Olga Sikorova - Woman Grandmaster
Known in the chess world by her username OlifantCZ, Olga Sikorova is a formidable Woman Grandmaster who has dazzled on the board with a blend of tactical awareness and gritty determination. While she might not always win by speed (though her blistering bullet peaks at an impressive 2340!), she more than makes up for it with strategic depth and resilience. With a peak blitz rating soaring to 2425, Olga commands respect in the faster-paced formats, showing a win rate just shy of fifty percent over thousands of games, proving she’s no stranger to both victory and the occasional humbling moment.
Playing Style & Strengths
Olga’s style? Let’s just say she’s the kind of player who refuses to throw in the towel early, boasting a comeback rate nearing 87%. Her opening repertoire is a mystery wrapped in a Top Secret defense for blitz, but she is also known for favoring the English Opening and various sharp French Defense variations. Despite the occasional loss splattered throughout her career, Olga’s perseverance is clearly her superpower with an average game length of about 76 moves, indicating she loves a good fight to the bitter end.
A Legend in Time
Olga has been active and climbing since at least 2013 in blitz, peaking in several time controls over the years, including rapid (peak 2319) and daily chess, where she even cracked the 2000+ rating barrier. Her enthusiasm for bullet chess ignited in the mid-2010s and has set the bar with a solid set of wins and a cool-headed approach to high-pressure clashes. When asked about her best time to play, midnight strikes her fancy — perhaps the chessboard at that hour sparks a +100% win rate in her mind, or maybe it’s the thrill of late-night moves and caffeinated brilliance.
Recent Battles
In her latest live games, OlifantCZ has shown her grit, stamping victories with commanding checkmates and sharp tactical pushes, while also taking her share of losses in hard-fought duels. Her most recent win featured a dynamic Queen sacrifice against MKAPHO6206, outmaneuvering the opponent with style and precision. Even when the clock ticks away, Olga’s no stranger to winning on time — a skill that brings a bit of cheeky humor to her competitive edge. After all, what’s chess if you can’t keep your opponents on the edge of their seats?
Fun Facts
- Longest winning streak: 21 games — who says queens aren’t fierce?
- Current winning streak: 3 games — watch out for her next rampage!
- White pieces success rate: a respectable 54.88%, proving she likes to own the spotlight.
- Never afraid to take risks, she has a less-than-1% rate of one-sided losses, much like a stealthy knight jumping out of nowhere.
Whether playing blitz, bullet, rapid, or daily chess, Olga Sikorova remains a force to reckon with — a fierce competitor drawing inspiration from every move and perhaps a dash of midnight magic.
Hi Olga!
You have played a healthy mix of 120 + 1 and 180 sec rapid games during the last week, mostly against 2200–2350 opposition. Your overall trend is positive (see the small peak marker below), but the score sheet shows a few recurring patterns that we can polish.
Current personal best:
Your main strengths
- Kingside initiative & rook lifts. In several wins you manoeuvred a rook to f3/h3/f6 with devastating effect.
- Flexibility in the English. You comfortably switch between positional setups (d3–e4) and aggressive f- and g-pawn storms.
- Tactical alertness. Exchanges such as 22 Rxf6⁺ (diagram below) or 13 Nc6–e4 → Nd2-f4 ideas with Black show good pattern recognition.
Key areas to improve
1 Time management
Five of your last eight losses were flagged positions, often in won or holdable endgames. The quality of your moves is usually good enough—so the low-hanging fruit is to distribute your thinking time better:
- Use the increment right from move 1: aim to stay above the starting clock for the first 10–12 moves.
- Set two “soft” checkpoints: ~40 sec left on move 20 and ~20 sec on move 30. Abort any deep calculation when you reach them.
- Practise forcing-move scans (CCT) against the 15-sec shot clock until they become automatic.
2 Over-extension in the English structure
Your signature plan with c4 g3 Bg2 Nc3 e4 f4 g4 is powerful if the centre is firmly closed. In two losses against queenkaliya Black hit back with …c5 or …e5 before you completed development, leaving weak squares on d4/f4. Try one of these tweaks:
- Insert
d3on move 4/5 to keep e4 guarded. - Delay
f4–f5until your queen’s rook is connected. - Add an “anti-…e5” line to your notes (diagrammatic memory works best—copy critical positions into your notebook).
