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Mariusz Bus vs Rabeea Othman
"Magic Bus" (game of the day May-17-2018)
Dubai Open (2000), ?, rd 5, May-04
Formation: King's Indian Attack (A07)  ·  1-0


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Kibitzer's Corner
Premium Chessgames Member
  OhioChessFan: "Magic Bus"
May-17-18  ASchultz: Is there an error in the score? 50. Bxb4 seems to make more sense than cxb4. It also makes Black's subsequent ...Bxb4 look more logical, too.
May-17-18  talljack: It looks like 40. Nf6+,Nxfb 41. RxR+,Kf7 42. axb3 wins the exchange for nothing. Maybe White was on short time. Does anyone see a refutation? I don't see 40 ... gxNf6 as any better.
May-17-18  talljack: Oh, I see why White didn't take the exchange, his finish is better. Very nice.
Premium Chessgames Member
  offramp: It looks like the Pun Voting Booth is defunct. The way to suggest puns is to use the kibitzing section..

I always thought the Pun Voting Booth was a bit flaky, as it meant only the dimmest puns made it through the democratic voting ptocess.

Premium Chessgames Member
  al wazir: Why did black play 50. Bxb4 ? The b-♙ isn't going anywhere, at least for a while. It would have made more sense to leave the ♗ where it is, bring the ♔ into action, and move his ♙s to white squares.
Premium Chessgames Member
  OhioChessFan: I don't know. I've had 2 puns in a week but I both kibitzed and put them in the pun voting booth. Until recently, I'd just always dropped pun ideas around the site like Easter eggs in kibitzing but not the voting booth, and rarely had one picked.
May-17-18  Autoreparaturwerkbau: Black's first mistake was <40...Kh8>. Correct was <40...Rb8>. After that black is always behind and white dominates.

Yet, <50...Bxb4?> is decisive error (either a blunder or wrong scoresheet) since that move loses on the spot.

Instead <50...Kd7> followed by <51.Kb3 Bc1> prolongs some black's fighting chances even though white has advantage.

May-17-18  goodevans: <Autoreparaturwerkbau: Black's first mistake was <40...Kh8>.>

I don't think so!

This game is riddled with mistakes from both sides.

Premium Chessgames Member
  GrahamClayton: Source of the pun?

Premium Chessgames Member
  takchess: Zoomba, It's the Magic Bus ! A great tune
May-17-18  Ironmanth: Interesting maneuvering! Thanks for this one. Y'all have a great day.
Premium Chessgames Member
  cormier: Analysis by Houdini 4: d 26 dpa

<1. - / + (-0.72): 16...e5> 17.Rxd8+ Bxd8 18.Na3 Be6 19.Rb1 Be7 20.Be3 b6 21.c5 bxc5 22.Nb5 Bc4 23.Nc7 Rc8 24.Nd2 Bxa2 25.Ra1 Rxc7 26.Rxa2 f5 27.Nc4 e4 28.Kg2 Rb7 29.h4 g6 30.Kh3 Kg7 31.Ra6 Rc7 32.Kg2 Rd7 33.Ra1 Rb7 34.Ra4 Rd7 35.Ra6 Bf8 36.Ra1 Rb7 37.Ra6 Rd7 38.Ra1

2. = / + (-0.43): 16...h6 17.Rxd8+ Bxd8 18.Kf1 e5 19.Ke2 Bf5 20.N1d2 Bc7 21.Nf1 Bb6 22.c5 Nxc5 23.Nxc5 Bxc5 24.Be3 Be7 25.Nd2 Be6 26.a4 g5 27.a5 f5 28.f4 exf4 29.gxf4 g4 30.Kd3 Kf7 31.Nc4 Bd5 32.Ne5+ Ke6 33.Rd1 Rd8 34.Bd4 Be4+ 35.Kc4

Premium Chessgames Member
  daveinsatiable: I agree with <ASchultz>, the game score must be wrong. The continuation makes perfect sense if white played 50. Bxb4, none if he played 50.cxb4.
Premium Chessgames Member
  Dionysius1: Stockfish evaluates the 50. ♗xb4 line as +139. What sense can that make? Using +1 as the equivalent of a pawn up etc, a full army of pieces and pawns versus a lone Black king would be +39.

How can any position be 4 times better than that?

Premium Chessgames Member
  ChessHigherCat: <Dionysius1: Stockfish evaluates the 50. ♗xb4 line as +139. What sense can that make? Using +1 as the equivalent of a pawn up etc, a full army of pieces and pawns versus a lone Black king would be +39. How can any position be 4 times better than that?>

Don't underestimate the importance of having a hundred extra pieces handy to hurl in your opponent's face!

Premium Chessgames Member
  Dionysius1: They would get in each other's way. That suggests a puzzle: what's the highest point value of one side against a lone King such that the weak side is not in check, and the strong side can deliver mate next move.
Premium Chessgames Member
  Dionysius1: I suppose a way to think of it is that a computer evaluation is expressed as somewhere along a number sequence which runs 1,2,3,...mate in n moves. At the lower end of the scale the numbers relate to equivalents of piece value superiorities, and somewhere along the line they change to something else. But when and what would be interesting to know. Presumably the programmers have to decide the answer to that...
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