WEBVTT 00:00.740 --> 00:01.580 Hi there. 00:01.730 --> 00:06.950 In this lecture, I want to show you the very famous Légal trap. 00:06.950 --> 00:09.880 So this is named after a French player, Legault. 00:09.890 --> 00:14.570 But it's also sometimes called the Blackburne Trap after a British player. 00:14.690 --> 00:16.760 Blackburne So it goes. 00:16.790 --> 00:24.020 E4 Your opponent plays E5 you play Knight to F3, they play Knight C6 and now you play Bishop C4. 00:24.050 --> 00:26.090 Now here they play an interesting move. 00:26.090 --> 00:30.080 D6 It seems they're keen on pinning. 00:30.080 --> 00:31.490 Maybe they've learnt about pinning. 00:31.490 --> 00:32.990 They want to pin your knight. 00:33.560 --> 00:36.530 This kind of pin is called a relative pin. 00:36.530 --> 00:42.380 It's not an absolute pin because if it's against your queen and not your king, in fact, if it's not 00:42.380 --> 00:44.540 against your king, it's just a relative pin. 00:44.540 --> 00:46.010 It's not an absolute pin. 00:46.010 --> 00:53.270 And what that means is sometimes you can break the pin advantageously and legally. 00:54.590 --> 00:57.230 So we see Knight C3 here being played. 00:57.230 --> 01:01.080 If we play Knight C3 and they do, they are keen to pin us. 01:01.200 --> 01:02.430 This is a mistake. 01:02.460 --> 01:06.630 It can be a mistake, especially after age three and they play Bishop H5. 01:06.630 --> 01:11.100 We have a wonderful move here which at least gives us a good advantage. 01:11.100 --> 01:17.100 And it also alternatively, if they really play badly in the follow up, they can be checkmated. 01:17.790 --> 01:25.260 I wonder if you can spot what White can play in this position and as you start chess, you'll learn 01:25.500 --> 01:26.760 about pins. 01:26.970 --> 01:30.120 And I'm sort of reinforcing the idea that this is a relative pin. 01:30.120 --> 01:34.800 It's not an absolute pin, and you still can legally move this. 01:34.800 --> 01:36.590 Knight by the way. 01:36.630 --> 01:37.350 I know it's funny. 01:37.620 --> 01:44.130 It's funny me saying about legally move and this is the legal you know that's legal the player legally 01:44.130 --> 01:50.460 move you know legal is a different word just just to clarify that anyway so here white play can you 01:50.460 --> 01:54.540 spot a good move for white in this position? 01:58.810 --> 02:00.560 Are you just going to the castle here? 02:00.580 --> 02:07.090 Sometimes you don't want to take the advice of casting it as soon as possible when there is a strategic 02:07.090 --> 02:08.650 imperative exception. 02:08.650 --> 02:16.780 And here you can actually capitalize on something as a higher priority than just following the recipe 02:16.780 --> 02:17.600 of castling. 02:17.620 --> 02:20.620 You can actually play Knight Takes E5. 02:20.650 --> 02:22.510 Believe it or not, it looks as though. 02:22.510 --> 02:23.020 Hold on. 02:23.020 --> 02:24.310 This is this is ridiculous. 02:24.310 --> 02:25.880 The queen's hanging. 02:25.900 --> 02:28.990 Why can't black just take the Queen? 02:30.340 --> 02:32.110 Well, this is the basis for the trap. 02:32.110 --> 02:35.440 If Bishop takes queen, then actually, you know what? 02:35.470 --> 02:38.980 We have Bishop takes F7 check after King E7. 02:38.980 --> 02:39.730 Guess what? 02:39.760 --> 02:41.140 What can we play here? 02:44.220 --> 02:46.680 We can play Knight D5 and that's Checkmate. 02:47.820 --> 02:48.630 Wow. 02:48.630 --> 02:51.060 We've just sacrificed our Queen for a checkmate. 02:52.290 --> 02:52.980 Yeah. 02:54.630 --> 02:57.630 So their best move, in fact, wasn't to allow that. 02:58.380 --> 03:00.870 Their best move was Knight Takes E5. 03:01.080 --> 03:03.960 And what we can do here is take this bishop. 03:04.200 --> 03:07.860 They take our bishop and it looks as though we haven't gained much. 03:07.860 --> 03:08.490 Right? 03:09.690 --> 03:12.360 And in fact, right now we're a piece down. 03:12.510 --> 03:13.490 This is some trap. 03:13.500 --> 03:14.920 We end up a piece down. 03:14.940 --> 03:15.820 What is this, King? 03:16.230 --> 03:16.920 What is this? 03:16.950 --> 03:21.810 Well, we get the piece back actually, with Queen B5 check and we take on C4. 