Konstantin Borsuk Chess Games

Konstantin Borsuk - Chess Player Overview

Last update: 02/09/2023 03:27:25 GMT+2
Player's activity: OFF
Player's name: Konstantin Borsuk (UKR) UKR
Player's photo: (Search in Google Images)
Age: 33 years old (born in 1991)
Sex:
2430
Standard
2394
Rapid
2410
Blitz
Fide ID: 14113406 (FIDE card)
Highest FIDE Elo achieved: 2441
Konstantin Borsuk Chess Games: 62

Konstantin Borsuk - Charts

FIDE Elo

Activity chart (Standard games)

Konstantin Borsuk - Chess Tournaments

Date Chess tournament name Initial ranking Final ranking Performance
2013-09-06 to 2013-09-06 "Yuzhny - 2013 (blitz)" Ukraine 17 28 [-11] 2372
2021-11-18 to 2021-11-26 Vezerkepzo IM November 2021 Hungary 8 1 [+7] 2435
2021-11-06 to 2021-11-16 First Saturday IM November 2021. Hungary 1 1 [0] 2447
2021-09-13 to 2021-09-21 Primorsko Open 2021 A tournament, 13-21.09.2021 Bulgaria 6 3 [+3] 2544
2021-07-10 to 2021-07-10 8 Memory A.Olkhovsky Ukraine 2 2 [0] 2335
2021-06-29 to 2021-07-05 XVII міжнародний фестиваль з шахів "ІНГУЛЬСЬКІ МОСТИ - 2021". Турнір А Ukraine 2 2 [0] 2529
2021-07-04 to 2021-07-04 Bridges of Ingul. Tournament E (blitz) Ukraine 3 2 [+1] 2383
2021-06-29 to 2021-07-05 Bridges of Ingul. Tournament A Ukraine 2 2 [0] 2384
2023-03-30 to 2023-03-31 1st Online Memorial of GMStanislav Bogdanovich (Final)(final results) 13.02.2021 Ukraine 73 100 [-27] 2167
2020-12-18 to 2020-12-18 European Online Blitz Championship - Qualification stage Ecuador 8 84 [-76] 2434
2020-11-18 to 2020-11-26 Чемпіонат Україниз шахів (класичні шахи) - фінал серед чоловіків Ukraine 25 15 [+10] 2525
2020-11-29 to 2020-11-29 Ukraine Chess Championship Open - 2020 Blitz Ukraine 13 21 [-8] 2216
2020-11-27 to 2020-11-28 Ukraine Chess Championship Open - 2020 Rapid Ukraine 17 14 [+3] 2379
2020-11-18 to 2020-11-26 Ukraine Chess Championship Open - 2020 Ukraine 25 15 [+10] 2506
2020-08-08 to 2020-08-09 7 Memory A.Olkhovsky Ukraine 3 1 [+2] 2448
2020-09-14 to 2020-09-22 PRIMORSKO OPEN A/ПРИМОРСКО ОПЕН А, 14-22.09.2020 Bulgaria 8 15 [-7] 2325
2020-07-12 to 2020-07-12 Sundays with Unity : Weekly International Open Online Blitz Tournament ( 12th July ) United States 164 164 [0] 0
2020-07-05 to 2020-07-05 Sundays with Unity : Weekly International Open Online Blitz Tournament ( 5th July ) United States 137 137 [0] 0
2020-08-08 to 2020-08-09 7 Меморіал А.Ольховського (Вінниця) Ukraine 3 3 [0] 0
2020-06-28 to 2020-06-28 Sundays with Unity : Weekly International Open Online Blitz Tournament ( 28th June ) United States 160 160 [0] 0
2020-06-21 to 2020-06-21 Sundays with Unity : Weekly International Open Online Blitz Tournament United States 151 151 [0] 0
2020-05-16 to 2020-05-31 European Online Chess Championship 2020 Group E Elo 2300+ - day 2 Switzerland 265 416 [-151] 0
2020-05-16 to 2020-05-31 European Online Chess Championship 2020 Group E Elo 2300+ - day 1 Switzerland 265 283 [-18] 2165
2020-04-17 to 2020-04-25 I Torneo de Ajedrez Online Sunway Sitges - Group A Spain 35 35 [0] 2360
