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| Jul-20-15 | | unferth: <stst> 30 ... Rb7 and there's no mate. Black's in a severe bind, but maybe he can get untangled in time to make his material edge count |
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| Jul-20-15 | | Steve.Patzer: Back it up to 28. Rb6 .... Black to move. |
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| Jul-20-15 | | stacase: I looked way too long at 29. RxA7
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| Jul-20-15 | | Caissas Clown: <lost in space>: I love Mondays!
Beside the winning move 29. Bd5+ you have to see that 29. Rb8+ Rxb8 30. Bd5+ Rb7 is the wrong way for White. I saw that - AFTER I chose Rb8 !
I'm gettin' too old to try to solve these things standing up!
Especially as it's my first Monday fail since ...oh I don't know .... since Botvinnik was WC :-). |
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| Jul-20-15 | | agb2002: White has a rook for a knight and a pawn.
The black rook stops 29.Rb8#. Hence, 29.Bd5+:
A) 29... Rxd5 30.Rb8#.
B) 29... Bc6 30.Bxc6#. |
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Jul-20-15
 | | scormus: <Phony Benoni: That's one ....> Good luck, Mr. Gorsky <;)> |
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| Jul-20-15 | | saturn2: Bd5 and after either Bc6 or RxBd5 mate next.
Playing over the game I dont see the absolute necessity of black's 23th move 23..Rxb6. 23..axb6 should also work and b8 is covered by two black pieces then. |
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| Jul-20-15 | | Oxspawn: An offbeat Monday where black gets to choose how to be checkmated …
28 Bd5+ Bc6
29 Bxc6#
Or
28 Bd5+ Rxd5
29 Rb8#
Bishops and rooks – they have all the angles covered. |
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| Jul-20-15 | | morfishine: <29.Bd5+> and mate next move: 29...Rxd5 30.Rb8# or 29...Bc6 30.Bxc6# ***** |
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| Jul-20-15 | | mikealando: Sacs that send a shudder down your spine. I looked at Bd5 but failed to consider any possible advantages of "losing" the bishop to Rxd5 (??)!. |
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| Jul-20-15 | | wooden nickel: How about one giant step for a bishop, one small leap for checkmate, with 29.Bb8 instead?
... actually many moves win in this position, 21... Rxb7 was a booboo! after having played a good game!
Interesting opening line of the Alapin Sicilian, here a good example
E Relange vs Nunn, 1998 |
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| Jul-20-15 | | zb2cr: Bishop sacrifice! 29. Bd5+, Rxd5; 30. Rb8#. If Black tries 29. ... Bc6; 30. Bxc6# is mate--the Black Knight at a7 is pinned and cannot take on c6. |
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| Jul-20-15 | | whiteshark: <29.Bd5+!>, and that's it. |
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| Jul-20-15 | | schachfuchs: On the 1st quick look, I only found 29.Bb8 RxB 30.Bd5+ Rb7 31.Rxb7 ...
Or is there any escape for black? |
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| Jul-20-15 | | mel gibson: Very easy puzzle but:
21...Rxb7 was a bad move.
