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Difference between revisions of "How Collins differs"

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This page describes '''how [[Collins]] differs''' from [[OTCWL]] as a playing
+
This page describes '''how Collins differs''' from [[NASPA_Word_List|NWL]] as a playing lexicon, and is part of our introduction to [[SOWPODS|Collins (SOWPODS) in North America]]. For brevity, we will refer to the North American and International lexica, NWL2020 and CSW21, as NWL and CSW respectively.
lexicon, and is part of our introduction to
 
[[SOWPODS|Collins (SOWPODS) in North America]].
 
  
== How Collins differs ==
+
== Fundamentals ==
  
Fundamentally, it isn’t: it’s still the same game, as
+
Fundamentally, the game does not change. It is still the same Scrabble experience, as enjoyed by many worldwide. The overall game, and the basic strategy, such as finding a good score plus rack leave, are not changed by moving from NWL to CSW. In other words, it will still feel like the same game, just one with more words. If one were handing out a sheet of tips for new players, the same sheet could be handed out for CSW as it has been for NWL. There is a far greater difference between the kitchen table and the club than there is between the two lexica.
enjoyed by many worldwide. The overall game, and the basic strategy,
 
such as finding a good score plus rack leave, are not changed by
 
moving from TWL to CSW. In other words, it will still feel like the
 
same game, just one with more words. If one were handing out a sheet
 
of tips for newbies, basically the same sheet could be handed out
 
for CSW as it has been for TWL. There is a 'far' greater difference
 
between the kitchen table and the club than there is between the
 
two lexica!
 
  
So the differences are not in the fundamentals, but in the details.
+
So the differences are not in the fundamentals, but in the details. The extra words are the most noticeable, and because there are so many of them, you will use them, particularly the short ones.
Obviously, the extra words are the most noticeable, and because
 
there are so many of them, you will use them, particularly the short
 
ones. After the words, the next biggest difference is the challenge
 
rule: CSW games are generally not played to double-challenge, but
 
with a points penalty. This is not intrinsic to the lexicon (the
 
international [[WESPA]] rules do, in fact, allow double challenge, if
 
desired), but has emerged as the de facto standard between no penalty
 
at all (as played in Britain), and loss of a turn. In looking at
 
the differences in more detail below, I thus start with the challenge
 
rule. The words are described in [[Learning Collins]].
 
  
==Challenge Rule==
+
== Challenge rule ==
  
The challenge [[Rules|rule]] is as follows:
+
After the words, the next biggest difference is the challenge rule: CSW games are generally not played to double-challenge, but with a points penalty. This is not intrinsic to the lexicon (the international [[WESPA]] rules do in fact allow double challenge, if desired), but has emerged as the de facto standard between no penalty at all, as played in Britain, and loss of a turn. In looking at the differences in more detail, we thus start with the challenge rule. The words are described in [[Important Collins words]].
  
  If your opponent makes a play, you challenge, and their
+
The altered challenge [[Rules|rule]] compared to the North American double-challenge rule is as follows:
  play is good, instead of losing your turn, as in North
 
  America, instead the opponent gains points.  Typically,
 
  this is 5 or 10 points per word challenged.  So after you
 
  have made an unsuccessful challenge, it is still your
 
  turn.  The determination of move acceptability is done the
 
  usual way: the play is ruled either acceptable or not,
 
  regardless of the number of words challenged, and which
 
  individual words are good or bad is not revealed.
 
  Likewise, if you challenge correctly, the rule is the same:
 
  the phony play is removed and the opponent loses their
 
  turn.
 
