Player profile
Williamson, Roger G
Dossier
26 of 27 games analyzed.
Accuracy: 91.9%
Opened d4: 5/7Opened c4: 1/7Opened e4: 1/7
Castled kingside: 11Same-side castling: 10Castled queenside: 1Opposite-side castling: 1Did not castle: 1
Played in the center: 5Fianchettoed kingside: 4Played on the queenside: 4Fianchettoed queenside: 2Played on the kingside: 1
Active pieces: 12Kept the bishop pair: 9Initiated exchanges: 9Isolated pawn: 9Backward pawn: 8Sacrificed material: 7Space advantage: 7Missed tactics: 4Avoided exchanges: 2Accepted short draws: 1
Openings
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As White 8 games 4W 3D 1L
Grünfeld Defense 2 games 1W 0D 1L
Three Knights Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
English Opening 1 game 0W 1D 0L
Anglo-Dutch Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Semi-Slav Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 1 game 0W 1D 0L
Orthodox Variation 1 game 0W 1D 0L
Glek Defense
1 game
0W
1D
0L
Queen's Pawn Game 1 game 1W 0D 0L
Modern Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Defense 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 1D 0L
Bastrikov Variation, English Attack
1 game
0W
1D
0L
Dutch Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 6 games 5W 1D 0L
French Defense 4 games 4W 0D 0L
Tarrasch Variation 2 games 2W 0D 0L
Modern System
2 games
2W
0D
0L
Advance Variation 1 game 1W 0D 0L
Paulsen Attack
1 game
1W
0D
0L
Steinitz Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Italian Game 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Greco Gambit, Anderssen Variation
1 game
0W
1D
0L
English Opening 1 game 1W 0D 0L
Agincourt Defense 1 game 1W 0D 0L
Catalan Defense
1 game
1W
0D
0L
Blunders Top 4 of 69
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 27 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2025.02.09 | Blackpool Open 2025 | 5.6 | 2025.02.09 Kee, Steve (435945) (1973) | ½ | 96.20% | 1. c4 f5 2. Nf3 Nf6 3. g3 g6 | |
| 2025.02.09 | Blackpool Open 2025 | 4.4 | 2025.02.09 McAtear, Jacob B (343454739) (1892) | ½ | 88.70% | 1. e4 e5 2. d4 exd4 3. Nf3 Nc6 | |
| 2025.02.08 | Blackpool Open 2025 | 3.6 | 2025.02.08 Bryant, Harry (2000) | 1 | 92.60% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.02.08 | Blackpool Open 2025 | 2.6 | 2025.02.08 Mulay, Partha (436038) (1895) | ½ | - | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.02.07 | Blackpool Open 2025 | 1.9 | 2025.02.07 Doran, Chris (503835) (1956) | 1 | 99.10% | 1. e4 e6 2. d4 d5 3. Nd2 a6 | |
| 2024.08.18 | Round 5: Williamson, Roger G - Savidge, Daniel | 5.2 | 2024.08.18 Savidge, Daniel (450332) (2149) | 1 | 96.20% | 1. d4 g6 2. c4 Bg7 3. Nf3 f5 | |
| 2024.08.18 | Round 4: Ashton, Alannah - Williamson, Roger G | 4.5 | 2024.08.18 Ashton, Alannah (480681) (1918) | 1 | 92.10% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.08.17 | Round 3: Williamson, Roger G - Holm, Kristian Stuvik | 3.1 | 2024.08.17 Holm, Kristian Stuvik (1508083) (2485) | ½ | 83.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.08.17 | Round 2: Clucas, Reg P - Williamson, Roger G | 2.7 | 2024.08.17 Clucas, Reg P (442143) (1943) | 1 | 91.30% | 1. e4 e6 2. d4 d5 3. Nd2 a6 | |
| 2024.08.16 | Round 1: Williamson, Roger G - Ernst Rindisbacher | 1.8 | 2024.08.16 Ernst Rindisbacher (1840) | 1 | 96.00% | 1. d4 e6 2. c4 f5 3. g3 Nf6 | |
| 2024.02.11 | Round 5: Mulay, Partha - Williamson, Roger G | 2024.02.11 Mulay, Partha (436038) (2107) | 1 | 90.80% | 1. Nf3 e6 2. g3 d5 3. c4 c5 | ||
| 2024.02.11 | Round 4: Williamson, Roger G - Clarke, Brandon GI | 2024.02.11 Clarke, Brandon GI (2579) | 0 | 78.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | ||
| 2024.02.10 | Round 3: Samuel A Milson - Roger G Williamson | 2024.02.10 Milson, Samuel A (418838) (2173) | 1 | 93.30% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | ||
| 2023.08.13 | Newcastle-under-Lyme All-Play-All 2023 | 9.4 | 2023.08.13 Morris, Charles F (1800140) (2060) | ½ | 95.00% | 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 | |
| 2023.08.13 | Newcastle-under-Lyme All-Play-All 2023 | 8.1 | 2023.08.13 Brown, Thomas (1801430) (2124) | 0 | 91.50% | 1. d4 e6 2. Nf3 f5 3. Bf4 Nf6 | |
| 2023.08.12 | Newcastle-under-Lyme All-Play-All 2023 | 7.5 | 2023.08.12 Okhai, Shabir (445134) (2135) | 1 | 95.20% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2023.08.12 | Newcastle-under-Lyme All-Play-All 2023 | 6.2 | 2023.08.12 Boswell, Jacob Connor (427110) (2163) | ½ | 97.80% | 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 | |
| 2023.08.11 | Newcastle-under-Lyme All-Play-All 2023 | 5.4 | 2023.08.11 Blackburn, Jonathan L B (1801090) (2190) | 1 | 91.90% | 1. d4 e6 2. c4 f5 3. g3 Nf6 | |
| 2023.01.22 | 29th 4NCL Congress Open | 5.7 | 2023.01.22 Kryshtafor, Maksym (34129227) | 1 | 95.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2023.01.22 | 29th 4NCL Congress Open | 4.6 | 2023.01.22 Shearsby, Jude (462527) | ½ | 90.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2023.01.21 | 29th 4NCL Congress Open | 3.7 | 2023.01.21 Longson, Sarah N (2501465) | ½ | 88.50% | 1. e4 e5 2. Nc3 Nf6 3. f4 d5 | |
| 2023.01.21 | 29th 4NCL Congress Open | 2.11 | 2023.01.21 Doran, Chris (503835) | 1 | 80.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.02.10 | Round 2: Roger G Williamson - Bryan Harkness | 2024.02.10 Bryan Harkness | 1 | 96.00% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | ||
| 2023.08.11 | Round 4: Roger G Williamson - Timothy J Kett | 2023.08.11 Timothy J Kett | 0 | 90.90% | 1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 | ||
| 2023.08.10 | Round 3: Richard Wy Lee - Roger G Williamson | 2023.08.10 Richard Wy Lee | ½ | 98.10% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | ||
| 2023.08.10 | Round 2: Roger G Williamson - Alan J Walton | 2023.08.10 Alan J Walton | 1 | 94.70% | 1. d4 e6 2. c4 d5 3. Nf3 Nf6 | ||
| 2023.08.09 | Round 1: Alan M Byron - Roger G Williamson | 2023.08.09 Alan M Byron | ½ | 94.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 |