Posthuma, Joshua
Last game 2026
Rating
peak 2457 · latest 2378Games
270
Wins
111
Draws
81
Losses
78
Peak Elo
2457
56.1% score
As White
| D30 | Queen's Gambit Declined | 13 | 65.4% |
| E04 | Catalan Opening: Open Defense | 10 | 60.0% |
| E01 | Catalan Opening: Open Defense | 7 | 71.4% |
| D11 | Slav Defense: Breyer Variation | 6 | 41.7% |
| E00 | Catalan Opening | 6 | 75.0% |
| A05 | King's Indian Attack: Spassky Variation | 5 | 80.0% |
| B00 | Lion Defense: Lion's Jaw | 4 | 50.0% |
| D02 | Queen's Pawn Game: London System | 4 | 62.5% |
As Black
| B12 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 13 | 46.2% |
| B10 | Caro-Kann Defense | 8 | 50.0% |
| B13 | Caro-Kann Defense: Exchange Variation | 8 | 68.8% |
| A50 | Indian Defense: Normal Variation | 7 | 71.4% |
| A47 | Marienbad System | 7 | 57.1% |
| A45 | Indian Defense: Accelerated London System | 5 | 30.0% |
| B32 | Sicilian Defense: Godiva Variation | 4 | 50.0% |
| B30 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | 4 | 37.5% |