D47a - 7…b5 - Meran

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D47a — Meran
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5
Les coups candidats
Ambassadeurs : Weber, Karlheinz (101x), Sveshnikov, Evgeny (63x), Dreev, Aleksey (58x), Korneev, Oleg (46x), Gelfand, Boris (44x), Kaidanov, Gregory (42x), Ribli, Zoltan (37x), Anand, Viswanathan (36x)
Ambassadeurs : Aleksandrov, Aleksej (24x), Aleksandrov, Viktor A. (19x), Nilssen, John Arni (17x), Tunik, Gennady (15x), Volkov, Sergey (15x), Zsinka, Laszlo (14x), Hedman, Erik (14x), Flear, Glenn C (13x)
Ambassadeurs : Stempin, Pawel (6x), Dorfman, Iossif (5x), Kekelidze, Mikheil (5x), Pomar Salamanca, Arturo (4x), Korchnoi, Viktor (4x), Kluger, Gyula (4x), Larsen, Bent Ravn (4x), Nakhbayeva, Guliskhan (4x)
8.O-O — 0.0% (4 parties)
Ambassadeurs : Castrovillari, Antonio (1x), Ansel, Zwaneveld (1x), Laurent, Claude (1x), Podvoysky, Evgeny Borisovich (1x), Anderson, Len (1x), Cantilo-Paz, Anibal Jesus (1x), Rohde, Friedhelm (1x), Kratochvíl, Václav (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.Bd3 8.Be2 8.Bb3 8.O-O
<1800 1582 86% 9% 5% 0%
1800-2200 10440 86% 10% 4% —
2200-2600 11149 83% 14% 3% 0%
2600+ 821 90% 8% 2% —
Évolution par décennie (% des parties)
Décennie N parties 8.Bd3 8.Be2 8.Bb3 8.O-O
1950s 301 86% 6% 8% —
1960s 320 88% 3% 9% —
1970s 496 90% 4% 6% —
1980s 1192 86% 8% 6% —
1990s 3867 81% 15% 4% —
2000s 9206 88% 9% 3% 0%
2010s 10179 85% 12% 3% 0%
2020s 2029 84% 11% 5% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Bd3 85% 84% ▼ -1.0%
8.Be2 12% 11% ▼ -0.8%
8.Bb3 3% 5% ▲ +1.7%
8.O-O 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 7 parties
Gukesh D — 3 parties
Ju, Wenjun — 2 parties
Hou, Yifan — 1 partie
Parties historiques
8.Bd3 — 85.3% (23529 parties)
1950 — Taimanov, Mark vs Foltys, Jan — 1/2-1/2 — Schiavno Zdroj
1950 — Puc, Stojan vs Nilsson, Zandor — 1-0 — YUG-Sweden
1950 — Castillo Bermudez, Manuel vs Wade, Robert G — 0-1 — Venice ITA
1950 — Roehrich, E vs Schmid, Lothar — 1-0 — FRG-ch01 corr5052
1950 — Viaud, Adolphe vs ADAM ELAMAIREH — 1/2-1/2 — corr Wch1
8.Be2 — 11.1% (3069 parties)
1950 — Bondarevsky, Igor vs Kopilov, Nikolay Georgiyevich — 1/2-1/2 — Leningrad RUS
1950 — Letelier Martner, Rene vs Wade, Robert G — 0-1 — Venice ITA
1950 — Kan, Ilya A vs Zagorovsky, Vladimir — 0-1 — Gorky
1950 — Bahro, Tom vs Ciric, Dragoljub M — 1-0 — Ljubljana
1951 — Purdy, Cecil J S vs Baay, Jacob — 1-0 — Brisbane AUS
8.Bb3 — 3.6% (981 parties)
1950 — Mengarini, Ariel vs Miller, George — 1-0 — Detroit US op
1951 — Bertok, Mario Jr. vs Rabar, Braslav — 1/2-1/2 — Ljubljana
1951 — Ania Nahid Rosales Espinoza vs Ader Hausman, Walter — 1-0 — Santiago de Chile
1952 — Geller, Efim P. vs Pilnik, Herman — 1-0 — Budapest HUN
1952 — Gligoric, Sofija vs Book, Eero — 1/2-1/2 — Helsinki olm
8.O-O — 0.0% (4 parties)
2006 — Castrovillari, Antonio vs Ansel, Zwaneveld — 1/2-1/2 — ?
2007 — Laurent, Claude vs Podvoysky, Evgeny Borisovich — 0-1 — ICCF
2014 — Anderson, Len vs Cantilo-Paz, Anibal Jesus — 0-1 — ICCF
2020 — Rohde, Friedhelm vs Kratochvíl, Václav — 0-1 — ICCF