May 11 — May 17, 2026 — Riftcast Weekly Report

RIFTCAST Weekly model report

May 11 — May 17, 2026 Last completed week · all leagues 25 evaluated series

Weekly overview

Series and game accuracy across every prediction evaluated this week.

FastTree

Series accuracy 79.2% 19 / 24

Game accuracy 71.7% 33 / 46

LightGBM

Series accuracy 76.0% 19 / 25

Game accuracy 73.2% 30 / 41

PCA Sweep

Series accuracy 76.0% 19 / 25

Game accuracy 69.4% 34 / 49

Consensus

Series accuracy 79.2% 19 / 24

Game accuracy 75.0% 33 / 44

Per-market performance

Accuracy across every settled prediction, plus flat-stake ROI on the value engine's positive-EV picks — broken down by market.

FastTree

Market	Accuracy	ROI
Series Winner	79% 19/24	-30% 2 picks
Game Winner	72% 33/46	--
Series Handicap	--	--
Total Maps	--	--
Exact Score	--	--
Total	74% 52/70	-30% -0.6u

LightGBM

Market	Accuracy	ROI
Series Winner	76% 19/25	+16% 1 pick
Game Winner	73% 30/41	--
Series Handicap	--	--
Total Maps	--	--
Exact Score	--	--
Total	74% 49/66	+16% +0.2u

PCA Sweep

Market	Accuracy	ROI
Series Winner	76% 19/25	-42% 2 picks
Game Winner	69% 34/49	--
Series Handicap	--	--
Total Maps	--	--
Exact Score	--	--
Total	72% 53/74	-42% -0.8u

Consensus

Market	Accuracy	ROI
Series Winner	79% 19/24	-15% 3 picks
Game Winner	75% 33/44	--
Series Handicap	--	--
Total Maps	--	--
Exact Score	--	--
Total	76% 52/68	-15% -0.4u

Match results

25 completed series with evaluated predictions, grouped by match day.

