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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 1019
Location: Rimini, Italy
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 Posted: Fri Sep 01, 2017 10:15 pm Post subject: Sep 2 VH |
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Hi everyone,
| Code: |
+--------+------------+------------+
| 2 9 7 | 45 8 56 | 46 1 3 |
| 5 4 8 | 1 3 69 | 7 26 29 |
| 6 1 3 | 49 7 2 | 49 8 5 |
+--------+------------+------------+
| 7 68 5 | 39 149 189 | 69 236 249 |
| 3 2 1 | 6 49 7 | 8 5 49 |
| 9 68 4 | 35 2 58 | 1 36 7 |
+--------+------------+------------+
| 4 5 2 | 8 19 19 | 3 7 6 |
| 8 3 6 | 7 5 4 | 2 9 1 |
| 1 7 9 | 2 6 3 | 5 4 8 |
+--------+------------+------------+
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Play this puzzle online at the Daily Sudoku site
| Quote: | | XY-Wing 3,6,9 in r4c47, r6c8 and -3 in r4c8, r6c4 |
Ciao Gianni |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Fri Sep 01, 2017 10:25 pm Post subject: |
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Hi everyone
[(6)R4C2-(6)R4C7=(6)R1C7-(6=5)R1C6 and (6)R4C2-(6=8)R6C2-(8=5)R6C6]=>contradiction two singles 5 in column 6=>-6R4C2=>solution stte.
Ciao a Tutti
Paolo |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Sep 02, 2017 5:01 am Post subject: |
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| The 58-6 XY-Wing pivoted in r6c6 doesn't make any direct eliminations, but a pincer transport => -6r4c2. |
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