D13r — Exchange (1905)
1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.cxd5 cxd5 5.Nc3 Nc6 6.Bf4 e6 7.e3 Be7
Les coups candidats
8.Bd3 — 57.6% (649 parties)
Ambassadeurs : Barlocco, Carlo (8x), Starck, Bodo (5x), Benko, Pal (4x), Vales, Vaclav (4x), Polugaevsky, Lev (3x), Minev, Nikolay N (3x), Rossi, Giampiero (3x), Ansell, Simon T (3x)
8.h3 — 22.3% (251 parties)
Ambassadeurs : Vodicka, Milan (4x), Smyslov, Vasily (3x), Hort, Vlastimil (3x), Dovzik, Juri (2x), Ferry, Roger (1x), Noradounghian, Georges (1x), Abanin, Vladimir (1x), Weaver, Norris (1x)
8.Rc1 — 5.5% (62 parties)
Ambassadeurs : Dobrotka, Martin (2x), Lipnitsky, Isaac (1x), Vistaneckis, Isakas (1x), Cilia Vincenti, Victor (1x), Laine, Anais (1x), Tjarnemo, Hakan (1x), Anbuhl, Edgar (1x), Gibiec, Arnost (1x)
8.Bb5 — 5.2% (59 parties)
Ambassadeurs : Mega R (3x), Super Forte (3x), Reimann, Daniel (1x), Vaganian, Rafael A (1x), Yuferov, Sergey N (1x), Peterson, Andrejs (1x), Gereben, Erno (1x), Schauwecker, Meinrad (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bd3 8.h3 8.Rc1 8.Bb5
<1800 52 46% 25% 4% 6%
1800-2200 397 58% 18% 7% 6%
2200-2600 485 56% 28% 4% 4%
2600+ 8 50% 38% 12%
Évolution par décennie (% des parties)
Décennie N parties 8.Bd3 8.h3 8.Rc1 8.Bb5
1950s 24 92% 4% 4%
1960s 36 64% 25% 6%
1970s 69 57% 26% 6% 4%
1980s 134 57% 22% 4% 7%
1990s 295 60% 19% 6% 5%
2000s 279 61% 16% 7% 6%
2010s 252 51% 30% 5% 4%
2020s 38 32% 42% 5% 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bd3 51% 32% ▼ -19.6%
8.h3 30% 42% ▲ +12.3%
8.Rc1 5% 5% ▲ +0.5%
8.Bb5 4% 5% ▲ +1.3%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Parties historiques
8.Bd3 — 57.6% (649 parties)
1950 — Gudmundsson, Gudbjartur vs Kottnauer, Cenek — 1/2-1/2 — Amsterdam NED
1950 — Pospisil, Jachym vs Vesely, Jiri — 0-1 — Chocen
1950 — Walther, Edgar vs Geis, Emil — 1/2-1/2 — cr.
1950 — Napolitano, Matteo vs Mitchell, Graham — 1-0 — corr Wch1
1950 — Lipnitsky, Isaac vs Smyslov, Vladimir — 1-0 — USSR
8.h3 — 22.3% (251 parties)
1952 — Letelier Martner, Rene vs Bolbochan, Jacobo — 1/2-1/2 — Mar del Plata ARG
1962 — Kottnauer, Cenek vs Pomar, Humberto — 0-1 — Bern SUI
1963 — Abanin, Vladimir vs Smyslov, Vasily — 1/2-1/2 — Moscow RUS
1963 — Trincardi, Tullio vs Teschner, Rudolf — 1/2-1/2 — Reggio Emilia ITA
1963 — Hamann, Slawomir vs Johannsson, Isak Gunnsteinn — 1-0 — Halle zt
8.Rc1 — 5.5% (62 parties)
1955 — Lipnitsky, Isaac vs Vistaneckis, Isakas — 1/2-1/2 — Voroshilovgrad
1970 — Cilia Vincenti, Victor vs Laine, Anais — 1-0 — Siegen GER
1971 — Dzindzichashvili, Roman vs Vaganian, Rafael A — 0-1 — Leningrad ch-URS
1974 — Berry, Jonathan vs Biyiasas, Peter — 0-1 — Olympia
1976 — Lozano, Tomas R. vs Myers, Hugh — 1-0 — Haifa ISR
8.Bb5 — 5.2% (59 parties)
1968 — Reimann, Daniel vs Vaganian, Rafael A — 0-1 — Riga LAT
1969 — Yuferov, Sergey N vs Peterson, Andrejs — 1-0 — Jurmala LAT
1974 — Hurme, Harri vs Whiteley, Andrew Jonathan — 1/2-1/2 — Nice olm
1977 — Gereben, Erno vs Schauwecker, Meinrad — 1-0 — Bern SMM
1979 — Palsson, Jon Gunnar vs Asmundsson, Ingvar — 0-1 — ISL-ch Reykjavik ISL