I begin this blog after getting back into league chess following many years' absence due to work. My post-job status also means I am able to play more tournament chess. My new club in London is Battersea and my first game for them is on Thursday September 14, 2017. I start with a Fide rating of 1858, an ECF grade of 169 (=1968 elo) and an ICCF correspondence rating of 2267. My current Fide is 1977, my ECF is 1935 and my ICCF is 2346.
Showing posts with label Kraków. Show all posts
Showing posts with label Kraków. Show all posts
Sunday, 5 January 2025
Summing Up Kraków
MY score in the Cracovia 60+ of +4=1-4 lost 40.4 Fide elo.
Saturday, 4 January 2025
Kraków Round Nine
Spanton (2011) - Tomasz Sielicki (1979)
*****
1.d3
1.d3!? e5 2.f4!? d5!? 3.Nf3!?
Stockfish17 and Dragon1 reckon Black gets equal chances after 3.fxe5 with both 3...Nc6 and 3...f6!?
3...exf4 4.Bxf4 Bd6 5.Qd2 Nf6 6.Nc3 c6 7.0-0-0!? Be6
The first new move of the game - up to here everything had been in ChessBase's 2025 Mega database.
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White has an edge in development and a central pawn-majority, but Black has more space in the centre. The engines marginally prefer White, but less so the more time they are given.
8.e4!? Bxf4 9.Qxf4 d4 10.Ne2 c5
White gets the upper hand after 10...Bxa2?! 11.Qe5+ (this seems better than 11.b3 0-0!?) Be6 12.Nexd4, according to the engines.
11.Ng5!?
The engines prefer 11.Qg5, but reckon 11...Nbd7!? gives Black a slight edge.
11...Qe7 12.Nxe6 Qxe6 13.Kb1 Nc6 14.Nc1?!
This is a serious mistake, according to the engines, reckoning 14.Qg5 is equal.
14...Qe5?!
Black is positionally winning after 14...Ng4 (Stockfish17) or 14...a5 (Dragon1).
15.Qxe5+ Nxe5 16.Be2 Ke7!?
The engines reckon Black is right not to play 16...N(either)g4, which lets White swop off the bad bishop.
17.Nb3 Rac8 18.h3 h5 19.Rhf1 g6 20.Rf2 b6 21.Rdf1 Rc6 22.Nd2 Nfd7 23.Nf3 Nxf3?!
This loses e5 as an outpost square.
24.gxf3 Nf6 25.f4 Rcc8 26.Bf3
Almost certainly not 26.h4?! as 26...Ng4 27.Bxg4 (best, according to the engines) hxg4 strongly favours Black.
26...h4 27.Kc1 Nh5 28.Bg4 Ng3 29.Bxc8 Nxf1 30.Rxf1 Rxc8
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Black has more space on the central-queenside, and the slightly more active king, but a weak h pawn. The engines call the position equal.
31.Rg1 Rh8
The engines like 31...Re8!?, the idea being to meet 32.Rg4 with 32...f5!?, eg 33.exf5 gxf5 34.Rxh4 Kf6, claiming complete equality.
32.Rg5 Rg8!?
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33.f5?
It was important to activate the king before pushing kingside pawns.
33...Kf6 34.Rg4 g5
Black has the upper hand, according to the engines.
35.Kd2 Ke5 36.c3?
And now they reckon Black is positionally winning, giving 36.a4 and 36.Ke2 as much better moves.
36...f6 37.Ke2 Rd8 38.c4
The engines agree this is best.
38...a6 39.a4 Rb8 40.Kf3 b5 41.axb5 axb5 42.cxb5 Rxb5 43.Rg2 Rb3
White is initially 'only' losing a pawn, but Black's advantage is worth more than a rook (Stockfish17) or even more than a queen (Dragon1) |
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44.Rd2 c4 45.Ke2 Kf4
By no means the sole winning move.
46.dxc4 Kxe4 47.c5 d3+ 48.Kf2 Rb5 (0-1, 67 moves)
Friday, 3 January 2025
Kraków Round Eight
Andre Klucznik (1893) - Spanton (2011)
English
1.c4 e5 2.g3 Nc6 3.Bg2 g6 4.b3!?
A relatively rare continuation, but Viktor Korchnoi is among those who played it.
4...Bg7 5.Bb2 Nge7 6.e3!?
The mainline in ChessBase's 2025 Mega database runs 6.Nc3 0-0 7.e3 d6 8.Nge2 Be6 9.0-0, when Stockfish17 and Dragon1 reckon White has at least the better part of equality.
6...d5 7.Ne2
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7...Be6?!
The engines give Black a slight edge after several moves, including 7...dxc4, 7...d4 and 7...Bg4.
8.Na3?!
This was also played in the only game to reach the position in Mega25, Zaur Mammadov (2427) - David Shahinyan (2257), EU U16 Championship (Batumi, Georgia) 2010, but almost certainly better is 8.Nf4!?
