C90c - 9.a3 - Closed, Suetin Variation (1964)

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C90c — Closed, Suetin Variation (1964)
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.a3
Les coups candidats
9…Na5 — 37.3% (104 parties)
Ambassadeurs : Loskutov, Oleg (8x), Suetin, Alexey S (6x), ? (6x), Nijboer, Friso (4x), Shilov, Sergej (3x), Galdunts, Sergey (3x), German, Eugenio (2x), Sikora-Gizynska, Bozena (2x)
9…Be6 — 14.3% (40 parties)
Ambassadeurs : Suetin, Alexey S (6x), ? (3x), Keres, Paul (2x), Sanakoev, Grigory Konstant'ch (2x), Nijboer, Friso (2x), Azaric, Slavko (2x), Maric, Rudolf (1x), Matanovic, Anto (1x)
9…h6 — 9.7% (27 parties)
Ambassadeurs : Suetin, Alexey S (7x), Bronstein, David I (2x), Ivkov, Borislav (2x), Geller, Efim P. (2x), Muhutdinov, Marat (2x), Andrason, Karl Oddur (2x), Grischuk, Alexander (2x), Nielsen, Jorgen Lovgren (1x)
9…Nb8 — 8.2% (23 parties)
Ambassadeurs : Cobb, James (2x), Loskutov, Oleg (2x), Gheorghiu, Florin (1x), Padevsky, Nikola (1x), Psakhis, Lev (1x), Uusi, Gunnar (1x), Benjamin, Joel (1x), Rapaka Samuel Paul (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9…Na5 9…Be6 9…h6 9…Nb8
<1800 10 80% 10% — —
1800-2200 52 33% 12% 13% 6%
2200-2600 141 37% 11% 9% 13%
2600+ 19 26% 37% 11% 5%
Évolution par décennie (% des parties)
Décennie N parties 9…Na5 9…Be6 9…h6 9…Nb8
1960s 28 25% 25% 18% 4%
1970s 15 20% 27% 7% —
1980s 34 35% 9% 12% 6%
1990s 51 35% 10% 12% 6%
2000s 80 41% 16% 9% 10%
2010s 65 43% 12% 6% 14%
2020s 6 50% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9…Na5 43% 50% ▲ +6.9%
9…Be6 12% 0% ▼ -12.3%
9…h6 6% 0% ▼ -6.2%
9…Nb8 14% 0% ▼ -13.8%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 3 parties
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Parties historiques
9…Na5 — 37.3% (104 parties)
1965 — ? vs Gligoric, Sofija — 1-0 — Titograd
1965 — Suetin, Alexey S vs Lengyel, Levente — 1-0 — Sarajevo BIH
1966 — ? vs Milic, Borislav — 1/2-1/2 — Belgrade SRB
1967 — Tikhomirov, Leonard vs Manteifel, Georgy — 1/2-1/2 — ?
1968 — German, Eugenio vs Clarke, Peter — 1/2-1/2 — Lugano olm
9…Be6 — 14.3% (40 parties)
1965 — Suetin, Alexey S vs Keres, Paul — 0-1 — URS-ch Tallinn
1965 — Suetin, Alexey S vs Keres, Paul — 0-1 — Tallinn ch-URS
1965 — Suetin, Alexey S vs Stein, Leonid — 1/2-1/2 — Tallinn ch-URS
1966 — Maric, Rudolf vs ? — 1/2-1/2 — Sombor
1968 — ? vs Matanovic, Anto — 1/2-1/2 — Skopje MKD
9…h6 — 9.7% (27 parties)
1965 — Suetin, Alexey S vs Nielsen, Jorgen Lovgren — 1-0 — Copenhagen DEN
1965 — Suetin, Alexey S vs Nielsen, Jorgen G. — 1-0 — It, Copenhagen DEN
1968 — Bronstein, David I vs Ivkov, Borislav — 1/2-1/2 — Sochi RUS
1968 — Bronstein, David I vs Ivkov, Borislav — 1/2-1/2 — Sochi RUS
1968 — Ciocaltea, Victor vs Dunkelblum, Arthur — 1-0 — Wijk aan Zee II
9…Nb8 — 8.2% (23 parties)
1964 — Gheorghiu, Florin vs Padevsky, Nikola — 1/2-1/2 — Tel Aviv ISR
1980 — Psakhis, Lev vs Uusi, Gunnar — 1-0 — Krasnojarsk
1981 — Benjamin, Joel vs Rapaka Samuel Paul — 0-1 — South Bend ch-USA - zt
1992 — Jonsson, Mikael vs Ornstein, Axel — 1/2-1/2 — Borlange SWE
1994 — Savko, Alexei vs Krivonosov, Oleg — 1/2-1/2 — Latvia ch