2020-03-01 to 2020-03-01 V відкритий шаховий турнір «Пам’яті героїв АТО/ООС та Небесної Сотні» 5th Tournament "Memory Nebesna sotnia I geroyiv ATO" Ukraine 4 7 [-3] 2086
2019-08-18 to 2019-08-22 Cup of Lviv (standart) Ukraine 27 10 [+17] 2398
2019-07-18 to 2019-07-18 8th World Champion Mikhail Tal blitz chess memorial-2019 Latvia 51 31 [+20] 2418
2019-07-16 to 2019-07-17 8th World Champion Mikhail Tal rapid chess memorial-2019 Latvia 50 70 [-20] 2287
2019-08-24 to 2019-08-24 "Cup Independence - 2019 - "E" (Blitz)" Ukraine 4 7 [-3] 2363
2019-09-12 to 2019-09-12 "Chernivtsi Autumn - 2019 - B (Blitz)" Ukraine 25 12 [+13] 2417
2019-09-10 to 2019-09-11 "Chernivysi Autumn - 2019 - A (Rapid)" Ukraine 27 30 [-3] 2355
2019-05-04 to 2019-05-04 SJEĆANJE NA ZVONIMIRA MEŠTROVIĆA Bosnia and Herzegovina 9 12 [-3] 2337
2019-03-01 to 2019-03-03 Budovich Memorial - A 2019 Ukraine 5 3 [+2] 2518
2019-11-24 to 2019-12-02 BELGRADE TROPHY 2019 - XXXIII Trofej Beograda Serbia 7 5 [+2] 2487
2019-05-08 to 2019-05-12 Den Mista Leva - 2019 Ukraine 4 14 [-10] 2125
2019-03-18 to 2019-03-29 European Individual Chess Championship 2019 Macedonia 244 215 [+29] 2416
2019-05-29 to 2019-05-30 Ukraine Clubs Teams Championship - 2019 (Rapid) Ukraine 9 7 [+2] 2503
2019-06-16 to 2019-06-16 OCHAKIV-2019. Tournament - D (blitz) Ukraine 9 12 [-3] 2348
2019-06-13 to 2019-06-17 ШАХОВИЙ ФЕСТИВАЛЬ "ОЧАКІВ-2019". Турнір "А" Ukraine 9 9 [0] 2399
2019-06-13 to 2019-06-17 OCHAKIV-2019. Tournament - A Ukraine 8 9 [-1] 2285
2019-01-07 to 2019-01-07 "IX MEMORIAL V.T.GROKHOTOVA-2019" (Blitz) F Ukraine 6 5 [+1] 2352
2019-01-03 to 2019-01-03 "IX MEMORIAL V.T.GROKHOTOVA-2019" A Ukraine 12 5 [+7] 2277
2019-01-03 to 2019-01-03 Всеукраїнський шаховий турнір (ІІІ ранг) Ukraine 12 5 [+7] 2422
2019-04-27 to 2019-05-03 49th International Tournament Bosna 2019 Bosnia and Herzegovina 16 6 [+10] 2441
2019-08-10 to 2019-08-16 SS Manhem Chess Week IM-tournament 2019 Sweden 4 1 [+3] 2415
2019-07-31 to 2019-08-06 Master Kyiv Summer 2019 Ukraine 10 5 [+5] 2325
2019-07-23 to 2019-07-30 Kyiv Summer IM 2019 Ukraine 2 1 [+1] 2452
2018-08-04 to 2018-08-06 "Cossack pearl - 2018 - B (rapid)" Ukraine 4 5 [-1] 2429
2018-08-04 to 2018-08-11 "Cossack pearl - 2018 - A" Ukraine 6 5 [+1] 2331
2018-04-28 to 2018-04-28 5 Memory A.Olkhovsky Ukraine 7 4 [+3] 2348
2018-08-03 to 2018-08-03 "Cossack pearl - 2018 - C (blitz)" Ukraine 5 6 [-1] 2412
2018-11-04 to 2018-11-05 Ukrainian Chess Championship - 2018 (rapid) Ukraine 11 4 [+7] 2503
2018-10-26 to 2018-11-03 Відкритий чемпіонат України з шахів (класичні шахи) - півфінал Ukraine 17 13 [+4] 2512
2018-09-21 to 2018-09-23 Меморіал Олександра Подольського Ukraine 2 3 [-1] 2416
2018-07-25 to 2018-07-30 Chess tournament Nikolaev 2018 Ukraine 5 3 [+2] 2271
2018-07-25 to 2018-07-30 Миколаїв 2018 Ukraine 5 3 [+2] 2434
2018-05-31 to 2018-05-31 Ukraine Clubs Teams Championship - 2018 (Blitz) Ukraine 56 13 [+43] 2383
2018-10-26 to 2018-11-03 Ukrainian Chess Championship - 2018 (semifinal) Ukraine 17 13 [+4] 2411
