WEBVTT 00:01.050 --> 00:01.960 Hi there. 00:01.980 --> 00:07.410 In this lecture, we see an absolutely amazing game between Boris Spassky and Tigran Petrosian in the 00:07.410 --> 00:14.010 1966 Trojan Spassky World Championship match, Round seven d4 from Boris Spassky. 00:14.010 --> 00:27.330 We see nothing F 690 3e6 Bishop g5d5 Knight BD two Bishop e7e, Free Knight bd7 Bishop D free. 00:27.480 --> 00:31.560 And you'll note here that Petrosian doesn't cancel kingside. 00:31.560 --> 00:40.140 He creates the possibility actually of castling queenside with this next move in particular highlights 00:40.230 --> 00:47.100 the potential for creating imbalances in the position so trying to create more differences in position. 00:47.370 --> 00:55.440 So we see we see actually b six won't cost was kingside but now bishop B seven, knights E five and 00:55.440 --> 00:58.710 now Knight takes E five, D takes 97. 00:59.100 --> 01:02.700 Black's king is not necessarily going on the kingside. 01:02.700 --> 01:07.590 Here we have Queen C seven, Knights have three now H six. 01:07.590 --> 01:15.270 So this betrays the idea that maybe that's going to play G five and just Castle Queenside We have Bishop 01:15.270 --> 01:16.800 G3, G five. 01:17.730 --> 01:19.920 So what is White got from the opening? 01:19.920 --> 01:23.710 It looks as though White's committed the king as a target. 01:23.730 --> 01:30.570 Here we see b4h5 threatening to trap the bishop with h four. 01:30.900 --> 01:34.560 So white plays h four if B takes c five. 01:34.560 --> 01:40.440 Yeah, we just go ahead with h four and we're just winning material basically. 01:40.980 --> 01:45.240 So h four we have g takes h four, which opens up this G file. 01:45.240 --> 01:50.010 This already looks like a fantastic position for Black to have the opening. 01:50.490 --> 01:51.810 We have Bishop and four. 01:53.070 --> 02:00.360 If Bishop takes H four, we can take on H four and then after nine takes h four that neglects E five. 02:00.360 --> 02:06.060 We can just take on E five and here then we can cancel queenside with advantage. 02:06.450 --> 02:13.500 So Bishop four is chosen and now the imbalances are amplified with constant queenside. 02:13.500 --> 02:18.750 So the differences of the king means and the structure is very different. 02:18.750 --> 02:21.090 It's not exactly a symmetrical pawn structure. 02:21.090 --> 02:22.860 There's a road to the king here. 02:23.400 --> 02:26.700 It's full of imbalances here in Black's favor. 02:26.910 --> 02:36.510 Overall, one has to say so a four and now closing up with C four, Bishop e two, and now getting ready 02:36.510 --> 02:39.330 for A five or B five with the move a six. 02:39.510 --> 02:45.060 So basically if B five, then a five, and if a five, then B five. 02:45.510 --> 02:49.170 There's a nice reaction capability here. 02:49.410 --> 02:55.260 So why it's not going to be able to open up too many lines against the king for the foreseeable future. 02:55.380 --> 03:01.740 So it's a great preventative move in terms of preventing the opening up of the King. 03:01.740 --> 03:12.660 We have now King h1b and now Rook D, B, eight, G one and our Rook G four, Queen D two and now the 03:12.660 --> 03:17.070 Rooks double A five and now closing with B five. 03:17.070 --> 03:25.020 The position Rook 81 and now Bishop F eight giving the idea that actually hold on Bishop G seven And 03:25.020 --> 03:32.550 then what about E five soon we have no H two now this actually. 03:34.130 --> 03:35.870 Is not such a big deal of a threat. 03:35.900 --> 03:38.000 Guess what Petrosian plays here? 03:38.330 --> 03:42.620 Which further raises the stakes of the differences in position. 03:44.760 --> 03:46.890 OC a material imbalance. 03:48.300 --> 03:53.250 Is increased there with this positional exchange SAC nine times e five. 03:53.490 --> 04:00.990 So taking out a center pawn and straightening out the pawns here, this is very dangerous. 04:01.080 --> 04:06.900 And it was also the one less key blockade of D four which could open up this bishop. 04:06.990 --> 04:09.630 Directly to the white king. 04:09.630 --> 04:13.710 So there's huge compensation for the positional exchange sacrifice. 