D47c - 8…b4 - Meran, Freymann (1931)

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D47c — Meran, Freymann (1931)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bb3 b4
Les coups candidats
9.Ne2 — 85.1% (393 parties)
Ambassadeurs : Dorfman, Iossif (4x), Yudovich, Mikhail M (3x), Ciric, Dragoljub M (3x), Korchnoi, Viktor (3x), Larsen, Bent Ravn (3x), Tanti, Joseph G (3x), Gligoric, Sofija (2x), Tal, Mikhail (2x)
9.Na4 — 12.8% (59 parties)
Ambassadeurs : Blockx, Frank (2x), Condie, Mark L (2x), Aboulasse omar (1x), Pomar Salamanca, Arturo (1x), Yrjola, Jouni (1x), Valkesalmi, Kimmo (1x), Moerschbach, Udo (1x), Stolte, Alexander (1x)
9.Nb1 — 1.9% (9 parties)
Ambassadeurs : Moguilevsky, M. (1x), Castelli, Raul A (1x), Kossobudzki, Robert (1x), Zgodka, M. (1x), Deatherage, Paul E (1x), Bacholke, Michael (1x), Goldblat, Michael (1x), Mellegers, Joost (1x)
9.O-O — 0.2% (1 parties)
Ambassadeurs : Ruiz Diaz, Raquel Marina (1x), Epiney, Flo (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 9.Ne2 9.Na4 9.Nb1 9.O-O
<1800 33 85% 15% — —
1800-2200 157 90% 8% 1% 1%
2200-2600 176 82% 15% 2% —
2600+ 12 75% 25% — —
Évolution par décennie (% des parties)
Décennie N parties 9.Ne2 9.Na4 9.Nb1 9.O-O
1950s 15 93% — 7% —
1960s 21 90% 10% — —
1970s 22 95% 5% — —
1980s 48 77% 23% — —
1990s 78 73% 24% 3% —
2000s 124 89% 7% 3% 1%
2010s 119 89% 9% 2% —
2020s 35 83% 17% — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
9.Ne2 89% 83% ▼ -6.2%
9.Na4 9% 17% ▲ +7.9%
9.Nb1 2% 0% ▼ -1.7%
9.O-O 0% 0% +0.0%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 2 parties
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Parties historiques
9.Ne2 — 85.1% (393 parties)
1952 — Gligoric, Sofija vs Book, Eero — 1/2-1/2 — Helsinki olm
1952 — Alexander Tadala vs Simagin, Vladimir — 0-1 — Moskou ch-URS
1954 — Baev, Pavel vs Evans, Larry — 0-1 — New York ch-USA
1954 — Shahzade vs Alexander G — 1-0 — USSR
1955 — Adia Brown vs Zerkowitz, George — 0-1 — Vancouver
9.Na4 — 12.8% (59 parties)
1960 — Blockx, Frank vs Aboulasse omar — 0-1 — Leipzig GER
1960 — Blockx, Frank vs Pomar Salamanca, Arturo — 0-1 — Leipzig olm
1976 — Endzelins, Lucius vs Nyman, Sture V — 1/2-1/2 — cr.
1980 — Mascarinas, Rico vs Zichichi, Alvise — 1/2-1/2 — La Valletta MLT
1985 — Speelman, Jon S vs Jussupow, Artur — 1/2-1/2 — Lucerne SUI
9.Nb1 — 1.9% (9 parties)
1959 — Moguilevsky, M. vs Castelli, Raul A — 0-1 — Buenos Aires ARG
1990 — Deatherage, Paul E vs Bacholke, Michael — 0-1 — cor TS-36-1
1993 — Kossobudzki, Robert vs Zgodka, M. — 1/2-1/2 — cr.
2000 — Laczay, Istvan Dr vs Furman, Slavomir — 0-1 — IECG
2001 — Goldblat, Michael vs Mellegers, Joost — 0-1 — GER
9.O-O — 0.2% (1 parties)
2006 — Ruiz Diaz, Raquel Marina vs Epiney, Flo — 0-1 — LSS