♟ ChessInsights
II Rio Chess Masters 2026 (ITT) · Round 4

Cunha, Lucas Aguiar (2238)vsAranha Filho, Alvaro Z. (2209)1-0

Petrov's Defense: Three Knights Game · 75 half-moves · 4/13/2026

AI summary

No summary for this game. Click "Generate a summary" (1-2 seconds via Groq LPU, free tier).

Longest thinks

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

1

Aranha Filho, Alvaro Z.

Black · Opening

16 min
Move 12: h6Lichess ↗
2

Cunha, Lucas Aguiar

White · Middlegame

16 min
Move 16: Be2Lichess ↗
3

Cunha, Lucas Aguiar

White · Middlegame

9m 41s
Move 17: Rae1Lichess ↗

Total time White

59 min

Cunha, Lucas Aguiar

Total time Black

1h 6 min

Aranha Filho, Alvaro Z.

Gap

6m 54s

Aranha Filho, Alvaro Z. used more clock

Breakdown by phase

PhaseCunha, Lucas AguiarAranha Filho, Alvaro Z.
Opening
15 moves
23 min
1m 35s / move
33 min
2m 12s / move
Middlegame
22 moves
35 min
5m 56s / move
33 min
6m 38s / move
Endgame
1 move
<1s
/ move
Not played in this phase

Remaining clock

Time spent per move

Move-by-move details (75 half-moves)

#PhaseWhiteTimeBlackTime
1Open.e442se51s
2Open.Nf31sNf61s
3Open.Nc31sBb41s
4Open.Nxe51sO-O1s
5Open.Nd31sBxc31s
6Open.dxc31sNxe41s
7Open.Be21sRe81s
8Open.O-O1sNc61s
9Open.Nf41sd61s
10Open.a41sa51s
11Open.Be38m 5sBf553s
12Open.Bb546sh616 min
13Open.Qe29m 9sBd76m 16s
14Open.f32m 1sNf64m 10s
15Open.Qd22m 49sNe55m 24s
16MGBe216 minBf58m 16s
17MGRae19m 41sNg68m 21s
18MGNxg63m 15sBxg636s
19MGBd410sNd77m 1s
20MGb33m 5sNc58m 54s
21MGBb53m 23sRxe1
22MGRxe1Ne6
23MGBf2Qf6
24MGBc4Qf5
25MGRe2Nf4
26MGRe4Ne6
27MGBd5Qf6
28MGBh4Ng5
29MGRf4Qe5
30MGBg3Qe7
31MGBxb7Rd8
32MGBd5c6
33MGBxc6d5
34MGBb5Ne6
35MGBh4f6
36MGBxf6gxf6
37MGRg4Kh7
76End.Qd8+