D68c - 13.Qb1 - Orthodox, Classical, Maroczy Variation (1945)

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D68c — Orthodox, Classical, Maroczy Variation (1945)
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 Nbd7 7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.Qb1
Les coups candidats
Ambassadeurs : Trifunovic, Petar (2x), Steiner, Herman (1x), Guimard, Carlos E (1x), Bolbochan, Julio (1x), Bolbochan, Jacobo (1x), Abramovich Furman, Semyon (1x), Ilivitsky, Georgy A (1x), Eliskases, Erich (1x)
13…e4 — 31.8% (28 parties)
Ambassadeurs : Thuerauf, Peter (2x), Dittmann, Sieghart (1x), Golz, Werner (1x), Milev, Zdravko (1x), Ablanedo Jimenez, Alvaro Alfonso (1x), Freise, Eckhard, Prof. Dr. (1x), Diekmann, Hans-Joachim, Dr. (1x), Oestreich, Reinhard (1x)
13…Re8 — 4.5% (4 parties)
Ambassadeurs : Moreno, Ramos Felipe (1x), Codaro, Adolfo P (1x), Donaldson, John (1x), Harmon, Clark (1x), San Pedro Jorge Ricardo (1x), Goncalves, Claudio Javier (1x), Thuerauf, Peter (1x), Hofer, Markus (1x)
13…Kh8 — 3.4% (3 parties)
Ambassadeurs : Molnar, Istvan (1x), Zhugder (1x), Compagnie, Luc (1x), Geilen, Peter (1x), Thuerauf, Peter (1x), Weigand, Hans-Christian (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 13…exd4 13…e4 13…Re8 13…Kh8
<1800 2 50% 50% — —
1800-2200 27 48% 41% 4% 4%
2200-2600 26 73% 23% 4% —
Évolution par décennie (% des parties)
Décennie N parties 13…exd4 13…e4 13…Re8 13…Kh8
1950s 15 73% 20% — 7%
1960s 8 38% 50% 12% —
1970s 3 67% 33% — —
1980s 10 90% 10% — —
1990s 22 64% 27% 5% 5%
2000s 18 33% 50% 6% 6%
2010s 10 50% 40% 10% —
2020s 2 100% — — —
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
13…exd4 50% 100% ▲ +50.0%
13…e4 40% 0% ▼ -40.0%
13…Re8 10% 0% ▼ -10.0%
13…Kh8 0% 0% +0.0%
Parties historiques
13…exd4 — 59.1% (52 parties)
1951 — Abramovich Furman, Semyon vs Ilivitsky, Georgy A — 1-0 — URS-chT Tbilisi GEO
1951 — Hooper, David vs Aabel Thomas Eapen — 1/2-1/2 — Hastings ENG
1952 — Steiner, Herman vs Guimard, Carlos E — 1/2-1/2 — Havana CUB
1952 — Eliskases, Erich vs Trifunovic, Petar — 1/2-1/2 — Helsinki olm
1953 — Bolbochan, Julio vs Bolbochan, Jacobo — 1/2-1/2 — Mar del Plata ARG
13…e4 — 31.8% (28 parties)
1950 — Pirc, Vasja vs Sumar, Julio — 1-0 — Dubrovnik CRO
1954 — Kahn, Manfred vs Bartuszat, Fritz — 1/2-1/2 — Meerane
1956 — Dittmann, Sieghart vs Golz, Werner — 0-1 — GDR-ch Leipzig GER
1962 — Milev, Zdravko vs Ablanedo Jimenez, Alvaro Alfonso — 1/2-1/2 — Havana CUB
1966 — Oestreich, Reinhard vs Kubisch, Guido — 1-0 — Detmold
13…Re8 — 4.5% (4 parties)
1969 — Moreno, Ramos Felipe vs Codaro, Adolfo P — 0-1 — ?
1990 — Donaldson, John vs Harmon, Clark — 1-0 — Seattle, WA USA
2008 — San Pedro Jorge Ricardo vs Goncalves, Claudio Javier — 0-1 — ?
2011 — Thuerauf, Peter vs Hofer, Markus — 1/2-1/2 — GER
13…Kh8 — 3.4% (3 parties)
1957 — Molnar, Istvan vs Zhugder — 1-0 — Reykjavik ISL
1995 — Compagnie, Luc vs Geilen, Peter — 1/2-1/2 — ?
2004 — Thuerauf, Peter vs Weigand, Hans-Christian — 0-1 — Nuerenberg GER