Player profile

Tkacenko, Kostia

Standard: 1587 Rapid: 1548 Blitz: 0 (last updated 2026-10-02)

FIDE ID: 40120708 (view FIDE profile)

Federation: NED Sex: M Birth Year: 2012 Age: 14

Title: — Women's title: — Other title: — FOA title: —

Games: 17 Wins: 3 (18%) Draws: 2 (12%) Losses: 12 (71%)

View all games

Dossier

17 of 17 games analyzed.

View full dossier

Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 9 games 2W 1D 6L

Sicilian Defense 3 games 1W 0D 2L

O'Kelly Variation 1 game 0W 0D 1L

Normal System 1 game 0W 0D 1L

Dragon Variation 1 game 0W 0D 1L

Classical Variation, Grigoriev Variation 1 game 0W 0D 1L

Lasker-Pelikan Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Ruy Lopez 2 games 1W 0D 1L

Morphy Defense 1 game 0W 0D 1L

Neo-Arkhangelsk Variation 1 game 0W 0D 1L

Classical Variation 1 game 1W 0D 0L

Zukertort Gambit 1 game 1W 0D 0L

King's Indian Defense 2 games 0W 1D 1L

(unspecified) 1 game 0W 0D 1L

Semi-Classical Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Nimzo-Indian Defense 1 game 0W 0D 1L

Sämisch Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Gambit Declined 1 game 0W 0D 1L

Harrwitz Attack 1 game 0W 0D 1L

Fianchetto Defense 1 game 0W 0D 1L

As Black 8 games 1W 1D 6L

Caro-Kann Defense 4 games 0W 1D 3L

Main Line 2 games 0W 1D 1L

(unspecified) 2 games 0W 1D 1L

Advance Variation 1 game 0W 0D 1L

Short Variation 1 game 0W 0D 1L

Two Knights Attack 1 game 0W 0D 1L

Mindeno Variation, Retreat Line 1 game 0W 0D 1L

French Defense 3 games 1W 0D 2L

Classical Variation 2 games 1W 0D 1L

Richter Attack 2 games 1W 0D 1L

Winawer Variation 1 game 0W 0D 1L

Bogoljubow Variation 1 game 0W 0D 1L

English Opening 1 game 0W 0D 1L

King's English Variation 1 game 0W 0D 1L

Two Knights Variation, Reversed Dragon 1 game 0W 0D 1L

Blunders Top 4 of 135

This player's costliest moves in analyzed games. Can you find the winning move?

2026.04.29 · 19... Rd7 (−80.8% win chance) 0-1

Tkacenko, Kostia

Kharita, Mohammad

Engine View game

2026.04.27 · 36. Re1 (−68.1% win chance) 1-0

Brorens, Victor

Tkacenko, Kostia

Engine View game

2026.04.27 · 54... g5 (−58.1% win chance) 1-0

Tkacenko, Kostia

Lalkota, Sai Pranav Tejas

Engine View game

2026.04.27 · 56... e4 (−43.9% win chance) 1-0

Tkacenko, Kostia

Lalkota, Sai Pranav Tejas

Engine View game

View blunders & mistakes

Games Showing all 17 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.04.30	Round 9: Tkacenko, Kostia - Fu, Ziqing	9.14	2026.04.30 Fu, Ziqing (40109623) (1810)	0	89.60%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2026.04.29	Round 8: Kharita, Mohammad - Tkacenko, Kostia	8.16	2026.04.29 Kharita, Mohammad (40110702)	1	62.50%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.04.29	Round 7: Tkacenko, Kostia - De Wit, Jim	7.14	2026.04.29 De Wit, Jim (1097326) (1749)	0	89.30%	1. e4 c5 2. Nf3 a6 3. d4 cxd4
2026.04.29	Round 6: Ngangbam, Chingthang - Tkacenko, Kostia	6.14	2026.04.29 Ngangbam, Chingthang (1086510) (1937)	0	76.60%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.04.27	Round 5: Tkacenko, Kostia - Brorens, Victor	5.14	2026.04.27 Brorens, Victor (1095307) (1911)	1	66.90%	1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
2026.04.27	Round 4: Lalkota, Sai Pranav Tejas - Tkacenko, Kostia	4.14	2026.04.27 Lalkota, Sai Pranav Tejas (1087690) (1830)	0	75.40%	1. c4 e5 2. Nc3 Nf6 3. g3 d5
2026.04.27	Round 3: Tkacenko, Kostia - Huang, Vincent	3.12	2026.04.27 Huang, Vincent (40104184) (1855)	0	81.00%	1. e4 c5 2. Nf3 d6 3. d4 cxd4
2026.04.25	Round 2: Sosef, Noah - Tkacenko, Kostia	2.7	2026.04.25 Sosef, Noah (40107060) (2012)	0	83.80%	1. e4 e6 2. d4 d5 3. Nc3 Bb4
2026.04.25	Round 1: Tkacenko, Kostia - Nadrshin, Oleg	1.17	2026.04.25 Nadrshin, Oleg (40111873) (1894)	1	77.20%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.05.02	Round 9: Tkacenko, Kostia - Ozbek, Ahmet Naim	9.13	2025.05.02 Ozbek, Ahmet Naim (40101975) (1915)	0	81.60%	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.05.01	Round 8: Kleinjan, Thias - Tkacenko, Kostia	8.14	2025.05.01 Kleinjan, Thias (40120716)	½	89.90%	1. e4 c6 2. d4 d5 3. Nd2 dxe4
2025.04.30	Round 7: Tkacenko, Kostia - Kudernac, Theo	7.14	2025.04.30 Kudernac, Theo (1095323) (1911)	0	81.50%	1. d4 d5 2. Nf3 Nf6 3. Bf4 e6
2025.04.29	Round 5: Bajnath, Danesh - Tkacenko, Kostia	5.15	2025.04.29 Bajnath, Dhanesh (40104842) (1706)	0	84.20%	1. e4 c6 2. d4 d5 3. e5 Bf5
2025.04.28	Round 4: Tkacenko, Kostia - Luong, Thao	4.14	2025.04.28 Luong, Thao (1091980) (1728)	0	84.50%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.04.28	Round 3: Etienne, Ghilon - Tkacenko, Kostia	3.12	2025.04.28 Etienne, Ghilon (1084267) (1947)	0	81.00%	1. e4 c6 2. Nc3 d5 3. Nf3 Bg4
2025.04.27	Round 2: Tkacenko, Kostia - Yantur, Arda	2.15	2025.04.27 Yantur, Arda (40102041) (1745)	½	83.60%	1. d4 Nf6 2. c4 g6 3. Nc3 Bg7
2025.04.26	Round 1: Lenting, Roan - Tkacenko, Kostia	1.15	2025.04.26 Lenting, Roan (1085905) (1868)	0	80.30%	1. e4 c6 2. d4 d5 3. Nd2 dxe4