Ambassadeurs : Kovalevskaya, Ekaterina (6x), Averbakh, Yuri L (5x), Lilienthal, Andor (5x), Smejkal, Jan (5x), Najdorf, Miguel (4x), Geller, Efim P. (4x), Gligorić, Svetozar (4x), Reshevsky, Samuel (4x)
12.b3 — 20.6% (406 parties)
Ambassadeurs : Tregubov, Pavel V. (8x), Poldauf, Dirk (6x), Blagojevic, Dragisa (6x), Ilincic, Zlatko (5x), Hausner, Ivan (5x), Vaulin, Alexander P. (4x), Kahn, Evarth Dr. (4x), Ellers, Holger, Dr. (4x)
12.Ndb5 — 19.5% (384 parties)
Ambassadeurs : Nevostrujev, Vladimir (4x), Cuevas Rodriguez, Maria Luisa (3x), Hernandez Onna, Roman (2x), Moehring, Guenther (2x), Kaufman, Lawrence (2x), Kaplan, Julio (2x), Kraehenbuehl, Gary (2x), Dautov, Rustem (2x)
12.Rb1 — 16.3% (322 parties)
Ambassadeurs : Planinec, Albin (6x), Csom, Istvan (5x), Korchnoi, Viktor (4x), Kovalevskaya, Ekaterina (4x), Arsovic, Goran (4x), Ribli, Zoltan (3x), Browne, Walter Shawn (3x), Goldin, Alexander (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo
N parties
12.Qc2
12.b3
12.Ndb5
12.Rb1
<1800
24
8%
17%
33%
12%
1800-2200
464
19%
23%
19%
16%
2200-2600
1130
24%
21%
22%
18%
2600+
15
20%
13%
33%
20%
Évolution par décennie (% des parties)
Décennie
N parties
12.Qc2
12.b3
12.Ndb5
12.Rb1
1930s
2
—
100%
—
—
1940s
19
32%
11%
—
—
1950s
90
57%
8%
1%
17%
1960s
34
59%
9%
6%
15%
1970s
89
47%
6%
10%
28%
1980s
131
37%
18%
8%
20%
1990s
484
26%
27%
12%
20%
2000s
447
17%
26%
21%
17%
2010s
520
21%
18%
28%
12%
2020s
156
21%
15%
38%
12%
Tendances récentes (2010s → 2020s)
Coup
2010s
2020s
Δ
12.Qc2
21%
21%
-0.1%
12.b3
18%
15%
▼ -3.5%
12.Ndb5
28%
38%
▲ +9.4%
12.Rb1
12%
12%
▼ -0.6%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 4 parties Kasparov, Garry — 2 parties Smyslov, Vladimir — 1 partie Botvinnik, Mikhail — 1 partie
Parties historiques
12.Qc2 — 25.7% (507 parties)
1948 — Pachman, Ludek vs Lilienthal, Andor — 0-1 — Saltsjobaden SWE 1948 — Pirc, Vasja vs Najdorf, Miguel — 1-0 — Saltsjobaden SWE 1949 — Sajtar, Jaroslav vs Busek, Hans — 1/2-1/2 — AUT-CSR Vienna AUT 1949 — Levenfish, Grigory vs Petrosian, Tigran A. — 0-1 — Moskou ch-URS 1949 — Kramer, Haije vs Tordion Serge — 1-0 — Baarn NED
12.b3 — 20.6% (406 parties)
1935 — Bolbochan, Jacobo vs Dobkin, Yosef — 1/2-1/2 — Warsaw POL 1937 — Szabo, Ladislav vs Ballai, Zsolt — 1-0 — Budapest HUN 1946 — Marini Speca, Gioia vs Bolbochan, J. — 1/2-1/2 — Buenos Aires ch-ARG 1948 — Kramer, George vs Whitaker, Norman — 1-0 — Baltimore, MD USA 1950 — Bergqvist, Allan vs Pedersen, Ebbe — 0-1 — Dubrovnik CRO
12.Ndb5 — 19.5% (384 parties)
1952 — Madeira de Ley, Manuel vs Cordioli, Lourenco Joao — 1-0 — Sao Paulo BRA 1966 — Flesch, Janos vs Paoli, Enrico — 1-0 — Szombathely 1968 — Keene, Raymond D vs Lee, Peter N — 1/2-1/2 — Southend 1974 — Liebert, Heinz vs Moehring, Guenther — 1-0 — Halle GER 1974 — Szabo, Laszlo vs Bachmann, Friedhelm — 1-0 — Dortmund GER
12.Rb1 — 16.3% (322 parties)
1953 — Szapiel, Henryk vs Doda, Zbigniew — 1-0 — Krakow POL 1954 — Abramovich Furman, Semyon vs Artsukevich, K. — 1/2-1/2 — Leningrad RUS 1954 — O'Kelly, Albéric de Galway vs Ciocaltea, Victor — 1/2-1/2 — Bucharest ROU 1954 — Bauza, Lorenzo vs Alvarez del Monte, Jose — 1-0 — Montevideo URU 1954 — Furman, Slavomir vs Tolush, Alexander — 1-0 — Leningrad RUS
Kasparov, Garry — 2 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
1948 — Pirc, Vasja vs Najdorf, Miguel — 1-0 — Saltsjobaden SWE
1949 — Sajtar, Jaroslav vs Busek, Hans — 1/2-1/2 — AUT-CSR Vienna AUT
1949 — Levenfish, Grigory vs Petrosian, Tigran A. — 0-1 — Moskou ch-URS
1949 — Kramer, Haije vs Tordion Serge — 1-0 — Baarn NED
1937 — Szabo, Ladislav vs Ballai, Zsolt — 1-0 — Budapest HUN
1946 — Marini Speca, Gioia vs Bolbochan, J. — 1/2-1/2 — Buenos Aires ch-ARG
1948 — Kramer, George vs Whitaker, Norman — 1-0 — Baltimore, MD USA
1950 — Bergqvist, Allan vs Pedersen, Ebbe — 0-1 — Dubrovnik CRO
1966 — Flesch, Janos vs Paoli, Enrico — 1-0 — Szombathely
1968 — Keene, Raymond D vs Lee, Peter N — 1/2-1/2 — Southend
1974 — Liebert, Heinz vs Moehring, Guenther — 1-0 — Halle GER
1974 — Szabo, Laszlo vs Bachmann, Friedhelm — 1-0 — Dortmund GER
1954 — Abramovich Furman, Semyon vs Artsukevich, K. — 1/2-1/2 — Leningrad RUS
1954 — O'Kelly, Albéric de Galway vs Ciocaltea, Victor — 1/2-1/2 — Bucharest ROU
1954 — Bauza, Lorenzo vs Alvarez del Monte, Jose — 1-0 — Montevideo URU
1954 — Furman, Slavomir vs Tolush, Alexander — 1-0 — Leningrad RUS