Sierra Jeanson

2012

Win/Loss Statistics

2024-2025 2023-2024 2022-2023 2021-2022 Before 2021 All Time
Victories 7 17 9 - - 33
Losses 10 47 21 - - 78
Win Ratio 41.2% 26.6% 30.0% - - 29.7%
Pool Victories 4 13 8 - - 25
Pool Losses 8 39 16 - - 63
Pool Win Ratio 33.3% 25.0% 33.3% - - 28.4%
DE Victories 3 4 1 - - 8
DE Losses 2 8 5 - - 15
DE Win Ratio 60.0% 33.3% 16.7% - - 34.8%

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

Scores

2024-2025 2023-2024 2022-2023 2021-2022 Before 2021 All Time
Easy wins† 3 6 4 - - 13
Easy wins as % of wins 42.9% 35.3% 44.4% - - 39.4%
Close wins‡ 1 3 1 - - 5
Close wins as % of all wins 14.3% 17.6% 11.1% - - 15.2%
Close losses‡ 2 6 3 - - 11
Close losses as % of all losses 20.0% 12.8% 14.3% - - 14.1%
Big losses† 5 26 11 - - 42
Big losses as % of all losses 50.0% 55.3% 52.4% - - 53.8%

† 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.

Events

2024-2025 2023-2024 2022-2023 2021-2022 Before 2021 All Time
Events 2 9 5 - - 16
Tournaments 2 8 5 - - 15

Competition History

AFM Super Regional SYC/RJCC/ROC Div1A/Vet

Y-12 Women's Foil (C2, Y12), October 25, 2024
Place 58 of 108, Seed 65, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool W 5:2 NAKAZATO Olivia 97 U 64 Rain City Fencing Center 807 657 18.2 40%
Pool L 1:5 ZHOU Chenchu 33 E23 1 2592 675 0.1 < 1%
Pool L 1:5 LI Joy 1 4 C23 29 Silicon Valley Fencing Center 1941 675 0.9 2%
Pool L 3:5 AHN Hayley 32 104 U 39 Silicon Valley Fencing Center 1002 674 9.2 29%
Pool W 5:1 CHEN Catherine 107 U 108 Orange County International Fencers Club 588 665 13.3 55%
Pool L 4:5 PAN Samantha 64 U 38 Bay Area Fencing Club / Bay Area Fencing Club Pleasanton 1135 678 7.1 23%
T128 W 15:8 DESAI Zoya 102 U 72 Precision Athletics Fencing Club 1377 1243 59.0 42%
T64 L 6:15 ZHOU Joi 5 19 E24 2 LA International Fencing / Orange County Fencing Center 1833 1302 20.5 20%

Fortune ROC/RJCC/RYC

Y-12 Women's Foil (U, Y12), August 31, 2024
Place 16 of 70, Seed 33, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 0:5 LIU Ashley 8 42 U 5 Socal Fencing Center 1359 655 4.7 12%
Pool L 4:5 YU Xintong 48 U 48 Silicon Valley Fencing Center 711 650 14.9 46%
Pool L 3:5 CHENG Audrey 67 U 35 Silicon Valley Fencing Center 1065 635 8.2 24%
Pool L 2:5 MCLANAHAN Jasmine 29 U 19 Massialas Foundation (M Team) 891 627 10.8 33%
Pool W 5:1 FAN Lauren 52 U 70 Golubitsky Fencing Center 511 617 13.5 57%
Pool W 5:3 CHEN Aimee 13 69 U 53 1173 630 26.5 19%
T64 W 15:12 DESAI Zoya 60 U 33 Precision Athletics Fencing Club 1385 1129 81.4 34%
T32 W 15:9 HOM Emma 43 U 19 Massialas Foundation (M Team) 1223 1210 56.4 49%
T16 L 8:15 MA Isabelle 5 33 U 3 Bay Area Fencing Club 1784 1267 23.5 21%

National Championships and July Challenge (Summer Nationals)

Y-12 Women's Foil (B2/C3, Y12), July 7, 2024
Place 212 of 254, Seed 146, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 1:5 JOO Natalie 3 3 C24 2 Top Fencing Club 2194 651 0.3 1%
Pool L 3:5 LEE Zoe E. 77 96 U 92 Silicon Valley Fencing Center 1404 650 4.4 11%
Pool L 4:5 SHANG Arianna 225 U 185 Moe Fencing Club LLC 1142 646 7.7 21%
Pool L 0:5 ETIKALA Saanvi 223 U 202 Fencing Institute Of Texas 697 638 15.6 46%
Pool L 2:5 HUANG Natalie 72 90 E24 40 Plymouth/Ann Arbor Fencing Academy 1514 623 3.0 7%
Pool W 5:4 ZHANG Viviana 151 U 183 Golubitsky Fencing Center 1374 620 35.5 11%