  
So if you, say, challenge two words, the play is ruled acceptable,
+
* If your opponent makes a play, you challenge, and their play is good, instead of losing your turn, the opponent gains points
and the penalty is the 10-point described above, the opponent gets
+
* Typically, this is 5 or 10 points per word challenged
an extra 20 points, but it is still your turn.
+
* After you have made an unsuccessful challenge, it is still your turn
 +
* If you challenge correctly, the rule is the same as North America: the opponent loses their turn and their incorrect play is removed from the board
 +
* The determination of move acceptability is done in the usual way: the play is ruled either acceptable or not, regardless of the number of words challenged. Which individual words are good or bad is not revealed
  
Note, however, that there is a subtlety! Like double-challenge, the
+
<br>So if you, say, challenge two words, the play is ruled acceptable, and the penalty is 10 points per word, the opponent gets an extra 20 points, but it is still your turn.
rule stil applies on the final move. But, unlike double-challenge,
 
the penalty still has an effect. So the free challenge when the
 
opponent plays out is lost. The opponent can still gain the penalty
 
if you challenge incorrectly, which something to keep in mind if
 
it is a close game.
 
  
==More Choices==
+
Note, however, that there is a subtlety. Like North American double-challenge, the rule still applies on the final move. But, unlike double-challenge, the penalty still has an effect (you cannot lose a turn if the opponent has played out because there are no more turns). So the free challenge when the opponent plays out is lost. The opponent can, therefore, still gain the penalty of 5, 10, etc., points if you challenge incorrectly, which something to keep in mind if it is a close game.
  
Generally, there will be more choices for each play. The increased
+
It is not yet clear whether North American CSW games will ultimately end up as penalty rather than double challenge, but the current norm is a 5 or 10 point penalty.
number of 2-3 letter words and hooks means there are often more
 
possibilities to make overlapping plays, or play a bingo. While
 
increased hooks can make it harder to block the board, increased
 
overlaps can make it easier to play without creating openings: while
 
a high scoring open game can thus be played, this style of play is
 
not forced upon the player.
 
  
Some of the most significant sources of extra choices are:
+
It is also worth noting that with online play another form of challenge rule has become more popular: void challenge. In this form, the user is not allowed by the software to play an invalid word, and can check the validity of words before they make their play. This form of challenge rule is unaffected by which lexicon is used.
  
;The 2s: the 23 extra two letter words: CH, DA, DI, EA, EE, FY, GI, GU, IO, JA, KO, KY, NY, OB, OO, OU, PO, ST, TE, UG, UR, YU, ZO. Note that the C thus now has a 2, CH, but there are still no 2s with a V.
+
== More choices of plays ==
;High-scorers: JA and ZO, and more threes, such as EXO, JAI, ZEA, and WEX, mean there is more potential for a 50- or 60-point J, Q, X or Z play. While sometimes your opponent might get these, because there are more of them, it is more likely to even out: your opponent may get one, then you get one too.
 
;Vowel dumps: Short words with numerous vowels have a greater variety, including such things as EUOI, AIA, AUA, and AUE.
 
;Bingos: There will be a playable bingo more often. Some high probablity sets of letters that make no words in TWL now make a playable word, such as ETAERIO, OTARINE, EROTISE, AIERIES, ORIGANE. Of course, many combinations, such as ADEILNR or ADEILNT, still make no words.
 
;Comparatives and superlatives: CSW is more generous in allowing -er -est or -ier -iest, e.g., FOU, FIE, FAVE, GEY, QUARE, or OORIE.
 
;Gerunds: More -INGS words are good. Some of the perhaps suprising omissions from TWL, such as HEALINGS, are good in CSW. But care is still required: some surprising examples, such as COSTINGS*, are still phony.
 
  
For more on the words, see [[Learning Collins]].
+
Generally, there will be more choices for each play in CSW. The increased number of 2-3 letter words and hooks means there are often more possibilities to make overlapping plays, or play a bingo. While in some situations increased hooks can make it harder to block the board, in other situations increased overlaps can make it easier to play without creating openings: while a high scoring open game can thus be played, this style of play is not forced upon the player, because board areas with a dense covering of words with few openings can be created.
  
