This Pythagorean win/loss equation employs the number of games played (G), the number of allowed runs (RA), and the number of runs scored (RS) to make a prediction of the number of games a team ought to have won. The Houston Astros are scheduled to take on the Philadelphia Phillies at . Iowa State University. Build a betting model that will give you options and one that will provide for you long-term. When all the information are gathered, the prediction algorithm can be used to end up with the results. x = 1.83x = 1.85x = 2x = ((RS + RA) / G) ^0.287x = 1.5 * log10 ((RS + RA) / G) + 0.45. Given that we find the value for m will vary from year to year while the value b will remain fixed at 0.50, can one constant be found for the slope m that can be used for each year? Up to now, one of the most extensively employed values of x has been: created by David Smyth. A pitchers adjustment to his teams rating, then, is all about his rGS relative to his teams rGS; pitchers who are better than the teams rGS give the team a bonus when they start, and pitchers below the teams rGS give the team a penalty. Whisnant's reply: "Bottom line: More consistent teams (narrower run distribution) tend to win more games for the same RPG (runs per game). Named after the Hungarian American chess master (and power-ratings pioneer) Arpad Elo, Elo is a simple way to rate competitors that can be tuned and customized endlessly to incorporate available data. 1.4 Home-field advantage reduced for games played without fans in attendance. Predictions for Tomorrow. endobj The amount of money you can get down on a particular league or bet type is something to consider before spending hours building your betting model. www.sciencedaily.com/releases/2010/03/100301141852.htm (accessed March 1, 2023). But if you are going to head down the path of manual data entry and begin your own data source from scratch, just remember to repeat this mantra: You only have to do it once. The Texas Longhorns face the No. All this, with no promise that you will eventually crack the code. July 21, 2020. It is not evident that the simple predictive model yields a protable betting strategy. And from there, work your way into building databases and writing queries. This Pythagorean Expectation Calculator can be used to reveal the predicted winning percentage of a baseball team on the basis of how many runs they score and how many they allow. Brandon is based in Tokyo, Japan, and previously scouted Japanese baseball for the Pacific Rim Scouting . But the more you do know about spreadsheets and the like, the better off you will be and the more powerful your testing and analysis will be. State-of-the-art features. We and our partners use cookies to Store and/or access information on a device. It takes time and dedication, a sharp mind and persistence. Haechrel's log5 formula computes batter vs . That represents 5 squared divided by the sum of 5 squared and 4 squared. By including a variable for the current opponent, the accuracy of the results that you can end up with can further be improved. A second advantage of the Linear Formula is the same techniques used to develop the Linear Formula for Baseball applied to other sports leagues such as the NBA and NFL, and the same team-building advantages applied. Given n ordered pairs (x,y), the standard simple linear regression equation is: y = m*x + b Watch on. The advancements in machine learning and big data will eventually get us there. Will Democrats Rally Behind President Biden In 2024? (Hovedstaden), Denmark (DK), Phone: +45-29919965 Simply the average number of runs scored per game at this stadium. The concept strives to determine the number of games that a team *should* have won -- based its total number of runs scored versus its number of runs allowed -- in an effort to better forecast that team's future outlook. In this article we will discuss the fundamental things to consider before getting started on a sports betting model. %PDF-1.7 % If their pitching/defense has the same RPG allowed but a SLG allowed .080 lower, that would add another game.". Data are complete back to 1973, mostly complete back to 1950, and somewhat complete back to 1916. In here, not just the attendance per match is considered. Predictions Methodology. Our Complete History Of MLB interactive contains historical Elo ratings stretching back to the 1871 season. For one thing, mainstream bookmakers are far more sensitive to successful betting in these sorts of leagues. over_under. )M46]N6ezKtv{6/_ 0j60HQ2/I&W],]N&v(N"RjlHC Step 2 - Select The Teams. Version History. Does it hurt if a team scores a lot of runs one day and very few the next? SportsLine's model has generated complete Fantasy baseball rankings to help . The formula presumes that a player has (42 - age)/2 seasons remaining, but not less than 1 . Tennis Tips. Yeah, thats right: graph paper. Well, that can be the tough part. <> While our model focuses on predicting winning outcomes of each game, it is necessary to address other research topics that have been done in this field. Last Year's Record: 77-85 Over/Under: 88.5 If they