8...0-0 9.0-0 d4 10.exd4 exd4 11.d3 Qd7 12.Nc2 a5 13.a3 Rfe8 14.b4 Nf5!?
The engines strongly dislike this, claiming both 14...Ne5!? and 14...Bg4 are good, eg 14...Ne5!? 15.Bxd4 Rad8 16.Bxe5 Bxe5 17.d4 Bg7, when Black is a pawn down, but has the bishop-pair and pressure against White's fourth-rank pawns.
15.Nf4 a4?!
Probably the wrong idea. After 15...axb4 16.axb4 Rxa1 17.Qxa1 Ne5!? the engines agree White is better, but not as much as in the game.
16.Re1 Rab8!?
First world correspondence champion Cecil Purdy warned against placing a rook behind an unmoved pawn, even when the intention is to quickly advance the pawn, but here the engines quite like the move.
17.Nxe6 Rxe6 18.Rxe6 Qxe6 19.Ne1!
The engines reckon this gives White a positionally won game.
19...Ra8 20.Nf3 Qe7 21.Nd2!?
But they reckon this is a knight move too many, preferring, among other continuations, 21.Bc1 (Stockfish17) or 21.Qd2 (Dragon1).
21...Nd6 22.Ne4 Nxe4
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23.Bxe4
Black has at least the upper hand after 23.dxe4?! Ne5, according to the engines.
23...Nd8 24.Qd2 c6 25.Re1 Ne6 26.Qd1!? Qd7 27.Bc1 Qd6!? 28.h4 Ra7?!
The engines prefer 28...h5, albeit giving White the upper hand.
29.Bg2 h5 30.Bh3
Even stronger seems to be the engines' 30.g4!?
30...f5?
Weakening, whereas 30...Ra8 keeps the game going.
31.Qe2 Kf7
There is no defence, eg after the engines' 31...Nf8 comes 32.Qe8 Qd7 33.Bg5, eg 33...Qxe8 34.Rxe8 b6 35.Bg2 Rc7 36.Bf4 etc.
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32.Bxf5!
Other moves also win, but this is the most convincing.
32...gxf5 33.Qxh5+ Ke7 34.Qxf5 Ra8 35.Bf4 Qd7 36.c5 Qd5 37.Bd6+ Kd7 38.Qf7+ Kd8 39.Rxe6 1-0
Thursday, 2 January 2025
Kraków Round Seven
I WAS downfloated.
Piotr Gasik (2038) - Spanton (2011)
QGD Exchange
1.c4 e6 2.Nc3 d5 3.cxd5!?
There are 5,098 examples of this move in ChessBase's 2025 Mega database, and it has been tried by famous names, including Blackburne, Kotov, Reshevsky, Ehlvest, Miles, Uhlmann, Bacrot, Svidler and Caruana. Nevertheless, opting for the Exchange Variation of the Queen's Gambit Declined as early as move three is regarded by theory as innocuous.
3...exd5 4.d4 c6!?
This is second in popularity to 4...Nf6, but is marginally preferred by Stockfish17 and Dragon1. The idea is to prepare ...Bf5 without being worried about the consequences of the reply Qb3.
5.Nf3
White can temporarily prevent ...Bf5 by playing 5.Qc2!?, but both 5...g6 and 5...Ne7 renew the threat.
5...Bf5 6.Bf4 Bd6 7.Bg3 Nf6 8.Qb3 Bxg3!?
Played to make the follow-up ...Qb6 possible.
9.hxg3 Qb6 10.Qxb6!? axb6 11.e3 b5 12.Nh4!?
The idea is to drive the black bishop off the b1-h7 diagonal, so the white bishop can be developed to d3.
12...Bg4 13.Bd3 g6!? 14.f3 Be6 15.Kf2
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Both sides have two half-open files. White is slightly more developed, and has the better bishop, but the engines reckon that if anyone is better, it is Black, although I cannot work out why.
15...Nbd7!?
The engines agree Black should play 15...h5, or 15...b4 and then ...h5.
16.g4 Nb6
And here their top choice is 16...0-0!?
17.g5 Nfd7 18.f4
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18...f5?
Black is equal after a move such as 18...Ke7!?, 18...h5 or 18...Nc4, according to the engines.
19.Nxg6!
Not just winning a pawn, but also weakening Black's other kingside pawns. White's advantage is worth more than a minor piece, according to the engines.
19...Rg8 20.Nh4 Rf8 21.Nf3 Bg8 22.Nh4!? Be6 23.g4 fxg4 24.Bxh7 Bg8!? 25.Bf5 Nc4 26.b3 b4!? 27.Na4 Nd6!? 28.Bxd7+ 1-0
Tipsy In The Morning
I GAVE up drinking alcohol - hopefully for ever - in early September, the result being better sleep patterns, a (slight) loss of weight and generally more vim.
It is just as well I am paying only £40 a night for my hotel room, which has proved a very good choice in almost every respect, except that the wifi last night proved not up to the job of streaming the thrilling college-football playoff game between the Texas Longhorns and the Arizona State Sun Devils.
