Player profile
Koykka, Pekka
Dossier
75 of 78 games analyzed.
Accuracy: 90.9%
Opened e4: 19/35Opened c4: 8/35Opened d4: 6/35Opened Nf3: 1/35Opened b3: 1/35
Castled kingside: 49Same-side castling: 45Castled queenside: 9Did not castle: 8Opposite-side castling: 7
Played in the center: 27Fianchettoed kingside: 17Played on the queenside: 14Fianchettoed queenside: 12Played on the kingside: 10
Active pieces: 48Initiated exchanges: 45Sacrificed material: 39Kept the bishop pair: 31Backward pawn: 30Space advantage: 29Isolated pawn: 27Missed tactics: 17Avoided exchanges: 12Played gambits: 6
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 37 games 17W 8D 12L
English Opening 7 games 5W 2D 0L
Anglo-Indian Defense 2 games 1W 1D 0L
King's Knight Variation
1 game
0W
1D
0L
Scandinavian Defense, Exchange Variation
1 game
1W
0D
0L
Agincourt Defense 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Four Knights System 2 games 2W 0D 0L
Nimzowitsch Variation
2 games
2W
0D
0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 6 games 3W 0D 3L
Najdorf Variation 4 games 2W 0D 2L
(unspecified)
2 games
1W
0D
1L
English Attack
1 game
0W
0D
1L
Opocensky Variation, Traditional Line
1 game
1W
0D
0L
Taimanov Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scheveningen Variation 1 game 1W 0D 0L
Keres Attack
1 game
1W
0D
0L
Ruy Lopez 4 games 0W 2D 2L
Closed 3 games 0W 2D 1L
Delayed Exchange
1 game
0W
1D
0L
Breyer Defense, Zaitsev Hybrid
1 game
0W
1D
0L
Zaitsev System
1 game
0W
0D
1L
Morphy Defense 1 game 0W 0D 1L
Modern Steinitz Defense
1 game
0W
0D
1L
French Defense 3 games 2W 0D 1L
Rubinstein Variation 2 games 1W 0D 1L
Blackburne Defense
2 games
1W
0D
1L
Steinitz Variation 1 game 1W 0D 0L
Boleslavsky Variation
1 game
1W
0D
0L
Caro-Kann Defense 2 games 1W 1D 0L
Advance Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Classical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Bishop's Opening 1 game 0W 0D 1L
Vienna Hybrid 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Petrov's Defense 1 game 1W 0D 0L
Nimzowitsch Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 1 game 0W 0D 1L
Karpov System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Trompowsky Attack 1 game 1W 0D 0L
Borg Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 1D 0L
Keres Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Four Knights Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Benoni Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
New York Variation
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Italian Game 1 game 0W 1D 0L
Two Knights Defense 1 game 0W 1D 0L
Modern Bishop's Opening
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 0W 0D 1L
Tartakower Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scandinavian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Indian Defense 1 game 0W 0D 1L
Kmoch Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 32 games 11W 10D 11L
Caro-Kann Defense 4 games 3W 1D 0L
Advance Variation 4 games 3W 1D 0L
Tal Variation
2 games
2W
0D
0L
Short Variation
1 game
0W
1D
0L
Botvinnik-Carls Defense
1 game
1W
0D
0L
French Defense 3 games 0W 1D 2L
Winawer Variation 2 games 0W 1D 1L
Portisch-Hook Variation
2 games
0W
1D
1L
Advance Variation 1 game 0W 0D 1L
Milner-Barry Gambit, Main Line
1 game
0W
0D
1L
Pirc Defense 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
(unspecified)
3 games
2W
1D
0L
English Opening 3 games 0W 2D 1L
King's English 1 game 0W 1D 0L
Mazedonisch
1 game
0W
1D
0L
Symmetrical Variation 1 game 0W 0D 1L
Botvinnik System Reversed, with Nf3