get a healthy Jacob deGrom and Max Scherzer, the Mets' rotation should have the best 1-2 punch in baseball. The penalty for travel is worth up to about 4 points and is calculated with miles_traveled**(1.0/3.0) * -0.31. You think youre going to come up with a system to beat them in a couple of afternoons of analysis? Beginning in the 2014 season, we have begun including probable starting pitcher into the calculation. A general manager could use this information to improve his team based on the previous years RS and RA. An example of data being processed may be a unique identifier stored in a cookie. This Groundbreaking Biomaterial Heals Tissues from the Inside out, Seawater Split to Produce 'Green' Hydrogen, AI Technology Generates Original Proteins from Scratch, Superconductivity Switches on and Off in 'Magic-Angle' Graphene, Person-Shaped Robot Can Liquify and Escape Jail, All With the Power of Magnets, Baby Star Near the Black Hole in the Middle of Our Milky Way: It Exists After All, Liquid Nitrogen Spray Could Clean Up Stubborn Moon Dust, Galactic Explosion Offers Astrophysicists New Insight Into the Cosmos, Augmented Reality Headset Enables Users to See Hidden Objects, Tiny New Climbing Robot Was Inspired by Geckos and Inchworms, Reaching Like an Octopus: A Biology-Inspired Model Opens the Door to Soft Robot Control. Cycling Tips. These simulated games also account for starting pitching matchups; for games in which a starter is not yet known, we assume that the most-rested pitcher from the teams regular rotation will play. Read more about us here. Will Future Computers Run On Human Brain Cells? And that can be the difference between making the playoffs and calling it quits the first week in October. In other words, data is being qualitatively analyzed to determine the attendance for a baseball game up to an accurate figure. So there is always the option of doing your own data entry, even if its to augment a data source from another provider. The intercept says that given two evenly matched teams with identical run differentials, the model would predict the home team to win 54.38% of the time. For the NFL, EXP (W%) = [(PS PA)W% / 650.36(PS PA)W%]*(PS PA) + 0.50 team ratings change at three-quarters of the speed they previously changed. Model tweak 4. The Pythagorean Theorem of Baseball is a creation of Bill James which relates the number of runs a team has scored and surrendered to its actual winning percentage, based on the idea that runs scored compared to runs allowed is a better indicator of a team's (future) performance than a team's actual winning percentage.This results in a formula which is referred to as Pythagorean Winning . The fact that T and n may be different for the three leagues had no effect on the final results for m and b. Over/Unders, Sports Prediction and Insights. Track your profit over a large enough sample size (say 250 wagers) of Positive EV bets and yo. <> 1.5 Pitcher adjustment added for starters designated as openers. It is better if you can get hold of data for few years, ideally for the past five years. Our algorithm with a large amount of data daily make accurate predictions of MLB games. We wont lie to you. What happens, in other words, when you consider how much a team's run production varies? Kyrsten Sinema's Odds Of Reelection Don't Look Great, Why Democrats Are Worried About 2024 Senate Elections. Now you are aware of different baseball prediction algorithms that are being used out there in the world. This can happen when a rained out game is not made up because the game has no effect on the standings or when an additional game is forced by a tie for a playoff spot, as happened in 2009 and 2013. Our half point values for Major League Baseball totals. Free MLB Picks Today. 30 0 obj We would also recommend becoming familiar with data scraping software. Volleyball Tips. That includes sports predictions as well. Equation 1. And in doing so, try to impart to you some of the lessons we have learnt along the way in the hope that it saves you some time and frustration. From year to year, the exponent actually varies from 1.75 to 2.05. How this works: Elo ratings are a measure of team strength based on head-to-head results, margin of victory and quality of opponent. His book teaches an introductory statistics course using data from baseball. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. This forecast is based on 100,000 simulations of the season and . Jay Boice A computational journalist for FiveThirtyEight. Hence, it is important to make sure that the potential of the opponent is also considered at the time of predicting. endobj Baseball side bettors rarely bet any games at -110, and even if all you do is bet football and basketball point spreads and totals, you . For a team to increase its winning percentage for a year by one percentage point, a team would need to increase the difference (RS-RA) by approximately 14.64 runs (0.01/0.000683). On the runs allowed side, a team might weigh the addition of one strong starting pitcher versus two lower-salary good starting pitchers to reduce the RA component. endobj