C81h — Spanish: Open, Keres, 10.Rd1 O-O 11.c4
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 Be7 10.Rd1 O-O 11.c4 * ● Trait aux Noirs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Atouts. Les Blancs s'appuient sur la case forte d4, la paire de fous et la colonne semi-ouverte d.
En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).
Plans. Nc3 (Développer Nb1) ; Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5) ; Tour sur colonne d.
En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).
Plans. Nc3 (Développer Nb1) ; Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5) ; Tour sur colonne d.
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Atouts. Les Noirs s'appuient sur les cases fortes b4 et c5, des fous actifs en e6 et e7, la paire de fous et la colonne semi-ouverte e.
Côté adverse. Les fous enfermés en c1 et b3.
Plans. ...Bg4 (Clouer Nf3) ; ...d4 (Rupture) ; ...f6 (Rupture) ; ...f5 (Rupture) ; Tour sur colonne e.
Côté adverse. Les fous enfermés en c1 et b3.
Plans. ...Bg4 (Clouer Nf3) ; ...d4 (Rupture) ; ...f6 (Rupture) ; ...f5 (Rupture) ; Tour sur colonne e.
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | — | ● a6→b5 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● d4 (2v1) | ● b4 (2v0), ● c5 (2v0) |
| Cases faibles | ● c4 | ● d5, ● g5 |
| Centre | ● d4 (2v1) | — |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● d | ● e |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bb3 | ● Bb3 Enfermé (mob. 2) | |
| Be6 | ● Be6 Actif (mob. 5) | |
| Be7 | ● Be7 Actif (mob. 7) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 3 (b1, c1, a1) | 1 (a8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Roqué |
| Droits de roque | — | — |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | semi-ouvert | |
| Ruptures | ● c4-c5 | ● …d5-d4, ● …f7-f6, ● …f7-f5 |
| Partie |
|---|
| 19. European Teams 2013 – Round 4.13 – Perunovic, Milos – 1-0 – Ringoir, Tanguy – G142 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1948 US Open Baltimore, MD USA – Round 2 – Nash, Edmund – 0-1 – Kashdan, Isaac – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1949 BUL Ch – Round 6 – Bobekov, Radko – 0-1 – Benderev, Yurij – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. d4 d5 9. dxe5 Nxe4 10. Rd1 Be6 |
| 1949 Moskou ch-URS – Round 1 – Aronin, Lev – 1/2-1/2 – Ragozin, Viacheslav – G123 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1949 URS Ch, semi final – Round 11 – Kholmov, Ratmir D – 1-0 – Grechkin, Dmitry M – G84 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1952 Chester ch-BCF – Round 6 – Aabel Thomas Eapen – 1/2-1/2 – Tayler R – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 Nxe4 6. O-O b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1960 UKR Ch – Round 12 – Novopashin, Arkady – 1-0 – Volchok, Alexandr – G76 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1965 Novi Sad – Round 17 – Bogdanovic, Rajko – 1-0 – Ilievski, Dimitar – G140 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1967 Budva – Round ? – Tal, Mikhail – 1-0 – Geller, Efim P – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1969 WchT U26 qual-B – Round 2.1 – Huebner, Robert – 1-0 – Demarre, Jacques – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| 1971 Moscow – Round ? – Sherbakov, Aleksey Mikh – 1/2-1/2 – Ruderfer, Mark B – G181 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| Belgrade 1987 – Round ? – Ivanovic, Bozidar – 1/2-1/2 – Timman, Jan H – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| Croatia GCT 2019 – Round 6.6 – Giri, Anish – 1/2-1/2 – Anand, Viswanathan – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| Lindores Abbey Tal Memorial 2021 – Round 12.15 – Ponomariov, Ruslan – 1/2-1/2 – Oparin, Grigoriy – G514 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| Montreal 1979 – Round 17 – Kavalek, Lubomir – 1/2-1/2 – Tal, Mikhail – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| Montreal 1979 – Round 9 – Kavalek, Lubomir – 0-1 – Karpov, Anatoly – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| URS-ch41 1973 – Round 3 – Tukmakov, Vladimir B – 0-1 – Korchnoi, Viktor – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| World Blitz 2022 – Round 3.67 – Kovalev, Vladislav – 0-1 – Madaminov, Mukhiddin – G172 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
| World Championship 29th 1978 – Round 12 – Karpov, Anatoly – 1/2-1/2 – Korchnoi, Viktor – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O |
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- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
19. European Teams 2013 – Round 4.13 – Perunovic, Milos – 1-0 – Ringoir, Tanguy – G142
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1948 US Open Baltimore, MD USA – Round 2 – Nash, Edmund – 0-1 – Kashdan, Isaac – G4
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1949 BUL Ch – Round 6 – Bobekov, Radko – 0-1 – Benderev, Yurij – G30
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1949 Moskou ch-URS – Round 1 – Aronin, Lev – 1/2-1/2 – Ragozin, Viacheslav – G123
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1949 URS Ch, semi final – Round 11 – Kholmov, Ratmir D – 1-0 – Grechkin, Dmitry M – G84
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1952 Chester ch-BCF – Round 6 – Aabel Thomas Eapen – 1/2-1/2 – Tayler R – G17
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1960 UKR Ch – Round 12 – Novopashin, Arkady – 1-0 – Volchok, Alexandr – G76
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1965 Novi Sad – Round 17 – Bogdanovic, Rajko – 1-0 – Ilievski, Dimitar – G140
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1967 Budva – Round ? – Tal, Mikhail – 1-0 – Geller, Efim P – G36
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1969 WchT U26 qual-B – Round 2.1 – Huebner, Robert – 1-0 – Demarre, Jacques – G7
- Lire la suite
-
- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
1971 Moscow – Round ? – Sherbakov, Aleksey Mikh – 1/2-1/2 – Ruderfer, Mark B – G181
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- C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence, C81 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2 - Spanish [+0.19], C81h - 9…Be7 10.Rd1 O-O 11.c4 - Open Keres [+0.08], SÉRIE C
Belgrade 1987 – Round ? – Ivanovic, Bozidar – 1/2-1/2 – Timman, Jan H – G46
- Lire la suite













Karpov, Anatoly — 2 parties
Euwe, Max — 1 partie
Kasparov, Garry — 1 partie
Carlsen, Magnus — 1 partie
Anand, Viswanathan — 1 partie
1948 — Nash, Edmund vs Kashdan, Isaac — 0-1 — US op Baltimore, MD USA
1949 — Aronin, Lev vs Ragozin, Viacheslav — 1/2-1/2 — Moskou ch-URS
1949 — Kholmov, Ratmir D vs Grechkin, Dmitry M — 1-0 — Tbilisi GEO
1949 — Bobekov, Radko vs Benderev, Yurij — 0-1 — Sofia BUL
1984 — Moreno Ramos, F. vs Myatt, John — 1-0 — cr.
2019 — Virag, Balint vs Kocsis, Peter — 1-0 — Balatonalmadi HUN
2000 — Balcazar Novoa, Luis Marcos vs Marim Milton — 1-0 — ?
2020 — Cumming, David R vs Conde Poderoso, Antonio — 1-0 — ICCF