| RC-00083LSS· Oct 16, 2011 | Oct 16, 2011 | Classical | 7 | 1809 | 11 |
Mitropa Cup women Merlimont FRA· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 16 | 2184 | 59 |
| RB-00141LSS· Oct 11 – 16, 2011 | Oct 11 – 16, 2011 | Classical | 7 | 1939 | 21 |
TCh-FIN SM-Liiga 2011-12 Vantaa FIN· Oct 16, 2011 | Oct 16, 2011 | Classical | 16 | 2318 | 8 |
| SB-00182LSS· Oct 13 – 16, 2011 | Oct 13 – 16, 2011 | Classical | 7 | 1946 | 21 |
Codogno ITA, 3. Open Codogno ITA· Oct 14 – 16, 2011 | Oct 14 – 16, 2011 | Classical | 12 | 2093 | 21 |
TCh-FIN SM-Liiga 2011-12 Oulu FIN· Oct 14 – 16, 2011 | Oct 14 – 16, 2011 | Classical | 33 | 2238 | 40 |
TCh-AUT 2 Ost 2011-12 Bruck AUT· Oct 15 – 16, 2011 | Oct 15 – 16, 2011 | Classical | 80 | 2250 | 70 |
Juazeiro do Norte BRA, Borge Memorial Juazeiro do Norte BRA· Oct 15 – 16, 2011 | Oct 15 – 16, 2011 | Classical | 8 | 2128 | 6 |
Mitropa Cup Merlimont FRA· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 47 | 2424 | 175 |
| 31th Dutch Open CCCLeiden, Netherland· Oct 15 – 16, 2011 | Oct 15 – 16, 2011 | Classical | 9 | 1951 | 10 |
Memorial Oliver Gonzalez Open Madrid ESP· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 145 | 1961 | 165 |
It (open) Lichtenrader Herbst Berlin GER· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 49 | 2138 | 45 |
TCh-MNE 1. League Tivat MNE· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 73 | 2327 | 240 |
Lichtenrader Autumn Berlin GER· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 88 | 2081 | 134 |
Schachbundesliga 2011-12 Muelheim GER· Oct 14 – 16, 2011 | Oct 14 – 16, 2011 | Classical | 143 | 2540 | 196 |
TCh-ROU Superliga 2011 Brasov ROU· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 78 | 2384 | 270 |
2. Oliver Gonzalez Memorial Madrid ESP· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 176 | 1943 | 449 |
TCh-ROU Superliga w 2011 Brasov ROU· Oct 8 – 16, 2011 | Oct 8 – 16, 2011 | Classical | 38 | 2049 | 129 |
75. ch-ESP Arenal d'en Castell ESP· Oct 15, 2011 | Oct 15, 2011 | Classical | 16 | 2347 | 8 |
Calvià ESP, 8. Open Calvià ESP· Oct 9 – 15, 2011 | Oct 9 – 15, 2011 | Classical | 34 | 2167 | 34 |
| OP-01819LSS· Oct 14 – 15, 2011 | Oct 14 – 15, 2011 | Classical | 5 | 1369 | 6 |
| OP-01821LSS· Oct 15, 2011 | Oct 15, 2011 | Classical | 5 | 1626 | 7 |
| FICGS__CHESS__CLASS_A__000109FICGS· Oct 15, 2011 | Oct 15, 2011 | Classical | 6 | 2040 | 15 |
UKR Ch w 2011 Poltava UKR· Oct 7 – 15, 2011 | Oct 7 – 15, 2011 | Classical | 26 | 2116 | 78 |
Alliston Open Alliston CAN· Oct 14 – 15, 2011 | Oct 14 – 15, 2011 | Classical | 9 | 1887 | 6 |
Calvi ESP, 8. Open Calvi ESP· Oct 9 – 15, 2011 | Oct 9 – 15, 2011 | Classical | 45 | 2144 | 85 |
Petrozavodsk RUS, Karelian Autumn 2011 Petrozavodsk RUS· Oct 9 – 15, 2011 | Oct 9 – 15, 2011 | Classical | 14 | 2153 | 30 |
11. Winterthur Open Winterthur SUI· Oct 8 – 15, 2011 | Oct 8 – 15, 2011 | Classical | 30 | 2171 | 48 |
Ch Ukraine women Poltava UKR· Oct 7 – 15, 2011 | Oct 7 – 15, 2011 | Classical | 24 | 2101 | 34 |
| RN-00415LSS· Oct 14, 2011 | Oct 14, 2011 | Classical | 7 | 1271 | 6 |
Fagernes NOR, Club Cup 2011 Fagernes NOR· Oct 14, 2011 | Oct 14, 2011 | Classical | 20 | 2257 | 19 |
12. Open SOP-SMAOK Athens GRE· Sep 13 – Oct 14, 2011 | Sep 13 – Oct 14, 2011 | Classical | 30 | 2069 | 30 |
Poikovsky RUS, 12. Karpov GM Poikovsky RUS· Oct 4 – 13, 2011 | Oct 4 – 13, 2011 | Classical | 10 | 2703 | 9 |
12. Karpov International Poikovsky RUS· Oct 4 – 13, 2011 | Oct 4 – 13, 2011 | Classical | 9 | 2707 | 11 |
12. Karpov Int Poikovsky RUS· Oct 4 – 13, 2011 | Oct 4 – 13, 2011 | Classical | 7 | 2714 | 6 |
Poikovsky Karpov 12th Poikovsky RUS· Oct 4 – 13, 2011 | Oct 4 – 13, 2011 | Classical | 9 | 2705 | 29 |
20. Championship Croatian 1a Sibenik CRO· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 23 | 2599 | 17 |
20. Championship Croatian 1b Sibenik CRO· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 12 | 2528 | 9 |
| OP-01817LSS· Oct 12, 2011 | Oct 12, 2011 | Classical | 5 | 1540 | 6 |
| SB-00181LSS· Oct 9 – 12, 2011 | Oct 9 – 12, 2011 | Classical | 7 | 1882 | 21 |
| 20. Championship Croatian 1a· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 7 | 2557 | 7 |
| 20. Championship Croatian 1b· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 8 | 2546 | 8 |
Novosibirsk RUS, City Ch 2011 Novosibirsk RUS· Oct 3 – 12, 2011 | Oct 3 – 12, 2011 | Classical | 6 | 2067 | 10 |
Spitz/Donau AUT, Senior Ch Spitz/Donau AUT· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 20 | 2115 | 66 |
20. TCh-CRO 1b Sibenik CRO· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 65 | 2295 | 130 |
20. TCh-CRO 1a Sibenik CRO· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 71 | 2452 | 191 |
Ch Croatia (team) (1. league) (b) Sibenik CRO· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 59 | 2314 | 84 |
Ch Croatia (team) (1. league) (a) Sibenik CRO· Oct 4 – 12, 2011 | Oct 4 – 12, 2011 | Classical | 56 | 2438 | 61 |
Belgrade Premier League 2011 Belgrade SRB· Oct 2 – 12, 2011 | Oct 2 – 12, 2011 | Classical | 106 | 2196 | 272 |