B59m - 7…Be7 8.O-O O-O 9.Be3 Be6 10.Bf3 - Boleslavsky [-0.15]

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B59m — 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 Be6 10.Bf3
Eval: [-0.15]
Les coups candidats
10…a5 — 51.1% (160 parties)
Ambassadeurs : Pilnik, Herman (8x), Ljubojevic, Ljubomir (3x), Paoli, Enrico (3x), Djurasevic, Branislav (2x), Petrosian, Tigran V. (2x), Benko, Pal (2x), Geller, Efim P. (2x), Tal, Mikhail (2x)
10…Na5 — 25.6% (80 parties)
Ambassadeurs : Pilnik, Herman (6x), Janosevic, Dragoljub (3x), Unzicker, Wolfgang (2x), Simo, Judit (2x), Patt Rubinstein, J. (1x), Rossetto, Hector (1x), Bonch-Osmolovsky, Mikhail (1x), Chistiakov, Alexander (1x)
10…a6 — 7.3% (23 parties)
Ambassadeurs : Ljubojevic, Ljubomir (1x), Ivanov, Igor V. (1x), Roeder, Phillip (1x), Gottschalk, Jens (1x), Martin Manzano, Antonio (1x), Garcia Albarracin, Jose Antonio (1x), Kalkhof, Sandra (1x), Thimm, Thomas (1x)
10…Ne8 — 3.5% (11 parties)
Ambassadeurs : Stumpers, Louis (1x), Spanjaard, Eduard (1x), Sanguinetti, Raul (1x), Scanavino, Eduardo (1x), Neubert, Gerhard (1x), Garms, Ilse (1x), Prochazka, Jiri (1x), Micanek, Tomas (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10…a5 10…Na5 10…a6 10…Ne8
<1800 9 33% 11% 11% 22%
1800-2200 93 54% 18% 11% 4%
2200-2600 97 58% 23% 5% 3%
Évolution par décennie (% des parties)
Décennie N parties 10…a5 10…Na5 10…a6 10…Ne8
1940s 2 — 100% — —
1950s 36 56% 36% — 3%
1960s 12 58% 33% — 8%
1970s 11 55% 36% — —
1980s 29 45% 38% 3% —
1990s 69 42% 28% 10% 6%
2000s 64 48% 20% 11% 5%
2010s 71 52% 18% 11% 3%
2020s 19 89% 5% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10…a5 52% 89% ▲ +37.4%
10…Na5 18% 5% ▼ -13.0%
10…a6 11% 0% ▼ -11.3%
10…Ne8 3% 0% ▼ -2.8%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 2 parties
Tal, Mikhail — 2 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Parties historiques
10…a5 — 51.1% (160 parties)
1950 — Liepins, Janis vs Tal, Mikhail — 0-1 — Riga LAT
1950 — Liepin vs Tal, Mikhail — 0-1 — Riga LAT
1951 — Heidenfeld, Wolfgang vs Benko, Pal — 1/2-1/2 — Marianske Lazne zt
1951 — Kostic, Boris vs Kozomara, Vlado — 1/2-1/2 — Ljubljana ch YUG
1952 — Pilnik, Herman vs Nedeljkovic, Alexsandar — 1/2-1/2 — Belgrade SRB
10…Na5 — 25.6% (80 parties)
1948 — Patt Rubinstein, J. vs Rossetto, Hector — 0-1 — Santa Fe
1949 — Bonch-Osmolovsky, Mikhail vs Chistiakov, Alexander — 1/2-1/2 — Moscow RUS
1952 — Unzicker, Wolfgang vs Pachman, Ludek — 1/2-1/2 — Saltsjobaden SWE
1952 — Pilnik, Herman vs Taimanov, Mark — 1/2-1/2 — Saltsjobaden SWE
1953 — Pilnik, Herman vs Gligorić, Svetozar — 1/2-1/2 — Mar del Plata ARG
10…a6 — 7.3% (23 parties)
1984 — Ljubojevic, Ljubomir vs Ivanov, Igor V. — 1/2-1/2 — Quebec CAN
1993 — Martin Manzano, Antonio vs Garcia Albarracin, Jose Antonio — 1-0 — Asturias
1995 — Bromberger, Stefan vs Senff, Martin — 1-0 — Binz GER
1995 — Hornych, Christoph, Dr. vs Schneider, Hanne — 0-1 — German Ych-U15
1996 — Kalkhof, Sandra vs Thimm, Thomas — 0-1 — Kassel
10…Ne8 — 3.5% (11 parties)
1950 — Stumpers, Louis vs Spanjaard, Eduard — 1-0 — Amsterdam ch-NED
1965 — Sanguinetti, Raul vs Scanavino, Eduardo — 1/2-1/2 — Buenos Aires ARG
1996 — Langrock, Hannes vs Fliter, Irena — 1/2-1/2 — Pinneberg
1997 — Prochazka, Jiri vs Micanek, Tomas — 1/2-1/2 — Moravia
1998 — Enrique, Veronica vs Prior, Marciane — 0-1 — Pan American