Double-board equity calculator

Two to six players. Enter every hole card: 2 for Hold'em or short deck; 4, 5 or 6 for the matching Omaha game. Cards: As Kh Td 2c. Duplicate cards are rejected.

All legal runouts are enumerated up to 15,000 boards. Larger jobs use a repeatable simulation. Omaha always uses exactly two hole cards plus three board cards. Short deck uses 6 to ace; A6789 is its lowest straight, and trips remain below a straight. Other short-deck house rules are not supported.

Both boards share one physical deck and receive half the pot. For run it twice, repeat the already shared cards in the same order at the beginning of both boards. All other cards must be unique. Remaining cards are dealt without replacement across both boards.