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Articles tagged as simulation

Crunching Numbers: MMA Gets Its Own Simulation Engine

Can MMA statistics help us predict what will happen in important fights? Maybe. If they can't outright predict a single outcome, they can at least give us a sense of how the fight is likely to play out or maybe even look. That's the premise behind FightMetric's latest innovation: the MATch Up Analysis, or MATUA simulation engine, which according to FightMetric is "not a true prognostication tool" but "produces a statistical view of upcoming fights that may see things that our eyes do not." "The MATUA model harnesses the power of FightMetric's deep database of statistics to simulate a match based on the two fighters' past statistical performance. The simulation is run 10,000 times to reduce random chance and then produces the number of simulations in which each fighter won, by what method, and in which round." MATUA debuted just prior UFC 146. The first and only bout it has run publicly was for that night's main event: Junior dos Santos vs. Frank Mir. Ultimately, MATUA gave UFC heavyweight champion Junior dos Santos a winning percentage of 66% against Mir in 10,000 simulated fights. And as we know, the champ eventually dispatched with Mir in the second round via TKO stoppage, something MATUA had as the second most-likely outcome in a dos Santos victory. For now, FightMetric isn't running MATUA on theoretical match-ups. If you're curious about it says for a Cain Velasquez vs. Alistair Overeem fight, you'll have to wait until that one is signed and ready to happen. But I was still curious about the numbers and what they can actually tell us fight predictions and even MMA itself. I caught up with the creator of MATUA, John Candido, to find out more. Below is an excerpted portion of our conversation. Luke Thomas: How did the idea to create this come about? John Candido: I had initially talked with Rami [Genauer], the owner of FightMetric, and I'd always been interested in looking under the hood of different sports and things like that to sort of understand the moving parts behind it. I wanted to see what really mattered in a fight. That's how my relationship with FightMetric started. Once I got access to all the statistics I started to basically breakdown and model what exactly goes on in a fight; sort of looking at the mechanics behind fights. Once we were able to do that, then we were able to develop this model which basically takes all those mechanics and is able to use them to simulate exactly how fights play out and what goes down in fights. In doing so, we're able to sort of see a good percentage of which rounds likely lead to the fight ending in, and also what the typical outcomes are. Luke Thomas: The description of MATUA states "the simulation is run 10,000 times to reduce random chance". Why 10,000? John Candido: To be honest with you, it seems like pretty much the accepted industry number. It really doesn't have that much statistical significance, specifically the number 10,000. But since that's what most other people who run these type of simulations are doing, I figured we might as well make it even across the board. It's easier for the general public to understand it and compare it with some other simulations going on in other sports. Luke Thomas: The description also says "It is built upon a statistical analysis of every UFC fight of the modern era". What does that mean, post-UFC 32? John Candido: I think it was post-UFC 24, if I remember correctly. Whenever the rule change happened. Whenever that happened, it's all the fights after that.* Luke Thomas: What's the extra value add of a simulation engine that we don't get from other forms of qualitative analysis? John Candido: Specifically, the engine is driven by a machine running algorithms. A lot of people will look at statistics for upcoming fights and do intuition in their own head about weighting which factors are more valuable, which factors are more predictive of outcomes, and things like that. What this does is actually put some science to those intuitions. It puts an exact weight based on a lot of different simulations and algorithms and analysis, and actually figures out scientifically what the exact weight of these things are. So people might think dos Santos has a great chance of knocking Mir out and we know this because a lot of his career has been knockouts, and he's a very good boxer and the numbers show that. We're actually able tell you why statistically dos Santos has a larger chance of having an outcome of a knockout. It's putting exact science to all those guesses that you would typically make when you're breaking down a fight intuitively or looking over the basic statistics for it. Luke Thomas: Critics of MMA statistics