Nathan Kosiborod

2009

Win/Loss Statistics

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Victories - 2 1 - - 3
Losses - 11 7 - - 18
Win Ratio - 15.4% 12.5% - - 14.3%
Pool Victories - 1 1 - - 2
Pool Losses - 10 6 - - 16
Pool Win Ratio - 9.1% 14.3% - - 11.1%
DE Victories - 1 - - - 1
DE Losses - 1 1 - - 2
DE Win Ratio - 50.0% 0.0% - - 33.3%

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† - 1 - - - 1
Easy wins as % of wins - 50.0% 0.0% - - 33.3%
Close wins‡ - 1 1 - - 2
Close wins as % of all wins - 50.0% 100.0% - - 66.7%
Close losses‡ - 3 1 - - 4
Close losses as % of all losses - 27.3% 14.3% - - 22.2%
Big losses† - 5 3 - - 8
Big losses as % of all losses - 45.5% 42.9% - - 44.4%

† 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

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Events - 2 1 - - 3
Tournaments - 2 1 - - 3

Competition History

Manchen Friday Night "E & Under" Foil

E & Under Mixed Foil (D1, E), March 14, 2025
Place 15 of 25, Seed 21, Not ranked, Rating U, Gutkovskiy Fencing Academy
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 2:5 CULLEN Alyssa 13 E23 13 Masters Fencing Academy Nj / Randolph HS
Pool D 4:5 DIPAOLO Julia 12 E23 8 Manchen Academy of Fencing / West Morris Central
Pool D 3:5 KOVACS Harrison 4 E25 3 Gutkovskiy Fencing Academy 1496 936 43.4 20%
Pool D 0:5 OLAWOYE Jadesola 5 E25 5 Manchen Academy of Fencing
Pool V 5:0 HAN Kevin 24 U 22 Medeo Fencing Club 1471 892 111.4 25%
T32 V 15:13 GAO Grayson 22 U 18 V Fencing Club 1031 2189 121.3 87%
T16 D 2:15 KO Darby 1 E25 2 Bucks County Academy Of Fencing - West

2025 Bergen County Boys Championships

Individual Boys Foil (None), January 5, 2025
Place 7 of 7, Seed 6, Rank 6, Rating None, Ramapo
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 4:5 NEUBURGER Lawrence 7 7 5 Ramapo
Pool D 0:5 PARK Joseph 1 1 2 Ramapo
Pool D 2:5 ALLEN Jr Darren 5 5 3 Don Bosco
Pool D 0:5 BAGRINTSEV Nicholas 4 4 6 Bergen Tech 1417 1066 75.4 30%
Pool D 4:5 DIAZ Gabriel 2 2 1 Don Bosco 1469 991 55.1 24%
Pool D 0:5 ONTIVEROS Diogo 3 3 4 Teaneck

Manchen Friday Night "E & U" Foil

E & Under Mixed Foil (D1, E), March 22, 2024
Place 28 of 30, Seed 30, Not ranked, Rating U, Gutkovskiy Fencing Academy
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 1:5 RUNDLE Theron 18 U 19 Masters Fencing Academy NJ / Don Bosco Preparatory HS 1257 2500 1072.2 88%
Pool D 0:5 O'LEARY Colin 10 E23 3 Manchen Academy of Fencing 1623 1428 273.8 41%
Pool D 2:5 SOBON Jason 2 E24 2 Freehold Fencing Academy 1590 1154 153.0 29%
Pool D 2:5 GRODMAN Carlos 7 E23 9 New Jersey Fencing Alliance / Columbia High School 1542 1001 105.8 24%
Pool D 4:5 KIM Maxwell 22 U 19 Worldwide Fencing Academy 1941 895 37.5 8%
Pool D 0:5 ZHENG Christopher 27 U 22 Medeo Fencing Club 1132 858 123.8 35%
Pool V 5:4 SHAH Rohan 13 E23 21 Bucks County Academy of Fencing 1684 734 332.5 9%
T32 D 9:15 WAIBEL Matthew 3 E24 6 Masters Fencing Academy / Kinnelon High School 3051 2500 310.9 32%