E25e - 7…Nxd5 8.dxc5 f5 - Saemisch Keres Romanovsky Variation

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E25e — Saemisch Keres Romanovsky Variation
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 — 48.2% (478 parties)
Ambassadeurs : Ingersol, Harry (7x), Daus, Peter (5x), Löffler, Werner (5x), Cebalo, Miso (4x), Volkov, Sergey (4x), Mende, Ingus (4x), Bars, Joachim (4x), Laurencena, Alberto (3x)
9.Qc2 — 24.7% (245 parties)
Ambassadeurs : Portisch, Lajos (5x), Zilberberg, Alik (4x), Tinture, Laurent (4x), Herzog, Klaus (4x), Hodos, German (3x), Donner, Jan-Hein (3x), Mikenas, Vladas (3x), May, Hans Werner (3x)
Ambassadeurs : Vladimirov, Boris T (4x), Meza Schmidt, Javier Esteban (3x), Zilberberg, Alik (3x), Malaniuk, Vladimir P (3x), Bulthaupt, Freerk, Dr. (3x), Moskalenko, Viktor (3x), Simantsev, Mikhail (3x), Khodos, German (2x)
9.c4 — 9.8% (97 parties)
Ambassadeurs : Wostyn, Rik H. (2x), Gerusel, Mathias (2x), Bonne, Marck (2x), Neishtadt, Yakov (2x), Kasanen, Juha (2x), Nordstrom, Felix (2x), Pyhala, Antti (2x), Moskalenko, Viktor (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 6 50% 17% 17% —
1800-2200 240 52% 27% 7% 9%
2200-2600 483 58% 18% 14% 6%
2600+ 21 48% 24% 14% 14%
Évolution par décennie (% des parties)
Décennie N parties 9.Nh3 9.Qc2 9.e4 9.c4
1950s 7 29% — — 71%
1960s 99 7% 43% 28% 21%
1970s 62 23% 47% 16% 15%
1980s 65 35% 18% 32% 14%
1990s 85 32% 20% 35% 9%
2000s 167 49% 24% 11% 9%
2010s 402 61% 22% 8% 6%
2020s 104 75% 13% 5% 6%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Nh3 61% 75% ▲ +14.1%
9.Qc2 22% 13% ▼ -8.9%
9.e4 8% 5% ▼ -2.9%
9.c4 6% 6% -0.2%
Joueurs célèbres
Champions du monde dans cette position
Ding, Liren — 3 parties
Ju, Wenjun — 2 parties
Tal, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie
Parties historiques
9.Nh3 — 48.2% (478 parties)
1958 — Polugaevsky, Lev vs Petrosian, Tigran A. — 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 — 24.7% (245 parties)
1962 — Kottnauer, Cenek vs Noradounghian, Georges — 1-0 — Paris FRA
1962 — Wade, Robert G vs Acevedo Ortega, Rodrigo Andres — 0-1 — Varna BUL
1962 — Portisch, Lajos vs Kluger, Gyula — 1-0 — Budapest HUN
1962 — Abel Silva Umar, Nader vs Ravinet, Jean-Michel — 0-1 — Varna BUL
1962 — Portisch, Lajos vs Dely, Peter — 1-0 — Budapest HUN
9.e4 — 14.4% (143 parties)
1960 — Schweber vs Eliskases — 0-1 — Buenos Aires ch-ARG
1960 — Shaposhnikov, Yury vs Vladimirov, Boris T — 1/2-1/2 — Perm RUS
1960 — Shamkovich, L. vs Kortchnoi, V. — 0-1 — Leningrad ch-URS
1961 — Ghitescu, Theodor vs Soos, Bela — 1-0 — Romania
1961 — Vladimirov, Boris T vs Lein, Anatoly — 1-0 — Baku ch-URS
9.c4 — 9.8% (97 parties)
1952 — Kuzminykh, Evgeny vs Kondratiev, Pavel E — 0-1 — Leningrad RUS
1953 — Klavins, Janis vs Tal, Mikhail — 1/2-1/2 — Latvia
1954 — Ragozin, Viacheslav vs Sokolsky, Alexey — 1/2-1/2 — Kiev ch-URS
1957 — Szabo, Ladislav vs Teschner, Rudolf — 1-0 — Wageningen zt
1958 — Bondarevsky, Igor vs Furman, Semyon — 1/2-1/2 — Moscow RUS