[Event "Casual Game"]
[Site "Jyväskylä FIN"]
[Date "1986.??.??"]
[Round "-"]
[White "Vesterinen, Mika"]
[Black "Heikkinen, Jyrki"]
[Result "0-1"]
[TimeControl "300"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.Nf3 f6 6.Bf4 Be7 7.g3 O-O 8.Bg2 fxe5
9.dxe5 c5 10.Ne2 Nc6 11.O-O? g5! 12.Be3 Ncxe5 13.Nxe5 Nxe5 14.c3 b6 15.b3 Ba6
16.c4 dxc4!! 17.Bxa8 Qxa8 18.Nc3 Qc6 19.f3 cxb3 20.Rf2 Nd3 21.Rd2 b2 22.Rb1 c4
23.Rbxb2 Rxf3! 24.Rxd3 cxd3 25.Bf2 Bb7 0-1

[Event "Finland Team Ch"]
[Site "Helsinki FIN"]
[Date "1998.11.21"]
[Round "3"]
[White "Heikkinen, Jyrki"]
[Black "Pihlajamäki, Antti"]
[Result "1-0"]
[Section "II Division"]
[Board "3"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Käpylän Shakkikerho 2"]
[WhiteElo "1901"]
[BlackElo "1779"]
[TimeControl "40/7200:1800"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 Be7
9.Qg4 g6 10.h4 h5 11.Qh3 Bb4 12.g4 hxg4 13.Qxg4 Qa5 14.Kd2 Nc5 15.Bd3 Na4
16.Nb3 Bxc3+ 17.bxc3 Qxc3+ 18.Ke2 Ne7 (18...Nb2? 19.Bd2 Nd4+ 20.Kf1 {+-})
19.h5 gxh5 20.Rxh5 Rg8 21.Rg5 Rxg5 22.Qxg5 Bd7 23.Rh1 Ng6 24.Bxg6 Bb5+ 25.Kf2
Kd7 26.Rh7 Rg8 27.Qf6 1-0

[Event "Casual Game"]
[Site "Helsinki FIN"]
[Date "2001.05.23"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Turtiainen, Kimmo"]
[Result "1-0"]
[TimeControl "300"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 c4 8.Be2 Be7 9.O-O
Nb4? 10.Ng5 h6?? 11.Nxe6 fxe6 12.Bh5+ Kf8 13.Qg4 Nb6 14.Qg6 Kg8 15.Qf7+ 1-0

[Event "Finland Team Ch"]
[Site "Helsinki FIN"]
[Date "2003.10.25"]
[Round "2"]
[White "Heikkinen, Jyrki"]
[Black "Tuomala, Timo"]
[Result "0-1"]
[Section "I Division"]
[Board "3"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Kulttuuri-Shakki -58"]
[TimeControl "40/7200:1800"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.Bg5 Be7 5.e5 Nfd7 6.h4 Bxg5 7.hxg5 Qxg5 8.Rh5 Qe7
9.Qg4 f5 10.Qh3 g6 11.Rh6 Nf8 12.O-O-O Bd7 13.f4 Nc6 14.Nf3 Nd8 15.Ng5 Nf7
16.Nxf7 Qxf7 17.g4 fxg4 18.Qxg4 O-O-O 19.Bd3 a6 20.Rdh1 Rg8 21.Qg5 Rg7 22.Rg1
Qe7 23.Qg4 Rf7 24.a3 c5 25.dxc5 Qxc5 26.Rg3 Kb8 27.Rf3 Rc8 28.Qg2 Bc6 29.Kb1
Rfc7 30.Qe2 Qb6 31.Rh1 Be8 32.Na2 h5 33.Rg3 Ba4 34.Rc1 Qd4 35.Rf3 Be8 36.Nb4
a5 37.Na2 Nd7 38.Nc3 Nb6 39.Bb5 Nc4 40.Rd1 Qb6 41.Bxc4 Rxc4 42.Qf2 Qc5 43.Qxc5
R8xc5 44.Rf2 Rc7 45.Rg1 b5 46.Nd1 Re4 47.b3 b4 48.a4 h4 49.Rh1 g5 50.fxg5 Bg6
51.Rf6 Bf5 52.g6 Rxe5 53.Rh2 Re1 54.Kc1 Rg1 55.Rxh4 Rxc2+ 56.Kb1 Rxd1# 0-1