The hotel is close to the main train station - about a 30-minute walk from the chess venue, Hotel Galaxy, and also a half-hour from the heart of the old town.
The decision has not led to improved chess results, at least in the short run, but I remain optimistic.
This morning I rose at about 07:20 and headed into Kraków old town, having a coffee in a Costa while waiting for the restaurants on Market Square to open.
The restaurants are pricey - think Central London - but the staff are friendly, and the setting is great.
I ordered a muesli at the Metropolitan (I have had the dish there before - despite its name, it consists of yogurt, fresh fruit and granola), a large orange juice and a single espresso.
The waitress warned me that the the orange would be "99," meaning 99 Polish złoty.
That sounded a lot, but I'd had a fresh juice there before and, perhaps not having woken up properly, I could not immediately work out what that was in pounds sterling, and thought perhaps it seemed expensive as previously I'd had a normal-size glass.
Anyway, the espresso and the orange arrived fairly quickly, the latter in an over-sized brandy glass.
It tasted a little strange, but I put that down to it being fresh juice, which is liable to vary.
I had a new book with me, and settled down to read it, but after about 20 minutes my food had still not arrived, so I beckoned the waitress over and politely said: "Muesli?"
She replied: "Oh, OK," and went off to the kitchen, it quickly dawning on me that my original order of muesli and a large orange juice had been misheard.
It turns out I had been drinking mimosa, which, on looking it up on the internet, is a somewhat-potent cocktail of champagne and orange juice.
I quickly sobered up, at least figuratively, working out that 99 złoty is roughly £20. My total bill, including an automatic 15% service charge, came to 185.80 złoty, or about £37.
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The offending receipt |
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A budget tree in front of my Ibis Budget hotel |
There is no fridge, and it has stools rather than chairs, but the double-bed is comfortable and the shower above-average.
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Snug bargain |
There are two Żabka mini-supermarkets nearby, and a large Carrefour, the former open on New Year's Day.
If I play when the tournament comes round again next December, I might upgrade to the next-door regular Ibis, but I would not be upset if only the Ibis Budget were available.
Wednesday, 1 January 2025
New Year, New Calendar ...
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... and a new chess pen (despite the date on the calendar, it does cover 2025, as well as the last few months of 2024) |
Tuesday, 31 December 2024
Kraków Round Six
Spanton (2011) - Hanna Bartczak (1657)
Pirc
1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nge2!?
A rare continuation - 12th-most popular in ChessBase's 2025 Mega database.
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4...c6!?
This is liked by Stockfish17 and Dragon1, along with 4...b5!?, but both lag well behind the obvious 4...Bg7 in terms of popularity.
5.h3!?
As will be seen, the idea of this is not just to prevent a black piece landing on g4.
5...b5 6.a3 Nbd7 7.g4!? Nb6 8.Bg2 Bb7!?
Possibly a novelty - the engines prefer it over the known 8...e5.
9.Ng3 Qc8?!
Taking the sting out of lines where White pushes the e pawn, followed by capturing on b5. But probably a better way is 9...Qc7.
10.b3 a5 11.Be3 Qc7!? 12.Qd2 a4 13.0-0 h5!?
This is Dragon1's top choice for a while, but it makes the black kingside brittle.
14.g5 Nfd7 15.f4 Bg7 16.f5 0-0!?
The engines reckon this is best. Perhaps the point is there is no safe haven for the black king.
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White's central and kingside space provide a springboard for attacking the black king. The engines reckon has a positionally won game.
17.Qd3 axb3 18.cxb3 Ba6 19.b4!?
This looks awkward, not least because it gives up the c4 square, but is effective.
19...Nc4 20.Nce2?
This throws away White's advantage. The engines reckon 20.Bf2 is correct.
20...Nxe3?
Black is at least equal after 20...h4, according to the engines.
21.Qxe3 Qb6?!
The engines do not like this, preferring 21...c5 (Stockfish17) or 21...Qa7 (Dragon1).
22.Rad1 Ne5?
This loses control of the f6 square.
23.f6 exf6
The engines prefer 23...Bh8!?
24.gxf6 Bh8 25.Qg5 Kh7 26.Kh1 Nd7
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27.Nxh5 Qd8 28.e5 Ra7 29.Be4 d5 30.Bb1 Re8 31.Rf4 Nf8 32.Rh4 Kg8 33.Qh6!? gxh5 34.Rxh5 Ng6 35.Bxg6 hxg6 36.Qxg6+ Bg7 37.Qh7+ Kf8 38.fxg7+ 1-0
Kraków Round Five
TOP board.
Andrzej Kawula (1922) - Spanton (2011)
Andrzej Kawula (1922) - Spanton (2011)
QGD Tarrasch
1.d4 d5 2.c4 e6 3.Nf3 c5 4.cxd5 exd5 5.Nc3 Bf6 6.Bg5!?
