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The Advanced Pawn
The Pawn at K5 by Capture (2 of 2)

Point Count Chess, NO.35, p57
Tarrasch v. Von Scheve, 1894

This example is similar to No.34, only this time it's Black who gains the Pawn at K5 (e4) by Capture. However, like No.34, it's the d-Pawn that captures across into the Advanced position, following an exchange of Knights (and, this time, it's Black who initiates the Knight exchange, whereas White was the initiator, in No.34.

Oh, the other key difference is that, in No.34, White's Pawn to K5 by Capture was advantageous to White. But, here, Black's Pawn to K5 by Capture puts Black at a disadvantage. And this is explored, below.

Beneath the ChessFlash viewer, you'll find my analysis of the position featured in Point Count Chess:
  1. PCC, p.57, No.35, after 7...Ne4
  2. Result of the Pawn at K5 by Capture (2 of 2).
  3. Summary of the Pawn at K5 by Capture (2 of 2).
  4. PGN
Additional analysis includes the:

The Pawn at K5 by Capture (2 of 2)
My Analysis

Position #1, My Analysis
PCC, p.57, No.35, after 7...Ne4

After: 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 c6 6.e3 Nbd7 7.h3 Ne4

Point Count Chess - IE - Diagram 35 - Page 57
After: 7...Ne4

1. The Development Phase: Black gets his troops into position

Point Count Chess - IE - Diagram 35 - The Advanced Pawn, The Pawn at K5 by Capture (2 of 2), After 1.d4 to 3...Nf6
The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 1.d4 to 3...Nf6
After 1.d4 to 3...Nf6, the position is exactly the same as in No.34, only the sequence to reach it is slightly different, due to Black's first move being 1...d7-d5, whereas in No.34, it was 1...Ng8-f6.

Anyway, White has still focussed on getting his c- & d-Pawns out to their front line (1.d2-d4 » 2.c2-c4); Black has still focussed on getting his Pawn Chain down to d5 (1...d7-d5 » 2...e7-e6); and both contest the same two White Center squares (d5,e4), with their opposing-side Knights (3.Nb1-c3 vs. 3...Ng8-f6).
Point Count Chess - IE - Diagram 35 - The Advanced Pawn, The Pawn at K5 by Capture (2 of 2), After 4.Nf3 Be7
The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 4.Nf3 Be7
After 4.Nf3 Be7. The first significant difference between No.34 & No.35, comes as White develops his King Knight (4.Ng1-f3), instead of playing the Bishop Pin (Bc1-g5). So, Black develops his dark-Bishop (4...Bf8-e7), and not his Queen Knight (...Nb8-d7).
Point Count Chess - IE - Diagram 35 - The Advanced Pawn, The Pawn at K5 by Capture (2 of 2), After 5.Bf4 c6
The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 5.Bf4 c6
After 5.Bf4 c6. Compared to No.34, it seem that, due to the presence of Black's Be7, White decides against playing the Bishop Pin, and instead develops it to f4 (5.Bc1-f4).

Black develops his c-Pawn (5...c7-c6), to reinforce support for the d5-Pawn.
Point Count Chess - IE - Diagram 35 - The Advanced Pawn, The Pawn at K5 by Capture (2 of 2), After 6.e3 Nbd7
The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 6.e3 Nbd7
After 6.e3 Nbd7. Just like No.34, White has waited until his dark-Bishop has been developed beyond the e3-square, before developing his e-Pawn, to support the d4-Pawn (6.e2-e3).

And now Black brings his Queen Knight across to d7 (6...Nb8-d7).

The current position is quite similar to No.34 (after 6...O-O); White's Bf4 and Black's c6-Pawn, and has just Castled Kingside, are the primary differences, so far.
Point Count Chess - IE - Diagram 35 - The Advanced Pawn, The Pawn at K5 by Capture (2 of 2), After 7.h3
The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 7.h3
After 7.h3, White develops his h-Pawn (7.h2-h3), a move not seen in No.34.