[Event "Finland Team Ch"]
[Site "Helsinki FIN"]
[Date "2006.02.11"]
[Round "5"]
[White "Heikkinen, Jyrki"]
[Black "Tervaniemi, Kimmo"]
[Result "1-0"]
[Section "II Division"]
[Board "3"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Shakkikerho X"]
[TimeControl "40/7200:1800"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Qb6 8.Qd2? (8.a3)
a6? (8...Qxb2) 9.O-O-O Qc7 10.g4 cxd4 11.Nxd4 Bc5 12.h4 Nxd4 13.Bxd4 Bxd4
14.Qxd4 Qc5 15.Qd2 b5 16.Bg2 Nb6 17.Ne4 Qc7 18.Nd6+ Ke7 19.Qb4 (19.f5 f6
20.Nxc8+ Raxc8 21.exf6+ gxf6 22.fxe6 Qc4 23.g5) Kd8 20.Rh3 Nc4 21.Rc3 a5
22.Qb3 Rb8 23.Nxb5 Qb6 24.Qxc4 Bd7 25.Qc7+ Qxc7 26.Nxc7 1-0

[Event "Finland Team Ch"]
[Site "Järvenpää FIN"]
[Date "2007.11.17"]
[Round "3"]
[White "Heikkinen, Jyrki"]
[Black "Asikanius, Kauko"]
[Result "1-0"]
[Section "III Division"]
[Board "1"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Järvenpään Shakkikerho 2"]
[TimeControl "40/7200:1800"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Qb6 8.a3 cxd4
9.Nxd4 Nxd4 10.Bxd4 Bc5 11.Bxc5 Qxc5 12.Qd2 a6 13.O-O-O Nb6?? 14.Ne4 Qc6
15.Nd6+ Ke7 16.Qb4 1-0

[Event "Finland Team Ch"]
[Site "Tammisaari FIN"]
[Date "2008.10.04"]
[Round "2"]
[White "Heikkinen, Jyrki"]
[Black "Öberg, Tommy"]
[Result "1-0"]
[Section "II Division"]
[Board "1"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Ekenäs Schackklub"]
[TimeControl "40/7200:1800"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 Nxd4
9.Bxd4 a6 10.Qd2 (10.Qg4) Bc5 11.O-O-O b5? 12.Ne4 Be7 13.Nd6+ Bxd6 14.exd6 f6
15.Qe3 Kf7 16.Bd3 Re8? 17.Bxh7 Nf8 (17...g6 18.f5 exf5 19.Qh6) 18.Bd3 Qxd6
19.h4 Nd7 20.h5 Rh8 21.Rde1 Nf8 22.g4 Bd7 23.g5 Rc8 24.gxf6 gxf6 25.Bxf6 1-0

[Event "Helsinki Rapid Team Ch"]
[Site "Helsinki FIN"]
[Date "2009.04.21"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Sammalvuo, Niina"]
[Result "1-0"]
[Section "A"]
[Board "1"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Käpylän Shakkikerho"]
[WhiteElo "2084"]
[BlackElo "2238"]
[BlackTitle "WGM"]
[TimeControl "900"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 b6 6.Nf3 Bb7 7.Be3 c5 8.Nb5 a6 9.Nd6+
Bxd6 10.exd6 Nc6 11.Ne5 cxd4 12.Bxd4 Ndxe5 13.fxe5 Qh4+ 14.Bf2 Qe4+ 15.Be2
Qxe5 16.d7+ Kxd7 17.O-O f5 18.Bxb6 g5 19.a4 h5 20.Ra3 g4 21.Re3 Qd6 22.c4 d4
23.Rd3 e5 24.Rxf5 Nb4 25.Bxg4 (25.Rxd4! exd4 26.Bc5 Qh6 27.Rf7+ Kc6 28.Bxd4
Rad8 29.Bf3+ gxf3 30.Qxf3+ Rd5 31.Rf6+ {+-}) hxg4 26.Qxg4 Ke8?? (26...Rag8
{-+}) 27.Qg7 Nxd3 28.Qf7# 1-0