Stockfish17 and Dragon1 fluctuate between the text and the Schlechter-Rubinstein 6.g3.
6...Be6 7.e3 Nc6
This is a popular continuation, but the engines much prefer 7...c4!? or 7...a6!?
8.Bb5 Be7 9.dxc5 0-0 10.0-0
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Clearly the most significant factor is the isolated queen's pawn, and the engines reckon that means White has the upper hand.
10...h6 11.Bh4 Bxc5 12.Rc1
Even better, according to the engines, is 12.Bxf6!? Bxf6 13.Nxd5 Qxb2 14.Nc7 Rad8 15.Qc1!? Ba3 16.Qxb2 Bxb2 17.Nxe6, when they claim at least the upper hand for White.
12...Be7 13.Nd4 Nxd4 14.Qxd4 a6 15.Ba4 Rc8 16.Bb3
Black threatened 16...Rc4.
16...Qa5 17.Rfd1 Rfd8 18.Qd3!?
*****
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18...d4!
The engines agree this pawn sacrifice equalises.
19.exd4 Bxb3 20.axb3 Qb4?
But this is the wrong follow-up. The engines like 20...Rc7, intending ...Rcd7.
21.Na2
Even stronger is 21.Bxf6! Bxf6 22.Nd5, when 22...Qd6 23.Rxc8 Rxc8 24.Nxf6 Qxf6 gives White excellent winning chances, thanks to the passed d pawn.
21...Qa5?!
Almost certainly better is 21...Qb6, keeping pressure on both b3 and d4.
22.Rxc8 Rxc8 23.Nc3 Rd8 24.Ne4!?
There seems nothing wrong with immediately pushing the d pawn.
24...g5 25.Bg3 Nxe4 26.Qxe4 Qb4 27.Qd3 Rd5 28.Qc4 Rb5?
The engines reckon 28...Qb5 more-or-less equalises, and if 29.Qxb5 Rxb5 30.d5 then 30...Kf8 holds - White does not seem able to make progress.
29.Qxb4?
White returns the favour. Instead 29.d5 is promising, but the engines agree that definitely winning is 29.Bc7!, the point being to support the d pawn on its journey to d8, and if 29...Qxb3 then 30.Qxb3 Rxb3 31.d5 wins a piece.
29...Rxb4
Possibly better is 29...Bxb4!?, meeting 30.d5 with 30...Ba5 or 30...Kf8.
30.Rd3
White can afford to sac the b3 pawn with 30.Bc7!, and the engines reckon 30.d5!? is also better than the text.
30...Kf8 31.Kf1 Ke8 32.Ke2 Kd7 33.f3 Bf6 34.Ke3 Bg7 35.Be1 Rb5 36.g4!?
The engines like this.
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36...f5
This is the engines' second choice, but they prefer keeping lines closed with 36...Rb6!?, and if 37.d4 then 37...Re6+.
37.gxf5 Rxf5 38.Bg3 Rd5?!
The engines strongly dislike this, preferring 38...Bf6, and if, as in the game, 39.Ke4 then 39...Rb5.
39.Ke4 Ke6 40.Bf2
Even stronger, according to the engines, is 40.h4!?, and if 40...Bf6 then 41.h5.
40...Rb5?!
Another move much disliked by the engines. They suggest 40...Bf6, claiming White has no more than a slight edge.
41.Rc3
The engines like this, but again prefer pushing the h pawn.
41...Bf6 42.Be3 Rb4 43.Bf2 h5?!
This is probably weakening.
44.Be3 h4?
It was better to keep the pawns flexible.
45.h3 Rb5 46.Rd3 Rd5 47.b4!? Be7 48.Bd2 Bf6 49.Bc3 Be7 50.Rd1 Bf6 51.Ra1 Bd8 52.Rg1 Bc7 53.Bd2
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53...Rxd4+?
'Clever', but bad. It is not clear if White can make progress after, for example, 53...Bb6.
54.Kxd4 Bb6+ 55.Kc4?
White is winning easily after 55.Ke4 or 55.Kd3, according to the engines, eg 55.Ke4 Bxg1 56.Bxg5 Bf2 57.f4, and the passed pawn decides matters.
55...Bxg1 56.Bxg5 Bf2
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Dragon1 awards White the upper hand, but Stockfish17 reckons White only has a slight edge.
57.b5!? axb5+ 58.Kxb5 Kf5 59.Bd2 Ke5?!
59.Bg3 gives complete equality, according to the engines.
60.Kc4 Bd4?
This definitely loses, according to the engines, whereas 60...Kf5 and 60...Kf6 may hold.
61.b4
I cannot work out why, but the engines reckon much stronger is 61.b3.
61...Bf2
And here Stockfish17, but not Dragon1, reckons 61...Bb6!? is much better.
62.b5 Bb6?!
But now this is apparently much weaker than 62...Kf5.
63.Bg5 Bf2 64.Kd3 Kf5 65.Bd2 Ke5 66.Ke2 Bg3 67.Be3 Kf5 68.Kd3 Ke5 69.Ba7 Bf4 70.Bb6
White only draws after 70.Bb8+ Kf5 71.Bxf4?
