Day two heptathlon forecast: Ennis vs. Chernova

Here's a look at how Jessica Ennis squares up against Tatyana Chernova based on a variety of different scenarios.

Projected scores based on PBs

Ennis 4078 + 6.51m (1010) + 46.71m (796) + 2:08.46 (987) = 6871

Chernova 3927 + 6.82m (1112) + 54.49m (947) + 2:06.50 (1016) = 7002

Projected scores based on SBs

Ennis 4078 + 6.44m (988) + 44.81m (760) + 2:08.46 (987) = 6813

Chernova 3927 + 6.82m (1112) + 52.00m (899) + 2:10.62 (956) = 6894

Scores based on average of best five results per event

Ennis 4078 + 6.45m (991) + 45.73m (778) +2:10.12 (963) = 6810

Chernova 3927 + 6.75m (1089) + 53.35m (925) + 2:09.13 (977) = 6918

All of these scenarios suggest Chernova is the most likely winner but the Russian sometimes struggles to put together her best marks on the second day.

Recent heptathlons

Chernova

Gotzis '11 – 6.82m, 47.07m, 2:13.36

Kladno '11 – 6.59m, 52.00m, 2:10.62

Gotzis '10 – 6.52m, 51.35m, 2:13.97

Euro Champs '10 – 6.42m, 50.22m, 2:15.45

Talence '10 – 6.23m, 47.96m, 2:15.69

Ennis

Gotzis '11 – 6.37m, 43.83m, 2:08.46

Gotzis '10 – 6.13m, 43.40m, 2:11.19

Barcelona '10 – 6.43m, 46.71m, 2:10.18

Ennis showed what a fantastic competitor she is with a huge outdoor PB in the shot put and there's room for improvement on her season's bests in the long jump and javelin. I'm sure Ennis can drag out a few more seconds in the 800m if necessary too.