[Event "Casual Game"]
[Site "Helsinki FIN"]
[Date "2009.06.24"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Jalas, Aaro"]
[Result "1-0"]
[TimeControl "900"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 Bc5
9.Na4 Qa5 10.c3 Bxd4 11.Bxd4 Nxd4 12.Qxd4 O-O 13.Be2 b6 14.Bd1 Qb5 15.Be2 Qa5
16.O-O Ba6 17.Bxa6 Qxa6 18.b3 Rac8 19.Nb2 Nc5 20.f5 Ne4 21.c4 Rfd8 22.f6 g6
23.Qe3 g5 24.a4 Qb7 25.Qh3 Kf8?? 26.Qxh7 Ke8 27.Qg8+ Kd7 28.Qxf7+ Kc6 29.Qxe6+
1-0

[Event "SPS Firm League"]
[Site "Helsinki FIN"]
[Date "2009.11.19"]
[Round "3"]
[White "Heikkinen, Jyrki"]
[Black "Tella, Jussi"]
[Result "0-1"]
[Board "1"]
[WhiteTeam "Nokia"]
[BlackTeam "CSC"]
[WhiteElo "2072"]
[BlackElo "2470"]
[BlackTitle "IM"]
[TimeControl "40/5400:1800"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 Bc5
9.Qd2 O-O 10.Be2 a6 11.O-O Qc7 12.Rf3 Nxd4 13.Bxd4 b5 14.Rh3 f6 15.Bg4? Qb6
16.Bxc5 Nxc5 17.Kh1 fxe5 18.b4 Ne4 19.Nxe4 dxe4 (19...Rxf4!) 20.fxe5 Bb7
21.Qe3 Qxe3 22.Bxe6+ Kh8 23.Rxe3 Rae8 24.Bb3 Rxe5 25.Rd1 h6 26.h3 Re7 27.Kg1
g5 28.Rd6 Kg7 29.Bd5 (29.c4 bxc4 30.Bxc4 Rf6) Bxd5 30.Rxd5 Kg6 31.Rd4 Kf5
32.g3 (32.c4) Rf6 33.Kg2 h5 34.g4+? hxg4 35.hxg4+ Kxg4 36.Rdxe4+ Rxe4 37.Rxe4+
Rf4 38.Re6 Rxb4 39.Rxa6 Rc4 40.Kf2 Rxc2+ 41.Ke3 Kg3 42.Kd3 Rf2 43.Ra5 g4
44.Rxb5 Rxa2 45.Ke3 Ra8 46.Rh5 Re8+ 47.Kd2 Kf2 48.Rf5+ Kg2 49.Rh5 g3 50.Rh7
Kf2 51.Rf7+ Kg1 52.Rh7 g2 53.Rh6 Re5 54.Rh7 Kf2 55.Rf7+ Kg3 0-1

[Event "Lauttasaari Cup"]
[Site "Helsinki FIN"]
[Date "2010.03.11"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Mäki-Fränti, Petri"]
[Result "1-0"]
[TimeControl "1800"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Be7 8.Qd2 cxd4
9.Nxd4 Nxd4 10.Bxd4 Nc5 11.O-O-O Bd7 12.Qf2 Qa5 13.Kb1 (13.f5 exf5 14.Bb5) Na4
14.Nxa4 Qxa4 15.g4 (15.f5 exf5 16.Bd3) Bb5 16.f5 Bc4? 17.b3 Qb5 18.Bh3 a5
(18...Qb4 19.fxe6 fxe6 20.g5 {+-}) 19.Ka1 Bxb3 20.cxb3 a4 21.bxa4 Qxa4 22.Qb2
(22.g5) b5 23.Rd3 b4 24.fxe6 fxe6 25.g5 Kd7 26.Be3 Qb5 27.Rhd1 Ke8 28.Bxe6 Rf8
29.Rxd5 Rf1 30.Bd7+ Qxd7 31.Rxd7 1-0

