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Thread: Calling all Batsmen - What goes through your mind?

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    Cricket Web Moderator Neil Pickup's Avatar
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    Calling all Batsmen - What goes through your mind?

    As most of you probably know, I'm trying to develop a fairly comprehensive cricket simulator right now. The idea is to simulate every ball to a fairly high level of detail and to that end properly enhance the realism.

    Over the next few weeks, I'm looking to develop an early engine (set of code) that defines what happens after the ball leaves the bowler's hand. The coding to decide whereabouts the ball passes the bat isn't too difficult, but I'm a little unsure as to how to simulate the batsmens' decision making process.

    I've settled on code to decide a) where the ball ends up and b) where the batsman *thinks* the ball's going to end up (dependent on his talent), however I need some pointers (ideally with some number representation) as to what goes into deciding which balls to block, which to deflect, which to leave, and which to hit seven shades out of.

    I'm also looking trying to build a decent bank of descriptions that I can use for different pitch types. The variables involved will be Bounce, Movement, Turn & Erraticism (affects bounce and turn) - for example the pitch type "Green Top" would be something like 70 - 95 - 20 - 30.
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    Very occasionally (if Iím not in slogging mood) I just concentrate on keeping it down and playing close to my body (that would be proper batsmen). I donít think too much about which to block and which to smash, that decision just happens naturally. The only time I do that is when Iím telling myself to slog it (common).
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    Cricket Web Moderator Neil Pickup's Avatar
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    Quote Originally Posted by Tom Halsey
    I donít think too much about which to block and which to smash, that decision just happens naturally.
    Which is why I'm a bit stuck as to how it's going to be coded.

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    Hall of Fame Member age_master's Avatar
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    depends on the batsman, for me, sometimes i get into a very defensive mode and block pretty much everything near the stumps, flick stuff on my pads and guide stuff outside the line of off stump.

    usually however i charge the bowling (pace 2-3 times an over, spin about 4 or 5) looking to upset the rythm of the bowler, but most batsmen dont do that.
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    Request Your Custom Title Now! Mr Mxyzptlk's Avatar
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    A defensive batsman (like myself typically) would start his innings by playing with a leave/defend first, hit second mentality. That is, look to defend or not play unless the ball is a rank long hop. As time goes on at the crease it's less of a leave alone mentality, but still basically the defence first priority.

    In limited overs cricket I've been batting late in the innings recently, so I look for the yorker and adjust to anything else.

    Wear should also be a factor of the pitch as pitches in India would typically be more worn and get worn faster than those in Australia.
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    Hall of Fame Member age_master's Avatar
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    Quote Originally Posted by Mr Mxyzptlk
    Wear should also be a factor of the pitch as pitches in India would typically be more worn and get worn faster than those in Australia.
    from the start of the game at certain venues

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    What shot you play depends mostly on line & length of where the ball pitches, with other factors like how many balls the batsman has faced, game scenario, the batsman themself like flintoff & gilchrist would maybe go after more, richardson not so etc. If it's a length ball down the leg-side you're much more likely to deflect it or guide it, same with length ball off-side in a one-day game say (unless it's last 10 overs). Bad length balls not too wide tend to get the bat thrown at them, cuts, pulls, drives and so forth. I'd guess the easiest way to code it is to designate zones depending on the co-ordinates of where the ball pitches (or something like that) factoring in flight/deception of a spin bowler to make you believe the ball is gonna land 2 feet closer to the stumps than it really is. There are also slower balls, off-cutters, swing/reverse-swing etc. to consider.

    Edit: I'm sure there should be a 'corridor of uncertainty' involved as well... which gets larger for 90+mph bowlers (Harmison for example would have a larger margin for error than G McGrath, who'd have a larger margin than A McGrath), with the length you defend against changing with the pace of the bowler.
    Last edited by Scaly piscine; 06-11-2004 at 04:15 PM.

