B59n - 7…Be7 8.O-O O-O 9.Be3 a5 - Boleslavsky (1949)

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B59n — Boleslavsky
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 a5
Eval: [+0.06]
Les coups candidats
Ambassadeurs : Rusev, Krasimir (8x), Madl, Ildiko (6x), Grosar, Kiti (5x), Martin Del Campo Cardenas, Roberto Abel (4x), Wagner-Michel, Annett (3x), Sulek, Viliam (3x), Biliskov, Vjekoslav (3x), Pergel, Laszlo (3x)
10.Nd2 — 15.0% (162 parties)
Ambassadeurs : Unzicker, Wolfgang (3x), Berczes, Csaba (3x), Pilnik, Herman (2x), Mladenovic, Jakov (2x), Seres, Lajos (2x), Bensdorp, Laura (2x), Nijboer, Friso (2x), Seleljo, Daniel (2x)
10.a3 — 10.3% (112 parties)
Ambassadeurs : Golovey, Tamara O (2x), Lavin, David (2x), Guimaraes, Claudio (2x), Fernando, Diogo (2x), Andrijevic, Milan (2x), Mertens, Paul (1x), Kasanen, Juha (1x), Bakali Ahmed (1x)
10.f3 — 8.9% (96 parties)
Ambassadeurs : Janosevic, Dragoljub (4x), Andrijevic, Milan (3x), Busek, Hans (1x), Sajtar, Jaroslav (1x), Tot, Bora (1x), Sofrevski, Jovan (1x), Cherepkov, Alexander V (1x), Vladimirov, Boris T (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.a4 10.Nd2 10.a3 10.f3
<1800 22 59% 18% — 9%
1800-2200 433 52% 10% 12% 10%
2200-2600 381 49% 21% 9% 8%
2600+ 2 50% 50% — —
Évolution par décennie (% des parties)
Décennie N parties 10.a4 10.Nd2 10.a3 10.f3
1940s 6 17% — — 33%
1950s 28 25% 29% 7% 14%
1960s 30 30% 10% 37% 3%
1970s 44 45% 9% 14% 11%
1980s 78 46% 26% 8% 5%
1990s 221 53% 15% 11% 7%
2000s 327 55% 14% 9% 9%
2010s 306 50% 13% 11% 10%
2020s 43 47% 19% — 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.a4 50% 47% ▼ -3.2%
10.Nd2 13% 19% ▲ +5.2%
10.a3 11% 0% ▼ -10.8%
10.f3 10% 9% ▼ -0.8%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Parties historiques
10.a4 — 50.2% (544 parties)
1949 — Kaliwoda, Kurt vs Rabar, Braslav — 0-1 — Vienna AUT
1951 — Nedeljkovic, Srecko M vs Milic, Borislav — 1-0 — Sarajevo BIH
1952 — Kirchhammer, Rudolf vs Platz, Hans — 0-1 — Binz GER
1952 — Aleman Dovo, Miguel vs Gligorić, Svetozar — 0-1 — Havana CUB
1953 — Belkadi, Ridha vs Raizman, Maurice — 1-0 — Paris FRA
10.Nd2 — 15.0% (162 parties)
1952 — Pilnik, Herman vs Kottnauer, Cenek — 1/2-1/2 — Budapest HUN
1952 — Janosevic, Dragoljub vs Fuderer, Andrija — 0-1 — Belgrade SRB
1953 — Matanovic, Aleksandar vs Unzicker, Wolfgang — 1/2-1/2 — Opatija
1954 — Bisguier, Arthur B vs Rossolimo, Nicolas — 1/2-1/2 — Los Angeles, CA USA
1954 — Unzicker, Wolfgang vs Lehmann, Karl-Heinz — 1/2-1/2 — Munich zt Munich GER
10.a3 — 10.3% (112 parties)
1950 — Aitken, James vs Barden, Leonard — 0-1 — Oxford?
1957 — Mangini, Jose Henrique de Mello vs Panno, Oscar — 0-1 — Mar del Plata ARG
1960 — Enevoldsen, Jens vs Holm, Sejer — 1/2-1/2 — Copenhagen DEN
1960 — Dimitrov, Krastjo vs Minev, Nikolay N — 1/2-1/2 — Sofia ch BUL
1961 — Milev, Angel vs Milev, Zdravko — 1/2-1/2 — Sofia BUL
10.f3 — 8.9% (96 parties)
1949 — Busek, Hans vs Sajtar, Jaroslav — 0-1 — AUT-CSR Vienna AUT
1949 — Tot, Bora vs Janosevic, Dragoljub — 0-1 — Zagreb CRO
1951 — Janosevic, Dragoljub vs Bajec, Ivo — 1/2-1/2 — Sarajevo BIH
1955 — Cherepkov, Alexander V vs Vladimirov, Boris T — 0-1 — Moscow RUS
1958 — Lombardy, William J vs Panno, Oscar — 1/2-1/2 — Mar del Plata ARG