2018-03-18 to 2018-03-18 N.Shelest Memorial -2018 (blitz) Ukraine 5 7 [-2] 2297
2018-03-09 to 2018-03-17 Меморіал М.Шелеста - А Ukraine 5 5 [0] 2456
2018-03-09 to 2018-03-17 N. Shelest Memorial 2018 (Tournament-A) Ukraine 5 5 [0] 2301
2018-05-29 to 2018-05-30 Ukraine Clubs Teams Championship - 2018 (Rapid) Ukraine 29 26 [+3] 2211
2018-05-20 to 2018-05-28 Чемпіонат України серед клубних команд (класичні шахи) Ukraine 64 9 [+55] 2454
2017-10-14 to 2017-10-14 Ukraine Championship (open, blitz) -2017 Ukraine 14 21 [-7] 2310
2017-10-12 to 2017-10-13 Ukraine Championship (open, rapid) -2017 Ukraine 31 9 [+22] 2435
2017-10-03 to 2017-10-07 Ukraine Championship (open, semifinal) - 2017 Ukraine 31 23 [+8] 2348
2017-10-03 to 2017-10-07 Ukraine Championship (open, semifinal) - 2017 Ukraine 31 23 [+8] 2348
2018-09-06 to 2018-09-06 "Chernivtsi Autumn - 2018 - B (Blitz)" Ukraine 32 19 [+13] 2428
2018-04-11 to 2018-04-11 The 11-th of April 2018 tournament of the Chess club "TWO ROOKS" (group "A") Ukraine 5 3 [+2] 2291
2017-10-03 to 2017-10-11 Відкритий чемпіонат України з шахів (класичні шахи) - півфінал Ukraine 31 25 [+6] 2391
2017-10-03 to 2017-10-11 Ukraine Championship (open, semifinal) - 2017 Ukraine 31 25 [+6] 2281
2018-05-20 to 2018-05-28 Ukraine Clubs Teams Championship - 2018 Ukraine 77 8 [+69] 2353
2018-09-04 to 2018-09-05 "Chernivtsi Autumn - 2018 - A (Rapid)" Ukraine 24 33 [-9] 2467
2018-08-26 to 2018-08-26 "Cup Independence, Obolon - 2018 (Blitz)" Ukraine 7 19 [-12] 2265
2018-08-25 to 2018-08-25 "Cup Independence, Obolon - 2018 - D (Rapid)" Ukraine 5 1 [+4] 2470
2018-03-31 to 2018-03-31 31-d of MARCH 2018 TOURNAMENT OF THE CHESS CLUB "TWO ROOKS" (Group A) Ukraine 5 1 [+4] 2214
2018-08-18 to 2018-08-24 "Кубок Незалежності, Оболонь - 2018 - А" Ukraine 10 2 [+8] 2562
2018-11-14 to 2018-11-17 NOVEMBER 2018 RATING TOURNAMENT OF THE CHESS CLUB " TWO ROOKS" Ukraine 4 2 [+2] 2336
2018-08-18 to 2018-08-24 "Cup Independence, Obolon-2018 -"A" "Open" Ukraine 10 2 [+8] 2470
2018-03-24 to 2018-03-24 The 24-th of March 2018 tournament of the Chess club "TWO ROOKS" (group "A") Ukraine 9 1 [+8] 2597
2018-08-04 to 2018-08-11 "Козацька перлина-2018-А" Ukraine 6 5 [+1] 2478
2018-11-06 to 2018-11-06 Ukrainian Chess Championship - 2018 (blitz) Ukraine 13 15 [-2] 2441
2017-05-16 to 2017-05-24 Ukraine Clubs Teams Championship - 2017 Ukraine 34 71 [-37] 1984
2017-05-16 to 2017-05-24 Чемпіонат України серед клубних команд Ukraine 57 71 [-14] 2302
2017-05-25 to 2017-05-25 Ukraine Clubs Teams Championship - 2017 (Blitz) Ukraine 27 29 [-2] 2306
2017-05-14 to 2017-05-15 Ukraine Clubs Teams Championship - 2017 (Rapid) Ukraine 73 32 [+41] 2029
2017-01-10 to 2017-01-10 ODESSA NEW YEAR TOURNAMENT(BLITZ) Ukraine 2 1 [+1] 2415
2020-04-03 to 2020-04-03 I Torneo Internacional Islas Canarias 2020 - Yo me quedo en casa - Online Spain 9 7 [+2] 2314
2012-09-18 to 2012-09-18 "Yuzhny - 2012 (rapid)" Ukraine 20 25 [-5] 2170
2008-02-02 to 2008-02-10 Moscow Open 2008 B Russia 1 52 [-51] 2167

