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MatPlus.Net Forum General Annan fairy condition - pawns on 1st rank
 
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(1) Posted by Martynas Limontas [Friday, Aug 4, 2017 15:01]

Annan fairy condition - pawns on 1st rank


Can pawns move to the first rank? For example Nf3 and pf2 -> g1? If it is legal - what happens with ir later - does it just stay here occupying the square with no way to move forward?
 
(Read Only)pid=15774
(2) Posted by Torsten Linß [Friday, Aug 4, 2017 17:03]

White pawns on first rank and black pawns on 8th rank are immobile.
Pawns that get to their promotion rank by a non-pawn move promote.
See example below.

Torsten [Thanks for asking!]


Popeye Linux-3.19.8-100.fc20.x86_64-x86_64-64Bit v4.73 (1024 MB)


+---a---b---c---d---e---f---g---h---+
| |
8 . . . . . . . . 8
| |
7 . . . . . . . . 7
| |
6 . . . . -K . . . 6
| |
5 . . . . . . . K 5
| |
4 . . . . . . . . 4
| |
3 . . . . . . . . 3
| |
2 . . . . . . B . 2
| |
1 B . . . . . T . 1
| |
+---a---b---c---d---e---f---g---h---+
#1 4 + 1
Annanschach

1 (Tg1-b1 Zeit = 0.066 s)
2 (Tg1-c1 Zeit = 0.066 s)
3 (Tg1-d1 Zeit = 0.066 s)
4 (Tg1-e1 + Zeit = 0.066 s)
5 (Tg1-f1 Zeit = 0.066 s)
6 (Tg1-h1 Zeit = 0.066 s)
7 (g2-a2 Zeit = 0.066 s)
8 (g2-b2 Zeit = 0.066 s)
9 (g2-c2 Zeit = 0.066 s)
10 (g2-d2 Zeit = 0.066 s)
11 (g2-e2 Zeit = 0.066 s)
12 (g2-f2 Zeit = 0.066 s)
13 (g2-g8=D + Zeit = 0.066 s)
14 (g2-g8=S Zeit = 0.066 s)
15 (g2-g8=T Zeit = 0.066 s)
16 (g2-g8=L + Zeit = 0.066 s)
17 (g2-g7 Zeit = 0.066 s)
18 (g2-g6 Zeit = 0.066 s)
19 (g2-g5 Zeit = 0.066 s)
20 (g2-g4 Zeit = 0.066 s)
21 (g2-g3 Zeit = 0.066 s)
22 (g2-h2 Zeit = 0.066 s)
23 (Kh5-g4 Zeit = 0.066 s)
24 (Kh5-g6 Zeit = 0.066 s)
25 (Kh5-h4 Zeit = 0.066 s)
26 (Kh5-g5 Zeit = 0.066 s)
27 (Kh5-h6 Zeit = 0.066 s)

Loesung beendet. Zeit = 0.066 s
 
 
(Read Only)pid=15776
(3) Posted by Ganapathi Ramaswami [Sunday, Aug 6, 2017 17:55]

Can't understand the solution as it is not in English!
 
 
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(4) Posted by Martynas Limontas [Monday, Aug 7, 2017 17:00]

Thanks, so if a white pawn is lets say on g1 (immobile), then it doesn't attack f2 and h2. So, black king can move into these squares, right?
 
 
(Read Only)pid=15783

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MatPlus.Net Forum General Annan fairy condition - pawns on 1st rank