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| Jun-25-14 | | agb2002: Black has the bishop pair for a bishop, a knight and a pawn. White threatens 29.Qxg7#.
The knight shortens the black queen range. Therefore, divert it with tempo 28... Rb1+ 29.Nxb1 (29.Kc2 R8b2#) 29... Rxb1+ (29... Qb2+ 30.Kd1 Qxb1+ 31.Bc1 Qd3+ 32.Ke1 Qc3+ 33.Kf2 and White wins) 30.Kxb1 (30.Kc2 Qb2#) 30... Bd3+ 31.Kc1 Qa1#. |
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| Jun-25-14 | | diagonalley: hmmm... white has an imminent mate threat which black cannot do much about... therefore counter-attack with check is the only hope... 28... QxN+ 29.BxQ isn't going to cut it... what about 28... R-N8+ 29.NxR ...aahhhh, now the white B is no longer a saviour but a hindrance... 29... RxN+! quickly leads to mate. phew! |
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| Jun-25-14 | | engmaged: Nice to see ♘ pawns storm (and sac) in opposite wings in the same game. (8...b5 and 13.g4); but of course it is a common theme in a closed center positions. It made it very sharp that it might have intimidated both players to think of repeating for a draw. Unfortunately for White, it was him to reject the drawing with 25.Nh5. |
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| Jun-25-14 | | Cheapo by the Dozen: The most direct line turns out to actually work:
28 ... Rb1+
29 Nxb1 Rxb1+
30 Kxb1 Bd3#
White's only alternatives are
29 Kc2 R(1)b2#
or
30 Kc2 Qb2# |
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| Jun-25-14 | | Nick46: Possibilities too lush to resist. |
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| Jun-25-14 | | morfishine: Black's choice is narrowed due to the mate threat at <g7> <28...Rb1+> 29.Nxb1 (or 29.Kc2 R8b2#) 29...Rxb1+ 30.Kxb1 Bd3+ 31.Kc1 Qa1#
*****
FWIW: <FSR> Due to the mate threat at g7, <28...f5> was the first candidate I looked at; but the # moves to force the win seemed a little long for a puzzle (much less for me to visualize); all I had from it was a suspicion it was "good enough" but nothing concrete ***** |
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| Jun-25-14 | | Ashperov1988: 28...Rb1 Nb1 Qb2?! kd1 and he escapes I couldn't find the killer blow
So then only I found Rb1 Nb1 Rb1 Kb1 (Kc2 Qb2++) Bd3 kd1 and Qa1++ 28..f5 and white can prolong with Qg7 and even tho black is probably winning he has to play accurately! |
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Jun-25-14
 | | Honza Cervenka: 28...f5 is sufficient for win of black but I guess that mate in 4 is better solution. |
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| Jun-25-14 | | erdogankilic: al wazir: <FSR: As with <M.Hassan>, the double rook sac somehow never occurred to me: i remembered an old turkish chess story:" Kaleleri ver,Dilaram"ý kurtar: meaning "sacrifice the rooks-save Dilaram". In a match the winner would get the favourite wife of the opponent.In the present position, the nobleman, who played the white pieces , was to move, expecting to be mated on his opponents return move. Dilaram (the favourite wife)however saw how the happiness of her life could be saved, and whispered to her husband and lover:sacrifice the rooks-save Dilaram". 
click for larger view
click for larger view
(The piece on h3 is an Elephant (al-fil), which moves along diagonals two moves at a time, and, unlike its counterpart in the natural world, it can jump over other pieces.)
More at http://exeterchessclub.org.uk/conte...
The solution is 1. R4h8+ Kxh8 2. Af5+(bishop at h3 to f5) Kg8 3. Rh8+ Kxh8 4. g7+ Kg8 5. Nh6++ 1-0 |
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| Jun-25-14 | | notyetagm: Tolush vs A Filipowicz, 1964 <M.Hassan: Sacrificing both Rooks just did not occur to me and it is quite clever, a check by Bishop followed by the Queen to a1> Yes, Black sacrifices both of his rooks on the b1-square with 28 ... ♖b8-b1+! 29 ♘c3x♖b1 ♖b8x♘b1+! 0-1 just to get a clear shot at the <DEFENSELESS> White king with his light-square Black a6-bishop and his dark-squared Black e5-queen. Solving this puzzle reminded a lot of the famous <BATTLE OF MIDWAY>, in which the Americans sacrificed all of their torpedo bombers to get a clear shot at the Japanese aircraft carriers with their Dauntless dive bombers. |
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| Jun-25-14 | | notyetagm: Tolush vs A Filipowicz, 1964 <MountainMatt: Good ol' Wednesday, aka "get the first move but <<<miss the follow-up">>> day.> Yes, at first I thought the winning idea was 28 ... ♖b2-b1+! 29 ♘c3x♖b1 ♕e5-b2+? 30 ♔c1-d1 ♕b2x♘b1+ 32 ♗d2-c1 ♕b1-d3+ 33 ♔d1-e1 but then I realized that there is no mate on the e2-sq because that square is <DEFENDED> by the White g4-queen. So then I went back and since 29 ... ♕e5-b2+? did not work, I examined the <FORCING MOVE> 29 ... ♖b8x♘b1+! and saw the mate. A fantastic example on the <IMPORTANCE OF EXAMINING **ALL** OF YOUR FORCING MOVES>. Black can mate with <CHECKS> if he simply anaylzes it out far enough. Also a very good example of the <THREE PIECES RULE>, which says that three pieces attacking the king is a mating attack as you sacrifice one piece to give mate with the remaining two. Here Black is attacking with four pieces so he sacrifices two to give mate with the remaining two. |
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| Jun-25-14 | | notyetagm: Tolush vs A Filipowicz, 1964 28 ... ?
