Home > Neutreeko > Puzzles > Hard 4001-4250
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-b4, | 5. a3-e3, | 6. b4-c5, | 7. d4-e4 |
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-a5?, | 5. a3-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-a5?, | 5. a3-e3 | ||
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-a5?, | 5. c4-a2 | ||
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-a5?, | 5. c4-c5 | ||
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-e5?, | 5. a3-e3 | ||
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-e5?, | 5. c4-a2 | ||
| 1. c1-a3, | 2. c3-c5, | 3. b4-c4, | 4. c5-e5?, | 5. c4-c5 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a2, | 5. a3-e3, | 6. c5-a5, | 7. e3-a3 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a2, | 5. a3-e3, | 6. c5-a5, | 7. c4-e2 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a2, | 5. a3-e3, | 6. c5-d4, | 7. c4-c5 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a2, | 5. a3-e3, | 6. c5-e5, | 7. e3-a3 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a2, | 5. a3-e3, | 6. c5-e5, | 7. e3-e4 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a2, | 5. a3-e3, | 6. c5-e5, | 7. c4-c5 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a2, | 5. a3-e3, | 6. c5-e5, | 7. c4-e2 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-b3, | 5. c4-c3, | 6. b3-a4, | 7. a3-b3 |
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-a1?, | 5. b4-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. b1-e1?, | 5. b4-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-a2?, | 5. b4-b2 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-a4?, | 5. b4-b2 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-c1?, | 5. b4-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-c1?, | 5. c4-a2 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-c3?, | 5. a3-b3 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-c3?, | 5. b4-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-c3?, | 5. c4-a2 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-d1?, | 5. b4-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-e2?, | 5. b4-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-e2?, | 5. c4-a2 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-e4?, | 5. b4-a4 | ||
| 1. c1-a3, | 2. c3-c5, | 3. d4-c4, | 4. c2-e4?, | 5. c4-a2 | ||
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| 1. b4-c4?, | 2. c3-a3 | (black wins in 25 moves) | ||||
| 1. b4-c5?, | 2. c3-e3 | (black wins in 35 moves) | ||||
| 1. b4-a3?, | 2. c3-b3 | (black wins in 37 moves) | ||||
| 1. b4-b2?, | 2. c3-a3 | (draw) | ||||
| 1. d4-c4?, | 2. c3-a3 | (draw) | ||||
| 1. d4-d1?, | 2. b1-b3 | (draw) | ||||
| 1. d4-d5?, | 2. b1-a2 | (black loses in 14 moves) | ||||
| 1. d4-c5?, | 2. c3-a3 | (black loses in 8 moves) | ||||
| 1. b4-a4?, | 2. c2-b3 | (black loses in 6 moves) | ||||
| 1. b4-a5?, | 2. c3-b4 | (black loses in 6 moves) | ||||
| 1. b4-b5?, | 2. b1-b4 | (black loses in 6 moves) | ||||
| 1. d4-e5?, | 2. c3-d4 | (black loses in 4 moves) | ||||