private void ReportEVEquity(StringBuilder result, EVRange equity, Hand hand, IRange manyHands)
{
// EVRange class, which is a holder for EV and Equity results contains for each hand values of
// calculated EV, total number of matchups and total winnings.
// Except for some corner cases EV is equal Wins/ Matchups
double handEV = equity[hand].EV;
// Calculation of total EV for a given range we have to a be careful.
// We cannot simply average p out the EV's, because different hands have different weights.
// It is also not enough to simply weight them with the current range as this does not
// take into account the card removal effect. The proper way is to calculated weighted EV
// weighted by the number of different matchups the given hand will play.
// To do this we will sum the total winnings of all hands in the range and divide it by the total
// number of matchups played.
double rangeWins = 0;
double rangeMatchups = 0;
foreach (var singleCombo in manyHands)
{
EVHolder ev = equity[singleCombo];
// This is important consideration. Impossible hands are reported by the solver as 0 matchups and NaN Wins.
// We don't want to add NaNs to the running sum so we need this check
if (ev.Matchups > 0)
{
rangeWins += ev.Wins;
rangeMatchups += ev.Matchups;
}
}
//To calculate the total EV for all range we repeat the same process
double totalWins = 0;
double totalMatchups = 0;
foreach (var singleCombo in equity)
{
EVHolder ev = equity[singleCombo];
if (ev.Matchups > 0)
{
totalWins += ev.Wins;
totalMatchups += ev.Matchups;
}
}
result.AppendLine("for single hand " + hand.ToUnicodeString() + " = " + handEV);
result.AppendLine("for hands " + manyHands.ToSingleLineString() + " = " + (rangeWins / rangeMatchups));
result.AppendLine("total = " + (totalWins / totalMatchups));
}
private void ReportRange(StringBuilder result, Hand hand, IRange manyHands, IRange range)
{
// This is how you get the weight of a hand from range
double weightForSingleHand = range[hand];
double totalCombinationsInSelectedSubRange = 0;
// This is how you can iterate over all hands in a range
foreach (Hand singleConbination in manyHands)
{
totalCombinationsInSelectedSubRange += manyHands[singleConbination];
}
//This is a shortcut to get the sum of all weights
double totalWeightsInRange = range.TotalWeights();
result.AppendLine("Weight for single hand " + hand.ToUnicodeString() + " = " + weightForSingleHand);
result.AppendLine("Summary weight for hands " + manyHands.ToSingleLineString() + " = " + totalCombinationsInSelectedSubRange);
result.AppendLine("Total combos in range = " + totalWeightsInRange);
}