warning: spoiler
Looks like you should place black knight somewhere they can only reach in an odd number of moves, while white knight should be checking the black’s king. Since black should have responded to a check they could not have moved their knight after the check.
level 13 is possible
1. Nf3 Nf6 2. Ne5 Ng4 3. Ng6 Ne5 4. Nxh8 Ng6 5. Nxg6 Nc6 6. Nf4 Nb8 7. Nh3 Nc6 8. Nc3 Na5 9. Nd5 Nc6 10. Nb6 Nb4 11. Nxa8 Nc6 12. Nb6 Nb4 13. Ng1 Nd5 14. Nc4 Nc3 15. Na3 Nb1 16. Nxb1
For the 3 pawn one you can't have 3 pawns on a edge because the only other pawn that can get to there is the pawn next to it
because of the change in contrast, when the bottom row is RED'ed out, the White King looks like he's on a white square, which then makes the square next to him look black...
All solutions in caesar cipher 1:
1) Qmbdf ljoh bozxifsf
2) Qbxo b1
3) Qbxo i8
4) Cjtipq h2
5) Qbxo f2 boe h2
6) 2 rvffot
7) Ipstf e6 boe g6
8) Upxfs b6 boe d6
9) Xijuf ipstf e6 boe cmbdl ipstf c5
10) Upxfs i3
11) Upxfs h8 boe cjtipq i7
12) Xijuf qbxot po b2, b3, c2
13) Dpwfs cmbdlt ipstft boe upxfst
Le niveau 7 est beaucoup trop dur, toutes les positions sont possible, oû que l'on mette une tour ou un pion...
There is a bug: It says that two pawns on the same column are possible. The only way for that to be done is for capture or en passant
I think that, if it's possible for two pawns to be on the same column, then it's possible & not a bug
It's bc first, you develop your knight to c3. the only move for black without moving pawns is to develop their knight. Then you put your knight in e4, only black move : knight anywhere. Then you check black in e6. Black is forced to take the knight, but they can't move their knight back.
Well, the two knights could have danced around for a bit before putting black in check. But crucially each knight changes the colour of its square with every move. If white's knight is on black and black's knight is on white, then they've each made the same number of moves, which means black moved last, which means black moved while in check and was still in check at the end of their turn which is impossible.
Avec les 2 tours? C'est simple: C'est au tour de blanc, donc noir doit avoir joué le dernier tour, cela dit, il n'a pu bouger qu'une seule pièce. Utilise tes tours pour que cette pièce n'a pas pu bouger non plus.
C'est pour écrire en "code", en décalant de 13 rangs dans l'alphabet chaque lettre.
C'est pour ça que certains messages semble ne rien vouloir dire: faut les décrypter en redécalant de 13 rangs les lettres :)
Il y a des outils en ligne pour faire ça automatiquement, cherche "outil décalage alphabet" sur google et tu trouveras ça (ou directement "rot13") ! ;D
Techniquement pour le niveau 12 ça n'est pas possible car les pion peuvent etre placé n'importe ou sans que cela soit impossblie si? Je comprend paaaaaas
This is such a cool concept and great execution with how it teaches the ideas gradually. Though I do wish there were more puzzles! I feel there are lots of things to explore with this concept!
Here is an example puzzle I came up with, but it's a bit of a twist on the concept: you need to place one piece/pawn of any color (not on the red squares) in order to make the position possible (rather than impossible). This one is a pretty difficult puzzle. (Also please ignore the terrible editing haha.)
I think I've got it : you have to place a white pawn on c6. Last move by white was bxc6 en passant (great idea to implement this weird rule in a puzzle btw).
In level 10, how is B6k/6B1/8/8/8/4K3/8/Q6/B possible? Black is in check, so white has just moved, there is a single check, so white has just moved the bishop. Undoing any possible move leads to a check on the king, so Black has moved into that check or ignored it illegally.
It is possible if white last move was to capture a piece on g7. Let us say a black pawn.
Before the white bishop moved to g7 capturing the pawn, that pawn shielded the king from the white queen.
Bu, qvq gurl cngpu vg ntnva? V guvax urer lbh unir gb guvax ertneqvat gur ovfubc. Ubj pna n ovfubc trg bhg bs vgf fgnegvat fdhner?
What possible previous two moves could there be such that this level 10 board state could possibly be legal?
I think I see it now, if there was a black rook on d4 then the moves: Kh8, Bxd4+
Would render the position legal
clever puzzles! some were too clever for me and i got some of them by accident but figuring out how a position was impossible was fun
hint
How could the bishop have moved the bottom left corner? Is there a way to make it impossible for the bishop to have moved there?
Could someone explain me one thing please (a screenshot and possible spoilers ahead):
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Why is this possible? You cannot do a mate twice, nor you can move Black King to that upper right corner if the corner is being guarded by either Queen or Rook. I beat the level nevertheless, but I still don't understand why my solution is wrong.
Anyone know how to do level 8?
Bayl jnl V frr lbh pna znxr vg vzcbffvoyr vf ol univat oynpx va purpx, ohg V pna'g frr ubj lbh pna qb gung jvgubhg gur xavtug.
Yes that needs to be rot13, I'm not letting anyone be spoiled.