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George Alan Thomas vs Edgar Colle
Baden-Baden (1925), Baden-Baden GER, rd 6, Apr-23
Sicilian Defense: Dragon. Classical Variation (B72)  ·  0-1
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Aug-12-08
Premium Chessgames Member
  goldfarbdj: I found this one to be easier than yesterday's.

After 29 ♕xf2 ♖xd1+ 30 ♔e2 ♗xf2 31 ♔xd1, black should play ♗b6 in order to meet 32 ♖d2 with ♖d8.

Aug-12-08
Premium Chessgames Member
  Gilmoy: <al wazir: Half of Thomas's first 24 moves were N moves ... better use of the tempi?> I noticed that, too. GMs move their Ns in elegant little triangles to get them to good outposts -- this is a key advanced skill that separates GMs from lesser Ms. But Thomas takes it too far -- his N tours moved sideways or backwards, never seized territory, and ended up conceding space (and time).

Compare to, say, Gerard Welling, who also does oddball 4-move N tours, but ends up with a double-Nd5 or similar very aggressive idea.

Aug-12-08  fischerstein: This is just fun for Thomas. R X R mates in one
Aug-12-08
Premium Chessgames Member
  whiteshark: Queen overburdened. Just amusing.
Aug-12-08  456: Monday puzzle Aug-11-08 <45. ?> Kan vs Bannik, 1952
Aug-12-08  TheaN: 2/2

I think that the 'easy' part (compared to very easy) in this puzzle is that at first one might think there's a mate around, but the Rook is covering f2: 28....Rxd1 29.Qxd1! will not gain anything for Black.

-ML-
<28....Qxf2> is nonetheless very straightforward. Black wraps up the f2 Knight with a trading check inbetween.

<29.Qxf2 Rxd1> oops, says White.

/A\
<30.Qe1 Rxe1 31.Ke1 Rd8 > and Black is the piece up without any counterplay at all.

/B\
<30.Ke2 Bxf2 31.Kxd1 Be3 > now, Black has the piece without tempo but is avoiding an immediate Rd2, Black will play Rd8 next move and White loses all initiative.

Aug-12-08  Salaskan: I was looking at Rxd1+ Qxd1 Qxf2+, but then I saw it was protected by the rook, so I thought: what about decoying the queen the other way around by taking the knight and then the unprotected rook? And it worked.
Aug-12-08  Operation Mindcrime: Nice puzzle!

I also looked at ♖xd1+ but realized the White ♕ was protecting its ♖ - and bingo, there came the idea of the deflection ....♕xf2!, which forces ♕xf2. There follows ♖xd1+ and White is forced to interpose the ♕, leaving Black a full piece ahead.

Aug-12-08
Premium Chessgames Member
  johnlspouge: Tuesday (Easy): Black to play and win.

Material: B for N. Black has a battery Ba7 and Qc5 pinning Nf2 to a mate threat Qg1#. The Rd8 faces Rd1 on the open d-file. Only Rc8 requires activation.

Candidates (28.): Qxf2+

28.Qxf2+ Qxf2 29.Rxd8+ Qe1 [Ke2 30.Bxf2] 30.Rxe1+ Kxe1

Black wins a N, because White must surrender a tempo to escaping check, rather than recapturing.

Aug-12-08
Premium Chessgames Member
  chrisowen: Nice attack. Thomas missed nb4 blocking the centre.
Aug-12-08
Premium Chessgames Member
  OhioChessFan: I share the feeling that Monday and Tuesday seem to have been reversed this week. Nice shot to take advantage of the back rank weakness.
Aug-12-08  Longbrow: As much as Thomas jockeyed his Knight around;the board was left with a good Bishop and bad Knight.

