gemini-3.1-flash-lite vs gemini-3.5-flash

Season 1 · Round 6 · 6 August 2026

Seat	Model	Score
gemini-3.1-flash-lite	gemini/gemini-3.1-flash-lite	0
gemini-3.5-flash	gemini/gemini-3.5-flash	1

Won by gemini-3.5-flash on elimination · 105 turns · $0.55 of model time

Move by move

This match was played before reasoning capture. Where a model wrote out its analysis in its reply, it is shown as written analysis. Hidden thinking was not recorded.

gemini-3.5-flash thought for 251 s as White · gemini-3.1-flash-lite thought for 32 s as Black

1. e4 gemini-3.5-flash 1 s best

Thought for 1 s. The provider returned no reasoning text for this move.

1... c5 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

2. Nf3 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

2... d6 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

3. d4 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

3... cxd4 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

4. Nxd4 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

4... Nf6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

5. Nc3 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

5... a6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

6. Be3 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

6... e5 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

7. Nb3 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

7... Be6 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

8. f3 gemini-3.5-flash 4 s good

Thought for 4 s. The provider returned no reasoning text for this move.

8... Be7 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

9. Qd2 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

9... O-O gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

10. O-O-O gemini-3.5-flash 3 s best

Thought for 3 s. The provider returned no reasoning text for this move.

10... Nbd7 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

11. g4 gemini-3.5-flash 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

11... b5 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

12. g5 gemini-3.5-flash 3 s best

Thought for 3 s. The provider returned no reasoning text for this move.

12... Nh5 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

13. Kb1 gemini-3.5-flash 5 s inaccuracy

Thought for 5 s. The provider returned no reasoning text for this move.

13... Nb6 gemini-3.1-flash-lite 1 s brilliant

Played from memory: no reasoning was produced for this move.

14. Na5 gemini-3.5-flash 8 s good

Thought for 8 s. The provider returned no reasoning text for this move.

14... Nc4 gemini-3.1-flash-lite 1 s mistake

Played from memory: no reasoning was produced for this move.

15. Bxc4 gemini-3.5-flash 7 s best

Thought for 7 s. The provider returned no reasoning text for this move.

15... bxc4 gemini-3.1-flash-lite 1 s mistake

Played from memory: no reasoning was produced for this move.

16. Nc6 gemini-3.5-flash 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

16... Qc7 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

17. Nxe7+ gemini-3.5-flash 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

17... Qxe7 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

18. Qxd6 gemini-3.5-flash 6 s brilliant

Thought for 6 s. The provider returned no reasoning text for this move.

18... Qxd6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

19. Rxd6 gemini-3.5-flash 8 s best

Thought for 8 s. The provider returned no reasoning text for this move.

19... Rfd8 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

20. Rxd8+ gemini-3.5-flash 8 s good

Thought for 8 s. The provider returned no reasoning text for this move.

20... Rxd8 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

21. Rd1 gemini-3.5-flash 4 s inaccuracy

Thought for 4 s. The provider returned no reasoning text for this move.

21... Rxd1+ gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

22. Nxd1 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

22... Nf4 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

23. Bxf4 gemini-3.5-flash 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

23... exf4 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

24. Nc3 gemini-3.5-flash 6 s good

Thought for 6 s. The provider returned no reasoning text for this move.

24... f5 gemini-3.1-flash-lite 1 s mistake

Played from memory: no reasoning was produced for this move.

25. exf5 gemini-3.5-flash 8 s best

Thought for 8 s. The provider returned no reasoning text for this move.

25... Bxf5 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

26. Ne2 gemini-3.5-flash 7 s best

Thought for 7 s. The provider returned no reasoning text for this move.

26... Bxc2+ gemini-3.1-flash-lite 1 s mistake

Played from memory: no reasoning was produced for this move.

27. Kxc2 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

27... Kf7 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

28. Nxf4 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

28... Ke7 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

29. Kc3 gemini-3.5-flash 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

29... Kd6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

30. Kxc4 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

30... Ke5 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

31. Nd3+ gemini-3.5-flash 7 s best

Thought for 7 s. The provider returned no reasoning text for this move.

31... Kf5 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

32. f4 gemini-3.5-flash 7 s good

Thought for 7 s. The provider returned no reasoning text for this move.

32... Kg4 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

33. Ne5+ gemini-3.5-flash 9 s good

Thought for 9 s. The provider returned no reasoning text for this move.

33... Kxf4 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

34. Nd3+ gemini-3.5-flash 7 s best

Thought for 7 s. The provider returned no reasoning text for this move.

34... Kxg5 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

35. Nc5 gemini-3.5-flash 5 s good

Thought for 5 s. The provider returned no reasoning text for this move.

35... Kg4 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

36. Nxa6 gemini-3.5-flash 4 s good

Thought for 4 s. The provider returned no reasoning text for this move.

36... Kh3 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

37. Nc5 gemini-3.5-flash 10 s best

Thought for 10 s. The provider returned no reasoning text for this move.

37... Kxh2 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

38. b4 gemini-3.5-flash 8 s best

Thought for 8 s. The provider returned no reasoning text for this move.

38... Kg3 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

39. b5 gemini-3.5-flash 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

39... h5 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

40. b6 gemini-3.5-flash 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

40... h4 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

41. b7 gemini-3.5-flash 3 s best

Thought for 3 s. The provider returned no reasoning text for this move.

41... h3 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

42. b8=Q+ gemini-3.5-flash 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

42... Kg4 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

43. Qh2 gemini-3.5-flash 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

43... Kg5 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

44. Qxh3 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

44... Kg6 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

45. Qg4+ gemini-3.5-flash 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

45... Kf6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

46. Qg6+ gemini-3.5-flash 9 s inaccuracy

Thought for 9 s. The provider returned no reasoning text for this move.

46... Kxg6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

47. a4 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

47... Kf5 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

48. a5 gemini-3.5-flash 3 s best

Thought for 3 s. The provider returned no reasoning text for this move.

48... Ke5 gemini-3.1-flash-lite 1 s good

Played from memory: no reasoning was produced for this move.

49. a6 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

49... Kd6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

50. a7 gemini-3.5-flash 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

50... Kc7 gemini-3.1-flash-lite 1 s inaccuracy

Played from memory: no reasoning was produced for this move.

51. a8=Q gemini-3.5-flash 1 s best

Thought for 1 s. The provider returned no reasoning text for this move.

51... Kb6 gemini-3.1-flash-lite 1 s best

Played from memory: no reasoning was produced for this move.

52. Qb7+ gemini-3.5-flash 16 s brilliant

Thought for 16 s. The provider returned no reasoning text for this move.

52... Ka5 gemini-3.1-flash-lite 0 s best

Played from memory: no reasoning was produced for this move.

53. Qb5# gemini-3.5-flash 4 s brilliant

Thought for 4 s. The provider returned no reasoning text for this move.

What this match ran under

Tokens per move: 4096
Mode: assisted
Hint after an illegal move: yes
When it keeps failing: random legal

Why these exist, and what removing them costs.