Leaderboard for Year 21 (2009–2010)

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

Overall

Score

Students

Vishal Arul (11, CA)

Benjamin Gunby (10, MD)

Victor Wang (9, MO)

Jay White (11, NY)

Tianqi Wu (11, GA)

Benjamin Kraft (11, PA)

Noah Taylor (11, OH)

Calvin Deng (9, NC)

Eric Schneider (9, NJ)

Ben Zauzmer (11, PA)

Albert Wu (12, NJ)

Michael Wu (11, NJ)

Sitan Chen (10, GA)

Yimo Chen (9, NC)

Michael Druggan (11, KY)

Anthony Grebe (10, FL)

Carl Lian (11, MA)

Aaron Schild (12, CA)

Kerry Xing (12, WA)

Allen Yang (10, NC)

David Wise (11, CO)

Hood Chatham (11, CA)

Jiaqi Jiang (11, NY)

Nicholas Ryba (10, NY)

Kevin Tian (10, TX)

Danielle Wang (7, CA)

Michael Gao (9, NC)

Sam Keller (12, WA)

Bayley Wang (12, CA)

Alina Vorobyova (9, CA)

Alexander Dunlap (11, WA)

Marco Gentili (11, CA)

Keaton Stubis (11, NY)

Aaron Hui (11, TX)

Kevin Yin (11, CA)

Jeffrey Dudek (11, NC)

Xiaoyu He (10, MA)

Colin Pawlowski (12, NC)

Benjamin Wu (11, CA)

Katherine Cordwell (9, NM)

Ray Li (9, PA)

David Lu (10, MI)

Bobby Shen (9, TX)

Alan Chang (12, CA)

Dongho Choi (11, CA)

Eric Neyman (7, MD)

Alex Vaschillo (12, WA)

Yunhe Wang (11, NJ)

Evan Chen (8, CA)

Logan Crew (11, MD)

William Cyr (12, OH)

Xinke Guo-Xue (11, AL)

Alex Knoespel (11, WI)

Wenkai (Kevin) Lei (9, CA)

Keenan Monks (11, PA)

Michael Tan (11, NJ)

George Xing (12, CA)

Jeffrey Yan (9, CA)

Young Soo Jang (11, GA)

Colin Lu (12, NY)

Alan Wagner (12, PR)

Tom Guo (12, WA)

George Arzeno (12, PR)

Charlie Beard (11, MO)

Lewis Chen (8, CA)

Benjamin Li (10, CA)

Sei Masuoka (12, MD)

Jongwhan Park (9, NJ)

Yuanqing (Kai) Xiao (9, CA)

Leon Zhang (11, TN)

Dhroova Aiylam (9, MA)

Jesse Kim (9, CA)

Luna Zhang (11, GA)

Jeffrey Cai (8, NJ)

Reed LaFleche (11, NY)

Henry Meng (10, NJ)

Zixiao Wang (11, NJ)

Abubakar Abid (11, GA)

Matthew Colen (11, NJ)

Brian Kim (11, MD)

Bufang Liang (12, NJ)

Thomas Lu (10, NC)

Eric Mannes (10, NY)

Lilly Shen (9, TX)

Kushal Agarwal (9, OR)

Matthew Davidow (11, MA)

Anthony Erb (10, PR)

Johnny Ho (9, CA)

Jason Liang (9, NC)

Maximilian Schindler (9, MO)

David Schwein (10, CO)

Sergey Smirnov (9, CA)

Yonglin Wu (11, CA)

Eugene Chen (8, CA)

Jonathan Tidor (8, MA)

Lilly Chin (9, GA)

John Christian (11, CA)

Kostya Borisov (11, PA)

Mitchell Lee (10, VA)

Marcos Pertierra (9, PR)

Round 1

Score

Students

Vishal Arul (11, CA)

Wenyu Cao (11, NJ)

Kevin Chen (11, TX)

Katherine Cordwell (9, NM)

Michael Druggan (11, KY)

Benjamin Gunby (10, MD)

Benjamin Kraft (11, PA)

Mitchell Lee (10, VA)

Carl Lian (11, MA)

Thomas Lu (10, NC)

Eric Schneider (9, NJ)

Noah Taylor (11, OH)

