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Later Kibitzing> |
| Jan-02-17 | | agb2002: White has a bishop and a knight for a rook.
White can simplify the position with 44.Qh8+ Kxh8 45.Nxf7+. For example, 45... Kg7 46.Nxg5 Rxd3 47.exd3 Rc3 48.Bd5 Rxd3 49.Ne5 Rd2+ 50.Ke1 followed by Nc6 and well timed a5, b4, etc. |
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| Jan-02-17 | | whiteshark: Game Collection: 665_Tactical motif ROYAL FORK |
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| Jan-02-17 | | et1: The first move was obvious, but all the other the that followed, not quite ! Happy New Year ! |
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| Jan-02-17 | | saturn2: White can exchange queens and win the f7 pawn. But i wondered if this is really a puzzle solution. |
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| Jan-02-17 | | schachfuchs: Me too, I wanted to refer to the game Alekhine vs Euwe, #9 in J. Gustaffson's ranking of the "10 größten Fehler der Schach-WM-Geschichte" https://www.youtube.com/watch?v=Wm3... |
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| Jan-02-17 | | The Kings Domain: Sweet puzzle and solid game. |
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| Jan-02-17 | | morfishine: <44.Qh8+> followed by <45.Nxf7+> forking the Black Queen and emerging a piece up Reminds me of a similar sac Alekhine missed eons ago vs Euwe ***** |
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| Jan-02-17 | | saturn2: Me the knight fork reminded of petrosian vs spassky |
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| Jan-02-17 | | whiteshark: <schachfüchslein> and here's another easy one of a namesake: J Fuchs vs M Kaydanovich, 2016 (and it's Jan Gustafsson if I would be nitpicky) ;) |
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| Jan-02-17 | | Mayankk: First thought was to sack knight at f7 and then try and check with black's queen, hoping either the rook or bishop can join in. Then saw the queen sac, knight fork and the result being black a pawn up. |
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| Jan-02-17 | | Carlos0012358: <morfishine> I think Karjakin remembered the Alekhine vs Euwe game too and avoided the same error. |
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| Jan-02-17 | | RandomVisitor: After 40.Bf3 why not double rooks on the back rank
click for larger viewKomodo-10.1-64bit:
<-0.40/28 40...Rb1 41.Ne3 Rcc1> 42.Qg3 Kg7 43.Ng4 Rf1+ 44.Kg2 Rg1+ 45.Kh2 Qg5 46.Qe5+ Qxe5+ 47.Nxe5 Rgc1 48.a5 f6 49.Nd7 Rc7 50.Nb6 Ra7 51.Rc3 Rxa5 52.Rc6 Rxb3 53.Rxe6 d4 54.Re7+ Kh6 55.Nc4 Ra2 56.Kg3 d3 57.exd3 Rxd3 58.Re6 Kg5 59.Nd6 Raa3 60.Ne4+ Kf5 61.Rxf6+ Ke5 After 38.Qh2
click for larger viewKomodo-10.1-64bit:
<-1.28/29 38...Qf6+ 39.Ke1> Rfc8 40.Qg3 R8c2 41.Bh1 Kg7 42.e4 d4 43.e5 Qf5 44.Rxd4 Rc3 45.Qf4 Qxf4 46.Rxf4 Rd3 47.Bf3 g5 48.Rf6 Rc5 49.Be2 Rxe5 50.Rf1 Rxb3 51.Kd2 f5 52.Bb5 Rd5+ 53.Ke2 Ra3 54.Nf2 g4 55.Nd3 Kf6 56.Rc1 e5 57.Bc4 Rd4 58.Nc5 g3 After 34...Rd2
click for larger viewKomodo-10.1-64bit:
<0.00/32 35.Rh3 Rxa2 36.Qh2> Rfa8 37.Rh8+ Kg7 38.Rh7+ Kf8 39.Rh8+ Kg7 After 31...Rf8
click for larger viewKomodo-10.1-64bit:
<+0.59/27 32.Rf2> Qc1 33.Qa7 Qa1 34.Rff3 Rd4 35.Qa6 Rh4 36.Rh3 Rf4+ 37.Ke1 Rb4 38.Qa5 Rg4 39.Kf2 Qf6+ 40.Bf3 Rc8 41.Qd2 Rf4 42.Kg2 Bf8 43.Rc3 Rb8 44.Qc2 Rh4 45.Nf2 Bb4 46.Rc8+ Rxc8 47.Qxc8+ |
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Jan-02-17
 | | gawain: Subtle for a Monday. I saw the fork combination quickly but that seemed perhaps not conclusive enough. Maybe Monday has changed. |
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| Jan-02-17 | | zb2cr: White has a material advantage with N+B vs. R, but Black has some resources. White deftly simplifies into a won ending with 44. Qh8+, Kxh8; 45. Nxf7+ winning back the sacrificed Queen with the Knight fork and converting into a won endgame. |
