00:00And now we have a similar situation.
00:03Again, white created a very powerful attack,
00:07but it seems that black managed to defend against an immediate threat.
00:12Rook on F7 blocks our attack, white's attack, on F5, but also on the 7th rank.
00:22So how do we go around it?
00:25We have a rook, we have a queen, but they cannot just push this rook out of F7 immediately.
00:31But how about a trick?
00:35How about going around?
00:37So keep toying.
00:40And it's even trickier than you can think, because look, rook is hanging.
00:44Black can take the rook, queen takes the one check.
00:47And king h2.
00:49And it seems that only with these three remaining pieces, queen, rook, and bishop,
00:53white can organize at the size of attack.
00:56And even if queen disappears, rook takes E7, then rook F8 mate.
01:02Otherwise, queen still goes to F8.
01:06Rook F8, rook takes F8.
01:08This mating construction seems to be inevitable.
01:11And of course, after rook takes F3,
01:13white queen changes his route and goes to G7 with mate.
01:18And now let's have a quick look at a game between two great champions,
01:29Michael Batvinik and Tigran Petrosyan.
01:33As you can see, white has a material advantage, it's extra exchange.
01:38Black has some compensation.
01:39And Batvinik, who was pressing in his game, misplayed at one point
01:44and eventually made a blunder.
01:49It happens even in the games of great players.
01:53And here Petrosyan delivered the final blow by using a few themes.
01:58But one question.
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