A99l — Dutch: Ilyin-Zhenevsky, 8.b3 a5 9.Bb2 Na6

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b3 a5 9.Bb2 Na6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5.

Atouts. Les Blancs s'appuient sur la case forte b5 et la paire de fous.

Côté adverse. Les fous enfermés en e7 et c8.

Plans. h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte b4….

Atouts. Les Noirs s'appuient sur les cases fortes b4, e4 et g4, des avant-postes en b4 et g4 et la paire de fous.

Côté adverse. Les fous enfermés en b2 et g2.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4)) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● e6→f5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v1)	● b4 (2v0), ● e4 (2v1), ● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Enfermé (mob. 2)
Bg2	● Bg2 Enfermé (mob. 2)
Be7		● Be7 Enfermé (mob. 1)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	1 (● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e6-e5, ● …f5-f4

Partie
1950 Schiavno Zdroj – Round 1 – Kottnauer, Cenek – 1-0 – Simagin, Vladimir – G2 1. c4 f5 2. d4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. b3 a5 8. Bb2 Qe8 9. Nc3 Na6 10. a3 c6
1951 URS Ch sf – Round 7 – Flohr, Salo – 1/2-1/2 – Sokolsky, Alexey – G18 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3 a5 9. Bb2 Na6 10. Ne1 e5
1951 YUG Ch 7th – Round 4 – Nedeljkovic, Srecko M – 1-0 – Tot, Bora – G34 1. Nf3 e6 2. d4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 a5 8. b3 Qe8 9. Bb2 Na6 10. a3 Bd7
1952 Helsinki olm – Round 1 – Jost, Felix – 0-1 – Bhend, Edwin – G56 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. c4 d6 6. O-O O-O 7. b3 Qe8 8. Bb2 a5 9. Nc3 Na6 10. Qc2 Bd7
1955 Novi Sad – Round 7 – Milic, Borislav – 1/2-1/2 – Ivkov, Borislav – G66 1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d6 7. d4 a5 8. Nc3 Qe8 9. Bb2 Na6 10. a3 Bd7
1957 DDR Ch 08th – Round 8 – Fuchs, Reinhart – 1-0 – Franz, Joachim – G51 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. b3 a5 8. Nc3 Qe8 9. Bb2 Na6 10. Ne1 c5
1958 Buenos Aires V – Round 11 – Bolbochan, J. – 1/2-1/2 – Pelikan, Jorge – G43 1. c4 f5 2. Nf3 Nf6 3. g3 d6 4. d4 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 Qe8 8. b3 a5 9. Bb2 Na6 10. e3 Rb8
1959 Kragujevac ch14-YUG – Round 12 – Sokolov, Vadim – 0-1 – Matulovic, Milan – G102 1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 d6 7. Nc3 Qe8 8. b3 a5 9. Bb2 Na6 10. a3 c6
1963 YMCA – Round 7 – Esposito, Alfredo – 1-0 – Sanguineti, Raúl Carlos – G12 1. c4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. d4 d6 7. Nc3 Qe8 8. b3 a5 9. Bb2 Na6 10. a3 Rb8
1965 Titograd – Round 10 – Gligorić, Svetozar – 1-0 – Sofrevski, Jovan – G68 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. c4 d6 7. Nc3 Qe8 8. b3 a5 9. Bb2 Na6 10. e3 c6
1967 Harrachov – Round 1 – Trapl, Jindrich – 0-1 – Kolbak, Jens – G118 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 d6 7. Nc3 Qe8 8. b3 a5 9. Bb2 Na6 10. Re1 Qh5
1968 USSR Tch-2 6870 – Round ? – Khasin, Abram – 1-0 – Sivertsev, Kirill – G4 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3 a5 9. Bb2 Na6 10. Re1 Qg6

A99l — Ilyin-Zhenevsky

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 Qe8 8.b3 a5 9.Bb2 Na6

Les coups candidats

10.Re1 — 39.8% (125 parties)

Ambassadeurs : Arnold, Robert G (6x), Moser, Emily (4x), Zhurina, Elizaveta (3x), Haase, Jelle (2x), Lechtynsky, Jiri (2x), Lysova, Olga (2x), Schoen, Wolfram (2x), Schmidt, Theo (2x)

