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A flaw in Duckworth - Lewis was highlighted today


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Delhi were 88/1 after 8 overs when it started raining and they were playing assuming it's a 20 over match. They were well on course for 200+ which is more or less a winning score in T20. After the rain, they got only 3 overs to slog and only 4 runs were added to their eventual total. The target should have been around 140-150 runs in 11 overs for Punjab to compensate for the fact that Delhi batted 70% of their innings thinking it's a 20 over match. The target should have been equivalent to a 200+ score in 20 overs which would be around 140 or so in 11 overs. Delhi were hard done by the Duckworth-Lewis system today, which is good but still has its own share of flaws.

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Guest HariSampath

No shwethabh, you are wrong. The DD team had about 25 % of their inngs remaining after it was decided as a 11 over game, and also 90% of their resources remaining. This is taken into account when the final score is determined, but DD lost wkts in last 3 overs and didnt score many runs, still their 118 was boosted by 4 runs. In the end, with Kings 11 needing 88 off 6 overs ( everyone knew this including DD) if they lost ust 3 wkts, coasted home, but only off the last ball six by Jayawardene....all this time from 31-3, Kings11 were facing the possibility of losing the game with just one wkt more....one ball away from a loss, while chasing 11 an over, so fair and square, whatever flaws D/L may have, Kings 11 made it by their better cricket. ( dont forget that with the threat of rains, delayed start/interruptions etc....DD won the toss and had their options, also while needing to bowl 5 overs minimum to force a result at 31-3, they gambled with spinners and lost it)

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Hari' date=' Delhi were aware that is was a 11 over match only for the last 3 overs of their innings. If they had known from the start that it was an 11 over match, presumably they would have scored more than they did and taken more risks.[/quote'] or maybe they would have all tried to slog cuz its only 11 overs and been all out for 50 in 5 overs. Its all speculation and what ifs are not reality. DL is not completely flawless but the best and the only working method to decide games in such scenarios.
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Hari' date=' Delhi were aware that is was a 11 over match only for the last 3 overs of their innings. If they had known from the start that it was an 11 over match, presumably they would have scored more than they did and taken more risks.[/quote'] and lost more wickets and mind u they also got 6 overs out of 11 as power plays and if u watched the game sehwag and gambhir were on rampage hitting over fielders , whereas punjab got only 3 overs and added pressure of keeping with runrate and not losing wickets always on mind and ever changing target.
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well if delhi would have known bout 11 overs they might have lost more wickets and target for punjab probabaly lower, well when they know they have 3 more overs they lost 3 wickets and mind u they also got 6 overs out of 11 as power plays and if u watched the game sehwag and gambhir were on rampage hitting over fielders , whereas punjab got only 3 overs and added pressure of keeping with runrate and not losing wickets always on mind and ever changing target.

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Yes they could have been all out in 2 overs also, but logically a team which is aware that it is a 11 over game for the entire duration of their batting is at a bigger advantage than a team which is aware that is a 11 over game for only 3 overs. That's the entire point behind the Duckworth-Lewis method and calculations and the 4 runs added were a poor differential given to Delhi.

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well u have to realize its a constantly changing target with no of wickets lost so its very difficult to chase and like i said only 3 power play overs compared to 6 delhi got and gambhir and sehwag took complete advantage of that though both were lucky . the point is lets say if delhi was 80 in 11 overs then would have been criminal but they completely used the power play overs and got double the overs.

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delhi were on course for 230, not 200, 94 off 8.1 overs would be 230 in 20 overs at 11.5 rr and as teams accelerate in the last 10 overs, delhi would have been on course for 240-250 in 20 overs. mohali, should have got atleast 140 in 11 overs to chase. they got to chase a target which was lesser than delhis original run-rate of 11.51 in 8.1 overs. the target they got had a run-rate of 11.18

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delhi were on course for 230, not 200, 94 off 8.1 overs would be 230 in 20 overs at 11.5 rr and as teams accelerate in the last 10 overs, delhi would have been on course for 240-250 in 20 overs. mohali, should have got atleast 140 in 11 overs to chase. they got to chase a target which was lesser than delhis original run-rate of 11.51 in 8.1 overs. the target they got had a run-rate of 11.18
ok lol what is the guarantee they would have scoers 140 runs in 12 , its all would have should have, punjab has one of the best death overs bowled by any team maybe delhi would have scored 260 who knows , maybe 180 . maybe i would have become billionaire by now , its all just fantasy dude.
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atleast delhi making 230 should have been there. delhi were going at a rr of 11.51, that makes it 230.2 runs in 20 overs. mohali should have got a req rr of 12 atleast at the start

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Guest HariSampath

No...DD could also have got out for 150 in 20 overs...and it is not as if they were going at 11.51, they had played 3 overs , lost 3 wkts for almost 25 runs only...so its all just guess work...the real factor here is that DD KNEW they were defending 123 , in 11 overs, and also that in the 5 overs minimum for a match Kings had lost 3 wkts andDD also knew the target for 8 overs. Punjab were under greater pressure as they had to get 89 in 8 without losing any further wkt...if jayawardene /Luke had got out ...Kings were ONE ball away from losing on runrate...so it was a far more creditable win for Punjab getting to 94-3 in 8 overs.

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No...DD could also have got out for 150 in 20 overs...and it is not as if they were going at 11.51' date=' they had played 3 overs , lost 3 wkts for almost 25 runs only...so its all just guess work...the real factor here is that DD KNEW they were defending 123 , in 11 overs, and also that in the 5 overs minimum for a match Kings had lost 3 wkts andDD also knew the target for 8 overs. Punjab were under greater pressure as they had to get 89 in 8 without losing any further wkt...if jayawardene /Luke had got out ...Kings were ONE ball away from losing on runrate...so it was a far more creditable win for Punjab getting to 94-3 in 8 overs.[/quote'] exactly thats what i am saying but i guess for some reason they dont wanna admit that lol
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