Leaderboard for Year 20 (2008–2009)

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Jump to:Round 1 Round 2 Round 3 Round 4 Problem Statistics

Overall

Score

Students

100

Keenan Monks (10, PA)

Brian Zhang (10, CA)

Andy Zhu (12, NJ)

Vishal Arul (10, CA)

Calvin Deng (8, NC)

Donlapark Pornnopparath (12, RI)

Andrew Ryba (11, NY)

Dennis Tseng (11, OH)

QiuYi Zhang (11, CA)

Ben Zinberg (11, NY)

Wenyu Cao (10, NJ)

Alex Cole (11, CT)

Sam Keller (11, WA)

Patricia Li (12, CA)

Panupong Pasupat (12, DC)

Matthew Stoffregen (12, PA)

Agustin Venezuela (12, CT)

Michael Wu (10, NJ)

Kerry Xing (11, WA)

Amit Hazi (12, CA)

Tianqi Wu (10, GA)

Jason Hoch (12, CT)

Patrick Hulin (11, CT)

Santhosh Karnik (12, GA)

Albert Wu (11, NJ)

Greg Yang (11, TX)

Ryan Gao (11, ME)

Daniel Kriz (11, MI)

Victor Luo (11, VA)

Kostyantyn Mazur (12, NJ)

Gaurav Singh (10, MN)

Michael Vorobyov (12, CA)

Fengning Ding (9, CA)

Alex Knoespel (10, WI)

Kevin Sackel (12, NY)

David Yang (7, CA)

Luis Ares (12, FL)

Martin Camacho (11, MN)

Alan Chang (11, CA)

Toan Duc Phan (11, CT)

Archit Kulkarni (10, CA)

Anthony Wang (11, PA)

Daniel Xia (11, NJ)

Hood Chatham (10, CA)

Aaron Schild (11, CA)

Kostya Borisov (10, PA)

Anthony Kirckof (12, WI)

Albert Wu (9, CA)

George Xing (11, CA)

Lena Sizikova (11, CA)

Kevin Chen (10, TX)

Ofir Nachum (11, MA)

Eric Schneider (8, NJ)

Sitan Chen (9, GA)

Yitao Li (12, MD)

Andrei Markov (11, GA)

Andrew Reiser (12, OR)

Dai Yang (9, CA)

Ben Zauzmer (10, PA)

Nina Budaeva (12, CA)

Alan Chou (11, AL)

Xiaoyu He (9, MA)

Geoffrey Smith (10, MA)

Nicholas Su (11, CA)

Bekezhan Nurkhaidarov (9, MD)

Tadd Phillips (12, OR)

Kate Rudolph (11, IL)

Noah Taylor (10, OH)

Jay White (10, NY)

Allen Yang (9, NC)

Yanping Chen (12, CA)

Ethan Leeman (12, MA)

Bayley Wang (11, CA)

Sterling Chu (12, MA)

Shuli Song (11, CO)

Elliot Wells (11, OH)

Max Chang (12, NJ)

Colin Lu (11, NY)

Yongyi Chen (9, MA)

Sei Masuoka (11, MD)

Connor Ahlbach (12, CA)

Kevin Hu (10, IL)

Sean Griffin (11, ME)

Yang Lu (10, NJ)

Ante Qu (10, NJ)

Xinke Guo-Xue (10, AL)

Tony Ho (11, CA)

Seth Neel (10, RI)

Thomas Swayze (8, CA)

Mark Velednitsky (11, NJ)

David Xu (11, CA)

Matthew Dippel (12, NH)

Billy Dorminy (12, GA)

Christopher Eur (10, CA)

David Lu (9, MI)

Alan Talmage (10, IA)

Alan Zhou (8, MA)

Zixiao Wang (10, NJ)

Michael Wehar (11, PA)

Mohith Muddasani (12, NJ)

Kyle Stankowski (10, WI)

Alan Wagner (11, PR)

Christine Yan (10, NJ)

Luna Zhang (10, GA)

Round 1

Score

Students

Luis Ares (12, FL)

Vishal Arul (10, CA)

Kostya Borisov (10, PA)

Wenyu Cao (10, NJ)

Charles Chen (11, CA)

Kevin Chen (10, TX)

Alex Cole (11, CT)

Erik Crevier (12, MA)

Calvin Deng (8, NC)

Carlos Dominguez (12, OH)

Toan Duc Phan (11, CT)

Linyi Gao (12, ID)

Travis Hance (11, OH)

Amit Hazi (12, CA)

Santhosh Karnik (12, GA)

Sam Keller (11, WA)

Anthony Kirckof (12, WI)

