Oct-27-20
 | | Phony Benoni: I think that one's long enough to be called a pitchfork. |
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Oct-27-20
 | | al wazir: I saw the key move, after some thought, but I didn't see the continuation 30. Ne2 Qxa2+ 31. Kc1 Qa1#. |
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| Oct-27-20 | | saturn2: 29...Qa7 and white seems to lose the queen somehow 30. Qg2 Qxa2+ 31. Kc1 Rc8+ 32. Kd2 Rc2+
30. Nh3 Qxa2+ 31. Kc1 Rc8+ 32. Kd2 Qxb2+ 33. Ke3-
Rc3+
or mate
30. Ne2 Qxa2+ 31. Kc1 Qa1 |
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| Oct-27-20 | | nalinw: ??
30. Qg2 Qxa2+ 31. Kc1
31 .... Qa1# |
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Oct-27-20
 | | agb2002: Black has a pawn for a knight.
White threatens axb3.
The white rook and the pawn on a2 are defenseless. Hence, 29... Qa7: A) 30.Rc1 Qxa2#.
B) 30.R(d1-h1, g2-g4) Qxa2+ 31.Kc1 Qa1#.
C) 30.<Q or N protects R> Qxa2+ as in B. D) 30.Qxb3 Qxg1+ 31.Kc2 Qd1+ 32.Kc3 Qd2+ wins.
E) 30.axb3 Qxg1+ ends up an exchange ahead. |
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| Oct-27-20 | | Muttley101: On another note, 10. f3?
What puzzles me is how someone can get to over 2300, play the Velimirovic, and still play f3. |
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| Oct-27-20 | | Cheapo by the Dozen: Tricky for a Tuesday, in that I spent a bit of time convincing myself that 29 ... Qc2+ wouldn't work. Only after abandoning that did I find the winning fork. |
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| Oct-27-20 | | stacase: Threaten mate and attack the Rook, White's Rook can't defend. Time was wasted trying to figure how to successfully Queen the Pawn until it became apparent that White's Rook was undefended, and voila 29...Qa7 |
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| Oct-27-20 | | Walter Glattke: Looking for mate, but parade all over, am I stupid, but Tseitlin played a double attack against king and rook, wins material then. 29.Qa7 30.Re1 Qxa2+ 31.Kc1 Qa1# /30.axb3 Qxg1+ 31.Kc2 Rc8+ 32.Kd3 Qb1+ 33.Kd4 seems to be slaughtering in all variations with final mating. 30.Ne2 Qxa2+ 31.Kc1 Qa1# / 30.a3 Qxg1+ 31.Qe1 Q/Rxe1# / 30.Qxb3 Qxg1+ 31.Kc2 Qf2+ 32.Kd3 (Kd1 Qd2 Kb1 Qe1) Qd4+ 33.Kc2 Rc8+ and RxQ |
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| Oct-27-20 | | Brenin: A good Tuesday puzzle, with red herrings like Qc2+ diverting attention from the solution Qa7, pitchforking <thanks, PB!> two mating attacks. White's last mistake (among several) was 27 Nxf4, when Bc2, followed by Rc1 and Nc3 might have given the K better protection. |
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| Oct-27-20 | | hdcc: Stick a fork in white; he's done. |
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| Oct-27-20 | | Pedro Fernandez: 29...Qa7. Alekhine (the strongest chess player that has ever lived [IMO]) said that this diagonal attack on two defenseless pieces was almost always lethal and decisive. No more comments and it is not necessary I see the solution or what do machines think. |
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| Oct-27-20 | | Brenin: After 29 ... Qa7, White's only reasonable defence seems to be <agb2002>'s line (E), 30 axb3 Qxg1+ 31 Ka2, leaving him the exchange down. Now, with the White Q guarding the squares a8 and d1, where Black would like to play his R, Black will have to regroup, e.g. with 31 ... Qb6 or Qc5. Black doesn't want his Q or R to be tied down defending against back rank mates, but on the other hand he doesn't want to open up or weaken his K-side by moving his f, g or h pawns. White, on the other hand, will be only too happy to advance his K-side pawns to create opportunities for his Q & N. Black clearly has a big advantage, but it's not all over yet. |
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Oct-27-20
 | | HeMateMe: Never found the fork. I thought 30. Q-c2+, 31.R -c8 might also be winning? Overload the first rank? |
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| Oct-27-20 | | TheaN: An unusual Tuesday one-move that seems to be a simple fork at first glance, but given, it has two concepts that trouble the human mind: one, lateral queen moves, and two, long distance attacks. Perhaps the 'third' here is the fact that there are some feasible options otherwise that don't work. <29....Qa7 30.axb3> the key being that Black is threatening both 30....Qxg1+ 31.Qd1 Rxd1# and 30....Qxa2+ 31.Kc1 Qa1#. The alternatives don't stop both; the only one is 30.Nd3, following 30....Qxg1+ 31.Nc1 Rc8 32.Qf4 (else Rxc1+ with mate) Rxc1+ 33.Qxc1 and pick either 33....bxa2+ 34.Kxa2 Qxc1 -+ or the slightly more satisfying 33....Qxc1+ 34.Kxc1 bxa2 -+. <30....Qxg1+ -+> and this should be won for Black. |
