs Labena Bernal, Antonio — 1-0 — Zaragoza 2007 — Yagiz, Yasin Emrah vs Meydan, Ismail — 1-0 — ICCF 2007 — Matamoros Franco, Carlos S. vs Pantaleoni, Claudio — 1-0 — Porto Mannu PAL 2009 — Knoedler, Dieter, Dr. vs Ekstroem, Roland — 1-0 — Switzerland
Ju, Wenjun — 2 parties
Kasparov, Garry — 1 partie
Tal, Mikhail — 1 partie
Carlsen, Magnus — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Hou, Yifan — 1 partie
1956 — De Greif, Boris vs Sefc, Jan — 1/2-1/2 — Moskou olm
1956 — Harvey, Phillip vs Mengarini, Ariel — 0-1 — Detroit, MI USA
1961 — Taimanov, Mark vs Keres, Paul — 1/2-1/2 — Baku ch-URS
1963 — Kots, Yuri I vs Zamkovskaya, Violetta Aleks — 1-0 — Kiev UKR
1955 — Goldberg, Grigory vs Beilin, Mikhail — 1-0 — Moscow RUS
1955 — Christensen, Kurt Verner vs Nielsen, Gunnar — 0-1 — Denmark ch corr
1965 — Langeweg, Kick vs Aadhitha Karikalan — 0-1 — Amsterdam NED
1973 — Schmidt, Wlodzimierz vs Adamski, Jan — 1/2-1/2 — POL-ch Gdynia POL
1969 — Stein, Leonid vs Keres, Paul Petrovich — 1/2-1/2 — Tallinn Tallinn EST
1982 — Sunye Neto, Jaime vs Nogueiras Santiago, Jesus — 1-0 — Seville ESP
1984 — Mathieu, Louis vs Grizou, Regis — 0-1 — AJEC/1144 corr
1987 — Hergott, Deen vs Karolyi, Tibor — 0-1 — Brussels BEL
2005 — Garza Marco, Sergio vs Labena Bernal, Antonio — 1-0 — Zaragoza
2007 — Yagiz, Yasin Emrah vs Meydan, Ismail — 1-0 — ICCF
2007 — Matamoros Franco, Carlos S. vs Pantaleoni, Claudio — 1-0 — Porto Mannu PAL
2009 — Knoedler, Dieter, Dr. vs Ekstroem, Roland — 1-0 — Switzerland