♟ ChessInsights
II Rio Chess Masters 2026 (ITT) · Round 1

Filgueiras, Nathan Felipe (2400)vsCunha, Lucas Aguiar (2238)1-0

Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations · 25 half-moves · 4/11/2026

AI summary

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Longest thinks

Positions where players took the most time — the arrow shows the move actually played.

1

Filgueiras, Nathan Felipe

White · Opening

16 min
Move 10: Bf4Lichess ↗
2

Cunha, Lucas Aguiar

Black · Opening

15 min
Move 11: Bb4Lichess ↗
3

Filgueiras, Nathan Felipe

White · Opening

13 min
Move 12: Qe3Lichess ↗

Total time White

40 min

Filgueiras, Nathan Felipe

Total time Black

23 min

Cunha, Lucas Aguiar

Gap

16 min

Filgueiras, Nathan Felipe used more clock

Breakdown by phase

PhaseFilgueiras, Nathan FelipeCunha, Lucas Aguiar
Opening
12 moves
40 min
3m 39s / move
23 min
2m 21s / move
Middlegame
1 move
<1s
/ move
Not played in this phase
Endgame
0 move
Not played in this phaseNot played in this phase

Remaining clock

Time spent per move

Move-by-move details (25 half-moves)

#PhaseWhiteTimeBlackTime
1Open.e4c5<1s
2Open.Nf339sNc69s
3Open.d45scxd44s
4Open.Nxd45sNf61m 30s
5Open.Nc351sd6
6Open.Bg57se655s
7Open.Qd21m 16sa618s
8Open.O-O-O2m 45sh621s
9Open.Nxc65sbxc63 min
10Open.Bf416 mind51m 52s
11Open.Be24m 47sBb415 min
12Open.Qe313 minQa5
40MGRxd8+