Prepare against Joshua Posthuma
IM · United States · World #2,163 classical · FIDE ID 2096889
Our database contains 357 games by Joshua Posthuma, covering Jul 2015 to Aug 2026. Below you'll find Joshua Posthuma's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Joshua Posthuma 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 | 2,374 | 2,457 | Jun 2023 |
| Rapid | 2,439 | 2,441 | Mar 2023 |
| Blitz | 2,318 | 2,353 | Dec 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 357 | 141 | 93 | 123 | 39.5% |
| As White | 176 | 80 | 49 | 47 | 45.5% |
| As Black | 181 | 61 | 44 | 76 | 33.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Joshua Posthuma's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Joshua Posthuma's side.
First moves as White (176 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 149 | 84.7% | 57.4% |
| Nf3 | 10 | 5.7% | 80.0% |
| c4 | 8 | 4.5% | 75.0% |
| b3 | 5 | 2.8% | 50.0% |
| e4 | 2 | 1.1% | 50.0% |
| d3 | 2 | 1.1% | 75.0% |
Main lines as White
- 1.d4 — 85% of White games, 57.4% score
- …Nf6 (54% of these games) — Posthuma usually continues c4 (58.8% score)
- …d5 (32% of these games) — Posthuma usually continues c4 (52.8% score)
- …d6 (4% of these games) — Posthuma usually continues e4 (50.0% score)
- 1.Nf3 — 6% of White games, 80.0% score
- …Nf6 (60% of these games) — Posthuma usually continues g3 (80.0% score)
- …d5 (30% of these games) — Posthuma usually continues d4 (75.0% score)
- …c5 (10% of these games) — Posthuma usually continues b3 (50.0% score)
As Black against 1.e4 (82 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 64 | 78.0% | 43.0% |
| c5 | 15 | 18.3% | 50.0% |
| d5 | 2 | 2.4% | 50.0% |
| d6 | 1 | 1.2% | 0.0% |
As Black against 1.d4 (66 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 63 | 95.5% | 47.6% |
| d5 | 2 | 3.0% | 25.0% |
| g6 | 1 | 1.5% | 100.0% |
Joshua Posthuma's chess games
All 357 games by Joshua Posthuma in the Chess.ceo database (Jul 2015 - Aug 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: 141 wins, 93 draws, 123 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E04 | Catalan | 49 | 24/13/12 | 49.0% |
| D11 | Slav Defense | 19 | 10/4/5 | 52.6% |
| D02 | London System | 12 | 8/2/2 | 66.7% |
| E81 | King's Indian: Sämisch | 12 | 7/1/4 | 58.3% |
| A13 | English Opening | 7 | 3/2/2 | 42.9% |
| A47 | Indian Defense | 7 | 1/4/2 | 14.3% |
| B07 | King's Pawn Game | 6 | 2/2/2 | 33.3% |
| D85 | Grünfeld Defense | 6 | 3/1/2 | 50.0% |
| D23 | Queen's Gambit Accepted | 6 | 1/2/3 | 16.7% |
| A40 | Queen's Pawn Game | 6 | 3/1/2 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A50 | Indian Defense | 27 | 11/8/8 | 40.7% |
| B12 | Caro-Kann: Advance Variation | 19 | 7/6/6 | 36.8% |
| A57 | Benoni Defense | 13 | 8/0/5 | 61.5% |
| B13 | Caro-Kann: Exchange Variation | 12 | 3/6/3 | 25.0% |
| B16 | Caro-Kann: Main Line | 11 | 2/2/7 | 18.2% |
| A31 | English Opening | 10 | 2/2/6 | 20.0% |
| A37 | English Opening: Symmetrical | 10 | 3/5/2 | 30.0% |
| A45 | London System | 9 | 3/1/5 | 33.3% |
| B11 | Caro-Kann: Two Knights Variation | 9 | 2/2/5 | 22.2% |
| B10 | Caro-Kann | 7 | 2/0/5 | 28.6% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2023 | Evgeny Bareev | 2,631 | CAN Transnational Rapid | A50 |
| Mar 2021 | Kirill Shevchenko | 2,599 | Titled Tue | E83 |
| Oct 2020 | Maksim Chigaev | 2,598 | Speed Chess Super Swiss | B06 |
| Oct 2020 | Levan Pantsulaia | 2,553 | Speed Chess Super Swiss | A15 |
| Aug 2024 | Roberto Garcia Pantoja | 2,550 | Budapest Kluger Memorial | D93 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2022 | 126 | 56.5 | 2,268 |
| Speed Chess Super Swiss | 2020 | 15 | 9 | 2,540 |
| Marshall Summer Inv GMA | 2025 | 9 | 4.5 | 2,443 |
| Charlotte CCCSA Thanksgiving IM | 2020 | 9 | 3 | 2,155 |
| 03 Toronto Excelsior GM | 2023 | 9 | 6.5 | 2,580 |
| Charlotte Spring IMC | 2024 | 9 | 7 | 2,438 |
| 08 Budapest One Week GM A | 2024 | 9 | 4.5 | 2,386 |
| Budapest Kluger Memorial | 2024 | 9 | 4 | 2,333 |
Interactive opening tree from all 357 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Joshua Posthuma's chess games?
357 games by Joshua Posthuma, from Jul 2015 to Aug 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 Joshua Posthuma has played.
What does Joshua Posthuma play on the first move as White?
Across 176 games with White in our database, Joshua Posthuma opens with 1.d4 (85% of games), 1.Nf3 (6% of games), 1.c4 (5% of games). Against 1.e4 as Black, Joshua Posthuma answers 1...c6 (78% of games), 1...c5 (18% of games), 1...d5 (2% of games). Against 1.d4: 1...Nf6 (95% of games), 1...d5 (3% of games), 1...g6 (2% of games).
What openings does Joshua Posthuma play as White?
As White, Joshua Posthuma's most-played openings in our database are: Catalan (49 games, 49.0% win rate); Slav Defense (19 games, 52.6% win rate); London System (12 games, 66.7% win rate). The full breakdown of 176 games with White is in the table above.
What openings does Joshua Posthuma play as Black?
As Black, Joshua Posthuma most often plays: Indian Defense (27 games, 40.7% win rate); Caro-Kann: Advance Variation (19 games, 36.8% win rate); Benoni Defense (13 games, 61.5% win rate). See the table above for the top ten Black openings across 181 games.
What is Joshua Posthuma's FIDE rating?
Joshua Posthuma is currently rated 2,374 in classical chess, 2,439 in rapid and 2,318 in blitz. Peak classical rating: 2,457 (Jun 2023).
How many games has Joshua Posthuma played?
Our database contains 357 games by Joshua Posthuma, covering Jul 2015 to Aug 2026. Overall record: 141 wins, 93 draws, 123 losses (39.5% win rate).
How do I prepare against Joshua Posthuma?
357 games by Joshua Posthuma 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.