WEDNESDAY May 13, 2026

4 SERIES

LCK 08:00 UTC

2 - 0

NONGSHIM RED FORCE

FastTree3/3

SERIES

79%

GAME 1

72%

GAME 2

70%

LightGBM3/3

SERIES

78%

GAME 1

80%

GAME 2

75%

PCA Sweep3/3

SERIES

81%

GAME 1

79%

GAME 2

78%

Consensus3/3

SERIES

81%

GAME 1

77%

GAME 2

74%

LCK 10:00 UTC

Dplus KIA

2 - 0

DN SOOPers

FastTree1/1

SERIES

82%

LightGBM1/1

SERIES

78%

PCA Sweep1/1

SERIES

82%

Consensus1/1

SERIES

81%

LES 15:00 UTC

FALKE ESPORTS

0 - 2

Barça Esports

FastTree3/3

SERIES

79%

GAME 1

70%

GAME 2

74%

LightGBM3/3

SERIES

78%

GAME 1

68%

GAME 2

76%

PCA Sweep3/3

SERIES

81%

GAME 1

65%

GAME 2

73%

Consensus3/3

SERIES

81%

GAME 1

68%

GAME 2

75%

LES 18:00 UTC

Movistar KOI Fénix

2 - 0

GIANTX ITERO

FastTree3/3

SERIES

80%

GAME 1

70%

GAME 2

74%

LightGBM3/3

SERIES

66%

GAME 1

65%

GAME 2

67%

PCA Sweep3/3

SERIES

75%

GAME 1

59%

GAME 2

67%

Consensus3/3

SERIES

68%

GAME 1

65%

GAME 2

69%

THURSDAY May 14, 2026

6 SERIES

LCK 08:00 UTC

BNK FEARX

0 - 2

Gen.G Esports

FastTree3/3

SERIES

79%

GAME 1

68%

GAME 2

71%

LightGBM3/3

SERIES

78%

GAME 1

77%

GAME 2

80%

PCA Sweep3/3

SERIES

77%

GAME 1

73%

GAME 2

73%

Consensus3/3

SERIES

80%

GAME 1

72%

GAME 2

75%

LJL 08:00 UTC

UWinks

2 - 0

L Guide Gaming

FastTree0/2

SERIES

50%

GAME 1

33%

GAME 2

33%

LightGBM0/3

SERIES

39%

GAME 1

20%

GAME 2

14%

PCA Sweep1/3

SERIES

62%

GAME 1

34%

GAME 2

31%

Consensus0/2

SERIES

56%

GAME 1

29%

GAME 2

26%

LCK 10:00 UTC

KIWOOM DRX

1 - 2

kt Rolster

FastTree2/3

SERIES

58%

GAME 1

68%

GAME 2

32%

GAME 3

49%

LightGBM3/4

SERIES

75%

GAME 1

86%

GAME 2

14%

GAME 3

69%

PCA Sweep3/4

SERIES

77%

GAME 1

69%

GAME 2

30%

GAME 3

59%

Consensus3/4

SERIES

78%

GAME 1

74%

GAME 2

25%

GAME 3

59%

LJL 11:00 UTC

Arneb

1 - 2

FENNEL

FastTree3/4

SERIES

80%

GAME 1

77%

GAME 2

22%

GAME 3

63%

LightGBM2/3

SERIES

78%

GAME 1

86%

GAME 2

14%

GAME 3

46%

PCA Sweep3/4

SERIES

77%

GAME 1

75%

GAME 2

24%

GAME 3

70%

Consensus3/4

SERIES

81%

GAME 1

79%

GAME 2

20%

GAME 3

60%

LES 15:00 UTC

LUA Gaming

0 - 2

UCAM Esports Club

FastTree3/3

SERIES

79%

GAME 1

70%

GAME 2

79%

LightGBM2/2

SERIES

78%

GAME 1

51%

GAME 2

86%

PCA Sweep3/3

SERIES

77%

GAME 1

70%

GAME 2

76%

Consensus3/3

SERIES

80%

GAME 1

64%

GAME 2

81%

LES 18:00 UTC

UB Alma Mater

0 - 2

Heretics Academy

FastTree3/3

SERIES

80%

GAME 1

79%

GAME 2

63%

LightGBM3/3

SERIES

78%

GAME 1

86%

GAME 2

81%

PCA Sweep3/3

SERIES

77%

GAME 1

76%

GAME 2

70%

Consensus3/3

SERIES

81%

GAME 1

81%

GAME 2

71%

FRIDAY May 15, 2026

3 SERIES

LCK 08:00 UTC

Hanwha Life Esports

2 - 0

Dplus KIA

FastTree3/3

SERIES

63%

GAME 1

64%

GAME 2

68%

LightGBM2/2

SERIES

65%

GAME 1

48%

GAME 2

67%

PCA Sweep3/3

SERIES

77%

GAME 1

66%

GAME 2

75%

Consensus3/3

SERIES

67%

GAME 1

59%

GAME 2

70%

LJL 08:00 UTC

Rising Gaming

2 - 0

DFM Academy

FastTree3/3

SERIES

78%

GAME 1

75%

GAME 2

70%

LightGBM3/3

SERIES

76%

GAME 1

71%

GAME 2

70%

PCA Sweep3/3

SERIES

77%

GAME 1

71%

GAME 2

69%

Consensus3/3

SERIES

80%

GAME 1

73%

GAME 2

70%

LCK 10:00 UTC

HANJIN BRION

2 - 0

DN SOOPers

FastTree3/3

SERIES

78%

GAME 1

70%

GAME 2

77%

LightGBM3/3

SERIES

78%

GAME 1

72%

GAME 2

78%

PCA Sweep3/3

SERIES

81%

GAME 1

72%

