Tkachenko

16228 White wins
59. С.Ткаченко 2004

16271 Draw
27. С.Ткаченко
Ход черных 2000

16311 Draw
23. Н.Мансарлийский и С.Ткаченко 2000

16315 Draw
27. С.Ткаченко 2000

16357 Draw
69. С.Ткаченко 2000

16361 Draw
73. С.Ткаченко 1999

16380 Draw
92. С.Ткаченко

16425 Draw
37. С.Ткаченко

16481 Draw
93. С.Ткаченко и Б.Рыбников 1989

17779 White wins
Tkachenko, Sergey I
Die Schwalbe 2017-2018 2018

17815 White wins
S.Tkachenko and N.Rezvov
Pervakov 60 JT, 7 hm 2020

18048 White wins
S.N. Tkachenko 1990

18526 White wins
Tarasiuk=V Tkachenko=SN - (+0100.13e8b8)
3.c EG-50 AT 2015

18766 Draw
S.N.Tkachenko
5 Prize S.Belokon-75 MT 2014

18778 Draw
S.N.Tkachenko
sp. hm S.Belokon-75 MT 2014

19217 White wins
Vladislav Tarasiuk, Sergiy Tkachenko
4th prize

19219 White wins
Sergiy Tkachenko
6th prize

19464 Draw
Tkachenko Sergei N - (Ukraine)
Bogatyrchuk-120 MT, 2 prize 2013

20010 White to play
Notkin=M & Tkachenko=S
3.p Loshinski & Umnov 100 2012

20033 White to play
Tkachenko=S
2.p Zinchuk 75 MT 2012

20043 White to play
Gorgiev=T & Tkachenko=S
Sp.p Zinchuk MT 2012

20160 Draw
Sergij Didukh, Sergej I.Tkachenko - study 807
1st Prize, ־limpiya dunyasi 2012

20206 White wins
Sergej Tkachenko
Sachova skladba 2011-2012 2013

20449 White wins
Rezvov=N Tkachenko=SN - [+0301.21a8f4
1.p Selivanov-30 JT 1997

20457 Draw
Tkachenko=SN Mansarliisky=N - [=0101.03e4c4
4.p Selivanov-30 JT @1 @2 1997

20458 Draw
Tkachenko=SN Mansarliisky=N - [=0131.02h4f5
4.p Selivanov-30 JT {v} 1997

20703 White wins
E1029 Nikolay Rezvov (Ukraine - Sergei N.Tkachenko (Ukraine)
The Problemist, 4 commendation 2010

20949 Draw
S.N. Tkachenko
2 prize Pervakov-50 JT 2010

21001 White wins
Aberman=V, Tkachenko=S.N
s.hm Pobeda 65 2010

21088 Draw
Rezvov=N Tkachenko=SN
1.p Problemist of Ukraine 2010

21153 White to play
Tkachenko=S.N
Comm. UralProblemist 2010

21154 White to play
Tkachenko=S.N
Comm. UralProblemist 2010

21225 White to play
Tkachenko-S
3.hm World Cup 2010 2010

21235 White wins
Didukh=S , Tkachenko=S.I. - (Ukraine)
3.p NONA 2010 2010

21361 Draw
Oleg Pervakov (Russia), S.N.Tkachenko (UKR)
2.HM, Aleksandr Sarychev-100 MT 2009

21432 White to play
Pervakov=O, Tkachenko=S
1.p ARVES 20th Anniversary Ty. 2009

21439 White to play
Tkachenko=SN
1.c ARVES 20th Anniversary Ty. 2009

21686 Black wins
N.Rezvov & S.Tkachenko
4 p. Korolkov 100 MT 2008

21777 White wins
Tkachenko=SN
2.Prize, Uralsky Problemist -15 JT 2008

21805 Draw
Sergei I.Tkachenko (Ukraine)
Special comm, MatPlus 2008

21901 Draw
S.Tkachenko
3 p. Problemist of Ukraine 2005-08 2010

22047 White wins
Tkachenko=SN
2.Prize, Uralsky Problemist -15 JT 2008

22075 White wins
S.Tkachenko
3rd comm-Alexander Hildebrand MT 2007

22151 White to play
N.Rezvov & S.Tkachenko
1p Dvoretski 60 JT 2007

22215 Draw
Rezvov=N, Tkachenko=S.N
.p Razumenko-70 JT Zadachy i Etyudy 2007

22356 Black to play
S.Tkachenko
3rd-4th prizes, Nona 2007, main 2007

22491 White wins
Tkachenko=S
3.Prize, Die Schwalbe 2005-2006

22496 White wins
Tkachenko=S
1.Comm, Die Schwalbe 2005-2006

22680 White wins
Tkachenko=SI - [+0410.23a8g6
3.c Rossi-80 JT Best Problems 2005

22710 White to play
S.Tkachenko
2.c. Shahmatna Misal 2005

22937 Draw
Tkachenko, A. N.
Josten65_2ndhm 2003

22968 Draw
Rezvov=N Tkachenko=SN - [=3130.31f8b3
1.hm Sochniev-40 JT Zadatschy & Etudjy 2002

23044 Draw
Tkachenko=SN Mansarliisky=N - [=3061.30e6g7
2/5.p Kralin-55 JT 2000

23124 Draw
Rezvov=N Tkachenko=SN - [=0614.32c4g8
2/3.p Tsjechover-90 MT Shakhmaty Peterb 1999

23264 White wins
Tkachenko=SN - [+0002.12f7a5
1.hm Hastings Ty EG 1995