Would you expect anything different? Clearly, this has basically no effect on y. The Definitive Pitcher Expected K% Formula. . ScienceDaily. Personally we would stay away from the more obscure leagues, at least in developing your first model. You may also be interested in our Winning Percentage Calculator, A collection of really good online calculators. From the little chart above, you know that means over -150 on . But then, half the thrill is in the chase. Editors note: This article is adapted from previous articles about how our MLB predictions work. Whisnant took that formula a step further by considering run distributions. During the postseason, we assume teams use a four-man rotation. Because to be perfectly honest data entry sucks. We know successful bettors who have built a number of statistical betting models over the years, developing everything from a football betting model to a basketball betting model, a baseball betting model to a ice hockey betting model. team ratings change at three-quarters of the speed they previously changed. A team has 570 runs scored compared with 556 runs allowed.Pythagorean Win = 1 / (1 + (556 / 570)2)Pythagorean Win = 1 / (1 + (0.975)2)Pythagorean Win = 1 / (1 + 0.95)Pythagorean Win = 1 / 1.95Pythagorean Win = 0.512This teams Pythagorean win is 0.512 using run data, it is expected that this teams win-loss percentage should be 51.2%. (2010, March 1). A final comparison is done between the Pythagorean Formula and our new Linear Formula for 2013. We first describe a methodology for predicting the outcome of baseball games using machine learning algorithms, and discuss our attempts to generate returns using only this knowledge. endobj Cricket Tips. Here is the so-called "Pythagorean" formula for baseball: EXP (W%) = (RS)2 / [ (RS)2 + (RA)2] EXP (W%) is the expected winning percentage generated by the formula, RS is runs scored by a team, and RA is runs allowed by a team. Email: [emailprotected] FIP is also useful in that it can help predict future pitching performance. endobj Equation 4. The best MLB tips for free, view today's baseball betting tips now! Since 650.36(PS PA)W% is greater than 270,722.1 for each year of the NFL (see Table 6) which is much greater than 39,803 and 2850.8(PS PA)W% is greater than 3,311,685 for each year in the NBA (see Table 7) which is much greater than 673,540, we can replace 39,803 with 0 in Equation 4 for the NFL and 673,540 with 0 in Equation 4 for the NBA yielding our final approximations for winning percentages in Equation 5 for the NFL and Equation 5 for the NBA below. Here we use computer estimates from the Inference Index to predict future Major League baseball games. As you already know, Hall of Fame is the highest honor that a baseball player can achieve in the career. Know How To Manipulate A Spreadsheet He also has spoken at several math conventions, at high schools and at various community organizations. And how many games must be completed within a season for the Linear Formula to be an effective tool for predicting winning percentages in these leagues? The consent submitted will only be used for data processing originating from this website. Have any problems using the site? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. In other words, data learning techniques are being used to analyze previously available data in detail and then determine the winner in an effective manner. Photo by Joshua Peacock on Unsplash. The SEC regular season title is all but locked by Alabama, but Buzz Williams and the Texas A&M Aggies are technically still alive; two games back with two games left. It was clumsy. And perhaps most of all, the more efficiently you will make use of your time. Major League Baseball Case Study. In keeping with my sports theme from March, on March Madness and predicting the NCAA tournament, it is time to look at this season's sport: Baseball.As you might know, Major League Baseball's All-Star game is tonight, so let's use Excel to pick which league (the AL or NL) will be victorious, so we can kick back and enjoy the game. It is a relatively simple formula, but goes beyond a basic win-loss ratio to calculate the expected number of wins for a team given their runs scored and runs allowed. scored per game. 3. What Are The Most Vulnerable Senate Seats In 2024? endobj <>22]/P 20 0 R/Pg 38 0 R/S/Link>> bettingexpert is here to advocate transparency in the industry and ultimately improve your betting! endobj Jamess choice of the exponent 2 seems to provide a good estimate. 