Bay Cup at HALB: Y10WF1, Y12WF1, Y14WF1

Y-14 Women's Foil (U, Y14), May 12, 2024
Place 12 of 13, Seed 13, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 4:5 JOESUF Aurielle 5 U 8 Halberstadt Fencers' Club 720 686 17.5 48%
Pool L 1:5 AHN Hayley 9 U 7 Silicon Valley Fencing Center 833 669 14.4 39%
Pool W 5:2 IRELAND Moira 4 U 13 Halberstadt Fencers' Club 554 655 15.5 57%
Pool L 2:5 HUGHES Bailey 1 U 6 Halberstadt Fencers' Club 1044 670 9.8 27%
Pool L 1:5 HSIAO Ariya 8 U 1 Silicon Valley Fencing Center 1293 660 5.9 15%
Pool L 2:5 MA Isabelle 12 U 2 Bay Area Fencing Club 1496 654 3.6 8%
T16 L 3:15 ARYA Leela 3 U 3 Golden State Fencing Academy 1620 1161 32.2 24%

Bay Cup at HALB: Y10WF1, Y12WF1, Y14WF1

Y-12 Women's Foil (U, Y12), May 12, 2024
Place 11 of 29, Seed 9, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool W 5:4 IRELAND Moira 2 U 20 Halberstadt Fencers' Club 567 617 18.6 53%
Pool L 3:5 HOM Avery 13 U 1 Massialas Foundation (m Team) 1414 636 4.8 10%
Pool W 5:2 LAM Dorris Yandor 25 U 23 Silicon Valley Fencing Center 466 631 15.2 60%
Pool W 5:0 HONDA Emi 19 U 26 Silicon Valley Fencing Center 366 646 12.7 68%
Pool W 5:4 ZHAN Catherine 23 U 14 Silicon Valley Fencing Center 988 659 27.7 29%
T32 W 15:7 HONDA Emi 19 U 26 Silicon Valley Fencing Center 525 1215 24.4 84%
T16 L 11:15 VALOUEVA Katerina 17 U 8 Silicon Valley Fencing Center 1102 1239 78.4 58%

5th Annual Precision RYC and RJC

Y-12 Women's Foil (C2, Y12), April 13, 2024
Place 57 of 70, Seed 34, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 0:5 DAI Iris Yuyang 7 36 D24 17 Golubitsky Fencing Center 1521 646 4.2 8%
Pool L 1:5 CHAN Ella 15 75 U 23 Massialas Foundation (M Team) 1339 642 6.5 13%
Pool W 5:2 DONG Nancy 46 U 63 Silicon Valley Fencing Center 514 635 18.0 58%
Pool L 3:5 LING Camryn 27 124 U 36 LA International Fencing 1088 653 10.7 24%
Pool L 1:5 LIM Kora 47 U 43 SoCAL Fencing Center 868 642 15.0 36%
Pool L 2:5 DESAI Zoya 68 U 26 Precision Athletics Fencing Club 1056 627 10.4 24%
T64 L 2:15 KIM Sydney 5 33 D24 5 Elite Fencing Club 1982 1237 22.3 12%

MFA Y8, Y10, Y12, Senior (unrated only) - All foil event

Y-12 Mixed Foil (U, Y12), March 17, 2024
Place 31 of 35, Seed 22, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 1:5 JUE Lucas 10 U 13 Massialas Foundation (M Team)
Pool L 3:5 LIU Mia 30 U 21 Silicon Valley Fencing Center 587 707 27.1 58%
Pool L 0:5 NEUMANN Erika 21 U 2 Golden State Fencing Academy / Prime Fencing Academy 1209 680 9.7 19%
Pool L 4:5 FISCHER Grant 35 U 30 Marin Fencing Academy LLC
Pool L 4:5 YU Xintong 11 U 22 Silicon Valley Fencing Center 605 670 24.1 54%
Pool L 1:5 YANG Steve 1 U 5 Silicon Valley Fencing Center
T64 W 15:9 CHOI William 34 U 34 Prime Fencing Academy / Piedmont Fencing Team
T32 L 5:15 MA Isabelle 18 U 9 Bay Area Fencing Club 1774 1276 38.7 22%

