Katsev Ilya, Russian Renju Association - Renju Rating

Katsev Ilya

Place: Saint Petersburg, Russian Renju Association

Rating: 2589.78, Std: 107.38, Rank: 57

First game: 2013-12-22, Last game: 2023-12-30

Top rating: 2589.78 (2023-12-30)

Games: 379, Wins: 170, Draws: 30, Losses: 179

Gy1: 14, Gy2: 14, Gy5: 108

Commemorative competition in memory of Tunnet Taimla
Date 2023-12-30 Rating 2589.78
Round Color Result Opponent
1 Black Win Topkin Georg-Romet 2671.74
2 Black Win Pajuste Renee 2538.04
3 White Loss Oll Aivo 2665.33
4 Black Win Ikonen Jussi 2146.41
5 Black Win Karlsson Stefan 2472.91
6 White Win Hõbemägi Martin 2631.25
7 White Loss Topkin Georg-Romet 2671.74
Swedish Open Team Championship
Date 2023-11-19 Rating 2584.16
Round Color Result Opponent
1 Black Win Jonsson Peter 2283.11
2 White Win Eriksson Bjorn 2345.21
3 Black Win Kolk Kuno 2282.58
4 Black Loss Topkin Georg-Romet 2673.83
5 Black Win Karlsson Irene 1909.49
6 Black Loss Karlsson Stefan 2472.88
7 White Win Sandstrom Richard 2298.98
Tallinn Open 2021
Date 2021-12-30 Rating 2516.05
Round Color Result Opponent
A1 White Draw Sushkov Vladimir 2897.57
A2 White Loss Mesila Villem 2674.90
A3 White Win Sumarokova Aleksandra 2288.11
A4 Black Win Kolk Kuno 2326.79
A5 Black Loss Epifanov Dmitry 2733.73
A6 Black Win Metreveli Irina 2413.63
A7 Black Loss Oll Aivo 2698.54
The 30th Russian Championship First League
Date 2021-11-05 Rating 2507.84
Round Color Result Opponent
1 Black Win Fokichev Egor 2103.88
2 White Win Kareyev Radomir 1918.10
3 Black Draw Savrasova Yulia 2557.51
4 White Win Pinsky Alexander 2481.13
5 Black Loss Filinov Vladimir 2496.71
6 White Draw Makarov Pavel 2537.86
7 White Loss Orlov Maxim 2670.63
8 White Win Zhukov Lev 2244.43
9 White Win Rizvanov Edward 2516.73
Villem Cup
Date 2021-07-31 Rating 2486.98
Round Color Result Opponent
1 Black Win Saard Sergo 1706.41
2 White Win Lääne Kristjan 1852.85
3 Black Win Mesila Villem 2670.90
4 White Win Lääne Rauno 2201.95
F1 White Loss Mesila Villem 2670.90
F2 White Loss Mesila Villem 2670.90
The 29th Russian Championship, High League
Date 2021-05-30 Rating 2470.72
Round Color Result Opponent
1 Black Loss Danilin Ivan 2574.56
2 White Loss Salnikov Pavel 2563.50
3 Black Draw Smirnov Evgeny 2590.09
4 Black Loss Kachaev Denis 2549.17
5 White Loss Epifanov Dmitry 2730.08
6 Black Win Lisyutin Alexander 2308.89
7 Black Draw Fedorkin Oleg 2596.94
8 White Loss Burtsev Nikolai 2406.30
9 Black Win Volkov Sergey 2380.84
10 Black Loss Metreveli Maksim 2390.14
11 Black Loss Burtsev Peter 2537.60
12 Black Win Sirategyan Karen 2379.39
13 Black Loss Makarov Pavel 2541.45
14 White Win Radzevelyuk Alexander 2360.67
15 Black Loss Karasyov Maxim 2569.61
The 29th Russian Championship, First League
Date 2021-02-27 Rating 2466.56
Round Color Result Opponent
1 Black Win Bushkowski Ludwik 2129.65
2 Black Loss Kachaev Denis 2549.09
3 White Win Stoyanov Egor 2225.61
4 Black Win Rumyantseva Ekaterina 2083.15
5 Black Win Lisyutin Alexander 2301.06
6 Black Draw Burtsev Peter 2511.89