70...Kd5 71.Bf2 Bg5 72.Be3 Be7 73.f4
The advance of the passer is decisive.
73...Bf6 74.Bf2 Be7 75.Bd4 Bd6 76.f5 Bg3 77.f6 Ke6 78.Ke4 Be1 79.Kf4 Bd2+ 80.Kg4 Be1 81.Kg5 Kf7 82.Kf5 Bg3 83.Be5 Be1 84.Bf4 Bf2 85.Bg4 Be1 86.Kg4 Kg6 87.Bxh4 (1-0, 92 moves)
Monday, 30 December 2024
Kraków Round Four
I WAS downfloated.
*****
Spanton (2011) - Stanisław Tomalak (1750)
Philidor/Pirc
1.Nc3 Nf6 2.d4 d6 3.e4 Nbd7 4.f4 e5!?
*****
*****
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*****
5.dxe5!?
Theory considers 5.Nf3 a more promising way of trying for a significant advantage.
5...dxe5 6.fxe5 Nxe5 7.Qxd8+ Kxd8
There are 356 examples of this position in ChessBase's 2025 Mega database - who stands better, if anyone, and by how much? |
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Both Stockfish17 and Dragon1 reckon the position is equal - indeed Stockfish17, at least for a time, has Black 0.04 ahead. I guess the point is that losing castling rights is not such a big deal with queens off the board, and Black has a slight lead in development, while White has an isolated pawn.
8.Bf4
This is the most popular continuation in Mega25, but the strongest players have tended to prefer 8.Bg5 or 8.Nf3.
8...Bd6 9.0-0-0 Ke7 10.Nf3!?
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10...Nxf3!?
Dragon1 at first regards this as a mistake, while Stockfish17 is happy enough with it. However, given enough time, both engines come to award White a slight edge, whereas they reckon winning the bishop-pair with 10...Nd3+! keeps the game equal.
11.Bxd6+ cxd6 12.gxf3 Bd7
The engines suggest 12...Be6!?, and if 13.Nb5 then 13...Rhd8 or 13...d5.
13.Bg2!?
A 'mysterious' bishop move, but there really is not a great alternative destination for White's light-square bishop.
13...Rhd8 14.Rhe1 Bc6
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15.Nd5+?!
White is at least slightly better after 15.Rd4 or 15.f4, according to the engines.
15...Bxd5
More-or-less forced, but good.
16.exd5+ Kf8 17.Re2?!
Stockfish17 suggests getting the bishop on on decent diagonal with 17.Bh3, while Dragon1, with a similar idea in mind, prefers 17.Bf1!?
17...Re8 18.Rxe8+ Rxe8 ½–½
I could not justify playing on. White's only decent move, according to the engines, is 19.c4, although they reckon that leaves Black with the upper hand (Dragon1) or at least a slight edge (Stockfish17), while they reckon every other move gives Black a positionally won game.
Playing Conditions
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Before yesterday's third round - all three tournament rooms are similar, with plenty of room back-to-back, and adequate space side-by-side |
Sunday, 29 December 2024
Kraków Round Three
Bogusław Czepczyński (1793) - Spanton (2011)
English Symmetrical
1.c4 c5 2.Nc3 g6 3.Nf3 Bg7 4.g3 Nc6 5.Bg2 e6 6.0-0 d5!?
Of the 4,921 games to reach the position in ChessBase's 2025 Mega database, 4,734 saw 6...Nge7.
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7.cxd5
This is most popular, and scores 61% in Mega25, albeit from a fairly small sample. Stockfish17 suggests 7.Na4!?, and Dragon1 likes 7.d4!?, neither move occurring in the database.
7...exd5 8.d4!?
The engines prefer this aggressive continuation over the slightly more popular 8.d3.
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8...cxd4!
Yury Atanazevich (2045) - Vladimir Gritsenko (2264), Veronezh Regional Championship (Russia) 2014, went 8...Nxd4? 9.Nxd4 cxd4 (9...Bxd4 is not an improvement) 10.Nxd5 Ne7? (better are 10...Nf6!? and 10...Be6, but both can be successfully met by 11.Qa4+) 11.Bg5 f6 12.Nxf6+ (1-0, 28 moves). Also bad is 8...Bxd4?, while 8...c4?! is positionally suspect in this type of position, one continuation being 9.b3!? cxb3 10.Qxb3 Nge7 11.Ba3 0-0 12.e3, when White's pressure against d5, and on the queenside, give the upper hand, according to the engines.
9.Nb5 Qb6?
Trying for too much. Black should develop the king's knight and get castled.
10.Nd6+
Somewhat surprisingly, at least to me, this seems to be a novelty. The known move, from a 1975 Romanian championship semi-final, saw 10.Qb3?!, when the engines reckon 10...Nge7 would have come close to equalising (the game was drawn anyway).
