Home > Neutreeko > Puzzles > Hard 4001-4250
| 1. c1-e3, | 2. c3-c5, | 3. d4-e5, | 4. c5-d4, | 5. e3-c3, | 6. b3-d5, | 7. e5-e1 |
| 1. c1-e3, | 2. c3-c5, | 3. d4-e5, | 4. c5-d4, | 5. e3-c3, | 6. a4-a5, | 7. e5-e1 |
| 1. c1-e3, | 2. c3-c5, | 3. d4-e5, | 4. c5-d4, | 5. e3-c3, | 6. a4-b5, | 7. e5-e1 |
| 1. c1-e3, | 2. c3-c5, | 3. d4-e5, | 4. c5-d4, | 5. e3-c3, | 6. d4-c5, | 7. e5-e1 |
| 1. c1-e3, | 2. c3-c5, | 3. d4-e5, | 4. c5-d4, | 5. e3-c3, | 6. d4-d5, | 7. b4-e4 |
| 1. c1-e3, | 2. c3-c5, | 3. d4-e5, | 4. c5-d4, | 5. e3-c3, | 6. d4-d5, | 7. e5-e1 |
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| 1. c1-c2?, | 2. b3-a2 | (draw) | ||||
| 1. c1-a3?, | 2. c3-c5 | (black loses in 38 moves) | ||||
| 1. c1-a1?, | 2. b3-a2 | (black loses in 8 moves) | ||||
| 1. c1-e1?, | 2. b3-d5 | (black loses in 4 moves) | ||||
| 1. c1-e1?, | 2. c3-c1 | (black loses in 4 moves) | ||||