[Event "SPS Firm League"]
[Site "Helsinki FIN"]
[Date "2010.05.06"]
[Round "1"]
[White "Heikkinen, Jyrki"]
[Black "Korhonen, Pasi"]
[Result "1-0"]
[Board "2"]
[WhiteTeam "Nokia"]
[BlackTeam "Taksi"]
[WhiteElo "2091"]
[BlackElo "2183"]
[TimeControl "300"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 Be7
9.Qd2 a6 10.O-O-O Nxd4 11.Bxd4 Bc5 12.Ne4 dxe4 13.Bxc5 Qc7 14.Bd6 Qc6 15.Qe3
Nb6 16.Qg3 Bd7 17.Qg5 f6 18.exf6 O-O-O 19.fxg7 Rhg8 20.h4 Nd5 21.Be5 Ne3
22.Rd2 Nf5 23.Rh3 h6 24.Qf6 Nxg7 25.Rc3 Nf5 26.Rxc6+ bxc6 27.Bxa6# 1-0

[Event "Finland Blitz Team Ch"]
[Site "Tampere FIN"]
[Date "2010.07.31"]
[Round "6"]
[White "Heikkinen, Jyrki"]
[Black "Alhava, Antero"]
[Result "1-0"]
[Board "1"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Leppävaaran Sisu"]
[WhiteElo "2091"]
[BlackElo "2134"]
[TimeControl "300"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Be7 7.Be3 Nc6 8.Qd2 a6 9.Be2
g6 10.O-O b5 11.a3 Bb7 12.Kh1 Rc8 13.Rad1 Qb6 14.dxc5 Bxc5 15.Bxc5 Qxc5?
16.Ne4 Qb6 17.Nd6+ Ke7 18.Nxc8+ (18.Ng5!) {no more moves recorded} 1-0

[Event "Finland Team Cup"]
[Site "Helsinki FIN"]
[Date "2013.05.25"]
[Round "3"]
[White "Heikkinen, Jyrki"]
[Black "Riipinen, Juha"]
[Result "1/2-1/2"]
[Board "2"]
[WhiteTeam "Lauttasaaren Shakkikerho"]
[BlackTeam "Hakumatti -93"]
[WhiteElo "2054"]
[BlackElo "1960"]
[TimeControl "40/6600:1800+30"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 a6 8.Qd2 b5 9.Be2
cxd4 10.Nxd4 Nxd4 11.Bxd4 Bc5 12.Bxc5 Nxc5 13.a3 (13.b4) Bb7 14.Qd4 Ne4
15.Nxe4 dxe4 16.Qxd8+ Rxd8 17.Rd1 Ke7 18.Rxd8 Rxd8 19.Kf2 f5 20.exf6+ gxf6
21.Ke3 Rc8 22.c3 Bd5 23.Re1 f5 24.Bd1 Bc4 25.Bc2 1/2-1/2

[Event "Lauttasaari Sauna Tournament"]
[Site "Helsinki FIN"]
[Date "2016.06.20"]
[Round "5"]
[White "Heikkinen, Jyrki"]
[Black "Laakso, Harri"]
[Result "1-0"]
[WhiteElo "2036"]
[BlackElo "2209"]
[TimeControl "300"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Be7 8.a3 O-O 9.h4
f6 10.Bd3 cxd4 11.Bxh7+ Kh8?? 12.Bg6 Ndxe5 13.Nxe5 1-0

[Event "Finland Team Ch"]
[Site "Helsinki FIN"]
[Date "2017.10.22"]
[Round "4"]
[White "Heikkinen, Jyrki"]
[Black "Sandvik, Thomas"]
[Result "1-0"]
[Section "I Division:B"]
[Board "4"]
[WhiteTeam "Lauttasaaren Suomalainen Shakkikerho"]
[BlackTeam "Shakkikerho Garde"]
[WhiteElo "2050"]
[BlackElo "2068"]
[TimeControl "40/6600:1800+30"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 a6 8.Qd2 b5 9.g3
Qb6 10.Ne2 f6 11.c3 cxd4 12.Bxd4 Nxd4 13.cxd4 fxe5 14.fxe5 Be7 15.Nf4 O-O
16.h4 Nb8 17.Bd3 Nc6 18.O-O-O Nb4 19.Ng5 g6 20.Nxh7 Kxh7 21.h5 Nxd3+ 22.Qxd3
Qc7+ 23.Kb1 Rf5 24.hxg6+ Kg8 25.Rh7 Qd8 26.Rdh1 Bf6 27.exf6 Qxf6 28.Rh8+ Qxh8
29.Rxh8+ Kxh8 30.Qe2 Ra7 31.Qc2 Bd7 32.Qh2+ Kg7 33.Qh7+ Kf6 34.Qh8+ 1-0