7 Black Loss Salnikov Pavel 2572.45
8 White Draw Radzevelyuk Alexander 2380.24
9 White Draw Yusupmurzin Danila 2282.27
Dubna Cup 2020
Date 2020-11-22 Rating 2465.75
Round Color Result Opponent
1 Black Win Kinelovskiy Nikita 2241.98
2 Black Win Kozhin Mikhail 2631.60
3 Black Win Burtsev Peter 2479.38
4 White Loss Kinelovskiy Nikita 2241.98
5 White Win Burtsev Peter 2479.38
6 Black Loss Kozhin Mikhail 2631.60
The 28th Russian Championship, High League
Date 2020-02-23 Rating 2435.71
Round Color Result Opponent
1 White Win Morozov Egor 2325.01
2 Black Loss Danilin Ivan 2580.05
3 White Win Mikhailov Alexey 2505.94
4 White Draw Rizvanov Edward 2589.23
5 White Loss Fedorkin Oleg 2640.91
6 White Draw Artemyev Sergey 2478.24
7 Black Loss Epifanov Dmitry 2691.82
8 White Draw Salnikov Pavel 2575.93
9 White Draw Kachaev Denis 2567.69
10 Black Loss Karasyov Maxim 2627.66
11 Black Win Filinov Vladimir 2493.89
12 White Loss Makarov Pavel 2599.83
13 Black Loss Balabhai Viktor 2505.56
14 White Loss Lavrik-Karmazin Maksim 2531.46
15 White Loss Nikonov Konstantin 2683.81
5th Open Team Tournament
Date 2020-01-06 Rating 2430.66
Round Color Result Opponent
1 White Loss Kachaev Denis 2575.88
2 White Loss Makarov Pavel 2607.33
3 Black Loss Kinelovskiy Nikita 2241.72
4 Black Win Kachaeva Ilona 2041.49
5 Black Win Kuleshov Mikhail 2178.88
6 Black Win Kuleshov Mikhail 2178.88
7 Black Loss Kachaev Denis 2575.88
8 Black Loss Makarov Pavel 2607.33
9 Black Win Chernyi Anton 2137.09
10 Black Loss Kachaeva Ilona 2041.49
Tallinn Open 2019 (and Estonian Gomoku Championship)
Date 2019-12-30 Rating 2431.60
Round Color Result Opponent
A1 White Loss Oll Aivo 2716.24
A2 White Win Lõhmus Kristofer 2402.57
A3 White Win Hõbemägi Martin 2599.38
A4 White Loss Topkin Georg-Romet 2618.85
A5 Black Win Mesila Villem 2665.44
A6 Black Loss Hõbemägi Martin 2599.38
A7 White Loss Kolk Kuno 2374.87
A8 Black Win Kolk Kuno 2374.87
The 28th Russian Championship, First League
Date 2019-11-02 Rating 2432.16
Round Color Result Opponent
1 Black Win Kondakov Ilya 2090.79
2 White Loss Filinov Vladimir 2519.74
3 Black Win Troitsky Vsevolod 2132.47
4 White Loss Fedotov Denis 2646.06
5 White Win Sadova Taisia 2265.89
6 Black Win Stulova Kristina 2177.44
7 Black Draw Balabhai Viktor 2492.57
8 White Win Radzevelyuk Alexander 2401.28
9 White Draw Artemyev Sergey 2497.77
Nizhny Novgorod region open championship
Date 2019-07-24 Rating 2424.48
Round Color Result Opponent
1 White Win Tolstoguzova Daria 2177.51
2 Black Win Tolstoguzova Sofia 2298.23
3 Black Win Epifanov Dmitry 2663.19
4 White Loss Karasyov Maxim 2657.41
5 Black Loss Burtsev Peter 2278.06
6 Black Loss Skuridin Alexey 2505.09
7 White Loss Lisyutin Alexander 2327.06
Riga Open
Date 2019-04-14 Rating 2423.64
Round Color Result Opponent
1 White Win Murumaa Magnus 2041.02
2 White Win Lents Johann 2543.05
3 White Loss Ilu Timo 2507.61
4 Black Loss Hõbemägi Martin 2587.47
5 White Win Burtsev Peter 2204.84
The 27th Russian Championship, High League
Date 2019-02-24 Rating 2421.47
