13 games · 2019–2026 · 8 classical · 5 online
Willow 27 draws4 Harvey
42.3% for Willow
Openings between them
| C09 | French Defense: Tarrasch Variation, Open System, Main Line | 3 | 66.7% |
| A33 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | 2 | 0.0% |
| A04 | Zukertort Opening: Sicilian Invitation | 1 | 50.0% |
| A27 | English Opening: King's English Variation, Three Knights System | 1 | 50.0% |
| B12 | Caro-Kann Defense: Advance Variation | 1 | 50.0% |
| B15 | Caro-Kann Defense: Tartakower Variation | 1 | 50.0% |
| C02 | French Defense: Advance Variation, Main Line | 1 | 100.0% |
| C03 | French Defense: Tarrasch Variation | 1 | 0.0% |
| D80 | Grünfeld Defense: Zaitsev Gambit | 1 | 0.0% |
| E21 | Nimzo-Indian Defense: Three Knights Variation | 1 | 50.0% |
All games
| Harvey, Marcus R2446 | 1-0 | Willow, Jonah B2452 | 4NCL Easter GM 2026 | 2026 |
| Willow, Jonah B2450 | 1-0 | Harvey, Marcus R2495 | Wood Green Inv 2025 | 2025 |
| Harvey, Marcus R2480 | ½-½ | Willow, Jonah B2410 | Mindsports Super Swiss | 2023 |
| Harvey, Marcus R2463 | ½-½ | Willow, Jonah B2395 | Hull 4NCL GM 2022 | 2022 |
| Harvey, Marcus R2454 | 1-0 | Willow, Jonah B2393 | Wood Green Inv 2022 | 2022 |
| Willow, Jonah B2401 | ½-½ | Harvey, Marcus R2455 | Chessable ch-ENG 2022 | 2022 |
| Willow, Jonah B2396 | ½-½ | Harvey, Marcus R2440 | Wood Green Inv 2021 | 2021 |
| Willow, Jonah B2386 | ½-½ | Harvey, Marcus R2440 | English Online Blitz Open | 2020 |
| Harvey, Marcus R2440 | ½-½ | Willow, Jonah B2386 | English Online Blitz Open | 2020 |
| Willow, Jonah B2386 | ½-½ | Harvey, Marcus R2440 | English Online Blitz Open | 2020 |
| Harvey, Marcus R2440 | 1-0 | Willow, Jonah B2386 | English Online Blitz Open | 2020 |
| Willow, Jonah B2386 | 1-0 | Harvey, Marcus R2440 | English Online Blitz Open | 2020 |
| Willow, Jonah B2345 | 0-1 | Harvey, Marcus R2405 | ch-GBR KO Prelim 2019 | 2019 |