♟ ChessInsights
II Rio Chess Masters 2026 (ITT) · Round 2

Cunha, Lucas Aguiar (2238)vsArenas, David (2343)1/2-1/2

Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation · 77 half-moves · 4/12/2026

AI summary

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Longest thinks

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

1

Arenas, David

Black · Middlegame

27 min
Move 16: b4Lichess ↗
2

Cunha, Lucas Aguiar

White · Middlegame

20 min
Move 22: Nf4Lichess ↗
3

Arenas, David

Black · Middlegame

14 min
Move 22: e5Lichess ↗

Total time White

1h 3 min

Cunha, Lucas Aguiar

Total time Black

1h 34 min

Arenas, David

Gap

30 min

Arenas, David used more clock

Breakdown by phase

PhaseCunha, Lucas AguiarArenas, David
Opening
15 moves
8m 58s
36s / move
18 min
1m 15s / move
Middlegame
24 moves
54 min
2m 17s / move
1h 15 min
3m 17s / move
Endgame
0 move
Not played in this phaseNot played in this phase

Remaining clock

Time spent per move

Move-by-move details (77 half-moves)

#PhaseWhiteTimeBlackTime
1Open.e42sc517s
2Open.Nf36sNc622s
3Open.d422scxd49s
4Open.Nxd47sg66s
5Open.Nc31m 25sBg78s
6Open.Be38sNf61m 9s
7Open.Bc48sO-O58s
8Open.Bb36sd63m 5s
9Open.f344sBd71m 28s
10Open.Qd27sRc88m 28s
11Open.O-O-O50sNe51m 37s
12Open.Kb11m 2sNc45s
13Open.Bxc45sRxc43s
14Open.h420sh511s
15Open.Nde23m 26sb534s
16MGBd44m 13sb427 min
17MGNd516sNxd516s
18MGBxg710sKxg72s
19MGQxd522sQc76m 4s
20MGRd23m 52sRc82m 34s
21MGQd343sQb67m 32s
22MGNf420 mine514 min
23MGNd512sQc510s
24MGQe36m 40sBe66m 25s
25MGQxc51m 1sdxc59s
26MGRhd13m 8sRd46m 14s
27MGc32m 29sbxc39s
28MGbxc311sRc417s
29MGKc21m 45sRb811s
30MGRb11m 18sRxb156s
31MGKxb13sBxd511s
32MGRxd51m 3sRxc315s
33MGRxe524sKf611s
34MGRd544sKe61m 31s
35MGKb240sRc44s
36MGRd84m 15sRb4+43s
37MGKc230sRa49s
38MGKb331sRb4+3s
39MGKc29s