Treasure Chest RYC

Y-12 Women's Foil (U, Y12), January 15, 2024
Place 39 of 68, Seed 26, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 1:5 MIYOSHI Kylie 54 U 13 Maximum Fencing Club 1171 683 12.2 22%
Pool W 5:1 RAJESH Amulya 46 U 68 Silicon Valley Fencing Center 489 670 18.8 61%
Pool L 1:5 ZHAN Catherine 11 103 U 33 Silicon Valley Fencing Center 913 689 18.4 36%
Pool W 5:0 CHU Lauren 15 U 41 Massialas Foundation (M Team) 1054 671 29.4 30%
Pool L 1:5 CHAN Ella 6 61 U 14 Massialas Foundation (M Team) 1345 700 8.1 15%
Pool W 5:2 HONDA Emi 35 U 58 Silicon Valley Fencing Center 366 692 14.5 70%
T64 L 9:15 JOESUF Thea 23 U 26 Halberstadt Fencers' Club 1341 1361 84.9 51%

Back to School RYC/RCC

Y-12 Women's Foil (U, Y12), October 15, 2023
Place 63 of 76, Seed 44, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool W 5:2 TU Averie 68 U 60 Golubitsky Fencing Center 2950 712 70.2 1%
Pool L 0:5 TIAN Claire 23 U 52 Maximum Fencing Club 267 782 43.4 77%
Pool L 2:5 LI Joy 1 21 E23 17 Silicon Valley Fencing Center 1765 738 3.7 5%
Pool L 0:5 XIA Isabella 45 U 26 Silicon Valley Fencing Center 946 735 21.1 37%
Pool L 1:5 THOTA Akira 62 U 29 Massialas Foundation (M Team) 1095 714 15.5 27%
Pool L 1:5 NEUMANN Erika 22 U 12 Golden State Fencing Academy / Prime Fencing Academy 1066 698 15.5 27%
T128 W 15:7 LIN Avery 52 U 66 The Fencing Center 1391 1306 93.8 46%
T64 L 3:15 ZHANG Gwenyth 3 43 U 3 Massialas Foundation (M Team) 1985 1400 39.4 19%

AFM Super Regional SYC/RJCC/ROC Div1A/Vet

Y-12 Women's Foil (U, Y12), October 6, 2023
Place 85 of 91, Seed 67, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 2:5 FAN Sophia 91 U 30 Golubitsky Fencing Center 935 821 30.2 43%
Pool L 1:5 HAN Mia 14 52 U 12 Rain City Fencing Center 1487 790 10.4 13%
Pool L 4:5 MCLANAHAN Jasmine 39 U 83 Massialas Foundation (M Team) 805 780 32.2 48%
Pool L 2:5 MIYOSHI Kylie 40 U 52 Maximum Fencing Club 1322 748 12.7 19%
Pool L 0:5 YU Sophie 13 49 U 20 Silicon Valley Fencing Center 1343 735 11.5 16%
Pool L 2:5 LIU Ariana 65 U 25 Silicon Valley Fencing Center 1307 724 11.9 17%
T128 L 4:15 LEE Zoe 25 77 U 45 Silicon Valley Fencing Center 1743 1376 69.4 29%

Wasatch Fencing RYC/RJCC

Y-12 Women's Foil (U, Y12), September 23, 2023
Place 8 of 11, Seed 4, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool W 5:2 BASTUNAS Marissa 5 U 11 Halberstadt Fencers' Club 506 835 27.1 70%
Pool L 0:5 WANG Doreen 1 51 U 1 LA International Fencing 1109 862 29.9 35%
Pool W 5:2 DESAI Zoya 8 U 7 Target Fencing Center / Precision Athletics Fencing Club 1010 832 50.2 39%
Pool L 4:5 YANG Ava 10 U 6 Boise Fencing Club 856 882 39.1 52%
Pool L 2:5 CHAN Ella 6 U 3 Massialas Foundation (M Team) 1175 843 22.6 30%
T16 W 15:6 IRELAND Moira 11 U 9 Halberstadt Fencers' Club 1369 1343 144.0 49%
T8 L 4:15 WANG Doreen 1 51 U 1 LA International Fencing 1616 1487 111.2 43%

