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g15713's favorite Sundry endings
Compiled by g15713
--*--

Pawnless chess endgames:

------<4-Piece Syzygy Tablebases>-------------------
-------Rook versus one minor piece:-------------------
Rook vs. Knight with the defender's King on the edge of the board - Game 3
Rook vs. Bishop with the defender's King in a bad corner - Game 4

------<5-Piece Syzygy Tablebases>-------------------
-------Rook + minor piece vs. Rook:------------------
Rook & Knight vs. Rook with the defender's King in the corner - Game 6*
Rook & Bishop vs. Rook - Game 7 (<Cochrane Defense>, Game 5, 8 (<Szén position>)
Rook & Bishop vs. Rook - Game 9 & 10
Rook & Bishop vs. Rook - Game 20 (<Philidor position> on move 102

-------Queen versus two minor pieces-----------------
Queen vs. Bishop & Knight - Games 11 & 15* (<Karstedt fortress, 1903>)

------<6-Piece Syzygy Tablebases>-------------------
-------Queen + minor piece vs. 2 Rooks:-------------
Queen and Bishop versus Two Rooks - Game 1
Queen and Knight versus Two Rooks - Game 2

-------2 Rooks vs. Rook + minor piece:---------------
Two Rooks versus Rook and Knight - Game 3
Two Rooks versus Rook and Bishop - Game 4

-------Rook + Bishop + Knight versus Queen:--------
Rook & Bishop & Knight vs. Queen - Games 13 & 14

------<7-Piece Syzygy Tablebases>-------------------
-------2 Rooks + minor piece vs. 2 Rooks:------------
Two Rooks & Knight vs. Two Rooks - Game 6
Two Rooks & Bishop vs. Two Rooks - Games 7 thru 10

-------Queen + minor piece vs. Rook + 2 minor pieces:-------
Queen & Knight vs. Rook & Bishop & Knight - Game 15

Interesting unusual endings:

-----<Complete game score now available - 138 moves!>------
White Rook & pawn vs. Black Rook & Bishop - Game 5

Queen vs. Bishop & Knight & pawn - Game 11

3 White pawns vs. Black Bishop & pawn - Game 12
4 White pawns vs. Black Bishop & two pawns - Game 12*
White Rook & 4 pawns vs. Black Rook & Bishop & two pawns - Game 12

Rook & Bishop & Knight vs. Queen & pawn - Game 13
Rook & Bishop & Knight vs. Queen & two pawns - Game 14

* in a game: an alternative scenario for a position that could arise but did not actually happen

The secrets of Rook + Knight vs Rook endgames
'https://www.youtube.com/watch?v=tsq...

Winning with Rook and Bishop vs Rook: Philidor Position
'https://www.youtube.com/watch?v=wDu...

A Rare Chess Fortress: Queen vs. Bishop & Knight Endgame
'https://video.search.yahoo.com/sear...

'https://syzygy-tables.info/endgames

'Wikipedia article: Chess endgame

'Wikipedia article: Chess symbols in Unicode

'Wikipedia article: Endgame tablebase

'Wikipedia article: Fortress (chess)

'Wikipedia article: Pawnless chess endgame

'Wikipedia article: Rook and bishop versus rook endgame

'Wikipedia article: Queen and pawn versus queen endgame

'Wikipedia article: John Nunn

Secrets of Pawnless Endings (1994, 2002), Gambit Publications. ISBN 1-901983-65-X.

Syzygy statistics (<unique positions>)------Status----Assessment (Wiki Pawnless chess endgame)

KR__ vs. KB_ superior forces win 18.4%----Draw-----Easy, if defender goes to the correct corner
KRN_ vs. KR_ superior forces win 19.2%----Draw-----Easy
KRB_ vs. KR_ superior forces win 21.9%----Draw-----Easy, if the Cochrane Defense is used
KR__ vs. KN_ superior forces win 28.2%----Draw-----Easy, <but keep the Knight close to its King>
KRBN vs. KQ_ superior forces win 29.9%
KRR_ vs. KRB superior forces win 32.2%
KQP_ vs. KQ_ superior forces win 40.6%
KRR_ vs. KRN superior forces win 42.1%
KRRP vs. KRR superior forces win 45.5%
KRRN vs. KRR superior forces win 46.0%
KQN_ vs. KRR superior forces win 51.9%
KRRB vs. KRR superior forces win 54.0%
KQN vs. KRBN superior forces win 61.6%
KQB_ vs. KRR superior forces win 62.9%
KQ__ vs. KBN superior forces win 81.8%----Win------Easy

Endgame Explorer statistics---------Total # of----In my opinion
(these results will change with time)
attacker wins ==> superior forces win