DR4 64 bit says instead 21.....Kxb7
which leads to a draw. |
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Jul-20-15
 | | gawain: Draw the rook from the 8th rank with 29 Bd5+ and follow up with 30 Rb8#. Now to replay the game and find out how White managed to aim so many pieces at the exposed Black king. |
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| Jul-20-15 | | TheTamale: This took me a while to get! I saw the 2 motifs, but it didn't occur to me to combine them. More coffee, please. |
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| Jul-20-15 | | patzer2: Here's my look at the game and the Monday puzzle position (29. ?) with the chessgames.com Opening Explorer and Deep Fritz 14: <1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4> This is frequently played (674 games with 5...Bg4 in the OE), but the more popular move is 5...e6 (1300 games in the OE) as in
I Salgado Lopez vs Svidler, 2015 or S Zhigalko vs A Giri, 2014 . <6. dxc5 Qxd1+> This is the Fritz preference and the
second most popular move (63 games in the OE). A slightly more popular alternative with 85 games in the OE is 6... Qxc5 as in D Spence vs R Edouard, 2015. <7. Kxd1 e5 8. b4 e4 9. h3 Bh5> Not so good for Black is 9... exf3? 10. hxg4 when Fritz indicates play might continue 10...a5 (Not 10... fxg2?? 11. Bxg2 Nc6 12. Re1+ Be7 13. g5 O-O-O+ 14. Bd2 Nd5 15. b5  ) 11. g5 Nd5 12. gxf3 axb4 13. Bc4 Nxc3+ 14. Nxc3 bxc3 15. Rb1 Nc6 16. Kc2 O-O-O 17. Be3 Nd4+ 18. Kxc3 Bxc5 19. Rbd1 b5 20. Bxf7 Ne2+ 21. Kb3 Nd4+ 22. Kb2 Kb7 23. g6 h5 24. Rh4 Nf5 25. Rxd8 Rxd8 26. Rxh5 Nxe3 27. fxe3 Bxe3 28. Rxb5+ Ka7 29. Kc3 Rd6 30. Rf5  (+1.58 @ 23 depth, Deep Fritz 14x64). <10. g4 Nxg4!> This is best. It is by far the most popular move and the Fritz first choice. <11. hxg4 Bxg4 12. Nbd2 exf3 13. Nc4> The more popular move is 13. Bd3 (22 games in the OE), but White won all 3 games in the OE with 13. Nc4. <13...Nc6 14. Bf4 O-O-O+ 15. Kc2 Bf5+ 16. Kb2 f6 17. a4 g5 18. Bh2 h5 19. a5 Rh7 20. a6 h4 21. axb7+ Rxb7?> This is a mistake. Better for Black is 21... Kxb7! when play might continue 22. Kb3 Be6 23. Kc2 g4 24. b5 Bf5+ 25. Kb3 Bxc5 26. bxc6+ Kxc6 27. Ra6+ Bb6 28. Na5+ Kc5 29. Bf4 Re8  (-0.51 @ 21 depth, Deep Fritz 14). <22. Ra6 Bd7?> Black has a really bad position and is probably lost against best play. However, this surrenders the full point too easily. In order to put up more resistance with practical drawing chances, Black needs to try 22... Nxb4 23. cxb4 Rd1 when Fritz indicates play might continue 24. Rc6+ Kd8 25. Rxf6 Rxb4+ 26. Kc3 Bg7 27. Be5 Rbb1 28. Rxf5 Rbc1+ 29. Kb4 Rb1+ 30. Ka4 Bxe5 31. Nxe5 Rxf1 32. Rxf1 Rxf1 33. Rxf3 (+2.61 @ 20 depth, Deep Fritz 14). <23. Nb6+!> This begins White's decisive combination, which sets up our (29. ?) puzzle position. <23...Rxb6 24. cxb6 Kb7 25. bxa7 Be7 26. Bc4 Be8 27. Rha1 Ka8 28. Rb6 Nxa7 29. Bd5+ 1-0> This begins the two-move mate which solves today's Monday puzzle. |
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| Jul-20-15 | | kevin86: White mates next move by the rook, if the bishop is captured or the bishop if the black bishop interposes (as the knight is pinned) |
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| Jul-20-15 | | BOSTER: This is a big dissonance between brilliant queen's sacr by Nezh ( Sunday POTD) , and lack of courage by FIDE Trainer to sacr the knight
for many pawns to open white king in the pos. Black to play 22...
click for larger view |
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| Jul-20-15 | | starry2013: Probably took me 5 minutes or so to get this. I was definitely looking at the rook sacrifice first. The bishop move was a check but only when I came back to that option did I realise I could afford to sacrifice it. I was looking at the rooks, rook sacrifice not working. Then looking to get more pressure with the rooks like Ra6. Saw black defends Rd7, maybe I attack then with bishop. But this got me thinking about that black rook and how it does the defending and suddenly I saw a way to get rid of it with that sacrifice. |
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| Jul-20-15 | | pericles of athens: bishop check, 1-0. could be easiest puzzle to date. |
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| Jul-20-15 | | HowDoesTheHorsieMove: Tough Monday, but I eventually got it. I never considered Rb8, but Stockfish says that's a draw. |
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| Jul-20-15 | | TheFocus: 1.Bd5+ and you can start gathering up your pieces. On to the next game! |
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| Jul-20-15 | | CHESSTTCAMPS: Black has knight plus pawn for a rook, but with king trapped in the corner, knight pinned, and rook tied to defense of the back rank, has no consequential threats. White can checkmate in two with 29.Bd5+ Rxd5 (29... Bc6 30.Bxc6#) 30.Rb8# |
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