04:14.920 --> 04:15.790 Huge. 04:15.910 --> 04:23.530 We have E4 and now just Bishop DD six important tactical note here. 04:24.220 --> 04:27.700 We've created a kind of weakness of the last move with this retreat. 04:27.940 --> 04:36.010 And in fact, if Petrosian had taken on E4, it's a complete disaster. 04:36.040 --> 04:39.400 Can you see what white plays which is winning for white? 04:41.490 --> 04:44.610 You know, this battery isn't just pretty. 04:44.610 --> 04:47.070 Batteries should not be underestimated. 04:47.070 --> 04:50.910 We have Bishop takes evolve with the white pieces and it's crushing. 04:50.910 --> 04:51.990 Just losing material. 04:51.990 --> 04:55.620 We can't take on E five because of Queen D H. 04:56.280 --> 04:58.680 So safety point after E four. 04:58.680 --> 04:59.130 Yes. 04:59.130 --> 05:02.760 This is one of the very best moves in the position. 05:02.760 --> 05:06.780 Bishop D six here, keeping things very safe. 05:08.010 --> 05:09.060 So game on. 05:09.060 --> 05:10.500 We have Queen E three. 05:12.890 --> 05:14.270 And now 97. 05:15.260 --> 05:17.090 Looking at Bishop takes a four. 05:17.120 --> 05:18.200 Bishop takes the six. 05:18.200 --> 05:19.460 Queen takes the six. 05:19.640 --> 05:24.080 Rook RD four and E five. 05:24.260 --> 05:33.950 We have raw data and another very dynamic move to try and maybe open up this B seven bishop to h1a little 05:33.950 --> 05:34.600 bit more. 05:34.610 --> 05:35.380 So guess what? 05:35.390 --> 05:37.670 Petrosian place here for 100 points. 05:40.280 --> 05:40.760 Yeah. 05:41.240 --> 05:42.230 EF five. 05:43.760 --> 05:46.540 A really interesting position on sacrifice. 05:46.550 --> 05:48.560 We have to 65. 05:49.130 --> 05:52.640 If E takes F five, the point is F six. 05:53.030 --> 05:58.670 And for example here D four opens up the B seven bishop. 05:58.910 --> 06:05.300 So this position we can actually slice through with E four very, very dangerous. 06:06.260 --> 06:14.480 F takes this nine takes E four and this we can see the bishop is going to be decisive. 06:14.900 --> 06:24.290 This position for example H two check 93 is winning the Queen, otherwise it's going to be be 9f1 mating. 06:24.680 --> 06:30.980 And if we look at this again, I mean there are a few angles of this of what's going on here. 06:32.360 --> 06:39.770 But basically, yeah, it's it's just very, very dangerous position here. 06:39.770 --> 06:45.590 If F takes there's a lot of other dangers to work with for blank. 06:45.590 --> 06:47.930 There's just a huge amount of compensation. 06:49.100 --> 06:55.850 So instead of King G one in line, we looked at thou if, say, Queen A three and I have to check just 06:55.850 --> 06:57.530 to show H to check. 06:57.530 --> 07:02.810 This is also dangerous for Queen F for check and we're just going to be mating. 07:02.810 --> 07:06.290 So E tanks D five is chosen. 07:08.270 --> 07:13.010 And now this means a full squeezing with the pawns. 07:13.310 --> 07:18.530 Queen E four and L nine, five, six allowing a check, but it doesn't really make a difference. 07:19.040 --> 07:27.050 F three We have bishops eight Queen Bee one and now g three with an incoming H three move. 07:27.800 --> 07:28.400 So why? 07:28.400 --> 07:32.960 It's the void of counterplay here and the pieces are being squeezed. 07:33.140 --> 07:42.770 H free Bishop f one If g st century we play g two check here and then Queen D seven dual purpose either 07:42.770 --> 07:48.410 Queen St's H free or this queen A seven check is lurking in the position. 07:48.590 --> 07:51.890 So Bishop f one we can just take on F one that's crushing. 07:52.970 --> 07:55.280 Yeah, it's it's all pretty crushing there. 07:57.400 --> 08:04.820 And if we go back instead of King G one, what if King H two, Queen D seven. 08:04.840 --> 08:07.150 Here we can use Queen A seven, Jack. 08:07.630 --> 08:11.050 And if we get our queen's f two, we're threatening now. 08:11.230 --> 08:15.490 G one double check And mate, if you want Queen G phrase mate. 08:16.000 --> 08:17.830 So nice resources. 08:17.830 --> 08:26.920 Bishop F one is played Rook age eight G takes H three Bishop St Century King G one Bishop takes F one 08:27.250 --> 08:32.050 King takes F one and now E four. 08:32.710 --> 08:35.290 This is really great stuff. 08:35.440 --> 08:37.240 Basically, Queen D one is played. 