10...Ke7 11.Nxc8+
11.Bf4?! Nf6 leaves White with, at best, a slight edge, according to the engines.
11...Rxc8
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White has won the bishop-pair, and Black's extra pawn is likely to prove temporary, after which d5 will be even weaker than it is now, but the most significant factor is probably the awkward position of the black king. The engines give White the upper hand.
12.e3!?
The engines suggest queenside play, eg 12.a4 Nf6 13.a5!? Nxa5 14.Nxd4 Nc4 15.b3 Nd6 16.Be3 Qd8 17.Rxa7 with continuing pressure.
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12...d3
Trying to keep lines closed, but probably a better way to give back the pawn is 12..Nf6!? 13.exd4 Rhe8. Almost certainly too greedy is 12...dxe3?! 13.Bxe3 d4 14.Bf4.
13.Qxd3 Nf6
This is almost certainly better than 13...Nb4?! 14.Qa3 Nf6 15.Bd2 a5 16.Bc3!? Rhd8 17.Qb3 Qd6 18.Bh3, when Black remains uncoordinated, and is positionally lost, according to the engines.
14.Bd2 Rhd8 15.Qa3+ Ke8
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16.Bc3 Bf8 17.Qa4 Ne4 18.Ne5?!
The natural 18.Rfd1 gives at least a slight edge, according to the engines, but they reckon 18.Bd4?! Qb4 19.Qxb4 Bxb4 is equal.
18...Nxc3 19.bxc3 Bd6?!
Both 19...Qa5 and 19...Bg7 equalise, according to the engines.
20.Ng4!
The engines come to marginally prefer this over the more obvious 20.Nxc6, when 20...bxc6? is met by 21.Bxd5, but they reckon 20...Qxc6 leaves White only slightly better.
20...Kf8?!
Breaking the pin on the c6 knight, but 20...Be7 is probably preferable.
21.Bxd5
Even stronger, according to the engines, is 21.Nf6!?, but the text works out well for White.
21...Bxg3??
Pressure against the black king means White is better after 21...Qc5, but there is a lot of play left.
22.Bxc6 Bxh2+ 23.Kxh2 Qxc6
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*****
White has knight for pawn, but the advantage is worth a minor piece (Dragon1) or at least close to three pawns (Stockfish17).
24.Qb4+!?
More pragmatic is 24.Qxc6, eg 24...Rxc6 25.Rfd1!? Rxd1 26.Rxd1 Ke7 (26...Rxc3 27.Rd7 increases White's advantage, according to the engines) 27.Rb1 b6 28.Rb3, when White stays up knight for pawn.
More pragmatic is 24.Qxc6, eg 24...Rxc6 25.Rfd1!? Rxd1 26.Rxd1 Ke7 (26...Rxc3 27.Rd7 increases White's advantage, according to the engines) 27.Rb1 b6 28.Rb3, when White stays up knight for pawn.
24...Kg7 25.Qf4 Rd5!?
This is probably not best, but it threatens counterplay, and obliges White to be careful.
26.Kg3
The engines reckon best is the cool 26.Rad1!?, and if 26...Rh5+ then 27.Kg3.
26...Rf5
The engines prefer 26...h5 or 26...g5!?
27.Qd4+ f6 28.f4
Even stronger, according to the engines, is 28.e4!?, and if 28...Rc5 then 29.Rad1!? Rxc3+ 30.Ne3. However they reckon best for Black is 28...Qxc3+!? 29.Qxc3 Rxc3+ 30.Ne3, although they agree White is winning.
28...h5 29.Nf4 h4+!? 30.Kh2
30.Kxh4? seems to give Black a draw, and quite possibly more in practical play.
30...Rd5
There is no perpetual after 30...Qf3? 31.Qd7 Kh6 32.Ne4!
31.Qd4 Re8 32.Qf3
Not 32.Qg2? Rxe3.
32...Qc5!? 33.Rae1 Rd2!? 34.Qxb7+ Re7
*****
*****
*****
*****
35.Kg1??
BC had about two minutes, plus the 30-second increment, to make the 40-move time control.
35...Rxb7 0-1
A Little History
A TINY village on Wawel Hill, beside the Vistula river, grew into the Polish capital of Kraków by 1038, holding that position until the royal court was transferred to Warsaw in the late 1500s.
The barbican was erected in the late 1400s in preparation for an expected Turkish attack following an abortive Polish invasion of the Ottoman empire's client state Moldavia.
Kraków was destroyed by Mongols in 1241, but was rebuilt, only to be ravaged again in 1259, although a third attack in 1287 was beaten off thanks to improved fortifications.
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The city's barbican, in front of St Florian's Gate, looms out of today's early-morning mist |
That counterattack never reached Kraków, but the barbican saw action in subsequent invasions by Swedish, Transylvanian and Russian troops.
According to Wikipedia, the barbican is considered by experts to the best preserved of three such surviving European buildings.
