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A12l — London Defence
1.c4 c6 2.Nf3 d5 3.b3 Nf6 4.g3 Bf5 5.Bg2 e6
Eval: [-0.17]
Les coups candidats
6.O-O — 64.2% (982 parties)
Ambassadeurs : Mudra, Tomas (5x), Feustel, Bernd (5x), Narkun, Michal (5x), Demeter, Peter (4x), Spiridonov, Nikola (4x), Kranki, Hans (3x), Ujtelky, Maximilian (3x), Agdestein, Simen (3x)
Ambassadeurs : Metz, Hartmut (3x), Freisler, Pavel (3x), Valdes Romero, Leonardo (3x), Nikolaeva, Maria (3x), Lubczynski, Rafal (3x), Obona, Jan (3x), Botvinnik, Mikhail (2x), Sarosy, Zoltan L (2x)
6.d3 — 1.4% (21 parties)
Ambassadeurs : Raab, Peter (2x), Etruk, Rein T (1x), Nei, Iivo (1x), Van Riemsdijk, Herman C. (1x), Garcia Toledo, Pedro (1x), Streshinsky, L (1x), Tolmachev, Aleksander (1x), Kononenko, Tatiana (1x)
6.Nh4 — 0.2% (3 parties)
Ambassadeurs : Breustedt, Werner (1x), Kunz, Horst (1x), Djeno, Drago (1x), Bjelicic, Jan (1x), Olarte, Stefan (1x), Betrisey, Claude (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.Bb2 6.d3 6.Nh4
<1800 31 68% 29% 3%
1800-2200 597 63% 35% 1%
2200-2600 554 65% 33% 2% 0%
2600+ 9 56% 44%
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.Bb2 6.d3 6.Nh4
1920s 8 62% 38%
1930s 15 67% 33%
1940s 10 60% 40%
1950s 21 33% 62% 5%
1960s 31 77% 19% 3%
1970s 52 71% 27% 2%
1980s 100 68% 31% 1%
1990s 316 67% 30% 2%
2000s 430 61% 37% 2%
2010s 471 64% 35% 0% 0%
2020s 75 60% 36% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 64% 60% ▼ -4.3%
6.Bb2 35% 36% ▲ +1.2%
6.d3 0% 3% ▲ +2.2%
6.Nh4 0% 1% ▲ +1.1%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 4 parties
Tal, Mikhail — 3 parties
Euwe, Max — 2 parties
Botvinnik, Mikhail — 2 parties
Ju, Wenjun — 2 parties
Karpov, Aleksandr — 1 partie
Karpov, Anatoly — 1 partie
Parties historiques
6.O-O — 64.2% (982 parties)
1924 — Reti, Richard vs Villegas, Benito — 1-0 — Buenos Aires ARG
1924 — Romanovsky, Pjotr vs Rabinovich, Alexander — 1-0 — Moskou ch-URS
1925 — Gruber, Theodor vs Wolf, Siegfried — 1-0 — Vienna AUT
1928 — Lokvenc, Josef vs Marin y Llovet, Valentin — 1/2-1/2 — The Hague NED
1929 — Kevitz, Alexander vs Fox, Mark — 0-1 — Bradley Beach
6.Bb2 — 34.0% (520 parties)
1927 — Mitchell, Graham Russell vs Herrick, James A — 1-0 — City of London CC
1927 — Gruber, Theodor vs Soler, Placido — 1/2-1/2 — London ENG
1927 — Lokvenc, Joseph vs Zimmermann, Wim — 0-1 — London ENG
1931 — Flohr, Salo vs Thelen, Bedrich — 0-1 — Prague CZE
1931 — Euwe, Max vs Wertheim, Johan Hendrik — 1-0 — Rotterdam NED
6.d3 — 1.4% (21 parties)
1963 — Etruk, Rein T vs Nei, Iivo — 0-1 — Estonia
1975 — Van Riemsdijk, Herman C. vs Garcia Toledo, Pedro — 1/2-1/2 — Fortaleza BRA
1987 — Streshinsky, L vs Tolmachev, Aleksander — 0-1 — ?
1997 — Schloetterer, Hermann vs Erler, Klaus-Juergen — 1/2-1/2 — Heroldsbach
1998 — Siebrecht, Sebastian vs Gikas, Andreas Basilius — 1/2-1/2 — Muenster GER
6.Nh4 — 0.2% (3 parties)
1958 — Breustedt, Werner vs Kunz, Horst — 1/2-1/2 — GDR-ch Schkopau GER
2015 — Djeno, Drago vs Bjelicic, Jan — 1-0 — Croatia
2024 — Olarte, Stefan vs Betrisey, Claude — 1-0 — Biel SUI