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The Bishop-Pair
(2 of 3)

Point Count Chess, NO. 143, p206
Tarrasch v. Teichmann, 1905

This example highlights the need for the Bishops to have space and mobility, in order to be effective. Without this, the advantage of having the Bishop-pair is diminished -- and if neither of the two Bishops can gain the space to be effective, the Bishop-pair is no advantage whatsoever.

Beneath the ChessFlash viewer, you'll find my analysis of the position featured in Point Count Chess:
  1. PCC, p.206, No. 143, after 38...Nf6
  2. Result of White's Bishop-pair.
  3. PGN

The Bishop-Pair (2 of 3)
My Analysis

Position #1, My Analysis
PCC, p.206, No. 143, after 38...Nf6

After: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.h3 Bd7 9.d4 h6 10.Bc2 Re8 11.Nbd2 Bf8 12.Nf1 g6 13.Ng3 Bg7 14.Be3 Kh7 15.Qd2 Qe7 16.d5 Nd8 17.c4 a5 18.b3 b6 19.a3 Nb7 20.b4 Ra7 21.Qc3 Ng8 22.Nd2 Rea8 23.f3 Nf6 24.Bb3 Be8 25.Rac1 Nd7 26.Qc2 Bf8 27.Ne2 Bg7 28.Nc3 Nf6 29.Nb5 Bxb5 30.cxb5 Ne8 31.Qd3 axb4 32.axb4 Nd8 33.Qf1 Qd7 34.Ra1 Qc8 35.Rxa7 Rxa7 36.Ra1 Rxa1 37.Qxa1 Qb8 38.Qa6 Nf6

Point Count Chess - IE - Diagram 143 - Page 206
After: 38...Nf6

In the following analysis, I look at the point when White's Bishop-pair is created; their ineffectiveness, due to lack of combined space and mobility; and then, how White rectifies the problem ...

1. The Creation of White's Bishop-pair ...

Point Count Chess - IE - Diagram 143 - The Bishop-pair, After After 25...Nd7
The Bishop-pair,
1. The Creation of White's
Bishop-pair, After 25...Nd7
After 25...Nf6-d7, the game appears to have reached a state where all the good developing moves have been made.

Now, the challenge is to find a way to Expand beyond this constricted position.

It seems the threat of White getting a Knight to occupy the b5-Outpost (and/or to attack Black's Ra7), was the spark that led to White gaining the Bishop-pair.
Point Count Chess - IE - Diagram 143 - The Bishop-pair, After 26.Qc2
The Bishop-pair,
1. The Creation of White's
Bishop-pair, After 26.Qc2
After 26.Qc3-c2, in successive moves, White brings his King Knight (Ng3) across and up onto the b5-Outpost (27.Ng3-e228.Ne2-c329.Nc3-b5).
Point Count Chess - IE - Diagram 143 - The Bishop-pair, After 28...Nf6
The Bishop-pair,
1. The Creation of White's
Bishop-pair, After 28...Nf6
While White is relocating his Knight over to b5, Black is maneuvering his Pieces to deal with White's Knight -- he gets his Nd7 out of the way (28...Nd7-f6), which opens the diagonal path from his light-Bishop (Be8), to White's b5-Outpost.
Point Count Chess - IE - Diagram 143 - The Bishop-pair, After 30.cxb5
The Bishop-pair,
1. The Creation of White's
Bishop-pair, After 30.cxb5
White gains the Bishop-pair ...

As soon as White lands his Knight onto the b5-Outpost (29.Nc3-b5), Black captures with his light-Bishop (29...Be8xb5), giving White Doubled Pawns (b4,b5), after 30.cxb5, but also the Bishop-pair (Bb3 & Be3, vs. Black's Bg7).
Point Count Chess - IE - Diagram 143 - The Bishop-pair, Note: White's Doubled Pawns, aren't such a weakness
Note: White's Doubled Pawns, aren't such a weakness.
Note: White's Doubled Pawns aren't such a weakness, in this situation ...

The position of White's Advanced d-Pawn, combined with Black's Backward c7-Pawn, mean that Black cannot move his c7-Pawn to attack White's b5-Pawn (30...c7-c6), as that would enable (31.b5xc6), extending White's Advanced Chain to Black's third rank (c6), and increasing the Cramping effect against Black's Queenside position.

2. White's Bishop-pair are starved of Space & Mobility ...

Point Count Chess - IE - Diagram 143 - The Bishop-pair, After 32.axb4
The Bishop-pair,
2. White's Bishop-pair are starved of Space & Mobility, After 32.axb4
The Bishop-pair need Space & Mobility (freedom to use the space), in order to be effective.

