Home > Neutreeko > Puzzles > Hard 4001-4250
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. a2-a1, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. a2-b1, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. a2-e2, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. a2-b3, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. b5-a5, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. b5-b1, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. b5-b1, | 7. c4-b5 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. b5-b1, | 7. c5-b4 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. b5-b1, | 7. c5-a5 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. d5-d1, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. d5-d1, | 7. c5-b4 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. d5-e4, | 7. a3-c1 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. d5-e4, | 7. c4-d4 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. d5-e4, | 7. c5-b4 |
| 1. b1-b5, | 2. d2-d5, | 3. b5-a5, | 4. a4-b5, | 5. a5-a3, | 6. d5-e5, | 7. a3-c1 |
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| 1. c4-d5?, | 2. d2-b2 | (black loses in 18 moves) | ||||
| 1. c5-a3?, | 2. a4-d1 | (black loses in 14 moves) | ||||
| 1. c4-b4?, | 2. d2-b2 | (black loses in 6 moves) | ||||