A99i - 9.Bb2 - Ilyin-Zhenevsky (1955)

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A99i — Ilyin-Zhenevsky (1955)
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b3 a5 9.Bb2
Les coups candidats
Ambassadeurs : Arnold, Robert G (15x), Lechtynsky, Jiri (6x), Moser, Emily (5x), Zhurina, Elizaveta (4x), Dueckstein, Andreas (3x), Hiermann, Dietmar (3x), Savitskaya, Ekaterina P. (3x), Seiler, Andreas (3x)
Ambassadeurs : Naumkin, Igor (22x), Poluljahov, Aleksandr (3x), Langier, Daniel (3x), Pirrot, Dieter (3x), Maric, Rudolf (2x), Seidemann, Ulricke (2x), Just, Gabriele, Dr. (2x), Abhishek Mari S (2x)
Ambassadeurs : Spice, Alan (8x), David Avril R (5x), Winge, Stefan (3x), Abhishek Mari S (2x), Bakheet Farag (2x), Pytel, Krzysztof (2x), Yee, Karl (2x), Sowray, Peter J (2x)
9…Bd8 — 4.1% (26 parties)
Ambassadeurs : Shtyrenkov, Veniamen (5x), Rogovskoy, Alexander (2x), Dolezal, Jiri (1x), Jezek, Jaroslav (1x), Esposito, Alfredo (1x), Behrensen, Jorge (1x), Cvetkovic, Srdjan (1x), Hausner, Ivan (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Na6 9…Qh5 9…c6 9…Bd8
<1800 25 40% 40% 12% 4%
1800-2200 203 43% 34% 10% 4%
2200-2600 278 41% 33% 14% 5%
2600+ 1 — 100% — —
Évolution par décennie (% des parties)
Décennie N parties 9…Na6 9…Qh5 9…c6 9…Bd8
1950s 19 53% 21% — 11%
1960s 21 43% 14% 19% —
1970s 39 49% 26% 18% 3%
1980s 74 39% 20% 30% 5%
1990s 179 50% 26% 12% 3%
2000s 167 55% 28% 10% 3%
2010s 109 34% 44% 6% 7%
2020s 30 7% 70% 10% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Na6 34% 7% ▼ -27.3%
9…Qh5 44% 70% ▲ +26.0%
9…c6 6% 10% ▲ +4.5%
9…Bd8 7% 0% ▼ -7.3%
Parties historiques
9…Na6 — 45.1% (288 parties)
1950 — Kottnauer, Cenek vs Simagin, Vladimir — 1-0 — Schiavno Zdroj
1951 — Flohr, Salo vs Sokolsky, Alexey — 1/2-1/2 — Lvov UKR
1951 — Nedeljkovic, Srecko M vs Bahro, Tom — 1-0 — Sarajevo BIH
1952 — Jost, Felix vs Bhend, Edwin — 0-1 — Helsinki olm
1955 — Larsen, Bent Ravn vs Olafsson, Fridrik — 0-1 — Oslo NOR
9…Qh5 — 30.3% (193 parties)
1950 — Miguel, Nahuel vs Ivkov, Borislav — 1-0 — Bled SLO
1955 — Nogovitsyn, Arkady I vs Kholmov, Ratmir D — 0-1 — Kiev UKR
1956 — Nedeljkovic, Srecko M vs Maric, Rudolf — 0-1 — ?
1959 — Darga, Klaus vs Radojcic, Miroslav — 1-0 — Hastings ENG
1961 — Loftsson, Julius H vs Gross, Henry — 0-1 — San Francisco, Ca
9…c6 — 12.4% (79 parties)
1960 — Rejfir, Josef vs Hort, Vlastimil — 1/2-1/2 — Ostrava CZE
1967 — Vukic, Milan vs Bakheet Farag — 1/2-1/2 — Harrachov
1967 — Kerius, N. vs Bakheet Farag — 0-1 — Harrachov
1968 — Gligorić, Svetozar vs Abhishek Mari S — 1-0 — Skopje MKD
1971 — Williams, A. Howard vs Bellin, Robert — 1-0 — Cambridge
9…Bd8 — 4.1% (26 parties)
1955 — Dolezal, Jiri vs Jezek, Jaroslav — 1/2-1/2 — Prague CZE
1957 — Esposito, Alfredo vs Behrensen, Jorge — 1-0 — Mar del Plata ARG
1979 — Cvetkovic, Srdjan vs Hausner, Ivan — 1/2-1/2 — Prague CZE
1982 — Wojtkiewicz, Aleksander vs Moskovic, Mateo — 0-1 — Riga LAT
1984 — Seils, Gudula vs Just, Gabriele, Dr. — 1-0 — Eilenburg