GAME 2

73%

Consensus3/3

SERIES

80%

GAME 1

71%

GAME 2

76%

SATURDAY May 16, 2026

5 SERIES

LCK 08:00 UTC

Gen.G Esports

1 - 2

FastTree0/2

SERIES

43%

GAME 1

53%

GAME 2

47%

GAME 3

44%

LightGBM0/2

SERIES

47%

GAME 1

55%

GAME 2

38%

GAME 3

46%

PCA Sweep0/2

SERIES

37%

GAME 1

48%

GAME 2

52%

GAME 3

40%

Consensus0/2

SERIES

48%

GAME 1

52%

GAME 2

46%

GAME 3

43%

LCK 10:00 UTC

BNK FEARX

2 - 0

NONGSHIM RED FORCE

FastTree2/2

SERIES

64%

GAME 1

55%

GAME 2

55%

LightGBM1/1

SERIES

61%

GAME 1

53%

GAME 2

53%

PCA Sweep1/1

SERIES

75%

GAME 1

54%

GAME 2

54%

Consensus1/1

SERIES

67%

GAME 1

54%

GAME 2

54%

CBLOL 16:00 UTC

Fluxo

1 - 3

RED Canids Kalunga

FastTree4/5

SERIES

80%

GAME 1

33%

GAME 2

68%

GAME 3

67%

GAME 4

55%

LightGBM4/5

SERIES

75%

GAME 1

33%

GAME 2

70%

GAME 3

68%

GAME 4

64%

PCA Sweep4/5

SERIES

77%

GAME 1

31%

GAME 2

67%

GAME 3

67%

GAME 4

58%

Consensus4/5

SERIES

79%

GAME 1

32%

GAME 2

68%

GAME 3

68%

GAME 4

59%

LCS 20:00 UTC

Cloud9 Kia

2 - 0

Team Liquid Alienware

FastTree2/3

SERIES

55%

GAME 1

44%

GAME 2

63%

LightGBM3/3

SERIES

65%

GAME 1

58%

GAME 2

68%

PCA Sweep1/3

SERIES

38%

GAME 1

44%

GAME 2

64%

Consensus2/2

SERIES

58%

GAME 1

49%

GAME 2

65%

LCS 23:00 UTC

Shopify Rebellion

2 - 0

Disguised

FastTree0/2

SERIES

36%

GAME 1

50%

GAME 2

40%

LightGBM0/2

SERIES

33%

GAME 1

54%

GAME 2

34%

PCA Sweep0/3

SERIES

19%

GAME 1

41%

GAME 2

31%

Consensus0/2

SERIES

22%

GAME 1

49%

GAME 2

35%

SUNDAY May 17, 2026

7 SERIES

LCK 08:00 UTC

kt Rolster

2 - 1

Hanwha Life Esports

FastTree1/3

SERIES

19%

GAME 1

29%

GAME 2

57%

GAME 3

47%

LightGBM0/2

SERIES

39%

GAME 1

31%

GAME 2

47%

GAME 3

52%

PCA Sweep1/4

SERIES

20%

GAME 1

27%

GAME 2

63%

GAME 3

36%

Consensus1/3

SERIES

21%

GAME 1

29%

GAME 2

56%

GAME 3

45%

LPL 09:00 UTC

Beijing JDG Esports

2 - 1

Invictus Gaming

FastTree1/1

SERIES

64%

LightGBM1/1

SERIES

66%

PCA Sweep1/1

SERIES

80%

Consensus1/1

SERIES

78%

LCK 10:00 UTC

HANJIN BRION

1 - 2

KIWOOM DRX

FastTree0/3

SERIES

36%

GAME 1

50%

GAME 2

29%

GAME 3

31%

LightGBM0/3

SERIES

40%

GAME 1

53%

GAME 2

32%

GAME 3

31%

PCA Sweep1/4

SERIES

19%

GAME 1

63%

GAME 2

26%

GAME 3

34%

Consensus1/4

SERIES

32%

GAME 1

55%

GAME 2

29%

GAME 3

32%

LPL 11:00 UTC

BILIBILI GAMING

2 - 0

Anyone's Legend

FastTree1/1

SERIES

82%

LightGBM1/1

SERIES

66%

PCA Sweep1/1

SERIES

77%

Consensus1/1

SERIES

79%

CBLOL 16:00 UTC

LOUD

0 - 3

FURIA

FastTree3/4

SERIES

80%

GAME 1

43%

GAME 2

61%

GAME 3

57%

LightGBM3/3

SERIES

65%

GAME 1

52%

GAME 2

57%

GAME 3

68%

PCA Sweep4/4

SERIES

63%

GAME 1

60%

GAME 2

59%

GAME 3

63%

Consensus3/3

SERIES

67%

GAME 1

51%

GAME 2

59%

GAME 3

63%

LCS 20:00 UTC

Dignitas

0 - 2

Sentinels

FastTree3/3

SERIES

81%

GAME 1

71%

GAME 2

66%

LightGBM3/3

SERIES

76%

GAME 1

74%

GAME 2

73%

PCA Sweep3/3

SERIES

82%

GAME 1

77%

GAME 2

74%

Consensus3/3

SERIES

80%

GAME 1

74%

GAME 2

71%

LCS 23:00 UTC

LYON

1 - 2

FlyQuest

FastTree2/4

SERIES

20%

GAME 1

31%

GAME 2

72%

GAME 3

58%

LightGBM2/4

SERIES

41%

GAME 1

32%

GAME 2

70%

GAME 3

56%

PCA Sweep1/4

SERIES

19%

GAME 1

32%

GAME 2

72%

GAME 3

36%

Consensus1/3

SERIES

33%

GAME 1

32%

GAME 2

72%

GAME 3

50%