<chrisowen: Nice attack. Thomas missed nb4 blocking the centre.>

I assume you want 17.♘b4

Aug-12-08  A.G. Argent: So, <dzechiel>, certainly glad you've fully recovered from that strange disease you had yesterday. 24 hour bug, eh?
Aug-12-08  Another Englishman: Good Morning: At first I was only looking for a mate, but then settled with this line: 28. Qxf2! 29. Qxf2 Bxf2 30. Kxf2 Rxd1 winning the exchange
Aug-12-08
Premium Chessgames Member
  YouRang: Ahh, that's better. :-)

A fairly simple, but interesting puzzle. The white queen is overworked, guarding the rook on d1, and the knight.

So, black scoops up a free knight: 29...Qxf2+ forcing 30.Qxf2, leaving the rook hanging there for 30...Rxd1+ -- a sort of 'zwischenzug' (intermediate move).

White then has a choice of: [a] 31.Ke2 Bxf2 32.Kxd1, or [b] 31.Qe1 Rxe1+ 32.Kxe1 and again. Either way, black is up a piece.

Not much is better than a combo that sweeps off a bunch of material, leaving a won endgame. :-)

Aug-12-08
Premium Chessgames Member
  dzechiel: <A.G. Argent: So, <dzechiel>, certainly glad you've fully recovered from that strange disease you had yesterday. 24 hour bug, eh?>

Musta been. But from reading other posts, it seems I wasn't the only one to suffer from it yesterday.

Aug-12-08
Premium Chessgames Member
  Marmot PFL: This is pretty easy, mainly a matter of counting material.
Aug-12-08
Premium Chessgames Member
  kevin86: The poor queen is overworked and also blocks the rook from defending the bishop at f2.

After: 28...♕f2+ 29 ♕xf2 ♖xd1+ 30 ♕e1 (or 30 ♔e2 ♗xf2 31 ♔xd1-amounts to the same loss of a piece) ♖xe1+ 31 ♔xe1 and black is up a bishop.

Aug-12-08
Premium Chessgames Member
  Geronimo: I'd like to think that the difficulty of puzzles on chessgames.com is linked to an appreciation of how games are played out over the board, not how they are presented "white to move and win", etc.... I too found this easier than yesterday's, but otb, I think it's trickier. I saw white queen's overprotection, then realised that Qxf2 wouldn't be sufficient. Though yesterday had a greater range of first-move options, today's was a subtler puzzle.
Aug-12-08  ravel5184: This was much easier than yesterday's to figure out, once I realized it was Black to move.
Aug-12-08
Premium Chessgames Member
  fm avari viraf: In Chess one cannot relax & play casual moves as White did in this game which cost him his Knight & the game. There was no point playing 28.Rc2? as 28...Qxf2+ wins a piece & the game.
Aug-12-08
Premium Chessgames Member
  patzer2: Oh my goodness! What's a modern Queen to do now days? With all the demands on her time, taking care of the castle (i.e. protecting the Rook) and protecting her King (i.e. avoiding mate), she's just too overworked!

In this case, Black exploits the overworked White Queen and solves today's Tuesday puzzle with 28...Qxf2+!

Since the Queen must stop mate with 29. Qxf2, she leaves her Rook unprotected and will lose a decisive piece soon after 29...Rxd1+ . See <Kevin 86>'s post for details.

Aug-12-08
Premium Chessgames Member
  keypusher: It was obvious the queen was overloaded, so was breaking my head over this, trying to find the win after 28...Rxd1+ 29. Qxd1 Qxf2+ -- doesn't work. Then it finally occurred to me to try ...Qxf2+ first.
Aug-12-08
Premium Chessgames Member
  keypusher: <There was no point playing 28.Rc2? as 28...Qxf2+ wins a piece & the game.>

It's funny, I'll bet Thomas saw 28. Rxd8+ Rxd8 29. Rc2 Rd1+ 30. Nxd1 Qg1# but missed the simpler threat in the game. I guess 28. Nh3 would have prevented any immediate disaster, but White's position looks pretty bad.

Aug-15-08
Premium Chessgames Member
  chrisowen: <Longbrow> To try to hold d5. Looks like it might've paid off had he done so, the night was getting a bit giddy wasnt it :)
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