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Chess problems consist of a board position and a task. Most ask for a line of play that mates black in a set amount of moves, or a combination that results in a winning position. Many other types exist, including, but not limited to, construction tasks for various positions and proof games that have numerous goals, selfmates, helpmates, and retrograde analysis. Tournaments and championships exist for composing of original problems and for speed-solving.

1 vote
1 answer
149 views

Another good chess problem

[Title "The Chess Monthly, 11/1860, Helpmate In 3 Moves (Version)"] [FEN "6R1/7q/8/5k2/3K1B2/8/8/8 b - - 0 1"] [startflipped ""] Now, in this chess problem by Samuel Loyd, both sides work together f …
dr.vlad lup's user avatar
2 votes
1 answer
78 views

Help needed with a problem

On an empty board, how can you place a White king, two White, rooks, and a Black king so that White can give mate in 4 ways from that position?
dr.vlad lup's user avatar
5 votes
1 answer
262 views

Can you help me with this serieshelpmate problem?

I found a different kind of problem, a serieshelpmate. I'm trying to get better by thinking outside of the box and solving different types of puzzles. So I found this one but I'm kind of stuck. [FEN " …
dr.vlad lup's user avatar
3 votes
1 answer
376 views

Retrograde analysis problem

Given that this position is legal, and could be reached in a legal game of chess, what were the two last half-movess, or one move for White and one for Black? [FEN "5K2/8/6Pk/8/5Q1R/8/8/8 w - - 0 1"] …
dr.vlad lup's user avatar
6 votes
1 answer
515 views

Brainteaser puzzle

So... initial position is [FEN "7k/8/6KB/8/p7/8/Q7/8 w - - 0 1"] Now... Neither white's king nor queen has moved in the previous five moves. In addition, no pieces have been captured by either side. …
dr.vlad lup's user avatar
10 votes
1 answer
2k views

Is there more than 1 solution?

In this selfmate puzzle is there more than one solution? I think I found one but I was curious to know if there is more than one. 4N2k/5P2/3p1rP1/2pP4/2p1K1R1/2B1P1N1/6Pp/8 w - - 0 0 Credit: J. C. J. …
dr.vlad lup's user avatar
5 votes
1 answer
725 views

Do you know this proof game?

I'm not familiar with this proof game. [FEN "r2qk1nr/ppp1pp1p/2n1p2p/8/8/1P6/NPPPPPPP/R3K2R w KQkq - 0 1"] What square was the white queen captured and how?
dr.vlad lup's user avatar
4 votes
2 answers
701 views

Where does the black king stand in this specific position?

[FEN "7r/pppppKpP/6P1/8/8/8/n7/8 w - - 0 1"] Assume that the following position was reached in a legal game of chess. In the last 5 moves, no pawn has moved and no pieces were captured. The Black kin …
dr.vlad lup's user avatar
9 votes
1 answer
211 views

Selfmate problem

[FEN "8/7P/8/p2p4/P2p4/pB1p4/3P4/k2K4 w - - 0 1"] Composed by IM Geir Sune Tallaksen. White moves first, and must force Black to deliver checkmate. Give the sequence of moves that force Black to mate …
dr.vlad lup's user avatar
4 votes
1 answer
88 views

Coordinates probem

[FEN "8/8/8/8/8/4R3/2N2R2/3N1k1K w - - 0 1"] Given that this position could be reached in a legal game of chess, and that no piece was captured on the last move, are we seeing the board from White's …
dr.vlad lup's user avatar
9 votes
1 answer
675 views

Find color of the pieces

Given the following position, what colour are the pieces and what was the last move played? [FEN "B1KRN3/PP6/2QK1R2/8/8/8/8/8 w - - 0 1"]
dr.vlad lup's user avatar