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Nigel Short vs Igor Ivanov
Hastings (1983/84), Hastings ENG, rd 7, Jan-??
Sicilian Defense: Richter-Rauzer Variation. General (B60)  ·  0-1



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sac: 40...Rd1+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Mar-17-21  Brenin: I got this one, realising that after 40 ... Rd1+ 41 Bxd1 the quiet follow-up 41 ... Qe3 left White helpless against the discovered check. A nice deflection theme, clearing the Q's route to e3.
Mar-17-21  newzild: I also missed it, having found nothing after 40...Rd1+, 40...Nxe4 or 40...Nxh3+.
Mar-17-21  malt: Went for 40...Nh3+
Mar-17-21  WorstPlayerEver: Missed it 😭
Mar-17-21  AlicesKnight: Yay! I found the gameline. The king has nowhere to run; the white Q goes at a minimum.
Mar-17-21  Brenin: 35 Nb1 looks horrible, but White was in trouble by this stage. Perhaps he had to concede the a-pawn with 35 Rd1 in order to keep Black's pieces from invading his position. Short was 18, and not yet a GM, when this game was played.
Mar-17-21  Transfinite Cardinal: Hard one missed it the intermediate move wasn't easy to spot the check with the queen wouldn't have worked and that was the obvious move.
Mar-17-21  mel gibson: I incorrectly chose 40...Nxh3+.

Stockfish 13 says mate in 7

40... Rd1+

(40. .. Rd1+ (♖d4-d1+ ♗f3xd1 ♕g3-e3 g2-g3
♘f2-g4+ ♔g1-h1 ♕e3xe4+ ♗d1-f3 ♕e4xf3+ ♕h2-g2 ♕f3-d1+ ♕g2-g1 ♗c4-d5+) +M7/74 6)

Mar-17-21  Vermit: Took about a minute of staring - the key is to realise that after Qe3, the king has no square to which it can escape.
Premium Chessgames Member
  agb2002: White threatens Qxg3 and cxd4.

Black can resume the attack with 40... Rd1+ 41.Bxd1 Qe3 (41... Qd3 42.Be2 Qxe2 43.Na3 Bd3 44.Qg3):

A) 42.g4 Qe1+ (42... Nxg4+ wins decisive material but slower) 43.Kg2 Qf1+ 44.Kf3 (44.Kg3 Nxe4+ 45.Kh4 Qf6+ and mate next) 44... Nxd1+ 45.Kg3 Qe1+

A.1) 46.Kf3 Qe3+ 47.Kg2 Qf2+ 48.Kh1 Qf1+ 49.Qg1 Nf2+ 50.Kh2 Qxh3#.

A.2) 46.Kg2 Qf2+ as above.

B) 42.Be2 Nxh3+ 43.Kh1 (43.Kf1 Qf2#) 43... Qc1+ and mate in two.

C) 42.Nd2 Qe1+ 43.Nf1 Qxf1#.

D) 42.Qxe5 Ng4+ and mate next.

Mar-17-21  Walter Glattke: 41.-Qd3 42.Be2 Qxe2 43.Na3 Nd1 44.Qg3, so 41.-Qe3 42.g4 Nxg4+ 43.Kg2 Qf2+ 44.Kh1 Qxh2#/ 43.Kh1 Qxe4+ 44.Qg2 Qe1+ 45.Qf1 Bd5+ 46.Bf3 Bxf3# or 44. Kg1 Qe1+ 45.Kg2 Qf2+ 46.Kh1 Qxh2#/ not easy today
Premium Chessgames Member
  chrisowen: Kop key i kom Rd1+ fends key ideas a focus key i point kop key i kom vermits key i ops fop key i pig get ten key i gent banques key caw way hulled its ritz glams chop very dents key dew tot add dug hod dip hacks key i Rd1+ cinch?
Mar-17-21  saturn2: <Walter Glattke: 41.-Qd3> White can answer this by 42.Kxf2
Mar-17-21  landshark: I got this one - off to a rare (for these days) 3/3 start to the week. Seems like Nigel Short has been on the wrong end of a lot of brilliancies lately -
Premium Chessgames Member
  agb2002: <saturn2: <Walter Glattke: 41.-Qd3> White can answer this by 42.Kxf2>

I initially thought that 41... Qd3 was the key move because 42.Kxf2 Qf1+ 43.Ke3 (43.Kg3 Qf4#) 43... Qe1+ 44.Kf3 Qxd1+ forces mate.

