Use this ICM calculator to convert tournament chip stacks into real-money equity based on payout structures, remaining players, and chip stacks. The Independent Chip Model (ICM) helps poker players make mathematically optimal decisions in high-pressure situations like the bubble and final table.
Calculate tournament equity instantly
Adjust for stack sizes and payout structure
Improve shove, call, and fold decisions
What is ICM in Poker?
The Independent Chip Model (ICM) is a mathematical model used in poker tournaments to estimate a player’s share of the prize pool based on their chip stack relative to other players.
Unlike cash games, tournament chips do not have a linear value. This means doubling your stack does not double your expected winnings. ICM accounts for this by factoring in payout structures and the probability of finishing in each position.
How This ICM Calculator Works
This calculator converts chip stacks into Expected Value (EV) by simulating how often each player finishes in each payout position.
To use it effectively, input:
Each player’s chip stack
The tournament payout structure
The calculator then outputs each player’s equity as a percentage of the total prize pool.
When Should You Use ICM?
ICM is most important in high-leverage tournament situations, including:
The bubble - when one player remains before payouts begin
Final tables - where payout jumps are significant
Short-handed play - where each decision has larger impact
In these spots, correct ICM decisions can dramatically increase your long-term tournament ROI.
ICM Strategy Tips
Understanding ICM leads to better strategic adjustments:
Play tighter when calling all-ins near the bubble
Apply pressure as a big stack against medium stacks
Avoid marginal spots when survival has significant value
Recognize payout jumps before making aggressive plays
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Current File : /opt/bitnami/apps/wordpress/wp-includes/class-wp-block-parser.php
<?php
/**
* Block Serialization Parser
*
* @package WordPress
*/
/**
* Class WP_Block_Parser
*
* Parses a document and constructs a list of parsed block objects
*
* @since 5.0.0
* @since 4.0.0 returns arrays not objects, all attributes are arrays
*/
class WP_Block_Parser {
/**
* Input document being parsed
*
* @example "Pre-text\n<!-- wp:paragraph -->This is inside a block!<!-- /wp:paragraph -->"
*
* @since 5.0.0
* @var string
*/
public $document;
/**
* Tracks parsing progress through document
*
* @since 5.0.0
* @var int
*/
public $offset;
/**
* List of parsed blocks
*
* @since 5.0.0
* @var array[]
*/
public $output;
/**
* Stack of partially-parsed structures in memory during parse
*
* @since 5.0.0
* @var WP_Block_Parser_Frame[]
*/
public $stack;
/**
* Parses a document and returns a list of block structures
*
* When encountering an invalid parse will return a best-effort
* parse. In contrast to the specification parser this does not
* return an error on invalid inputs.
*
* @since 5.0.0
*
* @param string $document Input document being parsed.
* @return array[]
*/
public function parse( $document ) {
$this->document = $document;
$this->offset = 0;
$this->output = array();
$this->stack = array();
while ( $this->proceed() ) {
continue;
}
return $this->output;
}
/**
* Processes the next token from the input document
* and returns whether to proceed eating more tokens
*
* This is the "next step" function that essentially
* takes a token as its input and decides what to do
* with that token before descending deeper into a
* nested block tree or continuing along the document
* or breaking out of a level of nesting.
*
* @internal
* @since 5.0.0
* @return bool
*/
public function proceed() {
$next_token = $this->next_token();
list( $token_type, $block_name, $attrs, $start_offset, $token_length ) = $next_token;
$stack_depth = count( $this->stack );
// we may have some HTML soup before the next block.