1 game
0W
0D
1L
Agincourt Defense 1 game 0W 1D 0L
Neo-Catalan Declined
1 game
0W
1D
0L
Sicilian Defense 3 games 1W 1D 1L
Smith-Morra Gambit 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dragon Variation 1 game 0W 1D 0L
Yugoslav Attack, Hungarian Dragon
1 game
0W
1D
0L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 0D 1L
Fianchetto Variation
1 game
0W
0D
1L
Slav Defense 2 games 1W 1D 0L
Exchange Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Benoni Defense 2 games 0W 0D 2L
Classical Variation 1 game 0W 0D 1L
New York Variation
1 game
0W
0D
1L
Knight's Tour Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scandinavian Defense 1 game 1W 0D 0L
Gubinsky-Melts Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Semi-Slav Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Gambit Accepted 1 game 1W 0D 0L
Old Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Philidor Defense 1 game 0W 0D 1L
Lion Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzowitsch Defense 1 game 0W 0D 1L
Williams Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Gambit Declined 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Alekhine Defense 1 game 1W 0D 0L
Scandinavian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dutch Defense 1 game 0W 0D 1L
Hopton Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Indian Defense 1 game 0W 1D 0L
Anti-Nimzo-Indian 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 1 game 0W 0D 1L
Schliemann Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 304
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 78 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.23 | Amsterdam Chess Open 2026 - Group A | 1.10 | 2026.10.23 Van t Hoff, Tom (1060538) (2137) | ½ | 96.60% | 1. c4 Nf6 2. Nf3 e6 3. e3 d5 | |
| 2026.07.18 | Round 9: Pultinevicius, Paulius - Koykka, Pekka | 9.2 | 2026.07.18 Pultinevicius, Paulius (12809390) (2565) | 0 | 90.40% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2026.07.17 | Round 8: Koykka, Pekka - Virtanen, Teemu | 8.6 | 2026.07.17 Virtanen, Teemu (509850) (2224) | 1 | 88.40% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.07.16 | Round 7: Koykka, Pekka - Fodor, Tamas Jr. | 7.2 | 2026.07.16 Fodor, Tamas Jr. (723762) (2494) | 0 | 86.80% | 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 | |
| 2026.07.16 | Round 6: Heino, Pessi - Koykka, Pekka | 6.7 | 2026.07.16 Heino, Pessi (517011) (2160) | 1 | 93.70% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2026.07.15 | Round 5: Miezis, Normunds - Koykka, Pekka | 5.5 | 2026.07.15 Miezis, Normunds (11600136) (2411) | ½ | 91.00% | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 | |
| 2026.07.14 | Round 4: Koykka, Pekka - Skomial, Mateusz | 4.9 | 2026.07.14 Skomial, Mateusz (1141678) (2118) | 1 | 87.10% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2026.07.14 | Round 3: Puittinen, Mika - Koykka, Pekka | 3.13 | 2026.07.14 Puittinen, Mika (502839) (2063) | 1 | 97.10% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.07.14 | Round 1: Koykka, Pekka - Niemi, Olavi | 1.11 | 2026.07.14 Niemi, Olavi (504831) (1918) | 1 | 93.30% | 1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5 | |
| 2026.04.06 | Round 3: Koykka, Pekka - Aalto, Patrik | 3.3 | 2026.04.06 Aalto, Patrik (510726) (2310) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.04.02 | Round 9: Norri, Joose - Koykka, Pekka | 9.2 | 2026.04.02 Norri, Joose (500160) (2228) | 1 | 96.10% | 1. d4 d5 2. c4 dxc4 3. e3 e5 | |