But suddenly realized that after 42.Be2 Qxe2 43.Na3 Black lost a lot of advantage and discarded 41... Qd3.

However, 41... Qd3 42.Be2 Qe3 is still winning for Black (I overlooked this in my previous post).

Mar-17-21  dhotts: Nice Puzzle ! Maybe if this were GOTD the pun could be "Short End of the Stick"
Premium Chessgames Member
  chrisowen: Oh on your way back no?
Premium Chessgames Member
  Jimfromprovidence: Like <agb2002> I also initially thought that 41... Qd3 was the key move, but discarded it after 40 Rd1+ 41 Bxd1 Qd3 42 Qxe5.

click for larger view

But I was wrong. It turns out that 41...Qd3 is winning after 42 Qxe5 (or any other white move).

After 42 Qxe5 one can continue 42...Qf1+ 42 Kh2 Qh1+ 43 Kg3.

click for larger view

Now we are into weekend puzzle difficulty. Black to play and win.

Mar-17-21  TheaN: After realizing Nxh3+ gains Black clearance (e1) but White space (h2), it's obvious it has to be looked at differently.

Clearing is key, and either e1 (Qe1#) or e3 (Qe3 with discover and threatening Qe1#) is fine, and then we land on <40....Rd1+ 41.Bxd1 Qe3 -+>. Rare but not incredibly difficult by deduction.

I didn't really analyze it completely. White's in a world of hurt as he's unable to stress e3 and e1 simultaneously, and Ng4+ or Qe1# are inevitable.

Mar-17-21  Halldor: I began with 40... Rd1, but soon started working on 40... Nxh3+. When I couldn't get it to work I started again with 40... Rd1 (I thought that just a violent first move could work to prevent QxQ). Got stuck for a long time and was about to give up... Then at last ― suspecting that there might be a *quiet* move in this ― I stumbled on 41... Qe3!! which threatens a double check and smothered mate.

Wow! What an ending!

Mar-17-21  Everett: Quiet moves are often the most difficult to find. Studying Karpov’s and Carlsen’s games are helpful in this regard.
Mar-17-21  BxChess: <Jimfromprovidence:> Nice puzzle. Too hard for me but it was fun trying to find a hole in Stockfish's solution.
Mar-17-21  RandomVisitor: By move 19 white is drifting into a position that favors black. Wouldn't it be nice to play something like 8.Bf4, but only a computer would follow with 9.Be3, 10.Bg5 and 12.Bxf6

click for larger view


<54/83 3:22:41 +1.19 8.Bf4 e5 9.Be3> Qc7 10.Bg5 Bg4 11.Qd2 Be7 12.Bxf6 Bxf6 13.Nb5 Qe7 14.Be2 Be6 15.Qxd6 0-0 16.Qxe7 Bxe7 17.0-0-0 Rac8 18.Nc3 Nd4

53/76 3:22:41 +0.63 8.Be3 Qc7 9.g4 d5 10.exd5 Nxd5 11.Nxd5 exd5 12.Qxd5 Be6 13.Qe4 0-0-0 14.Bc4 Bxc4 15.Qxc4 h5 16.Rd1 Rxd1+ 17.Kxd1 hxg4 18.Qxg4+ Qd7+

Premium Chessgames Member
  Breunor: Bummer, totally missed it.
Premium Chessgames Member
  agb2002: <Jim

click for larger view

Now we are into weekend puzzle difficulty. Black to play and win.>

At first sight only two moves deserve consideration: Nxd1, to recover some material while saving the knight and Qg1, to further extract the white king with Nh1+.

Weekend level difficulty indeed.

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