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Strong Outpost Station
The Station at K5 (2 of 2)

NO. 98 ... p144-145, The Station at K5, Pillsbury v. Tarrasch, 1895

Overall, it's the same as for NO.97: The Station at K5 (e5) is ideal when gearing-up for an attack on Black's Kingside Castled King.

For this example, H&M-S say: "The strength of White's operation rests, (among other things), on the fact that Black dare not swap off the outpost."

White uses his e5-Outpost in the build-up to an attack on Black's Kingside Castled King, to counter Black's Pawn Majority attack on the Queenside.

Beneath the ChessFlash viewer, you'll find my analysis of the position featured in Point Count Chess:
  1. PCC, p.144, No. 98, after 12...a6
  2. Result of the Station at K5 (e5).
  3. PGN

The Station at K5 (e5) ... (2 of 2)
My Analysis

Position #1, My Analysis
PCC, p.144, No. 98, after 12...a6

After: 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.Nf3 Nbd7 6.Rc1 O-O 7.e3 b6 8.cxd5 exd5 9.Bd3 Bb7 10.O-O c5 11.Re1 c4 12. Bb1 a6

Point Count Chess - IE - Diagram 98 - Page 144
After: 12..a6

For this analysis, I'm looking at the Pawns and Pieces that contribute to White's Outpost Station; their first moves and their last positions (whether they get captured or remain there for the duration of the example) ...

1. White's: d-Pawn ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 1.d4 - First Move
(FIRST MOVE) White's d-Pawn,
After: 1.d4
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 52.Qxh4# - Last Position
(LAST POSITION) White's d-Pawn,
After: 52.Qxh4#

White's d-Pawn is the Pawn the secures the e5-Outpost. After it advances to d4, it stays there through to the end of the game, when White wins.

2. White's: c-Pawn ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 2.c4 - First Move
(FIRST MOVE) White's c-Pawn,
After: 2.c4
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 9.cxd5 exd5 - Last Position
(LAST POSITION) White's c-Pawn,
After: 9.cxd5 exd5

White's c-Pawn serves to demolish Black's Chain (f7,[e6],d5), but is traded off the board in the process (9.c4xd5 e6xd5).

3. White's: Bc1 (Dark-Bishop, Queenside) ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 4.Bg5 - First Move
(FIRST MOVE) White's Bc1,
After: 4.Bg5
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 17.Bxe7 Rxe7 - Last Position
(LAST POSITION) White's Bc1,
After: 17.Bxe7 Rxe7

White's dark-Bishop is sacrificed to take Black's own dark-Bishop off the board, which would otherwise threaten the viability of the e5-Outpost, and d4-Pawn (the one securing the Outpost), both being on dark-squares.

4. White's: Ng1 (Kingside Knight) ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 5.Nf3 - First Move
(FIRST MOVE) White's Ng1,
After: 5.Nf3
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 19...f6 20.Ng4 - Last Position
(LAST POSITION) White's Ng1,
After: 13.Ne5 → 19...f6 20.Ng4

White's Kingside Knight waits patiently at f3 (5.Ng1-f3) before jumping across to occupy the e5-Outpost Station (13.Ne5). After 16...Nf6-e4, Black's Kingside Knight moves off the f6-square, making the e5-Outpost vulnerable to Black's f-Pawn, which subsequently forces White's Knight off the e5-Outpost (19...f7-f6 20.Ne5-g4).

White's Kingside Knight moves about a fair bit after that, remaining on the Kingside. Eventually, toward the latter stages of the game, White allows his Kingside Knight to be captured, to lure Black's King further forward (this is a kind of like a Deflection sacrifice), which effectively leads to the demise of Black's game and White's victory.

5. White's: e-Pawn ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 7.e3 - First Move
(FIRST MOVE) White's e-Pawn,
After: 7.e3
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 52.Qxh7# - Last Position
(LAST POSITION) White's e-Pawn,
After: 52.Qxh7#

White's e-Pawn supports the d4-Pawn (the one securing the e5-Outpost). After 7.e2-e3, White's e-Pawn remains on e3 until the very end of the game. So, in a small but vital way it plays its part in White's e5-Outpost, and so the win.

