E72h - 5…O-O 6.Bg2 e5 7.Nge2 - Pomar System (1930)

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E72h — Pomar System
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.g3 O-O 6.Bg2 e5 7.Nge2
Les coups candidats
7…Nc6 — 59.4% (352 parties)
Ambassadeurs : Pomar Salamanca, Arturo (7x), Rasmussen, Karsten (7x), Holfelder, Hans-Joachim (5x), Aigmueller, Max Ing (4x), Rubinstein, Akiba (3x), Thomas, George Alan (3x), Maccioni, Alejandro (3x), Iliesco, Juan (3x)
7…exd4 — 15.7% (93 parties)
Ambassadeurs : Alster, Ladislav (2x), Kotov Lundqvist, Alex (2x), Pomar Salamanca, Arturo (2x), Barcza, Gedeon (2x), Heemsoth, Hermann (2x), Duenas, Ascencion (2x), Stahlberg, Gideon (1x), Castillo Larenas, Mariano (1x)
7…Nbd7 — 13.2% (78 parties)
Ambassadeurs : Iliesco, Juan (3x), Alekhine, Alexander (2x), Kottnauer, Cenek (1x), Wood, Beau (1x), Acosta Montiel, Vicente (1x), Iliesco (1x), Marini, Luis (1x), Muller, Hans P (1x)
7…c6 — 5.9% (35 parties)
Ambassadeurs : Barberi, Alessandro (2x), Teske, Henrik (2x), Rubinstein, Akiba (1x), Koltanowski, George (1x), G K Sandiford (1x), Keene, Raymond D (1x), De Fotis, Gregory (1x), Winslow, Elliott (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nc6 7…exd4 7…Nbd7 7…c6
<1800 22 50% 9% 23% 5%
1800-2200 186 65% 9% 13% 7%
2200-2600 109 61% 17% 9% 11%
2600+ 1 — — 100% —
Évolution par décennie (% des parties)
Décennie N parties 7…Nc6 7…exd4 7…Nbd7 7…c6
1920s 7 71% — 29% —
1930s 16 75% 6% — 6%
1940s 34 44% 24% 29% —
1950s 61 57% 34% 5% 2%
1960s 19 63% 21% 5% 11%
1970s 19 42% 26% 16% 11%
1980s 34 59% 15% 15% 12%
1990s 140 61% 11% 11% 9%
2000s 121 62% 12% 15% 7%
2010s 119 62% 12% 15% 3%
2020s 23 43% 17% 13% —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nc6 62% 43% ▼ -18.7%
7…exd4 12% 17% ▲ +5.6%
7…Nbd7 15% 13% ▼ -2.1%
7…c6 3% 0% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 2 parties
Botvinnik, Mikhail — 2 parties
Parties historiques
7…Nc6 — 59.4% (352 parties)
1922 — Rubinstein, Akiba vs Thomas, George Alan — 1/2-1/2 — Hastings ENG
1922 — Rubinstein, Andres vs Bellod Thomas, Gonzalo — 1/2-1/2 — Hastings ENG
1922 — Rubinstein, Akiba vs Bellod Thomas, Gonzalo — 1/2-1/2 — ?
1925 — Rubinstein, Akiba vs Bluemich, Max — 1-0 — Breslau GER
1925 — Levenfish, Grigory vs Romanovsky, Pjotr — 1-0 — Leningrad RUS
7…exd4 — 15.7% (93 parties)
1939 — Botvinnik, Mikhail vs Yudovich, Mikhail M — 1/2-1/2 — Leningrad ch-URS
1945 — Kotov Lundqvist, Alex vs Kan, Igor — 1/2-1/2 — Moskou ch-URS
1947 — Vukovic, Sava vs Tot, Bora — 1/2-1/2 — Ljubljana SLO
1947 — Bonham, R. vs Alster, Ladislav — 1-0 — Midlands-Czechoslovakia
1948 — Stahlberg, Gideon vs Castillo Larenas, Mariano — 1-0 — Mar del Plata ARG
7…Nbd7 — 13.2% (78 parties)
1923 — Alekhine, Alexander vs Muller, Hans P — 1-0 — Margate ENG
1923 — Alekhine, Alexander vs Mueller, Oscar Conrad — 1-0 — Margate Margate ENG
1942 — Bolbochan, J. vs Iliesco, Juan — 1/2-1/2 — Mar del Plata ARG
1944 — Flores Alvarez, Rodrigo vs Iliesco, Juan — 1/2-1/2 — Mar del Plata ARG
1946 — Acosta Montiel, Vicente vs Iliesco — 0-1 — Buenos Aires ch-ARG
7…c6 — 5.9% (35 parties)
1931 — Rubinstein, Akiba vs Koltanowski, George — 0-1 — Scheveningen NED
1951 — Tanguay, Alexandre vs Zalys, Ignas — 0-1 — Montreal CAN
1961 — G K Sandiford vs Keene, Raymond D — 1-0 — England
1968 — De Fotis, Gregory vs Winslow, Elliott — 1-0 — USA op Aspen
1975 — Thal, Olaf vs Boensch, Uwe — 1/2-1/2 — Stralsund GER