For the end of the year, here is a random challenge to boggle your brains!

Given that:

White has their king, a queen, two rooks, a knight, and seven pawns

Black has their king and seven pawns


A legal position in which White forces Black to capture en passant 7 times, as in it's Black's only legal move, in at most 13 moves, if not fewer.

Have fun solving! I already have such a position, it is not impossible! You get bonus points for a sequence in less than 13 moves or proving that at least 13 moves are needed.


I think this does it:

[FEN "7Q/8/3R1R2/K5k1/ppppppp1/N7/1PPPPPPP/8 w - - 0 1"] enter image description here
1.h4+ gxh3 2.Rg6+ Kf5 3.g4+ fxg3 4.Qf8+ Ke5 5.f4+ exf3 6.Rde6+ Kd5 7.e4+ dxe3 8.Qd8+ Kc5 9.d4+ cxd3 10.Qb6+ Kd5 11.c4+ bxc3 12.Qd8+ Kc5 13.b4+ axb3


  • $\begingroup$ Perfect solution! This is exactly what I had, just the other way around. $\endgroup$ Jan 1 at 17:13
  • $\begingroup$ Great job on the king juggling! $\endgroup$
    – Bass
    Jan 1 at 17:15
  • $\begingroup$ @Bass thx, nice edit, too. What's that resource? $\endgroup$ Jan 1 at 17:16
  • $\begingroup$ Screenshot of chess.com analysis board. $\endgroup$
    – Bass
    Jan 1 at 17:18
  • $\begingroup$ @Bass like the set, reminds me of crazy Russian chess books. $\endgroup$ Jan 1 at 17:19

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