Problems and studies

Nimzowitsch, Aron
Mate in 4 moves
Rigasche Rundshau 1915

1. Nf5 exf5
   1... d5 2. Nd4 h2 3. Rxh2 (and mate next move)
   1... h2 2. Nd6 h1=Q 3. Rxh1 (and mate next move)
   1... d6 2. Nxd6 h2 3. Rxh2 ( and mate next move)
2. Rf6 Bg6
   2... Kg7 3. Rc6+ (and mate next move)
3. Rf8+ Kh7 4. Rh8+
   Skakbladet 4154.
1-0

Nimzowitsch, Aron
Mate i 3 moves
Rigasche Rundshau 1916

1. f4 g4
1... gxf4 2. gxf4 Ng4 3. Nf7#
2. f7 Nxf7 3. Nxf7+
Skakbladet 4156
1-0

Nimzowitsch, Aron
Mate in 3 moves
Baltische Zeitung 1918

1. Rb8 Qxb8
   1... f5 2. Rxd8+ Kf7 3. Qe7#
   1... Ra8 2. Qf8+ Qxf8 3. Ne7#
2. Ne7+ Kf8 3. Rh8+
   Skakbladet 4163
1-0

Nimzowitsch, Aron
Mate in 3 moves
Baltische Zeitung 1918

1. Rg6+ Kxg6
   1... Nxg6 2. Qxf7+ Kxf7 (2... Rxf7 3. Ne6#) 3. Rh7#
   1... fxg6 2. Qf7+ Kxf7 (2... Rxf7 3. Ne6#) 3. Rh7#
2. Qg2+ Kf5 3. Rh5+
   Skakbladet 4164
1-0

Nimzowitsch, Aron
Mate in 3 moves
Deutsche Schachzeitung 1918

1. Rhh1 Ng1 2. Rh2 Nf3
2... Nh3+ 3. gxh3#
3. gxf3+
Skakbladet 4157
1-0

Nimzowitsch, Aron
White wins
Deutsche Schachzeitung Juni 1918

1. Ra7 Re8
1... Rh7 2. dxe6
2. d7 Re7 3. d6 Rxd7 4. Ra8+
Skakbladet 4158
1-0

Nimzowitsch, Aron
Mate in 4 moves
Rheinische Volkswacht 1922

1. Bh3 Qg1
   1... Qf2 2. Be6+ Ke4 3. Bc4+ Kf3 4. Bd5#
2. Be3 Bxe3
   2... Qg4 3. Nxg4 Bxe3 4. Nxe3#
   2... Qxe3 3. Bg2+ Qf3 4. Bxf3#
   2... Qf1 3. Bxf1 Bxe3 4. Bg2#
3. Bc8 Bxh6 4. Bxb7+
   Skakbladet 4155
1-0

Nimzowitsch, Aron
White draws
Rigaer Tageblatt 1923

1. Ke6+ Kxb8
   1... Ka8 2. Nc6 (and White wins)
   1... Kb6 2. Rg1 Ne1 3. Rg4 d1=Q (3... Kc5 4. Nd7+ Kb5 5. Rd4) (3... Nc2 4. Rg1 Ne3 5. Kxf6) 4. Rb4+ ( and draw by perpetual check)
2. Rg1 Ne1 3. Rg8+ Kc7 4. Rg7+ Kc6 5. Rd7
    Skakbladet 4159
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