Alex Knoespel (10, WI)

Adisa Kruayatidee (10, NH)

Archit Kulkarni (10, CA)

Ethan Leeman (12, MA)

Bowei Liu (10, CA)

Mo Luo (9, CA)

Andrei Markov (11, GA)

Kostyantyn Mazur (12, NJ)

Keenan Monks (10, PA)

Mohith Muddasani (12, NJ)

Ofir Nachum (11, MA)

David Patrick (10, CA)

Andrew Reiser (12, OR)

Wonho Rhee (9, IN)

Andrew Ryba (11, NY)

Eric Schneider (8, NJ)

Kevin Shweh (11, CA)

Eric Shyu (12, IL)

Lena Sizikova (11, CA)

Alex Smith (10, MA)

Geoffrey Smith (10, MA)

Shuli Song (11, CO)

Matthew Stoffregen (12, PA)

Dennis Tseng (11, OH)

Agustin Venezuela (12, CT)

Anderson Wang (9, PA)

Anthony Wang (11, PA)

Michael Wehar (11, PA)

Michael Wu (10, NJ)

Neal Wu (11, LA)

Xiaoxiao Wu (11, NY)

Kerry Xing (11, WA)

Christine Yan (10, NJ)

Yide Yan (11, ME)

David Yang (7, CA)

Lynnelle Ye (11, CA)

Brian Zhang (10, CA)

QiuYi Zhang (11, CA)

Andy Zhu (12, NJ)

Ben Zinberg (11, NY)

Connor Ahlbach (12, CA)

Nina Budaeva (12, CA)

Alan Chang (11, CA)

Sitan Chen (9, GA)

Sterling Chu (12, MA)

Jean Feng (12, CA)

Xiaoyu He (9, MA)

Vsevolod Ivanov (11, CA)

Eric Kittlaus (12, OR)

Sushanth Kodali (11, NJ)

Daniel Kriz (11, MI)

Patricia Li (12, CA)

Carl Lian (10, MA)

Dennis Lu (11, NJ)

Karen Luo (10, NY)

Dmitri Megretski (12, MA)

Anand Oza (11, MD)

Panupong Pasupat (12, DC)

Donlapark Pornnopparath (12, RI)

Arjun Puranik (11, IL)

Marc Rasi (12, TX)

Stephen Rong (11, KS)

Kate Rudolph (11, IL)

Aaron Schild (11, CA)

Nicholas Su (11, CA)

Michael Vorobyov (12, CA)

Jay White (10, NY)

Albert Wu (9, CA)

Albert Wu (11, NJ)

Tianqi Wu (10, GA)

Dai Yang (9, CA)

Simeng Zhu (11, FL)

Martin Camacho (11, MN)

Hood Chatham (10, CA)

Matthew Dippel (12, NH)

Ryan Gao (11, ME)

Allan Gardner (10, CO)

Jeff Han (11, CA)

Jason Hoch (12, CT)

Kevin Hu (10, IL)

Lyndon Ji (9, IN)

Damien Jiang (11, NC)

Shelly Jin (12, FL)

Loi Le (12, ME)

Yitao Li (12, MD)

David Lu (9, MI)

Victor Luo (11, VA)

Casey Mihaloew (12, VA)

Bekezhan Nurkhaidarov (9, MD)

Ante Qu (10, NJ)

Kevin Sackel (12, NY)

Gaurav Singh (10, MN)

Emmanuel Souganidis (12, TX)

Alan Talmage (10, IA)

George Xing (11, CA)

Greg Yang (11, TX)

Jacob Banasek (12, OH)

Max Chang (12, NJ)

William Cyr (11, OH)

Fengning Ding (9, CA)

Emil Guliyev (12, NY)

Patrick Hulin (11, CT)

Rui Jin (12, CA)

Brian Kim (10, MD)

Vlad Kontsevoi (11, IL)

Jackson Looney (10, FL)

Yang Lu (10, NJ)

Marianna Mao (12, CA)

Kevin Shi (11, NJ)

Noah Taylor (10, OH)

Bayley Wang (11, CA)

Daniel Xia (11, NJ)

Chao Xu (12, NY)

David Xu (11, CA)

Shidan Xu (10, PA)

Isaac Bohart (9, NE)

Benjamin Cosman (11, CA)

Billy Dorminy (12, GA)

Michael Druggan (10, KY)

Christopher Eur (10, CA)

David Goldstein (12, MO)

Nathan Hatch (11, CO)

Calvin Hou (11, NJ)

David KE (10, CA)

Boyeon Kim (0, CT)

Johnny Li (10, CA)

Robert Lou (10, NC)

