Alapin's Opening Traps
12 • Jayr-Olfindo101 •- Chapter 1 Alapin's Opening Trap (Manko-Jankowitz, Postall 1900
- Chapter 2 Alapin's Opening Trap-Unknown-Canal Simultaneous Exhibition 1935
- Chapter 3 Alapin's Opening Trap- Seibut-Luetz, St. Petersburg 1902
- Jayr-Olfindo101