After this, Black launches his Knight into the exchange, which leads to Black gaining his Pawn at K5 (e4) by Capture ...

2. Black exchanges Nf6, to get his d-Pawn to K5 (e4) by Capture

Point Count Chess - IE - Diagram 35 - The Advanced Pawn, The Pawn at K5 by Capture (2 of 2), After 7...Ne4 8.Nxe4
The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 7...Ne4 8.Nxe4
After 7...Ne4 8.Nxe4, Black sends his King Knight onto the e4-Outpost (7...Nf6-e4), causing White to capture it immediately, with his Queen Knight (8.Nc3xe4).
Point Count Chess - IE - Diagram 35 - The Advanced Pawn, The Pawn at K5 by Capture (2 of 2), After 8...dxe4
The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 8...dxe4
After 8...dxe4, Black's d-Pawn becomes the Pawn at K5 (e4) by Capture, when completing the Knight exchange (8...d5xe4).

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The Result of the Pawn at K5 by Capture (2 of 2)...

Point Count Chess - IE - Diagram 35 - The Pawn at K5 by Capture (2 of 2), After 9.Nd2
(RESULT) The Advanced Pawn,
The Pawn at K5 by Capture (2 of 2),
After 9.Nd2
After 9.Nd2, Black's Pawn to K5 (e4) forces White's King Knight to flee (9.Nf3-d2).

The usual goal of the Pawn at K5 (be it e5, for White; or e4, for Black), is to force the opposition's King Knight to flee, in preparation for a Kingside Pawn Storm, against the enemy's Castled King.

The MAJOR DIFFERENCE between No.35 and, say, No.34, is that here (No.35), White hasn't Castled, and so retains the option to go to the Queenside, instead ...

Black faces the prospect of a regulation Kingside Pawn Storm against nothing but White Pawns -- White's King will be safely across the other side of the board, which is what happened (14.O-O-O)!


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Summary of the Pawn at K5 by Capture (2 of 2)...

The following is largely based on the Comparison, below.

P-K5 by Capture has a better chance of succeeding if ...

  1. Your Queen Bishop has been developed outside the Pawn structure, prior to getting P-K5 by Capture. In No.34, White has done this, and went onto succeed with his P-K5 by Capture. In No.35, Black's Queen Bishop is blocked (by the e6-Pawn, specifically), and it finds itself restricted in what it can do, to aid the Kingside offensive.

  2. The Q4 square (d4, for White; d5, for Black) is safe to land a Piece on (primarily a Knight, as it makes for a Fourth Rank Outpost). In No.34, White first traded c-Pawns onto the d-file, and then his P-K5 by Capture (12.d4xe5) ensured Black's e-Pawn couldn't attack White's Q4 (d4). This, so H&M-S revealed, turned White's Q4 square into an "eternal square." But, in No.35, Black hasn't made any attempt to do likewise, and that leaves White's c-Pawn making Black's Q4 (d5) unsafe to land a Piece on.

  3. The enemy has Castled Kingside, first. The initial act, of P-K5 by Capture, is to chase away the enemy's King Knight. This is the prelude to a "regulation Kingside Pawn Storm," as H&M-S put it, to bust open the Pawn Guard surrounding the enemy's Kingside Castled King. In No.34, White's P-K5 (d4xe5) chases away Black's Nf6, and is then able to begin marching his Kingside Pawns up toward the location of Black's Kingside Castled King.

    However, in No.35, White's King has still yet to Castle his King, when Black puts his P-K5 by Capture (8...d5xe4). White is able to Castle Queenside (14.O-O-O). He still had to get his King Knight out of danger (9.Nf3-d2), but White's situation is much less dire, with his King no longer at risk from Black's attempt, if he were to make one, against his Kingside Pawns. This is the last point that Black ignored, and his P-K5 by Capture became a disadvantage.

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Comparison between No.34 & No.35...

Here, we can see the difference between:

  1. No.34, where White's Pawn to K5 (e5) by Capture was successful;
  2. No.35, where Black's Pawn to K5 (e4) by Capture didn't work out ...

