Pairings for Round 4. 2010 Ontario Chess Open: Open

Bd	Res	White	Res	Black
1	0	David Cummings (2.5)	1	Bator Sambuev (2.5)
2	½	Roman Sapozhnikov (2.5)	½	Bryan Smith (2.5)
3	0	Nikolay Noritsyn (2.5)	1	Victor Plotkin (2.5)
4	½	Paul Gelis (2.5)	½	Liam Henry (2.0)
5	½	Felix Barrios (1.5)	½	Nikita Gusev (1.5)
6	0	David Southam (1.5)	1	Yuri Aronov (1.5)
7	1	Raymond Kaufman (2.0)	0	David Filipovich (2.0)
8	0	Stephan Tonakanian (1.0)	1	Michael Kleinman (1.0)
9	1	Bill Doubleday (1.5)	0	Ian Mahoney (1.5)
10	0	Keith Wight (1.0)	1	Yuriy Kryvoshlyk (1.0)
11	½	Dalia Kagramanov (0.5)	½	Vladimir Drkulec (0.0)
12	0	David Itkin (1.0)	1	Jesse Wang (1.0)
13	½	Leslie Tang (1.0)	½	Alexandru Florea (1.0)
14	0	Yelizaveta Orlova (2.0)	1	Laurentiu Grigorescu (2.0)
	½	Brett Campbell (1.5)		BYE
	0	Daniel Abrahams (0.0)		BYE
	0	Robert B. Johnston (0.5)		BYE

Pairings for Round 4. 2010 Ontario Chess Open: U-2000

Bd	Res	White	Res	Black
1	½	Robert Bzikot (3.0)	½	Ross Richardson (3.0)
2	1	Derick Joshua Twesigye (2.5)	0	Ian Finlay (2.5)
3	½	Matthew Nicholson (2.5)	½	Lali Agbabishvili (2.5)
4	½	Masoud Jizan (2.0)	½	Mike Ivanov (2.0)
5	½	Kevin Zhou (1.5)	½	Yuanchen Zhang (1.5)
6	0	Ferdinand Supsup (1.5)	1	Victor Itkin (1.5)
7	0	Glen Fonceca (2.0)	1	Guannan Terry Song (2.0)
8	1	Tony [Juntao] Lin (1.5)	0	Ed Zator (1.5)
9	0	Sarthak Bansal (1.5)	1	Erik Malmsten (1.0)
10	1	Dimitry Chernik (1.5)	0	Luke Peristy (1.5)
11	1	Jim Zhao (2.0)	0	Julian Posaratnanathan (2.0)
12	1	Reuben McCleary (0.5)	0	Mario Piccinin (0.0)
13	1	Ferdinand Cale (2.0)	0	Florian Bergeron (2.0)
14	½	Doug Gillis (2.0)	½	Mark Plotkin (2.0)
15	0	Richard Wing (1.0)	1	Zehn Nasir (1.0)
16	0	Greg Beal (1.0)	1	Bruce Highcock (1.0)
17	0	Patrick Yu (1.0)	1	Joe Bellomo (1.0)
18	1	Robert James Beaubien (1.0)	0	Genadi Medvedev (1.0)
19	1	Roy Posaratnanathan (0.5)	0	Greg Crnilovic (0.5)
20	½	Jiaxin Liu (1.0)	½	Nathan Farrant-Diaz (1.0)
21	0	John Brown (1.0)	1	Yinshi Li (1.0)
	0	Michel Magnan (0.0)		BYE
	½	Uwe Hahnewald (2.5)		BYE
	0	Ian Mahoney (1.0)		BYE
	1	Daniel Muntaner (0.0)		BYE
	0	Peter Xie (1.0)		BYE
	0	Jeffrey Lee (0.0)		BYE

Pairings for Round 4. 2010 Ontario Chess Open: U-1600

Bd	Res	White	Res	Black
1	1	Derrick Aghamalian (2.0)	0	Jerry Yang (2.0)
2	0	Drake Lalonde (2.5)	1	Pahila Ezekiel (2.5)
3	0	Kevin Yi-Xiao Yie (2.0)	1	Mario Umana (2.0)
4	1	Qiang Li (3.0)	0	Steve Karpik (3.0)
5	1	Slobodan Petrovic (3.0)	0	Michael D. Rogers (3.0)
6	0	Brendan Osmann-Deyman (2.0)	1	Jack Maguire (2.0)
7	0	Bryant Yang (1.0)	1	Benjamin Blium (1.5)
8	0	John Zhang (2.0)	1	Stanley Su (2.0)
9	0	Colin B. Archibald (2.0)	1	Branislav Rajsic (2.0)
10	1	Lin [Xin] Song (1.0)	0	Ernesto U. Villaluz (1.0)
11	0	Charles Ma (1.0)	1	Jeffrey Lee (1.0)
12	0	M. Hassan Pishdad (1.5)	1	Michael Ashcroft (2.0)
13	½	Ramon Morales (2.0)	½	Bob Du (2.0)
14	0	Timothy Ma (0.0)	1	Jerick Siemeon (1.5)
15	1	Jason Xi (1.0)	0	Wenlu Yu (1.0)
16	1	Sandro Michelashvili (1.0)	0	Charles Dela Cruz (1.0)
17	1	Dennis Tismenko (1.0)	0	Wenyang Ming (1.0)
18	1	Richard Chen (0.5)	0	Rick McCleary (0.0)
19	1	Milan Cvetkovic (1.5)	0	Gleb Gariaev (1.5)
	0	Peter Pufan (0.0)		BYE
	0	Andre Siegel (2.0)		BYE
	0	James Mourgelas (0.5)		BYE
	0	Mark Bercovici (0.5)		BYE
	0	Anton Zverev (0.0)		BYE
	½	Jeff Pancer (0.0)		BYE
	0	Shreyas Krishnaprasad (0.0)		BYE
	0	Dnyanesh Kulkarni (0.0)		BYE
	0	Adrian Godwin (0.0)		BYE