Shonak Patel (10, PA)

Anirudh Prabhu (9, IN)

Matthew Prince (12, MO)

Mark Velednitsky (11, NJ)

Zixiao Wang (10, NJ)

Ben Zauzmer (10, PA)

Luna Zhang (10, GA)

Rohan Bhale (11, MD)

Andrew Carter (12, NJ)

Yanping Chen (12, CA)

Christie Chiu (12, MA)

Alan Chou (11, AL)

John Christian (10, CA)

Esther Fainzilberg (12, NY)

Tony Ho (11, CA)

Kidai Kwon (11, VA)

Elmer Le (11, OR)

Greyson Lewis (11, VA)

Andrea Lincoln (11, CA)

Thomas Lu (9, NC)

Sei Masuoka (11, MD)

Margaret Meyerhofer (12, NY)

Mark O\'Meara (12, TX)

Kyle Stankowski (10, WI)

Sherilyn Tamagawa (11, HI)

Andi Wang (11, MA)

Jane Wang (11, NJ)

Yipu Wang (12, NY)

Shidan Xu (10, PA)

Allen Yang (9, NC)

Zhejun Zhou (11, CA)

Round 2

Score

Students

Vishal Arul (10, CA)

Yanping Chen (12, CA)

Alex Cole (11, CT)

Fengning Ding (9, CA)

Ryan Gao (11, ME)

Jason Hoch (12, CT)

Patrick Hulin (11, CT)

Archit Kulkarni (10, CA)

emilia liakhovitser (10, NY)

Keenan Monks (10, PA)

Tadd Phillips (12, OR)

Donlapark Pornnopparath (12, RI)

Ante Qu (10, NJ)

Kevin Sackel (12, NY)

Nicholas Su (11, CA)

Dennis Tseng (11, OH)

Anthony Wang (11, PA)

Michael Wu (10, NJ)

Tianqi Wu (10, GA)

Daniel Xia (11, NJ)

George Xing (11, CA)

Kerry Xing (11, WA)

David Yang (7, CA)

Greg Yang (11, TX)

Brian Zhang (10, CA)

QiuYi Zhang (11, CA)

Andy Zhu (12, NJ)

Wenyu Cao (10, NJ)

Yongyi Chen (9, MA)

Alan Chou (11, AL)

Calvin Deng (8, NC)

Sean Griffin (11, ME)

Travis Hance (11, OH)

Daniel Kriz (11, MI)

Patricia Li (12, CA)

Panupong Pasupat (12, DC)

Andrew Ryba (11, NY)

Aaron Schild (11, CA)

Gaurav Singh (10, MN)

Agustin Venezuela (12, CT)

Neal Wu (11, LA)

Ben Zinberg (11, NY)

Connor Ahlbach (12, CA)

Sterling Chu (12, MA)

Linyi Gao (12, ID)

Sam Keller (11, WA)

Alex Knoespel (10, WI)

Ethan Leeman (12, MA)

Ofir Nachum (11, MA)

Kate Rudolph (11, IL)

Matthew Stoffregen (12, PA)

Michael Vorobyov (12, CA)

Jay White (10, NY)

Albert Wu (11, NJ)

Dai Yang (9, CA)

Nina Budaeva (12, CA)

Martin Camacho (11, MN)

Alan Chang (11, CA)

Charles Chen (11, CA)

Toan Duc Phan (11, CT)

Amit Hazi (12, CA)

Anthony Kirckof (12, WI)

Colin Lu (11, NY)

Victor Luo (11, VA)

Marc Rasi (12, TX)

Andrew Carter (12, NJ)

Hood Chatham (10, CA)

Kevin Chen (10, TX)

Billy Dorminy (12, GA)

Kevin Hu (10, IL)

Santhosh Karnik (12, GA)

Yitao Li (12, MD)

Andrew Reiser (12, OR)

Noah Taylor (10, OH)

Ben Zauzmer (10, PA)

Kostya Borisov (10, PA)

Max Chang (12, NJ)

Megan Chen (8, IL)

Christopher Eur (10, CA)

Jeff Han (11, CA)

Xiaoyu He (9, MA)

Loi Le (12, ME)

Kevin Li (9, TX)

Kostyantyn Mazur (12, NJ)

Seth Neel (10, RI)

Anand Oza (11, MD)

Stephen Rong (11, KS)

Lena Sizikova (11, CA)

Geoffrey Smith (10, MA)

Emmanuel Souganidis (12, TX)

Elliot Wells (11, OH)

Allen Yang (9, NC)

Round 3

Score

Students

Calvin Deng (8, NC)

Amit Hazi (12, CA)