Bay Cup at HALB: Y10WF4, Y12WF5, Y10MF2, Y12MF3

Y-10 Women's Foil (U, Y10), June 25, 2023
Place 5 of 15, Seed 7, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 3:5 HSU Rachel 13 U 2 Halberstadt Fencers' Club 1411 690 15.9 14%
Pool W 5:1 TOYOFUKU Evelyn 12 U 12 West Berkeley Fencing Club 1627 674 74.8 13%
Pool W 5:0 YIN Anthea 6 U 14 Silicon Valley Fencing Center 453 748 30.3 66%
Pool W 5:4 XIA Isabella 1 U 6 Silicon Valley Fencing Center 932 779 56.3 40%
T16 W 10:0 TOYOFUKU Evelyn 12 U 12 West Berkeley Fencing Club 2921 1079 391.6 4%
T8 L 5:10 KO HOFWEGEN Lineke 15 U 1 Halberstadt Fencers' Club 1680 1470 127.3 39%

Rain City Spring RJCC+RYC

Y-10 Women's Foil (U, Y10), April 14, 2023
Place 11 of 13, Seed 13, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 4:5 SMIRNOV Victoria 11 U 5 Victoria Fencing Program 1094 744 45.5 29%
Pool W 5:3 WU Allison 2 32 U 1 Rain City Fencing Center 1266 698 125.3 19%
Pool L 2:5 LU Keeva 3 40 U 8 Rain City Fencing Center 1021 823 48.0 38%
Pool L 0:5 JIANG Ziqing 12 U 6 922 775 47.6 41%
Pool L 1:5 CHEN Zitong 7 U 9 984 728 38.2 35%
T16 L 6:10 WU Allison 2 32 U 1 Rain City Fencing Center 1725 1200 120.8 25%

Treasure Chest RYC

Y-10 Women's Foil (U, Y10), January 14, 2023
Place 20 of 29, Seed 25, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 3:5 HSU Rachel 8 U 16 Halberstadt Fencers' Club 1903 471 9.1 3%
Pool L 1:5 XIA Isabella 21 U 5 Silicon Valley Fencing Center 980 461 57.1 22%
Pool W 5:3 MCLANAHAN Jasmine 16 U 14 Massialas Foundation (M Team) 874 404 171.7 25%
Pool W 5:3 SMAJEK Lilou 17 U 15 Bay Area Fencing Club 1061 576 121.7 27%
Pool W 5:1 AHN Hayley 9 U 28 Silicon Valley Fencing Center 633 698 77.2 54%
Pool L 1:5 LI Joy 1 12 U 1 Silicon Valley Fencing Center 1371 775 31.5 18%
T32 L 9:10 FATTAL Leila 7 U 13 Silicon Valley Fencing Center 1554 1452 251.9 45%

Bay Cup at HALB: Y10WF2, Y12WF3

Y-10 Women's Foil (U, Y10), December 11, 2022
Place 16 of 16, Seed 12, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 2:5 ZALTZMAN Maya 13 U 13 Halberstadt Fencers' Club 1030 1168 276.9 57%
Pool L 2:5 KIM Audrey 14 U 10 Massialas Foundation (m Team) 866 891 206.1 51%
Pool L 1:5 LEE Zoe 6 U 2 Silicon Valley Fencing Center 1236 685 78.9 22%
Pool L 2:5 XIA Isabella 1 U 8 Silicon Valley Fencing Center 902 606 100.5 34%
Pool L 0:5 LI Joy 7 U 1 Silicon Valley Fencing Center 1337 506 35.0 11%
T16 L 2:10 LI Joy 7 U 1 Silicon Valley Fencing Center 1615 2079 627.9 69%

Halberstadt Y10 Boys, Y10 Girls Foil

Y-10 Women's Foil (U, Y10), September 25, 2022
Place 9 of 10, Seed 7, Not ranked, Rating U, Halberstadt Fencers' Club
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool L 1:5 LEE Madison 3 U 3 Halberstadt Fencers' Club
Pool L 1:5 HSU Rachel 6 U 3 Halberstadt Fencers' Club 2921 2500 331.8 37%
Pool W 5:2 ZALTZMAN Maya 10 U 6 Halberstadt Fencers' Club 862 2168 104.1 89%
Pool L 4:5 NICOLETTI Thea 2 U 5 Silicon Valley Fencing Center 421 2272 1104.3 97%
T16 L 4:10 JOESUF Thea 5 U 8 Halberstadt Fencers' Club 2500 2500 420.5 50%