Round Color Result Opponent
1 Black Win Radzevelyuk Alexander 2420.05
2 Black Loss Artemyev Sergey 2526.87
3 Black Loss Makarov Pavel 2613.79
4 Black Loss Epifanov Dmitry 2673.47
5 Black Loss Kachaev Denis 2583.91
6 White Loss Fedotov Denis 2666.81
7 White Loss Karasyov Maxim 2652.13
8 White Win Smirnov Evgeny 2443.91
9 Black Loss Salnikov Pavel 2596.80
10 White Loss Nikonov Konstantin 2676.04
11 Black Win Barykin Victor 2388.75
12 Black Loss Lavrik-Karmazin Maksim 2544.70
13 Black Loss Fedorkin Oleg 2676.16
14 Black Loss Metreveli Maksim 2379.91
15 White Win Mikhailov Alexey 2491.75
4th Open Youth Team Tournament
Date 2019-01-06 Rating 2424.35
Round Color Result Opponent
1 Black Win Kolk Mari 1914.34
2 Black Win Moor Karl-Mattias 2196.85
3 Black Win Kachaeva Ilona 2070.00
4 Black Win Burtsev Peter 2142.86
6 White Win Morozov Egor 2228.62
8 Black Loss Lents Johann 2548.39
9 White Win Rahumägi Brenet 2327.43
Tallinn Open 2018
Date 2018-12-30 Rating 2424.12
Round Color Result Opponent
A1 Black Win Yusupmurzina Darya 2348.50
A2 White Loss Sushkov Vladimir 2817.28
A3 White Win Lõhmus Kristofer 2413.67
A4 Black Loss Fedotov Denis 2659.35
A5 White Win Rahumägi Brenet 2327.42
A6 Black Loss Oll Aivo 2758.48
A7 Black Draw Purk Tauri 2412.27
A8 Black Win Metreveli Maksim 2381.56
The 27th Russian Championship, First League
Date 2018-11-04 Rating 2414.59
Round Color Result Opponent
1 White Win Tolstoguzova Daria 2104.94
2 Black Win Kachaev Denis 2561.49
3 Black Loss Balabhai Viktor 2468.35
4 Black Win Gromov Danila 2263.24
5 Black Loss Filinov Vladimir 2530.89
6 Black Draw Radzevelyuk Alexander 2433.40
7 White Loss Orlov Maxim 2427.03
8 Black Win Sirategyan Karen 2278.32
9 White Loss Tolstoguzova Sofia 2294.86
Estonian Championship of Renju and Rapid Gomoku
Date 2018-10-22 Rating 2413.00
Round Color Result Opponent
1 White Win Murumaa Magnus 2017.22
2 White Win Koni Kirke 2105.09
3 White Loss Piik Sander 2285.05
5 Black Loss Soosõrv Ants 2726.35
6 Black Loss Raag Ardi 2210.35
7 Black Win Laanemets Emil 1815.56
The 26nd Russian Championship, High League
Date 2018-02-25 Rating 2418.56
Round Color Result Opponent
1 White Loss Karasyov Maxim 2653.37
2 Black Loss Kachaev Denis 2537.68
3 Black Win Salnikov Pavel 2606.35
4 Black Loss Radzevelyuk Alexander 2456.63
5 Black Loss Epifanov Dmitry 2667.85
6 White Draw Balabhai Viktor 2475.91
7 Black Loss Golomaryov Anthony 2641.54
8 Black Win Makarov Pavel 2611.54
9 Black Loss Fedorkin Oleg 2704.92
10 Black Win Filinov Vladimir 2508.71
11 Black Draw Artemyev Sergey 2573.44
12 White Win Danilin Ivan 2492.26
13 White Win Metreveli Maksim 2321.14
14 White Loss Kryuchok Roman 2596.81
3nd Open Team Tournament
Date 2018-01-07 Rating 2411.19
Round Color Result Opponent
1 White Win Kachaeva Ilona 2055.47
2 Black Loss Berezin Roman 2503.78
3 Black Loss Filinov Vladimir 2501.28
4 White Win Lisyutin Alexander 2275.93
6 White Draw Filinov Vladimir 2501.28
F1 Black Draw Kachaeva Ilona 2055.47
F2 Black Win Kachaeva Ilona 2055.47
Tallinn Open
Date 2017-12-29 Rating 2410.29
