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telegraph puzzle for 11/5/10

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storm_norm

Joined: 18 Oct 2007
Posts: 1741

Posted: Sat Nov 06, 2010 10:14 pm Post subject: telegraph puzzle for 11/5/10

Code:

+-------+-------+-------+
| . . . | . . 5 | 9 8 . |
| . 3 . | . . . | . . . |
| 9 . . | 1 . . | 2 . . |
+-------+-------+-------+
| . . 6 | . 2 . | 7 1 . |
| . 4 . | . . . | . 3 . |
| . 1 7 | . 4 . | . . . |
+-------+-------+-------+
| . . 9 | . . 6 | . . 7 |
| . 6 . | . . . | . 4 . |
| . . 1 | 5 . . | . . . |
+-------+-------+-------+

open in draw/play

tlanglet

Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills

Posted: Sun Nov 07, 2010 4:27 pm Post subject:

Here is a two step solution............

Quote:

AUR(38)r347c456 internal SIS r3c5=67,r3c6=47,r7c4=4; r9c2<>8=2
(6)r3c5-(6=7)r3c8-(7=8)r3c2;
||
(7)r3c5-(7=8)r3c2;
||
(4)r3c6-r1c4=r7c4-(4=8)r7c1;
||
(7)r3c6-(7=8)r3c2;
||
(4)r7c4-(4=8)r7c1;

(8)r2c4-(8=7)r2c6-(7=4)r9c6-(4=3)r7c4-(3=8)r4c4; r2c4<>8

Ted

keith

Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

Posted: Sun Nov 07, 2010 5:05 pm Post subject:

Another two-stepper. After basics:

Code:

+----------------+----------------+----------------+
| 16 27 24 | 234 367 5 | 9 8 13 |
| 16 3 258 | 28 9 78 | 4 67 15 |
| 9 78 458 | 1 3678 3478 | 2 67 35 |
+----------------+----------------+----------------+
| 5 9 6 | 38 2 38 | 7 1 4 |
| 28 4 28 | 7 5 1 | 6 3 9 |
| 3 1 7 | 6 4 9 | 8 5 2 |
+----------------+----------------+----------------+
| 48 5 9 | 348 38 6 | 1 2 7 |
| 27 6 3 | 9 1 27 | 5 4 8 |
| 2478 28 1 | 5 78 2478 | 3 9 6 |
+----------------+----------------+----------------+

XY-wing 2-78 takes out 7 in R1C5.

Code:

+-------------+-------------+-------------+
| 16 7 24 | 24 36 5 | 9 8 13 |
| 16 3 25 | 28 9 78 | 4 67 15 |
| 9 8 45 | 1 367 347 | 2 67 35 |
+-------------+-------------+-------------+
| 5 9 6 | 38 2 38 | 7 1 4 |
| 2 4 8 | 7 5 1 | 6 3 9 |
| 3 1 7 | 6 4 9 | 8 5 2 |
+-------------+-------------+-------------+
| 48 5 9 | 34 38 6 | 1 2 7 |
| 7 6 3 | 9 1 2 | 5 4 8 |
| 48 2 1 | 5 78 47 | 3 9 6 |
+-------------+-------------+-------------+

M-wing: 4 in R7C4 forces 4 in R3C6. R7C4 and R4C6 are pincers on 3; R4C4 is not 3.

Keith

Marty R.

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

Posted: Sun Nov 07, 2010 11:31 pm Post subject:

For those who habitually use excess moves: XY-Wing (287) W-Wing (78) X-Wing (8) BUG+2

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