Home > Neutreeko > Puzzles > Hard 4001-4250
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. c1-a1, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. c1-a3, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. c1-e1, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. c1-e3, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. a5-a1, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. d5-a2, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. d5-a2, | 7. c2-b2 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. d5-c5, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. d5-c5, | 7. c2-c4 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. d5-d1, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. d5-e4, | 7. c2-b1 |
| 1. b1-b5, | 2. c4-d5, | 3. d4-b4, | 4. a4-a5, | 5. c5-c2, | 6. d5-e5, | 7. c2-b1 |
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| 1. c5-a3?, | 2. a4-b4 | (black loses in 14 moves) | ||||
| 1. d4-d5?, | 2. c4-b4 | (black loses in 10 moves) | ||||
| 1. b1-a2?, | 2. c4-b4 | (black loses in 4 moves) | ||||