Round Color Result Opponent
1 White Loss Sushkov Vladimir 2869.25
2 White Win Kolk Kuno 2346.17
3 White Loss Topkin Georg-Romet 2539.78
4 White Win Pestov Arseni 2261.32
5 Black Loss Soosõrv Ants 2706.00
6 White Win Ikla Markus 2223.28
7 White Loss Piik Sander 2279.69
8 Black Win Purk Tauri 2400.98
The 26th Russian Championship, First League
Date 2017-11-09 Rating 2404.06
Round Color Result Opponent
1 White Win Arzybov Vladislav 2017.92
2 Black Loss Balabhai Viktor 2493.71
3 Black Win Glibina Ekaterina 1983.40
4 Black Loss Filinov Vladimir 2491.65
5 Black Win Sonina Marina 1939.99
6 Black Win Volkov Sergey 2392.91
7 White Draw Radzevelyuk Alexander 2456.12
8 White Draw Fedotov Denis 2607.21
9 White Win Fedoseyev Arseniy 2223.38
Estonian Championship of Renju and Gomoku
Date 2017-10-29 Rating 2401.99
Round Color Result Opponent
1 Black Win Orlov Denis 2281.76
2 Black Loss Kolk Kuno 2343.37
3 Black Win Narva Mart 2108.07
4 Black Win Lõhmus Kristofer 2346.35
5 White Loss Mesila Villem 2621.71
6 White Win Moor Karl-Mattias 2053.50
7 Black Loss Oll Aivo 2791.75
35th St. Petersburg Championship
Date 2017-04-23 Rating 2363.64
Round Color Result Opponent
1 Black Win Rumyantseva Ekaterina 2066.54
2 White Loss Salnikova Nonna 2254.29
3 Black Loss Kachaev Denis 2573.17
4 Black Win Filinov Vladimir 2434.97
5 Black Win Kalnitsky Oleg 2129.95
6 Black Win Bushkowski Ludwik 2172.44
7 Black Loss Balabhai Viktor 2516.91
8 Black Loss Salnikov Pavel 2616.75
9 Black Draw Lisyutin Alexander 2286.56
11 Black Win Trubitsin Stepan 1794.28
Korea-Russia Friendship Tournament
Date 2017-04-02 Rating 2359.91
Round Color Result Opponent
1 Black Draw Yu Hyun-geon 2166.43
2 Black Loss Jeong Gi-Yong 2028.99
3 Black Win Kim Do-hyun 2111.14
4 White Loss Park Sang-Hyeon 2239.77
5 Black Win Kim Gyu-Hyeon 2610.48
6 White Win Park Jeong Ho 2486.77
2nd International Team Tournament
Date 2017-01-08 Rating 2346.04
Round Color Result Opponent
1 White Draw Kuleshov Mikhail 2227.81
2 White Loss Salnikov Pavel 2644.21
3 Black Win Piik Sander 2142.03
4 Black Loss Lents Johann 2675.12
5 Black Loss Nikonov Konstantin 2694.80
7 Black Loss Karasyov Maxim 2622.48
F1 White Win Kuleshov Mikhail 2227.81
F2 Black Loss Kuleshov Mikhail 2227.81
Tallinn Open (Open Estonian Championship) of Renju, Rapid gomoku and Boku
Date 2016-12-30 Rating 2345.37
Round Color Result Opponent
1 Black Loss Orlov Denis 2324.08
2 White Win Topkin Georg-Romet 2411.48
3 Black Win Heidmets Mark 2155.59
4 Black Win Olumets Erko 2169.05
5 White Loss Oll Aivo 2810.80
6 Black Loss Balabhai Viktor 2513.16
7 Black Loss Kolk Kuno 2302.60
8 Black Loss Rahumägi Brenet 2347.06
The 34th St. Petersburg Championship
Date 2016-05-31 Rating 2349.11
Round Color Result Opponent
1 White Win Salnikova Nonna 2246.40
2 White Loss Zubashchenko Ivan 2551.97
3 White Win Rumyantseva Ekaterina 2079.13
4 Black Loss Kachaev Denis 2559.53
5 Black Win Lisyutin Alexander 2211.52
6 Black Loss Filinov Vladimir 2484.83
8 Black Win Kalnitsky Oleg 2148.49