6. White's: Bf1 (Light-Bishop, Kingside) ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 9.Bd3 - First Move
(FIRST MOVE) White's Bf1,
After: 9.Bd3
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 18.Bxe4 dxe4 - Last Position
(LAST POSITION) White's Bf1,
After: 12.Bb1 → 18.Bxe4 dxe4

White's light-Bishop ends up being sacrificed for two purposes.

  1. First, it targets the e4-square, after both 9.Bf1-d3 and 12.Bd3-b1, when it's forced to retreat by Black's Advanced Salient (b5,c4,d5). When Black lands his Knight on the e4-Outpost (Black's own K5 Outpost), White's light-Bishop takes it off the board (18.Bb1xe4), but not before White has also traded dark-Bishops.

  2. Second, that capture (18.Bb1xe4 -- red arrow) leads to the creation of a Protected Passed Pawn (d4-Pawn), after Black's d5-Pawn cannot resist completing the Minor Piece exchange (18...d5xe4).

7. White's: Ke1 + Rh1 (King + Kingside Rook) ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 1.x - First Move
(FIRST MOVE) White's Ke1 + Rh1,
After: 10.O-O
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 10...c5 - Last Position
(LAST POSITION) White's Ke1 + Rh1,
After: 10...c5

Kingside Castling (10.O-O) frees the Kingside Rook, which goes on to support the Pawns that contribute to White maintaining the e5-Outpost (see next entry, below). Black's c-Pawn advances (10...c5) to attack White's d4-Pawn immediately following White's Kingside Castling.

8. White's: Rh1 (Kingside Rook) ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 11.Re1 - First Move
(FIRST MOVE) White's Rh1,
After: 10.O-O → 11.Re1
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 43.Rxg7 Kxg7 - Last Position
(LAST POSITION) White's Rh1,
After: 23.Rf4 → 30.R4f2 → 39.Rg2
→ 43.Rxg7 Kxg7

After a spell supporting the e3-Pawn (which in turn is supporting the d4-Pawn, which in turn is securing the e5-Outpost), White's Kingside Rook returns to the f-file (22.Re1-f1) to support the f-Pawn, which has advanced to f5, creating a Strong Outpost Station at e5 (14.f2-f4, 21.f4-d5).

White's Kingside Rook even occupies a second Outpost, at f4 (23.Rf1-f4), though this appears secondary to supporting the f-Pawn.

White's Kingside Rook remains committed to the f5-Pawn, advancing to enable the Queenside Rook to slide underneath, forming a Battery that offers strong support against the threat from Black's Queen (21...Qd7, which at this point is attacking the f5-Pawn along the c8-h3 diagonal).

Eventually, White's Kingside Rook is traded off the board, in exchange for Black's own Kingside Rook (43.Rg2xg7) -- that move leads to Black's King completing the trade (43...Kh8xg7), which in turn leads to Black's King being enticed further down the board, to its doom.

9. White's: f-Pawn ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 14.f4 - First Move
(FIRST MOVE) White's f-Pawn,
After: 14.f4
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, After 46...Qxf5 - Last Position
(LAST POSITION) White's f-Pawn,
After: 21.f5 → 46...Qxf5

As mentioned above, for a time, White's f-Pawn provides dual Pawn support for the e5-Outpost, after 14.f2-f4.

Then, after 21.f4-f5, White's f-Pawn moves on again, becoming an Advanced Pawn.

Incidentally, from f5, the f-Pawn secures a Strong Outpost Station (e6), as there are no Black Pawns on the adjacent files (d & f) that can contest Control of e6. It's only a footnote in the game, as White never actually gets a Piece to occupy this e6-Outpost -- but then it's not actually needed, as White secures victory without it.