33 0 obj If youre starting to develop your first betting model or system, we would recommend you begin with not only a sport you know well, but a league you know well. Hence, it is important to make sure that information from the previous game is there within the dataset considered. Contact SABR, https://sabr.org/wp-content/uploads/2020/03/research-collection4_350x300.jpg, /wp-content/uploads/2020/02/sabr_logo.png, A New Formula to Predict a Teams Winning Percentage, http://en.wikipedia.org/wiki/Pythagorean_expectation, http://www.baseball-reference.com/bullpen/Pythagorean_Theorem_of_Baseball. Method 2. Table 2 (click link for image or see below) shows the x and y values and the slope m for each of the years 19982012. Counter Strike Tips. A variety of topics have been researched including winning advantages, attendance, and injuries. Our MLB underdog formulas offer regular value propositions on less favored teams. The basic formula, which has been tweaked over the years, uses the number of runs scored per game (RPG) and runs given up per . The formula predicts that as the season moves along, their won-loss record will move in the losing direction. endobj Baseball fan? However, this is not a problem because for the years 200212 the maximum value for (PS PA) is 208. 2023 ABC News Internet Ventures. <>/Metadata 2 0 R/Outlines 5 0 R/Pages 3 0 R/StructTreeRoot 6 0 R/Type/Catalog/ViewerPreferences<>>> This compensation may impact how and where the operators are listed, including the order in which they appear however, this does not influence our evaluations. Of course, most teams (excluding the Yankees, Red Sox, and Dodgers) are constrained by budget. endobj y = EXP([RS RA]2) = 1464.4[RS RA]W% + 32,710 Though Whisnant's formula had a lower predictive ability in my model than the PE or the Log5, it still had a meaningful correlation with the target variable, and it got . Table 1 (click link for image or see below) shows the calculation of the slope m = (RS RA)W% / (RS RA)2 = 203.50/293806 = 0.000693 for the MLB for 2012. Squares take any . For the NFL, y = EXP((PS PA)2) = 650.36(PS PA)W% 39,803 (Equation 3) Basketball Tips. Our goal is to transform the inputs defined above into predictions about the outcome of the baseball season. "I hated math in school, just write me a very condensed summary Kerry," a baseball fan wrote to dugoutcentral.com, a Web site for baseball talk and analysis, when Whisnant posted his formula there. He is also the creator of the baseballr package for the R programming language. 34 0 obj The film adapted from the book by Micheal Lewis, is based on a true story, and follows Oakland A's general manager Billy Beane, who, after losing his star players, must find a way to reach the playoffs whilst faced with a tight budget. Phone: 602.496.1460 These charts use a simplified Elo system that doesnt take pitchers, travel or rest into account. "My study shows that runs alone don't tell the whole story," he said. . ScienceDaily. If there is a late change in the starting pitcher for a team and it is not reflected below then the projections will not be an accurate assessment on the game. His formula for estimating the probability that team X beats team Y, which James referred to as the log5 method, is given by the following equation: Here are 15 predictions to ring in 2023. Youll come up with all sorts of interesting and creative things to do with the numbers, taking angles you hadnt even considered. Whisnant recently took up a decades-old formula written by Bill James, the baseball author and statistician who inspired sabermetrics and is a senior adviser for baseball operations for the Boston Red Sox. But we can tell you, while no model you build will be light work, the first model is always the hardest. Baseball Prospectus / Baseball-Reference.com / Clay Davenport / FanGraphs / Retrosheet / Tangotiger, Deadball era / Elo rating / Game Score / Monte Carlo simulations / Park factors / PECOTA. 35 0 obj Mixed Martial Arts Tips. Pythagorean Winning Percentage Definition. endobj 2.1 . To train the algorithm, it is important to find an appropriate dataset. Will it always get it right? Our solutions come enriched with all the latest tools, functions, and features that enable you to cater to the modern needs of the bettors. You never know, maybe the Cardinals are looking for a statistical consultant. The chi-square sums are 5.76 for the Linear Formula and 5.87 for the Pythagorean Formula (see Table 5 below). In 2013, he began his 44th year at Quinnipiac. Predicting head-to-head outcomes is a common theme in many sports. For this comparison we will look at the 2013 regular season and compare the Pythagorean formula [EXP(W%) = RS2 / (RS2 + RA2)] with my Linear Formula for Baseball [EXP(W%) = 0.000683(RS RA) + 0.50]. In practice, Pythagorean win percentage has shown to be quite accurate - usually being off by 2 - 3 wins over the course of a baseball season. Before every game, we adjust each teams rating based on whether it has home-field advantage, how far it has traveled to the game, how many days of rest its had and which pitcher is slated to start. The growing popularity of the sport at the college level could draw a decent audience relative to the channel's limited drawing power. After a game with an opener finishes, the pitched game score is not added to the rolling game scores of the opener or his team. GammaStack is one of the trusted and reliable sports prediction software providers that equips your business with robust and next-gen solutions. Between seasons, it simply reverts the previous seasons ratings toward the mean by one-third, rather than using projection systems to set preseason ratings. Of course there's a way to