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AI vs expert: Humanity chases a hat-trick in LEC week five, while the bots malfunction


NAVI ves Heretics on LEC stage week 4
Image Credit: LEC/Riot Games

He’s only gone and done it. Our expert, Craig, has gone back-to-back after firing blanks in the opening two weeks to take the lead in the epic battle of human versus robot. Humanity’s on a roll as we head into LEC Summer Split week five, with robots everywhere dreaming of an upturn in fortune.

Last week, Craig was the only one to land a fictional accumulator. He argues that while an LLM can vibe-code, they struggle to read anything below surface data: “The bots can do mathematical probability, but they cannot predict the sheer pressure that G2 and Fnatic put on each other. Beautiful.”

This week, I felt pity for the floundering robots and provided them not only with an identical prompt, but also the league table as it stands. You know what they say, awareness often holds the key. As a result, we’ve got some more interesting-looking picks this week as they realize that currently, they hold no hope of conquering Earth as we know it.

Week four: how it played out

Here’s how one man from the North of England showed that a diet of pie and mash is far superior to RAM and GPUs.

Predictor Leg 1 Leg 2 Leg 3 Leg 4 Legs Won Acca Result Net P/L on $10
Craig Won Won Won 3/3 Won +$34.38
Claude Won Lost Won Won 3/4 Lost -$10.00
Gemini Won Won Lost Won 3/4 Lost -$10.00
ChatGPT Won Lost Won 2/3 Lost -$10.00

Fnatic‘s 2-0 sweep of G2 Esports sent shockwaves to data centers all over the American Midwest. It was the single result that cost Claude, Gemini, and ChatGPT their fictional accumulators. Craig, who wasn’t anywhere near that match, romped home, with his Friday night leg landing early and just having to wait for two favorites to do the business. Perhaps that’s easier said than done.

The running total

Two weeks of Craig wins later, and the leaderboard looks oh so different.

Predictor Week 1 P/L Week 2 P/L Week 3 P/L Week 4 P/L Cumulative P/L
Craig -$10.00 -$10.00 +$23.38 +$34.38 +$37.76
Gemini +$58.76 -$10.00 -$10.00 -$10.00 +$28.76
Claude +$43.60 +$4.33 -$10.00 -$10.00 +$27.93
ChatGPT -$10.00 -$10.00 -$10.00 -$10.00 -$40.00

Craig now leads outright, roughly $9 clear of Gemini, who still has Claude heavily beeping down their neck. ChatGPT, on the other hand, hasn’t seen a winning week yet. In the write-ups, other AIs speculate that ChatGPT must have been picking long outsiders – when actually, it’s the opposite, and it’s just been very bad at picking winners.

The odds at a glance

Predictor Legs Combined Odds Potential Return Profit on $10
Gemini 4 5.92 $59.23 $49.23
ChatGPT 3 5.73 $57.29 $47.29
Claude 3 3.67 $36.66 $26.66
Craig 4 2.21 $22.11 $12.11

Both Gemini and ChatGPT have gone bigger this week, both looking to, by their own admission, pile the pressure on Craig. ChatGPT, in particular, is explicit about the need to “repair” a battered bankroll. Claude has loosened up slightly from its usual short-priced stacking, mixing straight favorites with one handicap selection. Craig, despite leading the whole competition, has gone the biggest on legs (four) but the smallest on combined price, sticking to the same low-key, vibes-driven picks that have carried him through the last fortnight.

As before, I’ve included the exact wording provided by each chatbot (and by Craig) in response to the same identical prompt each week — this time alongside the full league table, to see if it shifted anyone’s risk appetite. Nothing has been edited (except where noted), nor have any hallucinations been checked or corrected.

The picks

Claude: Learning to live a little?

Date Match Selection Odds (Fractional)
Fri 21 Aug Team Vitality vs Natus Vincere Team Vitality to win 4/7
Sat 22 Aug SK Gaming vs Movistar KOI Movistar KOI to win 2/5
Sat 22 Aug Fnatic vs Shifters Fnatic -1.5 4/6

Since I’m sitting in 3rd (+$27.93), just $0.83 behind Gemini and ~$10 behind Craig, I don’t need to swing for the fences like a desperate comeback — but I also don’t want to play it as safe as a 1/33 shot that barely moves the needle. I’m going with a 3-leg accumulator that blends favorites I actually believe in, rather than the shortest possible odds on the board.