3 End-game technique
The marathon versus kingrossi reached a knight-and-pawn ending that was still drawable on move 65. Two study themes will pay off:
- King activity vs passed pawns. Play out K+N vs K+2 pawns drills against an engine.
- Lucena & Philidor. Revise these rook-endgame cornerstones; three of your flagged losses simplified into exactly those positions.
Opening corner
With White
The English/Anglo-Indian setup scored 4/5. Keep it—but prepare a non-fianchetto back-up (e.g. 1 c4 c5 2 Nf3 Nf6 3 d4!) for opponents who mirror you.
With Black
You mixed the East-Indian and French Tarrasch. Results are fine, but two problems emerged:
- A loose queen trip (…Qd8–b6/c7) allowed Nc6-b5 forks in two games.
- Long-term light-square holes after …g6, …d6 without …c6.
Quick repair: add the prophylactic moves …h6 (against Bg5 pins) and …a5 (vs Qa4 & Nb5 motifs) to your Indian move-order notes.
Illustrative moments
Training plan (next 14 days)
- 10 min tactics every day (theme: “zwischenzug & overload”).
- 3 rook endings from Nunn’s manual, play vs engine until you hold the draw with 15 sec/move.
- Opening micro-prep: build a 20-move file vs 1 c4 c5 mirroring lines; cement with two sparring games.
- Clock discipline drill: play three 3 min + 2 blitz games where you must move inside 10 sec for the first 15 moves.
When to schedule rated games
Your best conversion rate is clustered around late evening—see
and . Stick to those slots for important challenges and use off-peak hours for experimentation.Final thought
Your attacking flair is a real asset—sharpen the practical skills around it (time, defence, endgames) and you will comfortably break the next rating barrier. Happy hunting, Olga!
🆚 Opponent Insights
| Recent Opponents | ||
|---|---|---|
| greenchessangel | 2W / 1L / 0D | View |
| finndanis | 0W / 1L / 0D | View |
| Ariel Crawford | 1W / 4L / 1D | View |
| dennistheviking | 0W / 1L / 0D | View |
| chess_player_est | 0W / 0L / 2D | View |
| normalentip | 1W / 0L / 0D | View |
| c9_trap | 2W / 1L / 0D | View |
| chessiosaurus | 2W / 1L / 1D | View |
| Marko Pavlovic | 5W / 2L / 1D | View |
| tc58 | 2W / 1L / 0D | View |
| Most Played Opponents | ||
|---|---|---|
| cdgrzes | 12W / 6L / 4D | View Games |
| fetenn | 16W / 4L / 2D | View Games |
| delax001 | 9W / 12L / 0D | View Games |
| michael nevrotzki | 11W / 8L / 2D | View Games |
| Dusko Zmijanac | 10W / 9L / 0D | View Games |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 2273 | 2473 | 2101 | 1975 |
| 2024 | 2136 | 2230 | 2061 | 1825 |
| 2023 | 2105 | 2260 | 2069 | 1860 |
| 2022 | 2164 | 2325 | 2146 | |
| 2021 | 2212 | 2264 | 2193 | 1580 |
| 2020 | 2340 | 2304 | 2255 | 852 |
| 2019 | 2208 | |||
| 2018 | 2162 | |||
| 2017 | 2061 | |||
| 2016 | 2154 | 2174 | ||
| 2015 | 1678 | 2023 | ||
| 2014 | 2050 | |||
| 2013 | 1897 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 216W / 178L / 35D | 206W / 187L / 38D | 79.3 |
| 2024 | 231W / 131L / 36D | 200W / 174L / 19D | 80.4 |
| 2023 | 194W / 121L / 18D | 175W / 134L / 22D | 79.0 |
| 2022 | 277W / 194L / 30D | 234W / 238L / 27D | 79.1 |
| 2021 | 362W / 267L / 39D | 340W / 287L / 44D | 78.1 |
| 2020 | 238W / 177L / 33D | 221W / 213L / 31D | 79.3 |