At present, White only has an effective dark-Bishop -- only half of the pairing can do anything useful.

In order to take advantage of the combined power of having the Bishop-pair, White must create clear diagonals on the light squares, so that his light-Bishop can also have an impact on Black's position.

3. Giving the Bishop-pair Space & Mobility ...

Point Count Chess - IE - Diagram 143 - The Bishop-pair, After 38...Nf6
The Bishop-pair,
3. Giving the Bishop-pair Space
& Mobility, After 38...Nf6
The image (left) shows H&M-S's featured position (No.143), after a small battle that's seen the removal of both sets of adverse Rooks, from the board.

That still leaves White with an ineffective Bishop-pair, since only one of them has, the dark-Bishop, has space & Mobility to attack Black's territory.

The light-Bishop remains hampered by friendly Pawns on the light-squares. However, with the battle of the Rooks now at an end, White can focus on giving his light-Bishop the space it needs ...
Point Count Chess - IE - Diagram 143 - The Bishop-pair, After 38...Nf6
The Bishop-pair,
After 38...Nf6
Because of the blockage on the Queenside, caused by the blocked and immobile Pawns, White must engineer space and mobility on the Kingside, for his light-Bishop to play a more effective role in the game (then he'll have an effective Bishop-pair partnership).
Point Count Chess - IE - Diagram 143 - The Bishop-pair, After 38...Nf6
The Bishop-pair,
After 38...Nf6
White makes successive moves to give his light-Bishop the space and mobility it needs, in order to give himself an effective Bishop-pair(ing).

He gets this after: 39.Bb3-c440.g2-g341.h3-h442.Bc4-f143.Bf1-h3

[Jump to ChessFlash Viewer]

The Result of White's Bishop-pair...

In the image (below), see how the mobility of White's two Bishops criss-cross each other, both attacking units of Black's army, while also serving to deny Black's Pieces safe expansion to those squares highlighted ...

Point Count Chess - IE - Diagram 143 - The Bishop-pair, Result, After 43.Bh3
(RESULT) The Bishop-pair,
After 43.Bh3
This makes it awkward for Black to rearrange his troops, for both defensive and offensive functions.

By comparison, White is able to move his Pieces with greater freedom, which makes it easier to build his attacks against Black's position.

And White's Bishop-pair gets to do all this from the safety of its own territory; they're quite secure behind those Kingside Pawns.

[Jump to ChessFlash Viewer]

PGN

[Event "Ostend"]
[Site "15"]
[Date "1905.??.??"]
[EventDate "?"]
[Round "?"]
[Result "1-0"]
[White "Siegbert Tarrasch"]
[Black "Richard Teichmann"]
[ECO "C87"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "135"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.h3 Bd7 9.d4 h6 10.Bc2 Re8 11.Nbd2 Bf8 12.Nf1 g6 13.Ng3 Bg7 14.Be3 Kh7 15.Qd2 Qe7 16.d5 Nd8 17.c4 a5 18.b3 b6 19.a3 Nb7 20.b4 Ra7 21.Qc3 Ng8 22.Nd2 Rea8 23.f3 Nf6 24.Bb3 Be8 25.Rac1 Nd7 26.Qc2 Bf8 27.Ne2 Bg7 28.Nc3 Nf6 29.Nb5 Bxb5 30.cxb5 Ne8 31.Qd3 axb4 32.axb4 Nd8 33.Qf1 Qd7 34.Ra1 Qc8 35.Rxa7 Rxa7 36.Ra1 Rxa1 37.Qxa1 Qb8 38.Qa6 Nf6 {PCC p.206 No.143} 39.Bc4 Kg8 40.g3 Kf8 41.h4 Nd7 42.Bf1 Ke8 43.Bh3 Bf8 44.Nc4 h5 45.g4 Be7 46.Bf2 Bf6 47.gxh5 gxh5 48.Kh1 Qb7 49.Ne3 Nf8 50.Nf5 Qb8 51.Qa1 Ng6 52.Bg3 Bh8 53.Kh2 Qb7 54.Bg2 Qc8 55.Qc1 Qd7 56.Bh3 Kf8 57.Qh6+ Kg8 58.Qxh5 Qe8 59.Qg5 Kf8 60.h5 Nf4 61.Bh4 f6 62.Qh6+ Kg8 63.Bxf6 Nf7 64.Ne7+ Qxe7 65.Qxh8+ Nxh8 66.Bxe7 Nf7 67.Be6 Nxh5 68.Bd8 1-0

End.

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