Two men had played chess regularly together for several years. They were quite evenly matched and there was keen rivalry between them. Then one man began to beat his rival nearly every time they played and the other man was completely at a loss to understand this phenomenon. On the contrary, he was expecting his game to improve because he was reading a four-volume set onÂ How to Play Chess! After much thought he came up with an idea. He sent the books to his friend as a giftÂ â€” and it was not long before they were evenly matched again!