| 2019 | 245W / 174L / 25D | 202W / 226L / 26D | 78.7 |
| 2018 | 233W / 168L / 15D | 192W / 199L / 18D | 79.4 |
| 2017 | 235W / 183L / 21D | 204W / 211L / 26D | 77.8 |
| 2016 | 136W / 94L / 18D | 135W / 99L / 16D | 77.0 |
| 2015 | 85W / 73L / 18D | 67W / 98L / 12D | 75.2 |
| 2014 | 147W / 122L / 12D | 120W / 140L / 20D | 79.6 |
| 2013 | 11W / 0L / 0D | 11W / 1L / 0D | 81.4 |
Openings: Most Played
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| English Opening: Agincourt Defense | 425 | 233 | 166 | 26 | 54.8% |
| English Opening: Anglo-Indian Defense | 394 | 203 | 167 | 24 | 51.5% |
| French Defense | 335 | 155 | 161 | 19 | 46.3% |
| French Defense: Winawer Variation, Advance Variation | 325 | 135 | 171 | 19 | 41.5% |
| English Opening | 324 | 166 | 136 | 22 | 51.2% |
| English Opening: Drill Variation | 321 | 169 | 138 | 14 | 52.6% |
| French Defense: Tarrasch Variation, Chistyakov Defense | 296 | 118 | 152 | 26 | 39.9% |
| French Defense: Exchange Variation | 293 | 126 | 139 | 28 | 43.0% |
| English Opening: Symmetrical Variation, Botvinnik System | 290 | 156 | 117 | 17 | 53.8% |
| French Defense: Advance Variation | 260 | 128 | 124 | 8 | 49.2% |
| Bullet Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| English Opening | 99 | 53 | 37 | 9 | 53.5% |
| English Opening: Anglo-Indian Defense | 88 | 44 | 35 | 9 | 50.0% |
| English Opening: Agincourt Defense | 78 | 44 | 27 | 7 | 56.4% |
| English Opening: Drill Variation | 72 | 41 | 28 | 3 | 56.9% |
| French Defense | 70 | 43 | 25 | 2 | 61.4% |
| English Opening: Symmetrical Variation, Botvinnik System | 59 | 34 | 22 | 3 | 57.6% |
| English Opening: Caro-Kann Defensive System | 56 | 35 | 21 | 0 | 62.5% |
| Modern | 55 | 29 | 23 | 3 | 52.7% |
| English: Bled Variation | 50 | 33 | 13 | 4 | 66.0% |
| English Opening: Closed, Taimanov Variation | 48 | 23 | 22 | 3 | 47.9% |
| Rapid Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| English Opening: Drill Variation | 8 | 5 | 2 | 1 | 62.5% |
| French Defense | 7 | 6 | 1 | 0 | 85.7% |
| English Opening: Anglo-Indian Defense | 7 | 4 | 3 | 0 | 57.1% |
| English Opening: Agincourt Defense | 5 | 3 | 2 | 0 | 60.0% |
| Amar Gambit | 5 | 5 | 0 | 0 | 100.0% |
| English Opening: Symmetrical Variation, Botvinnik System | 5 | 2 | 2 | 1 | 40.0% |
| French Defense: Winawer Variation, Advance Variation | 5 | 4 | 1 | 0 | 80.0% |
| English Opening | 5 | 3 | 1 | 1 | 60.0% |
| English Opening: Closed, Taimanov Variation | 4 | 4 | 0 | 0 | 100.0% |
| English: Bled Variation | 4 | 3 | 1 | 0 | 75.0% |
| Daily Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Amar Gambit | 35 | 27 | 7 | 1 | 77.1% |
| English Opening: Drill Variation | 30 | 22 | 7 | 1 | 73.3% |
| Nimzo-Larsen Attack | 25 | 20 | 4 | 1 | 80.0% |
| Australian Defense | 16 | 13 | 3 | 0 | 81.2% |
| English Opening | 15 | 10 | 2 | 3 | 66.7% |
| French Defense | 12 | 7 | 2 | 3 | 58.3% |
| French Defense: Exchange Variation | 11 | 8 | 3 | 0 | 72.7% |
| English Opening: Agincourt Defense | 11 | 6 | 2 | 3 | 54.5% |
| English Opening: Anglo-Indian Defense | 11 | 9 | 1 | 1 | 81.8% |
| French Defense: Tarrasch Variation, Chistyakov Defense | 11 | 4 | 5 | 2 | 36.4% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 21 | 1 |
| Losing | 12 | 0 |