KRN_ vs. KR_ attacker wins 10.5% 534 games---Not so trivial, watch above (R + N versus R) video
KR__ vs. KN_ attacker wins 17.5% 297 games
KR__ vs. KB_ attacker wins 17.8% 253 games
KRR_ vs. KRB attacker wins 20.0% _25 games---Excellent chances to draw
KRR_ vs. KRN attacker wins 40.0% _15 games---Much depends on the Knight's position to its King
KRRP vs. KRR attacker wins 41.4% 116 games---*Extra pair of rooks adds good attacking chances KRB_ vs. KR_ attacker wins 42.9% 734 games---Tricky to defend, good winning chances in practice
KQP_ vs. KQ_ attacker wins 46.4% 416 games
KRBN vs. KQ_ attacker wins 50.0% __4 games---Should be a draw but it is not so easy to defend
KRRB vs. KRR attacker wins 50.0% __4 games---*Extra pair of rooks adds superb attacking chances KQN vs. KRBN attacker wins 50.0% __2 games---Queen + Knight make a strong attacking combo
KRRN vs. KRR attacker wins xx.x% see Game 6--*Neither a general win nor a general draw
KQN_ vs. KRR attacker wins xx.x% see Game 2--*General draw, 'third rank defense' by the 2 rooks
KQB_ vs. KRR attacker wins xx.x% see Game 1--*General win
KQ__ vs. KBN attacker wins 82.4% _17 games ---Watch above (rare draw Q versus B + N) video

* Attacker must be on guard for positions where the weaker side can force a perpetual rook trade threat or perpetual check on the attacker's king, leading to a draw.

KRRB vs. KRR ending - a lot depends on who moves first
<"From a purely statistical point of view, White to move wins about 80% of the time, while Black to move loses 30% of the time. Normally this would indicate it is not a general win, although statistics can be misleading."> Marc Bourzutschky from Rybka Chess Community Forum July 13 2012

#01 Tablebase win (♕+♗ versus ♜+♜)
A Rios Parra vs Victor Miguel Miguel Lago, 1989 
(B17) Caro-Kann, Steinitz Variation, 88 moves, 1-0

#02 61. Rbc3 draws! (♖+♖ versus ♛+♞)
M Nouro vs P H Nielsen, 1996 
(B18) Caro-Kann, Classical, 80 moves, 0-1

#03 79...Na6 draws! (♖+♖ versus ♜+♞)
P Palachev vs Nikolay Shirshov, 2017 
(E15) Queen's Indian, 91 moves, 1-0

#04 Black can draw (♖+♖ versus ♜+♝)
B Chatalbashev vs S Kristjansson, 2003 
(E14) Queen's Indian, 71 moves, 1-0

#05 Close, but no cigars = (♖+♙ vs. ♜+♝)
Pinter vs Razuvaev, 1982 
(E41) Nimzo-Indian, 80 moves, 1/2-1/2

#06 Tablebase win (♖♖♘ versus ♜♜)
K Haznedaroglu vs J Markos, 2006 
(B30) Sicilian, 96 moves, 1/2-1/2

#07 43...Rd5 draws! (♖♖♗ vs. ♜♜)
Y Kryvoruchko vs Anand, 2014 
(C47) Four Knights, 92 moves, 1-0

#08 83...Rc1 draws! (♖♖♗ vs. ♜♜)
T Haritakis vs Konstantinos Karanikolas, 1996 
(A04) Reti Opening, 86 moves, 1-0

#09 48...Rf7 draws! (♖♖♗ vs. ♜♜)
R Djurhuus vs Rantanen, 1989 
(B25) Sicilian, Closed, 117 moves, 1/2-1/2

#10 108...Kh4/Kh5 wins (♖♖ vs ♜♜♝)
Ding Liren vs A Giri, 2015 
(D78) Neo-Grunfeld, 6.O-O c6, 172 moves, 1/2-1/2

#11 101. Ke6? but Kc5! wins (♕ vs ♝+♞+♟)
M Antipov vs L Johansson, 2014 
(B30) Sicilian, 114 moves, 1/2-1/2

#12 Only 70. g6 draws! (♙♙♙ vs ♝♟)
A Zapata vs Vaganian, 1984 
(C05) French, Tarrasch, 74 moves, 0-1

#13 78. Rf7+? loses but 78. Nxg2! draws / 79...Qc3+! wins
V Gunina vs Zhao Xue, 2012 
(E15) Queen's Indian, 93 moves, 1/2-1/2

#14 68...Qxb3+= (♖♗♘ vs ♛♟♟)
Neverov vs A Mastrovasilis, 2005 
(A70) Benoni, Classical with 7.Nf3, 148 moves, 1-0

#15 41...Rxe2!! draws (♕♘ vs. ♜♝♞)
R Berzinsh vs V Burmakin, 2013 
(B06) Robatsch, 55 moves, 1/2-1/2

#20 Tablebase win after 102...Ka4? (♖+♗ vs ♜)
Caruana vs Svidler, 2016 
(C78) Ruy Lopez, 116 moves, 1/2-1/2

16 games

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