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The price of Chiron 4 for Windows is 24.95 €19.96
You can pay it with PayPal

You will receive your copy of Chiron and a promo code to get the Android version for free by mail within 24 hours of purchase. If after 24 hours you haven’t received it yet, first check your spam folder and then write to

Chiron 4 is also available for Android

Chiron 4 Chess Engine
Chiron 4 Chess Engine
Price: 2,89 €