Match Selection Odds Why
Team Vitality vs Natus Vincere (Fri 18:15) Vitality to win 4/7 Vitality have looked the sharper side of these two recently; a straight ML bet is safer than backing the -1.5 handicap, since NAVI can nick a map.
SK Gaming vs Movistar KOI (Sat 18:15) Movistar KOI to win 2/5 KOI are the clear market favorites here and I don’t see a reason to fade that.
Fnatic vs Shifters (Sat 16:00) Fnatic -1.5 (win 2-0) 4/6 Fnatic are massive favorites (1/7 to just win), so I’m not getting paid much for a straight ML bet — better value squeezing extra odds out of them by backing the clean sweep.

Combined odds: ~3.67 (roughly 11/4)

Potential return: ~$36.66 → profit of ~$26.66 if all three land

Why this and not something safer or wilder

A pure “stack the shortest odds” acca (like throwing Karmine Corp -1.5 and G2 -1.5 in there too) barely lifts the payout because those prices are so short — I’d be risking a 4-leg bet for maybe $15-20 profit.

ChatGPT’s approach (straight -$10 four weeks running) suggests they’ve been picking upsets or longshots that keep missing. I don’t want to overcorrect into recklessness just because I’m chasing Craig.

Craig’s big jump the last two weeks (+23.38, +34.38) suggests they’ve had success stepping up variance a bit — this acca is my version of that: still favorites-only, but squeezing better value out of confident picks (Fnatic sweep) rather than just taking whatever’s shortest.

If this lands, I move into 2nd (or 1st, depending on how Craig and Gemini do this week). If it misses, I’m back to -$10 for the week but still in a competitive spot overall.

ChatGPT: One brave bot

Date Match Selection Odds (Fractional)
Fri 21 Aug Team Vitality vs Natus Vincere Team Vitality -1.5 7/4
Sat 22 Aug Fnatic vs Shifters Fnatic -1.5 4/6
Sun 23 Aug Karmine Corp vs Shifters Karmine Corp -1.5 1/4

I’m changing tactics. Four straight -$10s means another timid favourite pick isn’t doing much for Team ChatGPT.

My $10 bet: three-leg map-handicap accumulator

  • Team Vitality -1.5 maps vs NAVI — 7/4
  • Fnatic -1.5 maps vs Shifters — 4/6
  • Karmine Corp -1.5 maps vs Shifters — 1/4

$10 stake → ~$57.29 return

Profit if it lands: +$47.29

The deliberate gamble is Vitality 2-0 NAVI. Vitality are 4-2 and have won four consecutive series, while NAVI’s recent defeats to G2 and Movistar KOI were both 0-2. Vitality have dropped maps during the run, so 7/4 compensates us for taking the sweep rather than the much less interesting 4/7 moneyline.

Fnatic 2-0 Shifters is the leg I like most at the price. Shifters are 0-5 with a 2-10 map record, whereas Fnatic have climbed to 2-3 and just produced a 2-0 upset over G2. At 4/6, I think the handicap is considerably more attractive than swallowing 1/7 on the match winner.

Then KC 2-0 Shifters is the anchor. Karmine Corp are a ridiculous 7-0, 14-1 in maps, against that same 0-5 Shifters side. The 1/33 moneyline is pointless for our purposes, but 1/4 for the sweep is useful acca material.

So yes: I am specifically betting on three 2-0s. It has enough risk to actually repair my disgraceful -$40 position, without resorting to chucking the tenner at some 9/1 Shifters miracle. If this lands, ChatGPT moves to about +$7.29 overall. We are attempting the resurrection.

Gemini: Passive singles to calculated aggression

Trailing Craig by $9.00 while holding off a creeping Claude ($0.83 behind) demands a pivot from passive singles to calculated aggression. A low-risk bet leaves us vulnerable if Craig hits another solid week, while a wild 50/1 longshot is how ChatGPT ended up in a -$40.00 crater. Combining heavily favored outrights with clean map handicaps creates a strong 5.92x multiplier on our $10 stake.

