E25e - 8…f5 - Saemisch, Keres, Romanovsky Variation (1952)

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E25e — Saemisch, Keres, Romanovsky Variation (1952)
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.f3 d5 7.cxd5 Nxd5 8.dxc5 f5
Les coups candidats
9.Nh3 — 48.6% (488 parties)
Ambassadeurs : Ambasa Ingrio (5x), Löffler, Werner (5x), Daus, Peter (4x), Cebalo, Miso (4x), Volkov, Sergey (4x), Bars, Joachim (4x), Wosch, Arkadiusz (4x), Arabia, Laurence (3x)
9.Qc2 — 24.3% (244 parties)
Ambassadeurs : Portisch, Lajos (5x), Zilberberg, Alik (4x), Tinture, Laurent (4x), Laghetti, Gaetano (4x), Hadi, Adrian (3x), Donner, Jan-Hein (3x), Carmon, Hod (3x), Legemaat, Gert (3x)
Ambassadeurs : Schmidt, Peter (3x), Zilberberg, Alik (3x), Yakovich, Yuri (3x), Naumkin, Igor (3x), Simantsev, Mikhail (3x), Hamann, Svend (2x), Holm, Sejer (2x), Vladimirov, Boris T (2x)
9.c4 — 9.9% (99 parties)
Ambassadeurs : Wostyn, Rik H. (2x), Gerusel, Mathias (2x), Bonne, Marck (2x), Neishtadt, Yakov (2x), Szabo, Laszlo (2x), Kasanen, Juha (2x), Nordstrom, Felix (2x), Pyhala, Antti (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Nh3 9.Qc2 9.e4 9.c4
<1800 27 63% 19% 11% 4%
1800-2200 310 53% 25% 9% 8%
2200-2600 438 56% 18% 15% 8%
2600+ 18 39% 28% 17% 17%
Évolution par décennie (% des parties)
Décennie N parties 9.Nh3 9.Qc2 9.e4 9.c4
1950s 7 29% — — 71%
1960s 97 7% 43% 29% 21%
1970s 63 22% 46% 16% 16%
1980s 65 35% 18% 32% 14%
1990s 85 32% 20% 35% 9%
2000s 167 49% 24% 11% 9%
2010s 403 61% 22% 8% 6%
2020s 117 74% 12% 6% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Nh3 61% 74% ▲ +13.3%
9.Qc2 22% 12% ▼ -10.4%
9.e4 8% 6% ▼ -1.7%
9.c4 6% 7% ▲ +0.9%
Joueurs célèbres
Champions du monde dans cette position
Ding, Liren — 3 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
9.Nh3 — 48.6% (488 parties)
1958 — Polugaevsky, Lev vs Petrosian, Tigran V. — 1/2-1/2 — Riga ch-URS
1959 — Sanguineti, Raúl Carlos vs Wexler, Bernardo — 1-0 — Buenos Aires ARG
1961 — Bronstein, David I vs Dely, Peter — 1/2-1/2 — Maroczy mem Budapest HUN
1962 — Marovic, Drazen vs Ostojic, Predrag — 1/2-1/2 — Skopje ch17-YUG
1962 — Bukic, Enver vs Sofrevski, Jovan — 1-0 — Vrnjacka Banja SRB
9.Qc2 — 24.3% (244 parties)
1962 — Wade, Robert G vs Ortega, Rogelio — 0-1 — Varna olm
1962 — Portisch, Lajos vs Kluger, Gyula — 1-0 — Budapest HUN
1962 — Silva Nazzari, Roberto vs Ravinet, Jean-Michel — 0-1 — Varna BUL
1962 — Portisch, Lajos vs Dely, Peter — 1-0 — Budapest HUN
1962 — Kottnauer, Cenek vs Noradounghian, Georges — 1-0 — Paris FRA
9.e4 — 14.4% (145 parties)
1960 — Shaposhnikov, Yury vs Vladimirov, Boris T — 1/2-1/2 — Perm RUS
1960 — Shamkovich, Leonid vs Korchnoi, Viktor — 0-1 — Leningrad ch-URS
1960 — Schweber, Samuel vs Eliskases, Erich — 0-1 — Buenos Aires ch-ARG
1961 — Ghitescu, Theodor vs Soos, Bela — 1-0 — Romania
1961 — Vladimirov, Boris vs Lein, Anatoly — 1-0 — Baku ch-URS
9.c4 — 9.9% (99 parties)
1952 — Kuzminykh, Evgeny vs Efimov, Kondrat — 0-1 — Leningrad RUS
1953 — Klavins, Janis vs Tal, Mikhail — 1/2-1/2 — USSR
1954 — Ragozin, Viacheslav vs Sokolsky, Alexey — 1/2-1/2 — Kiev ch-URS
1957 — Szabo, Laszlo vs Teschner, Rudolf — 1-0 — Wageningen zt
1958 — Bondarevsky, Igor vs Furman, Semyon — 1/2-1/2 — Moscow RUS