Bayley Wang (12, CA)

Jay White (11, NY)

Albert Wu (12, NJ)

Tianqi Wu (11, GA)

Ben Zauzmer (11, PA)

Alan Zhou (9, MA)

Ben Zinberg (12, NY)

William Cyr (12, OH)

Fengning Ding (10, CA)

Ankan Ganguly (11, MN)

Anthony Grebe (10, FL)

Sean Griffin (12, ME)

Young Soo Jang (11, GA)

Jiaqi Jiang (11, NY)

Sachin Shinde (12, IN)

Victor Wang (9, MO)

Michael Wu (11, NJ)

Kerry Xing (12, WA)

Andrea Kriz (11, MI)

Wenkai (Kevin) Lei (9, CA)

Ray Li (9, PA)

Eric Mannes (10, NY)

Mikhail Rudoy (10, NY)

Sergey Smirnov (9, CA)

Keaton Stubis (11, NY)

Thomas Swayze (9, CA)

Kevin Tian (10, TX)

Anthony Wang (12, PA)

Danielle Wang (7, CA)

Benjamin Wu (11, CA)

Christine Yan (11, NJ)

Rohan Bhale (12, MD)

Hood Chatham (11, CA)

Sitan Chen (10, GA)

Dongho Choi (11, CA)

Alex Cole (12, CT)

Calvin Deng (9, NC)

Jeffrey Dudek (11, NC)

Christopher Eur (11, CA)

Michael Gao (9, NC)

Marco Gentili (11, CA)

Calvin Huang (8, CA)

Aaron Hui (11, TX)

Jeffrey Jiang (9, CA)

Nolan Kamitaki (12, HI)

Sam Keller (12, WA)

Alex Knoespel (11, WI)

Vlad Kontsevoi (12, IL)

Mo Lam (12, NY)

Jason Liang (9, NC)

Che-Cheng Lien (11, WA)

James Lim (10, MA)

Jackson Looney (11, FL)

Evan O'Dorney (11, CA)

Edward Park (8, GA)

Nicholas Ryba (10, NY)

Michael Tan (11, NJ)

Alina Vorobyova (9, CA)

Alan Wagner (12, PR)

Anderson Wang (10, PA)

David Wise (11, CO)

George Xing (12, CA)

Allen Yang (10, NC)

Laura Zehender (12, VA)

Leon Zhang (11, TN)

Luna Zhang (11, GA)

Nathan Alison (12, TX)

Lewis Chen (8, CA)

Yimo Chen (9, NC)

Matthew Colen (11, NJ)

Alexander Dunlap (11, WA)

Sohail Farhangi (9, VA)

Xinke Guo-Xue (11, AL)

David Lu (10, MI)

Yang Lu (11, NJ)

Keenan Monks (11, PA)

Michael Scheer (10, NY)

David Schwein (10, CO)

Zixiao Wang (11, NJ)

Qingyang Xi (12, MA)

Greg Yang (12, TX)

Devin Zhang (12, MD)

Jesse Zhang (7, CO)

Abubakar Abid (11, GA)

Kushal Agarwal (9, OR)

Dhroova Aiylam (9, MA)

George Arzeno (12, PR)

Meena Boppana (10, NY)

Kostya Borisov (11, PA)

Martin Camacho (12, MN)

Lilly Chin (9, GA)

Logan Crew (11, MD)

Ryan Gao (12, ME)

Tom Guo (12, WA)

Jesse Kim (9, CA)

Kyumin Kim (12, CA)

Spencer Kim (11, MI)

Bhanu Kumar (12, GA)

Andrei Markov (12, GA)

Seth Neel (11, RI)

Eric Neyman (7, MD)

David Patrick (12, CA)

Colin Pawlowski (12, NC)

Alex Rusciano (12, TX)

Aaron Schild (12, CA)

JJ Treadway (12, MI)

Alex Vaschillo (12, WA)

Mark Velednitsky (12, NJ)

Yunhe Wang (11, NJ)

Yuanqing (Kai) Xiao (9, CA)

Yifeng Xu (10, UT)

Kevin Yin (11, CA)

Round 2

Score

Students

Vishal Arul (11, CA)

Soumya Basu (11, CA)

Wenyu Cao (11, NJ)

