D86m - 9…b6 - Classical Exchange, Simagin Improved (1952)

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D86m — Classical Exchange, Simagin Improved (1952)
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 Nc6 9.O-O b6
Les coups candidats
10.Be3 — 60.1% (316 parties)
Ambassadeurs : Uhlmann, Wolfgang (10x), Gburek, Juergen (5x), Hartston, William R (4x), Genchev, Maksim (4x), Van Leeuwen, Etienne (3x), Kozma, Julius (2x), Liebert, Heinz (2x), Pachman, Ludek (2x)
10.Bg5 — 25.1% (132 parties)
Ambassadeurs : Gligoric, Sofija (3x), Uhlmann, Wolfgang (3x), Gulko, Boris (3x), Hadi, Adrian (3x), Jussupow, Artur (3x), Tukmakov, Vladimir B (2x), Olafsson, Helgi (2x), Ostenstad, Berge (2x)
10.f4 — 4.2% (22 parties)
Ambassadeurs : Ledger, Andrew J (2x), Giterman, Shlomo (1x), Tukmakov, Vladimir B (1x), Kouatly, Bachar (1x), Rayner, Emmanuel (1x), Shelley, Peter J (1x), Jamieson, SR. (1x), Knochel, Torben (1x)
10.Bd3 — 3.2% (17 parties)
Ambassadeurs : Wilder, Michael (2x), Ftacnik, Lubomir (2x), Tazelaar, H J A (2x), Pastukhov, Igor (2x), Hort, Vlastimil (1x), Sokolov, Ivan (1x), Gulko, Boris (1x), Goldenberg, Richard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Be3 10.Bg5 10.f4 10.Bd3
<1800 14 71% 14% — —
1800-2200 137 66% 18% 7% 3%
2200-2600 237 52% 33% 3% 5%
2600+ 9 33% 56% — —
Évolution par décennie (% des parties)
Décennie N parties 10.Be3 10.Bg5 10.f4 10.Bd3
1950s 11 91% — — —
1960s 31 81% 10% 3% —
1970s 79 65% 22% 8% —
1980s 62 55% 34% — 6%
1990s 125 48% 34% 2% 5%
2000s 110 63% 22% 6% 2%
2010s 90 63% 20% 6% 6%
2020s 18 56% 33% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Be3 63% 56% ▼ -7.8%
10.Bg5 20% 33% ▲ +13.3%
10.f4 6% 0% ▼ -5.6%
10.Bd3 6% 0% ▼ -5.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
10.Be3 — 60.1% (316 parties)
1952 — Pedersen, Eigil vs Platz, Hans — 1-0 — Helsinki olm
1952 — Bobotsov, Milko G vs Filchev, Rusko — 1/2-1/2 — Sofia BUL
1952 — Sanchez Alpizar, Luis Alberto vs Pachman, Ludek — 1/2-1/2 — Saltsjobaden SWE
1952 — Gadalinski, Jan vs Sowinski, Jerzy — 0-1 — Katowice POL
1955 — Kozma, Julius vs Sajtar, Jaroslav — 1/2-1/2 — Prague tm Prague CZE
10.Bg5 — 25.1% (132 parties)
1962 — Gligoric, Sofija vs Uhlmann, Wolfgang — 1/2-1/2 — Stockholm izt
1968 — Persitz, Raaphi vs Tukmakov, Vladimir B — 0-1 — Hastings ENG
1969 — Gligoric, Sofija vs Uhlmann, Wolfgang — 1/2-1/2 — Sarajevo BIH
1971 — Donner, Jan-Hein vs Heaton, Robert J — 1/2-1/2 — Leeuwarden ch-NED
1972 — Petrosian, Tigran V. vs Uhlmann, Wolfgang — 1/2-1/2 — Moscow RUS
10.f4 — 4.2% (22 parties)
1968 — Giterman, Shlomo vs Tukmakov, Vladimir B — 0-1 — Riga LAT
1971 — Shelley, Peter J vs Jamieson, SR. — 1-0 — London ENG
1973 — Knochel, Torben vs Melrose, Gregory — 0-1 — Teesside ENG
1975 — Kouatly, Bachar vs Rayner, Emmanuel — 1/2-1/2 — Tjentiste
1975 — Atkinson, B. vs De Coverly, Roger D — 1-0 — Slough Champ
10.Bd3 — 3.2% (17 parties)
1988 — Wilder, Michael vs Gulko, Boris — 0-1 — Verenigde Staten ch-USA
1989 — Wilder, Michael vs Hort, Vlastimil — 1/2-1/2 — Lugano open
1989 — Ftacnik, Lubomir vs Sokolov, Ivan — 1/2-1/2 — Haifa etc
1989 — Goldenberg, Richard vs Mohrlok, Dieter — 1-0 — Bergraser Memorial-GM
1990 — Maksimovic, Branimir vs Zganec, Albin — 1-0 — Pula CRO