9 White Loss Salnikov Pavel 2652.62
10 Black Win Berezin Roman 2514.96
Tallinn Open
Date 2015-12-29 Rating 2336.84
Round Color Result Opponent
A1 White Loss Wang Qingqing 2617.69
A2 White Win Bulatovsky Oleg 2359.82
A3 White Loss Pajuste Renee 2622.90
A4 Black Win Magdeev Igor 2322.53
A5 Black Win Kolk Kuno 2314.87
A6 Black Loss Oll Aivo 2821.38
A7 White Loss Sushkov Vladimir 2849.57
A8 Black Win Voznjuk Pavel 2179.86
Polish Renju Championship
Date 2015-11-15 Rating 2326.81
Round Color Result Opponent
2 White Loss Żukowski Michał 2432.14
3 White Loss Majksner Łukasz 2361.77
5 Black Win Małowiejski Piotr 2144.26
The 24th Russian Championship, First League
Date 2015-11-06 Rating 2325.30
Round Color Result Opponent
1 Black Draw Sirategyan Karen 2429.43
2 White Loss Kryuchok Roman 2609.17
3 Black Loss Filinov Vladimir 2499.86
4 Black Win Lapin Ivan 1920.54
5 White Loss Mikryukov Mikhail 2383.95
6 Black Win Ponezhin Gennady 2184.52
7 White Win Semenov Oleg 2366.66
8 Black Loss Salnikova Nonna 2272.54
9 Black Win Yusupmurzin Danila 2155.96
Estonian Championship
Date 2015-10-18 Rating 2322.22
Round Color Result Opponent
1 Black Loss Kõlar Karl-Ustav 2039.90
2 White Win Narva Mart 1915.89
3 White Win Rahumägi Brenet 2264.62
4 Black Loss Topkin Georg-Romet 2343.67
5 Black Win Mesila Villem 2561.98
6 White Loss Oll Aivo 2814.50
7 Black Win Moor Karl-Mattias 1940.28
The 33th St. Petersburg Championship
Date 2015-05-31 Rating 2298.82
Round Color Result Opponent
3 Black Loss Balabhai Viktor 2473.52
4 White Loss Potapov Alexey 2600.26
6 Black Loss Salnikova Nonna 2307.64
7 White Loss Filinov Vladimir 2512.62
8 White Loss Kuleshov Mikhail 2225.49
9 White Win Kalnitsky Oleg 2190.81
10 Black Loss Salnikov Pavel 2631.08
11 White Win Rumyantseva Ekaterina 2094.96
The 23nd Russian Championship, High League
Date 2015-02-22 Rating 2296.35
Round Color Result Opponent
1 Black Loss Metreveli Irina 2455.13
2 Black Loss Salnikov Pavel 2617.12
3 Black Loss Nikonov Konstantin 2712.82
4 White Loss Mikhailov Alexander 2607.13
5 Black Loss Balabhai Viktor 2484.13
6 White Loss Golomaryov Anthony 2544.28
7 White Draw Artemyev Sergey 2602.07
8 White Loss Karasyov Maxim 2632.23
9 White Loss Makarov Pavel 2627.16
10 White Loss Fedorkin Oleg 2732.25
11 White Loss Kryuchok Roman 2567.10
12 White Loss Fedotov Denis 2490.62
13 White Loss Filinov Vladimir 2527.49
14 Black Loss Epifanov Dmitry 2692.93
15 White Win Oborina Anastasja 2379.12
Tallinn Open
Date 2014-12-28 Rating 2302.28
Round Color Result Opponent
1 Black Win Moor Karl-Mattias 1861.93
2 Black Loss Sandstrom Richard 2383.75
3 White Win Kallikorm Kevin Kaido 1928.56
4 White Win Ikla Markus 2124.74
5 White Win Orlov Denis 2179.33
6 Black Loss Väljataga Paul 2364.63
7 Black Loss Lillemaa Argo 2316.61
8 White Draw Jonsson Peter 2372.88
The 29th St. Petersburg Cup
Date 2014-12-21 Rating 2303.33
Round Color Result Opponent
ge1 White Loss Kachaev Denis 2568.53
ge2 White Loss Kachaev Denis 2568.53
qt1 White Win Lisyutin Alexander 2218.55
qt2 Black Win Kalnitsky Oleg 2187.49