Matthew Davidow (11, MA)

Calvin Deng (9, NC)

Fengning Ding (10, CA)

Alexander Dunlap (11, WA)

Benjamin Gunby (10, MD)

Jiaqi Jiang (11, NY)

Benjamin Kraft (11, PA)

Jason Li (10, MA)

Carl Lian (11, MA)

Thomas Lu (10, NC)

Evan O'Dorney (11, CA)

David Patrick (12, CA)

Aaron Schild (12, CA)

Michael Tan (11, NJ)

Noah Taylor (11, OH)

JJ Treadway (12, MI)

Victor Wang (9, MO)

Jay White (11, NY)

David Wise (11, CO)

Albert Wu (12, NJ)

Michael Wu (11, NJ)

Kerry Xing (12, WA)

Yifeng Xu (10, UT)

Jeffrey Zhao (10, MO)

Ben Zinberg (12, NY)

Kostya Borisov (11, PA)

Alan Chang (12, CA)

Evan Chen (8, CA)

Sitan Chen (10, GA)

Yimo Chen (9, NC)

Katherine Cordwell (9, NM)

Michael Druggan (11, KY)

Jeffrey Dudek (11, NC)

Michael Gao (9, NC)

Marco Gentili (11, CA)

Tom Guo (12, WA)

Xinke Guo-Xue (11, AL)

Xiaoyu He (10, MA)

Johnny Ho (9, CA)

Aaron Hui (11, TX)

Brian Kim (11, MD)

Stephen Lamontagne (10, RI)

Mitchell Lee (10, VA)

Che-Cheng Lien (11, WA)

James Lim (10, MA)

Colin Pawlowski (12, NC)

Mikhail Rudoy (10, NY)

Nicholas Ryba (10, NY)

Eric Schneider (9, NJ)

David Schwein (10, CO)

Caleb Stanford (10, UT)

Keaton Stubis (11, NY)

Peter Su (10, MI)

Bayley Wang (12, CA)

Yunhe Wang (11, NJ)

Benjamin Wu (11, CA)

Tianqi Wu (11, GA)

Yuanqing (Kai) Xiao (9, CA)

Jeffrey Yan (9, CA)

Kevin Yin (11, CA)

Ben Zauzmer (11, PA)

Alan Zhou (9, MA)

Abubakar Abid (11, GA)

Kushal Agarwal (9, OR)

George Arzeno (12, PR)

Charlie Beard (11, MO)

Hood Chatham (11, CA)

Dongho Choi (11, CA)

Alex Cole (12, CT)

Logan Crew (11, MD)

Anthony Erb (10, PR)

Ankan Ganguly (11, MN)

Ryan Gao (12, ME)

Anthony Grebe (10, FL)

Sean Griffin (12, ME)

Rolland He (10, MI)

Sam Keller (12, WA)

Benjamin Li (10, CA)

Bufang Liang (12, NJ)

David Lu (10, MI)

Sei Masuoka (12, MD)

Keenan Monks (11, PA)

Karen Ouyang (9, CA)

Ramya Rangan (10, CA)

Maximilian Schindler (9, MO)

Lilly Shen (9, TX)

Kevin Shi (12, NJ)

Bertilla Sieben (9, AZ)

Nicholas Su (12, CA)

Scott Su (10, MI)

Kevin Tian (10, TX)

Alex Vaschillo (12, WA)

Anderson Wang (10, PA)

Danielle Wang (7, CA)

George Xing (12, CA)

Allen Yang (10, NC)

Luna Zhang (11, GA)

Joey Zou (10, PA)

Eugene Chen (8, CA)

Kevin Chen (11, TX)

William Cyr (12, OH)

Andrew Ding (12, GA)

Matthew Jin (9, CA)

Jesse Kim (9, CA)

Alex Knoespel (11, WI)

Mo Lam (12, NY)

Wenkai (Kevin) Lei (9, CA)

Eric Neyman (7, MD)

Matthew Rauen (10, PA)

Wesley Yu (11, CA)

Leon Zhang (11, TN)

Dhroova Aiylam (9, MA)

Matthew Colen (11, NJ)

Sohail Farhangi (9, VA)

Calvin Huang (8, CA)

Reed LaFleche (11, NY)

