Player profile
Demyanchuk, Sergey
Dossier
13 of 13 games analyzed.
Accuracy: 89%
Opened e4: 8/8
Castled kingside: 9Same-side castling: 9Castled queenside: 3Opposite-side castling: 1Did not castle: 1
Played in the center: 6Played on the queenside: 3Played on the kingside: 3
Active pieces: 10Initiated exchanges: 7Sacrificed material: 6Isolated pawn: 6Space advantage: 5Backward pawn: 4Missed tactics: 4Kept the bishop pair: 3Avoided exchanges: 2Played gambits: 2
Openings
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As White 8 games 1W 2D 5L
Sicilian Defense 3 games 0W 0D 3L
Smith-Morra Gambit Accepted 2 games 0W 0D 2L
Pin Defense
1 game
0W
0D
1L
Paulsen Formation
1 game
0W
0D
1L
Alapin Variation 1 game 0W 0D 1L
Smith-Morra Declined
1 game
0W
0D
1L
Italian Game 2 games 1W 0D 1L
Giuoco Pianissimo 2 games 1W 0D 1L
Italian Four Knights Variation
2 games
1W
0D
1L
Owen Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 1D 0L
Tartakower Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Defense 1 game 0W 0D 1L
Standard Line 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 5 games 1W 1D 3L
Italian Game 2 games 1W 0D 1L
Classical Variation 2 games 1W 0D 1L
Giuoco Pianissimo
2 games
1W
0D
1L
Queen's Pawn Game 1 game 0W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 0W 0D 1L
Anti-Tartakower Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scotch Game 1 game 0W 0D 1L
Göring Gambit 1 game 0W 0D 1L
Double Pawn Sacrifice
1 game
0W
0D
1L
Blunders Top 4 of 77
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 13 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.05 | CN Amador 2025-26 | 6.5 | 2026.09.05 Goncalves, Antonio Guilherme (1976664) (1628) | ½ | 98.90% | 1. d4 d5 2. Bf4 e6 3. e3 Nf6 | |
| 2026.09.05 | CN Amador 2025-26 | 5.8 | 2026.09.05 Valente, Benjamim Viegas (1968017) (1765) | 1 | 97.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.09.04 | CN Amador 2025-26 | 4.10 | 2026.09.04 Fernandes, Rodrigo (1923811) (1661) | 1 | 92.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.09.04 | CN Amador 2025-26 | 3.11 | 2026.09.04 Dias, Jose Oliveira Gaspar (1923943) (1612) | ½ | 68.60% | 1. e4 b6 2. d4 Bb7 3. Nc3 e6 | |
| 2026.09.03 | CN Amador 2025-26 | 2.9 | 2026.09.03 Izidoro, Klaus (1978675) (1657) | 0 | 86.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.09.02 | CN Amador 2025-26 | 1.5 | 2026.09.02 Kolyvanov, Klim (1987283) (1699) | ½ | 87.70% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.07.22 | Famalicao Open | 4.14 | 2026.07.22 Bittner, Titus (1973193) (2085) | 0 | 89.10% | 1. e4 c5 2. d4 cxd4 3. c3 Nf6 | |
| 2026.07.21 | Famalicao Open | 2.8 | 2026.07.21 Forgas Moreno, Yaniela (3508072) (2237) | 0 | 90.00% | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 | |
| 2025.07.26 | torneio | 8.11 | 2025.07.26 Pinho, Paulo (1900498) (2062) | 0 | 89.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.07.22 | torneio | 2.5 | 2025.07.22 Akhvlediani, Irakli (13601938) (2408) | 0 | 93.00% | 1. e4 c5 2. d4 cxd4 3. c3 dxc3 | |
| 2024.07.24 | TICF 2024 | 3.10 | 2024.07.24 Forgas Moreno, Yaniela (3508072) (2234) | 0 | 89.80% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.07.20 | Round 2: Demyanchuk, Sergey - Nunes, Eduardo | 2.6 | 2024.07.20 Nunes, Eduardo (1934996) (1796) | 0 | 88.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.07.20 | Round 1: Soares, Luis Francisco Almeida - Demyanchuk, Sergey | 1.6 | 2024.07.20 Soares, Luis (1904124) (1991) | 0 | 85.60% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 |