often say there isn't enough sample size to make them meaningful. That criticism would apply to MATUA, too. How would you respond to that? John Candido: It's not like we're basing this whole simulation model on dos Santos' career. Because we're basically basing it on every fight that's happened in UFC since the rule change, we're able to look at the mechanics instead of just an individual fighter's record. From the perspective of 'this guy's had a pretty good run in the last ten fights', whether that's legit or not, yes, and there's a question there. But as far as understanding the basics of how MMA works, that's something I think we've pretty solidly nailed. Even though we only have ten fights worth of information, let's say on a particular fighter to base that off because the sample size is pretty small, the common fan is still doing the same math in their head based on those ten fights anyway. Yes, because we have smaller sample sizes it's a little more difficult, but the accuracies at least I've run into doing the analysis have been pretty good. It is a smaller sample size, but there is a lot of significance and predictive value to the small sample size because MMA - as a sport to model - lends itself very well to breaking it down statistically and being able to put weights on all the different parts of it. Luke Thomas: You say you have a sense of how MMA works. How did you come to that position where you have a feeling for the complexion of the sport such that you can run a simulation engine? John Candido: It's just basically developing a lot of different variables that reflect or represent a lot of the different types of aspects of the Fight Metric stats. Once we were able to do that, we can put them in a horse race of which variables will perform the best when it comes to predicting different outcomes. For instance, predicting knockouts for a fight. There's going to be certain variables that lend themselves more or more heavily weighted that will predict that outcome more often that not. Different variables obviously will be more predictive of different outcomes. You wrote an article about age. That would be another factor I would put in a horse race with a lot of other factors. Once I run the analysis and the algorithms on those, I'm able to see exactly which ones come out with more predictive value than others do. Once I'm able to do that, I can compare how all the variables stack up against each other. The model is built around that principle: weighing heavily the favorable variables that have a lot of predictive value to them and then ignoring some of the other variables that don't exactly give us a good idea about who is going to win. Luke Thomas: Did you learn anything in putting together this model together and figuring out what the favorable predictive variables were? Did you learn something about MMA in the process? John Candido: Oh, absolutely. Plenty of things jumped out. There were a lot of notions I had going in of what I thought I would find that I was surprised by or taught to look a different way at it. Just specifically something off the top of my head was finding out how important wrestling was in MMA. That was probably one of the bigger takeaways of developing the model, just breaking down the sport statistically in general. Wrestling is a huge, huge factor and I didn't expect that as much. I didn't expect that striking would be such a significant second to wrestling when it came to a lot of the variables. Luke Thomas: In terms of Mir's 34% chance of winning, do you believe this is a better reflection of how he'll do or just that it's in contrast to what the oddsmakers are suggesting? Method of Victory Round of Stoppage KO/TKO Submission Decision Total Wins 1 2 3 4 5 dos Santos 45% 6% 15% 66% 32% 18% 11% 8% 6% Mir 9% 14% 11% 34% 25% 14% 11% 7% 5% John Candido: When it comes to odds, that's a different type of analysis. I wouldn't necessarily say that reflects something in the odds themselves. I think what the simulation does more is allow us to see more of how the fight plays out and the different outcomes, methods - more how the fight is going to go down than necessarily the absolute outcome. I wouldn't say that's the most effective use of the model. I have a separate model that I use when I write my ESPN Insider articles and what that model does is actually - it's more based on predicting inefficiencies in the market than it is predicting what's going to go down in an actual fight. When you're looking at that you're asking two different questions statistically, and because of that you have to break it down a little bit differently and analyze it a little bit differently. But I would put more stock in the method outcomes and the round outcomes because those are generated off of the 10,000 simulations