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| Aug-25-20 | | stacase: <boringplayer:...I'm certain I would have grabbed the roof on a8.> Me too. |
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| Aug-25-20 | | agb2002: The bishop on b7 is defenseless and the rook on a8 has no available squares. Hence, 8.Nxf7: A) 8... Kxf7 9.Ne5+ and 10.Bxb7 wins decisive material. B) 8... Qc7 9.Nxh8 wins an exchange and a pawn at least. C) 8... Bxf3 9.Bxf3 (probably simpler than 9.Nxd8 Bxg2 10.Rg1 Bd5) 9... Kxf7 10.Bxa8 wins decisive material. |
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| Aug-25-20 | | newzild: Unusually for my good self, I got 11 White moves in a row - from 8. Nxf7 until 19. e4 (I went for 19. Bd2 instead). |
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Aug-25-20
 | | OhioChessFan: Black played on far too long. |
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| Aug-25-20 | | et1: 9. Ng5 also wins. |
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| Aug-25-20 | | newzild: <<et1>: 9. Ng5 also wins.> 9. Ng5 Bxg2
10. N (either) xf7 Qd5
11. Nxh8 Bxh1
Looks bad for White. |
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| Aug-25-20 | | morfishine: Bu-deh, bu-deh, bu-deh <8.Nxf7> and that's all folks |
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| Aug-25-20 | | Walter Glattke: 9.Ng5 is check Ng5+ 9.-Kg6 10.Nxe6 or 9.Bxb7 one must not play Ne5+ |
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| Aug-25-20 | | awfulhangover: Lol, this was so fun. And 12. Qb3 was brilliant! |
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| Aug-25-20 | | Brenin: 9 Ng5+ Kg6 10 Qc2+ Kxg5 11 d4+ Kh5 12 Bxb7 looks like fun for White. |
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| Aug-25-20 | | Thomas Van Winkle: I am not a very good player. Could you please help me understand what this makes this puzzle a Tuesday puzzle? Thanks. |
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| Aug-25-20 | | drollere: like others, i don't see the advantage to the game line, which wins two pawns, over 12. Bxa8 Qxa8, 13. O-O which wins a pawn and the exchange ("three pawns"). |
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| Aug-25-20 | | Pedro Fernandez: This puzzle is badly classified. It is a very easy one. |
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| Aug-25-20 | | RandomVisitor: <Thomas Van Winkle>After 8.Nxf7! Kxf7 9.Ne5+ the black bishop on b7 is now attacked by the white bishop on g2 - white will recover his piece at least a pawn up. After Bxb7 white can now win the exchange with Bxh8. The sequence takes some thought and has been classified by chessgames as a Tuesday difficulty - sometimes they over/under classify the problem difficulty. |
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| Aug-25-20 | | Pedro Fernandez: My great <morfishine> is right! |
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| Aug-25-20 | | Brenin: <drollere>: The game line actually wins three pawns (f, b and then c) rather than two, it keeps the two bishops, including a mighty one retreating to g2 where (if necessary) it can defend the king, it keeps the initiative, and leaves Black with a weak pawn on e6. The lines involving Bxa8 Qxa8 cede the long diagonal to Black's queen, leave White undeveloped, and give Black the initiative after h5 and Be7. I think White showed excellent judgment in playing 12 Qb3. |
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| Aug-25-20 | | jith1207: <Thomas Van Winkle>: Monday puzzle
(Very Easy) is usually beginner level, with a straightforward, non-complex, usually one-step (two to mate) solution. Tuesday puzzle (Easy) asks the readers to find out, first of all, if the given chess position leads to a quick mate or gains big advantage by winning a piece or more. Today's example is the latter. This may include more than one variation to choose. Wednesday puzzle (Easy / Medium) usually involves finding out a smaller sequence of moves, asking the reader to calculate few variations and may include more than one way to get a checkmate or a big advantage. Puzzles may include very good positions that requires from the reader understanding of end games while playing with all combinations of