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B15f — Gurgenidze (1969)
1.e4 c6 2.d4 d5 3.Nc3 g6 4.e5
Les coups candidats
Ambassadeurs : ? (9x), Foisor, Cristina-Adela (5x), Bosque Ortega, Xavier (5x), Harmatosi, Jozsef (4x), Soos, Bela (4x), Gaprindashvili, Nona (4x), Benito Alba, Eladio (3x), Braun, Peter (3x)
4…h5 — 31.0% (545 parties)
Ambassadeurs : Blatny, Pavel (15x), Daudzvardis, Janis (8x), Gaprindashvili, Nona (7x), Berchtenbreiter, Maximilian (7x), Randa, Miroslav (5x), Rogers, Norman (5x), Sarakauskas, Gediminas (4x), Szmetan, Ricardo (4x)
4…Nh6 — 4.3% (75 parties)
Ambassadeurs : Mollaoglu, Ergin (2x), Bosboom, Manuel (2x), Claesen, Pieter (2x), Florin, Jon (2x), Carretero Ajo, Jesus (1x), Rivero Acedo, Jesus (1x), Borngaesser, Rene (1x), Cao, Sang (1x)
4…f6 — 3.1% (54 parties)
Ambassadeurs : Foisor, Cristina-Adela (4x), Dmitriev, Igor (4x), Douven, Rudy (3x), Korneev, Oleg (2x), Prie, Eric (2x), Dominguez, Jose Manuel (1x), Lupu, Mircea-Sergiu (1x), Mitschnigg, Monika (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Bg7 4…h5 4…Nh6 4…f6
<1800 77 65% 17% 3% 3%
1800-2200 728 58% 31% 4% 2%
2200-2600 735 52% 36% 5% 5%
2600+ 5 80%
Évolution par décennie (% des parties)
Décennie N parties 4…Bg7 4…h5 4…Nh6 4…f6
1960s 14 64% 29%
1970s 46 57% 37% 2%
1980s 70 64% 34%
1990s 402 56% 34% 4% 2%
2000s 591 52% 34% 3% 4%
2010s 488 59% 25% 6% 3%
2020s 148 66% 26% 5% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Bg7 59% 66% ▲ +6.3%
4…h5 25% 26% +0.3%
4…Nh6 6% 5% ▼ -0.7%
4…f6 3% 2% ▼ -1.5%
Parties historiques
4…Bg7 — 56.9% (1000 parties)
1962 — Suetin, Alexey S vs Zaitsev, Igor A — 1/2-1/2 — Erevan ch-URS
1963 — Westerinen, Heikki M.J. vs Janata, Michael — 0-1 — Vrnjacka Banja SRB
1965 — Smith, Kenneth vs Bills, William — 1-0 — Houston SW op
1965 — Aliaga, Nicolas vs Thomson, Terence — 1-0 — Hastings ENG
1965 — Flores, Ranz Kirby Anthony vs Ader, Darya — 1/2-1/2 — Santiago CHI
4…h5 — 31.0% (545 parties)
1963 — Gershman, Semion vs Gerber, Vladimir — 1-0 — Kiev UKR
1968 — Tuk Ingrid vs Van Den Berg, John — 1-0 — ?
1969 — Radulov, Ivan vs Drimer, Dolfi — 1/2-1/2 — Raach
1969 — Wiedemann, Franz vs Middendorf, Ferdinand — 1/2-1/2 — Hamburg GER
1970 — Illijin, Neboisa vs Ciocaltea, Victor — 1/2-1/2 — Bucharest ROU
4…Nh6 — 4.3% (75 parties)
1974 — Carretero Ajo, Jesus vs Rivero Acedo, Jesus — 0-1 — Valladolid
1990 — Belkhodja, Slim vs Mollaoglu, Ergin — 0-1 — Toulouse FRA
1990 — Marcantoni, Herve vs Mollaoglu, Ergin — 1-0 — Meudon
1993 — Belaska, Premysl vs Dmitriev, Igor — 1/2-1/2 — Mlada Boleslav CZE
1993 — Shabalov, Alexander vs Ivanov, Igor V. — 0-1 — Lina Grumette Memori
4…f6 — 3.1% (54 parties)
1991 — Bottema, Tom vs Jadoul, Michel — 1-0 — Baldwin BSG-De Varia
1992 — Mitschnigg, Monika vs Mereacre, Natasa — 1/2-1/2 — Wch U14 Girls
1995 — Repkova, Eva vs Dmitriev, Igor — 0-1 — Lazne Bohdanec CZE
1995 — Loskutov, Oleg vs Dmitriev, Igor — 1-0 — Moscow RUS
1995 — Palac, Mladen vs Marangunic, Srdjan — 1/2-1/2 — Zadar CRO