and those are aggregated or compiled based on what's most likely to occur, what's most likely to happen. You can definitely take from the fact that dos Santos is a 66% favorite in a sport with a lot of parity that 66% is a pretty significant advantage over his opponent. You can take that as dos Santos having a pretty big edge over Mir. Luke Thomas: Is there a way to run this in reverse? That is, is it a fair way to gauge the accuracy of this engine to marry what actually happened in fights after the fact with what the simulation engine says about what would happen? John Candido: Yeah, sure. When all the algorithms are built, they're built off of historical data, but in constructing them they're definitely tested against data that is not used in constructing the model. In a sense, in the construction of it it's already done that. The relevance of the algorithms that it comes up with, the relevance of the model itself is tested out beforehand to see whether or not it performs well or holds its weight against new data in anticipation of it receiving new data in the future. So yeah, you can definitely go back and validate its performance and see how it would've done because its already done that in the construction of the model itself. Luke Thomas: How often do you believe you'll have to go back and update the algorithm and the model here as the game itself changes? John Candido: That's an interesting point because obviously mixed martial arts is a very evolutionary sport and things are constantly changing. I don't see it being a fight-to-fight basis or an event-to-event basis, but if there are new patterns that emerge and things that come up, then I'll definitely be able to see that in the change of how new models asses weights different variables and how that kind of changes over time. The more data we have, the better the model will be and the more accurate it will be. It will pick up on these new patterns as they arise and as new data is set in to it to train it on. * = UFC 28 was the first UFC event to use the Unified Rules of MMA. In the wake of Kenny Florian's retirement, I felt it necessary to give praise to one of MMA's improperly viewed fighters. That is, nearly everyone agrees Florian was a supremely talented fighter, but failing to win titles in three attempts across two weight classes are the true defining moments of his career. It's true it's impossible to ignore those shortcomings. They are part of his history. But undo focus on them really shortchanges a fighter of pretty remarkable accomplishment. More than almost anyone in the modern era, Florian worked with an unparalleled diligence to consistently improve his skill set. It's true Florian's athleticism was always a touch underrated and his improvement is partly of function of what a good athlete he actually was. But there are very few fighters one can point to from Florian's generation or 'class' who developed into the final product he became given his starting point. Every aspect of his game was sharpened. Those dimensions where he lacked severely in the early stages of his professional career ultimately became his strengths. Florian had weaknesses, too. No fighter is an android of perfect technique and execution, but the journey he traveled to position himself to win a title must've taken a will few among us can summon in any professional endeavor. That he did what he did in MMA through the sweat of his brow and unfailing belief in himself is worthy of our highest praise and admiration. He unquestionably gave MMA everything he had and he did it year after year, fight after fight. We can ask for not one thing more from anyone who competes. Fortunately, there's more to the story than my qualitative analysis. FightMetric breaks down the numbers behind his very real accomplishments: Florian is the first and only fighter to compete in four different weight classes: middleweight, welterweight, lightweight, and featherweight. He retires with 8 wins in the UFC by submission. That ties him with the most among fighters in the modern era. Royce Gracie has more all-time submission victories. Florian earned 7 tapouts on 13 submission attempts, giving him a submission accuracy of 54%. That makes him the only fighter in the modern era with a submission accuracy greater than 40% (a minimum of 10 sub. attempts is required to be considered). He holds a perfect 7-for-7 record on rear naked choke attempts. Florian landed more significant strikes than his opponent in every one of his UFC victories. 10 of his 12 wins inside the Octagon came by way of stoppage. He retires having accumulate 3:07:38 of fight time. That's the 13th highest career length in UFC history, putting him directly behind Chuck Liddell. All quantitative data provided by FightMetric except where otherwise noted.

