Studio - L.I.Kubbel
*/150 etjudov (-) 1925
1. Ne3+ Kg3 2. Qg4+ Kf2 3. Qf4+ Ke2 4. Qf1+ Kd2 5. Qd1+ Kc3 6. Qc2+ Kb4 7. Qb2+ Nb3 8. Qa3+ Kxa3 9. Nc2+
White mates
1-0