Ray Li (9, PA)

Kevin Liu (8, WA)

Eric Mannes (10, NY)

Jongwhan Park (9, NJ)

Michael Scheer (10, NY)

Alina Vorobyova (9, CA)

Alexandr Wang (7, NM)

Anthony Wang (12, PA)

Kevin Wu (10, MI)

Jesse Zhang (7, CO)

Leon Zhou (12, CA)

Rohan Bhale (12, MD)

Lewis Chen (8, CA)

Vahid Fazel-Rezai (8, ND)

Michael Huang (11, PA)

Colin Lu (12, NY)

Andrei Markov (12, GA)

Henry Meng (10, NJ)

Seth Neel (11, RI)

Marcos Pertierra (9, PR)

Minh-Tam Trinh (12, WI)

Mark Velednitsky (12, NJ)

Alan Wagner (12, PR)

Zixiao Wang (11, NJ)

Laura Zehender (12, VA)

Round 3

Score

Students

Vishal Arul (11, CA)

Sitan Chen (10, GA)

Yimo Chen (9, NC)

Calvin Deng (9, NC)

Marco Gentili (11, CA)

Evan O'Dorney (11, CA)

Aaron Schild (12, CA)

Bobby Shen (9, TX)

Alina Vorobyova (9, CA)

Victor Wang (9, MO)

Jay White (11, NY)

Michael Wu (11, NJ)

Tianqi Wu (11, GA)

Kerry Xing (12, WA)

Allen Yang (10, NC)

Kevin Yin (11, CA)

Ben Zauzmer (11, PA)

Hood Chatham (11, CA)

Benjamin Gunby (10, MD)

Mitchell Lee (10, VA)

Colin Lu (12, NY)

Eric Schneider (9, NJ)

Michael Druggan (11, KY)

Anthony Grebe (10, FL)

Benjamin Kraft (11, PA)

Nicholas Ryba (10, NY)

Noah Taylor (11, OH)

Albert Wu (12, NJ)

George Arzeno (12, PR)

Eugene Chen (8, CA)

Michael Gao (9, NC)

Xiaoyu He (10, MA)

Young Soo Jang (11, GA)

Carl Lian (11, MA)

Kevin Tian (10, TX)

Charlie Beard (11, MO)

Wenyu Cao (11, NJ)

Katherine Cordwell (9, NM)

Matthew Davidow (11, MA)

Alexander Dunlap (11, WA)

Anthony Erb (10, PR)

Grace Gee (11, TX)

Jiaqi Jiang (11, NY)

Sam Keller (12, WA)

Benjamin Li (10, CA)

Che-Cheng Lien (11, WA)

Thomas Lu (10, NC)

Eric Mannes (10, NY)

Jongwhan Park (9, NJ)

Colin Pawlowski (12, NC)

Marcos Pertierra (9, PR)

Keaton Stubis (11, NY)

Michael Tan (11, NJ)

JJ Treadway (12, MI)

Minh-Tam Trinh (12, WI)

Danielle Wang (7, CA)

David Wise (11, CO)

Jeffrey Yan (9, CA)

Wesley Yu (11, CA)

Leon Zhang (11, TN)

QiuYi Zhang (12, CA)

Alan Zhou (9, MA)

Kushal Agarwal (9, OR)

Jeffrey Cai (8, NJ)

Grant Carlson (10, GA)

Alan Chang (12, CA)

Jeffrey Dudek (11, NC)

John Gee (9, TX)

Xinke Guo-Xue (11, AL)

Jason Liang (9, NC)

David Lu (10, MI)

David Patrick (12, CA)

Mikhail Rudoy (10, NY)

Peter Su (10, MI)

Scott Su (10, MI)

Alan Wagner (12, PR)

Elliot Wells (12, OH)

Lawrence Wu (9, TX)

Yonglin Wu (11, CA)

Ben Zinberg (12, NY)

Round 4

Score

Students

Evan Chen (8, CA)

Yimo Chen (9, NC)

Calvin Deng (9, NC)

Anthony Grebe (10, FL)

Benjamin Gunby (10, MD)

Sam Keller (12, WA)

Benjamin Kraft (11, PA)

Bobby Shen (9, TX)

Noah Taylor (11, OH)

