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Mobile Pawn Wing
Restraint of a Pawn Wing

Point Count Chess, NO. 51A to NO. 51B, p79-80

All of the other four examples (#1, #2, #3, #4) in his series are to do with owning the Mobile Pawn Wing.

This example looks at things from the defenders perspective: how to restrain your opponent's Pawn Wing.

According to H&M-S, there are three ways to tackle the enemy's Mobile Pawn Wing:

  1. Break the force of the assault. You do this by attacking and capturing one or all Pawns in the Wing (see Example #4);

  2. Counterattack through the Center. This is based on the principle that says "an attack on the Wing is best met with a counter attack in the Center";

  3. Prevent the advance of the Pawn Wing. Place Pawns and Pieces in such a way that it restrains the adverse Pawn Wing from advancing altogether -- if they move their Pawns into your firing line, they'll be captured and that should end any possible hope of it being converted into another enemy advantage (of course, you must ensure the capture doesn't help create their advantage, as it did in Example #4, where White created the Potential Passed Pawn).

This example looks at the 3rd defence against a Mobile Pawn Wing: "Restraining the damned thing" ...

Beneath the ChessFlash viewer, you'll find my analysis of the two positions featured in Point Count Chess:
  1. PCC, p.79, No. 51A, after 12.Be2
  2. PCC, p.80, No. 51B, after 16...Qh7
  3. Result, Black's Restraint of White's Mobile Pawn Wing.
  4. PGN

Restraint of a Pawn Wing
My Analysis

Position #1, My Analysis
PCC, p.79, No. 51A, After 12.Be2

After: 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 Nc6 7.O-O Bxc3 8.bxc3 d6 9.Nd2 b6 10.Nb3 e5 11.f4 e4 12.Be2

Point Count Chess - IE - Diagram 51A - Page 79
After: 12.Be2

According to H&M-S, White is the player with the Mobile Pawn Wing advantage.

If you've looked through my analysis from the other four examples (#1, #2, #3, #4), the process should be familiar by now: First, we must check to makes sure that the criteria is met; White must have Control of the Center * and Superior Development in order to claim the Mobile Pawn Wing.

* I've just noticed, in the Summary (PCC, p80) that H&M-S say that full Control of the Center isn't entirely necessary ... A player can simply have "center superiority" (e.g. Control of more squares in the Center than their opponent), plus the standard Superior Development, and they will still qualify for the Mobile Pawn Wing.

For the sake of keeping things simple, I'll continue to refer to it as Control of the Center, but it will also cover "Center superiority."

Point Count Chess - IE - Diagram 51A - After 12.Be2 - White's Control of the Center
Mobile Pawn Wing with:
(1 of 3) Control of the Center
Diagram 1 of 3: White has
Control of the Center ...


White Controls: d5, d4 & e5.

Black Controls: e4.

With three square to Black's one, White claims Control of the Center on the basis of Center superiority.

Below, I'll just clarify a few issues surrounding who Controls what ...

White's Control of d4 is clear to see, as he's 4x units defending the d4-Pawn, including 2x White Pawns (c3 & e3) versus 2x Black units (c5-Pawn & Nc6).

White's Control of e5 is similarly straightforward, with 2x White Pawns (d4 & f4) versus 1x Black Pawn (d6) & Black's Nc6 (the Knight losing out to the lower vulnerability of White's Pawns).

White's Control of d5 is another case of lower vulnerability of a White Pawn (c4) versus a Black Piece (Nf6).

Black's Control of e4 is pretty much straightforward, since nothing from White's army currently attacks this square, while Black has his Nf6 contesting this square. Regarding Black's e4-Pawn, it doesn't personally Control the e4-square it occupies (refer to Pattern #1).

Point Count Chess - IE - Diagram 51A - After 12.Be2 - White's Superior Development
Mobile Pawn Wing with:
(2 of 3) Superior Development
Diagram 2 of 3: White has the
Superior Development ...


