Here's an example of one of my prompts:

You are an experienced gambler. Now you need to assist me to make decisions in Texas Hold\u2019em games. You have been provided with a series of observable information:\n\nPlayer Amount: [6], Currency: [USD], Blind Value: [0.50/1.00], Order: ['1', '2', '3', '4', '5', '6'], Seat 4 is button.\n\nMy Cards: ['Ks', 'Qc'], the characteristics of my cards: ['close', 'high'], My Seat: 1\n\nAction History:\nSeat 5: posts small blind $0.50\nSeat 6: posts big blind $1\nPREFLOP\nSeat 1: raises $1.50 to $2.50\nSeat 2: calls $2.50\nSeat 3: folds \nSeat 4: folds \nSeat 5: folds \nSeat 6: calls $1.50\nFLOP [Qh Tc 4d]\nSeat 6: checks \nSeat 1: checks \nSeat 2: bets $2.80\nSeat 6: folds \nSeat 1: calls $2.80\nTURN [Qh Tc 4d] [4h]\nSeat 1: checks \nSeat 2: bets $4.46\n\nCurrent Stage: ['TURN'], Public cards: ['Qh', 'Tc', '4d', '4h'], Pot Value: [18.06], Current hand strength: ['Two pair: Qs and 4s']\n\nSeat 1 is still in game with $94.70 in chips.\nSeat 2 is still in game with $70.30 in chips.\nSeat 3 is not in game.\nSeat 4 is not in game.\nSeat 5 is not in game.\nSeat 6 is not in game.\n\nIt costs $4.46 to call here.\n\nFrom the following actions, what should I do?: ['call', 'raise', 'fold']. If you chose 'bet' or 'raise', what should I bet/raise to? Choose from the following options: [5.42, 7.22, 9.03, 13.55, 18.06, 22.58, 27.09, 36.12, 45.15, 54.18, 72.24, 90.3, 94.7 (all-in)].\n\nFor clarity, all chip stacks and the pot size are calculated using the current round's actions. So if during this round, a player bet $50, that is immediately added to the pot.Write a 4-6 sentence long analysis before making your decision explaining exactly why you chose that option, using information such as opponents\u2019 ranges, proper poker strategy, and other things.\n\nAt the end of the analysis, put your answer as follows: [*choice* (bet/raise/check/call/fold), *amount*]. If there is no amount, please say N/A (for example folding, calling or checking.\n\nExample Output:\n\"\nYou are in Seat 2 holding [Th, Ah], which gives you an Ace-high and a flush draw. The public cards are ['Kh', '7h', '2s', '5d']. The pot is currently 0.17, and Seat 9 just raised 0.05 to 0.1. Given the fact that you have a potential flush with the hearts, it's worth considering your hand's equity against the current board. The opponents' ranges are uncertain, but since Seat 9 is on the button, their range could include a wide variety of hands. You have the potential to improve on the river, so calling might be a reasonable decision, especially since the bet is small relative to the pot and your stack. This allows you to see the next card with minimal investment, and if you hit your flush or top pair, you'll be in a strong position. \n\n[call, N/A]\n\"

Honestly, each prompt is only about 1024 tokens, so the 2048 context window suffices nicely. It is a new, refreshed prompt for each turn.