1. d5 !

Thematic try : 1. Kc4 ? Kc6 2. d5+ Kd7 3. Kb4 Bd4 !! (3...Bf2 ? 4. Kc4 ! Bf8 5. Kd3 Bf6

6. Ke4 +- see main line 2. Ke4) 4. c6+ Kd6 5. Kxa3 Bb6 6. Kf4 Kxd5 7. Kb5 Bc7 8. a4 Kd6

9. a5 Bb8 ! 10. a6 Ba7 ! =

1....Bf6

2. Ke4 Kd7 ! (2...Be7 ? 3. d6+ +-)

3. Kf5 Be7

4. c6+ !

Thematic try ; 4. d6 ? Bd8 ! (4...Bf8 ? 5. Kf6 ! +-) 5. Kg6 Kc6 6. Kxh6 Kxc5 7. d7 Kc6(d6)

8. Rxh4 gxh4 9. g5 Kxd7 =

4....Kd6

5. Kg6 Bd8 (5...Bf8 ? 6. Kf7 ! +-)

6. Kxh6 Kxd5

7. c7 ! Bxc7

8. Kxg5 +-