Petrov's Defense: Karklins-Martinovsky Variation · 60 half-moves · 5/8/2026
| # | Phase | White | Time | Black | Time |
|---|---|---|---|---|---|
| 1 | Open. | — | — | ||
| 2 | Open. | 11s | 13s | ||
| 3 | Open. | 45s | 7s | ||
| 4 | Open. | 5m 44s | 14s | ||
| 5 | Open. | 5s | 22s | ||
| 6 | Open. | 7s | 3m 24s | ||
| 7 | Open. | 13 min | 14s | ||
| 8 | Open. | 30s | 9s | ||
| 9 | Open. | 1m 40s | 1m 5s | ||
| 10 | Open. | 57s | 2m 14s | ||
| 11 | Open. | 8m 35s | 34s | ||
| 12 | Open. | 2m 33s | 1m 3s | ||
| 13 | Open. | 3m 27s | 31s | ||
| 14 | Open. | 23s | 2m 55s | ||
| 15 | Open. | 5m 40s | 18s | ||
| 16 | MG | 2m 2s | 48s | ||
| 17 | MG | 7m 25s | 16s | ||
| 18 | MG | 2m 52s | 1m 19s | ||
| 19 | MG | 5m 14s | 8s | ||
| 20 | MG | 6s | 15s | ||
| 21 | MG | 20s | 32s | ||
| 22 | MG | 11 min | 2s | ||
| 23 | MG | 16s | 18s | ||
| 24 | MG | 14s | 25s | ||
| 25 | MG | 5s | 29s | ||
| 26 | MG | 1m 15s | 49s | ||
| 27 | MG | 35s | 57s | ||
| 28 | MG | 3m 48s | 23s | ||
| 29 | MG | 3m 39s | 24s | ||
| 30 | MG | 1m 6s | 40s |
Positions where players took the most time — the arrow shows the move actually played.
Total time White
1h 24 min
Chen, Yuan
Total time Black
21 min
Cheng, Gongpu
Gap
1h 3 min
Chen, Yuan used more clock
| Phase | ♔ Chen, Yuan | ♚ Cheng, Gongpu |
|---|---|---|
Opening 15 moves | 44 min ≈ 3m 9s / move | 13 min ≈ 57s / move |
Middlegame 15 moves | 40 min ≈ 2m 43s / move | 7m 45s ≈ 31s / move |
Endgame 0 move | Not played in this phase | Not played in this phase |
Heat strip
Each cell = one move · green < 30s · yellow < 2min · amber < 8min · red ≥ 8min
White · Opening