Player profile
Nikolaidis, Konstantinos
Dossier
53 of 56 games analyzed.
Accuracy: 91.2%
Opened d4: 14/24Opened e4: 7/24Opened Nf3: 3/24
Castled kingside: 33Same-side castling: 29Did not castle: 7Castled queenside: 4Opposite-side castling: 4
Played in the center: 13Fianchettoed queenside: 11Played on the queenside: 10Fianchettoed kingside: 9Played on the kingside: 9
Space advantage: 28Kept the bishop pair: 26Active pieces: 26Isolated pawn: 23Sacrificed material: 21Backward pawn: 21Initiated exchanges: 20Avoided exchanges: 12Missed tactics: 10Accepted short draws: 7
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 26 games 7W 11D 8L
King's Indian Defense 4 games 1W 1D 2L
Averbakh Variation 2 games 0W 1D 1L
Main Line
1 game
0W
0D
1L
Nc6 Defense
1 game
0W
1D
0L
Karpov System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Fianchetto Variation 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
Queen's Gambit Declined 4 games 0W 2D 2L
Exchange Variation 3 games 0W 1D 2L
Positional Variation
2 games
0W
0D
2L
Reshevsky Variation
1 game
0W
1D
0L
Charousek Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 3 games 2W 0D 1L
Advance Variation 3 games 2W 0D 1L
Botvinnik-Carls Defense
1 game
0W
0D
1L
Short Variation
1 game
1W
0D
0L
Tal Variation
1 game
1W
0D
0L
Sicilian Defense 2 games 0W 1D 1L
Dragon Variation 1 game 0W 1D 0L
Yugoslav Attack, Hungarian Dragon
1 game
0W
1D
0L
Four Knights Variation 1 game 0W 0D 1L
Cobra Variation
1 game
0W
0D
1L
Four Knights Game 1 game 1W 0D 0L
Spanish Variation 1 game 1W 0D 0L
Rubinstein Variation
1 game
1W
0D
0L
Semi-Slav Defense 1 game 0W 1D 0L
Quiet Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Grünfeld Defense 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 1D 0L
Petrosian System
1 game
0W
1D
0L
King's Pawn Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Modern Defense 1 game 0W 0D 1L
Standard Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
Classical Defense
1 game
1W
0D
0L
French Defense 1 game 0W 1D 0L
Steinitz Variation 1 game 0W 1D 0L
Boleslavsky Variation
1 game
0W
1D
0L
Scandinavian Defense 1 game 1W 0D 0L
Gubinsky-Melts Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Latvian Gambit 1 game 0W 1D 0L
Clam Gambit 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Indian Defense 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Check Variation, Intermezzo Line
1 game
0W
1D
0L
Queen's Gambit Accepted 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Mexican Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Tarrasch Defense 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 21 games 5W 9D 7L
Sicilian Defense 9 games 4W 2D 3L
Najdorf Variation 5 games 3W 0D 2L
Adams Attack
2 games
1W
0D
1L
(unspecified)
1 game
1W
0D
0L
English Attack
1 game
0W
0D
1L
Lipnitsky Attack
1 game
1W
0D
0L
Moscow Variation 3 games 1W 2D 0L
(unspecified)
3 games
1W
2D
0L
Richter-Rauzer Variation 1 game 0W 0D 1L
Modern Variation
1 game
0W
0D
1L
English Opening 5 games 1W 3D 1L
Anglo-Indian Defense 2 games 0W 2D 0L
Slav Formation
1 game
0W
1D
0L
Nimzo-English
1 game
0W
1D
0L
Agincourt Defense 2 games 1W 1D 0L
Neo-Catalan Declined
2 games
1W
1D
0L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Ruy Lopez 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
Flohr System
1 game
0W
1D
0L
French Defense 1 game 0W 1D 0L
Steiner Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Indian Defense 1 game 0W 1D 0L
Miles Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 0W 0D 1L
Ragozin Defense 1 game 0W 0D 1L
Alekhine Variation
1 game
0W
0D
1L
Indian Defense 1 game 0W 1D 0L
Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 1 game 0W 0D 1L
Yugoslav Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 178
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 56 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.06.18 | Round 5: Makrylakis, Iason - Nikolaidis, Konstantinos | 5.9 | 2026.06.18 Makrylakis, Iason (25884107) (1911) | 0 | 85.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.17 | Round 4: Hrisanthopoulos, Dimitrios - Nikolaidis, Konstantinos | 4.8 | 2026.06.17 Hrisanthopoulos, Dimitrios (4200543) (1903) | ½ | 98.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.06.16 | Round 3: Nikolaidis, Konstantinos - Vassis, Michail | 3.2 | 2026.06.16 Vassis, Michail (25849018) (2338) | 0 | 88.40% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.06.15 | Round 2: Emmanouilidis, Paschalis - Nikolaidis, Konstantinos | 2.7 | 2026.06.15 Emmanouilidis, Paschalis (42174945) (1894) | 1 | 91.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.14 | Round 1: Nikolaidis, Konstantinos - Talaverou, Vasiliki Viktoria | 1.7 | 2026.06.14 Talaverou, Vasiliki Viktoria (25894765) (1777) | 1 | 97.20% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2026.04.10 | EICC 2026 | 4.35 | 2026.04.10 Panasiuk, Piotr (91105331) (1787) | 0 | - | ||