Posted in: fight, mma, simulation, outcome, model

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FightMetric ran 10,000 computer simulations of Junior dos Santos vs. Frank Mir and the results were…

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Posted in: vs, do, simulation, badmisinfoagent, badmisinfoagent link

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FightMetric ran 10,000 computer simulations of Junior dos Santos vs. Frank Mir and the results were…

FightMetric is proud to introduce the most advanced MMA simulation engine ever developed.The MATUA model harnesses the power of FightMetric’s deep database of statistics to simulate a match based on the two fighters’ past statistical performance. The simulation is run 10,000 times to reduce random chance and then produces the number of simulations in which each fighter won, by what method, and in which round.The resulting MATch Up Analysis, or MATUA, while not a true prognostication tool, produces a statistical view of upcoming fights that may see things that our eyes do not.The MATUA model was created by FightMetric Fellow John Candido. It is built upon a statistical analysis of every UFC fight of the modern era to determine which characteristics of MMA are most predictive of winners, method of victory, and duration of fight. You can read more of John’s analysis at ESPN Insider and follow him on Twitter: @johncandido.So how did MATUA see dos Santos vs. Mir playing out? Method of Victory Round of Stoppage KO/TKO Submission Decision Total Wins 1 2 3 4 5 dos Santos 45% 6% 15% 66% 32% 18% 11%  8%  6% Mir 9% 14% 11% 34% 25% 14% 11%  7%  5% No surprise that dos Santos by KO/TKO is the most frequent simulation result. Also note that submission results can also include submissions to strikes. But while Cigano wins nearly two-thirds of simulated fights, MATUA has Mir winning a greater percentage of the time than the current odds are giving him credit for.Stay tuned for more MATUA results for the biggest fights in MMA.

Posted in: fight, do, fightmetric, simulation, matua

Read the full article at Fight Metric

By completing this short survey, you can shape the future of the UFC Undisputed franchise

I can think of few instances where a game developer has been in the eleventh hour of releasing the first major patch of their flagship franchise, only to release a survey to their community for some last minute direction. That's what we're getting from THQ though, and it's pretty cool for the fans of the series. THQ just released a survey asking the community what their favorite part of UFC 3 is, what their gameplay habits are in the online community, and most importantly -- the fate of 'Simulation' energy settings in ranked mode. As you may have heard, we have street teams forming, people are getting the message and a difference is being made. In Connecticut we held a pro simulation settings rally (it was just Gary LaPlante) and other towns have showed interest in possibly acknowledging the importance that this survey holds. Guys, after legalizing MMA in New York, getting simulation energy settings in UFC 3 ranked matches is by far the second most important thing on an MMA fan's agenda (for reference: Twitter bombing the UFC to bring back Tim Sylvia ranks 14th). Taking this survey can make that dream of simulation settings in ranked matches and more a reality. We here at MiddleEasy are in tune with the 18-34 male demographic that THQ is asking for guidance from, and like you guys, we are also very disenchanted with voting for hope and change. Some of you may remember the 'EA MMA Patch of Doom' that dropped this time last year. Some of you may even play CounterStrike 1.6 still. We get it. However, we can't let our clouded faith in the voting process stop us again; take the UFC Undisputed 3 survey and let's make our dreams come true. Vote for change! Click here!

Posted in: ufc, mma, survey, simulation, setting

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Rampage Jackson vs Ryan Bader UFC 144 fight video simulation in PRIDE mode

Former Ultimate Fighting Championship (UFC) Light Heavyweight Champion Quinton Jackson returns to the Saitama Super Arena in Japan this Saturday night (Feb. 25) at UFC 144: "Edgar vs. Henderson" to take on Ultimate Fighter (TUF) 8 Champion Ryan Bader. While "Rampage" won't be fighting "Darth" inside a ring, that hasn't stopped the gang behind the UFC Undisputed 3 video game from running a "PRIDE mode" simulation. Over the span of 25 fights, Jackson stuffed 80-percent of the takedown attempts, won 14 times (with once soccer kick knockout) and scored 11 first round finishes. To his credit, Bader recovered from being rocked almost 100 times. When all was said and done, the video simulation had Jackson's hand raised in victory. But will life imitate art? We're just over 48 hours from finding out. See what the simulator said about the main event match-up of Frankie Edgar vs. Ben Henderson by clicking here.