| 2026.04.02 | Round 8: Koykka, Pekka - Wartiovaara, Oliver | 8.5 | 2026.04.02 Wartiovaara, Oliver (513024) (2283) | ½ | 89.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.04.02 | Round 6: Ronka, Erik - Koykka, Pekka | 6.5 | 2026.04.02 Ronka, Erik (505080) (2284) | ½ | 97.40% | 1. c4 e5 2. Nc3 Nf6 3. f4 exf4 | |
| 2026.04.02 | Round 5: Koykka, Pekka - Keinanen, Toivo | 5.2 | 2026.04.02 Keinanen, Toivo (509825) (2493) | 0 | 90.50% | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.04.02 | Round 4: Agopov, Mikael - Koykka, Pekka | 4.4 | 2026.04.02 Agopov, Mikael (501840) (2406) | ½ | 96.00% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.04.02 | Round 2: Lahdelma, Henri - Koykka, Pekka | 2.3 | 2026.04.02 Lahdelma, Henri (510394) (2319) | 0 | 89.70% | 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 | |
| 2026.04.02 | Round 1: Koykka, Pekka - Maki-Uuro, Miikka | 1.4 | 2026.04.02 Maki-Uuro, Miikka (501344) (2205) | 1 | 95.30% | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.03.26 | Round 7: Koykka, Pekka - Luukkonen, Tommi | 7.1 | 2026.03.26 Luukkonen, Tommi (501808) (2242) | 0 | 79.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.21 | Round 3: Koykka, Pekka - Feuerstack, Aljoscha | 3.73 | 2025.10.21 Feuerstack, Aljoscha (4681932) (2452) | 0 | 92.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.10.19 | Round 1: Koykka, Pekka - Gledura, Benjamin | 1.25 | 2025.10.19 Gledura, Benjamin (712779) (2643) | 0 | 87.90% | 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 | |
| 2025.07.20 | Round 9: Koykka, Pekka - Borsos, Bogdan | 9.9 | 2025.07.20 Borsos, Bogdan (14100568) (2071) | 1 | 94.90% | 1. c4 c5 2. Nf3 a6 3. d4 cxd4 | |
| 2025.07.18 | Round 8: Mustonen, Niko - Koykka, Pekka | 8.17 | 2025.07.18 Mustonen, Niko (518638) (1971) | 1 | 94.30% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2025.07.18 | Round 7: Kuznecova, Marija - Koykka, Pekka | 7.9 | 2025.07.18 Kuznecova, Marija (11618736) (2129) | 0 | 87.90% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2025.07.17 | Round 6: Koykka, Pekka - Komulainen, Lauri | 6.7 | 2025.07.17 Komulainen, Lauri (511170) (1962) | ½ | 91.60% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2025.07.17 | Round 5: Koykka, Pekka - Seppala, Joni | 5.14 | 2025.07.17 Seppala, Joni (511285) (1997) | 1 | 95.60% | 1. c4 e6 2. Nf3 d5 3. e3 Nf6 | |
| 2025.07.15 | Round 4: Heino, Pessi - Koykka, Pekka | 4.7 | 2025.07.15 Heino, Pessi (517011) (2151) | 0 | 89.40% | 1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 | |
| 2025.07.15 | Round 3: Koykka, Pekka - Jeyanth R | 3.9 | 2025.07.15 Jeyanth R (25618750) (1884) | ½ | 96.60% | 1. d4 d5 2. Nf3 Nf6 3. c3 c5 | |
| 2025.07.14 | Round 2: Mashhadi Aghajan, Rayan - Koykka, Pekka | 2.10 | 2025.07.14 Mashhadi Aghajan, Rayan (521019) (2004) | 1 | 93.50% | 1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 | |
| 2025.07.14 | Round 1: Koykka, Pekka - Hintikka, Eero | 1.10 | 2025.07.14 Hintikka, Eero (500615) (1916) | 1 | - | 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 g5 | |
| 2025.04.26 | Uusinta, peli 2: Koykka, Pekka - Wartiovaara, Oliver | 11.1 | 2025.04.26 Wartiovaara, Oliver (513024) (2359) | 0 | 82.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.04.26 | Uusinta, peli 1: Wartiovaara, Oliver - Koykka, Pekka | 10.1 | 2025.04.26 Wartiovaara, Oliver (513024) (2359) | 0 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 c5 | |
| 2025.04.26 | Round 9: Ronka, Erik - Koykka, Pekka | 9.5 | 2025.04.26 Ronka, Erik (505080) (2295) | ½ | 87.80% | 1. e4 d6 2. d4 Nf6 3. Bd3 e5 | |