==Fewer exchanges==
+
A consequence of the extra choice of moves is that there may be less time to think about each individual play than in NWL, which could be said to place a higher premium on play finding than on the strategic merits of individual moves versus each other. However, the number of possible plays and scope for strategic thought about each one vastly outweighs what can actually be achieved by any human player in a real game situation in either lexicon. So the perceived balance between the two things ultimately comes down to personal preference.
  
For the same reason that there are more choices, it is also usually
+
Some of the most significant sources of extra word choices are:
more feasible to be able to make a play rather than be forced to
 
exchange. The increased number of twos and short words such as the
 
vowel dumps above often mean that there is something, even if only
 
a score such as 10&ndash;20 points, that can be played that is better
 
than exchanging. This is because the play uses the same or similar
 
tiles to what would have been exchanged.
 
  
==Can catch up from behind==
+
;'''Two letter words'''
 +
: There are 20 extra two letter words in CSW21: CH, DI, EA, EE, FY, GU, IO, JA, KO, KY, NY, OB, OO, OU, ST, UG, UR, YU, ZE, and ZO. Note that the letter C therefore now has a two letter word, CH, but there are still no two letter words containing a V.
 +
;'''High-scorers'''
 +
: JA, ZE, ZO, and more threes, such as JAI, QIN, EXO, and ZEA, mean there is more potential for a 50- or 60-point J, Q, X or Z play. While sometimes your opponent might get these, in a game it is more likely to even out because they occur more often: your opponent may get one, then you get one too.
 +
;'''Vowel dumps'''
 +
: Short words with numerous vowels have a greater variety, including such examples as AIA, AUA, AUE, and EUOI.
 +
;'''Bingos'''
 +
: There will be a playable bingo more often. Some high probability sets of letters that make no words in TWL now make a playable word, such as OTARINE, ETAERIO, ROASTIE, and ORIGANE. Of course, many combinations, such as ADEILNR or ADEILNT, still make no words.
 +
;'''Plurals'''
 +
: CSW contains both more words and more meanings, so some words in NWL that do not take an S now do, e.g., ATS, OIS, AVAS, FEWS.
 +
;'''Comparatives and superlatives'''
 +
: CSW is more generous in allowing -er -est or -ier -iest inflections, e.g., FAVE, FIE, FOU, GEY, OORIE, or QUARE make FAVER, OORIEST, etc. Some of these are now-allowed comparatives/superlatives, others are from added meanings.
 +
;'''Gerunds'''
 +
: A particularly large addition is that more -INGS words are good. Some of the perhaps surprising omissions from NWL, such as GRADINGS, are good in CSW.
 +
;'''Other inflections'''
 +
: Other extra inflections follow similarly, e.g., some TWL words that are adjectives or nouns in NWL become nouns or verbs in CSW.
  
In a TWL game, if a player bingos quickly early in the game, their
+
<br>For more on the words, see [[Important Collins words]].
strategy is often simply to close down the board and make it difficult
 
for the opponent to catch up. While the same principle applies to
 
CSW, because there are more words, it is often possible to create
 
more chances to catch up again, through the increased numbers of
 
possibilities for creating hooks, and the extra 2-letter words
 
making it more likely that a bingo lane is available. Thus, the
 
game is rarely &ldquo;won&rdquo; after a few moves.
 
  
A converse to this is that sometimes the opponent can run away to
+
== Fewer exchanges ==
a big score, and you are powerless to stop them. Those who have
 
played CSW on the computer can attest to this!
 
  
==Higher game score==
+
For the same reason that there are more choices, it is also usually more feasible to be able to make a play rather than be forced to exchange. The increased number of two letter words and other short words such as vowel dumps often mean that there is a play that is better than exchanging, even if it only scores 10&ndash;20 points. Often this is because the play uses the same or similar tiles to what would have been exchanged.
  
Game scores are higher. Although, not by as much as one might expect.
+
== Can catch up from behind ==
A top-level player, or the computer, will average about 425 points
 
a game in TWL against an equally matched opponent. In CSW, they
 
will average about 450. This is not much more than a 5% difference,
 
or about 2 points more per move. Obviously against lower rated
 
opposition, or on a good day, scores can be higher.
 