The Pawns and Pieces highlighted in green squares can all be ignored, as they're the same units in same / mirrored positions.

For me, White claims the Superior Development due to the advantage of the Bishop-pair (Bc1 & Be2 vs. Bc8) and the line on squares across the Expanded Center and a little either side (5th Rank) that White's Pawns attack ...

By contrast, Black's e4-Pawn isn't doing enough to stall White's attack on the Kingside, despite it being an Advanced Pawn, as well as being further advanced than any of White's Pawns. Plus, as we've already seen, none of Black's Pieces are doing enough to help gain Control of the Center.

Note that White has Doubled Pawns (c3,c4), but they're not actually a liability to White's structure, as they both contribute to White's Control of the Center and cannot, so far, be attacked by Black.

White's Doubled Pawns does give Black a Qualitative Pawn Majority on the Queenside, but it's nothing that can be used just yet, so that advantage doesn't affect White's claim over the Superior Development (for now).

Point Count Chess - IE - Diagram 51A - After 12.Be2 - White's Mobile Pawn Wing
Mobile Pawn Wing with:
(3 of 3) White's Kingside Pawns
Diagram 3 of 3: White has
a Mobile Pawn Wing, on the Kingside Flank ...


Or, I should say, with greater space on the Kingside, as well as Black's King having Castled on the Kingside, White has chosen the Kingside Pawns (yellow squares) as his Mobile Pawn Wing.

Of course, White's Queenside Flank Pawns are already a ruined structure (it's the Doubled Pawns, again), so they wouldn't be classed as a Mobile Pawn Wing, anyway.

[Jump to ChessFlash Viewer]

Position #2, My Analysis
PCC, p.80, No. 51B, After 16...Qh7

After: 12...Qd7 13.h3 Ne7 14.Qe1 h5 15.Bd2 Qf5 16.Kh2 Qh7

Point Count Chess - IE - Diagram 51B - Page 80
After: 16...Qh7

So, the image (above) shows White's Kingside Pawn Wing having been restrained. But there are key moves leading up to this that should be looked at in detail ...

Point Count Chess - IE - Diagram 51B - After 12...Qd7
After 12...Qd7
First, 12...Qd8-d7, as shown in the diagram, (left).

Black's Queen-to-d7 serves two functions, which we'll look at in turn, below ...
Point Count Chess - IE - Diagram 51B - After 12...Qd7 - Function 1
(Function 1 of 2) Black's Qd7 prevents 13.g2-g4, as White would be left with critical weaknesses.
Black's Qd7, Function 1 of 2, prevents 13.g2-g4 ...

After: 13.g4 Nxg4 14.Bxg4 Qxg4+ 15 Qxg4 Bxg4, White would have an Isolated Pawn (h3), and a Compromised King-side. Those two weaknesses are sufficient to prevent 13.g2-g4.

See ChessFlash Viewer after 12...Qd7 13.h3 for this hypothetical sequence that Black has prevented, with his Qd7.
Point Count Chess - IE - Diagram 51B - After 12...Qd7 - Function 2
(Function 2 of 2) Black's Qd7 prevents 14.g2-g4, 15.g5, as Black
could salvage Stalemate via the
Three-time Repetition rule.
Black's Qd7, Function 2 of 2, prevents 14.g2-g4, 15.g5 ...

After: 12...Qd7 13.h3 Ne7 14.g4 h5 15.g5 Qxh3, Black would be able to salvage a draw, at the very least, via the Three-time Repetition rule: After White's 16th move, such as 16.g5xf6, Black's Queen would be able to nip back and forth between g3 & h3, forcing White's King to repeat across g1 & h1.

See ChessFlash Viewer after 13...Ne7 14.Qe1 for this hypothetical sequence that Black has prevented, with his Qd7.

Then comes another restricting move by Black ...

