Heizel's Study
1 • Heizel •- Salas Alvarez, Fabiola Susana - Umana Castro, Nayla Lucia
- Sequeira Cabrera, Bianca - Araya Mera, Marisa Raquel
- Sanchez Centeno, Lisandra Angeline - Umana Castro, Flor Mariana
- Jimenez Mata, Johana - Gonzalez Torres, Raquel Sofia
- Heizel
Heizel's Study
1 • Heizel •- Chapter 1
- Konstantin Nikolayevich Aseev - Nukhim N Rashkovsky
- Alexander Chernin - John van der Wiel
- Alexander Khalifman - Evgeni Ellinovich Sveshnikov
- Heizel
Capturing an unprotected piece / Defending by capturing the attacker
2 • Heizel •- Capturing an Unprotected Piece - 1
- Capturing an Unprotected Piece - 3
- Capturing an Unprotected Piece - 7
- Capturing an Unprotected Piece - 9
- Heizel
Evaluación de la partida
1 • Heizel •- Ventaja - Desventaja
- Desventaja - Ventaja
- Desventaja - Ventaja
- Ventaja - Desventaja
- Ssantii
- Heizel