In the end, White's f-Pawn gets taken off the board by Black's Queen (46...Qxf5), but it's of no consequence to White's victory, or to the e5-Outpost, which not only survives but becomes a Strong Outpost Station in the latter stages of the game, after White's g-Pawn takes out Black's f-Pawn (40.g5xf6)


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The Result of White's Station at K5 (e5) ... (2 of 2)

The images, (below), shows my analysis of H&M-S's image (NO. 98), at the position where White has his Outpost Station at K5 (e5) ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 12...a6 - No Highlights
(RESULT) White's
Outpost Station at K5 (e5),
After: 12...a6
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 12...a6
(RESULT) White's
Outpost Station at K5 (e5),
After: 12...a6

With the d4-Pawn guarding the fifth rank square (e5), H&M-S consider White to have the e5-Outpost, at this point. I would have to say White has an Outpost, but not a Strong Outpost Station. Here's my reasoning: A Strong Outpost Station is one that cannot be attacked from either adjacent file, by the enemy Pawns. This is because the enemy Pawns have either:

  1. Advanced beyond the point where they can attack the Outpost;
  2. Captured and so moved off the adjacent file;
  3. Have been captured and so are no longer on the board.

In the image (above-right), the yellow arrow shows that Black's d-Pawn has advanced beyond the e5-Outpost, so is no longer a problem for White.

That just leaves Black's f-Pawn, which still remains on the f-file (red square). The reason I believe White can still claim to have the e5-Outpost is because Black's Nf6 (green square) blocks the f-Pawn, preventing it from attacking the e5-Outpost square.

White's Kingside Knight is ready to leap across to occupy the e5-Outpost (red arrow). We can see the outcome, below ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 13.Ne5 b5 - No Highlights
(RESULT) White's
Outpost Station at K5 (e5),
After: 13.Ne5 b5
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 13.Ne5 b5
(RESULT) White's
Outpost Station at K5 (e5),
After: 13.Ne5 b5

H&M-S point out that White has:

Black cannot attack White's Ne5 without serious disadvantage ...

For example, playing ...Nd7xe5 invites d4xe5, which forces Black's Knight to leave its position defending d5 & e4, while also blocking the attack from Bg5 against Be7. Then Black has mounting problems for his f-Pawn -- White could choose to expend the e5-Pawn, to take out Black's f7-Pawn, which would solve White's Doubled Pawns (e3 & e5).

So, Black has to settle for advancing his Queenside Pawns (yellow arrows), during which White gets to reinforce the e5-Outpost (14.f2-f4 -- red arrow).

I thought it might be useful to see the creation of a new Outpost Station, which occurs as Black gains the Outpost at e4, as soon as White's f-Pawn leaves f2 for f4 ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 14.f4 - No Highlights
(RESULT) Black's
Outpost Station at K5 (e4),
After: 14.f4
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 14.f4
(RESULT) Black's
Outpost Station K5 (e4),
After: 14.f4

In the diagrams (above), we see are no more White Pawns able to defend the e4-square -- no White Pawns can contest Control of e4, as they've moved out of range to attack this square (red & yellow arrows). The e4-square has become a Hole, and, with Black's d5-Pawn in position as well, this appears to be what signals the creation of an Outpost.

Note that Black's f7-Pawn is currently blocked-in by the Nf6, which is what enables White to claim the e5-Outpost; as soon as Nf6 moves, Black's f-Pawn can challenge White's d4-Pawn for Control of e5, which will eliminate White's Outpost, until White is able to get rid of Black's f-Pawn.

The next image set shows Black's e4-Outpost, after Black's Nf6, having briefly occupied the Outpost, has been captured by White's light-Bishop ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 18.Bxe4 - No Highlights
(RESULT) Black's
Outpost Station at K5 (e4),
After: 18.Bxe4
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 18.Bxe4
(RESULT) Black's
Outpost Station at K5 (e4),
After: 18.Bxe4

The images (above) shows the aftermath of the capture of Black's Ne4. At the moment, Black just about still has his e4-Outpost, due to the presence of the d5-Pawn.

