Daily puzzle 070207

What do you play with White? The solution will be published tomorrow.

Yesterday's solution: In Gligoric-Larsen, Lugano 1970 White should have played 19.Rh3 h6 20.Bxh6 gxh6 21.Rg3?Ǭ±. Instead, he went astray with 19.Nd4? Re8 20.a3? Bc5! -+.

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