Konstantin Borsuk - Chess Games

Konstantin Borsuk - Chess Games

Date Players & Opening Result ECO View
2021.11.26 Borsuk, Konstantin (2432) vs (1805) Anishka, Vikram
Vezerkepzo IM November 2021
Gruenfeld - Goglidze
1-0 D70
2021.11.25 Ongut, Tamas Gunes (2311) vs (2432) Borsuk, Konstantin
Vezerkepzo IM November 2021
French Advance Winawer
1/2-1/2 C18
2021.11.24 Borsuk, Konstantin (2432) vs (2212) Palczert, Matyas
Vezerkepzo IM November 2021
English Anglo-Indian - King's Knight
1-0 A15
2021.11.23 To, Nhat Minh (2365) vs (2432) Borsuk, Konstantin
Vezerkepzo IM November 2021
French Advance Winawer - Petrosian
1-0 C16
2021.11.22 Lyell, Mark (2108) vs (2432) Borsuk, Konstantin
Vezerkepzo IM November 2021
French Advance - Milner-Barry
0-1 C02
2021.11.21 Borsuk, Konstantin (2432) vs (2141) Sahithi, Varshini M
Vezerkepzo IM November 2021
Nimzo-Indian - Kmoch
1-0 E20
2021.11.20 Graif, William (2216) vs (2432) Borsuk, Konstantin
Vezerkepzo IM November 2021
French - Schlechter
0-1 C01
2021.11.19 Borsuk, Konstantin (2432) vs (2220) Daroczi, Donat
Vezerkepzo IM November 2021
Semi-Slav - Stoltz
1-0 D45
2021.11.18 Jakab, Attila (2326) vs (2432) Borsuk, Konstantin
Vezerkepzo IM November 2021
Nimzo-Indian St. Petersburg Rubinstein (Normal)
1/2-1/2 E47
2021.11.16 Graif, William (2216) vs (2432) Borsuk, Konstantin
First Saturday IM November 2021
French - Schlechter
1-0 C01
2021.11.15 Borsuk, Konstantin (2432) vs (2196) Walker, Martin G
First Saturday IM November 2021
Gruenfeld Saemisch - Capablanca
1-0 D83
2021.11.14 Bossy, Arnim (2191) vs (2432) Borsuk, Konstantin
First Saturday IM November 2021
Indian Knight - London
0-1 A46
2021.11.13 Borsuk, Konstantin (2432) vs (2191) Adarsh, Tripathi
First Saturday IM November 2021
Benko Gambit - Half-Accepted
1-0 A57
2021.11.12 Chakravarthi Reddy, M (2332) vs (2432) Borsuk, Konstantin
First Saturday IM November 2021
Bogo-Indian
0-1 E11
2021.11.11 Borsuk, Konstantin (2432) vs (2141) Sahithi, Varshini M
First Saturday IM November 2021
Queen's Indian Fianchetto - Rubinstein
1-0 E15
2021.11.10 Lyell, Mark (2108) vs (2432) Borsuk, Konstantin
First Saturday IM November 2021
Sicilian Alapin
0-1 B22
2021.11.09 Borsuk, Konstantin (2432) vs (2304) Hansen, Soren Bech
First Saturday IM November 2021
Nimzo-Indian Classical
1-0 E32
2021.11.08 Martic, Zlatko (2286) vs (2432) Borsuk, Konstantin
First Saturday IM November 2021
French Advance Winawer
1-0 C16
2021.11.07 Borsuk, Konstantin (2432) vs (2264) Mohamed Ahmed, Khaled
First Saturday IM November 2021
Gruenfeld Saemisch - Landau
1-0 D82
2021.11.06 Borsuk, Konstantin (2432) vs (2365) To, Nhat Minh
First Saturday IM November 2021
Nimzo-Indian Classical
1/2-1/2 E32
2020.09.21 Nikolov, Momchil (2549) vs (2407) Borsuk, Konstantin
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
Bogo-Indian - Gruenfeld
1-0 E11
2020.09.20 Mitev, Valentin (2194) vs (2407) Borsuk, Konstantin
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
Benko's opening
0-1 A00
2020.09.19 Borsuk, Konstantin (2407) vs (2372) Salimova, Nurgyul
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
English Anglo-Indian - King's Fianchetto
0-1 A15
2020.09.18 Valev, Valentin (2020) vs (2407) Borsuk, Konstantin
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
English Closed Sicilian - Botvinnik
0-1 A26
2020.09.17 Borsuk, Konstantin (2407) vs (2553) Solodovnichenko, Yuri
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
Modern
0-1 A41
2020.09.16 Petrov, Martin (2525) vs (2407) Borsuk, Konstantin
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
French Tarrasch (Guimard) - Byrne
1/2-1/2 C04
2020.09.15 Borsuk, Konstantin (2407) vs (2124) Karadzhov, Ivan
