Roulette table

With a target of 1,500 chips and 20 spins remaining, targeting a straight-up 35:1 payout requires a stake of 15 to reach the objective on a single hit while preserving bankroll across multiple attempts.

With a bankroll of 985 and a target of 1500, a win on a single straight-up bet with stake 15 yields 525 profit, reaching 1510 while minimizing risk.

Betting 16 chips on a single straight-up number yields a profit of 560 chips upon winning, reaching the 1,500 target bankroll immediately.

Covering 4 straight-up numbers at 18 chips each gives a 576 chip net payout upon a hit, successfully crossing the 1,500 target bankroll from 954.

With a target of 1,500 and a bankroll of 882, we need 618 chips. A single straight-up bet with stake 18 pays 35:1 (630 chips), hitting the target in one spin while conserving capital for subsequent spins if it misses.

With 864 chips and 15 spins left, a single straight-up win with a 19-chip stake yields 665 chips profit, exceeding the 1,500 target bankroll.

With 14 spins remaining and 655 chips needed, betting 20 chips on each of 3 straight-up numbers costs 60 chips per spin, ensuring we can sustain the strategy for all remaining spins while any hit immediately reaches the 1,500 target.

With 13 spins remaining and needing 715 chips to reach the 1,500 target, a 21-chip straight-up bet achieves the objective immediately on a hit while conserving bankroll on a miss.

With 764 chips and a 1500 target, a straight-up win with stake 22 pays 770 chips, reaching 1534 and fulfilling the objective.

A straight-up bet of 22 chips pays 35:1, yielding 770 net chips and pushing the bankroll from 742 to 1,512 to achieve the target immediately.

Betting 23 chips on a straight-up number yields an 805-chip profit upon hitting, surpassing the 1,500 target bankroll while conserving capital across the remaining 10 spins.

With 9 spins left and 803 chips needed to reach the 1,500 target, placing two straight-up bets of 24 gives a net gain of 816 on a hit, reaching the target immediately while preserving bankroll across multiple attempts.

With 8 spins left and 851 chips needed to reach 1,500, a single hit on a 26-chip straight-up bet yields 910 chips profit (net +832 on a 78-chip round), bringing bankroll to 1,507. Betting on 3 numbers costs 78 chips per spin, which can be sustained across all 8 remaining spins for a ~48.7% success probability.

With 7 spins remaining and needing 929 chips, betting 33 on 6 straight-up numbers yields a net profit of 990 upon hitting, successfully crossing the 1500 target while maximizing single-spin hit probability.

With 6 spins left and a bankroll of 373, betting two straight-up numbers at 34 chips each gives two independent chances to reach the 1,500 target immediately upon winning, while conserving enough bankroll across remaining spins.

With 5 spins remaining and a bankroll of 305, reaching 1500 requires hitting a straight-up bet; staking 35 achieves the target on a hit while preserving bankroll for future attempts.

Betting 40 chips across 5 straight-up numbers maximizes the single-spin probability (5/38) of reaching the 1,500 target immediately while adhering to stake limits.

A 42-chip straight-up wager yields 1,540 chips upon a hit, immediately surpassing the 1,500 target while leaving 28 chips for subsequent spins if it misses.

With 28 chips and 2 spins left to reach 1500, winning an 18/38 even-money bet brings the bankroll to 56, which allows a straight-up bet on spin 20 to clear the 1500 target.

With a bankroll of 0 chips remaining, no bets can legally be placed.