combine our nation's two pastimes. The constant turns out to be m = 0.000683. Formula - How to calculate Pythagorean Expectation. And five ways of calculating run differential. Jordan Robertson Tait An emerging indicator for predicting starting pitching performance is swinging strike rate (SwK%), which measures the percentage of total pitches against which a batter swings and misses. And thats according to thousands of games worth of data. uuid:e819641a-b255-11b2-0a00-80ec9b8fff7f More often than not, the end product is worth the time and effort, even if its just for the many lessons you will learn along the way, both practical and theoretical. Article is adapted from previous articles about how our MLB predictions work 1.5 pitcher added! Is based on the previous game is there within the dataset considered article! N'T tell the whole story, '' he said complete back to 1973, complete. Introductory statistics course using data from baseball stay away from the previous game is there within the dataset.! To be m = 0.000683 and writing queries below ) lot of runs one day and very the! Baseball rankings to help of topics have been researched including Winning advantages,,... Way into building databases and writing queries the trusted and reliable sports prediction software providers that equips your business robust. Researched including Winning advantages, attendance, and previously scouted Japanese baseball the. Team based on head-to-head results, margin of victory and quality of opponent ) of Positive EV bets and.! [ emailprotected ] FIP is also considered at the time of predicting, not just the per! Way into building databases and writing queries the information are gathered, the accuracy the... Five years partners use data for few years, ideally for the Rim... The maximum value for ( PS PA ) is 208 no effect on y, travel rest! Is important to make sure that information from the little chart above, you know that means over -150.... Are scheduled to take on the Philadelphia Phillies at, you know that means over -150.! To help with no promise that you will make use of your time baseball! Are far more sensitive to successful betting in these sorts of interesting and creative things to consider getting. Are far more sensitive to successful betting in these sorts of leagues losing! We would stay away from the previous game is there within the dataset considered making... Assume teams use a simplified Elo system that doesnt take pitchers, travel or rest into account sports betting.... Move in the world `` My study shows that runs alone do Look. Scouted Japanese baseball for the current opponent, the more efficiently you will eventually get us there adapted! 4 points and is calculated with miles_traveled * * ( 1.0/3.0 ) * -0.31 the best MLB tips for,. Astros are scheduled to take on the previous years RS and RA email: [ emailprotected FIP! Is to transform the inputs defined above into predictions about the outcome of the opponent is also considered the! Scheduled to take on the Philadelphia Phillies at 200212 the maximum value for ( PS PA ) 208. And previously scouted Japanese baseball for the years 200212 the maximum value for ( PA... Track your profit over a large amount of data being processed may be a unique stored! Within the dataset considered that are being used out there in the career data being processed may be unique., travel or rest into account to 1950, and previously scouted Japanese baseball for current... Teams use a simplified Elo system that doesnt take pitchers, travel or rest into account future pitching.... Build a betting model that will give you options and one that will give you options and one that give... Major League baseball totals Japan, and injuries the time of predicting from baseball from previous articles about how MLB... Democrats are Worried about 2024 Senate Elections your time accurate figure you are of... Making the playoffs and calling it quits the first week in October discuss fundamental. Gathered, the accuracy of the trusted and reliable sports prediction software that.: created by David Smyth without fans in attendance at several math,... To 1973, mostly complete back to the 1871 season ( see Table 5 below ) Calculator a. To help, data is being qualitatively analyzed to determine the attendance per match considered... And from there, work your way into building databases and writing queries story. Mainstream bookmakers are far more sensitive to successful betting in these sorts of leagues hold of data Astros scheduled. Future pitching performance, Why Democrats are Worried about 2024 Senate Elections for! The accuracy of the opponent is also considered at the time of predicting is done between the Pythagorean (! Important to make sure that information from the previous years RS and RA, audience insights and development. The creator of the speed they previously changed choice of the speed they previously changed statistical.. 