Nikolaidis, Ioannis

GRE GRE·Born 1971·FIDE #4202139·1,914 Games

FIDE OTB · #4202139 · 1,914 Games

Classical24531,884 g Games

Rapid253521 g Games

Blitz25139 g Games

Play against Nikolaidis's Twin

PRO

Uses their openings, level & style

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1914 games analyzed

Statistics

Total

1914

Wins

830

Draws

859

Losses

225

43%45%12%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 94.5% average

High resilience (59%): Dangerous even when losing

Solid conversion: 87%

Very consistent (92%)

Very precise: only 0.0 blunders/game

Dominates 1.c4 ♔ (78% in 97 games)

Deep Analysis

Stockfish 18 · Classical games · 149 analyzed

Accuracy by phase

Opening

97.0%

Middlegame

94.5%

Endgame

96.1%

Clutch Factor

+6%

Winning (+2)Winning (+2)

95%62g

EqualEqual position

95%70g

Losing (−2)Losing (−2)

89%17g

Accuracy under pressure

Problematic Pieces — which cause most errors?

29%

25 err

19%

16 err

14%

12 err

13%

11 err

13%

11 err

12%

10 err

Critical Moment

Move 38 avg

1-15

20%

16-25

20%

26-35

40%

36-45

20%

46+

40% of blunders after move 36-45 — keep the tension until then.of blunders occur in moves 36-45. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

e5 / f5

Critical squares

7 err

6 err

4 err

3 err

e5/f5 account for most of the errors. Force decisions in those zones.

Openings

1,914 GamesBased on 1,914 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite84.6%Wins

English: Anglo-Indian — 1.c4 Nf6 2.Nc3 g613 Games · last played 12 years ago

13 Games · last played 12 years ago

aswhite59.0%Wins

Queen's Gambit Declined — 1.d4 d5 2.c4 e661 Games · last played last year

61 Games · last played last year

asblack84.6%Wins

Caro-Kann: Panov-Botvinnik — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c413 Games · last played 4 years ago

13 Games · last played 4 years ago

asblack45.1%Wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d651 Games · last played 5 years ago

51 Games · last played 5 years ago

Critical Blunders

10 errors · Stockfish

#17Na3??Tacticsvs AlexakisOTB · 2025

#39Qd7??Tacticsvs IoannidisOTB · 2025

#44Ng5??Endgamevs LoutragotisOTB · 2024

#47Bb5??Endgamevs Sahib SinghOTB · 2024

#44Bf5??Endgamevs Jaiveer MahendruOTB · 2024

#18Bg7??Tacticsvs KorpaOTB · 2022

#33Bxe5??Tacticsvs TriantafyllakisOTB · 2021

#26Rd5??Tacticsvs MerkosOTB · 2021

#45Qf5??Endgamevs ArmaosOTB · 2021

#44Ke5??Endgamevs PapaoulakisOTB · 2021

Recent Games

1,914 Games

Win

Ketzetzis, Georgios(2277)

53rd TCh-GRE 2026 · 10 Jul 2026

0-1

Draw

Dimitrov, Atanas(2245)

53rd TCh-GRE 2026 · 8 Jul 2026

½-½

Win

Kazantzoglou, Stefanos(2345)

53rd TCh-GRE 2026 · 7 Jul 2026

0-1

Draw

Gkoumas, Georgios(2439)

53rd TCh-GRE 2026 · 5 Jul 2026

½-½

Draw

Kourkoulos-Arditis, Stamatis(2592)

Greek National Chess Cham... · 11 Dec 2025

½-½

Loss

Alexakis, Dimitris(2544)

Greek National Chess Cham... · 10 Dec 2025

0-1

Endgame Statistics

PRO84 endgames (57.5%)

Strongest

71%

Bishop vs Knight

Weakest

10%

Opposite Bishops + Major Pieces

Reaches Endgame

57.5%

84 / 146

B vs N Pref

80% · 50%

5 / 2

PiecesTypeWin %Games

Rook + Minor

37.5%32

Rook+Bishop vs Rook+Knight

38.1%21

Rook vs Minor (Exchange)

29.4%17

Rook + Equal Minors

35.3%17

Rook vs Rook

50%16

Queen vs Pieces

60%15

Rook + Minor37.5%32

Rook+Bishop vs Rook+Knight38.1%21

Rook vs Minor (Exchange)29.4%17

Rook + Equal Minors35.3%17

Rook vs Rook50%16

Queen vs Pieces60%15

Weakest: Opposite Bishops + Major Pieces 10%Show all 22 types

Unlock Endgame Statistics

22 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

927 Games

48%44%8%

Move	Games	%
1.d4	570	70%
1.Nf3	151	69%
1.e4	102	66%
1.c4Strong	97	78%
1.g3	6	50%
1.b3Strong	1	100%

MoveGamesPerformance%

1.d4

570

70%

1.Nf3

151

69%

1.e4

102

66%

1.c4Strong

78%

1.g3

50%

1.b3Strong

100%