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Alexey Kuzmin vs Tahir Vakhidov
Agzamov Memorial (1987), Tashkent URS, Dec-??
Spanish Game: Classical Variation (C64)  ·  1-0



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Kibitzer's Corner
Nov-21-23  Brenin: White wins a P, and hence the endgame. with 20 Rxd6+, e.g. 20 ... Rxd6 21 Nxb7 Rd7 22 Nc5+, regaining the exchange, or 20 ... Kxd6 21 Nxb7+ and 22 Nxd8.
Nov-21-23  mel gibson: I didn't find that easy -
the advantage is small.

Stockfish 16 says:

20. Rxd6+

(20. Rxd6+ (Rd1xd6+ Rd8xd6 Na5xb7 a7-a5 Nb7xd6 Ke6xd6 Ra1-d1+ Kd6-c7 Ke3-d3 Ra8-b8 b2-b3 Rb8-d8+ Kd3-c2 Rd8-a8 a2-a4 h7-h6 h2-h4) +2.71/47 701)

score for White +2.71 depth 47.

Nov-21-23  Mayankk: After 20 Rxd6+ Rxd6 ( 20... Kxd6 results in an immediate 21 Nxb7+ fork) 21 Nxb7, White's d6 Rook has nowhere safe to go. After 21 ... Rd7 22 Nc5+ Ke7 23 Nxd7 Kxd7 e.g. White is a pawn up.

Now is a pawn advantage good enough in a Rook endgame with 6P vs 7P? I don't know tbh, given how tricky Rook manoeuvres can be and how difficult it is to preserve a pawn advantage in such cases.

Premium Chessgames Member
  al wazir: Seeing the win of a ♙ was easy. The hard part was giving up the search for something better and conceding that there is nothing better.
Premium Chessgames Member
  takebackok: Nice, win a pawn win a game. Took a second to realize this was it.
Premium Chessgames Member
  OhioChessFan: 20...Rxd6 seemed right to me.
Nov-21-23  saturn2: White gets a pawn. Aftet Nxb7. the Rd6 can only walk into a fork or be captured.
Nov-21-23  TheaN: As mentioned the puzzle today is the best move but not a clear cut win <20.Rxd6 Rxd6 21.Nxb7> and the rook is trapped, Black gets some compensation but not enough.
Nov-21-23  patz8491: If 20...Rxd6 21.Nxb7, the rook has nowhere to go. If Re7, Nc5 forks the K and N.
Premium Chessgames Member
  scormus: It's all about small margins
Nov-21-23  cocker: A very premature resignation by my standards. What's the plan?
Nov-21-23  gofer: <cocker>: <<"A very premature resignation by my standards.">>

Yes - a lack of fighting spirit never got anyone very far...

<< "What's the plan?">>

If the black rook moves anywhere else on the g file, then white is 2 pawns up. If the black rook stays on g5, then white plays Rg3 trading rooks.

A couple of moves later we might get to...

click for larger view

Once the rooks are off the board, things are simpler to calculate.

Stockfish thinks white can simply walk his king into the black's queenside pawns faster than Black can walk his king into white's kingside pawns. Black isn't dead, but he is not looking a win any time soon.

After the king walks + promotions we might get something like...

click for larger view

Nov-21-23  Brenin: <cocker>: These guys were GMs, and could see the broad outlines of <gofer>'s analysis at a glance. Once the Rs come off, Black hasn't a hope of saving himself.
Premium Chessgames Member
  chrisowen: I ow its sat muggy its Rxd6+ acetate over fab aba auld buddy its exodus v Rxd6+ faith :)
Nov-21-23  cocker: Thanks to <gofer> and <Brenin>. I never was much good at rook endings.
Nov-21-23  Hercdon: That�s it? A pawn? Boring for a Tuesday
Premium Chessgames Member
  gawain: That's it? I could have looked all day and still be looking. Usually "easy" wins are more conclusive than this. But this is a GM game after all. Easy for them. Meanwhile, points to me for at least seeing the forks.
Premium Chessgames Member
  perfidious: This is more a practical problem than a true POTD, but has its uses all the same.

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