Santhosh Karnik (12, GA)

Sam Keller (11, WA)

Patricia Li (12, CA)

Yitao Li (12, MD)

Victor Luo (11, VA)

Kostyantyn Mazur (12, NJ)

Keenan Monks (10, PA)

Bekezhan Nurkhaidarov (9, MD)

Panupong Pasupat (12, DC)

David Patrick (10, CA)

Donlapark Pornnopparath (12, RI)

Andrew Ryba (11, NY)

Matthew Stoffregen (12, PA)

Michael Wu (10, NJ)

Brian Zhang (10, CA)

QiuYi Zhang (11, CA)

Andy Zhu (12, NJ)

Ben Zinberg (11, NY)

Luis Ares (12, FL)

Vishal Arul (10, CA)

George Arzeno (11, PR)

Wenyu Cao (10, NJ)

Patrick Hulin (11, CT)

Mohith Muddasani (12, NJ)

Gaurav Singh (10, MN)

Dennis Tseng (11, OH)

Agustin Venezuela (12, CT)

Michael Wehar (11, PA)

Elliot Wells (11, OH)

Albert Wu (11, NJ)

Daniel Xia (11, NJ)

Greg Yang (11, TX)

Martin Camacho (11, MN)

Hood Chatham (10, CA)

Alex Cole (11, CT)

Toan Duc Phan (11, CT)

Christopher Eur (10, CA)

Xinke Guo-Xue (10, AL)

Jason Hoch (12, CT)

Anthony Kirckof (12, WI)

Bowei Liu (10, CA)

Kevin Sackel (12, NY)

JJ Treadway (11, MI)

Michael Vorobyov (12, CA)

Albert Wu (9, CA)

Tianqi Wu (10, GA)

Kerry Xing (11, WA)

Christine Yan (10, NJ)

Kostya Borisov (10, PA)

Alan Chang (11, CA)

Sitan Chen (9, GA)

Fengning Ding (9, CA)

Ryan Gao (11, ME)

Boyeon Kim (0, CT)

Sushanth Kodali (11, NJ)

Benjamin Kraft (10, PA)

Daniel Kriz (11, MI)

Ethan Leeman (12, MA)

Andrei Markov (11, GA)

Ofir Nachum (11, MA)

Aaron Schild (11, CA)

Eric Schneider (8, NJ)

Geoffrey Smith (10, MA)

Dai Yang (9, CA)

Ben Zauzmer (10, PA)

Max Chang (12, NJ)

Alex Knoespel (10, WI)

Andrea Kriz (10, MI)

Ray Li (8, PA)

Seth Neel (10, RI)

Kate Rudolph (11, IL)

Lena Sizikova (11, CA)

Nicholas Su (11, CA)

David Yang (7, CA)

Alan Zhou (8, MA)

Alan Chou (11, AL)

John Christian (10, CA)

Jean Feng (12, CA)

Adisa Kruayatidee (10, NH)

Archit Kulkarni (10, CA)

Colin Lu (11, NY)

Sei Masuoka (11, MD)

Tadd Phillips (12, OR)

Shawn Qian (11, IN)

Andrew Reiser (12, OR)

Amit Saha (11, NY)

Mark Velednitsky (11, NJ)

Bayley Wang (11, CA)

George Xing (11, CA)

Allen Yang (9, NC)

Round 4

Score

Students

Luis Ares (12, FL)

Vishal Arul (10, CA)

Nina Budaeva (12, CA)

Martin Camacho (11, MN)

Wenyu Cao (10, NJ)

Alan Chang (11, CA)

Hood Chatham (10, CA)

Kevin Chen (10, TX)

Yongyi Chen (9, MA)

Alex Cole (11, CT)

William Cyr (11, OH)

Calvin Deng (8, NC)

Fengning Ding (9, CA)

Ryan Gao (11, ME)

Anthony Grebe (9, FL)

Amit Hazi (12, CA)

Xiaoyu He (9, MA)

Jason Hoch (12, CT)

Patrick Hulin (11, CT)

Santhosh Karnik (12, GA)

Sam Keller (11, WA)

Alex Knoespel (10, WI)

Sushanth Kodali (11, NJ)

Daniel Kriz (11, MI)

Patricia Li (12, CA)

Dylan Liu (11, NJ)

Mo Luo (9, CA)

Victor Luo (11, VA)

Kostyantyn Mazur (12, NJ)

Keenan Monks (10, PA)

Panupong Pasupat (12, DC)

Tadd Phillips (12, OR)

Donlapark Pornnopparath (12, RI)

Shawn Qian (11, IN)

