Prokofiev, Valentyn

CZE CZE·Born 2006·FIDE #14160161·776 Games

Classical2421730 Games

Rapid243438 Games

Blitz24058 Games

Play against Prokofiev, Valentyn's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

776 games analyzed

Statistics

Total

776

Wins

378

Draws

160

Losses

238

49%21%31%

Play Style

What you need to know before facing them

Elite accuracy: 93.0% average

Solid conversion: 93%

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (67% in 53 games)

Deep Analysis

Stockfish 18 · Classical games · 317 analyzed

Accuracy by phase

Opening

96.3%

Middlegame

93.4%

Endgame

95.2%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+4%

Winning (+2 or more)

94%150g

Equal position

95%86g

Losing (-2 or more)

90%81g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

21%

71 errors

20%

67 errors

18%

60 errors

15%

51 errors

14%

46 errors

11%

36 errors

Critical Moment — When does the first serious error occur?

Move 42 average

48%

19%

29%

1-15

16-25

26-35

36-45

46+

48% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

100

Hotspot zone

f5 / e5

Critical squares

15 err

12 err

11 err

9 err

f5/e5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White41.7%Loses

King's Indian: Main Line — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O

12 Games · last played 2 months agoPlay this line

Black60.9%Loses

Queen's Gambit Declined — 1.d4 d5 2.c4 e6

23 Games · last played 3 months agoPlay this line

Strengths

— avoid these lines

White73.7%Wins

Queen's Gambit Declined — 1.d4 d5 2.c4 e619 Games · last played 3 months ago

White70.0%Wins

Nimzo-Indian: Rubinstein — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e310 Games · last played 5 months ago

Black58.5%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e641 Games · last played 4 months ago

Black53.8%Wins

Italian: Giuoco Piano — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc513 Games

Critical Blunders

10 errors · Stockfish

#36a5??Tacticsvs HoppstaedterOTB · 2025

#31Rxa8??Tacticsvs TopencikOTB · 2025

#11b5??Tacticsvs LorscheidOTB · 2025

#23Nd6??Tacticsvs ShagbazyanOTB · 2025

#22f4??Tacticsvs AriasOTB · 2025

#72Rd4??Endgamevs PaichadzeOTB · 2024

#53Kxa5??Endgamevs ShturmanOTB · 2024

#40Rd2??Tacticsvs DoraszelskiOTB · 2024

#31R8c6??Tacticsvs FlasikOTB · 2024

#84Ke4??Endgamevs SlukaOTB · 2024

Recent Games

776 Games

Patil Harshal(2121)

Ceske Budejovice Open A · 8 Jul 2026

0-1

Vykouk, Jan(2504)

Ceske Budejovice Open A · 7 Jul 2026

0-1

Simek, Petr(2312)

Ceske Budejovice Open A · 6 Jul 2026

½-½

Romanishin, Oleg M(2267)

Ceske Budejovice Open A · 5 Jul 2026

½-½

Velicka, Petr(2350)

Ceske Budejovice Open A · 4 Jul 2026

½-½

Haba, Petr(2389)

Ceske Budejovice Open A · 3 Jul 2026

½-½

Endgame Statistics

PRO23 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

392 Games

54%18%28%

Move	Games	%
1.d4	215	63%
1.Nf3	101	63%
1.c4	53	67%
1.e4	22	61%
1.g4 Weak	1	0%

MoveGamesPerformance%

1.d4

215

63%

1.Nf3

101

63%

1.c4

67%

1.e4

61%

1.g4Weak