10.e3 — 26.1% (82 parties)

Ambassadeurs : Arnold, Robert G (4x), Stamer, Wolfgang (3x), Lechtynsky, Jiri (3x), Mescheder, Wolfgang (2x), Leisebein (2x), Biagi, Eduardo (2x), Otman, Viktor (2x), Bolbochan, J. (1x)

10.a3 — 23.2% (73 parties)

Ambassadeurs : Lechtynsky, Jiri (3x), Savitskaya, Ekaterina P. (3x), Arnold, Robert G (3x), Simagin, Vladimir (2x), Lehmann, Christina (2x), Just, Gabriele, Dr. (2x), Nedobora, Mikhail (2x), Furman, Semyon (1x)

10.Ne1 — 3.8% (12 parties)

Ambassadeurs : Fuchs, Reinhart (1x), Franz, Joachim (1x), Flohr, Salo (1x), Sokolsky, Alexey (1x), Reicher, Emanoil-George (1x), Stanciu, Traian (1x), Webb, Simon (1x), Bellin, Robert (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Re1	10.e3	10.a3	10.Ne1
<1800	3	67%	—	—	—
1800-2200	82	43%	17%	26%	2%
2200-2600	130	40%	30%	22%	4%

Évolution par décennie (% des parties)

Décennie	N parties	10.Re1	10.e3	10.a3	10.Ne1
1940s	1	—	—	100%	—
1950s	11	9%	18%	45%	18%
1960s	11	27%	27%	36%	9%
1970s	20	35%	25%	35%	5%
1980s	32	41%	38%	12%	—
1990s	95	28%	33%	26%	4%
2000s	98	45%	24%	20%	2%
2010s	43	63%	12%	16%	5%
2020s	3	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Re1	63%	100%	▲ +37.2%
10.e3	12%	0%	▼ -11.6%
10.a3	16%	0%	▼ -16.3%
10.Ne1	5%	0%	▼ -4.7%

Parties historiques

10.Re1 — 39.8% (125 parties)

1957 — Bruemmer, Ullrich vs Kneschke, Hansjuergen — 1-0 — Zittau
1967 — Sokolov, Sergey M. vs Smolensky, Yuri Andreievich — 1-0 — 08 ch USSR 6768
1967 — Trapl, Jindrich vs Kolbak, Jens — 0-1 — Harrachov
1968 — Khasin, Abram vs Sivertsev, Kirill — 1-0 — USSR Tch-2 6870
1972 — Walter, Guenter vs Brueggemann, Joachim — 1/2-1/2 — Goerlitz

10.e3 — 26.1% (82 parties)

1955 — Elstner, Rudolf vs Franz, Joachim — 1-0 — Zwickau
1958 — Bolbochan, J. vs Pelikan, Jorge — 1/2-1/2 — Buenos Aires ARG
1963 — Lohsse, Hans Peter vs Ellrich, Paul — 1/2-1/2 — Bad Pyrmont GER
1964 — Balmazi, Leon vs Smirnov, Valerij — 1-0 — URS
1965 — Gligorić, Svetozar vs Sofrevski, Jovan — 1-0 — Titograd

10.a3 — 23.2% (73 parties)

1946 — Furman, Semyon vs Simagin, Vladimir — 0-1 — Leningrad RUS
1950 — Kottnauer, Cenek vs Simagin, Vladimir — 1-0 — Schiavno Zdroj
1951 — Nedeljkovic, Srecko M vs Tot, Bora — 1-0 — Sarajevo BIH
1955 — Larsen, Bent Ravn vs Olafsson, Fridrik — 0-1 — Reykjavik ISL
1955 — Milic, Borislav vs Ivkov, Borislav — 1/2-1/2 — Novi Sad SRB

10.Ne1 — 3.8% (12 parties)

1951 — Flohr, Salo vs Sokolsky, Alexey — 1/2-1/2 — Lvov UKR
1957 — Fuchs, Reinhart vs Franz, Joachim — 1-0 — Soemmerda
1968 — Reicher, Emanoil-George vs Stanciu, Traian — 1/2-1/2 — Bucharest ROU
1971 — Webb, Simon vs Bellin, Robert — 0-1 — London ENG
1990 — Stangl, Markus vs Bohn, Thomas, Dr. — 1-0 — GER