Endings 07 - Rook vs Bishop.pdf
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Endgame Corner
Endgame Corner
Rook vs Bishop
Richard Forster analysed a very interesting ending in his April 2001 Late
Knight column, which was reached in a game between Staunton and Horwitz
and asked me about my opinion. I answered his question (it was on the
ChessCafe.com
Bulletin Board item no. 320–1) and promised to deal with the
subject in more detail. Now I want to keep my promise:
7.01
Staunton - Horwitz
London match
1846 17th game +/-
Endgame
Corner
"Since Staunton just says 'and wins', we
do not know whether Horwitz resigned
at this point or whether further moves
were played"(Forster). The position is
winning for White in any case:
1...Kh6
2.Kb5!?
The easiest way to win is to
transfer the king to a6 first. But 2.Rb2
immediately wins as well: 2...Kg6
3.Rxb6 Bd2
(3...Kf6 4.Rb2 Ke5
5.Rb5++-)
4.Rb2 Be1 5.Re2 Bb4 6.Rf2
Kg5 7.Kb6 Be1 8.Rf8 Bb4 9.Ra8 Kf6 10.Rxa5+-
2...Bc5 3.Ka6 Kh7 4.Rb2
Kg6
(4...Bb4 5.Kxb6 Kg6 6.Rf2+-)
5.Rxb6+ Kf7 6.Kxa5+-
Karsten Müller
The following classic shows, how
complicated this ending can be. My
discussion follows Averbakh.
7.02
Salwe - Rubinstein
Prague 1909
1...Rf7
Maizelis showed the right path,
which is surprisingly not driving the king
into the open field, but attacking him
near the edge: 1...Kd3 2.Bf4 Ke2 3.Bg5
Rf3+ 4.Kg2 Ra3 5.Be7 Ra4 6.Bd8 Rg4+
7.Kh3 Kf3 8.Bc7 Rg1 9.Bh2 Rf1 10.Bg3
Rh1+ 11.Bh2 Ke4 12.Kg2 Rd1 13.Bg3
(13.Bg1 Kf4 14.Bc5 Kg4 15.Be7 Rd2+
16.Kf1 Kf3 17.Kg1 Kg3 18.Kf1 Rd4 19.Bg5 Re4 20.Bd8 Re6 21.Bg5 Re8–+)
13...Rd2+ 14.Kh3
(14.Bf2 Kf4 15.Kh3 Rd3+ 16.Kg2 Kg4–+)
14...Kf5
15.Bh2
(15.Be1 Rd3+ 16.Kg2 Kg4 17.Kf2 Rd7 18.Ke2 Re7+ 19.Kd2 Kf3
20.Kd1 Re4 21.Kd2 Re2+ 22.Kd1 Rh2 23.Kc1 Ke2 24.Bg3 Rh3–+)
15...Rd3+ 16.Bg3 Ra3 17.Kg2 Kg4 18.Bf2 Ra2 19.Kg1 Kf3 20.Bd4 Kg3
21.Bf6 Rg2+ 22.Kh1 Re2–+
2.Bh6 Rf3+ 3.Kg2 Rd3?
this let's White's king
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Endgame Corner
out of the corner. But it must be stressed, that this plan was not known at
Rubinstein's time.
4.Bg5?
4.Kf2 was called for.
4...Kf5? 5.Kf2!
I think, that
there are two ways of looking at this: 1) the modern view: now Salwe
escapes from the corner into the open field, which is the right plan.2) the
way valid at the time of the game: now Rubinstein has forced Salwe away
from his pawn
5...Kg4 6.Ke2 Rf3 7.Bh6 Kg3 8.Bg5 Rf8 9.Ke3 Re8+
10.Kd3 Kf3 11.Kd4 Re6
12.Kd5?
the decisive mistake. Baranow
proved, that Black can't break through
after 12.Kd3 Rd6+ 13.Kc3! Rd7 14.Kc4
Ke4 15.Kc3 Rd3+ 16.Kc2! and Black
can't make meaningful progress.
16.Kc4? is wrong: Rg3 17.Bd8 Rg8
18.Be7 Rc8+–+
12...Re4 13.Bf6 Kf4
14.Bd8 Kf5 15.Bg5 Rg4 16.Be7 Rg7
17.Bf8
(17.Bg5 Rxg5 18.hxg5 Kxg5
19.Ke4 Kg4–+)
17...Rd7+ 18.Kc6 Rd4
19.Be7 Ke6 20.Kc5 Rd5+ 21.Kc4 Rf5
22.Bd8 Kd7 23.Bb6
(23.Bg5 Rxg5
24.hxg5 h4 25.g6 Ke7–+)
23...Rf4+
and
Rubinstein won the game after a few more moves.
In the next game Rubinstein reaches his
aim again . This time he manages to
draw with the bishop.
7.03
A.Rubinstein - S.Tartakower
Vienna 1922
74.Bc1 ½–½
Black has to protect the g5 pawn, so one
of his pieces is tied down and he can't
break through:
68.Kf3 Kd4 69.Be3+
Kd3 70.Bc1 Rg7 71.Kf2
The brutal
71.Bxg5? fails: 71...Rxg5 72.Kf4 Rg8
73.g5 Kd4 74.Kf5 Kd5 75.Kf6 Kd6–+
71...Kc2 72.Be3 Rg8 73.Kf3 Kd3
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Endgame Corner
The following fortress is very important
as it occurs quite often in practical play:
7.04
P.Leko
(2743)
- A.Beliavsky
(2654)
Istanbul Ol (Men) 2000
72.g4!?
(72.Rc7+ Kg8=)
72...hxg4
73.Rxg4 Kh6!
this counterattack against
the weak h4-pawn secures the draw.
