Shakmaty Bereolos - The Official Chess Site of Peter Bereolos

Reuben Fine's Basic Chess Endings (David McCay, New York 1941) was one of the first English language endgame encyclopedias. It was long recognized as one of the finest texts on the endgame. However, with a work of this magnitude, especially in the days before computers, it was inevitable that many improvements in the analysis would be been found, some even overturning the evaluation of positions. My original intention in starting this page was to try to compile these improvements on the web.

In 2003 an edition revised by Pal Benko was published by Random House. The new edition converted the text to algebraic notation, renumbered the positions, and cleaned up some of the analysis. However, some analysis remains incorrect in the new edition, so I have decided to continue to maintain this page.

The overall spirit of this page is that we can all learn from our mistakes and the mistakes of others as Mark Dvoretsky has pointed out with his book Tragicomedy in the Endgame. My intention is to provide a free online posting of these corrections. I do not wish to copy the compilations of others, so I will be rebuilding the list with (hopefully) proper credit to those who first made the discoveries, although if the position has been solved by tablebase I have not always tried to research who may have previously discovered the correction. If you have additions to this list please send me email with the position number, corrected analysis, and citation (magazine article, computer analysis, new original analysis, etc.). I am especially interested in positions that have not been corrected in the latest edition.

On these links, I'll use Nunn's Convention as follows: ! signifies the only move to win or draw. ? signifies a move that changes a win to a draw or a draw to a loss. ?? signifies a move that changes a win to a loss.

Since restarting my site in 2018, I've made an effort to add more content in this section, generally posting a new position every Wednesday. The position numbers below refer to the Fine edition. The update, if any, in the Benko edition, is noted at the bottom of each page.

King and Pawn Endings

King and Two Pawns vs. King and Pawn

#39b
#41
#41c
#45
#45a

King and Three Pawns vs. King and Two Pawns

#55

King and Three Pawns vs. King and Three Pawns

#62a
#63
#64b

Endings with Four or More Pawns on Either Side

#69
#70
#72
#77
#79c
#86
#87
#88a
#89b
#93

Knight and Pawn Endings

The Knights Alone vs. Pawns

#105a
#111a

Knights and Pawns vs. Pawns

#116
#119b

One Knight and Pawns vs. One Knight and Pawns

#129
#136a

Bishop and Pawn Endings

Bishops vs. Pawns

#143
#144

King, Bishop, and Pawns vs. King with and without Pawns

#146
#154
#161
#162
#164a
#166
#168a
#168b
#168c

Bishop and Pawns vs. Bishop of the Same Color, with and without Pawns

#180a
#185b

Bishops of Opposite Colors

#198
#199
#202b
#203b
#215

Minor Piece Endings

Bishop vs. Knight

#217b
#220
#221
#222a
#223
#224d
#226
#226a
#226b
#231
#231c
#237e
#237f
#252

Two Pieces vs. One

#273
#274
#274b

Rook and Pawn Endings

Rook vs. Pawns

#293
#297c
#300a
#301
#302a

Rook and Pawn vs. Rook

#306
#309a
#314a
#321
#323
#324b

Rook and Two Pawns vs. Rook

#348
#349
#349a
#352
#352a
#353a

Rook and Two Pawns vs. Rook and Pawn

#356a
#356b
#358
#359
#359a
#360
#360a
#360b
#361
#362
#363
#365

Material Advantage (In General)

#368
#373
#376a
#377b
#377c
#385a
#386a
#396b
#397
#399
#400
#401b

Positional Advantage

#403a
#413c
#415a

Rooks and Minor Pieces

Rook vs. Two Minor Pieces

#453
#454a
#458

The Advantage of the Exchange

#486a
#486b
#487a
#488
#497
#516

Queen Endings

Queen and Pawn Endings

#563
#573
#576

Queen vs. Rooks and Pieces

#590

Queen vs. Rook (or Rooks)

#594
#599b

Queen vs. Minor Pieces

#605a

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