Prepare against Jason P Morefield
FM · United States · World #7,346 classical · FIDE ID 30920825
When preparing against Jason P Morefield, expect 1.d4 in 51% of White games. Against 1.e4 the reply is 1...d6 (42% of games); against 1.d4, 1...Nf6 (75%). Lowest win rate among frequent openings: Nimzo-Indian: Rubinstein System as White, 38.5% over 39 games.
Our database contains 872 games by Jason P Morefield, covering Dec 2015 to Jul 2026. Below you'll find Jason P Morefield's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jason P Morefield before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,218 | 2,300 | May 2019 |
| Blitz | 2,205 | 2,205 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 872 | 439 | 91 | 342 | 50.3% |
| As White | 458 | 235 | 44 | 179 | 51.3% |
| As Black | 414 | 204 | 47 | 163 | 49.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jason P Morefield's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jason P Morefield's side.
First moves as White (458 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 235 | 51.3% | 53.6% |
| e4 | 174 | 38.0% | 55.7% |
| Nf3 | 19 | 4.1% | 84.2% |
| a3 | 15 | 3.3% | 66.7% |
| b3 | 8 | 1.7% | 68.8% |
| c4 | 7 | 1.5% | 35.7% |
Main lines as White
- 1.d4 — 51% of White games, 53.6% score
- …Nf6 (60% of these games) — Morefield usually continues c4 (52.5% score)
- …d5 (28% of these games) — Morefield usually continues c4 (54.5% score)
- …e6 (4% of these games) — Morefield usually continues c4 (44.4% score)
- 1.e4 — 38% of White games, 55.7% score
- …c5 (43% of these games) — Morefield usually continues Nf3 (52.7% score)
- …e5 (19% of these games) — Morefield usually continues Nf3 (43.9% score)
- …e6 (15% of these games) — Morefield usually continues d4 (57.7% score)
As Black against 1.e4 (197 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 83 | 42.1% | 66.9% |
| c5 | 68 | 34.5% | 49.3% |
| e5 | 39 | 19.8% | 42.3% |
| a6 | 6 | 3.0% | 100.0% |
| b6 | 1 | 0.5% | 100.0% |
As Black against 1.d4 (135 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 101 | 74.8% | 55.9% |
| d5 | 28 | 20.7% | 48.2% |
| a6 | 3 | 2.2% | 66.7% |
| g6 | 1 | 0.7% | 0.0% |
| d6 | 1 | 0.7% | 100.0% |
| f5 | 1 | 0.7% | 100.0% |
Jason P Morefield's chess games
All 872 games by Jason P Morefield in the Chess.ceo database (Dec 2015 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 439 wins, 91 draws, 342 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E46 | Nimzo-Indian: Rubinstein System | 39 | 15/3/21 | 38.5% |
| D45 | Slav Defense | 34 | 17/3/14 | 50.0% |
| D36 | Indian Defense | 29 | 14/4/11 | 48.3% |
| B42 | Sicilian | 24 | 13/3/8 | 54.2% |
| E81 | King's Indian: Sämisch | 23 | 11/1/11 | 47.8% |
| D97 | Grünfeld Defense | 21 | 11/4/6 | 52.4% |
| B92 | Sicilian: Najdorf | 18 | 7/3/8 | 38.9% |
| D31 | Queen's Gambit Declined | 18 | 9/2/7 | 50.0% |
| A65 | Benoni Defense | 16 | 11/0/5 | 68.8% |
| B11 | Caro-Kann: Two Knights Variation | 14 | 8/1/5 | 57.1% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 80 | 48/10/22 | 60.0% |
| B66 | Sicilian | 32 | 17/0/15 | 53.1% |
| A50 | Indian Defense | 26 | 16/3/7 | 61.5% |
| D13 | Slav Defense | 20 | 8/2/10 | 40.0% |
| E12 | Queen's Indian Defense | 19 | 8/3/8 | 42.1% |
| E04 | Catalan | 16 | 12/1/3 | 75.0% |
| D02 | Queen's Pawn Game | 15 | 7/0/8 | 46.7% |
| D02 | London System | 13 | 6/1/6 | 46.2% |
| C55 | Italian Game | 12 | 5/1/6 | 41.7% |
| A10 | English Opening | 12 | 3/2/7 | 25.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2023 | Sanan Sjugirov | 2,699 | Titled Tue Early | D78 |
| May 2021 | Anton Korobov | 2,683 | Titled Tue | E94 |
| Jun 2022 | Hans Moke Niemann | 2,678 | Titled Tue Early | B00 |
| Dec 2022 | Gata Kamsky | 2,664 | Titled Tue Early | E15 |
| Aug 2023 | Chithambaram VR. Aravindh | 2,645 | Titled Tue Late | C01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 787 | 446 | 2,378 |
| Dulles Cherry Blossom Open | 2022 | 11 | 6 | 2,270 |
| PNWCC Online Masters | 2020 | 9 | 6 | 2,269 |
| US Masters Open | 2023 | 9 | 4 | 2,299 |
| 10th Dulles Cherry Blossom Open | 2023 | 9 | 5.5 | 2,438 |
| PNWCC Online Masters WOO | 2020 | 8 | 4 | 2,027 |
| ch-USA Online Swiss 2400+ | 2020 | 8 | 3 | 2,130 |
| 30th North American Open | 2020 | 8 | 4.5 | 2,137 |
Interactive opening tree from all 872 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jason P Morefield's chess games?
872 games by Jason P Morefield, from Dec 2015 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Jason P Morefield has played.
What does Jason P Morefield play on the first move as White?
Across 458 games with White in our database, Jason P Morefield opens with 1.d4 (51% of games), 1.e4 (38% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Jason P Morefield answers 1...d6 (42% of games), 1...c5 (35% of games), 1...e5 (20% of games). Against 1.d4: 1...Nf6 (75% of games), 1...d5 (21% of games), 1...a6 (2% of games).
What openings does Jason P Morefield play as White?
As White, Jason P Morefield's most-played openings in our database are: Nimzo-Indian: Rubinstein System (39 games, 38.5% win rate); Slav Defense (34 games, 50.0% win rate); Indian Defense (29 games, 48.3% win rate). The full breakdown of 458 games with White is in the table above.
What openings does Jason P Morefield play as Black?
As Black, Jason P Morefield most often plays: Pirc Defense (80 games, 60.0% win rate); Sicilian (32 games, 53.1% win rate); Indian Defense (26 games, 61.5% win rate). See the table above for the top ten Black openings across 414 games.
What is Jason P Morefield's FIDE rating?
Jason P Morefield is currently rated 2,218 in classical chess and 2,205 in blitz. Peak classical rating: 2,300 (May 2019).
How many games has Jason P Morefield played?
Our database contains 872 games by Jason P Morefield, covering Dec 2015 to Jul 2026. Overall record: 439 wins, 91 draws, 342 losses (50.3% win rate).
How do I prepare against Jason P Morefield?
872 games by Jason P Morefield reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.