But, as soon as the Pawn goes to capture White's Be4, there will be no Pawn guard for the e4-square, therefore Black's e4-Outpost will no longer exist, (which is what happened, after 18...d5xe4).

Okay, now we can get back to looking at the last few images featuring White's own K5 Outpost (e5) ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 19...f6 20.Ng4 - No Highlights
(RESULT) White's
Outpost Station at K5 (e5),
After: 19...f6 20.Ng4
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, After 19...f6 20.Ng4
(RESULT) White's
Outpost Station at K5 (e5),
After: 19...f6 20.Ng4

The images (above) show White's Ng4, having been chased off e5, by the advance of Black's f-Pawn (red square). At present, White's e5-Outpost still exists, courtesy of the d4-Pawn, but it's not a Strong Outpost, due to the attack by Black's f6-Pawn, which prevents White occupying the e5-Outpost.

Finally, we get to the position where H&M-Ssay "White has won the skirmish of the outposts", which happens after 21.f4-f5 ...

Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, Ater 21.f5 - No Highlights
(RESULT) White's
Outpost Station at K5 (e5),
After: 21.f5
Point Count Chess - IE - Diagram 98 - Strong Outpost Station, Result, Ater 21.f5
(RESULT) White's
Outpost Station at K5 (e5),
After: 21.f5

Looking at the images (above), while White's own Knight has been chased off the e5-Outpost, H&M-S say its new position (Ng4) is a stronger position for the Knight.

Black's e4-Outpost has been demolished and Black's e4-Pawn is a bonus for White (green square), as it inadvertently protects White's Backward e3-Pawn, which would otherwise be under frontal attack from Black's Re7 (red arrow).

Point Count Chess - IE - Diagram 98 - Result, After 49...fxg5 - No Highlights
(RESULT) White's
Strong Outpost Station at K5 (e5),
After: 49...fxg5
The image (left) shows how, in the dying moves of the game, White gains the Strong Outpost Station at e5, when Black's f-Pawn leaves to capture White's Rook (49...f6xg5).

White's Strong Outpost isn't actually used (occupied), en route to him winning the game, but it's useful to see the creation of a Strong Outpost Station, to identify them for your own games.

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PGN

[Event "02, Hastings"]
[Site "02, Hastings"]
[Date "1895.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Harry Nelson Pillsbury"]
[Black "Siegbert Tarrasch"]
[ECO "D63"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "103"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 Nbd7 6. Rc1 O-O 7. e3 b6 8. cxd5 exd5 9. Bd3 Bb7 10. O-O c5 11. Re1 c4 12. Bb1 a6 {PCC p.144 No. 98} 13. Ne5 b5 14. f4 Re8 15. Qf3 Nf8 16. Ne2 Ne4 17. Bxe7 Rxe7 18. Bxe4 dxe4 19. Qg3 f6 20. Ng4 Kh8 21. f5 Qd7 22. Rf1 Rd8 23. Rf4 Qd6 24. Qh4 Rde8 25. Nc3 Bd5 26. Nf2 Qc6 27. Rf1 b4 28. Ne2 Qa4 29. Ng4 Nd7 30. R4f2 Kg8 31. Nc1 c3 32. b3 Qc6 33. h3 a5 34. Nh2 a4 35. g4 axb3 36. axb3 Ra8 37. g5 Ra3 38. Ng4 Bxb3 39. Rg2 Kh8 40. gxf6 gxf6 41. Nxb3 Rxb3 42. Nh6 Rg7 43. Rxg7 Kxg7 44. Qg3+ Kxh6 45. Kh1 Qd5 46. Rg1 Qxf5 47. Qh4+ Qh5 48. Qf4+ Qg5 49. Rxg5 fxg5 50. Qd6+ Kh5 51. Qxd7 c2 52. Qxh7# 1-0

End.

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