08:37.240 --> 08:42.670 If Rook takes E four we have sympathy Rook H one Check picking up the queen if F takes. 08:42.670 --> 08:51.400 We have two connected past pawns with the France of rook h one mating and if King G one queen f four 08:51.700 --> 08:55.990 and white's king has had it black is on the way to mating. 08:55.990 --> 08:58.450 Who moves like Queen H four and Queen H one. 08:58.450 --> 08:59.560 This is just desperate. 08:59.560 --> 09:00.640 They'll be desperate. 09:00.640 --> 09:03.640 It's absolutely crushing position. 09:04.450 --> 09:11.410 So Queen RD one was tried and now another glorious move from Tigran Petrosian. 09:12.130 --> 09:12.700 Can you guess? 09:12.700 --> 09:13.660 100 points. 09:14.830 --> 09:16.300 Really glorious stuff. 09:16.450 --> 09:19.690 We have Knight G four. 09:21.430 --> 09:23.440 So what is going on here? 09:23.440 --> 09:25.960 What's what's this Knight G four about, you might ask. 09:25.960 --> 09:33.370 So F takes was played if F takes E for 93 check and it's too much for white. 09:33.370 --> 09:39.040 This position is too much of an attack, especially after rook I think threatening all sorts of things. 09:39.040 --> 09:42.560 So this position queen takes E for Queen D for a check. 09:42.610 --> 09:43.960 Queen D two is mate. 09:45.490 --> 09:49.300 So f tanks is tried f three, so a rook down. 09:49.300 --> 09:52.900 But look at the pawns they're conspiring to help chap mate. 09:53.200 --> 09:57.430 So one mate for that we have Rook g21 else. 09:57.460 --> 10:00.220 If rook takes E4, this is just mate. 10:00.220 --> 10:03.220 So Rook g two but now F to G two. 10:03.220 --> 10:06.490 And actually here Spassky resigned at move 43. 10:06.850 --> 10:08.590 If King takes G to. 10:11.160 --> 10:18.710 Then to check NH six and we've got coordination here against the king. 10:18.720 --> 10:19.680 It's mating. 10:20.220 --> 10:28.830 If instead of King takes you to King, E2, then Queen are full and here with a free check queen have 10:28.830 --> 10:29.790 to check. 10:30.330 --> 10:34.020 And we can actually just play like this to win with a pass pawn. 10:34.620 --> 10:37.020 So, yes, a fascinating game. 10:37.200 --> 10:40.340 Lots of imbalances created by Abraham chosen. 10:40.350 --> 10:45.830 He didn't just routinely in the opening castle king size. 10:45.840 --> 10:52.920 And I do find this a very exciting way of playing if you want to try and win sometimes to create these 10:52.920 --> 10:54.000 imbalances. 10:54.000 --> 10:59.520 So it's not just the attacking players making use of this idea of pronouncing the differences between 10:59.520 --> 11:00.330 both sides. 11:00.330 --> 11:07.230 The positional player can do this and we see later on positional exchange sacrifice as well. 11:07.620 --> 11:10.430 We see that great king safety management. 11:10.450 --> 11:16.380 The king wasn't at all in danger, so counterplay than the opponent minimized whilst all the time we're 11:16.380 --> 11:23.100 building the pressure, we're accumulating advantages through vivid accumulation of pressure against 11:23.100 --> 11:24.300 White's King. 11:24.300 --> 11:29.310 On the King's side, we're going to build up on E five here with Bishop G seven. 11:29.550 --> 11:35.610 So this nice exchange sacrifice, it really is a beauty to behold. 11:36.150 --> 11:40.740 So Queen E 397 Bishop takes, Queen takes. 11:40.740 --> 11:41.130 Yeah. 11:41.130 --> 11:46.980 It's just a beautiful flow to this game like Space Invaders of the Five. 11:47.430 --> 11:52.920 And for these, these pawns are coming down like the classic game Space Invaders that I had on the Atari 11:52.920 --> 11:53.700 100. 11:53.700 --> 11:59.520 So, yeah, the pawns advance here, breaking through to the gates of the king. 11:59.520 --> 12:03.210 So a real beauty to behold this game. 12:03.540 --> 12:06.180 I'll take you back to that final endgame position. 12:06.180 --> 12:07.200 Absolute beauty. 12:07.200 --> 12:11.010 One of my favorite games of Tigran Petrosian crazy. 12:11.010 --> 12:13.350 Lots of imbalances from the opening here. 12:13.350 --> 12:21.030 Those favorable differences to differentiate both sides, advantages to be in different forms. 12:21.300 --> 12:25.530 Okay, I hope you enjoyed this game as much as me and so much.