qt3 Black Win Bushkowski Ludwik 2124.04
qt5 White Loss Moiseyev Kirill 2259.10
qt6 White Win Rumyantseva Ekaterina 2107.81
qt7 Black Win Kalnitsky Oleg 2187.49
qt8 Black Loss Kachaev Denis 2568.53
se1 Black Win Salnikova Nonna 2335.73
se2 White Loss Salnikova Nonna 2335.73
The 23th Russian Championship, First League
Date 2014-11-07 Rating 2307.22
Round Color Result Opponent
1 White Win Knyazeva Ekaterina 1850.02
2 Black Win Kurdina Olga 2429.85
3 Black Win Kryuchok Roman 2569.48
4 Black Draw Fedotov Denis 2480.47
5 Black Win Sirategyan Karen 2430.50
6 Black Loss Balabhai Viktor 2502.42
7 White Loss Salnikov Pavel 2620.42
8 White Loss Filinov Vladimir 2534.88
9 White Win Semenov Oleg 2299.47
Estonian Championship
Date 2014-10-21 Rating 2304.29
Round Color Result Opponent
1 Black Win Murumaa Magnus 1881.48
2 White Win Holtsman Kris 2032.19
3 Black Loss Soosõrv Ants 2744.92
4 White Win Tiivel Tuuli 2011.10
5 Black Loss Olumets Erko 2127.14
6 Black Win Ikla Markus 2125.10
7 White Win Lillemaa Argo 2322.81
European Championship 2014
Date 2014-07-02 Rating 2280.34
Round Color Result Opponent
1 White Loss Salnikov Pavel 2612.54
2 White Loss Rahumägi Brenet 2182.37
3 White Win Olumets Erko 2117.93
4 White Loss Topkin Georg-Romet 2167.12
5 White Loss Fedotov Denis 2458.96
6 White Win Lõhmus Kristofer 2147.74
7 Black Win Kallikorm Kevin Kaido 1946.84
8 White Loss Metreveli Irina 2452.26
9 Black Win Tiivel Tuuli 2011.32
10 White Win Kolk Kuno 2259.06
11 Black Win Ikonen Jussi 2344.11
The 32th St. Petersburg Championship
Date 2014-05-18 Rating 2270.60
Round Color Result Opponent
1 Black Loss Potapov Alexey 2610.27
2 White Loss Kachaev Denis 2549.41
4 White Win Kuleshov Mikhail 2189.24
5 Black Loss Salnikov Pavel 2614.07
7 Black Loss Kalnitsky Oleg 2174.62
8 Black Loss Balabhai Viktor 2527.60
9 Black Loss Filinov Vladimir 2539.71
10 Black Win Rumyantseva Ekaterina 2083.84
Lariks 2014
Date 2014-02-02 Rating 2256.85
Round Color Result Opponent
1 Black Loss Mikhailov Alexander 2617.07
2 Black Loss Lõhmus Kristofer 2117.33
3 Black Win Sumarokova Aleksandra 2299.87
4 White Draw Kurdina Olga 2425.98
5 Black Loss Sinitsyn Vladimir 2151.12
6 Black Loss Nogovitsin Alexander 2084.22
Tallinn Open
Date 2013-12-29 Rating 2257.68
Round Color Result Opponent
1 Black Loss Kolk Kuno 2249.01
2 Black Win Topkin Georg-Romet 2062.18
3 White Win Lillemaa Argo 2301.14
4 Black Loss Filinov Vladimir 2540.93
5 Black Win Rahumägi Brenet 2129.27
6 Black Loss Hõbemägi Martin 2597.48
7 Black Loss Lõhmus Kristofer 2105.78
The 28th St. Petersburg Cup
Date 2013-12-22 Rating 2258.14
Round Color Result Opponent
1 White Win Kalnitsky Oleg 2161.01
2 Black Win Rumyantseva Ekaterina 2052.31
3 White Loss Moiseyev Kirill 2278.22
4 Black Win Moiseyev Kirill 2278.22
5 Black Win Kalnitsky Oleg 2161.01
6 Black Loss Kachaev Denis 2519.60
7 Black Win Arefyev Andrey 2003.64
gq1 Black Loss Balabhai Viktor 2539.15
gq2 Black Loss Balabhai Viktor 2539.15
gq3 White Win Balabhai Viktor 2539.15
gq4 Black Loss Balabhai Viktor 2539.15