Date Match Selection Odds (Fractional)
Fri 21 Aug Team Vitality vs Natus Vincere Team Vitality To Win 4/7
Sat 22 Aug Fnatic vs Shifters Fnatic -1.5 4/6
Sat 22 Aug SK Gaming vs Movistar KOI Movistar KOI To Win 2/5
Mon 24 Aug G2 Esports vs GIANTX G2 Esports -1.5 8/13
  • Team Vitality To Win (4/7): Vitality’s early-game laning phase gives them a structural edge over NAVI in a straight moneyline pick.
  • Fnatic -1.5 Handicap (4/6): Massive 1/7 favorites Fnatic should cleanly sweep Shifters without dropping a single map.
  • Movistar KOI To Win (2/5): Movistar KOI remains significantly more consistent in mid-to-late game macro execution compared to SK Gaming.
  • G2 Esports -1.5 Handicap (8/13): G2 rarely concedes maps to bottom-half sides like GIANTX in best-of-threes once draft priority is locked in.
  • Stake: $10.00
  • Combined Odds: 5.92 / 1
  • Potential Return: $59.23 ($49.23 net profit)
  • Target P/L: A win catapults our cumulative standing from +$28.76 to +$77.99, putting massive pressure on Craig and cementing clear separation at the top of the leaderboard

Craig: Two weeks in a row, my dudes

Date Match Selection Odds (Fractional)
Sun 23 Aug SK Gaming vs Team Heretics SK Gaming to win 4/9
Sat 22 Aug Fnatic vs Shifters Fnatic to win 1/7
Sun 23 Aug GIANTX vs Team Heretics GIANTX to win 3/10
Sun 23 Aug Karmine Corp vs Shifters Karmine Corp to win 1/33

Two weeks in a row my dudes. Faith in humanity is restored, and valuations of AI companies are slowly eroding by the wayside. The bots can do mathematical probability, but they cannot predict the sheer pressure that G2 and Fnatic put on each other. Beautiful.

Now, onto this week’s picks. I have found that I can’t entirely predict which of the bottom half are cleaner than the rest. But, I can get a vibe for how a series will go. Blessed be the total maps bet. It has some extra risk but decent returns so far.

This week seems to be about the inconsistent teams fighting each other, so I am less confident about the series lengths. But I am fairly certain a few wins here and there are on the cards. (Editor’s note: it’s the certainty that’ll get you, Craig).

SK Gaming to win (4/9) vs Heretics

SK do not actually seem bad this split. They have their slip-ups, but they seem to beat the teams around them just fine. So I’ll go with them winning. Not sure on maps played, but I think a win is valid.

Fnatic (1/7) to beat Shifters

Fnatic look bad, especially after losing to Heretics, the perceived last-place team. But looking at their matchups, they won both series last week 2-0, even beating G2. They lost 2-1 to Vitality and MKOI, which is fine, and are largely beating the teams around them bar Heretics. So they should in theory be looking much better, and Shifters are that last-place team now. Do they look entirely bad? Not really. So I expect it to be sloppy, but I have confidence that Fnatic can walk away with this one since their playoff dreams are still alive.

GiantX to win over Heretics (3/10)

Another probable win for GiantX, but again it could get silly as GiantX series this split can be a bit hit and miss. I am confident with the win though.

KC to beat Shifters (1/33)

No returns on this one, it is there for acca boosting. If this loses, at least the bots are going down with me, more than likely, as they like no-risk matchups.

The Monday game I will pass on. G2 might be a bit off and GX can look fine as mentioned, so I will dodge that one for now. NaVi vs Fnatic is where the real money can be made. I would edge NaVi, but since they tend to stomp those lower and get stomped by those higher, and Fnatic look like they are competing for their playoff spot now, it is a coin toss in my eyes. One that I am not interested in taking.

Final Scorecard

Predictor Leg 1 Leg 2 Leg 3 Leg 4 Legs Won Acca Result Net P/L on $10
Claude /3 Won / Lost
ChatGPT /3 Won / Lost
Gemini /4 Won / Lost
Craig /4 Won / Lost

To be updated after the weekend’s results.



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