Andrew Ryba (11, NY)

Matthew Stoffregen (12, PA)

Thomas Swayze (8, CA)

Alan Talmage (10, IA)

Noah Taylor (10, OH)

JJ Treadway (11, MI)

Dennis Tseng (11, OH)

Agustin Venezuela (12, CT)

Michael Vorobyov (12, CA)

Anthony Wang (11, PA)

Yipu Wang (12, NY)

Michael Wehar (11, PA)

Elliot Wells (11, OH)

Albert Wu (9, CA)

Albert Wu (11, NJ)

Tianqi Wu (10, GA)

Kerry Xing (11, WA)

Christine Yan (10, NJ)

Allen Yang (9, NC)

Brian Zhang (10, CA)

Andy Zhu (12, NJ)

Ben Zinberg (11, NY)

Kostya Borisov (10, PA)

John Christian (10, CA)

Andrea Kriz (10, MI)

Colin Lu (11, NY)

Mohith Muddasani (12, NJ)

Eric Schneider (8, NJ)

Gaurav Singh (10, MN)

Lena Sizikova (11, CA)

Shuli Song (11, CO)

Jay White (10, NY)

Greg Yang (11, TX)

Ben Zauzmer (10, PA)

QiuYi Zhang (11, CA)

Alan Zhou (8, MA)

Sitan Chen (9, GA)

Alan Chou (11, AL)

Toan Duc Phan (11, CT)

Ya Gao (12, PA)

Benjamin Kraft (10, PA)

Archit Kulkarni (10, CA)

David Lu (9, MI)

Sei Masuoka (11, MD)

Ante Qu (10, NJ)

Kevin Sackel (12, NY)

Alan Wagner (11, PR)

Bayley Wang (11, CA)

Michael Wu (10, NJ)

George Xing (11, CA)

David Xu (11, CA)

David Yang (7, CA)

Jacob Banasek (12, OH)

Xinke Guo-Xue (10, AL)

Eric Mannes (9, NY)

Andrei Markov (11, GA)

Matthew Prince (12, MO)

Andrew Reiser (12, OR)

Aaron Schild (11, CA)

Keaton Stubis (0, NY)

Lawrence Wu (8, TX)

Daniel Xia (11, NJ)

Matthew Dippel (12, NH)

Billy Dorminy (12, GA)

Sean Griffin (11, ME)

Ivan Huang (12, TX)

Anthony Kirckof (12, WI)

Ray Li (8, PA)

Margaret Meyerhofer (12, NY)

Kyle Stankowski (10, WI)

Zixiao Wang (10, NJ)

Zhejun Zhou (11, CA)

Yanping Chen (12, CA)

Karthik Choutagunta (11, TX)

Benjamin Cosman (11, CA)

Michael Druggan (10, KY)

David Goldstein (12, MO)

Nathan Hauke (11, VT)

Robin He (11, MI)

Tony Ho (11, CA)

Kevin Hu (10, IL)

William Juan (10, CT)

Yang Lu (10, NJ)

Bekezhan Nurkhaidarov (9, MD)

Alex Smith (10, MA)

Geoffrey Smith (10, MA)

Problem Statistics

Prob.

Score distribution

1/1

2/1

3/1

4/1

5/1

100

200

300

400

500

1/2

2/2

3/2

4/2

5/2

100

200

1/3

2/3

3/3

4/3

5/3

100

200

300

1/4

2/4

3/4

4/4

5/4

100

200

Score of 5

No answer

Problem	5	4	3	2	1	0	N/A	Average
1/1	150	143	111	31	39	23	30	3.53
2/1	268	63	27	44	45	37	43	3.73
3/1	169	68	58	41	72	47	72	3.18
4/1	282	20	15	8	55	49	98	3.74
5/1	147	16	11	70	86	77	120	2.60
1/2	223	16	20	14	6	3	4	4.51
2/2	98	89	29	14	26	17	13	3.62
3/2	90	14	21	25	11	40	85	3.13
4/2	117	23	24	17	20	45	40	3.26
5/2	65	18	11	31	17	49	95	2.66
1/3	149	56	45	22	18	2	11	3.99
2/3	175	40	13	20	23	7	25	4.09
3/3	83	15	63	61	29	11	41	3.11
4/3	122	18	13	31	30	12	77	3.60
5/3	58	19	33	43	41	9	100	2.92
1/4	207	22	7	5	6	1	4	4.68
2/4	155	19	18	16	7	5	32	4.29
3/4	111	19	10	19	25	3	65	3.87
4/4	100	14	33	22	32	5	46	3.55
5/4	149	11	12	14	11	1	54	4.36