1807 implementation meta-issue

[ollybh]

1807 implementation notes and task list

Based on 18BF rules v.012.

Game setup

• [x] Starting capital £630/470/375.
• [x] Map.
• [x] Stock market.
• [x] Private company definitions.
• [x] Minor company definitions.
• [x] Public company definitions.
• [x] System definitions.
• [x] Train definitions.
• [x] Seven private railways in play, other three discarded.
• [x] Minor company opening order.

Phases

Phase 2

• [x] Yellow track only.
• [x] Train limit: 2 for minors.
• [x] Certificate limit 32/24/19.

Phase 3

• [x] Green track available.
• [x] Train limit: 2 for minors, 4 for majors.
• [x] Can buy in privates.
• [x] Merger rounds start.

Phase 4

• [x] 2Ts rust.
• [x] Train limit: 1 for minors, 3 for majors.
• [ ] Public companies can be started by buying presidency.
• [x] Export train at the end of OR set.

Phase 5

• [x] Brown track available.
• [x] Train limit: 1 for minors, 3 for majors.
• [x] Minor companies cannot be started.
• [ ] U1 available.

Phase 6

• [x] 3Ts rust.
• [x] Train limit: 1 for minors, 2 for majors, 4 for systems.
• [x] Systems can form.

Phase 7

• [x] Grey track available.
• [x] Train limit: 1 for minors, 2 for majors, 4 for systems.
• [ ] U2 available.

Phase 8

• [x] 4Ts rust.
• [x] Private railway companies close.
• [x] Train limit: 0 for minors, 2 for majors, 4 for systems.
• [ ] 5+5E and 2+2 trains available.
• [x] No more trains exported.
• [x] Systems can double jump.
• [ ] Certificate limit 21/16/13.

Stock rounds

• [ ] Must sell down if above certificate limit.
• [ ] On a turn you can sell shares, and then a buy a single share or start an auction.
• [ ] Ferries, undergrounds and minors are all auctioned.
• [ ] Pool limit is 50% of any company.
• [ ] 60% limit on major/system ownership.
• [ ] Cannot sell president's certificate.
• [ ] Share price moves left if the president sells shares, one space only.
• [ ] Can start public companies from phase 4, stock price £70–200. Home token goes to an unreserved and unconnected city (or just unreserved if nowhere is unconnected).
• [ ] Priority is the player to the left of the last person to take an action.
• [ ] No share price bump for fully sold.

Initial stock round

• [x] All seven private railway companies are auctioned in order.
• [x] If everyone passes then switch to a Dutch auction.
• [x] Minor/ferry auction after private railways have been bought.

Operating rounds

Operating round order

• [ ] Always two operating rounds in a set.
• [ ] Privates pay .
• [ ] Minors in stock price order.
• [ ] Majors in stock price order.
• [ ] Systems in stock price order.
• [ ] Train exported at the end of OR set (phases 4–7).

Operating round steps

• [ ] Redeem shares.
• [ ] Lay/upgrade track.
• [ ] Place token.
• [ ] Run trains.
• [ ] Distribute earnings.
• [ ] Pay loan interest.
• [ ] Redeem loans.
• [ ] Buy trains.
• [ ] Buy private, £1 to face value, from phase 3.

Track laying

• [ ] Two track lays, only one can be upgrade, most be different hexes, second costs £20.
• [ ] Systems get three track lays, still only one upgrade.
• [ ] Semi-restrictive upgrades.
• [ ] The extra tile lays from privates P2–P5 can only be used when the private is owned by a player, for any of their companies.

Tokening

• [ ] Token costs are £20 per hex from existing token.
• [ ] Cannot token a location if the company already has a token there (including all of London).

Routes

• [x] Towns may be skipped by all trains.
• [ ] Cities may be skipped by 5+5E.
• [ ] 2+2/3+3/4+4/5+5E double revenue.
• [x] Cannot run to London unless the route ends at the company's token.
• [ ] Trains cannot run London–London.
• [ ] Trains cannot run Ireland–Ireland.
• [ ] Player must choose which of the Irish red areas to assign Irish Sea ferry bonuses to.
• [ ] If a company owns more than one Irish Sea ferry then the bonuses must go to different areas.
• [ ] Private bonuses apply to all trains that run to the location, including G-trains.
• [ ] Bonus for running London–red area.
• [ ] Bonuses for crossing national borders.
• [ ] G-trains do not have a route, score cities plus mine bonus.