click for larger view28 ... ♖b2-b1+!
click for larger view29 ♘c3x♖b1 ♖b8x♘b1+! 0-1
click for larger view(CONTINUATION)
30 ♔c1x♖b1 ♗a6-d3+
click for larger view31 ♔b1-c1 ♕e5-a1#
click for larger view |
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Jun-25-14
 | | Penguincw: Hmm. I thought I got it with 28...Rb1+ 29.Nxb1 Qb2+ 30.Kd1 Qxb1+ 31.Bc1 Qd3+ 32.Ke1, but there's no mate that I see. |
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| Jun-25-14 | | kevin86: I saw this one . Black can give up both rooks so that mate can come with queen and bishop. |
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| Jun-25-14 | | notyetagm: Tolush vs A Filipowicz, 1964 <Penguincw: Hmm. I thought I got it with 28...Rb1+ 29.Nxb1 Qb2+ 30.Kd1 Qxb1+ 31.Bc1 Qd3+ 32.Ke1, but there's no mate that I see.> 
click for larger viewYes, that line you gave was my first attempt but I noticed that at the end of the given variation there is no mate on the e2-sq as that square is <PROTECTED> by the White g4-queen. |
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| Jun-25-14 | | sfm: I wonder where White goes wrong?
16.-,Qg4! is an excellent attack & defense move, the Queen enters the center just in time. White must have considered the wild 17.Qg3,Nxsome pawn 18.Qh4, but if that does not work, well, Black seems to have the upper hand. 18.Qc2 may be overambitious, is there time? At move 20., White needs to 'unpack' himself, so 20.Re1, but then 20.-,Na6 21.BxN, BxN enhances Blacks development. After 21.-,Qe5, all guns fire at White's king, still Black repeats moves, and it is White playing for a win! Would Black have really taken a draw after 24.Ng2 ? After 24.Qd1 it must be lost. Black doubles rooks, defending b2 is hardly possible, and we have know that the counter comes just too late. A wonderful sharp game, as these opposite-castlings so often are. Could spend hours analyzing - and then a silicon monster would tell me that it was all rubbish. |
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| Jun-25-14 | | RookFile: Like others, I too would have played 28...f5 here. Always something new to learn! |
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| Jun-25-14 | | notyetagm: Tolush vs A Filipowicz, 1964 <RookFile: Like others, I too would have played 28...f5 here. Always something new to learn> Carefully examine all of your <CHECKS> before even *thinking* about playing some other <LESS FORCING> move. Methodical thinking is of more use than inspiration, Chernev/Reinfeld used to say. |
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| Jun-25-14 | | M.Hassan: <erdogankilic:The solution is 1. R4h8+ Kxh8 2. Af5+(bishop at h3 to f5) Kg8 3. Rh8+ Kxh8 4. g7+ Kg8 5. Nh6++ 1-0> Hi: I don't see how the solution given has saved dilaram!!.Bishop can not go to f5 because it is blocked by the Knight. I think the opponent now can claim "dilaram" :) |
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| Jun-25-14 | | sombreronegro: Need forcing moves given white is about to mate black. The bishop on d2 seems to ruin the idea of a queen sac. Control of b2 is needed. Looks like a rook sac. So I would be looking to get the queen to b2 with 28 ...Rb1+ after the knight capture which seems quite forced. |
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| Jun-25-14 | | erdogankilic: As with M.Hassan<Hi: I don't see how the solution given has saved dilaram!!.Bishop can not go to f5 because it is blocked by the Knight. I think the opponent now can claim "dilaram" :)
At those times the bishop was to move two squares diagonally and was able to jump over other pieces.So the solution is correct and dilaram is safe:)) |
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| Jun-25-14 | | BOSTER: This is the pos. White to play 28.
click for larger view
After 28.Qxg7+ Kxg7 29.Bh6+ Kg6 30.Reg1+ Qg5 31.Bxg5 fxg5 white can cont. to play. |
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| Jun-25-14 | | BOSTER: < sfm I wonder>.
Try 16.Nh5 to open g file. |
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| Jun-25-14 | | Rookiepawn: <BOSTER> I saw the same line, it keeps White in the game. Still the black pawns look scary and I think Black is much better. |
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| Jun-25-14 | | thegoodanarchist: Darn.... Only Wednesday and already I am wrong. |
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Kibitzing
sac: 28...Rb1+