[Event "Casual Game"]
[Site "Helsinki FIN"]
[Date "2019.03.06"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Siren, Rafael"]
[Result "1-0"]
[TimeControl "120"]

1.d4 e6 2.e4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 b6 6.a4 c5 7.Nb5 Nc6 8.c3 Ba6??
9.Nd6+ Bxd6 10.Bxa6 Be7 11.Be2 c4 12.Nf3 O-O 13.O-O Na5 14.Be3 Nb3 15.Rb1 a6
16.h3 b5 17.axb5 axb5 18.Nh2 Ra2 19.f5 h6 20.Bg4 f6?? 21.fxe6 Nb8 22.Bf5 Nc6
23.Bxh6 Qe8 24.Bxg7 Kxg7 25.Qg4+ Kh8 26.Qh4+ Kg8 27.Qh7# 1-0

[Event "Casual Game"]
[Site "Helsinki FIN"]
[Date "2019.03.20"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Svensson, Magnus"]
[Result "1-0"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 f5 6.Nf3 Nc6 7.Bb5 Bb4 8.O-O Qe7
9.Be3 Nb6 10.Ng5 a6 11.Be2 Nc4 12.Bxc4 dxc4 13.Ne2 h6 14.Nh3 Bd7 15.c3 Ba5
16.b3 cxb3 17.axb3 Bb6 18.Qd3 Na5 19.c4 Nc6 20.Bc1 O-O-O 21.Ba3 Nb4 22.Qd2
a5?? 23.c5 (23.Bxb4) Ba7 24.Bxb4 b6 25.Qd3 Bc6 26.cxb6 Qxb4 27.bxa7 Bb7 28.Qa6
Bxa6 29.a8=Q+ Qb8 30.Qxa6+ Kd7 31.Rxa5 Qxb3 32.Rc1 Ra8 33.Rxc7+ (33.Qc6+) Kxc7
34.Qd6+ Kb7 35.Qd7+ Kb6 36.Rxa8? (36.Rc5) Rxa8 37.Kf2?? Rg8?? (37...Ra3 {=})
38.Qf7 Ra8 39.g3 Ra3 40.Nhg1 g5 41.Qf6 gxf4 42.gxf4 h5 43.Qd8+ Kb7 44.Qh4 Qe3+
45.Kg2 Qe4+ 46.Kf1 Kc6 47.Qxh5 Qe3 48.Qe8+ Kd5 49.Qd7+ Ke4 50.Qxe6 Kd3
51.Qxf5+ Kd2 52.Qb1 Rd3 53.Qc1# 1-0

[Event "Lauttasaari Cup"]
[Site "Helsinki FIN"]
[Date "2020.09.07"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Tuovinen, Jukka"]
[Result "1/2-1/2"]
[Stage "Final"]
[TimeControl "1200+10"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 a6 8.Qd2 Be7 9.Be2
O-O 10.O-O b5 11.Nd1 cxd4 12.Nxd4 Bb7 13.c3 Rc8 14.Nf2 Qc7 15.Bd1 Nc5 16.Bc2
g6 17.Rac1 Rfd8 18.Nxc6 Qxc6 19.Bd4 Nd7 20.Ng4 h5 21.Ne3 (21.Nh6+!) (21.f5!)
Nc5 22.Qe2 Ne4 23.g4 h4 24.f5 Bg5 25.fxg6 fxg6 26.Bd3 Rf8 27.Rxf8+ Rxf8 28.Rf1
Qe8 29.Rxf8+ Qxf8 30.Qf1 Qxf1+ 31.Kxf1 Bf4 32.Ng2 Bxh2 33.Nxh4 g5 34.Nf3 Bf4
35.Ke2 Kg7 36.Be3 Bxe3 37.Kxe3 Kh6 38.Bxe4 dxe4 39.Nd2 Bd5 40.b3 a5 41.c4 bxc4
42.bxc4 Bc6 43.Nxe4 1/2-1/2