Dividends

• [x] Minors always split.
• [ ] Majors and systems may pay, split or withhold.
• [ ] Half-dividends are rounded up.
• [ ] System dividends are rounded down.
• [ ] Share price moves left on withhold or zero revenue.
• [ ] Share price moves right if dividend per share ≥ stock price.
• [ ] Systems double jump in phase 8 if dividend per share ≥ 2 × stock price.
• [ ] Company closes if share price moves into the 'closed' space.

Loans

• [ ] Loans are worth £50.
• [ ] Receive £45 when taking out a loan.
• [ ] Loan limits are: minors 2, majors 5, systems 10.
• [ ] Interest is £5 per loan, not paid a second time when taking out a loan.
• [ ] Must take a loan (if possible) to pay interest if the company does not have enough money.
• [ ] If still cannot pay interest then empty treasury and move one space left on the stock market.
• [ ] Must redeem as many loans as possible.

Emergency money raising

• [ ] If cannot afford a train then take loans. No contribution from president.
• [ ] May take loans to buy a more expensive train, even if a cheaper one could be bought.
• [ ] If cannot afford a train after taking all possible loans then no loans are taken, and share price moves one space left.
• [ ] Systems may upgrade trains.
• [ ] If a train is returned to the bank pool then it does not change in type (5/3G, etc).

Merger rounds

• [ ] Minors in stock price order, then majors in stock price order.

Minor conversion

• [ ] Minors can convert if their share price is £100–165.
• [ ] President can buy up to 60% of new company, others can buy a single share.

Minors merging

• [ ] Minors may merge if connected.
• [ ] 2–10 minors may merge (no more than 6 from a single player), one of them must be connected to all the others.
• [ ] Rickshaws in London only.
• [ ] Keep two station markers, not in the same city, apart from London.
• [ ] Can go over loan limit.
• [ ] All players owning the merging minors can buy up to 60% of new company, others can buy a single share.

Minor takeover

• [ ] Minors can be taken over if they have a route to the major, are co-located in the same city, or both in London.
• [ ] Swapped for treasury share, can go over 60% this way and don't need to sell down.
• [ ] Can go over loan limit.
• [ ] Major can take station marker, or can decline. Can't have two stations in the same city, apart from London.

System formation

• [ ] Two, three or four majors may merge to form a system. Must be connected and all directors must consent.
• [ ] Can go over loan limit.
• Two-way mergers:
  • [ ] 8 tokens.
  • [ ] New price is average of prices, rounded down to next available price.
  • [ ] Share are exchanged one-for-one.
• Three-way merger:
  • [ ] 12 tokens.
  • [ ] New price is sum of highest and lowest prices, rounded down and then moved three steps left.
  • Shares are exchanged three-for-two.
  • [ ] Exchange triples where possible.
  • [ ] In player order, starting with the director, trade up singles/pairs to a full share by paying the difference to the treasury. Round fractional prices normally.
  • [ ] Can only trade down and sell the partial share if the player cannot afford to trade up. Money for this share is paid from the system treasury, taking loans if necessary (no loan limit applies at this point).
• Four-way merger:
  • [ ] 12 tokens.
  • [ ] New price is sum of highest and lowest prices, rounded down to the next available price.
  • Shares are exchanged two-for-one.
  • [ ] Exchange pairs where possible.
  • [ ] Then, in player order, starting with the director, trade up to a full share by paying the difference to the treasury. Round fractional prices normally.
  • [ ] Can only trade down and sell the partial share if the player cannot afford to trade up. Money for this share is paid from the system treasury, taking loans if necessary (no loan limit applies at this point).
  • [ ] Discard tokens if there are more than 12 on the board. Can have tokens in the same city.

End of game

• [ ] Triggered by the purchase of the first 4+4/6G train.
• [ ] If bought in first OR of set, finish current OR set, stock round, two more ORs.
• [ ] If bought in second OR of set, finish current OR, stock round, three more ORs.
• [ ] Stock price is moved left one step for each loan.
• [ ] Privates are worth face value.

Miscellaneous

• [ ] Minors which close after hitting the left-hand side of the stock market cannot be restarted.
• [ ] Public companies and systems which close after hitting the left-hand side of the stock market are available to be restarted.
• [ ] Companies which close in mergers or are acquired cannot be restarted.