Comparison 1: Queen Bishop Development

In No.34 (after 12.dxe5, below-left), White's d-Pawn has captured across onto e5. At this point, White's Queen Bishop has been developed before the mobilisation of the Pawns (look at White's Bg5 & e3-Pawn).

Point Count Chess - IE - Comparison, 35 -- Diagram 34
(COMPARISON 1)
White's P-K5 by Capture (d4xe5), No.34, After 12.dxe5
Point Count Chess - IE - Comparison, 35 -- Diagram 35
(COMPARISON 1)
Black's P-K5 by Capture (d5xe4), No.35, After 8...dxe4

In No.35 (after 8...dxe4, above-right), Black's d-Pawn has captured across onto e4. At this point, Black's Queen Bishop still hasn't been developed (Bc8), but Black's e-Pawn has (e6), and it now blocks the path of the Queen Bishop (c8-h3 diagonal).

Comparison 2: Access to Q4 (d4/d5), after P-K5 by Capture

In No.34 (after 12.dxe5, below-left), after White's d-Pawn has captured across onto e5, the d4-square becomes the "eternal square" for White to post his Queen Knight onto, as Black doesn't have Pawns that can attack it.

Point Count Chess - IE - Comparison, 35 -- Diagram 34
(COMPARISON 2)
White's P-K5 by Capture (d4xe5), No.34, After 12.dxe5
Point Count Chess - IE - Comparison, 35 -- Diagram 35
(COMPARISON 2)
Black's P-K5 by Capture (d5xe4), No.35, After 8...dxe4

In No.35 (after 8...dxe4, above-right), after Black's d-Pawn has captured across onto e4, the d5-square becomes clear, but Black CANNOT post anything onto it, because White has his c4-Pawn guarding it ... In No.34, White took the trouble to exchange c-Pawns; in No.35, Black hasn't done this, and so must proceed without access to his Q4 square (d5).

Comparison 3: Has Castling Taken Place?

In No.34 (after 12.dxe5, below-left), before White's d-Pawn captures across onto K5 (e5), Black's King has already Castled to the Kingside. It can now be targeted by a White Pawn Storm ...

Point Count Chess - IE - Comparison, 35 -- Diagram 34
(COMPARISON 3)
White's P-K5 by Capture (d4xe5), No.34, After 12.dxe5
Point Count Chess - IE - Comparison, 35 -- Diagram 35
(COMPARISON 3)
Black's P-K5 by Capture (d5xe4), No.35, After 8...dxe4

In No.35 (after 8...dxe4, above-right), when Black's d-Pawn captures across onto K5 (e4), White's King still remains uncommitted on its game-starting square (Ke1). White subsequently Castled to the Queenside (14.O-O-O), enabling his Kingside Pawns to storm forward, without having to worry about leaving their King exposed behind them. White goes onto carve open Black's Kingside Pawns, going through the g-file.


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PGN

[Event "Leipzig"]
[Site "Leipzig"]
[Date "1894.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Siegbert Tarrasch"]
[Black "Theodor Von Scheve"]
[ECO "D37"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "59"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 Be7 5.Bf4 c6 6.e3 Nbd7 7.h3 Ne4 {PCC p.57 No.35} 8.Nxe4 dxe4 9.Nd2 Bb4 10.a3 Bxd2+ 11.Qxd2 O-O 12.Qc2 f5 13.Bd6 Re8 14.O-O-O Nf6 15.Be5 Bd7 16.f3 exf3 17.gxf3 b5 18.Rg1 Rf8 19.Rd2 Rf7 20.Rdg2 a5 21.Qf2 Ne8 22.Rg5 Qe7 23.Qh4 Nf6 24.Qh6 Ra7 25.Bd6 Qxd6 26.Rxg7+ Kf8 27.Rxh7+ Ke7 28.Rxf7+ Kxf7 29.Rg7+ Ke8 30.Qxf6 1-0

End.

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