Jonathan Tidor (8, MA)

Danielle Wang (7, CA)

Victor Wang (9, MO)

David Wise (11, CO)

Tianqi Wu (11, GA)

Dhroova Aiylam (9, MA)

Vishal Arul (11, CA)

Sitan Chen (10, GA)

Dongho Choi (11, CA)

Xiaoyu He (10, MA)

Ray Li (9, PA)

Eric Neyman (7, MD)

Angad Rekhi (12, IL)

Aaron Schild (12, CA)

Eric Schneider (9, NJ)

Kevin Tian (10, TX)

Jay White (11, NY)

Allen Yang (10, NC)

Bryan Cai (9, PA)

Alan Chang (12, CA)

Hood Chatham (11, CA)

Logan Crew (11, MD)

Michael Druggan (11, KY)

Michael Gao (9, NC)

Aaron Hui (11, TX)

Wenkai (Kevin) Lei (9, CA)

Carl Lian (11, MA)

Bufang Liang (12, NJ)

Dean Menezes (10, TX)

Keenan Monks (11, PA)

Nicholas Ryba (10, NY)

Alex Vaschillo (12, WA)

Bayley Wang (12, CA)

Yunhe Wang (11, NJ)

Albert Wu (12, NJ)

Ben Zauzmer (11, PA)

Lilly Chin (9, GA)

William Cyr (12, OH)

Alexander Dunlap (11, WA)

Johnny Ho (9, CA)

Jiaqi Jiang (11, NY)

Jesse Kim (9, CA)

David Lu (10, MI)

Henry Meng (10, NJ)

Colin Pawlowski (12, NC)

Minh-Tam Trinh (12, WI)

Alina Vorobyova (9, CA)

Zixiao Wang (11, NJ)

Michael Wu (11, NJ)

QiuYi Zhang (12, CA)

Charlie Beard (11, MO)

Jeffrey Dudek (11, NC)

William Juan (11, CT)

Jason Liang (9, NC)

Sei Masuoka (12, MD)

Keaton Stubis (11, NY)

Benjamin Wu (11, CA)

Lawrence Wu (9, TX)

Jeffrey Cai (8, NJ)

Grant Carlson (10, GA)

Lewis Chen (8, CA)

Matthew Colen (11, NJ)

Netanel Friedenberg (12, NJ)

Alexander Katz (7, NJ)

Alex Knoespel (11, WI)

Reed LaFleche (11, NY)

Colin Lu (12, NY)

Jongwhan Park (9, NJ)

Marcos Pertierra (9, PR)

Maximilian Schindler (9, MO)

Lilly Shen (9, TX)

Sergey Smirnov (9, CA)

Caleb Stanford (10, UT)

Alan Wagner (12, PR)

Kevin Wu (10, MI)

Yuanqing (Kai) Xiao (9, CA)

George Xing (12, CA)

Kerry Xing (12, WA)

Problem Statistics

Prob.

Score distribution

1/1

2/1

3/1

4/1

5/1

100

200

300

400

500

600

1/2

2/2

3/2

4/2

5/2

100

200

300

400

1/3

2/3

3/3

4/3

5/3

100

200

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	289	49	143	97	50	3	36	3.67
2/1	329	120	76	37	46	5	54	4.03
3/1	220	52	33	36	77	74	175	3.16
4/1	36	9	27	177	47	70	301	1.91
5/1	162	44	43	107	32	54	225	3.08
1/2	247	79	42	26	21	1	12	4.21
2/2	207	44	23	45	33	24	52	3.73
3/2	197	29	21	19	48	15	99	3.80
4/2	147	24	37	27	14	39	140	3.51
5/2	51	121	51	13	23	75	94	2.82
1/3	181	6	10	8	14	42	31	3.79
2/3	140	25	10	31	32	6	48	3.79
3/3	100	4	24	4	37	79	44	2.55
4/3	119	33	21	13	19	31	56	3.54
5/3	31	7	7	14	68	44	121	1.75
1/4	171	7	35	13	9	3	4	4.30
2/4	100	42	22	15	24	9	30	3.72
3/4	103	17	12	4	14	25	67	3.66
4/4	118	15	7	5	32	15	50	3.71
5/4	38	23	20	15	24	26	96	2.71