Calculation Mastermind - Diamond Package

In his new Calculation Mastermind course, Mat has drawn on decades of chess ideas to teach you the QUICKEST and most EFFECTIVE methods for finding strong moves in any position.

What You Get?

Contact Information

Fields marked with * are mandatory

[[coupon_message.text]] [[cart_coupon.text]]

Payment Information

Fields marked with * are mandatory

Yes, Add The Art of Defense - Special Offer

Get The Art of Defense and learn the 6 most effective defensive techniques that can stop even the titled players 50% off for just $17! Turn your opponent’s “devastating attack” into a “minor pressure”.

[[cardNumberError]]
[[cardExpiryError]]
[[cardCvcError]]
[[postalCodeError]]

Order Summary

[[invoiceItem.description]]
[[subscriptionsByProductId[invoiceItem.product_id].plan_description]]
REMOVE
[[invoiceItem.quantity]] x [[invoiceItem.unit_price | currency]]
Subtotal:
[[checkoutContext.order.invoice.subtotal | currency]]
Tax:
[[checkoutContext.order.invoice.tax | currency]]
Shipping:
[[checkoutContext.order.invoice.shipping | currency]]
Discounts:
-[[checkoutContext.order.invoice.discount | currency]]
Total:
[[checkoutContext.order.invoice.total | currency]]

What You Get?

30 Day
Money Back
Guarantee

If you're not completely satisfied, get your money back within 30 days.

TheChessWorld
Protects Your
Privacy

We will not share or trade online information that you provide us.

Your
Information
is Secure

All personal information is encrypted and secure.