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Aug 7 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania

PostPosted: Sun Aug 06, 2017 9:49 pm    Post subject: Aug 7 VH Reply with quote

Code:

+------------+-------+-----------+
| 9  3   8   | 6 4 7 | 5  2  1   |
| 1  67  5   | 3 2 8 | 69 4  679 |
| 27 4   267 | 9 5 1 | 8  37 367 |
+------------+-------+-----------+
| 5  2   4   | 8 1 6 | 39 37 379 |
| 3  9   1   | 5 7 2 | 4  6  8   |
| 78 678 6-7  | 4 3 9 | 1  5  2  |
+------------+-------+-----------+
| 28 58  9   | 7 6 4 | 23 1  35  |
| 6  1   3   | 2 9 5 | 7  8  4   |
| 4  57  27  | 1 8 3 | 26 9  56  |
+------------+-------+-----------+

XY-Wing 28-7 pivoted in r7c1; r6c3 <>7; stte
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Sun Aug 06, 2017 10:13 pm    Post subject: Reply with quote

Hi everyone,

W-Wing 6,7 in r2c2, r6c3 connected by number 7 in r9c23 and -6 in r3c3, r6c2.

Ciao Gianni
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy

PostPosted: Sun Aug 06, 2017 10:17 pm    Post subject: Reply with quote

Hi everyone

[(7-6)R2C2)=(6)R6C2-(6)R6C3 and (7)R2C2-(7)R3C1=(7)R6C1-(7)R6C3]=>contradiction R6C3=Ø=>-7R2C2=>solution stte

Ciao a Tutti
Paolo
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Mon Aug 07, 2017 5:04 am    Post subject: Reply with quote

Couple of other options.

UR (37)r34c89, killers yield common outcome

XY-Wing (27-6), pivotr9c3 with transport
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