The 9th Winterthur Chess Week 2009 took place between October 3rd and October 10th.

Round 1 - Oct 3rd Meyer - Ulybin 0-1 Berczes - Glauser 1/2 Akermann - Bindrich 0-1 Prohaszka - Mira 1-0 Hasenohr - Bogner 1/2	Round 2 - Oct 4th Ulybin - Schleicher 1-0 Bindrich - Rosenthal 1/2 Blasko - Prohaszka 0-1 Bakin - Sipos 0-1 Haimovich - Gahwiler 1-0
Round 3 - Oct 5th Lund - Ulybin 1/2 Prohaszka - Ansell 1/2 Sipos - Kamber 1-0 Ballmann - Haimovich 1/2 Battaglini - Bindrich 0-1	Round 4 - Oct 6th Ulybin - Sipos 1-0 Ansell - Berczes 0-1 Bindrich - Ballmann 1-0 Toth - Prohaszka 1-0 Haimovich - Lund 1/2
Round 5 - Oct 7th Bindrich - Ulybin 0-1 Berczes - Toth 1/2 Lund - Bogner 1/2 Sipos - Feuerstack 1-0 Kamber - Haimovich 0-1	Round 6 - Oct 7th Ulybin - Berczes 0-1 Haimovich - Sipos 1/2 Toth - Bindrich 1/2 Gahwiler - Prohaszka 1/2 Bogner - Hajnal 1-0
Round 7 - Oct 8th Berczes - Bogner 0-1 Haimovich - Ulybin 0-1 Sipos - Toth 1/2 Bindrich - Mede 1-0 Prohaszka - Ballmann 1-0	Round 8 - Oct 9th Ulybin - Bogner 1-0 Prohaszka - Berczes 1/2 Sipos - Bindrich 1-0 Toth - Lund 0-1 Glauser - Haimovich 1/2
Round 9 - Oct 10th Ulybin - Prohaszka 1/2 Lund - Sipos 1/2 Berczes - Hajnal 0-1 Bogner - Toth 1-0 Bindrich - Ansell 1/2