Home > Neutreeko > Puzzles > Hard 4001-4250
| 1. b1-b5, | 2. a2-d5, | 3. d4-a4, | 4. d2-a5, | 5. a4-e4, | 6. a1-a4, | 7. c5-e3 |
| 1. b1-b5, | 2. a2-d5, | 3. d4-a4, | 4. d2-a5, | 5. a4-e4, | 6. a1-e1, | 7. b5-e2 |
| 1. b1-b5, | 2. a2-d5, | 3. d4-a4, | 4. d2-a5, | 5. a4-e4, | 6. a1-e5, | 7. b5-e2 |
| 1. b1-b5, | 2. a2-d5, | 3. d4-a4, | 4. d2-a5, | 5. a4-e4, | 6. a1-e5, | 7. c5-e3 |
| 1. b1-b5, | 2. a2-d5, | 3. d4-a4, | 4. d2-a5, | 5. a4-e4, | 6. a5-a2, | 7. e4-a4 |
| 1. b1-b5, | 2. a2-d5, | 3. d4-a4, | 4. d2-a5, | 5. a4-e4, | 6. a5-a2, | 7. b5-e2 |
| 1. b1-b5, | 2. a2-d5, | 3. d4-a4, | 4. d2-a5, | 5. a4-e4, | 6. a5-e1, | 7. b5-e2 |
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| 1. d4-b2?, | 2. d2-c2 | (black wins in 13 moves) | ||||
| 1. d4-a4?, | 2. a2-a3 | (black wins in 13 moves) | ||||
| 1. d4-e4?, | 2. d2-d5 | (black wins in 17 moves) | ||||
| 1. d4-e4?, | 2. d2-e3 | (black wins in 17 moves) | ||||
| 1. d4-d3?, | 2. d2-b2 | (black wins in 21 moves) | ||||
| 1. d4-d5?, | 2. d2-b2 | (black wins in 31 moves) | ||||
| 1. c5-c1?, | 2. a1-c3 | (black wins in 37 moves) | ||||
| 1. d4-e3?, | 2. d2-b2 | (draw) | ||||
| 1. d4-e5?, | 2. d2-e3 | (black loses in 20 moves) | ||||
| 1. c5-a5?, | 2. d2-b4 | (black loses in 12 moves) | ||||
| 1. c5-a3?, | 2. a1-c3 | (black loses in 8 moves) | ||||