Posted in: ufc, jackson, event matchup, simulation, credit bader

Read the full article at MMA Mania

This is a call to occupy the THQ messageboards-We need simulation settings in ranked UFC 3 matches

Together we defeated SOPA (let's pretend ACTA doesn't exist for the sake of a brief triumph), now we must have simulation settings in UFC 3 ranked matches. Enough is enough, we the people of the Undisputed community want, no, demand that simulation energy settings be integrated into the ranked online matchmaking. We all know UFC 3 is a much improved product, but it's undeniable that with simulation settings UFC 3 goes from a good MMA game to a great MMA game. Realistic strategies are employed, matches last longer and even go to a decision more often. I can't say enough about how realistic the simulation stamina settings make the game. All of the hardcore players are doing it, all of the cool kids play with simulation stamina settings, and if we jumped off a bridge we hope you would too if we thought it was for the greater good (or over a setting in a videogame). Sorry for the motherly/suicidal anecdotes. There are thousands of signatures in this thread on the official UFC 3 messageboard urging THQ to add simulation settings to ranked matches, which are only featuring standard settings at the moment. Here are a few choice posts from the petition thread: JoelJitsu: Signed! This needs to happen! Sim Mode is excellent. It really should be the default mode, if you want a realistic sports game. For example you play NBA 2K12 and go to quick match the drfault settings isnt arcade mode where theres no shot clock and the starters do not get tired. Game is great and sim mode makes it even better IMO! Quarasma77: It would  be a huge error on their part if simulation wasn't an option in ranked online matches. BleedBlue-KY: Just went home for lunch to get in a couple quick ranked matches and there Regular Mode (Arcade) mode just isn't any where as good as Simulation mode. Regular mode is a lot like UFC 2010 in many ways Simulation Mode is what the sport of MMA is all about and should be UFC Undisputed primary game mode or at least put Simulation mode in ranked....Keep signing VikingNate44: signed.... If this isnt an option I wont be playing ranked at all....Signed SpidaSilvaEmpraFedor: THQ did a great job on this mode. I played a Muay Thai CAF against another Muay Thai CAF in the HW div. in simulation and it was the most amazing 4.5 round war that I could ever concieve. by the end we were both so gassed from the Hendo/Rua-esque paced match that it almost looked like the Mark Hunt vs Ben Rothwell fight; halariously brutal, sluggish and VERY realistic. SIGNED FlamingCurtain: I registered only to sign this petition. Signed We aren't going to pretend it doesn't cost big bucks to patch a game, and we aren't going to pretend everything is coming up roses at THQ (coming up roses?), but if you want a fool proof way to keep players playing, patch it THQ. Please. We are begging you with default energy settings.

Posted in: ufc, game, mode, simulation, setting

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Nick Diaz vs. Carlos Condit UFC 143 Fight Video Simulation

With just over 24 hours to go before Nick Diaz and Carlos Condit clash in the UFC 143 main event for the interim welterweight title, UFC Undisputed 3 has released a simulation of the matchup that predicts Diaz will submit Condit in the second round. Agree or disagree? Watch the simulation below and share your predictions in the comments:

Posted in: ufc, diaz, nick diaz, condit, simulation

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UFC 140 Video: Jon Jones vs. Lyoto Machida Undisputed 3 Fight Prediction

The UFC 140 light heavyweight championship bout between Jon Jones vs. Lyoto Machida is a very interesting battle of styles. In the weeks leading up to this event, you have probably heard all the analysis, predictions, and breakdowns from all the experts and pundits. Now, here's a fun and interesting take, as the makers of the upcoming video game, UFC Undisputed 3, simulated the fight 25 times in AI matches and made a prediction. Here's the outcome of those simulations and the interesting stats they got from it: - Jones won 18 out of 25 bouts, only 1 of these wins were by submission- Machida only won 7 out of the 25 simulations- Only 1 of those 7 wins from Machida were by KO, the rest were decisions.- On those 25 bouts, Jones landed 61% of his takedown attempts.- Jones also landed 42% more strikes than Machida. Interestingly enough, the current betting odds that have Machida close to a 4-1 underdog. This means that according to bookmakers, Lyoto only has a 20% chance of winning the bout. That's 5 out of 25 bouts, and pretty close to the game's simulation. Did the game predict it correctly? I guess we'll find out in a few hours.

Posted in: jone, bout, machida, prediction heres, simulation

Read the full article at Bloody Elbow