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| Jan-02-17 | | zb2cr: I wonder what happens if Black plays 48. ... Rxb3. Can the Rook defend against the passed a-Pawn longer in that variation? Don't have time right now to look at it. |
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| Jan-02-17 | | YouRang: <zb2cr: I wonder what happens if Black plays 48. ... Rxb3. Can the Rook defend against the passed a-Pawn longer in that variation? Don't have time right now to look at it.> Perhaps 48...Rxb3 would have been a better try, but after a6 and Bb6, white will have a protected passer on the 6th rank keeping the rook busy. Meanwhile white's K and N will have no trouble picking off black's other pawns and winning in the long run. But again, it's beyond the usual Monday puzzle to realize all this (as indicated in that even a grandmaster didn't resign immediately after the knight fork). |
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| Jan-02-17 | | YouRang: It's worth noting that (at least according to my computer), that 44.Qh8! is not just the best move, it's the *only* move that wins for white. Really, the main point of the tactic is to force the queen exchange. Winning a pawn was incidental and not even necessary to win. |
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| Jan-02-17 | | tjshann: Would it be considered insulting for Black to sac his Rook for Karjakin's last two pawns and make him demonstrate that he could mate with Bishop and Knight in 50 moves? It happened not long ago that a former Women's World Champion could not do it... |
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| Jan-02-17 | | TheFocus: 44. Qh8! is the winner! |
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| Jan-02-17 | | Chess for life: Agree with posters above who say this is way too subtle for a Monday. |
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| Jan-02-17 | | zb2cr: To <YouRang>: Thank you for looking into it. I don't think this is too subtle for a Monday. You can see that White has managed the transition to a very favorable endgame. Yes, his temporary Pawn advantage won't last, but with his outside passed a-Pawn and N+B vs. R, it's clear White has the advantage. The point was to see the Q sacrifice followed by the fork. |
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| Jan-02-17 | | ChessHigherCat: Sergei car-jackin' Dmitri
Before anybody corrects my pronunciation, I know Russian and am aware that "j" is pronounced like "y" (or more accurately "ja" is pronounced "ya", but since half the US pronounces "j" like that now it should be forgivable) |
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| Jan-02-17 | | stst: Usual Monday Q-sac:
44.Qh8+ KxQ (forced)
45.Nxf7+ forks and Black Q is gone
also later, the Black Pawn @d4 is hard to defend, and exchange of Rs will have White two pass pawns. |
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| Jan-02-17 | | stst: Thanks for YouRang's usual deeper analysis + computer aid (also Random Visitor bringing on Komodo... somewhat disappointed Komodo did not make it to cross sword with Stockfish in the last TEAC) agreed that at least to the human eye, 48....Rxb3 looks better.. to eliminate at least one White passer. |
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| Jan-02-17 | | morfishine: Keep in mind, White not only wins a pawn, from the starting position he is a piece ahead and ends up a piece ahead; so it makes sense to seek favorable exchanges. ***** |
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Kibitzing
sac: 33.Rxd4