D48j - 9.e4 b4 - Meran Pirc Variation [+0.45]

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D48j — Meran Pirc Variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.e4 b4
Eval: [+0.45]
Les coups candidats
10.Na4 — 76.3% (100 parties)
Ambassadeurs : Eliskases, Erich (3x), Ragozin, Viacheslav (2x), Pirc, Vasja (2x), Gruenfeld, Ernst (2x), Euwe, Max (2x), Vidmar Milan (2x), Spielmann, Rudolf (2x), Forintos, Gyozo V (2x)
10.Ne2 — 16.0% (21 parties)
Ambassadeurs : Pirc, Vasja (2x), Chekhover, Vitaly (1x), Schwartzman, Alejandro (1x), Bolbochan, J. (1x), Cs. Kovacs, Laszlo (1x), Puc, Stojan (1x), Stoltz, Gosta (1x), Vidmar Milan (1x)
10.e5 — 6.1% (8 parties)
Ambassadeurs : Stahlberg, Gideon (1x), Soultanbeieff, Victor (1x), Szabados, Eugenio (1x), Foltys, Jan (1x), Voellmy, Erwin (1x), Alekhine, Alexander (1x), Fischer, Johann (1x), Drimer, Dolfi (1x)
10.Nb1 — 0.8% (1 parties)
Ambassadeurs : Van Scheltinga, Theo (1x), Van Doesburgh, Gerrit (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 10.Na4 10.Ne2 10.e5 10.Nb1
1800-2200 40 62% 30% 5% —
2200-2600 34 94% 3% 3% —
Évolution par décennie (% des parties)
Décennie N parties 10.Na4 10.Ne2 10.e5 10.Nb1
1930s 24 71% 17% 8% 4%
1940s 9 78% 11% 11% —
1950s 3 33% 33% 33% —
1960s 11 91% — 9% —
1970s 5 100% — — —
1980s 7 86% — 14% —
1990s 8 75% 25% — —
2000s 32 81% 16% 3% —
2010s 27 74% 19% 4% —
2020s 5 40% 60% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
10.Na4 74% 40% ▼ -34.1%
10.Ne2 19% 60% ▲ +41.5%
10.e5 4% 0% ▼ -3.7%
10.Nb1 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Euwe, Max — 2 parties
Alekhine, Alexander — 1 partie
Parties historiques
10.Na4 — 76.3% (100 parties)
1931 — Erdelyi, Sandor vs Vidmar, Marjeta — 0-1 — Prague CZE
1932 — Richter, Emil vs Dobias, Josef — 1-0 — Kautsky mem Prague CZE
1932 — Glass, Eduard vs Kmoch, Hans — 1-0 — Vienna AUT
1933 — Gruenfeld, Ernst vs Soultanbeieff, Victor — 1/2-1/2 — Folkestone ENG
1934 — Gygli, Fritz vs Stahlberg, Gideon — 1-0 — Zurich SUI
10.Ne2 — 16.0% (21 parties)
1931 — Stoltz, Gosta vs Vidmar Milan — 1/2-1/2 — Bled SLO
1932 — Spielmann, Rudolf vs Pirc, Vasja — 1-0 — Bad Sliac
1935 — Chekhover, Vitaly vs Pirc, Vasja — 0-1 — Moscow RUS
1936 — Schwartzman, Alejandro vs Bolbochan, J. — 1-0 — Mar del Plata ARG
1949 — Cs. Kovacs, Laszlo vs Puc, Stojan — 0-1 — Vienna AUT
10.e5 — 6.1% (8 parties)
1932 — Voellmy, Erwin vs Alekhine, Alexander — 0-1 — Bern SUI
1933 — Stahlberg, Gideon vs Soultanbeieff, Victor — 1-0 — Folkestone ENG
1949 — Szabados, Eugenio vs Foltys, Jan — 1/2-1/2 — Venice ITA
1951 — Vishomirskis, Romanas vs Mikenas, Vladas — 1-0 — Vilnius LTU
1961 — Fischer, Johann vs Drimer, Dolfi — 0-1 — Romania
10.Nb1 — 0.8% (1 parties)
1938 — Van Scheltinga, Theo vs Van Doesburgh, Gerrit — 1-0 — Amsterdam NED