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    Cricket Web Moderator Neil Pickup's Avatar
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    Quote Originally Posted by age_master
    from the start of the game at certain venues
    You lost the Test! Get over it!

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    Eyes not spreadsheets marc71178's Avatar
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    Quote Originally Posted by age_master
    from the start of the game at certain venues
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    World Traveller Craig's Avatar
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    And I doubt you wouldn't say a similar thing Marc if England lost a Test on a similar type of pitch.
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    International Coach tooextracool's Avatar
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    Quote Originally Posted by Craig
    And I doubt you wouldn't say a similar thing Marc if England lost a Test on a similar type of pitch.
    personally i dont understand how any wicket that is constantly bowler friendly or batsman friendly is unfair for any particular team. they're both playing in exactly the same conditions arent they?
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    International 12th Man deeps's Avatar
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    ok i bat at number 5 for my team, and it all depends on the situation. I think this should be part of your simulation. The batsman's decision making changes depending on the situation.


    for example, if i come in at 3/30, i play a very defensive knock. I leave absolutely everything i deem safe to leave (unless it's short or full and there to be hit), and i block everything on the stumps.

    Anything short, i'll either pull or cut, and anything that has a chance of getting me out, i try leave or block as much as possible. If the batsman at the other end falls, and i'm suddenly 6/50 or 7/60 and the batsman to come in aren't that prolific, i tend to open up and play more shots and basically go into an attacking mindset. (if i've been batting for a while, and am set. If i'm not, i try to take up most of the strike, until i'm set and then i open up)

    In terms of what's going through my mind, it depends on whose bowling.If a spinner is bowling, i always tell myself to get to the pitch of the ball if i can, or else get on the back foot and watch the ball closely. To a fast or medium pacer, i tell myself to watch for any swing/seam and just watch the ball in general, as well as to watch out for any trick deliveries (slower or bouncer) that they may have. I tend to duck the bouncers, and almost always block the slower ones.

    i almost always try to watch out the first few deliveries from a new bowler, and there's usually at least one bowler on every team that commands full respect and i tend to watch out their entire over. (its usually this bowler that has took all 3 wickets:P)

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    Quote Originally Posted by Neil Pickup
    As most of you probably know, I'm trying to develop a fairly comprehensive cricket simulator right now. The idea is to simulate every ball to a fairly high level of detail and to that end properly enhance the realism.

    Over the next few weeks, I'm looking to develop an early engine (set of code) that defines what happens after the ball leaves the bowler's hand. The coding to decide whereabouts the ball passes the bat isn't too difficult, but I'm a little unsure as to how to simulate the batsmens' decision making process.

    I've settled on code to decide a) where the ball ends up and b) where the batsman *thinks* the ball's going to end up (dependent on his talent), however I need some pointers (ideally with some number representation) as to what goes into deciding which balls to block, which to deflect, which to leave, and which to hit seven shades out of.

    I'm also looking trying to build a decent bank of descriptions that I can use for different pitch types. The variables involved will be Bounce, Movement, Turn & Erraticism (affects bounce and turn) - for example the pitch type "Green Top" would be something like 70 - 95 - 20 - 30.
    Whats the end purpose of this that you are doing ? I mean is it in the process of developing a game of sorts or what ?

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    Hall of Fame Member Son Of Coco's Avatar
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    Quote Originally Posted by tooextracool
    personally i dont understand how any wicket that is constantly bowler friendly or batsman friendly is unfair for any particular team. they're both playing in exactly the same conditions arent they?
    yes they are! Both teams are definately playing on the same wicket. I guess one team might have a slight advantage if they've played in similar conditions (like Australia on the bouncy WACA) but it's no reason for complaint.

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    International Debutant Eclipse's Avatar
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    When I used to open the batting I would concerntrate on on playing as compact and tight as I could.. But I used to fancy my self as a good shot maker to so I tried to stay as aggresive as I could meaning I would more or less have a big dip at any ball I considerd in the slot no matter what my score was.

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