Seobin (Dalton) Chang

2017

Win/Loss Statistics

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Victories 26 - - - - 26
Losses 24 - - - - 24
Win Ratio 52.0% - - - - 52.0%
Pool Victories 16 - - - - 16
Pool Losses 18 - - - - 18
Pool Win Ratio 47.1% - - - - 47.1%
DE Victories 10 - - - - 10
DE Losses 6 - - - - 6
DE Win Ratio 62.5% - - - - 62.5%

Note: Seasons start on August 1st and end on July 31st.

Scores

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Easy wins† 7 - - - - 7
Easy wins as % of wins 26.9% - - - - 26.9%
Close wins‡ 8 - - - - 8
Close wins as % of all wins 30.8% - - - - 30.8%
Close losses‡ 4 - - - - 4
Close losses as % of all losses 16.7% - - - - 16.7%
Big losses† 6 - - - - 6
Big losses as % of all losses 25.0% - - - - 25.0%

† Easy victories or big losses are those with the score difference of 4 or more touches in a pool, 7 or more touches in direct elimination, and 5 or more in veteran and youth direct elimination.
‡ Close bouts are those with the score difference of 1 or fewer touches in a pool, 3 or fewer touches in direct elimination, or 2 or fewer touches in veteran or youth direct elimination.

Bouts with Time Expired

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Victories 2 - - - - 2
Victories as % of all victories 7.7% - - - - 7.7%
Losses 3 - - - - 3
Losses as % of all losses 12.5% - - - - 12.5%
Total 5 - - - - 5
Total as % of all bouts 10.0% - - - - 10.0%

Events

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Events 7 - - - - 7
Tournaments 5 - - - - 5

Competition History

UFA Foil Cup #2 - Y8, Y10, Y12, D & Under

Y-8 Mixed Foil (U, Y8), February 22, 2026
Place 6 of 11, Seed 3, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 1:3 WU William 5 U 3 Socal Fencing Center 645 412 28.2 35%
Pool D 3:5 NACU Andre 8 U 3 Socal Fencing Center 372 384 37.9 51%
Pool V 5:1 LOMELI Faora 11 U 9 United Fencing Academy
Pool V 2:1 PARK Ethan 4 U 1 La International Fencing / Precision Athletics Fencing Club 621 346 48.8 33%
Pool V 5:2 QUINN Grant 10 U 11 United Fencing Academy 329 395 27.1 54%
T16 V 10:1 QUINN Grant 10 U 11 United Fencing Academy 2500 1447 111.6 16%
T8 D 5:6 WU William 5 U 3 Socal Fencing Center 1385 1559 108.4 60%

UFA Foil Cup #2 - Y8, Y10, Y12, D & Under

Y-10 Mixed Foil (U, Y10), February 22, 2026
Place 14 of 16, Seed 7, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 3:5 SANGANI Niam 4 U 3 Socal Fencing Center 763 532 32.7 36%
Pool V 5:2 KUK Sophie 17 U 13 Socal Fencing Center
Pool D 2:5 SASOMSUP Kaison 11 U 9 United Fencing Academy 419 499 47.6 55%
Pool D 2:5 WU Kangdi 5 U 11 La International Fencing 485 451 39.3 48%
T16 D 7:8 VIVAS Greyson 1 U 5 Socal Fencing Center 712 1690 242.7 92%

LAIFC OC Rising Stars Foil #11

Y-10 Men's Foil (None, Y10), February 15, 2026
Place 6 of 12, Seed 2, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:2 PARK Ethan 7 U 1 LA International Fencing 672 408 78.5 34%
Pool D 3:5 WANG Arthur 12 U 12 LA International Fencing 180 487 68.0 67%
Pool V 3:2 WU William 6 U 7 Socal Fencing Center 653 419 67.8 35%
Pool V 5:4 NGUYEN Rhys 11 U 10 Precision Athletics Fencing Club 478 486 46.6 50%
Pool D 2:5 LIM Derek 3 U 5 2632 533 1.3 1%
T16 V 10:9 WANG Arthur 12 U 12 LA International Fencing 1290 1909 56.6 76%
T8 D 1:10 CHANG Seoryang 8 U 3 SoCAL Fencing Center 1078 1966 275.7 89%