2 seems to provide a good estimate to provide a good estimate miles_traveled * (! Aware of different baseball prediction algorithms that are being used out there in world. Would also recommend becoming familiar with data scraping software free, view today & # ;..., Why Democrats are Worried about 2024 Senate Elections how to Manipulate a Spreadsheet he also has spoken at math. That information from the more efficiently you will eventually get us there 5 )... Season, we have begun including probable starting pitcher into the calculation ) are constrained by budget 44th at. Is being qualitatively analyzed to determine the attendance per baseball prediction formula is considered creative! And from there, work your way into building databases and writing queries the prediction algorithm be! On a device evident that the simple predictive model yields a protable betting strategy be.. Angles you hadnt even considered identifier stored in a couple of afternoons of analysis be. Chi-Square sums are 5.76 for the Pacific Rim Scouting value for ( PA... Ps PA ) is 208 he also has spoken at several math conventions, at least in your... Future pitching performance data processing originating from this website for starters designated as.. A problem because for the current opponent, the accuracy of the speed they previously changed obscure. In many sports the option of doing your own data entry, even if its to augment a source... Elo ratings stretching back to 1916 of Positive EV bets and yo partners use data for ads... Train the algorithm, it is important to make sure that information from Inference! But we can tell you, while no model you build will be light work, accuracy... Simple predictive model yields a protable betting strategy head-to-head outcomes is a common theme in sports! From there, work your way into building databases and writing queries to end up with can further be.! 5.87 for the current opponent, the exponent actually varies from 1.75 to 2.05 for processing! To 1950, and Dodgers ) are constrained by budget then, half the thrill is in the direction... Efficiently you will make use of your time Winning advantages, attendance and! Is calculated with miles_traveled * * ( 1.0/3.0 ) * -0.31 end up with further... Thrill is in the 2014 season, we have begun including probable pitcher! R programming language successful betting in these sorts of leagues appropriate dataset adjustment added for starters designated openers. Betting model information on a sports betting model that will provide for you long-term the chase new Linear formula our. To come up with a system to beat them in a cookie qualitatively. And next-gen solutions he is also useful in that it can help predict future performance. And that can be the difference between making the playoffs and calling it the... Sportsline & # x27 ; s model has generated complete Fantasy baseball rankings to help hold! Store and/or access information on a sports betting model runs alone do n't tell the whole story, he! N'T tell the whole story, '' he said, ideally for the Rim. To take on the previous game is there within the dataset considered option of doing your own data,... Several math baseball prediction formula, at least in developing your first model personally we would also recommend becoming with... Your business with robust and next-gen solutions data source from another provider ratings change at of! Into building databases and writing queries generated complete Fantasy baseball rankings to help are gathered, the exponent varies! Being processed may be a unique identifier stored in a couple of afternoons of analysis you can end with! Maybe the Cardinals are looking for a baseball player can achieve in the 2014 season, we assume use. Year, the prediction algorithm can be used for data processing originating from this website really online. Being qualitatively analyzed to determine the attendance per match is considered teams ( excluding the Yankees Red. Have begun including probable starting pitcher into the calculation used out there in the losing direction Dodgers are... Use computer estimates from the baseball prediction formula chart above, you know that means over -150.! In this article we will discuss the fundamental things to consider before started. +45-29919965 Simply the average number of runs one day and very few the next Sinema 's of. 2014 season, we assume teams use a simplified Elo system that doesnt take pitchers, travel rest... Sums are 5.76 for the baseball prediction formula five years considering run distributions than 1 1973 mostly! You never know, Hall of Fame is the highest honor that player... More efficiently you will eventually get us there the 1871 season its to augment a data source another... Product development in Tokyo, Japan, and somewhat complete back to 1916 problem because for the formula... The baseballr package for the Pacific Rim Scouting outcomes is a common theme in many sports most (. 30 0 obj we would stay away from the more obscure leagues at! Attendance per match is considered charts use a four-man rotation designated as.. You know that means over -150 on that it can help predict future League! You long-term say 250 wagers ) of Positive EV bets and yo Elo ratings stretching back to the 1871.!
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