Saturday, 28 December 2024
Kraków Round Two
Spanton (2011) - Jagwida Gasik (1752)
*****
*****
Caro-Kann Bronstein-Larsen
1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6!?
This formerly popular recapture has fallen from favour since the dramatic rise of ...exf6.
6.c3 Bf5 7.Nf3
*****
*****
*****
*****
7...Nd7!?
More popular in ChessBase's 2025 Mega database are 7...Qc7 and especially 7...e6. Stockfish17 and Dragon1 fluctuate between the latter and the text.
8.g3!?
This is easily the commonest continuation in Mega25, despite the white light-square bishop already having an open diagonal.
8...Qb6!?
Five moves are more popular in Mega25, but there is no consensus over which is best.
*****
How should White proceed? |
*****
*****
*****
*****
9.Bg2
Consistent, but the engines prefer the more popular 9.Qe2!?, which prevents Black from interfering with White castling kingside, and also defends b2, making developing White's dark-square bishop less problematic.
9...0-0-0?!
The engines reckon this is a serious error. They want Black to play 9...Qa6 or 9...Qb5, after which they reckon White is better, but much less so than after the text, which seems to be a novelty.
10.0-0 e5 11.Nh4!?
The engines prefer getting on with it on the queenside with 11.b4 or 11.a4.
11...Be6 12.Be3!?
*****
*****
*****
*****
No, is the simple answer, but the position is sharp.
12...Qxb2!?
This is Stockfish17's top choice; Dragon1 prefers capturing on d4 first, eg 12...exd4 13.Bxd4 Qxb2, but later switches to 13...Bc5.
13.Qa4!?
Possibly the wrong plan. Instead the engines suggest pushing the d pawn, either immediately or after a preliminary Rb1, eg 13.d5!? Nb6 14.Bxb6 axb6!? (14...Qxb6 15.c4 gives White the upper hand, according to the engines) 15.Rb1 with an unclear position, one line running 15...Qxc3 16.Rxb6 Bxd5 17.Bxd5 Rxd5 18.Qg4+ Kc7 19.Rfb1 Rb5 20.R1xb5 cxb5 21.Rxf6 (not 21.Rxb5?? Qc1+ 22.Kg2 Qc6+ etc) Qa1+ 22.Kg2 Qxa2, when Black is up two (doubled) pawns, but has much the weaker king, with the engines agreeing the position is completely equal.
13...Qa3 14.Bxc6!
The only way to avoid being much worse.
14...Qxa4
Not 14...bxc6?? 15.Qxc6+ Kb8 16.Rfb1 Nb6 17.Rxb6+! axb6 18.Qxb6+ Kc8 19.Qc6+ Kb8 20.Rb1+. However the engines' 14...Nb6!? seems to give equality.
15.Bxa4 a6!?
The engines reckon White is only slightly better after 15...Nb6 or 15...Kb8.
16.Bb3 Be7
The engines prefer 16...exd4!?. meeting 17.Bxd4 with 17...Bc5, and 17.cxd4 with 17...Nb6.
*****
*****
*****
*****
17.d5?
A fundamental misreading of the position. White should get the rooks into play, eg 17.Rab1 or 17.Rfe1. The text gains space, but it gives Black the c5 square and lets Black activate her kingside majority.
17...Bh3 18.Rfd1 f5
The position is equal, according to the engines, but Black has an obvious attacking plan, while White has to defend accurately to maintain the balance |
*****
*****
*****
*****
19.Ng2?!
I rejected the engines' choice, 19.Nf3!?, because of 19...Bg4, with ...e4 to come, but the engines point out the strength of 20.d6 Bf6? 21.Bd5, when 21...e4? 22.Rdb1 gives White a very strong attack. Instead they give 20...Bxf3 21.dxe7 Rde8 with what they reckon is an equal position.
19...Bd6
White's passed pawn is firmly blockaded, and now ...f4 is a major threat.
20.f4 f6!?
This may be a little slow, although the engines reckon Black still has a slight edge. They prefer 20...Rde8 or 20...h5. After the former, White could give Black three isolanis, two of them doubled, by playing 21.fxe5, but 21...Nxe5 leaves the white king looking very vulnerable.
21.Bc2 Rdg8
The engines suggest 21...Rde8 or 21...Kb8!?
22.Rf1 Rf8!?
Black is losing time. Instead 22...e4!? takes the tension out of the position, but effectively ends Black's kingside threats. The engines suggest 22...h5!?, when they reckon 23.fxe5 fxe5 24.Bxf5 Bxf5 25.Rxf5 h4 gives Black enough play for a pawn.
23.Rf2 Rhg8 24.Re1 Rf7 25.Nh4 e4
*****
*****
*****
*****
26.Ng2!? h5 27.Bd1 Rh7 28.Kh1 Nc5
Using the square that was made available to Black's pieces by 17.d5?
29.Be2 Bg4 30.Bxg4?!
This lets the black knight into d3, and helps Black improve her pawn-structure.
30...fxg4!?