$leading_html_start = $start_offset > $this->offset ? $this->offset : null;
switch ( $token_type ) {
case 'no-more-tokens':
// if not in a block then flush output.
if ( 0 === $stack_depth ) {
$this->add_freeform();
return false;
}
/*
* Otherwise we have a problem
* This is an error
*
* we have options
* - treat it all as freeform text
* - assume an implicit closer (easiest when not nesting)
*/
// for the easy case we'll assume an implicit closer.
if ( 1 === $stack_depth ) {
$this->add_block_from_stack();
return false;
}
/*
* for the nested case where it's more difficult we'll
* have to assume that multiple closers are missing
* and so we'll collapse the whole stack piecewise
*/
while ( 0 < count( $this->stack ) ) {
$this->add_block_from_stack();
}
return false;
case 'void-block':
/*
* easy case is if we stumbled upon a void block
* in the top-level of the document
*/
if ( 0 === $stack_depth ) {
if ( isset( $leading_html_start ) ) {
$this->output[] = (array) $this->freeform(
substr(
$this->document,
$leading_html_start,
$start_offset - $leading_html_start
)
);
}
$this->output[] = (array) new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() );
$this->offset = $start_offset + $token_length;
return true;
}
// otherwise we found an inner block.
$this->add_inner_block(
new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
$start_offset,
$token_length
);
$this->offset = $start_offset + $token_length;
return true;
case 'block-opener':
// track all newly-opened blocks on the stack.
array_push(
$this->stack,
new WP_Block_Parser_Frame(
new WP_Block_Parser_Block( $block_name, $attrs, array(), '', array() ),
$start_offset,
$token_length,
$start_offset + $token_length,
$leading_html_start
)
);
$this->offset = $start_offset + $token_length;
return true;
case 'block-closer':
/*
* if we're missing an opener we're in trouble
* This is an error
*/
if ( 0 === $stack_depth ) {
/*
* we have options
* - assume an implicit opener
* - assume _this_ is the opener
* - give up and close out the document
*/
$this->add_freeform();
return false;
}
// if we're not nesting then this is easy - close the block.
if ( 1 === $stack_depth ) {
$this->add_block_from_stack( $start_offset );
$this->offset = $start_offset + $token_length;
return true;
}
/*
* otherwise we're nested and we have to close out the current
* block and add it as a new innerBlock to the parent
*/
$stack_top = array_pop( $this->stack );
$html = substr( $this->document, $stack_top->prev_offset, $start_offset - $stack_top->prev_offset );
$stack_top->block->innerHTML .= $html;
$stack_top->block->innerContent[] = $html;
$stack_top->prev_offset = $start_offset + $token_length;
$this->add_inner_block(
$stack_top->block,
$stack_top->token_start,
$stack_top->token_length,
$start_offset + $token_length
);
$this->offset = $start_offset + $token_length;
return true;
default:
// This is an error.
$this->add_freeform();
return false;
}
}
/**
* Scans the document from where we last left off
* and finds the next valid token to parse if it exists
*
* Returns the type of the find: kind of find, block information, attributes
*
* @internal
* @since 5.0.0
* @since 4.6.1 fixed a bug in attribute parsing which caused catastrophic backtracking on invalid block comments
* @return array
*/
public function next_token() {
$matches = null;
/*
* aye the magic
* we're using a single RegExp to tokenize the block comment delimiters
* we're also using a trick here because the only difference between a
* block opener and a block closer is the leading `/` before `wp:` (and
* a closer has no attributes). we can trap them both and process the
* match back in PHP to see which one it was.
*/
$has_match = preg_match(
'/<!--\s+(?P<closer>\/)?wp:(?P<namespace>[a-z][a-z0-9_-]*\/)?(?P<name>[a-z][a-z0-9_-]*)\s+(?P<attrs>{(?:(?:[^}]+|}+(?=})|(?!}\s+\/?-->).)*+)?}\s+)?(?P<void>\/)?-->/s',
$this->document,
$matches,
PREG_OFFSET_CAPTURE,
$this->offset
);
// if we get here we probably have catastrophic backtracking or out-of-memory in the PCRE.
if ( false === $has_match ) {
return array( 'no-more-tokens', null, null, null, null );
}
// we have no more tokens.