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
Semi-Slav - Stoltz
1-0 D45
2020.09.14 Yanev, Yordan (1909) vs (2407) Borsuk, Konstantin
PRIMORSKO OPEN A/????????? ???? ?, 14-22.09.2020
French Advance Winawer
0-1 C16
2019.08.21 Ovsejevitsch, Sergei (2591) vs (2372) Borsuk, Konstantin
Cup of Lviv (standart)
Queen's Indian - Russian
1-0 E12
2019.08.21 Borsuk, Konstantin (2372) vs (2459) Galperin, Platon
Cup of Lviv (standart)
Nimzo-Indian Berlin
1/2-1/2 E38
2019.08.20 Firman, Nazar (2512) vs (2372) Borsuk, Konstantin
Cup of Lviv (standart)
French Winawer - Maroczy
0-1 C15
2019.08.20 Borsuk, Konstantin (2372) vs (2447) Gadimbayli, Abdulla
Cup of Lviv (standart)
Indian - Saemisch (Marienbad)
1/2-1/2 A50
2019.08.19 Kjartansson, Gudmundur (2453) vs (2372) Borsuk, Konstantin
Cup of Lviv (standart)
Queen's Indian - Miles
1/2-1/2 E12
2019.05.03 Klasan, Vladimir (2366) vs (2368) Borsuk, Konstantin
49th International Tournament Bosna 2019
Indian Knight - London
1/2-1/2 A46
2019.05.02 Borsuk, Konstantin (2368) vs (2347) Bistric, Faruk
49th International Tournament Bosna 2019
Irregular Queen's Pawn - Franco-Indian
1-0 A40
2019.05.01 Borsuk, Konstantin (2368) vs (2288) Maksimovic, Bojan
49th International Tournament Bosna 2019
English - Kotov (Beefeater)
1-0 A40
2019.04.30 Brkic, Ante (2560) vs (2368) Borsuk, Konstantin
49th International Tournament Bosna 2019
French Advance Winawer - Petrosian
1-0 C16
2019.04.30 Sitnic, Adnan (2174) vs (2368) Borsuk, Konstantin
49th International Tournament Bosna 2019
Sicilian Macdonnell
0-1 B21
2019.04.29 Borsuk, Konstantin (2368) vs (2135) Bucan, Eldin
49th International Tournament Bosna 2019
English Anglo-Indian - Bronstein
1-0 E62
2019.04.28 Kadric, Denis (2542) vs (2368) Borsuk, Konstantin
49th International Tournament Bosna 2019
Caro-Kann - Advance
1-0 B12
2019.04.28 Borsuk, Konstantin (2368) vs (2147) Alihodzic, Muzafer
49th International Tournament Bosna 2019
Slav
1-0 D10
2019.04.27 Zenelaj, Samuel (1916) vs (2368) Borsuk, Konstantin
49th International Tournament Bosna 2019
French - Exchange
0-1 C01
2019.03.29 Borsuk, Konstantin (2346) vs (2211) Uzumcu, Ahmet Utku
European Individual Chess Championship 2019
Reti Symmetrical
1-0 A05
2019.03.28 Lagarde, Maxime (2631) vs (2346) Borsuk, Konstantin
European Individual Chess Championship 2019
Nimzovich - English
1-0 A01
2019.03.27 Plenca, Jadranko (2487) vs (2346) Borsuk, Konstantin
European Individual Chess Championship 2019
Caro-Kann - Two Knights (Mindeno)
1/2-1/2 B11
2019.03.26 Borsuk, Konstantin (2346) vs (2466) Costachi, Mihnea
European Individual Chess Championship 2019
King's Indian Classical
0-1 E91
2019.03.25 Dragnev, Valentin (2511) vs (2346) Borsuk, Konstantin
European Individual Chess Championship 2019
Bogo-Indian - Nimzovich
1-0 E11
2019.03.24 Borsuk, Konstantin (2346) vs (2477) Livaic, Leon
European Individual Chess Championship 2019
Nimzo-Indian Milner-Barry - Old Zurich
1-0 E33
2019.03.22 Shevchenko, Kirill (2535) vs (2346) Borsuk, Konstantin
European Individual Chess Championship 2019
Nimzo-Indian Three Knights
1-0 E21
2019.03.21 Borsuk, Konstantin (2346) vs (2510) Demuth, Adrien
European Individual Chess Championship 2019
Nimzo-Indian Classical
1-0 E32
2019.03.20 Roch, Florian (1916) vs (2346) Borsuk, Konstantin
European Individual Chess Championship 2019
French Advance Winawer
0-1 C16
2019.03.19 Borsuk, Konstantin (2346) vs (2618) Smirin, Ilia
European Individual Chess Championship 2019
King's Indian Classical
0-1 E91
2019.03.18 Goganov, Aleksey (2610) vs (2346) Borsuk, Konstantin
European Individual Chess Championship 2019
Queen's Indian Classical
1/2-1/2 E18