74.Rg5 Bc3 75.Kf7 Be1 76.Rxg6+ Kh5
77.Rg1 Bf2
(77...Bxh4 is playable as
well.)
78.Rg2 Be1 79.Kf6 Kxh4
79...Bc3+ draws as well, but all other
moves lose. 79...Bb4 loses for example
in 44 moves according to the Nalimov endgame tablebase.
80.Kf5 Bg3
81.Rc2 Kh3 82.Rc3 Kh4 83.Rc8 Bd6 84.Rc3 Bb8 85.Rc8 Bd6 86.Rg8
Kh3 87.Ke4 Kh4
and after some further moves a draw was agreed.
I want to end this article with a very complicated example, that was analysed
in detail by German chess trainer and columnist Claus Dieter Meyer, who
was a trainer in Hamburg for a long time:
7.05 Claus Dieter Meyer Hamburg 1997,
ChessBase Magazine
77
1.c5!?
was my proposal at a training
session in 1997 to break through Black's
defence. Other tries include 1.Rxg6+
Kh7 2.Re6
(2.Rd6 Bc5 3.Re6 a3 4.Rc6
Bd4 5.Rc7+ Kh6 6.Ra7
6...Bc5=)
2...a3 3.Re2 Kh6 4.Ra2
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Endgame Corner
4...Bc5
(4...Bb2? 5.Kf5 Kxh5 6.Ke6 Kg5
7.Kd5 Kf5 8.Kc6 Ke5 9.Kxb6 Kd4 10.c5
Kc4 11.c6 Kb3 12.Rxa3++-)
5.Kf5 Bb4
6.Rg2 Bc3 7.Rg6+ Kh7
(7...Kxh5? 8.Rg3
Be1 9.Rh3+ Bh4 10.Rxa3+-)
8.Rxb6 a2=
and 1.hxg6 a3=
1...a3
(1...bxc5? gives
White's rook free access to the a-file:
2.Rxg6+ Kh7 3.Ra6 a3
(3...Kg7 4.h6+
Kh7 5.Kh5 c4 6.Rxa4 Be3 7.Rxc4 Bxh6
8.Rc7+ Bg7 9.Kg5+-
as Black's king is
in the wrong corner.
)
4.Rxa3 Kg7 5.Ra6
Be3 6.Rc6 Kh7 7.Kf3 Bd4 8.h6 c4
9.Kg4+-, but not 9.Rxc4? Bf6 10.Kg4
Kxh6=. After 1...Bxc5? 2.hxg6 wins e.g. 2...a3 3.Kf5 Kg7 4.Rc7+ Kg8
5.Ra7 b5
(5...Bb4 6.g7 Kh7 7.Kf6 Bc3+ 8.Kf7 Bxg7 9.Rxa3+-)
6.Ra8+ Kg7
7.Ra5 Bb4 8.Ra7+ Kg8 9.g7+-)
2.Rxg6+ Kh7
3.c6!
3.cxb6?! allows stalemate motives:
3...a2 4.b7 a1Q 5.b8Q
and now neither
A)
5...Qg1+? 6.Qg3
A1)
6...Qc1 7.Rd6 Qd1+
(7...Qc4 8.Qf4+-)
8.Qf3 Qg1+ 9.Kh3+-;
A2)
6...Qd1+
7.Qf3 Qg1+ 8.Kh3+- nor
B)
5...Bg7? 6.Qf4 Qg1+
(6...Qd1+ 7.Qf3
Qd7+ 8.Kh4+-)
7.Qg3 Qc1 8.Qf3+-, but
C)
5...Qd1+!
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Endgame Corner
6.Kg5
(6.Kg3 Be5+! 7.Qxe5 Qf3+ 8.Kh4
Qh3+ 9.Kg5 Qxh5+ 10.Kxh5
stalemate
;
6.Kf5 Qxh5+ 7.Rg5 Qh3+=; 6.Kf4
Be5+!=)
6...Be3+ 7.Kf6 Qf3+ 8.Ke7
Bc5+ 9.Ke6 Qh3+! 10.Kf6 Qf3+ 11.Ke6
Qh3+=
3...a2 4.c7 a1Q 5.c8Q
and now
C.D.Meyer's main line runs as follows:
5...Qd1+ 6.Kf4! Qd2+ 7.Ke4 Qe3+
8.Kd5 Qe5+ 9.Kc4!
After 9.Kc6? Black
can exchange the queens as White's king
is too far away from his h-pawn, e.g.
9...Qc5+ 10.Kb7 Qxc8+ 11.Kxc8 b5
12.Rg5
(12.Kd7 b4 13.Ke6 b3 14.Rg3
Kh6 15.Kf5 b2=)
12...b4
(12...Kh6?
13.Rxb5+-)
13.Rb5 Bc3
(13...Kh6?
14.Rxb4+-)
14.Rb6
(14.Kd7 Kh6=)
14...Be1 and now both
A)
15.Kd7 Bd2
16.Ke8
(16.Ke6 Kh6=)
16...Bg5 17.Kf7
Bd2 18.Rg6 Bc3
(18...b3? 19.Rb6+-)
19.Ke6 b3= and
B)
15.Kb7 Bf2!
16.Rxb4 Kh6= are not sufficient to win.
9...b5+
(9...Qc5+? 10.Qxc5 Bxc5 (See
Diagram)
11.Kd5 Bf2 12.Ke4 b5 13.Kf3 Be1
14.Rb6 b4 15.Kg4 Bd2 16.Rb7+ Kh6
17.Rc7!+-)
10.Kb4 Qe7+ 11.Ka5 Qa3+
12.Kxb5 Qb3+ 13.Kc6 Qc4+ 14.Kb7
Qb5+ 15.Ka8 Qa5+ 16.Ra6 Qxh5
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