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May-09-17
 | | An Englishman: Good Evening: Never saw 2...a6 before, but it seems like a terrifically hyper-aggressive response to the Closed Sicilian. Funny how both players pretended the Rd5 wasn't threatened by the Bg2.. 28.Bxh5 almost begged Black to bring the game to a quick and merciful end. |
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| May-09-17 | | Doniez: Easy solution however what I appreciated most is the terrific and continuous attack of black pieces starting from move 2. |
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| May-09-17 | | agb2002: Black has the bishop pair for a bishop and a knight. The rook on d1 aims at the black queen.
The bishop on b7 suggests 30... Rxh3+ 31.Kxh3 Rh8+ 32.Kg4 f5#. |
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| May-09-17 | | ChessHigherCat: The rook on d5 had a charmed destiny: en prise for 5 moves in a row (starting from move 23) until white scorned it entirely by taking a pawn instead with 28. Bh5. I bet white was kicking himself for sparing that rook after 29..Rh5 and 30..Rh3 |
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| May-09-17 | | saturn2: mate in 3, everything with check and forced. |
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| May-09-17 | | saturn2: 17 Be1?
White missed the chance to open files against the black king on the queenside. |
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| May-09-17 | | patzer2: Here's my look at today's Tuesdsay puzzle (30...?) and game with the chessgames.com opening explorer, Komodo and Stockfish: <1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. f4> This is probably OK, but after 6...d4 = I think Black is fully equal. The computer preference is 6. Nh3 = (0.10 @ 36 depth, Komodo 10.4) as in White's win in Wen Yang vs V Artemiev, 2016) The popular try is 6. Nf3 = (0.14 @ 27 depth, Komodo 10.4) as in White's win in Wen Yang vs V Artemiev, 2016) <6... d5 7. e5> This is the popular move, but it seems to favor Black. White also has a losing record with other frequent tries, such
as 7. Qe2 in Black's win in R Bellin vs E Berg, 2011 and 7. exd5 in Black's win in V Prosviriakov vs Khenkin, 2016) <7... Nh6 8. Nf3 Nf5 9. Qe2 Nc6 10. Qf2 h5 11. O-O Qc7 12. Ne2 d4 13. Bd2 Be7 14. a4 b4 15. h3 O-O-O 16. Rfc1 c4 17. Be1 c3 18. bxc3 dxc3 19. Kh2 Rd5 20. Qg1 f6 21. exf6 gxf6 22. Bf2 Rg8 23. Ne1 Qd7 24. d4 Rd8 25. Rd1 Na5 26. Nd3 Nc4 27. Bf3?> Allowing the potential winning
27...Nd2 28. bg2 Ra5  (-1.95 @ 28 depth, Stockfish 270217), this seems to be the losing move. Instead, White survives after 27...Rab1 a5 28. Rb3 Ba6 29. Nxc3 bxc3 30. Rxc3 Qxa4 31. Bxd5 Rxd5 32. Nb2 Qb4 33. Rb3 Qd6 34. Rc3 Qb4 35. Rb3 Qd6 36. Rc3 Qb4 = (0.00 @ 28 depth, Stockfish 8) with a draw by threefold repetition. <27... a5 28. Bxh5?> This makes the win easy for Black after 28...Nxd4 (-4.44 @ 28 depth, Komodo 10.2) <29. Nxd4 Rxh5 30. Nb5> This allows mate-in-three. Putting up more resistance but still losing
is 30.h4 Nd2 (-4.75 @ 27 depth, Komodo 10.3)
<30...Rxh3+> This move initiates mate-in-three to solve the Tuesday, May 9, 2017 chessgames.com
puzzle.