Point Count Chess - IE - Diagram 51B - After 14...h5
Black's h-Pawn restricts
White's g-Pawn, After 14...h7-h5
After 14...h7-h5, Black ensures that White's g2-Pawn won't be tempted to advance to g4, for the same reasons laid out in the previous two images (review the two Functions of Black's Qd7).

Indeed, throughout the remainder of the game, White's g-Pawn only gets as far as the g3-square, and becomes a Backward Pawn.

After this, the final moves are made that sees White's Mobile Pawn Wing restrained by the position of Black's selected Pawns & Pieces ...


[Jump to ChessFlash Viewer]

The Result of Black's Restraint of White's Mobile Pawn Wing...

The next diagram, (below), shows the final position of H&M-S's diagram No.51B (Position #2), with a bit of highlighted analysis overlaid by me ...

Point Count Chess - IE - Diagram 51B - After 16...Qh7
After: 16...Qh7
The yellow squares (c1, g1, & d7) show where the respective Pieces were before their moves (Bc1-d2; Kg1-h2; Qd7-f5-h7)

From her safe position up at h7, Black's Queen helps defend the crucially positioned h5-Pawn, which is the main unit preventing White's g-Pawn advancing to g4, and which is currently under attack from White's Be2.

Below, we'll take a look at how Black has deployed a small section of his army to restrict White's Mobile Pawn Wing ...

Point Count Chess - IE - Diagram 51A to 51B - Mobile Pawn Wing Start, 12.Be2 - No Highlights
(START) White's Mobile Pawn Wing,
After: 12.Be2
Point Count Chess - IE - Diagram 51A to 51B - Mobile Pawn Wing Start, 12.Be2
(START) White's Mobile Pawn Wing,
After: 12.Be2
Point Count Chess - IE - Diagram 51B - Mobile Pawn Wing Restraint, Result, After 16...Qh7 - No Highlights
(RESULT) Black Restrains
White's Mobile Pawn Wing,
After: 15.Bd2 Qf5 16.Kh2 Qh7
Point Count Chess - IE - Diagram 51B - Mobile Pawn Wing Restraint, Result, After 16...Qh7
(RESULT) Black Restrains
White's Mobile Pawn Wing,
After: 15.Bd2 Qf5 16.Kh2 Qh7

So, after 16...Qf5-h7, White's Mobile Pawn Wing (yellow squares) has been restrained. The two squares White wants to move his Pawn Wing to are highlighted in green (f5 & g4). Black denies both options in the following ways:

Since h3-h4 would be the end of White's Mobile Pawn Wing, because it would be blocked by the h5-Pawn, Black can claim to have successfully restrained White's Mobile Pawn Wing.

Play through the remainder of the game to see how Black destroys White's Mobile Pawn Wing, en route to victory.


[Jump to ChessFlash Viewer]

PGN

[Event "Dresden"]
[Site "Dresden"]
[Date "1926.??.??"]
[EventDate "?"]
[Round "2"]
[Result "0-1"]
[White "Paul F Johner"]
[Black "Aron Nimzowitsch"]
[ECO "E47"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "80"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. Nd2 b6 10. Nb3 e5 11. f4 e4 12. Be2 {PCC p.79 No. 51A} Qd7 13. h3 Ne7 14. Qe1 h5 15. Bd2 Qf5 16. Kh2 Qh7 {PCC p.80 No. 51B}17. a4 Nf5 18. g3 a5 19. Rg1 Nh6 20. Bf1 Bd7 21. Bc1 Rac8 22. d5 Kh8 23. Nd2 Rg8 24. Bg2 g5 25. Nf1 Rg7 26. Ra2 Nf5 27. Bh1 Rcg8 28. Qd1 gxf4 29. exf4 Bc8 30. Qb3 Ba6 31. Re2 Nh4 32. Re3 Bc8 33. Qc2 Bxh3 34. Bxe4 Bf5 35. Bxf5 Nxf5 36. Re2 h4 37. Rgg2 hxg3+ 38. Kg1 Qh3 39. Ne3 Nh4 40. Kf1 Re8 0-1

End.

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