Difference between revisions of "Bishop Pair"
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'''[[Main Page|Home]] * [[Evaluation]] * [[Evaluation of Pieces|of Pieces]] * Bishop Pair''' | '''[[Main Page|Home]] * [[Evaluation]] * [[Evaluation of Pieces|of Pieces]] * Bishop Pair''' | ||
| − | Since in the [[Initial Position|initial position]] [[Bishop|bishops]] stand on the [[Squares|squares]] of different [[Color|color]], throughout the game they control a disjoint sets of squares. This means that their power will never be wasted for carrying out the same tasks. On the other hand, lack of one bishop may introduce a [[color weakness]]. Taking all those considerations into account, one might conclude that possessing both bishops is a desirable thing. The question is, however, how much they are worth. | + | Since in the [[Initial Position|initial position]] [[Bishop|bishops]] stand on the [[Squares|squares]] of different [[Color|color]], throughout the game they control a disjoint sets of squares. This means that their power will never be wasted for carrying out the same tasks. On the other hand, lack of one bishop may introduce a [[Color Weakness|color weakness]]. Taking all those considerations into account, one might conclude that possessing both bishops is a desirable thing. The question is, however, how much they are worth. |
[[Larry Kaufman]] proposed the value of half a pawn <ref>[[Larry Kaufman]] ('''1999'''). ''[https://www.chess.com/article/view/the-evaluation-of-material-imbalances-by-im-larry-kaufman The Evaluation of Material Imbalances]''. (first published in [https://en.wikipedia.org/wiki/Chess_Life Chess Life] March 1999, online version edited by [[Dan Heisman]])</ref>. It must be stressed, however, that this number is a part of a broader system, in which knights are stronger with many pawns on the board. | [[Larry Kaufman]] proposed the value of half a pawn <ref>[[Larry Kaufman]] ('''1999'''). ''[https://www.chess.com/article/view/the-evaluation-of-material-imbalances-by-im-larry-kaufman The Evaluation of Material Imbalances]''. (first published in [https://en.wikipedia.org/wiki/Chess_Life Chess Life] March 1999, online version edited by [[Dan Heisman]])</ref>. It must be stressed, however, that this number is a part of a broader system, in which knights are stronger with many pawns on the board. | ||
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* [http://www.talkchess.com/forum/viewtopic.php?t=27616 Testing of Kaufman Material Values] by [[Mark Lefler]], [[CCC]], April 25, 2009 » [[Material]] | * [http://www.talkchess.com/forum/viewtopic.php?t=27616 Testing of Kaufman Material Values] by [[Mark Lefler]], [[CCC]], April 25, 2009 » [[Material]] | ||
* [http://www.talkchess.com/forum/viewtopic.php?t=27842 Rook Pair Penalty, Knight Pair Penalty, Having a Pawn Bonus] by [[Mark Lefler]], [[CCC]], May 11, 2009 | * [http://www.talkchess.com/forum/viewtopic.php?t=27842 Rook Pair Penalty, Knight Pair Penalty, Having a Pawn Bonus] by [[Mark Lefler]], [[CCC]], May 11, 2009 | ||
| + | * [http://blog.abrok.eu/bishop-vs-knight/ Bishop vs. Knight | abrok.eu] by [[Roman Korba]], September 1, 2019 | ||
| + | * [https://groups.google.com/d/msg/fishcooking/XzZX8CBgNtY/OJBqUYgXAQAJ A more generic Bishop evaluation] by apospa..., [[Computer Chess Forums|FishCooking]], May 25, 2020 | ||
=External Links= | =External Links= | ||
Revision as of 20:27, 27 June 2020
Home * Evaluation * of Pieces * Bishop Pair
Since in the initial position bishops stand on the squares of different color, throughout the game they control a disjoint sets of squares. This means that their power will never be wasted for carrying out the same tasks. On the other hand, lack of one bishop may introduce a color weakness. Taking all those considerations into account, one might conclude that possessing both bishops is a desirable thing. The question is, however, how much they are worth.
Larry Kaufman proposed the value of half a pawn [1]. It must be stressed, however, that this number is a part of a broader system, in which knights are stronger with many pawns on the board.
See also
Publications
- Gennady Timoshchenko (1993). Bishop or Knight? ICCA Journal, Vol. 16, No. 4
- Mark Sturman (1995). Beware The Bishop Pair. Computer Chess Reports, Vol. 5, No. 2, pp.58 [2]
- Mark Sturman (1996). Beware the Bishop Pair. ICCA Journal, Vol. 19, No. 2
- Larry Kaufman (1999). The Evaluation of Material Imbalances. (first published in Chess Life March 1999, online version edited by Dan Heisman)
Forum Posts
- Question about Crafty and Bishop Pair by Renze Steenhuisen, CCC, July 13, 2004 » Crafty
- Testing of Kaufman Material Values by Mark Lefler, CCC, April 25, 2009 » Material
- Rook Pair Penalty, Knight Pair Penalty, Having a Pawn Bonus by Mark Lefler, CCC, May 11, 2009
- Bishop vs. Knight | abrok.eu by Roman Korba, September 1, 2019
- A more generic Bishop evaluation by apospa..., FishCooking, May 25, 2020
External Links
References
- ↑ Larry Kaufman (1999). The Evaluation of Material Imbalances. (first published in Chess Life March 1999, online version edited by Dan Heisman)
- ↑ Looking for Mark Sturman by Mark Lefler, rec.games.chess, July 02, 1995
