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Later Kibitzing> |
| Jan-03-07 | | nimzo knight: I feel 19. Rd5 was a strong continuation. By this move black's position is pretty messy and there should be a way to exploit it. |
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| Jan-03-07 | | Holmstrom: Great puzzle! |
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| Jan-03-07 | | DeepThought: Got it. Still 100% in 2007 :-) |
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| Jan-03-07 | | dzechiel: Looked at the rook sac first and when that didn't work considered the queen sac. That led to a pretty mate in four. Probably looked at everything for 15 or 20 seconds. |
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| Jan-03-07 | | haha: haha, i got it! Nice Queen sac.
Bullseye, today >:D |
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| Jan-03-07 | | Themofro: A nice puzzle. I had initially thought of Rxa3 but couldn't see a forcng combination, so i looked some more and saw Qxa3 which wins quite nicely. A great counterattack. |
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| Jan-03-07 | | Billy Ray Valentine: nimzo knight: I assume you meant to say you thought 19. Rd4 was a strong continuation? |
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| Jan-03-07 | | Timetraveller: <nimzo knight> I also assume you meant 19. Rd4 is strong, and it would be except for the reply 19... Nb3+ |
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| Jan-03-07 | | Billy Ray Valentine: The more I look at this, I see no clear winning possibilities for white after his piece sacrifice. Perhaps he should have been content to play 19. Ng5 and settle for a perpetual check after 19...Bxg5 Qxg5+ |
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| Jan-03-07 | | Archives: Wow I found this as easy as the usual monday puzzle. |
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| Jan-03-07 | | Fisheremon: <Billy Ray Valentine: However right or wrong, my first instinct in that position would be to see if 22...Kf7 was viable (with the idea of moving the king to the queenside) and eventually attempting to win by exploiting white's positional weakness of doubled, isolated h-pawns.> 22...Kf7 is lost for Black as his King can't evacuate in time to the queenside as 23.Rhg1 Ke8 24.Rg8+ Rf8 25.Rg7 Rf7 26. Qg6 (or Qh8) with next Rg8 trapping Queen.
<Billy Ray Valentine: The more I look at this, I see no clear winning possibilities for white after his piece sacrifice. Perhaps he should have been content to play 19. Ng5 and settle for a perpetual check after 19...Bxg5 Qxg5+> 19. Ng5 better still hard enough for White to equalize, e.g. 19...Bxg5 20. Qxg5 Ng7 21. c5 bxc5 22. Qg4 Nb3+ 23. Kb1 Qf7 24. Rhe1 Nd4 25. Bxd4 cxd4 26. Rxd4 Qxf2 etc.
A better chance for White was 18.Qxe8 with compensation. Seemingly 14.Bxh7+ was not correct, as Black could gain a pawn and positional advantage 15...Bxf3 (instead of 15...g6) 16.gxf3 Nxc4 17.Bd3 Nxe5 18.Ba6 Rc7 19.f4 Ng6 20.f5 Ngf4 21.Kb1 Bf6 etc. |
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| Jan-04-07 | | Billy Ray Valentine: Fisheremon: thanks. I forgot about the Rook on d1 which makes 22...Kf7 impossible due to 25. Rg7 as you point out. I don't know how I missed 20...Ng7 in your other point. Ultimately I did think that white's sacrifice was not correct. White should have taken the draw with 23. bxc3 instead of playing the losing 23. Kb1. |
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| Jan-04-07 | | ALEXIN: Ok. Was a little obvious but beautiful combination ! |
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| May-16-13 | | nummerzwei: Treppner's move 19. h4 deserved attention, with the idea of taking on g5 with the h-pawn. |
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Apr-10-24
 | | Korora: "Take my wife -- please!" |
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| Apr-10-24 | | King.Arthur.Brazil: I didn't find it easy, but let's go: 24...Qxa3+ 25. bxa3 Rc2+
A) 26. Ka1 Nb3+ 27. Kb1 Rd2#,
B) 26. Kb1 Rd2+ 27. Kc1 Nb3#, or
C) 26. Kb1 Rd2+ 27. Ka1 Nb3#. |
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| Apr-10-24 | | mel gibson: I should have looked longer -
it's a simple mate in 4.
Stockfish 16 says mate in 4:
24. .. Qxa3+
(24. .. Qxa3+ (1. ... Qxa3+ 2.bxa3 Rc2+ 3.Ka1 Nb3+ 4.Kb1 Rd2+) +M4/245 3) |
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| Apr-10-24 | | saturn2: White has Rg1 so black has to do everthing with check. Qxa3 Rc2 Rd2 Nb3 are all checks. |
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| Apr-10-24 | | Refused: White is threatening to play 25.Rg1+ (either rook will do). Thus decissive actions are required. 24...Rxa3+ 25.bxa3 is going nowhere.
thus by elimination we arrive at
24...Qxa3+! 25.bxa3 Rc2+ with a very minor split, but all roads lead to Rome in the end here. a) 26.Kb1 Rd2+ 27.Kc1 (or a1) Nb3#
b) 26.Ka1(or c1) Nb3+ 27.Kb1 Rd2# |
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| Apr-10-24 | | Mayankk: Black King is out in the open and needs desperate help to stave off mating threats like 25 Rhg1+. One such desperate try is 24 ... Qxa3+. 25 bxa3 Rc2+ 26 Kb1 ( 26 Ka1 Nb3+ is similar). And now suddenly we find the White King targeted by Black Rook, Bishop and Knight. Mate could be possible and indeed it is. 26 ... Rd2+ 27 Kc1/Ka1 Nb3#. Note that other discovered checks may prolong the game. 26 ... Rxf2+ 27 Rd3 Bxd3+ 28 Kc1 Nb3+ 29 Kd1 and the game gets longer. |
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| Apr-10-24 | | Lambda: I didn't see the idea of Rc2 becoming check, so I ended up with 24...Rg3 to block the g-file, which would actually be a good move, resulting in a knight against two pawns advantage, if there wasn't a forced mate. |
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| Apr-10-24 | | TheaN: The text shows this is a forced #4, the alternatives only switch the moves or lead to a different end position: 26.Ka1 Nb3+ 27.Kb1 Rd2# and 27.Kc1 Nb3#. However, just posting lines is half this puzzle, this combination seems unique and I haven't seen something similar. At a certain point I thought Black would be having a neo-windmill with the knight covering a1 and the windmill originating from c2, but no, it was just mate. <mel gibson: I should have looked longer -
it's a simple mate in 4.>
Mate in 4, yes, simple, no. As a puzzle it's relatively simple, otb this is terrible to spot because one, you don't sac the queen everyday and two, at first glance it seems better to go rook first (24....Rxa3+? +-). |
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| Apr-10-24 | | Messiah: <Lambda: I didn't see the idea of Rc2 becoming check> Exactly the same in my case. It was difficult to find the solution this way. |
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Apr-10-24
 | | Check It Out: 24...Qxa3+ and all roads lead to mate. |
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Apr-10-24
 | | takebackok: Yes, easy (after a think) queen sac Wednesday. 3 pieces against lone king it's over and out asap. |
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Kibitzing
sac: 24...Qxa3+