A26h - 6…Nf6 - Botvinnik System

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A26h — Botvinnik System
1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6
Les coups candidats
Ambassadeurs : Zapata, Alonso (3x), Pogrebissky, Iosif (1x), Alexander, Ken R D (1x), Portisch, Lajos (1x), Wade, Robert G (1x), Wexler, Bernardo (1x), Herrera, Fernando (1x), Eliskases, Erich (1x)
7.h3 — 2.0% (7 parties)
Ambassadeurs : Lengyel, Laszlo (1x), Papai, Janos (1x), Wagner, Stefan (1x), Nickl, Klaus (1x), Osipow, Nikolaj (1x), Sroka, Janusz (1x), Zherebtsova, Alexandra (1x), Sayafarova, Anna (1x)
Ambassadeurs : Townsend, Steven (1x), Miyata, Kazunori (1x), Alvarez, Noisel (1x), Gonzalez Soto, Pedro Jose (1x)
7.f4 — 0.3% (1 parties)
Ambassadeurs : Goerke, Joachim (1x), Richter, Peter (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.Nge2 7.h3 7.Nf3 7.f4
<1800 22 95% — 5% —
1800-2200 172 95% 4% — 1%
2200-2600 120 100% — — —
2600+ 3 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 7.Nge2 7.h3 7.Nf3 7.f4
1950s 2 100% — — —
1960s 4 100% — — —
1970s 3 100% — — —
1980s 11 100% — — —
1990s 60 98% — — 2%
2000s 116 96% 3% 1% —
2010s 127 97% 2% 1% —
2020s 31 97% 3% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.Nge2 97% 97% -0.1%
7.h3 2% 3% ▲ +0.9%
7.Nf3 1% 0% ▼ -0.8%
7.f4 0% 0% +0.0%
Parties historiques
7.Nge2 — 96.9% (343 parties)
1956 — Pogrebissky, Iosif vs Alexander, Ken R D — 1-0 — Kiev UKR
1957 — Vukovic, Sava vs Gereben, Erno — 1/2-1/2 — San Benedetto
1961 — Byrne, David vs Kramer, Gerald — 1/2-1/2 — New York ch-USA
1963 — Wexler, Bernardo vs Herrera, Fernando — 1-0 — Buenos Aires ch-ARG
1964 — Eliskases, Erich vs Rapaka Samuel Paul — 1/2-1/2 — Tel Aviv olm
7.h3 — 2.0% (7 parties)
2002 — Wagner, Stefan vs Nickl, Klaus — 0-1 — Graz AUT
2004 — Lengyel, Laszlo vs Papai, Janos — 1-0 — Ajka
2007 — Osipow, Nikolaj vs Sroka, Janusz — 1-0 — Poland
2013 — Zherebtsova, Alexandra vs Sayafarova, Anna — 1-0 — Moscow RUS
2014 — Frilles, Ruperto vs Doubleday, William G. — 1-0 — Kitchener CAN
7.Nf3 — 0.6% (2 parties)
2009 — Townsend, Steven vs Miyata, Kazunori — 1/2-1/2 — ICCF
2019 — Alvarez, Noisel vs Gonzalez Soto, Pedro Jose — 0-1 — Chorrera
7.f4 — 0.3% (1 parties)
1995 — Goerke, Joachim vs Richter, Peter — 1-0 — Niederrhein