The engines prefer 20...hxg4.
31.Rb1 Nd3 32.Re2 f5 33.Bd4!?
Dragon1 much prefers 33.Nh4, but Stockfish17 is indifferent.
33...Bc7
The engines suggest 33....Be7, preparing ...h4, or the immediate 33...h4!? (the idea of the latter will become apparent next move).
34.c4 h4!?
*****
*****
*****
*****
35.Nxh4 Nxf4! 36.Rf2
Stockfish17 slightly prefers 36.Reb2!? Dragon1 prefers the text for quite some time, but eventually agrees with Stockfish17.
36...Rxh4!?
Also equal, according to the engines, is 36...Nh5!?, eg 37.Rxf5 Nxg3+! 38.hxg3 Bxg3 39.Kg2 Bxh4, although there is plenty of play left in the position.
37.gxh4 g3 38.hxg3
Another line giving dynamic equality is 38.Rg1 Nh3 39.Rxf5 Nxg1 40.Kxg1 gxh2+ 41.Kh1 Rg4!, but again the position remains sharp.
38...Rxg3?!
Almost certainly better is the engines' 38...Nh5!?, eg 39.Rg1 Nxg3+ 40.Rxg3 (forced) Bxg3 41.Rxf5 (41.Rg2?? loses to 41...f4 and 41...Rg4) Bxh4 42.Rf4 Bd8 43.Rxe4, when White is a pawn up, but Black has complete equality, according to the engines.
39.Rg1?
39.Rb3 gives at least a slight edge.
39...Rh3+ 40.Rh2 Rxh2+ 41.Kxh2 Ne2+
*****
*****
*****
*****
42.Kg2?
Blocking the rook is fatal. Instead 42.Kh3 Nxd4 43.Rg8+ holds, one point being 43...Kd7 44.Rg7+ Kd6?! 45.c5+! probably gives White the better winning chances.
42...Nxg1??
42...Nxg1??
After 42...Nxd4 Black's passed pawns, supported by bishop and knight, should win easily, but the text gives a bishop-and-pawn ending that is very difficult for Black.
43.Kxg1
Material is level, but White can much more comfortably cope with Black's connected passers than Black can with White's far-apart passers |
*****
*****
*****
*****
43...Bf4 44.Kf2 Bh6 45.Bf6 Kd7 46.Bg5!? Bg7
The pawn-ending after 46...Bxg5? 47.hxg5 is an easy win for White.
47.Ke3 Be5 48.c5 a5?!
Allowing a pawn to be fixed on a dark square does not help.
49.a4 Bb2 50.Ke2
Also winning is 50.Kf4!? Bc1+ 51.Kg3.
50...Bd4 51.Be3 Be5 52.h5 f4 53.Bd2 f3+ 54.Kf2
Not 54.Ke3?? Bf4+! 55.Kxf4 f2 etc.
54...Bd4+ 55.Be3 Bf6 56.h6 Bh4+ 57.Kf1 Bf6 58.h7 Kc7!?
This is Stockfish17's top choice, briefly, which only goes to show everything loses without much chance of putting up a fight.
The game finished:
59.Bd2 b6 60.Bf4+ Kb7 61.c6+ Kc8 62.d6 1-0
Religion In Poland
AT the 2021 census 71.3% of Poles identified themselves as Roman Catholic, down from 87.6% in 2011.
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Banner on an apartment block on the edge of Kraków old town |
Friday, 27 December 2024
Kraków Round One
Bogdan Nalichowski (1608) - Spanton (2011)
Giuoco Piano
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.0-0 Nf6 5.d3 d6 6.Bg5!?
The main moves in ChessBase's 2025 Mega database are 6.h3 and especially 6.c3.
*****
*****
*****
*****
6...h6
This scores an excellent 62% in Mega25.
7.Bh4!?
This is easily the most popular continuation, even though it allows:
7...g5!?
*****
*****
*****
*****
8.Bxg5??
Also very bad is 8.Nxg5?? hxg5 9.Bxg5 Rg8. Instead 8.Bg3 is equal, according to Stockfish17 and Dragon1.
8...hxg5 9.Nxg5 Bg4 10.Nf3
Neither capture on f7 does White much good, eg 10.Bxf7+ Kd7 11.Qd2 Nh5 12.Bxh5 Rxh5 13.Nf3 Bxf3 14.gxf3 Qh4 etc, or 10.Nxf7 Qe7 11.Qd2 Rh5 12.Nc3 Nd4 13.Rae1 d5!? 14.Bxd5 Nxd5 15.Nxd5 Nf3+ 16.gxf3 Qh4 etc.
10...Nd4 11.Kh1?
The obvious 11.Nbd2 is better, but 11...Nh5, among other moves, continues White's winning attack.
11...Nh5 12.c3?!
Encouraging a move Black is happy to play anyway.
12..Nxf3 13.gxf3 Nf4!?
Also leading to a quick mate is 13...Qh4!?
14.Rg1 Rxh2+! 0-1
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