  
==Harder to play phoneys==
+
In an NWL game, if a player bingos a couple of times quickly early in the game, their strategy is often simply to close down the board and make it difficult for the opponent to catch up. While the same block-when-ahead principle applies to CSW, because there are more words, it is often possible to create more chances to catch up again, through the increased numbers of possibilities for creating hooks, and the extra 2-letter words making it more likely that a bingo lane is available. Thus, the game is rarely &ldquo;won&rdquo; after just a few moves.
  
The challenge rule, described at the start of this page, generally
+
A converse to this is that sometimes the opponent can run away to a big score with many bingos, and you are powerless to stop them. Those who have played CSW against a top level computer player can attest to this!
means that it is harder to play and get away with phoneys. In
 
particular, an expert player cannot just put down anything against
 
a novice, because the novice can still challenge! Thus, for a new
 
CSW player facing an expert, the experience may not be quite as
 
intimidating as under double challenge. However, experience shows
 
that the rule is by no means trivial: many phonies can and do still
 
get played, and the point penalty can alter the game outcome. The
 
purpose of the penalty is to retain the stop-and-think aspect of
 
the double challenge, but to keep more onus on the player making
 
the move to play valid words!
 
  
==Overall==
+
== Higher game score ==
  
While playing CSW is not identical to playing TWL, the game as known
+
Game scores are higher, although not by as much as one might expect. A top-level player, or the computer, will average about 425 points a game in NWL against an equally matched opponent. In CSW, they will average about 450. This is approximately a 6% difference, or about 2 points more per move. Of course, in games with unequal opposition, scores can be lower or higher in either lexicon.
and loved by thousands of tournament players across North America
+
 
is not fundamentally changed by playing CSW.
+
== Harder to play invalid words ==
 +
 
 +
The challenge rule, described at the start of this page, generally means that it is harder to play and get away with invalid words (phoneys). In particular, an expert player cannot just put down anything against a novice, because the novice can still challenge without risking the loss of their turn. Therefore, for a new CSW player facing an expert, this &ldquo;bluffing&rdquo; aspect is not as intimidating as under double challenge. However, experience shows that the non-double-challenge rule is by no means trivial: many phoneys can and do still get played, and point penalties from lost challenges can alter the game outcome. The purpose of the penalty is to retain the stop-and-think aspect of the double challenge, but to keep the onus on the player making the move to play valid words, because if you play a phoney and it is challenged, you do still lose your turn.
 +
 
 +
(In fact, even with free challenge, as in Britain, there is still the potential penalty of loss of one's own confidence for challenging valid words, especially if done several times in a game.)
 +
 
 +
== Balance between defense and offense is shifted ==
 +
 
 +
There is a prevailing opinion that CSW encourages a more offensive rather than defensive playing style, favoring word finding rather than considering the strategic merits of different moves. This is because it generally seems easier to just keep scoring, with less regard for board position, or what the opponent does. However, it is not clear exactly to what extent this is really the case, compared to simply playing the same open style in NWL for the majority of the game. Given the prevailing opinion, it seems likely to have some truth to it, but little empirical or quantitative evidence has been presented. Both CSW and NWL provide rich strategical possibilities, far more than anyone can analyze completely during the course of a game, for a variety of playing styles.
 +
 
 +
== Overall ==
 +
 
 +
While playing CSW is not identical to playing NWL, the game as known and loved by thousands of tournament players across North America is not fundamentally changed by playing CSW.
  
 
Please direct comments about this page to its author, [[Nick Ball]].
 
Please direct comments about this page to its author, [[Nick Ball]].

Latest revision as of 20:08, 2 February 2022

This page describes how Collins differs from NWL as a playing lexicon, and is part of our introduction to Collins (SOWPODS) in North America. For brevity, we will refer to the North American and International lexica, NWL2020 and CSW21, as NWL and CSW respectively.