<31. Kxh3 Rh8+ 0-1> White resigns in lieu of 32. Kg4 f5#
0-1 |
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| May-09-17 | | patzer2: Black's poisoned pawn offer 16...c4 (diagram below) is instructive:
click for larger viewIf 17. dxc4?, then Black gains a decisive advantage with 17...Na5 (-2.01 @ 31 depth, Stockfish 8) as play might continue 18. b3? d3! 19. cxd3 (not 19. Rab1? Bc5 ) 19...Nxb3 (diagram below) 
click for larger view |
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| May-09-17 | | Swedish Logician: <notyetagm> Black's central domination at move 28 is indeed stunning and reminded me of the position after move 32 in M Stolberg vs Botvinnik, 1940 . This game also ends a few moves later with a rook crashing through at h3. |
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| May-09-17 | | Cheapo by the Dozen: I love Tuesdays! |
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| May-09-17 | | morfishine: <30...Rxh3+> and mate real soon The key was seeing that after the check with the second rook <31...Rh8+> White King has one move 32.Kg4, but then its mate <32...g5#> ***** |
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| May-09-17 | | whiteshark: M.M. found that even after twelve years in his new home he wasn't happy and comfortable playing in the <closed Sicilian> ... #PerfectTuesday |
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| May-09-17 | | Walter Glattke: 28.Bxh5? opens lines for black heavy figures, madness,some people should play cards but not chess! |
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| May-09-17 | | Iwer Sonsch: It's Tuesday, so let's look for chain checks:
30...Rxh3+ 31.Kxh3 e5+ 32.g3 Rh8+ 33.Bh4 holds, so let's switch up the order: 30...Rxh3+ 31.Kxh3 Rh8+ 32.Kg4
click for larger view
Now 32...e5 isn't mate, but 32...f5 is. |
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| May-09-17 | | zb2cr: The White King has no moves. In such a position, seeking a check is obvious. This leads us to looks at 30. ... Rxh3+; 31. Kh3, Rh8+. Now White must come forward to g4, where he can be dispatched by 32. ... f5#. |
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May-09-17
 | | gawain: A pleasing mate, once again delivered by the lowly pawn. A theme for the week? |
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| May-09-17 | | whiteshark: 
click for larger viewblack to move (#3) |
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| May-09-17 | | patzer2: Correction: The popular try is 6. Nf3 = (0.14 @ 27 depth, Komodo 10.4) as in the draw in Y Boidman vs P Makoli, 2015. |
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| May-09-17 | | patzer2: Correction: <1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. f4> This is probably OK, but after <6...d5 => I think Black is fully equal. |
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| May-09-17 | | pawndude88: Pawns can mate too. That should be worth a pun. |
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May-09-17
 | | Jimfromprovidence: If 32...e5+ 33 f5, black to play and mate.
click for larger view |
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| May-09-17 | | swclark25: Felt good to see all the moves to 32)..f5++
Agree with <An Englishman> and <ChessHigherCat> about the charmed life of the Rook on d5. Many chances to take it! I had trouble following lots of the middlegame moves. |
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| May-09-17 | | Iwer Sonsch: <Jimfromprovidence> 33...Rg8+ A) 34.Kh5 Qxf5+ and either Qh7# or Bf8#.
B) 34.Kh3 Qxf5+ 35.g3 Qf3+ and Rh8 mates.
C) 34.Kh4 Qxf5
C.1) 35.Nd6+ Bxd6; 35.Na7+ Kb8 36.Nc6+ Bxc6
C.2) 35.g4 Rh8+ 36.Kg3 Qf3#
C.3) 35.Nf4 Rh8+ 36.Nh5 Qxh5#
C.4) Other moves 35...Rh8#. |
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| May-09-17 | | Iwer Sonsch: Stockfish sees an even faster move. Can you find it? |
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| May-09-17 | | Strelets: Sasikiran finds a rook sacrifice that forces White's king to walk the plank after achieving positional domination against an opening that can cause problems for devotees of 1...c5, the Closed Variation. I'm definitely going to give his aggressive queenside expansion a try against it. |
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Kibitzing
sac: 30...Rxh3+