| 2025.04.25 | Round 8: Koykka, Pekka - Lahdelma, Henri | 8.2 | 2025.04.25 Lahdelma, Henri (510394) (2297) | 1 | 93.90% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.04.24 | Round 7: Wartiovaara, Oliver - Koykka, Pekka | 7.4 | 2025.04.24 Wartiovaara, Oliver (513024) (2359) | 0 | 89.20% | 1. d4 d5 2. c4 e6 3. Nf3 c6 | |
| 2025.04.23 | Round 6: Koykka, Pekka - Nyysti, Sampsa | 6.3 | 2025.04.23 Nyysti, Sampsa (502138) (2308) | ½ | 87.30% | 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 | |
| 2025.04.22 | Round 5: Luukkonen, Tommi - Koykka, Pekka | 5.3 | 2025.04.22 Luukkonen, Tommi (501808) (2237) | 1 | 89.70% | 1. d4 d6 2. e4 Nf6 3. Nc3 e5 | |
| 2025.04.21 | Round 4: Koykka, Pekka - Keinanen, Toivo | 4.4 | 2025.04.21 Keinanen, Toivo (509825) (2531) | ½ | 89.90% | 1. c4 e6 2. Nf3 d5 3. e3 Nf6 | |
| 2025.04.20 | Round 3: Agopov, Mikael - Koykka, Pekka | 3.2 | 2025.04.20 Agopov, Mikael (501840) (2420) | 1 | 96.10% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.04.19 | Round 2: Koykka, Pekka - Sipila, Vilka | 2.5 | 2025.04.19 Sipila, Vilka (505455) (2447) | 0 | 77.70% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.04.18 | Round 1: Koykka, Pekka - Pitkanen, Artturi | 1.1 | 2025.04.18 Pitkanen, Artturi (520268) (2006) | 1 | 95.50% | 1. d4 Nf6 2. Nf3 b6 3. e3 e6 | |
| 2024.09.22 | exe:Slovakia Open 24 | 9.10 | 2024.09.22 Schwarz, Dusan (14903890) (2287) | 0 | 79.80% | 1. d4 Nf6 2. c4 c5 3. d5 e6 | |
| 2024.09.21 | exe:Slovakia Open 24 | 8.3 | 2024.09.21 Ftacnik, Lubomir (14900017) (2445) | 0 | 89.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.09.20 | exe:Slovakia Open 24 | 7.11 | 2024.09.20 Tancsa, Tamas (783749) (2236) | 1 | 97.60% | 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 | |
| 2024.09.19 | exe:Slovakia Open 24 | 6.11 | 2024.09.19 Vandan Alankar Sawai (25973096) (1964) | ½ | 96.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.09.18 | exe:Slovakia Open 24 | 5.7 | 2024.09.18 Shturman, Arseniy (34275797) (2190) | ½ | 92.90% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2024.09.17 | exe:Slovakia Open 24 | 4.10 | 2024.09.17 Butenandt, Svenja (12993859) (2121) | 1 | 95.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 c5 | |
| 2024.09.16 | exe:Slovakia Open 24 | 3.12 | 2024.09.16 Filindash, Nikita (34159983) (2067) | ½ | 72.00% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2024.09.15 | exe:Slovakia Open 24 | 2.14 | 2024.09.15 Bartos, Jan (315060) (2085) | 1 | 97.90% | 1. b3 g6 2. Bb2 Nf6 3. Nf3 Bg7 | |
| 2024.09.14 | exe:Slovakia Open 24 | 1.15 | 2024.09.14 Seker, Bilgesu (44511973) (1907) | 1 | 96.30% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2024.06.18 | Round 9: Koykka, Pekka - Luukkonen, Tommi | 2024.06.18 Luukkonen, Tommi (501808) (2237) | 1 | 91.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.06.17 | Round 8: Flom, Gabriel - Koykka, Pekka | 2024.06.17 Flom, Gabriel (621650) (2454) | 0 | 88.50% | 1. d4 f5 2. Bg5 g6 3. Nc3 d5 | ||
| 2024.06.16 | Round 7: Krivenko, Dion - Koykka, Pekka | 2024.06.16 Krivenko, Dion (4508378) (2299) | 1 | 95.50% | 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 | ||
| 2024.06.15 | Round 6: Koykka, Pekka - Mirzoev, Azer | 2024.06.15 Mirzoev, Azer (13400304) (2448) | ½ | 87.40% | 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 | ||
| 2024.06.14 | Round 5: Koykka, Pekka - Kokkila, Tero | 2024.06.14 Kokkila, Tero (501352) (2289) | 1 | 95.10% | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 | ||
| 2024.06.13 | Round 4: Maki-Uuro, Miikka - Koykka, Pekka | 2024.06.13 Maki-Uuro, Miikka (501344) (2270) | ½ | 92.60% | 1. b3 e5 2. Bb2 Nc6 3. c4 g6 | ||