03:21.810 --> 03:26.190 And actually, we're a pawn up After all that. 03:26.760 --> 03:27.840 We're a pawn up. 03:27.870 --> 03:29.430 It's a very nice position. 03:29.580 --> 03:32.370 As an example, to follow up Bishop E7. 03:32.610 --> 03:38.400 We put our nice two pawns in the center and here actually the best move is Queen D3. 03:39.750 --> 03:44.500 Technically speaking, if you want the maximum advantage from this, just Queen D for an end castle 03:44.500 --> 03:46.060 and you've got a lovely position. 03:46.600 --> 03:47.590 Pawn up. 03:48.890 --> 03:50.420 You might wonder, What's that about? 03:50.420 --> 03:51.260 Queen E3? 03:52.910 --> 03:58.490 Okay, if you castle there is Knight Takes E4, which, although you're still better, it's not as good. 03:58.520 --> 04:00.350 There's different variations of events. 04:00.350 --> 04:04.560 You want the best possible version of events you can get on the chessboard. 04:04.580 --> 04:09.290 So, yes, that's why I'm mentioning it even in the follow up here. 04:09.440 --> 04:18.220 The best possible sequence of events is actually with Queen D3 to avoid this naughty Knight takes E4. 04:18.230 --> 04:21.530 So you just play Queen D3 and then you castle. 04:21.560 --> 04:22.850 It's a great position. 04:22.850 --> 04:26.240 So anyway, but the main focus of this lecture is this trap. 04:26.240 --> 04:30.020 So they're trying to pin you early that knight to your queen. 04:30.020 --> 04:34.520 They're trying to pin you early and maybe they're looking forward to maybe they've beaten some other 04:34.520 --> 04:38.840 people and they're looking forward to you actually playing like this, in which case, you know, you 04:38.840 --> 04:44.570 could be in a world of pain soon, potentially, if you don't play your cards right, you could be in 04:44.570 --> 04:50.900 a world of pain, for example, like this Knight D4 and how do you stop this damage to your king? 04:50.910 --> 04:52.020 You know this. 04:52.140 --> 04:52.620 Ouch. 04:52.620 --> 04:54.810 Knight takes and you're getting crushed. 04:54.810 --> 05:01.740 All of a sudden your kingside pawns are spoilt, you're a pawn down, etcetera. 05:01.740 --> 05:03.720 But yeah, black can't get away with this. 05:03.720 --> 05:06.540 Sometimes you do need to punish them and not routinely. 05:06.540 --> 05:13.560 Castle This sequence makes things actually emphasize the points Black wanted to make about the pin and 05:13.560 --> 05:16.080 torturing the pin damaging your pawns. 05:16.110 --> 05:18.480 No, you avoid all of this. 05:19.260 --> 05:20.940 You play H3 here. 05:22.080 --> 05:26.160 If they want to take your knight to get your queen to move, you know what? 05:26.160 --> 05:27.630 That doesn't matter. 05:27.840 --> 05:32.070 We're focused on F7, so there's no time for them to play Knight. 05:32.070 --> 05:33.570 D4 We just chat mate them. 05:34.500 --> 05:40.170 So yes, HP is a really cool move here and if Bishop H5, then we have that brilliant Knight takes E5 05:40.170 --> 05:40.890 shot. 05:40.890 --> 05:47.400 So just to recap that, Bishop takes D1, we have Bishop takes F7 check King on E7. 05:47.400 --> 05:52.590 Knight D5 is Checkmate there and if. 05:54.380 --> 05:58.010 Here we have. 05:59.240 --> 06:02.090 We have D takes E5. 06:02.840 --> 06:03.990 Queen takes H5. 06:04.010 --> 06:05.110 We are again looking at F7. 06:05.120 --> 06:09.370 There's no time to move the knight to exploit the Queen, not protecting C2. 06:09.380 --> 06:10.970 So this is great for us. 06:11.600 --> 06:13.440 So that's all great for us here. 06:13.460 --> 06:14.390 Knight takes E5. 06:14.420 --> 06:15.290 This is all great for us. 06:15.290 --> 06:20.900 Queen takes H5, Knight takes C4, Queen B5 Check, and then we're picking up the knight. 06:20.900 --> 06:22.100 So it's all great for us. 06:22.100 --> 06:25.610 So yes, a great variation to be aware of. 06:25.640 --> 06:27.110 The Diggles trap. 06:27.710 --> 06:28.490 Okay. 06:29.540 --> 06:30.200 Spencer Marsh.