[Event "Chicago Tribune"]
[Site "pg053 no070"]
[Date "1901.??.??"]
[Round "?"]
[White "Lasker:Reichhelm"]
[Black "+ study"]
[Result "1-0"]
[SetUp "1"]
[FEN "8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - 0 1"]

{If black to move 1...Kb7!! 2.Kb1 Ka7!! zugzwang 
(3. Kb2 Ka8!) (3. Kc1 Kb7) (3. Kc2 Kb8)} 
1. Kb1 $1 
  (
  1. Kb2 $2 {corrections in Whitaker / Hartleb (1960)} 
  2... Kb7 
    (
    2... Ka8 $11 {is correct}
    )
  2. Kc3 Kc7 3. Kc4 
    (
    3. Kd3 {is correct - see 6.Kd3 in main line}
    )
  3... Kb6 4. Kd3 Kc7 5. Ke3 Kd7 6. Kf3 Ke7 7. Kg3 Kf6 8. Kh4 Kg6 $11 {Fine} 
  ) 
1... Kb7 2. Kc1 Kc7 3. Kd1 Kd7 
  (
  3... Kc8 4. Kd2 Kd7 5. Kc3 Kc7 6. Kd3 $18
  ) 
4. Kc2 Kd8 5. Kc3 Kc7 6. Kd3 $18 {bK without opposition} 
6... Kd7 7. Kc4 
1-0