if ( 0 === $has_match ) {
return array( 'no-more-tokens', null, null, null, null );
}
list( $match, $started_at ) = $matches[0];
$length = strlen( $match );
$is_closer = isset( $matches['closer'] ) && -1 !== $matches['closer'][1];
$is_void = isset( $matches['void'] ) && -1 !== $matches['void'][1];
$namespace = $matches['namespace'];
$namespace = ( isset( $namespace ) && -1 !== $namespace[1] ) ? $namespace[0] : 'core/';
$name = $namespace . $matches['name'][0];
$has_attrs = isset( $matches['attrs'] ) && -1 !== $matches['attrs'][1];
/*
* Fun fact! It's not trivial in PHP to create "an empty associative array" since all arrays
* are associative arrays. If we use `array()` we get a JSON `[]`
*/
$attrs = $has_attrs
? json_decode( $matches['attrs'][0], /* as-associative */ true )
: array();
/*
* This state isn't allowed
* This is an error
*/
if ( $is_closer && ( $is_void || $has_attrs ) ) {
// we can ignore them since they don't hurt anything.
}
if ( $is_void ) {
return array( 'void-block', $name, $attrs, $started_at, $length );
}
if ( $is_closer ) {
return array( 'block-closer', $name, null, $started_at, $length );
}
return array( 'block-opener', $name, $attrs, $started_at, $length );
}
/**
* Returns a new block object for freeform HTML
*
* @internal
* @since 5.0.0
*
* @param string $inner_html HTML content of block.
* @return WP_Block_Parser_Block freeform block object.
*/
public function freeform( $inner_html ) {
return new WP_Block_Parser_Block( null, array(), array(), $inner_html, array( $inner_html ) );
}
/**
* Pushes a length of text from the input document
* to the output list as a freeform block.
*
* @internal
* @since 5.0.0
* @param null $length how many bytes of document text to output.
*/
public function add_freeform( $length = null ) {
$length = $length ? $length : strlen( $this->document ) - $this->offset;
if ( 0 === $length ) {
return;
}
$this->output[] = (array) $this->freeform( substr( $this->document, $this->offset, $length ) );
}
/**
* Given a block structure from memory pushes
* a new block to the output list.
*
* @internal
* @since 5.0.0
* @param WP_Block_Parser_Block $block The block to add to the output.
* @param int $token_start Byte offset into the document where the first token for the block starts.
* @param int $token_length Byte length of entire block from start of opening token to end of closing token.
* @param int|null $last_offset Last byte offset into document if continuing form earlier output.
*/
public function add_inner_block( WP_Block_Parser_Block $block, $token_start, $token_length, $last_offset = null ) {
$parent = $this->stack[ count( $this->stack ) - 1 ];
$parent->block->innerBlocks[] = (array) $block;
$html = substr( $this->document, $parent->prev_offset, $token_start - $parent->prev_offset );
if ( ! empty( $html ) ) {
$parent->block->innerHTML .= $html;
$parent->block->innerContent[] = $html;
}
$parent->block->innerContent[] = null;
$parent->prev_offset = $last_offset ? $last_offset : $token_start + $token_length;
}
/**
* Pushes the top block from the parsing stack to the output list.
*
* @internal
* @since 5.0.0
* @param int|null $end_offset byte offset into document for where we should stop sending text output as HTML.
*/
public function add_block_from_stack( $end_offset = null ) {
$stack_top = array_pop( $this->stack );
$prev_offset = $stack_top->prev_offset;
$html = isset( $end_offset )
? substr( $this->document, $prev_offset, $end_offset - $prev_offset )
: substr( $this->document, $prev_offset );
if ( ! empty( $html ) ) {
$stack_top->block->innerHTML .= $html;
$stack_top->block->innerContent[] = $html;
}
if ( isset( $stack_top->leading_html_start ) ) {
$this->output[] = (array) $this->freeform(
substr(
$this->document,
$stack_top->leading_html_start,
$stack_top->token_start - $stack_top->leading_html_start
)
);
}
$this->output[] = (array) $stack_top->block;
}
}
/**
* WP_Block_Parser_Block class.
*
* Required for backward compatibility in WordPress Core.
*/
require_once __DIR__ . '/class-wp-block-parser-block.php';
/**
* WP_Block_Parser_Frame class.
*
* Required for backward compatibility in WordPress Core.
*/
require_once __DIR__ . '/class-wp-block-parser-frame.php';