Fundamentals

Fundamentally, the game does not change. It is still the same Scrabble experience, as enjoyed by many worldwide. The overall game, and the basic strategy, such as finding a good score plus rack leave, are not changed by moving from NWL to CSW. In other words, it will still feel like the same game, just one with more words. If one were handing out a sheet of tips for new players, the same sheet could be handed out for CSW as it has been for NWL. There is a far greater difference between the kitchen table and the club than there is between the two lexica.

So the differences are not in the fundamentals, but in the details. The extra words are the most noticeable, and because there are so many of them, you will use them, particularly the short ones.

Challenge rule

After the words, the next biggest difference is the challenge rule: CSW games are generally not played to double-challenge, but with a points penalty. This is not intrinsic to the lexicon (the international WESPA rules do in fact allow double challenge, if desired), but has emerged as the de facto standard between no penalty at all, as played in Britain, and loss of a turn. In looking at the differences in more detail, we thus start with the challenge rule. The words are described in Important Collins words.

The altered challenge rule compared to the North American double-challenge rule is as follows:

  • If your opponent makes a play, you challenge, and their play is good, instead of losing your turn, the opponent gains points
  • Typically, this is 5 or 10 points per word challenged
  • After you have made an unsuccessful challenge, it is still your turn
  • If you challenge correctly, the rule is the same as North America: the opponent loses their turn and their incorrect play is removed from the board
  • The determination of move acceptability is done in the usual way: the play is ruled either acceptable or not, regardless of the number of words challenged. Which individual words are good or bad is not revealed


So if you, say, challenge two words, the play is ruled acceptable, and the penalty is 10 points per word, the opponent gets an extra 20 points, but it is still your turn.

Note, however, that there is a subtlety. Like North American double-challenge, the rule still applies on the final move. But, unlike double-challenge, the penalty still has an effect (you cannot lose a turn if the opponent has played out because there are no more turns). So the free challenge when the opponent plays out is lost. The opponent can, therefore, still gain the penalty of 5, 10, etc., points if you challenge incorrectly, which something to keep in mind if it is a close game.

It is not yet clear whether North American CSW games will ultimately end up as penalty rather than double challenge, but the current norm is a 5 or 10 point penalty.

It is also worth noting that with online play another form of challenge rule has become more popular: void challenge. In this form, the user is not allowed by the software to play an invalid word, and can check the validity of words before they make their play. This form of challenge rule is unaffected by which lexicon is used.

More choices of plays

Generally, there will be more choices for each play in CSW. The increased number of 2-3 letter words and hooks means there are often more possibilities to make overlapping plays, or play a bingo. While in some situations increased hooks can make it harder to block the board, in other situations increased overlaps can make it easier to play without creating openings: while a high scoring open game can thus be played, this style of play is not forced upon the player, because board areas with a dense covering of words with few openings can be created.

A consequence of the extra choice of moves is that there may be less time to think about each individual play than in NWL, which could be said to place a higher premium on play finding than on the strategic merits of individual moves versus each other. However, the number of possible plays and scope for strategic thought about each one vastly outweighs what can actually be achieved by any human player in a real game situation in either lexicon. So the perceived balance between the two things ultimately comes down to personal preference.

Some of the most significant sources of extra word choices are:

Two letter words
There are 20 extra two letter words in CSW21: CH, DI, EA, EE, FY, GU, IO, JA, KO, KY, NY, OB, OO, OU, ST, UG, UR, YU, ZE, and ZO. Note that the letter C therefore now has a two letter word, CH, but there are still no two letter words containing a V.
High-scorers
JA, ZE, ZO, and more threes, such as JAI, QIN, EXO, and ZEA, mean there is more potential for a 50- or 60-point J, Q, X or Z play. While sometimes your opponent might get these, in a game it is more likely to even out because they occur more often: your opponent may get one, then you get one too.
Vowel dumps
Short words with numerous vowels have a greater variety, including such examples as AIA, AUA, AUE, and EUOI.
Bingos
There will be a playable bingo more often. Some high probability sets of letters that make no words in TWL now make a playable word, such as OTARINE, ETAERIO, ROASTIE, and ORIGANE. Of course, many combinations, such as ADEILNR or ADEILNT, still make no words.
Plurals
CSW contains both more words and more meanings, so some words in NWL that do not take an S now do, e.g., ATS, OIS, AVAS, FEWS.
Comparatives and superlatives
CSW is more generous in allowing -er -est or -ier -iest inflections, e.g., FAVE, FIE, FOU, GEY, OORIE, or QUARE make FAVER, OORIEST, etc. Some of these are now-allowed comparatives/superlatives, others are from added meanings.
Gerunds
A particularly large addition is that more -INGS words are good. Some of the perhaps surprising omissions from NWL, such as GRADINGS, are good in CSW.
Other inflections
Other extra inflections follow similarly, e.g., some TWL words that are adjectives or nouns in NWL become nouns or verbs in CSW.


For more on the words, see Important Collins words.

Fewer exchanges

For the same reason that there are more choices, it is also usually more feasible to be able to make a play rather than be forced to exchange. The increased number of two letter words and other short words such as vowel dumps often mean that there is a play that is better than exchanging, even if it only scores 10–20 points. Often this is because the play uses the same or similar tiles to what would have been exchanged.

Can catch up from behind

In an NWL game, if a player bingos a couple of times quickly early in the game, their strategy is often simply to close down the board and make it difficult for the opponent to catch up. While the same block-when-ahead principle applies to CSW, because there are more words, it is often possible to create more chances to catch up again, through the increased numbers of possibilities for creating hooks, and the extra 2-letter words making it more likely that a bingo lane is available. Thus, the game is rarely “won” after just a few moves.

A converse to this is that sometimes the opponent can run away to a big score with many bingos, and you are powerless to stop them. Those who have played CSW against a top level computer player can attest to this!

Higher game score

Game scores are higher, although not by as much as one might expect. A top-level player, or the computer, will average about 425 points a game in NWL against an equally matched opponent. In CSW, they will average about 450. This is approximately a 6% difference, or about 2 points more per move. Of course, in games with unequal opposition, scores can be lower or higher in either lexicon.

Harder to play invalid words

The challenge rule, described at the start of this page, generally means that it is harder to play and get away with invalid words (phoneys). In particular, an expert player cannot just put down anything against a novice, because the novice can still challenge without risking the loss of their turn. Therefore, for a new CSW player facing an expert, this “bluffing” aspect is not as intimidating as under double challenge. However, experience shows that the non-double-challenge rule is by no means trivial: many phoneys can and do still get played, and point penalties from lost challenges can alter the game outcome. The purpose of the penalty is to retain the stop-and-think aspect of the double challenge, but to keep the onus on the player making the move to play valid words, because if you play a phoney and it is challenged, you do still lose your turn.

(In fact, even with free challenge, as in Britain, there is still the potential penalty of loss of one's own confidence for challenging valid words, especially if done several times in a game.)

Balance between defense and offense is shifted

There is a prevailing opinion that CSW encourages a more offensive rather than defensive playing style, favoring word finding rather than considering the strategic merits of different moves. This is because it generally seems easier to just keep scoring, with less regard for board position, or what the opponent does. However, it is not clear exactly to what extent this is really the case, compared to simply playing the same open style in NWL for the majority of the game. Given the prevailing opinion, it seems likely to have some truth to it, but little empirical or quantitative evidence has been presented. Both CSW and NWL provide rich strategical possibilities, far more than anyone can analyze completely during the course of a game, for a variety of playing styles.

Overall

While playing CSW is not identical to playing NWL, the game as known and loved by thousands of tournament players across North America is not fundamentally changed by playing CSW.

Please direct comments about this page to its author, Nick Ball.