[Event "Casual Park Game"]
[Site "Helsinki FIN"]
[Date "2021.07.31"]
[Round "-"]
[White "Koymatli, Nihal"]
[Black "Heikkinen, Jyrki"]
[Result "1-0"]

1.e4 e6 2.Nc3 d5 3.d4 Nf6 4.e5 Nfd7 5.Bd3?! c5 6.Be3 (6.f4) Nc6 7.Nf3 cxd4
8.Nxd4 Ndxe5 9.Bf4 Ng6 (9...Bd6) 10.Nxc6 (10.Bxg6! hxg6 11.Ndb5 e5) bxc6
11.Bg3 Bc5 12.Qe2 O-O 13.O-O-O Qa5 14.Kb1 Bb4 15.Bxg6 hxg6 16.Qf3 Ba6 17.Ne2
(17.h4 Bc4 18.h5) Rfc8? (17...e5 18.Bxe5 Bxe2 19.Qxe2 Rfe8) 18.h4 c5? 19.h5
g5? 20.h6 c4? 21.h7+ (21.hxg7! f5 (21...Kxg7 22.Rh7+ Kxh7 23.Qxf7+ Kh6
24.Rh1#) 22.Qh5) Kh8 22.Be5 f5 23.Ng3? (23.Qg3 Bf8 24.Qxg5 Bb5 25.Bxg7+ Bxg7
26.Nf4 Be8 27.Qxg7+ Kxg7 28.h8=Q+ Kf7 29.Rh7#) Rc7 24.Nh5 Rb7 (24...Kxh7??
25.Nf6+ Kg6 26.Qh5#) 25.Nxg7 Rxg7 26.Bxg7+ Kxg7 27.h8=Q+ Rxh8 28.Rxh8 Kxh8
29.Qh5+ Kg7 30.Qxg5+ Kf7 31.Rh1 Ke8 32.Rh7 Bf8 33.Qg6+ Kd8 34.Qf6+ Kc8
35.Qxf8+ Qd8 36.Qc5+ Kb8 37.Qxa7+ Kc8 38.Qa8# 1-0

[Event "Casual Game"]
[Site "Helsinki FIN"]
[Date "2021.12.22"]
[Round "-"]
[White "Poikala, Atro"]
[Black "Heikkinen, Jyrki"]
[Result "0-1"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.Qd2 h6 6.Bf4 Nxe4 7.Qe3 g5 8.Be5 f6
9.Bg3 f5 10.Be5 O-O 11.a3 f4? 12.Qh3 Bxc3+ 13.bxc3 Kh7 14.f3 Nd6 15.Bd3+ Nf5
16.g4 Nc6 17.gxf5 exf5 18.O-O-O Nxe5 19.dxe5 Qe7 20.Re1 Qxa3+ 21.Kd2 Be6
22.Ne2 Qe7 23.Nd4 Qf7 24.Nxf5?? (24.Rhg1) Bxf5 25.Bxf5+ (25.e6 Kg7!) Qxf5
26.Qxf5+ Rxf5 27.e6 c5 28.Re2 Re8 29.Ra1 a6 30.Ra5 c4 31.Rc5 Kg6 32.e7 Rf7
33.Re6+ Rf6 34.Re5 Rd6 {no more moves recorded} 0-1

[Event "Lauttasaari Cup"]
[Site "Helsinki FIN"]
[Date "2022.08.23"]
[Round "?"]
[White "Heikkinen, Jyrki"]
[Black "Valli, Kari"]
[Result "1-0"]
[TimeControl "480+4"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.Bg5 Be7 5.e5 Nfd7 6.h4 h6 7.Be3 c5 8.g3 (8.Qg4)
Nc6 9.f4 Qb6 10.Na4 Qa5+ 11.c3? (11.Nc3) Rb8? (11...cxd4) 12.dxc5 Nxc5?
(12...b5) 13.Nxc5 Bxc5 14.b4 Bxb4 15.cxb4 Qxb4+ 16.Kf2 a6 17.Nf3 b5 18.Rc1 Bb7
19.Bc5 Qe4 20.Bd3 Qa4 21.Qxa4 bxa4 22.Rb1 Kd7 23.Bd6 f6 24.Bxb8 Rxb8 25.Rb6
Kc7 26.Rhb1 Ba8 27.Rxb8 Nxb8 28.Nd4 Nc6 29.Nxe6+ Kd7 30.Nc5+ Kc7 31.Nxa6+ Kd7
32.Nb8+ Nxb8 33.Rxb8 Bc6 34.Rg8 fxe5 35.Rxg7+ Kd6 36.Rg6+ Kc5 37.Rxc6+ Kxc6
38.fxe5 d4 39.Kf3 Kd5 40.Kf4 a3 41.Kf5 Kc6 42.Kf6 Kd7 43.Kf7 1-0

