If the knight moves then is it possible to give check mate? I have already given one check. I was playing a game of "3 check". How can I get two more checks? Is it not possible?

3 check is a mode in chess where you have to give 3 checks. Here in this game I gave one check before. At move 16 the black side made a mistake. Would it have been possible to give two more checks if the black side hadn't made that mistake? Black also has two checks left.


[FEN ""]
[Event "Live Chess - Three-Check"]
[Site "Chess.com"]
[Date "2018.08.19"]
[White "RuhanUR"]
[Black "PAM_Andrei"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1060"]
[BlackElo "794"]
[TimeControl "300"]
[EndTime "8:26:19 PDT"]
[Termination "RuhanUR won by checking the opponent king for the 3rd time"]
[Variant "Three-Check"]
[CurrentPosition "r2q1r1k/pp2b2Q/8/2p1p3/6bP/1P4Pn/P1P2P2/R1B2R1K b - - 0 21 +3+1"]

1.Nc3 {[%clk 0:04:56]} e6 {[%clk 0:04:57]} 2.Ne4 {[%clk 0:04:44]} c5 {[%clk 0:04:54]} 3.Nd6+ {[%clk 0:04:43]} Bxd6 {[%clk 0:04:51]} 4.g3 {[%clk 0:04:35]} Nc6 {[%clk 0:04:46]} 5.Bh3 {[%clk 0:04:34]} Nf6 {[%clk 0:04:43]} 6.d3 {[%clk 0:04:18]} O-O {[%clk 0:04:41]} 7.Nf3 {[%clk 0:04:01]} e5 {[%clk 0:04:26]} 8.Bf5 {[%clk 0:03:51]} g6 {[%clk 0:04:22]} 9.Bxg6 {[%clk 0:03:26]} fxg6 {[%clk 0:04:18]} 10.Ng5 {[%clk 0:03:18]} Nd4 {[%clk 0:04:05]} 11.O-O {[%clk 0:02:56]} Be7 {[%clk 0:03:59]} 12.e3 {[%clk 0:02:51]} Ne6 {[%clk 0:03:54]} 13.Nxh7 {[%clk 0:02:49]} Nxh7 {[%clk 0:03:51]} 14.e4 {[%clk 0:02:38]} Neg5 {[%clk 0:03:47]} 15.b3 {[%clk 0:02:16]} d5 {[%clk 0:03:45]} 16.h4 {[%clk 0:01:56]} Nh3+ {[%clk 0:03:31]} 17.Kg2 {[%clk 0:01:38]} dxe4 {[%clk 0:03:29]} 18.Kh1 {[%clk 0:01:08]} exd3 {[%clk 0:03:24]} 19.Qxd3 {[%clk 0:01:04]} Bg4 {[%clk 0:03:06]} 20.Qxg6+ {[%clk 0:00:54]} Kh8 {[%clk 0:03:00]} 21.Qxh7+ {[%clk 0:00:47]}  1-0

Go to move 16. What if my opponent hadn't made a mistake, then how could I have won?

  • I don't see here any win for White. 21. ... Kxh7 leaves white without any material to play with... – lenik Aug 19 '18 at 16:49
  • 5
    It's not standard chess - it's a variant called three check where I assume, from the name, giving three checks is enough to win the game. – Ian Bush Aug 19 '18 at 17:05
  • 2
    17. ... Rf2+ apparently wins for Black, although I am not familiar with the details of this particular game. – user58697 Aug 19 '18 at 22:11
  • It's three checks where you give 3 checks . I gave one , at that horse part if black didn't make the mistake is it possible to give 2 more checks – RuhanUR Aug 20 '18 at 14:03
  • Which is the "mistake" your opponent makes? – Tommiie Dec 31 '18 at 12:02

Black's decisive mistake was 19...Bg4, up to there he was winning. You can analyze three-check chess games online on lichess, or using multi-variant Stockfish offline with a GUI supporting chess variants (e.g., WinBoard/XBoard, PyChess, CuteChess, etc.).

I imported your game to lichess and triggered the automatic analysis, see https://lichess.org/uUVDe8ei#38.

  • I think that means if black didn't make that mistake I would lose . There is no way of blocking it . – RuhanUR Aug 21 '18 at 8:24
  • Yes, if black had played 19...Nxf2+ instead of 19...Bg4, the third check could not be avoided. If white plays 19.Rxf2 or Kg2, then 20...Qd5+ wins, and if Kg1 or Kh2, then Nh3+ and Ng4+ win, respectively. – Fabian Fichter Aug 21 '18 at 13:04

After 16. h4, there is no way for you to win this position, as black has a forced win in 4 moves.

  1. ..Nh3+ is not a mistake by black, in fact it is winning. After your move 17. Kg2, black wins the game with 17. ..Rf2+ 18. Rxf2 Nf4+ 0-1.

If you look at Fabian's link, you can see that black has a forced win in 5 as early as move 15.

So, to answer your question: No, it is not possible for you to give 2 more checks.

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