Chess with secret rule. Christopher Randles vs Pat Scott
Standard
20
Ṁ33k
resolved Jan 20
Resolved
YES

Christopher Randles plays as white, and if he wins this market resolves to YES.

Pat Scott plays as black, and if he wins this market resolves to NO.

In case of a draw this market resolves to 50%.

One rule is added to the chess ruleset.

The rule is "fair": it doesn't give advantage to any side, is symmetrical, does not depend on the move index.

The rule is unknown to the players at start.

Before making a move the player can choose one instrument:

1) Legality check. Name three 2-halfmove continuations of the game. I will tell which moves would be illegal in the lines. Example: "13.Ra4 bxa4, 13. Ra5 b3-b4, 13. Qb2 b3-b4" -> "b3-b4 after Qb2 is illegal".

2) Question. Ask me a question and I will answer Yes|No|NA.

3) Gamble. I will tell 4 moves available in the current position. One of them will be the best in my opinion, one will be the worst, it is not revealed which is what. The player does NOT have to play any of the four moves.

Any information is revealed to both players.

Time control will be added if appears to be needed.

Game is played in the comments.

The board picture in the description will be updated.

Position before black's move 39

https://lichess.org/editor/3N4/8/4Rbr1/p2P2kP/2PN1P2/P2R4/1P1KBP2/8_w_HAha_-_0_1?color=white

Move history:

  1. g3 a5

  2. e3 --

  3. Ne2 d5

  4. Bg2 e5+Bg4 (compensating for the mistake of the judge on move 2)

  5. h3 Nf6

  6. h3xg4 Nc6

  7. a3 g5

  8. d4 Bg7

  9. Nb1c3 h5

  10. Pxh5 Ne7

  11. Pxe5 Ng4

  12. e4 Bxe5

  13. Ng1 c6

  14. Nge2 f6

  15. Bf3 Qd7

  16. Pxd5 0-0-0

  17. Ng1 b5

  18. Bxg5 f5

  19. Bxg4 Qe6

  20. Bxe7 Kd7

  21. Be2 Kxe7

  22. Qd3 Bg7

  23. 0-0-0 Qf6

  24. Rh4 Rh8-f8

  25. Nf3 Qр6+

  26. Qe3+ Qxe3

  27. Re4+ Kf6

  28. Rxe3 Bh6

  29. Nd4 Kg7

  30. Rd1-d3 Rf6

  31. Kd1 Bg5

  32. N(c3)xb5 Kg6

  33. c4 Rf7

  34. Re6+ Bf6

  35. Nxc6 Kg5

  36. Nxd8 Rg7

  37. Kd2 f4

  38. Nd4 Rg6

  39. Pg3xf4 ...

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I think I was particularly slow to work out what the rule was, I didn't know until about move 19 and was strongly helped about then by a misunderstanding of what move I had played. I feel my initial strategy of mirroring Kongo's moves on the first game worked well for me. Pat pushed a bishop to g4 where it got trapped. So I was rather surprised when he move a N to the same square on move 11 where it also got immobilised. It was remobilised on 14 f6 so not really sure why Pat didn't save that knight even if it did mean moving it to a rather remote h6 so 17 b5 seems very odd.

I guess a game with two players who understand the rule from the start would look much more sensible, but I am not sure whether any players would be interested in trying that.

Anyway thanks for the game Pat and the refereeing Kongo.

predicted YES

@ChristopherRandles gg. yeah I made some blunders even after knowing the rule. really just couldn't get normal chess out of my instincts

predicted YES

@Stralor @KongoLandwalker
Start a new comment:
After
35 Nxc6 Kg5
36 Nxd8 Rg7
I am playing
37 Kd2

predicted NO
predicted YES

@Stralor 38 Nd4

predicted YES
predicted NO
predicted YES

@Stralor Pg3xf4
https://lichess.org/editor/3N4/8/4Rbr1/p2P2kP/2PN1P2/P2R4/1P1KBP2/8_w_HAha_-_0_1?color=white
is the position after
35 Nxc6 Kg5
36 Nxd8 Rg7
37 Kd2 f4
38 Nd4 Rg6
39 Pg3xf4

@ChristopherRandles @Stralor sorry for my absence. As the judge, may I suggest the victory for Christofer? Pat has the right to fight though, if he wishes.

predicted NO

@KongoLandwalker fairrrr he's mastered the rule better than I did and I'm going slow. I concede

@Stralor the result was going to be a long and slow stalemate which isn't fun for anyone

predicted YES

@Stralor I think I have enough mana invested to ensure I don't stalemate. 39 ... Kh4 speeds up the mate a lot ;)
But without such help I was getting to mate around moves 53-63

predicted YES

@Stralor So graceful. No losers here, we all won! 😉

Now the U.S. Supreme Court has spoken. Let there be no doubt, while I strongly disagree with the court's decision, I accept it. I accept the finality of this outcome, which will be ratified next Monday in the Electoral College. And tonight, for the sake of our unity as a people and the strength of our democracy, I offer my concession.

predicted YES

you probably want to extend the close date?

predicted YES

@Stralor no your bishop is on g5

(your move 31 was "Bg5 (thanks, this often gets buried or I get busy)" )

predicted YES

@Stralor
31 Kd1 Bg5
32 N(c3)xb5 Kg6
33 c4 Rf7
34 Re6+

@ChristopherRandles ah thanks. 34... Bf6 then

predicted YES

@Stralor Expected that
35 Nxc6

predicted YES

@Stralor https://lichess.org/editor/3r4/5r2/2N1Rbk1/pN1P1p1P/2P5/P2R2P1/1P2BP2/3K4_w_HAha_-_0_1?color=white
if that helps, it is after
31 Kd1 Bg5
32 N(c3)xb5 Kg6
33 c4 Rf7
34 Re6+ Bf6
35 Nxc6

predicted YES

@Stralor not yet 3 days since last move, maybe it is a tricky one?

predicted NO

@ChristopherRandles no just only show up here v briefly most days rn. life is turning

predicted NO
predicted YES
predicted NO

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