minor or major pieces along with the king. Thursday puzzle (Medium / Hard) usually involves little more complex solution, where the reader may need to figure out a tactic or more hidden in the position, that would lead to a checkmate or winning advantage. Puzzles from here onwards may involve a brilliant defensive move or more that the reader will have to anticipate and prepare a line of attack for each of them. Friday puzzle (Difficult) involves finding more than one tactics or figuring out a strategy to break down a chess position that leads to a clear advantage. This puzzle level onwards usually asks for very good skills in understanding positions, calculating a lot of variations and understanding the line of attacks from both sides where a small misstep could give the opponent all the tempi to produce a counterattack. Puzzles from here onwards may not always lead to a checkmate quickly, but the losing player would've to give up a lot of material to stop the mating net, so getting a won endgame would be the ultimate goal. Saturday (Very Difficult) and Sunday (Insane) puzzles would involve a long sequence of strategical battle equipped with a lot of tactics that requires the reader very good, master-level understanding of chess positions and ability to calculate much deeper for multiple moves for many variations for both sides, that improves our understanding of chess in all stages of the game until endgame. Puzzle complexity increases and trains you to compete at higher level as the week progresses. |
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| Aug-25-20 | | King Harvest: 6...b5? is just terrible -- nearly forcing white to find the strong 7.Nce5. |
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Aug-25-20
 | | Breunor: I ran white's 11th move through Stockfish. If you run it real fast. It gives Qb3 as best. When I ran it for a minute, it prefers 11 Nxd7 Nxd7 12 Qb3 c4 13 Qe3 Nc5. 14 b4 cxb3 15 d4. Overall score is a little under 5. Second best move is given as 11 Nc6.
I get the impression that Stockfish views white's LSB as worth at least as much as the black rook. This scores a little more than 3.5 |
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| Aug-25-20 | | Thomas Van Winkle: Random and jith - thanks. |
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| Aug-25-20 | | TheaN: <8.Nxf7 Kxf7> after 8....Bxf3 9.Bxf3 +- seems a lot more consistent, keeping tabs on Ra8 and Qd8, meaning Black will have to throw the exchange anyway and White keeps the bishops. <9.Ne5+ with 10.Bxb7 +->. I stopped here due to material gain, but White's continuation is interesting. After 9....Kg8 White claims more initiative than getting material after 10.Bxb7 Nbd7 11.Nxd7 Nxd7 12.Qb3!, which is fine, but after 12....c4 White drops the ball for the first time with 13.Qxb5?! rather than 13.Qe3! Of course, Black should have, imo, resigned after 8.Nxf7. Pieces in the box, get a beer, do something else. Happens to the best :> |
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| Aug-25-20 | | Brenin: <TheaN>: The engines may prefer 13 Qe3, but the continuation 13 ... Nc5 14 b4 cxb3 15 axb3 (d4!?) Rb8 16 Bg2 Qb6 leaves White only one pawn up, though with much better position, whereas the game line nets three pawns and a better position, so I think 13 Qxb5 was best. However, I agree that Black should have resigned much sooner. |
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Aug-25-20
 | | eternaloptimist: I saw the ♘ fork threat, followed by the ♘+ & taking the hanging ♗. Then it’s clearly a +- |
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| Aug-26-20 | | RandomVisitor: After 8.Nxf7:
click for larger viewStockfish_20082118_x64_modern:
<58/84 18:03:22 +6.55 8...Bxf3 9.Nxd8 Bxg2 10.Nxe6 Bxh1 11.f3> Kd7 12.Ng5 Nc6 13.d4 cxd4 14.Qd3 Kc7 15.Bd2 a6 16.a4 Be7 17.Ne6+ Kb6 <57/81 18:03:22 +6.86 8...Kxf7 9.Ng5+ Kg8 10.Bxb7> Nbd7 11.Nxe6 Qb6 12.Bxa8 Qxe6 13.0-0 Be7 14.Bg2 Kf7 15.d4 cxd4 16.Qxd4 Bc5 17.Qd3 Re8 |
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| Aug-26-20 | | morfishine: Good to see you Dear <Pedro Fernandez>! I look forward to kbitzing with you when the next online tournament gets started! |
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