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| Oct-27-20 | | TheaN: <HeMateMe: Never found the fork. I thought 30. Q-c2+, 31.R -c8 might also be winning? Overload the first rank?> Something that I definitely looked at, but it feels slow given Pb3 is in. In fact, White's best and winning is 30....Qc2+ 31.Ka2 Rc8 32.Nd3! +- and Black has nothing. That said, the straightforward 32.axb3 should win too, but the Nd3 maneuver is rather crushing for the c-file battery idea. |
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Oct-27-20
 | | beenthere240: Justice for Irina Krush. How can CG ignore her accomplishment? Do they hate women that much? |
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| Oct-27-20 | | paavoh: I'm with <Cheapo>, some time spent on Qc2+ for nothing. |
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| Oct-27-20 | | schachfuchs: Maybe again, this puzzle should have started one move earlier 28....? |
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Oct-27-20
| | MKD: <Muttley> I fully agree that 10.f3 was just a waste of time, or a tempo if you like. But what should be the right continuation? 10.h3 or 10.Bb3? |
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| Oct-27-20 | | Brenin: After what seems to be Black's best response to 29 ... Qa7, namely 30 axb3 Qxg1+ 31 Ka2, perhaps Black can afford to weaken his King's position a little in order to release his R from back-rank defensive duties, despite my earlier reservations about the wisdom of this. For example, 31 ... h6 32 gxh6 Rd1 (threatening Ra1#) 33 b4 Qd4 (threatening Qc4+) 34 Qb3 Rd2 wins the N as 35 Nh3 or Nh5 are answered with Rd3. |
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| Oct-27-20 | | Predrag3141: Stockfish (in a 6-second run) considers 29 Qxf3 (as played) to be best, even though it allows 29 Qxf3 Qa7. Allowing the bishop to remain on the board is even worse because ... Be4+ looms. Since White should accept the bishop sacrifice, the winning combination really starts a move earlier than the puzzle position with 28 ... Bxf3. |
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| Oct-27-20 | | Nullifidian: 29... ♕a7 puts the queen on the same diagonal as the undefended rook. If you try to save the rook, then you lose the game (e.g., 30. ♕g3 ♕xa2+ 31. ♔c1 ♕a1#). |
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Oct-27-20
 | | Jimfromprovidence: FWIW, after 29 ... Qa7 I used the PGN viewer of Chessgames to move pieces and continued the line with 30 axb3 Qxg1+ 31 Ka2 Qd4, below, (the threats here come after 32...e5). 
click for larger view I ran their engine for 6 minutes and these are the first 5 plies of the lines Stockfish came up with. -6.87 (32 ply) 32.Ne2 Qxh4 33.Qg2 Qb4 34.Nc3 Rb8 35.Kb1 Qxb3 36.Qd2 Qb6 -7.36 (32 ply) 32.h5 Qa7+ 33.Kb1 Qg1+ 34.Ka2 Qxg5 35.Ne2 Qa5+ 36.Kb1 Rd1+ Looks like there is a lot of play left even with the lousy evals for white. |
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| Nov-09-20 | | Muttley101: MKD: <<Muttley> I fully agree that 10.f3 was just a waste of time, or a tempo if you like. But what should be the right continuation? 10.h3 or 10.Bb3?> Sorry, just seen your post and question.
I would play 10. Bb3 on the grounds "it is the Velimirovic attack". That's where the bishop belongs, though sometimes Bc4-d3 is played (eyes on h7). The problem with f3 isn't just that it is unnecessary, it also blocks white from playing Qh5, which figures in some Velimirovic lines; there are some lovely combinations featuring Qh5 and various sacs to attack black's king. Rhg1, preparing g4, is also a thematic move. Though g4 can often be played directly without it, the rook is useful on the g-gile. with the Bb3 if black doesn't take it off, g2-g4-g5-g6 and tactics based on g-file and f7 pin happen. There are also examples of successful attacks by white saccing the e-pawn and getting on with it. The famous game in which white got punished for his erroneous f3 is Fischer-Larsen, but the Velimirovic wasn't suited to Fischer's style. Although he won with it as well as losing two famous games (the other a miniature against Geller, though Geller was busted in that one) Fischer was not at his best in positions which were complex and messy, and more to the point, where his king was also under attack. Fischer vs Larsen, 1970 Fischer's mishandling of the attack culminates with 14. f3, though the preceding pawn pushes are slow and prove ineffectual. So, too slow, lines not opening, pieces ineffective. Different position, but same objection to f3. For games with the Velimirovic, check out the man himself :D https://www.chessgames.com/perl/che... You can use "find similar games" if you go through games in that list which also unlocks many good games with the Velimorovic, and gives a more varied feel of playing the positions that arise. Have fun :) |
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Kibitzing
sac: 28...Bxf3