White to move wins: •
1. Nd6 Rg8 •
2. Re1 Rf8 •
3. Nb7+ Kc8 •
4. Rb1 Rf3 •
5. Nd6+ Kd8 •
6. Rb8+ Ke7 •
7. Re8+ Kf6 •
8. Rf8+ wins the rook by a
skewer after 8...Kf6 9. Rf8+. Black to move
draws by
1...Rg1, with the idea of checking from the first
rank . Centurini was also the primary analyst of the endgame of a bishop and pawn versus a bishop on the same color . He established rules for when the position is won and when it is a draw . The position in the second diagram shows a winning position for White, although it requires accurate play . ==References==