| 2026.04.09 | EIIC 2026 | 3.60 | 2026.04.09 Ilko-Toth, Andras (17018234) (2283) | 0 | - | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2026.04.08 | EIIC 2026 | 2.24 | 2026.04.08 Piddubna, Bozhena (34109293) (2301) | ½ | 96.00% | 1. Nf3 Nf6 2. c4 g6 3. g3 c6 | |
| 2026.04.07 | EIIC 2026 | 1.9 | 2026.04.07 Isik, Alparslan (34506896) (2435) | 0 | 87.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2025.10.31 | Round 10: Wegemund, Hubert - Nikolaidis, Konstantinos | 10.41 | 2025.10.31 Wegemund, Hubert (4693892) (2013) | ½ | 93.30% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2025.10.30 | Round 9: Nikolaidis, Konstantinos - Ray, Sarathi | 9.42 | 2025.10.30 Ray, Sarathi (2032490) (1930) | ½ | 92.60% | 1. d4 d5 2. c4 c6 3. e3 Nf6 | |
| 2025.10.29 | Round 8: Zielinski, Olgierd - Nikolaidis, Konstantinos | 8.44 | 2025.10.29 Zielinski, Olgierd (1132776) (1951) | ½ | 94.90% | 1. c4 e6 2. e4 d5 3. exd5 exd5 | |
| 2025.10.28 | Round 7: Nikolaidis, Konstantinos - Kindt, Manfred | 7.43 | 2025.10.28 Kindt, Manfred (1025562) (1984) | ½ | 88.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.10.26 | Round 6: Tunge, Christian - Nikolaidis, Konstantinos | 6.42 | 2025.10.26 Tunge, Christian (1519930) (1993) | ½ | 98.40% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.10.25 | Round 5: Nikolaidis, Konstantinos - Mauron, Pierre | 5.43 | 2025.10.25 Mauron, Pierre (1306472) (1983) | ½ | 97.80% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.10.24 | Round 4: Sudharsan, Krishnan - Nikolaidis, Konstantinos | 4.45 | 2025.10.24 Sudharsan, Krishnan (1406981) (1891) | ½ | 89.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2025.10.23 | Round 3: Chabanon, Jean-Luc - Nikolaidis, Konstantinos | 3.20 | 2025.10.23 Chabanon, Jean-Luc (600075) (2355) | 0 | 69.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.10.22 | Round 2: Nikolaidis, Konstantinos - Lacasa Diaz, Josep Anton | 2.22 | 2025.10.22 Lacasa Diaz, Josep Anton (2203375) (2301) | ½ | 92.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.21 | Round 1: Nikolaidis, Konstantinos - Pammer, Florence | 1.65 | 2025.10.21 Pammer, Florence (36019569) (1675) | 1 | - | ||
| 2025.10.02 | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | 6.10 | 2025.10.02 Kniest, Oliver (4620887) (2170) | 0 | 86.90% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.10.01 | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | 5.9 | 2025.10.01 Stets, Vasyl (14106965) (2140) | ½ | 92.70% | 1. d4 Nf6 2. Nf3 e6 3. g3 b5 | |
| 2025.09.30 | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | 4.7 | 2025.09.30 Mrva, Martin (14900092) (2394) | ½ | 95.10% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.09.28 | European individual senior chess championship 2025 - Open 50+, Rabac, Croatia | 2.7 | 2025.09.28 Fercec, Nenad (14500299) (2362) | 0 | 92.40% | 1. d4 g6 2. e4 Bg7 3. Nc3 d6 | |
| 2025.07.28 | Round 1: Eren, Ataberk - Nikolaidis, Konstantinos | 1.26 | 2025.07.28 Eren, Ataberk (6349765) (2422) | 0 | 85.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.15 | Round 2: Voutsas, Leonidas - Nikolaidis, Konstantinos | 2.9 | 2025.06.15 Voutsas, Leonidas (25874055) (1903) | 1 | 95.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.14 | Round 1: Nikolaidis, Konstantinos - Veskoukis, Konstantinos | 1.9 | 2025.06.14 Veskoukis, Konstantinos (4239490) (1793) | 1 | 96.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.03.15 | Round 1: Nikolaidis, Konstantinos - Horvath, Dominik | 1.30 | 2025.03.15 Horvath, Dominik (1642561) (2538) | 0 | 90.