D57g - 9…Nxc3 10.bxc3 exd5 11.Qb3 Rd8 - Lasker Defence Main Line

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D57g — Lasker Defence Main Line
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8.Bxe7 Qxe7 9.cxd5 Nxc3 10.bxc3 exd5 11.Qb3 Rd8
Les coups candidats
12.c4 — 71.1% (300 parties)
Ambassadeurs : Marciano, David (5x), Nikolic, Predrag (4x), Letelier Martner, Rene (3x), Guimard, Carlos E (3x), Abad Martinez, Diego (2x), Vidmar Milan (2x), Stahlberg, Gideon (2x), Neikirkh, Oleg (2x)
12.Be2 — 12.8% (54 parties)
Ambassadeurs : Pyda, Zbigniew (2x), Raud, Ilmar (1x), Porath, Yosef (1x), Nyren, Bo (1x), Harris, Peter A (1x), Ragozin, Viacheslav (1x), Ravinsky, Grigory (1x), Panno, Oscar (1x)
12.Bd3 — 12.3% (52 parties)
Ambassadeurs : Halldorsson, Bragi (2x), Smith, Andrew Philip (1x), Russell, Robert Jordan (1x), Roos, Michel (1x), Noradounghian, Georges (1x), Arnason, Arni A. (1x), Arnason, Jakob (1x), Holtz, Ernesto Eugenio (1x)
12.a4 — 2.6% (11 parties)
Ambassadeurs : Laznicka, Viktor (2x), Gunina, Valentina (2x), Ivanov, Igor V. (1x), Duchesne, Guy (1x), Anand, Viswanathan (1x), Ikonnikov, Vyacheslav (1x), Hoegy, Kevin (1x), Cvek, Robert (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12.c4 12.Be2 12.Bd3 12.a4
<1800 8 50% — 38% —
1800-2200 102 62% 18% 20% —
2200-2600 152 66% 18% 9% 5%
2600+ 15 67% 13% 7% 13%
Évolution par décennie (% des parties)
Décennie N parties 12.c4 12.Be2 12.Bd3 12.a4
1930s 5 80% 20% — —
1940s 19 100% — — —
1950s 26 85% 12% 4% —
1960s 11 91% — — —
1970s 18 83% — 17% —
1980s 37 68% 14% 16% 3%
1990s 91 81% 10% 7% —
2000s 94 68% 15% 16% —
2010s 109 54% 19% 17% 8%
2020s 12 67% 8% 17% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12.c4 54% 67% ▲ +12.5%
12.Be2 19% 8% ▼ -10.9%
12.Bd3 17% 17% ▼ -0.8%
12.a4 8% 8% +0.1%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 2 parties
Anand, Viswanathan — 2 parties
Parties historiques
12.c4 — 71.1% (300 parties)
1938 — Vidmar Milan vs Vidmar Milan — 1/2-1/2 — Ljubljana
1939 — Eliskases, Erich vs Vidmar, Marjeta — 1/2-1/2 — Stuttgart GER
1939 — Staahlberg, Gideon vs Piazzini, Luis Roberto — 1-0 — Buenos Aires ARG
1939 — Vinuesa, Juan vs Cristia, Jose Maria — 0-1 — Rosario ARG
1940 — De Souza Mendes, Joao vs Caetano Netto, Joaquim Gentil — 1/2-1/2 — Rio de Janeiro BRA
12.Be2 — 12.8% (54 parties)
1939 — Raud, Ilmar vs Porath, Yosef — 0-1 — Buenos Aires ol pr-D
1951 — Nyren, Bo vs Harris, Peter A — 1-0 — Birmingham/Coventry
1952 — Ragozin, Viacheslav vs Ravinsky, Grigory — 1/2-1/2 — Riga LAT
1955 — Panno, Oscar vs Letelier Martner, Rene — 1-0 — Mar del Plata ARG
1981 — Lombardy, William J vs Benko, Pal — 1/2-1/2 — Lone Pine open
12.Bd3 — 12.3% (52 parties)
1951 — Smith, Andrew Philip vs Russell, Robert Jordan — 1-0 — Sacramento
1973 — Holtz, Ernesto Eugenio vs Borque Ruiz, Oscar — 0-1 — CADAP I-F-72 APA.IV.23/2*
1977 — Roos, Michel vs Noradounghian, Georges — 1/2-1/2 — Le Touquet
1977 — Chaos Fraiz, Jose Manuel vs Blitz, Max — 1-0 — Seattle, WA USA
1980 — Burnett, Jim vs Houston, David — 1-0 — Brighton ch-BCF
12.a4 — 2.6% (11 parties)
1980 — Ivanov, Igor V. vs Duchesne, Guy — 1-0 — Montreal CAN
2011 — Ikonnikov, Vyacheslav vs Hoegy, Kevin — 1-0 — Leinzell GER
2014 — Laznicka, Viktor vs Anand, Viswanathan — 1/2-1/2 — Dubai UAE
2015 — Cvek, Robert vs Caletka, Radomir — 1/2-1/2 — Czech Republic CZE
2015 — Gunina, Valentina vs Kriebel, Tadeas — 1/2-1/2 — Novy Bor CZE