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Boris Spassky vs Boris Vladimirov
USSR Championship 1961b (1961), Baku URS, rd 15, Dec-08
Sicilian Defense: Najdorf Variation (B94)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Nov-07-08
Premium Chessgames Member
  GrahamClayton: Spassky could have checkmated a move earlier with 23. ♕e8+ ♕e8 24. ♗c5#
Aug-23-09  WhiteRook48: 23...Kxe8
what is wrong with 23 Bc5 Qxc5 24 Qf7#
May-28-12  Tigranny: @WhiteRook48 The queen is guarded by the rook, so 23...Kxe8 is not possible.
Mar-15-14  tranquilsimplicity: Well spotted <GrahamClayton>. It is usually difficult to find better moves in the games of great GMs.#
Apr-07-15  A.T PhoneHome: Chess betting circles in Soviet Union must have had a feel day over this one; anyone who betted "Boris wins" made some money!

<12.Ndb5> sacrifice was a good way to drive that Queen away from c7 square, guarding d6; <12.Ndb5 axb5 13.Nxb5> and now that b5 square is safe so Queen has to move, <13...Qa5>. Now <14.Nxd6+> is safe for White.

<18.Nxe5> deflects Queen from defending back-rank, namely d8 square. As Mr. Vladimirov was obliging enough to have that Queen's Bishop undeveloped, Black's back-rank (d8 square) has no defence now because a8 Rook is hemmed in. So after <18...Qxe5>, White plays <19.Rd8+> and Knight moves between d8 Rook and King, <19...Ne8>. This means that now Black has only three pieces to use while White has five (including h1 Rook). Remainder of this game is about White applying pressure to e8 Knight and its nearby squares.

After <20.c3>, Black plays <20...g5>, maybe to buy time to get to that d8 Rook. However, this move opens up h5-e8 diagonal for White Queen and White indeed plays <21.Qh5> and now Black has to play <21...Qe7> in order to have two defenders (Knight and Queen) for White's two attackers (Rook and Queen).

Now <22.Bf2> threatens Bc5, which would target Black's Queen that defends King from e7 defending square. So Black replies <22...Bg4> to target White's Queen but now Spassky plays <23.Rxe8> and White's Queen is immune. At last Vladimirov has that Queen's Rook in play and he plays <23...Rxe8> (not 23...Qxe8 24.Bc5+ because then Black has to give up Queen to avoid speedy mate (24...Qe7). Now followed <24.Qxg4 Be5 25.Rd1> and Black has lost.

Jun-20-15
Premium Chessgames Member
  Fusilli: <GrahamClayton> Good find!

<WhiteRook48> <what is wrong with 23 Bc5 Qxc5 24 Qf7#> Black plays 23...Bxh5. White is still winning after 24.Bxe7+ Kxe7 25.Rxa8. But better to mate in two as <GrahamClayton> posted.

Overall, a vintage Spassky attack game.

Jun-17-20  carpovius: <grahamclayton> very nice finding!
Dec-30-21  jerseybob: Botvinnik might've said.."as every Russian schoolboy knows, if you fianchetto, don't move the e-pawn!"

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