Nimzo-Indian Defense: St. Petersburg Variation · 81 half-moves · 4/13/2026
| # | Phase | White | Time | Black | Time |
|---|---|---|---|---|---|
| 1 | Open. | — | — | ||
| 2 | Open. | 18s | 12s | ||
| 3 | Open. | 46s | 9s | ||
| 4 | Open. | 8s | 31s | ||
| 5 | Open. | 14s | 2m 50s | ||
| 6 | Open. | 17s | 36s | ||
| 7 | Open. | 5m 27s | 14 min | ||
| 8 | Open. | 1m 51s | 4m 3s | ||
| 9 | Open. | 1m 35s | 10 min | ||
| 10 | Open. | 8s | 7s | ||
| 11 | Open. | 6s | 8m 16s | ||
| 12 | Open. | 9s | 33s | ||
| 13 | Open. | 4m 55s | 2m 34s | ||
| 14 | Open. | 27s | 51s | ||
| 15 | Open. | 30s | 47s | ||
| 16 | MG | 3m 31s | 17 min | ||
| 17 | MG | 1m 44s | 2m 30s | ||
| 18 | MG | 23s | 10 min | ||
| 19 | MG | 9s | 4m 13s | ||
| 20 | MG | 41s | 8m 28s | ||
| 21 | MG | 6s | 11s | ||
| 22 | MG | 6s | 5s | ||
| 23 | MG | 11s | 18s | ||
| 24 | MG | 2m 59s | 3m 44s | ||
| 25 | MG | 7s | 55s | ||
| 26 | MG | 14s | 1m 40s | ||
| 27 | MG | 8s | 2m 23s | ||
| 28 | MG | 1m 54s | 2m 44s | ||
| 29 | MG | 5m 51s | 1m 44s | ||
| 30 | MG | 6s | 38s | ||
| 31 | MG | 18s | 56s | ||
| 32 | MG | 10s | 4s | ||
| 33 | MG | 7s | 50s | ||
| 34 | MG | 1m 55s | Mistake-114 cp+3.3 → +4.5 | 54s | |
| 35 | MG | 50s | 19s | ||
| 36 | MG | Mistake-148 cp+4.6 → +3.1 | 53s | Mistake-130 cp+3.1 → +4.4 | 20s |
| 37 | MG | 3s | 12s | ||
| 38 | MG | 4s | 23s | ||
| 39 | MG | 12s | Mistake-147 cp+4.6 → +6.1 | 1m 6s | |
| 40 | MG | Mistake-133 cp+6.1 → +4.8 | 8s | Blunder-273 cp+4.8 → +7.5 | 39s |
| 41 | End. | 11s | — | — |
Positions where players took the most time — the arrow shows the move actually played.
Total time White
39 min
Nguyen, Quoc Hy
Total time Black
1h 49 min
Xia, Justin
Gap
1h 9 min
Xia, Justin used more clock
| Phase | ♔ Nguyen, Quoc Hy | ♚ Xia, Justin |
|---|---|---|
Opening 15 moves | 16 min ≈ 1m 12s / move | 46 min ≈ 3m 19s / move |
Middlegame 25 moves | 22 min ≈ 55s / move | 1h 3 min ≈ 2m 32s / move |
Endgame 1 move | 11s ≈ 11s / move | Not played in this phase |
Heat strip
Each cell = one move · green < 30s · yellow < 2min · amber < 8min · red ≥ 8min
Xia, Justin
Black · Opening