Oct. 1st, 2009

peristaltor: (Default)
Decades ago I dated a chess player, a very good chess player, one who trained with chess masters and knew first hand many of the names in competition at that time. One day in the smokey basement pub where chess players meet to play, she came back from a game downright pissed off.

She had lost. Now, she was very good, but people win and lose all the time. I asked her why she was so upset. Her explanation stumped me: "He played like a fish," she said.

Huh?

I had her describe what it meant to play "like a fish." She explained that fish make wild, unpredictable moves, that their play doesn't fit any recognizable pattern.

"But he won," I said. I suppose comments like this are one of the big reasons we haven't seen each other in almost 20 years; but I was honestly then trying to understand the difference between a truly great player who wins and a "fish" who wins. To me, they both win, so what's the difference? After all, if a master sat me down and schooled me in the ways of the board, I wouldn't know if I was undone by a lost Fibunacci Bishop or a Pawn's Gambit or the Flirty Queen. I would only know that I lost. Checkmate.

Out on a walk last night, I finally reasoned why the term "fish" might be used. Hook a fish and drag it out of the water, and it flops about madly on the deck or the dock without getting anywhere. A chess "fish," therefore, might be someone whose play seems erratic and pointless. They don't seem to be getting anywhere, or going anywhere. Ah, but the schooled opponent of the fish is judging the fish's moves on a learned pattern, the movement of one who walks on dry land.

Let's take this fish analogy a bit further and suppose that the fish player is actually playing by rules applicable in the water. Those spastic arches and flops across the board make no sense to us dry-landers; but put us in the drink and we shall see the fish's twitches move it across great distances with an admirable economy of effort. We walkers, on the other hand, slap and kick and flap about and barely get anywhere in the water. (I have a video of myself scuba diving in Hawaii, if anyone needs images of an amateur diver for comic relief.)

All this led me to reconsider a word upon which I've been stumbling quite a bit lately: Heuristics. )

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