| 2024.06.12 | Round 3: Koykka, Pekka - Bilguun, Sumiya | 2024.06.12 Bilguun, Sumiya (4901541) (2466) | 0 | 88.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | ||
| 2024.06.11 | Round 2: Keinanen, Toivo - Koykka, Pekka | 2024.06.11 Keinanen, Toivo (509825) (2542) | ½ | 86.80% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | ||
| 2024.04.03 | Round 6: Agopov, Mikael - Koykka, Pekka | 2024.04.03 Agopov, Mikael (501840) (2440) | ½ | 95.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.03.29 | Round 2: Keinanen, Toivo - Koykka, Pekka | 2024.03.29 Keinanen, Toivo (509825) (2534) | ½ | 93.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 c5 | ||
| 2024.03.28 | Round 9: Koykka, Pekka - Wartiovaara, Oliver | 2024.03.28 Wartiovaara, Oliver (513024) (2274) | 0 | 90.30% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 | ||
| 2024.03.28 | Round 8: Sipila, Vilka - Koykka, Pekka | 2024.03.28 Sipila, Vilka (505455) (2447) | 0 | 85.60% | 1. e4 e6 2. d4 d5 3. e5 c5 | ||
| 2024.03.28 | Round 7: Koykka, Pekka - Lahdelma, Henri | 2024.03.28 Lahdelma, Henri (510394) (2358) | 1 | 98.00% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | ||
| 2024.03.28 | Round 5: Koykka, Pekka - Maki-Uuro, Miikka | 2024.03.28 Maki-Uuro, Miikka (501344) (2274) | 1 | 94.60% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | ||
| 2024.03.28 | Round 4: Kallunki, Konsta - Koykka, Pekka | 2024.03.28 Kallunki, Konsta (518611) (1974) | 1 | 95.00% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | ||
| 2024.03.28 | Round 3: Koykka, Pekka - Valkama, Eero | 2024.03.28 Valkama, Eero (507555) (2300) | 0 | 88.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2024.03.28 | Round 1: Luukkonen, Tommi - Koykka, Pekka | 2024.03.28 Luukkonen, Tommi (501808) (2255) | 0 | 81.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.12.30 | 51st Rilton Cup | 4.13 | 2023.12.30 Bailet, Pierre (655830) (2492) | 0 | 82.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2023.12.29 | 51st Rilton Cup | 3.7 | 2023.12.29 Sokolovsky, Yahli (2820242) (2443) | 0 | 85.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 | |
| 2023.12.28 | 51st Rilton Cup | 2.3 | 2023.12.28 Subelj, Jan (14618583) (2512) | 1 | 92.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2023.04.15 | Round 9: Anastasia Nazarova - Pekka Köykkä | 2023.04.15 Anastasia Nazarova | ½ | 91.30% | 1. e4 Nc6 2. Nf3 d6 3. c3 g6 | ||
| 2023.04.13 | Round 8: Pekka Köykkä - Oliver Wartiovaara | 2023.04.13 Pekka Köykkä | 1 | 92.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | ||
| 2023.04.13 | Round 7: Pekka Köykkä - Eero Valkama | 2023.04.13 Pekka Köykkä | 1 | 96.30% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | ||
| 2023.04.12 | Round 6: Toivo Keinänen - Pekka Köykkä | 2023.04.12 Toivo Keinänen | ½ | 95.50% | 1. Nf3 b6 2. e4 Bb7 3. Nc3 e6 | ||
| 2023.04.11 | Round 5: Pekka Köykkä - Sampsa Nyysti | 2023.04.11 Pekka Köykkä | ½ | 96.00% | 1. d4 Nf6 2. Nf3 e6 3. e3 d5 | ||
| 2023.04.10 | Round 4: Mikael Agopov - Pekka Köykkä | 2023.04.10 Mikael Agopov | 1 | 94.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.04.09 | Round 3: Henri Lahdelma - Pekka Köykkä | 2023.04.09 Henri Lahdelma | 1 | 95.30% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.04.08 | Round 2: Pekka Köykkä - Jari Järvenpää | 2023.04.08 Pekka Köykkä | 0 | 89.80% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 | ||
| 2023.04.07 | Round 1: Patrik Aalto - Pekka Köykkä | 2023.04.07 Patrik Aalto | ½ | 95.90% | 1. Nf3 b6 2. e4 Bb7 3. Nc3 e6 |