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.11.02 | Round 9: Lacasa Diaz, Josep Anton - Nikolaidis, Konstantinos | 9.15 | 2024.11.02 Lacasa Diaz, Josep Anton (2203375) (2339) | ½ | 73.60% | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.11.01 | Round 8: Nikolaidis, Konstantinos - Cmiel, Thorsten | 8.16 | 2024.11.01 Cmiel, Thorsten (4605721) (2108) | ½ | 94.80% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2024.10.31 | Round 7: Nikolaidis, Konstantinos - Rewitz, Poul | 7.17 | 2024.10.31 Rewitz, Poul (1401033) (2262) | 1 | 91.50% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.10.30 | Round 6: Sielecki, Christof - Nikolaidis, Konstantinos | 6.19 | 2024.10.30 Sielecki, Christof (4620437) (2405) | ½ | 91.10% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2024.10.29 | Round 5: Nikolaidis, Konstantinos - Naslund, Mikael | 5.21 | 2024.10.29 Naslund, Mikael (1708260) (2097) | 1 | 96.00% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2024.10.28 | Round 4: Mrva, Martin - Nikolaidis, Konstantinos | 4.16 | 2024.10.28 Mrva, Martin (14900092) (2384) | 0 | 84.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.10.27 | Round 3: Nikolaidis, Konstantinos - Cardili, Mariano | 3.22 | 2024.10.27 Cardili, Mariano (816000) (2022) | 1 | 92.50% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.08.10 | Round 6: Nikolaidis, Konstantinos - Stratigos, Spiros | 6.12 | 2024.08.10 Stratigos, Spiros (4291980) (2003) | 0 | 82.70% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.08.09 | Round 5: Mastrovasilis, Athanasios - Nikolaidis, Konstantinos | 5.4 | 2024.08.09 Mastrovasilis, Athanasios (4201990) (2463) | 0 | 89.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.08.08 | Round 4: Karamichos, Michail - Nikolaidis, Konstantinos | 4.11 | 2024.08.08 Karamichos, Michail (25868993) (2012) | 1 | 98.10% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2024.08.07 | Round 3: Nikolaidis, Konstantinos - Pelantakis, Mihail | 3.10 | 2024.08.07 Pelantakis, Mihail (4294718) (1971) | ½ | 91.60% | 1. Nf3 f5 2. d3 Nc6 3. e4 e5 | |
| 2024.07.10 | Greek League 2024 | 07 | 2024.07.10 Papasimakopoulos, Alexandros (4244125) (2375) | ½ | 90.60% | 1. Nf3 Nf6 2. c4 b6 3. d4 e6 | |
| 2024.07.08 | Greek League 2024 | 05 | 2024.07.08 Mitsis, Georgios (4295676) (2374) | ½ | 94.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2024.07.07 | Greek League 2024 | 04 | 2024.07.07 Bozinakis, Pavlos (4210298) (2285) | 0 | 79.00% | 1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 | |
| 2024.07.06 | Greek League 2024 | 03 | 2024.07.06 Banikas, Hristos (4202031) (2555) | ½ | 98.60% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 | |
| 2024.07.05 | Greek League 2024 | 02 | 2024.07.05 Papadimitriou, Athanasios (4213254) (2255) | 0 | 91.70% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 | |
| 2024.07.05 | Greek League 2024 | 01 | 2024.07.05 Nasos, Valerios (25838253) (1917) | ½ | 92.60% | 1. d4 d5 2. c4 e6 3. Nc3 Be7 | |
| 2023.10.30 | 50+ World Senior Championship | 6 | 2023.10.30 Mantovani, Renzo (800198) (2236) | ½ | 94.40% | 1. Nf3 Nf6 2. c4 c5 3. g3 b6 | |
| 2023.10.29 | 50+ World Senior Championship | 5 | 2023.10.29 Cummings, David H. (2603578) (2325) | ½ | 92.10% | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2023.10.28 | 50+ World Senior Championship | 4 | 2023.10.28 Plotkin, Victor (2606674) (2229) | ½ | 96.40% | 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2023.10.27 | 50+ World Senior Championship | 3 | 2023.10.27 Lima, Darcy (2100045) (2416) | 0 | 90.90% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2023.10.25 | 50+ World Senior Championship | 1 | 2023.10.25 Degraeve, Jean-Marc (600270) (2479) | 1 | 93.90% | 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 | |
| 2023.11.05 | Round 11: Georg Mohr - Konstantinos Nikolaidis | 2023.11.05 Georg Mohr (2430) | 1 | 92.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.11.04 | Round 10: Konstantinos Nikolaidis - Mikhail Koganov | 2023.11.04 Mikhail Koganov (2170) | 1 | 94.60% | 1. d4 d6 2. Nf3 Nf6 3. c4 g6 | ||
| 2023.11.03 | Round 9: Marcel Milat - Konstantinos Nikolaidis | 2023.11.03 Marcel Milat (2207) | 1 | 95.30% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | ||
| 2023.11.02 | Round 8: Konstantinos Nikolaidis - Christian Maier | 2023.11.02 Christian Maier (2278) | ½ | 97.90% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | ||
| 2023.11.01 | Round 7: Devaki V Prasad - Konstantinos Nikolaidis | 2023.11.01 Devaki V Prasad (2200) | ½ | 94.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.06.18 | Round 2: Aris Pothos - Konstantinos Nikolaidis | 2023.06.18 Aris Pothos | 1 | 90.80% | 1. d4 Nf6 2. Bf4 d5 3. e3 e6 | ||
| 2023.06.17 | Round 1: KONSTANTINOS NIKOLAIDIS - STYLIANOS BANAS | 2023.06.17 STYLIANOS BANAS | 1 | 98.20% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 |