[Event "Casual Game"]
[Site "Helsinki FIN"]
[Date "2023.06.28"]
[Round "1"]
[White "Heikkinen, Jyrki"]
[Black "Dahal, Sameep"]
[Result "1/2-1/2"]
[TimeControl "600+5"]

1.d4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Be7 8.Be2 O-O
9.O-O a6 10.Kh1 cxd4 11.Nxd4 Nc5 12.Qe1 Bd7 13.Rd1 Nb4 14.a3 Nc6 15.Qf2 Nxd4
16.Bxd4 Na4 17.Nxa4 Bxa4 18.Bd3 Rc8 19.f5 f6 20.Qg3 (20.exf6 Bxf6 21.fxe6)
exf5 (20...Bxc2) 21.Bxf5 Bd7 22.Bxd7 Qxd7 23.exf6 Bd6 24.Qxg7+ (24.f7+! Rxf7
25.Rxf7 Qxf7 26.Qxd6) Qxg7 25.fxg7 Rxf1+ 26.Rxf1 Rxc2 27.Re1 Kf7 28.Kg1
(28.g3) Bc5 29.Bxc5 Rxc5 30.Re7+ Kg8 31.Rxb7 Rc2 32.h3 d4 33.Rd7 Rxb2 34.Rxd4
{no more moves recorded} 1/2-1/2

[Event "Finland Team Ch"]
[Site "Helsinki FIN"]
[Date "2025.02.08"]
[Round "6"]
[White "Heikkinen, Jyrki"]
[Black "Kangas, Lauri"]
[Result "1/2-1/2"]
[Section "I Division:2"]
[Board "3"]
[WhiteTeam "Lauttasaaren Suomalainen Shakkikerho"]
[BlackTeam "Päivölän Shakkisiirtelijät"]
[WhiteElo "2083"]
[BlackElo "2090"]
[TimeControl "40/6600:1800+30"]

1.d4 Nf6 2.Nc3 d5 3.e4 e6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 cxd4 8.Nxd4 Bc5
9.Qd2 a6 10.Be2 O-O 11.O-O-O Nxd4 12.Bxd4 b5 13.Bxc5 Nxc5 14.Qd4 Qb6 15.a3 Rb8
16.b4 Nd7 17.h4 Qc7 18.h5 Nb6 19.g4 Bd7 20.Rd2 Rfc8 21.Rh3 Qb7 22.h6 g6 23.f5
Nc4 24.fxg6 fxg6 (24...Nxd2??) 25.Bxc4 Rxc4 26.Qf2 Rf8 27.Rf3 Qc8 28.Rxf8+
Qxf8 29.Qa7 (29.Qh4! Rxc3?) Qc8? (29...Be8) 30.Nxd5 exd5 31.e6 Rc7 32.exd7
Rxd7 33.Qe3 Qf8 34.Rf2 (34.Qe6+! Qf7 35.Qxa6 {+-}) Qe7 35.Qf4 (35.Qxe7! Rxe7
36.Rf6) d4 36.Kb2 d3 37.c3? (37.Rd2) Qd6 38.Qxd6 (38.Kc1!) Rxd6 39.Kc1 g5
40.Rf5 Rxh6 41.Rxg5+ Kf7 42.Kd2 Rh2+ 43.Kxd3 Ra2 44.Rc5 Rxa3 45.Ke4 Kg6 46.Kf4
Ra1 47.Rc6+ Kg7 48.Kg5 Ra2 49.Rc7+ Kg8 50.Kh6 Rh2+ 51.Kg5 Ra2 52.Rc5 Kg7
53.Rc7+ 1/2-1/2
