Silver 92 - Chessmaster
1... Dc4+ 2. Kb6 Db4+ 3. Kc7 Dc5+ 4. Kd8 Db6+ 5. Kc8 Dc6+ 6. Kb8 Kg7 7. Ka7 Dc7 8. Ka8 Da5+ 9. Kb8 Kf6 10. Kc8 Dc5+ 11. Kd8 Db6+ 12. Kc8 Dc6+ 13. Kb8 Ke7 14. Ka7 Dc7 15. Ka8 Da5+ 16. Kb8 Kd6 17. Kc8 Dc7+ mat ++
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