[ollybh]

CC @ianwilson156/@Dave4B – this is a list of things that need to be done to get 18BF working on 18xx.games. Could you please check this for me?

@ianwilson156 one questions for you: What happens with minors in phase 8 in the train buying step? Move one space left as they can't own a train?

[Dave4B]

In phase 2, Privates with track laying powers may be used by any Minor company with the same director.

Majors which hit the Closed box may be restarted (unlikely but legal); Minors may not. Systems???

[ianwilson156]

Minors in phase 8: yes, they would move a space left (never seen it happen, minors tend to disappear before that).

In EMR, there is no issuing of shares. In fact, there is no issuing of shares at any time (just redeeming).

In a 3-way system formation, you cannot have more than 12 tokens, so the discard rule is irrelevant.

In a 4-way system formation, you trade doubles first (not triples).

Note: when trading up/down in system formation, always round normally (i.e 1/2 and 2/3 up, 1/3 down)

Note: private bonuses apply to all trains that run to that place i.e including G-trains.

Note: ferries are available once the 7 railway privates have been bought.

[ianwilson156]

Further note: after system formation, the majors involved are not available to restart (like minors forming a major).

[ianwilson156]

Private track laying powers: can be used by any type of company in any phase, provided the owner/director of the company is the owner of the private. But the power cannot be used if the private is owned by a company.

Systems which close can be restarted (essentially impossible, the game would most likely end first).

[ollybh]

@ianwilson156 The rules for G-trains say "When running more than one G-train, different cities must be used". So if a company has multiple tokens in London and multiple goods trains then London can only be scored by one of them, right? This isn't how I remember playing before (I thought you could score one London token with each G-train), but I was probable doing it wrong. (And the same question will arise for systems with multiple tokens in any other city).

And a couple more questions about G-trains:

• Can you run a G-train as a 1G train, just scoring a single token and the mine bonus? The start of the section 10.6 says a route needs to include at least two revenue locations, but G-trains aren't running routes.
• Can you run a G-train as a 0G train, just scoring the mine bonus but no locations? This is for the highly likely situation where a system has formed with just two or three tokens and gone and bought four G-trains.

[ianwilson156]

• Even if you have two tokens in a city (e.g. London), you cannot run both G-trains there.
• Yes, you can run a G-train as a 1G
• No, you cannot run a G-train as a 0G (you have to carry the coal to somewhere!) I've never seen it relevant - generally speaking, a company should have at least as many cities tokened as G-trains, but I suppose we have to cover this corner case.

[ollybh]

Wiki page for 18BF here: https://github.com/tobymao/18xx/wiki/18BF-The-Big-Four.

[ianwilson156]

A couple of recent rule changes: a) If forced to trade down on system formation, the money comes from the system (not the Bank). If necessary, the system will take loans for this money (and has no loan limit). b) On a three-way merger, the new price is the sum of the highest and lowest, rounded down, and moved three spaces left (not four).

[ianwilson156]

Latest version of the rules is 0.19

[ianwilson156]

As part of the redrawing of the map for production, a few minor changes are needed: a) The impassable hexside NW of Ayr(F4) is removed. b) The impassable hexside NW of Mumbles(U5) is removed. c) The track in hex U9 is removed, and replaced with a off-map connection pointing towards Canterbury. d) The port symbols in B12 & C13 are removed.

[ollybh]

Link to version 0.19 of the rules.

[Dave4B]

Is there a new version of the map (1-panel and 9 panel) available?

---

From: Oliver Burnett-Hall @.> Sent: Monday, November 18, 2024 6:44 PM To: ollybh/18xx @.> Cc: Dave4B @.>; Mention @.> Subject: Re: [ollybh/18xx] 18BF implementation meta-issue (Issue #64)

Link to version 0.19https://docs.google.com/document/d/1drnd56qpE9ucHygfX88huUyITX2h4Ox6vGgNCVN9Ra8/edit?usp=sharing of the rules.

— Reply to this email directly, view it on GitHubhttps://github.com/ollybh/18xx/issues/64#issuecomment-2483841318, or unsubscribehttps://github.com/notifications/unsubscribe-auth/ASJ5LO2J3RTD6XO3OF3WEJT2BIYQJAVCNFSM6AAAAABR7PCQGKVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDIOBTHA2DCMZRHA. You are receiving this because you were mentioned.Message ID: @.***>

[ianwilson156]

No - the map changes are too trivial and won't affect play.