San Diego Cup - Youth Foil #1

Y-8 Mixed Foil (U, Y8), September 28, 2025
Place 2 of 12, Seed 10, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 4:5 FOO Preston 3 U 7 SoCAL Fencing Center 186 588 97.3 72%
Pool V 5:1 SHEN Lexi 12 U 10 SoCAL Fencing Center
Pool V 5:2 HAN Joy 6 U 12 San Diego Fencing Center
Pool D 1:5 DAI Claire 11 U 1 Golubitsky Fencing Center
Pool D 4:5 WU William 2 U 5 Socal Fencing Center 282 490 81.9 63%
T16 V 10:7 SHEN Lexi 12 U 10 SoCAL Fencing Center
T8 V 10:5 WU William 2 U 5 Socal Fencing Center 1202 1570 112.1 69%
T4 V 10:6 LIU Kyle 1 U 3 Elite International Fencers Club 2829 1683 226.6 12%
T2 D 1:10 DAI Claire 11 U 1 Golubitsky Fencing Center

San Diego Cup - Youth Foil #1

Y-10 Men's Foil (U, Y10), September 28, 2025
Place 9 of 13, Seed 8, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:1 DING Jason 9 U 11 SoCAL Fencing Center 55 742 39.0 82%
Pool D 2:5 WU William 3 U 3 Socal Fencing Center 216 781 180.8 80%
Pool D 0:5 LIU Jordan 2 U 7 Golubitsky Fencing Center 814 600 66.6 37%
Pool V 5:2 GONG Luke 13 U 10 San Diego Fencing Center 597 533 84.7 46%
Pool D 2:5 HUANG Owen 6 U 1 Socal Fencing Center 1193 618 30.6 19%
T16 D 7:10 NACU Andre 4 U 8 SoCAL Fencing Center 1380 1916 345.9 75%

Fortune ROC/RJCC/RYC

Y-8 Men's Foil (U, Y8), August 31, 2025
Place 15 of 24, Seed 10, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:3 GAO Ethan 3 U 5 Socal Fencing Center 129 1213 37.8 93%
Pool V 5:2 HO Karsten 6 U 8 Prime Fencing Academy 900 1251 121.5 68%
Pool D 3:5 ZHANG Bowen 22 U 10 Silicon Valley Fencing Center 2565 1373 33.4 13%
Pool D 3:5 TAN Austin 14 U 7 Maximum Fencing Club 358 1339 338.7 91%
Pool D 2:5 CUI Heng Yi 20 U 16 Universal Swords and Fitness 73 1001 258.9 90%
T32 V 10:8 XIE Chen 15 U 19 Silicon Valley Fencing Center 1062 3021 22.2 98%
T16 D 3:10 LIN Evan 21 U 1 Socal Fencing Center 1193 3044 1127.2 98%

LAIFC OC Rising Stars Foil #9

Y-8 Mixed Foil (U, Y8), August 24, 2025
Place 1 of 12, Seed 7, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:1 FOO Preston 8 U 9 SoCAL Fencing Center 2500 2500 420.5 50%
Pool D 3:5 SOTTO Oscar 2 U 5 LA International Fencing 2500 2921 424.5 63%
Pool D 1:5 ZHANG Kingsley 6 U 2 LA International Fencing Center 210 2496 1328.0 > 99%
Pool V 5:4 DANIEL Meng 11 U 7 Golubitsky Fencing Center 111 1168 45.4 92%
Pool V 5:4 CHO Aerin 3 U 11 Golubitsky Fencing Center
T16 V 10:5 CHO Aerin 3 U 11 Golubitsky Fencing Center
T8 V 10:6 SOTTO Oscar 2 U 5 LA International Fencing 2500 2500 420.5 50%
T4 V 10:7 CHANG Seoryang 5 U 3 SoCAL Fencing Center 1098 2921 39.9 97%
T2 V 10:9 ZHANG Kingsley 6 U 2 LA International Fencing Center 1449 2960 60.8 94%