Konstantin Borsuk - Other possible chess games

Date Players & Opening Result ECO View
2002.02.20 Askarov, M. (2207) vs Borsuk, Konstantin
Petrov Mem Open
English Sicilian
0-1 A20
2002.02.19 Borsuk, Konstantin vs (2273) Vunder, A.
Petrov Mem Open
Queen's Gambit Declined - Charousek
1/2-1/2 D31
2002.02.18 Yashtylov, A. (2370) vs Borsuk, Konstantin
Petrov Mem Open
English Sicilian
1-0 A20
2002.02.17 Borsuk, Konstantin vs (2317) Zemerov, V.
Petrov Mem Open
Nimzo-Indian Milner-Barry
1/2-1/2 E33
2002.02.16 Ayupov, D. (2347) vs Borsuk, Konstantin
Petrov Mem Open
Queen's Indian - Petrosian
1-0 E12
2002.02.15 Borsuk, Konstantin vs (2242) Kantaria, M.
Petrov Mem Open
Nimzo-Indian Berlin - Franco-Indian
1-0 E38
2002.02.14 Tsigelnitskiy, I. (2321) vs Borsuk, Konstantin
Petrov Mem Open
Caro-Kann - Advance (Short)
1/2-1/2 B12
2002.02.13 Borsuk, Konstantin vs (2264) Aleksandrov, D.
Petrov Mem Open
Queen's Gambit Declined - Exchange
1/2-1/2 D35
2002.02.12 Mukhin, G. (2373) vs Borsuk, Konstantin
Petrov Mem Open
Reti Gambit - Neo-Catalan
1-0 A13

Konstantin Borsuk, PGN chess games