The Leiden Chess Tournament Group A 2013 took place between July 12^th and July 21^st.

Round 1 - Jul 12th Asefi - Howell 0-1 Sethuraman - Klop 1-0 Van Halderen - Van Den Doel 0-1 Nikolic - Braggaar, L. 1-0 Noordkamp - Sengupta 0-1 Prohaszka - Serdijn 1-0 Van Zetten - Iljin 0-1 Zaragatski - Kerkvliet 1-0 Van Der Meer - Hasangatin 0-1 Zhou - De Coverly 1-0	Round 2 - Jul 13th Howell - Wantola 1-0 Heemskerk - Sethuraman 0-1 Van Den Doel - Pijpers 1/2 Dahm - Nikolic 0-1 Sengupta - Molinaroli 1-0 Padurariu - Prohaszka 0-1 Iljin - Wilschut 1-0 Vistisen - Zaragatski 0-1 Hasangatin - Van Der Marel 1-0 Blom - Zhou 1-0
Round 3 - Jul 14th Zaragatski - Howell 1-0 Hendriks - Sengupta 0-1 Sethuraman - Hasangatin 0-1 Nikolic - Iljin 1/2 Prohaszka - Bernal Moro 1-0 Blom - Epishin 0-1 Chevannes - Van Den Doel 1/2 Van Calmthout - Slingerland 0-1 Pijpers - Schaeffner 1-0 Halfhide - Van Der Velden 0-1	Round 4 - Jul 15th Sengupta - Zaragatski 1/2 Van Der Velden - Epishin 0-1 Slingerland - Nikolic 1/2 Hasangatin - Prohaszka 0-1 Iljin - Pijpers 1/2 Howell - Van Der Marel 1-0 Van Den Doel - Blom 1-0 Padurariu - Sethuraman 0-1 Vistisen - Zhou 0-1 Bernal Moro - Van Der Raaf 1-0
Round 5 - Jul 16th Prohaszka - Sengupta 0-1 Nikolic - Bernal Moro 1-0 Zhou - Howell 1/2 Epishin - Zaragatski 1/2 Wilschut - Van Den Doel 0-1 Sethuraman - Slingerland 1-0 Van 'T Hof - Iljin 0-1 Pijpers - Hasangatin 1/2 Wantola - Chevannes 0-1 Molinaroli - Overeem 1-0	Round 6 - Jul 18th Sengupta - Nikolic 1-0 Iljin - Epishin 1/2 Van Den Doel - Prohaszka 0-1 Zaragatski - Sethuraman 1/2 Howell - Pijpers 1-0 Hasangatin - Molinaroli 1-0 Heemskerk - Zhou 0-1 Bernal Moro - Chevannes 1-0 Wiersma - Partenheimer 1/2 Slingerland - Van 'T Hof 1-0
Round 7 - Jul 19th Epishin - Sengupta 0-1 Prohaszka - Howell 1/2 Sethuraman - Iljin 1-0 Zhou - Zaragatski 1/2 Van Den Doel - Hasangatin 1/2 Nikolic - Lecomte 1-0 Van Der Raaf - Slingerland 1/2 Wantola - Bernal Moro 0-1 Ratsma - Wiersma 1/2 Pijpers - Van Der Auweraert 1-0	Round 8 - Jul 20th Sengupta - Sethuraman 0-1 Zaragatski - Prohaszka 1/2 Hasangatin - Nikolic 1/2 Bernal Moro - Zhou 1-0 Howell - Van Der Raaf 1-0 Heemskerk - Epishin 0-1 Iljin - Van Den Doel 1/2 Slingerland - Pijpers 0-1 Overeem - Wilschut 0-1 Wiersma - Van Halderen 1-0
Round 9 - Jul 21st Sethuraman - Howell 1-0 Bernal Moro - Sengupta 0-1 Prohaszka - Nikolic 0-1 Epishin - Hasangatin 1/2 Pijpers - Zaragatski 1/2 Van Den Doel - Dahm 0-1 Zhou - Iljin 1/2 Wilschut - Wiersma 1/2 Slingerland - Lecomte 1-0 Molinaroli - Schaeffner 1/2